CN208582554U - Intervention apparatus conveying device - Google Patents
Intervention apparatus conveying device Download PDFInfo
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- CN208582554U CN208582554U CN201721458201.1U CN201721458201U CN208582554U CN 208582554 U CN208582554 U CN 208582554U CN 201721458201 U CN201721458201 U CN 201721458201U CN 208582554 U CN208582554 U CN 208582554U
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- intervention apparatus
- fixing head
- constraint set
- conveying device
- constraint
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- 241000463219 Epitheca Species 0.000 claims abstract description 55
- 230000007704 transition Effects 0.000 claims description 4
- 210000003709 heart valve Anatomy 0.000 description 13
- 238000004064 recycling Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000003902 lesion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000002775 capsule Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007913 intrathecal administration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 210000000398 surgical flap Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a kind of intervention apparatus conveying device, including core-pipe subassembly, the distal end of core-pipe subassembly is equipped with the loading section for loading intervention apparatus, loads the proximal end of section equipped with the fixing head for fixing the proximal end of intervention apparatus；The epitheca of tubulose is slidably covered in the outside of core-pipe subassembly, and the distal end of epitheca is the accommodating area for accommodating fixing head and intervention apparatus；Handle is controlled, withdraws and moves ahead with respect to core-pipe subassembly for controlling epitheca；The constraint set in fixing head is covered, constraint set is for being strapped in fixing head for intervention apparatus, and constraint is put on equipped with conduit, and conduit covers the relatively described fixing head for control constraint and withdraws and move ahead, to discharge and tighten intervention apparatus.Above-mentioned intervention apparatus conveying dress in fixing head by being socketed the constraint set for fettering intervention apparatus, it is ensured that provides enough binding forces to intervention apparatus in radial direction.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of intervention apparatus conveying device.
Background technique
Interventional therapy is a kind of by intervention apparatus conveying device that intervention apparatus is defeated (such as prosthetic heart valve holder)
It send to human lesion position, then recalls again, intervention apparatus is made to rest on human lesion position, substitute the human organ of lesion
Treatment method.It needs to cut human lesion position by surgical operation relative to tradition, then replaces the treatment of intervention apparatus
For mode, the pain of patient can be substantially reduced.
Existing intervention apparatus conveying device generally includes epitheca and positioned at outer intrathecal core-pipe subassembly, and core-pipe subassembly is used for
Intervention apparatus is installed, the distal end of epitheca is capsule, and after intervention apparatus is mounted on core-pipe subassembly, intervention apparatus is housed in capsule
In.In order to fix intervention apparatus, fixing head is usually set on core-pipe subassembly, the close end of intervention apparatus is fixed on fixing head
On.Or intervention apparatus is banded on core-pipe subassembly by rope.When intervention apparatus fixed using fixing head, usually solid
Determine that groove or convex block are arranged on head, the fixed ear of intervention apparatus proximal end is stuck in groove or is hung on convex block.
The proximal end of epitheca is connect with control handle, and control handle can drive epitheca to withdraw and move ahead with respect to core-pipe subassembly,
To realize release and withdrawal to the intervention apparatus being accommodated in capsule.
Specifically, intervention apparatus conveying device is after being delivered to lesion locations for intervention apparatus, by operating control handle,
Epitheca is gradually withdrawn, intervention apparatus is exposed, intervention apparatus is met blood and gradually expanded, discharges, and final intervention apparatus is detached from core pipe group
Fixing head on part completes final release.
As it can be seen that intervention apparatus is also gradually reduced therewith by capsulated package section when withdrawing epitheca, thus intervene
The radial binding force of instrument gradually decreases, and binding force not enough will cause following problems:
1, when intervention apparatus discharges, intervention apparatus generates a huge forward power since itself is expanded, due to intervention
Instrument radial direction binding force is inadequate, so that intervention apparatus is rapidly separated the fixing head in core-pipe subassembly, at this moment if patient's discovery is released
Put malposition, then it is late, it can not recycle intervention apparatus.Patient is (high according to the difference of releasing position at this time
In or be lower than the primary annulus of human body), assessment further expands intervention apparatus using sacculus, move downward it, alternatively, by
An intervention apparatus is discharged on the basis of the intervention apparatus of existing release again, or by surgical operation, takes out intervention apparatus, weight
New placement surgical flap.
2, when intervention apparatus is during release, patient has found that releasing position is not right, at this time due to the proximal end of intervention apparatus
Still be stuck in fixing head, then it can be by the epitheca that moves ahead, so that intervention apparatus, is loaded by epitheca package compression intervention apparatus again
When capsule, but during moving ahead epitheca, since capsule is softer, rigidity is insufficient, easily gives a discount when forward, it is not easy to realize
Recycling to intervention apparatus.
Utility model content
Based on this, it is necessary to a kind of intervention apparatus conveying device is provided, to solve intervention apparatus conveying in the prior art
Device not enough causes unrenewable problem to the radial binding force of intervention apparatus.
The distal end of a kind of intervention apparatus conveying device, including core-pipe subassembly, the core-pipe subassembly is equipped with for loading intervention
The loading section of instrument, the proximal end for loading section are equipped with the fixing head for fixing the proximal end of the intervention apparatus；Tubulose
Epitheca, slidably cover in the outside of the core-pipe subassembly, the distal end of the epitheca is for accommodating the fixing head and institute
State the accommodating area of intervention apparatus；Handle is controlled, withdraws and moves ahead for controlling the relatively described core-pipe subassembly of the epitheca, further include
The constraint set in the fixing head is covered, the constraint set is described for the intervention apparatus to be strapped in the fixing head
Constraint is put on equipped with conduit, and the conduit covers the relatively described fixing head for controlling the constraint and withdraws and move ahead, with release and
Tighten the intervention apparatus.
Further, the constraint set being capable of axially slidably covering in the fixing head along the fixing head.
Further, the distal end of the conduit covers with the constraint and connects, and the proximal end of the conduit is fixed on the control
In handle, the control handle can pull the conduit proximally to slide and push conduit to slide to distal end.
Further, the outer surface of the fixing head and it is described constraint set inner surface one of both be equipped with sliding slot, two
Another in person is equipped with the sliding rail being slidably matched with the sliding slot.
Further, the constraint is covered and is threadedly coupled between the fixing head.
Further, the distal end of the conduit covers with the constraint and connects, and the proximal end of the conduit is fixed on the control
In handle, the control handle can control the conduit rotation.
Further, the constraint set is hard set.
Further, before discharging intervention apparatus, along axis direction, the distal end of the constraint set exceeds the fixation
The distal end of head.
Further, the constraint set includes covering on the head in the fixing head and covering on the core-pipe subassembly
Tail portion, the internal diameter of the tail portion are less than the internal diameter on the head, and the relatively described tail portion in the head is closer to described
Load the distal end of section.
Further, the constraint is put on equipped with lead-in chamfered, extension path of the lead-in chamfered from distal end proximally
Move closer to the axis of the constraint set.
Further, the lead-in chamfered is located on the end wall of the head proximal end
Further, the constraint set is combined into transition fit or clearance fit with matching for the fixing head, in the fixation
In the state that head loads the intervention apparatus, there is gap between the inner wall of the constraint set and the surface of the intervention apparatus,
And the gap is less than the thickness for the intervention apparatus being loaded into the fixing head.
Further, the interstice coverage is 0.05-0.15cm.
The intervention apparatus conveying device of the utility model, by be arranged in fixing head can fix relatively head move ahead and return
The constraint set removed, constraint set can fetter intervention apparatus, can to avoid intervention apparatus during release quick release, solve nothing
Method finds the problem of intervention apparatus releasing position not pair in time, stronger additionally, due to the structural strength of constraint set, it is not easy to bend
Deformation in discovery releasing position when incorrect recycling bracket, can first pass through the relatively fixed forward compression of head of control constraint set and be situated between
Enter instrument, the expansive force of such intervention apparatus can be relatively small, then again by epitheca compression intervention apparatus and to intervention apparatus
Recycling, can be convenient recycling intervention apparatus.
Detailed description of the invention
Fig. 1 is the assembly structure diagram of the intervention apparatus conveying device of the utility model first embodiment, the interposers
Tool delivery device distal is mounted with intervention apparatus.
Fig. 2 is the cross-sectional view of the intervention apparatus delivery device distal in this Fig. 1.
Fig. 3 is the schematic diagram when epitheca in Fig. 2 is withdrawn, intervention instrument portions release in the figure.
Fig. 4 is the schematic diagram when epitheca in Fig. 2 is withdrawn, and intervention apparatus discharges completely in the figure.
Fig. 5 is the schematic diagram for removing intervention apparatus in Fig. 4.
Fig. 6 is the exploded view of Fig. 5.
Fig. 7 is the integral assembling structure schematic diagram of the intervention apparatus conveying device of the utility model second embodiment, Jie
Enter instrument delivery device distal and is mounted with intervention apparatus.
Fig. 8 is the cross-sectional view of the intervention apparatus delivery device distal in this Fig. 7.
Fig. 9 is the A-A section view in Fig. 8.
Figure 10 is the explosive view of the intervention apparatus delivery device distal in Fig. 7.
Figure 11 is the integral assembling structure schematic diagram of the intervention apparatus conveying device of the utility model 3rd embodiment, Jie
Enter instrument delivery device distal and is mounted with intervention apparatus.
Figure 12 is the cross-sectional view of the intervention apparatus delivery device distal in Figure 11.
Figure 13 is the explosive view of the intervention apparatus delivery device distal in Figure 11.
Figure 14 is the schematic diagram of another connection type of fixing head and intervention apparatus.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Firstly, it is necessary to explanation, proximal end and distal end in the utility model be in contrast, when specifically performing the operation,
One end far from patient (operator) is distal end, is proximal end close to one end of patient.
Embodiment 1
- 2 and Fig. 5-6 refering to fig. 1, the utility model first embodiment provide a kind of intervention apparatus conveying device, packet
Core-pipe subassembly 1 is included, the distal end of the core-pipe subassembly 1 is equipped with the loading section 10 for loading the intervention apparatus 2, the loading section
10 proximal end is equipped with the fixing head 12 for fixing the proximal end of the intervention apparatus 2；The epitheca 3 of tubulose, slidably covers
The outside of the core-pipe subassembly 1, the distal end of the epitheca 3 are for accommodating the fixing head 12 and the intervention apparatus 2
Accommodating area 30, the accommodating area 30 have capsule shape, have a diameter larger than the rest part of epitheca, and opposite epitheca has preferably
Flexibility；Handle 4 is controlled, withdraws and moves ahead for controlling the relatively described core-pipe subassembly 1 of the epitheca 3；And it covers described solid
Determine constraint set 5 on first 12, the constraint set 5 is for being strapped in the fixing head 12, the constraint set for the intervention apparatus 2
5 can the relatively described fixing head 12 withdraw and move ahead, to discharge and recycle the intervention apparatus 2.It is understood that core pipe group
The proximal end of part 1 and epitheca 3 is fixedly controlling in handle 4, which is the prior art, and details are not described herein.
In the present embodiment, constraint set 5 is hard set, preferably steel bushing, and constraint set 5 uses hard set, can fetter
When the relatively fixed head 12 of set 5 moves ahead, it will not bend, convenient for recycling intervention apparatus 2.
In the present embodiment, when completing intervention apparatus 2 being loaded into accommodating area 30, or in intervention apparatus 2 it is delivered to people
When body lesion locations, before withdrawing epitheca 3 (before release), in the axial direction, the distal end of constraint set 5 is beyond fixing head 12
Distally.It, can once the releasing position of discovery intervention apparatus 2 is incorrect during withdrawing 5 release intervention apparatus 2 of constraint set
Proceed to wrapping portion intervention apparatus 2 to first pass through the relatively fixed heads 12 of constraint set 5, using constraint set 5 first to intervention apparatus 2 into
Row is partially recycled, and intervention apparatus 2 is first partially compressed at this time, then is moved ahead by epitheca 3 with respect to core-pipe subassembly 1 and compress intervention apparatus
2 and when recycling intervention apparatus 2, recycling is partially compressed due to being first bound set 5 in intervention apparatus 2, can be convenient epitheca 3 at this time
It is slided further along to compress intervention apparatus 2.Further, the length of constraint set 5 is unsuitable too long, and the length of constraint set 5 is spent
Length will affect flexibility in intervention apparatus transmission process, in the present embodiment, constraint set 5 preferred length range be 17mm~
18mm。
In the present embodiment, the outer wall of the distal end of fixing head 12 is equipped with the recessed of the proximal tips for fixing intervention apparatus 2
Slot 120.It should be noted that one end that intervention apparatus 2 is connected with fixing head 12 is provided with fixed ear 20.
Intervention apparatus 2 is, for example, artificial valve bracket, and valve is arranged in artificial valve bracket and forms heart valve prosthesis,
When loading, first heart valve prosthesis is immersed in ice water solution, prosthetic heart valve holder softens to the cold, withdraws epitheca 3, will
Artificial heart valve Membrane cover loads in section 10 in middle pipe, is arranged a cylindrical conduit, cylindrical conduit in the distal end of heart valve prosthesis
Rigidity be greater than accommodating area.Heart valve prosthesis is compressed to column tube (except proximal end) by compression set again, then will be located at
The fixed ear 20 of proximal end is depressed into the groove 120 of fixing head 12.Again on one side by the control of control handle 4, move ahead epitheca 3, and one
While cylindrical conduit is withdrawn, until heart valve prosthesis is loaded to accommodating area 30 completely.This mounting means, due to artificial heart
Valve has been compressed into cylindrical conduit, is moved ahead epitheca 3 using one side, is withdrawn the form of cylindrical conduit on one side, facilitating will be artificial
Heart valve is loaded into accommodating area 30.Secondly as the proximal end of heart valve prosthesis is fixed in fixing head 12, thus moving ahead
When epitheca 3, fixed ear will not poke accommodating area 30.
In the present embodiment, the quantity of fixed ear 20 can be multiple, and the length of each fixed ear 20 is different, also
It is to say that the projected position of the proximal end of fixed ear 20 on the axis of intervention apparatus 2 is interspersed, correspondingly, the quantity of groove 120
Also to be multiple, multiple grooves 120 are different along the length on 12 axis direction of fixing head, in this way intervention apparatus 2 is fixed
, can be successively in place by multiple fixed ears 20 when in fixing head 12, it is that the nearest fixed ear 20 in proximal end is in place first, then presses
According to the successively that all fixed ears 20 is in place from the near to the remote of proximal end, it is very convenient to install in this way.Preferably, the quantity of fixed ear 20
For 2~4 and it can be evenly distributed in the proximal end of intervention apparatus 2, the shape of fixed ear 20 can be a variety of such as "T"-shaped
Structure or inverted "L" shape structure；Correspondingly, the quantity of groove 120 can be 2~4 and be evenly distributed in fixing head 12
On the outer wall of distal end, the shape of groove 120 is matched with fixed ear 20.
It is understood that in other embodiments, the distal end of constraint set 5 can also without departing from the distal end of fixing head 12,
The proximal tips for the intervention apparatus 2 being located in groove 120 need to be only wrapped, in this embodiment, the length of constraint set 5
Range is 8~10mm.
In the present embodiment, constraint set 5 includes covering on the head 50 in fixing head 12 and covering the tail on core-pipe subassembly 1
Portion 52, the internal diameter of tail portion 52 are less than the internal diameter on head 50, the head 50 of constraint set 5 with respect to for tail portion 52 closer to
Load the distal end of section 10.Setting can prevent constraint set 5 when relatively fixed head 12 moves ahead in this way, the fixation of heart valve prosthesis
Ear 20 is detached from from the groove 120 of fixing head 12.Further, the outer wall of constraint set 5 is equipped with lead-in chamfered 54,
The outer wall of the proximal end of constraint set 5 is equipped with lead-in chamfered 54, lead-in chamfered 54 from distal end extension path proximally by
Gradually close to the axis of constraint set 5, that is to say, that the distance on the axis direction of the proximal end of lead-in chamfered 54 to constraint set 5 is less than
The distal end of lead-in chamfered 54 to constraint set 5 axis direction on distance, in order to epitheca 3 with respect to core-pipe subassembly 1 move ahead when,
Lead-in chamfered 54 can guide the head 50 of the package constraint of epitheca 3 set 5.In the present embodiment, lead-in chamfered 54 is located at head 50
Proximal end end wall on, that is, lead-in chamfered 54 be arranged between head 50 and tail portion 52, head 50 pass through 54 transition of lead-in chamfered
To tail portion 52.Preferably, the proximal end on head 50 can be integrally conical.
In the present embodiment, constraint set 5 can sliding axially along fixing head 12, constraint set is 5 by along fixing head
12 slide axially, realizes and fixes withdrawing and moving ahead for head 12 relatively.
5 sliding axially along fixing head 12 are covered in order to facilitate constraint, sliding knot is equipped between constraint set 5 and fixing head 12
Structure (not shown go out), slide construction can guide constraint 5 sliding axially along fixing head 12 of set, and slide construction is included in constraint
Be arranged on the sliding slot that is arranged on the inner wall of set 5 and the outer wall one of both of fixing head 12, and another in the two and with
The guide rail of sliding slot cooperation.
In the present embodiment, constraint set 5 outer surfaces be equipped with traction element 6, traction element 6 for drive constraint set 5 along
Fixing head 12 slides axially.
Specifically, in the present embodiment, traction element 6 is steel wire or cord, and one end of traction element 6 and constraint set 5 connect
It connecing, the other end of traction element 6 is connect with the inner wall of epitheca 3, under preferred forms, the other end and appearance of traction element 6
It sets 30 proximal end inner wall of area to be connected, the length of traction element 6 can be adjusted according to 30 length of accommodating area at this time.Passing through traction member
Part 6 drives constraint 5 sliding axially along fixing head 12 of set, realize the relatively fixed heads 12 of constraint set 5 withdraw with it is forward when, can be with
It controls epitheca 3 by control handle 4 to withdraw and move ahead with respect to core-pipe subassembly 1, such epitheca 3 will drive traction member when withdrawing
Part 6 is withdrawn, and traction element 6 drives constraint set 5 to withdraw, and when epitheca 3 moves ahead, traction element 6 will be driven to move ahead, traction element 6
Constraint set 5 is driven to move ahead.
In the present embodiment, the intervention apparatus conveying device of the utility model further includes elastic element 7, elastic element 7
Distal end and constraint set 5 against, elastic element 7 proximal end and core-pipe subassembly 1 against.
Before releasing, heart valve prosthesis is compressed into constraint set 5, and elastic element 7 is compressed at this time, traction element 6
(specially traction element 6 be connected with accommodating area 30 part) folds, and traction element 6 does not generate tractive force at this time；It is outer when withdrawing
When sheath 3, elastic element 7 provides support to constraint set 5, continues to withdraw, and the tensioning of traction element 6 generates tractive force, pulls constraint set 5
It withdraws, constraint set 5 cooperates with core-pipe subassembly 1 compresses elastic element 7, and in withdrawing after power disappears for constraint set 5, constraint covers 5 and exists
Relatively fixed head 12 moves ahead under the promotion of the restoring force of elastic element 7, can be convenient 5 recycling compression intervention apparatus 2 of constraint set.Tool
Body, such as spring of elastic element 7, spring pocket is on core-pipe subassembly 1, it is to be understood that spring also covers the tail in constraint set 5
In portion 52 with constraint set 5 head 50 proximal end face or lead-in chamfered against.
It is understood that elastic element 7 is not limited to spring, as long as the guarantee of elastic element 7 is folded in 1 He of core-pipe subassembly
It between constraint set 5, can be compressed when constraint set 5 is withdrawn relative to fixing head 12, elastic element 7 is, for example, elasticity
Block, elastic washer, elastic piece etc..
In the present embodiment, the conveying device of the utility model further includes the branch fastener being located on the outer wall of core-pipe subassembly 1
8, elastic element 7 by against branch fastener 8 and core-pipe subassembly 1 against.Specifically, branch fastener 8 is for example set on core-pipe subassembly 1
And it is fixed with core-pipe subassembly 1, more specifically, branch fastener 8 includes covering tubular body 80 on core-pipe subassembly 1 and from tubular body 80
Outer wall protrude out the proximal end for elastic element 7 against block 82, block 82 in a ring, can so as to elastic element 7 against.
Branch fastener 8 outer from the outer wall of core-pipe subassembly 1 can also extend to form.The concrete shape of branch fastener 8 is unlimited, if be able to satisfy with
Elastic element 7 against.
In the present embodiment, the quantity of traction element 6 is multiple and is circumferentially uniformly distributed, and makes the drawing of epitheca 3
Power is distributed on multiple traction elements 6, is pulled off to avoid single traction element 6, or single traction element 6 is in stress,
It is uneven to the pulling force of constraint set 5, it draws constraint set 5 and tilts.Preferably, the quantity of traction element 6 is three.
In the present embodiment, epitheca 3 further includes the sheath 34 that connect with the proximal end of accommodating area 30 of distal end, wherein sheath 34
Proximal end is mounted in control handle 4.The internal diameter of sheath 34 is less than the internal diameter of accommodating area 30, and the close end of accommodating area 30 is tapered
Changeover portion 32, the distal end of sheath 34 actually connect with the proximal end of coupling tube 32, can make sheath 34 and accommodating area in this way
It is naturally excessive on internal diameter between 30.In the present embodiment, the tie point of epitheca 3 and traction element 6 is located in coupling tube 32.
In the present embodiment, core-pipe subassembly 1 further includes middle pipe 13 and seeker 14.Wherein, the distal end of middle pipe 13 passes through weldering
The mode connect is connect with fixing head 12, and seeker 14 is connect by loading section 10 with the distal end of fixing head 12 or middle pipe 13, at this
In embodiment, seeker 14 is connect by loading section 10 with the distal end of middle pipe 13, and the proximal end of middle pipe 13 is connect with control handle 4,
Seeker 14 is pushed or withdraws forward by controlling handle 4, seeker 14 is pyramidal structure, and the distal end of seeker 14 has streamline
Type shape can prevent plowing from blood vessel, be also beneficial to that entire conveying device is guided to promote along blood vessel, the proximal end of seeker 14
For planar structure, section 10 is loaded for being housed in push against behind accommodating area 30.
In the present embodiment, section 10 is loaded to include core pipe 101 and cover the loading pipe 102 in core pipe 101, core pipe 101
Proximal end penetrates the through-hole being axially arranged in fixing head 12 and connect with middle pipe 13, and distal end and the seeker 14 of core pipe 101 connect
It connects, i.e., seeker 14 is connect by core pipe 101 with middle pipe 13.It should be noted that core pipe 101 and the material of loading pipe 102 are soft
So, to protect intervention apparatus 2, intervention apparatus 2 is avoided to be damaged.
In addition, it is necessary to explanation, in the present embodiment, the tail portion 52 of constraint set 5, elastic element 7 and branch fastener 6 pipe
Shape body 80 covers on middle pipe 13.
Further, in the present embodiment, constraint set 5 is combined into transition fit or clearance fit with matching for fixing head 12, Gu
First 12 are determined after loading intervention apparatus 2, has a gap between intervention apparatus 2 and constraint set 5, and gap is less than and is loaded into fixing head
The thickness of intervention apparatus 2 on 12 so that intervention apparatus 2 will not Spontaneous release, while also facilitating constraint set 5 can be relatively fixed
First 12 move ahead and withdraw.Preferably, the range in the gap is 0.05-0.15cm.
In the present embodiment, intervention apparatus 2 is artificial valve bracket, and artificial valve internal stent is provided with artificial valve.
Incorporated by reference to referring to Fig. 3 and Fig. 4, the intervention apparatus conveying device of the utility model first will when loading intervention apparatus 2
Intervention apparatus 2 compresses, and so controls epitheca 3 by control handle 4 and withdraws with respect to core-pipe subassembly 1, and the tensioning of traction element 6 drives constraint
Set 5 is withdrawn and compression elastic element 7, after constraint set 5 is detached from the groove 120 of fixing head 12, by the fixed ear 20 of intervention apparatus 2
Block to the groove 120 of fixing head 12, epitheca 3 is then controlled by control handle 4 and is moved ahead with respect to core-pipe subassembly 1, so that constraint set 5
It moves ahead under the action of the restoring force of elastic element 7, during constraint set 5 moves ahead, the fixed ear 20 of intervention apparatus 2 will be pushed down
And continue to move ahead and cover on part intervention apparatus 2, until the inner wall of the proximal end on the head 50 of constraint set 5 resists fixing head 12,
It next proceeds through the control control epitheca 3 of handle 4 to move ahead with respect to core-pipe subassembly 1, compresses intervention apparatus 2 so that epitheca 3 moves ahead
In the loading section 10 of core-pipe subassembly 1, the accommodating area 30 of epitheca 3 wraps whole intervention apparatus 2, to complete intervention apparatus 2
Loading.
The intervention apparatus conveying device of the utility model is when conveying intervention apparatus 2, when intervention apparatus 2 reaches human lesion
Behind position, epitheca 3 is controlled by control handle 4 and is first partially withdrawn with respect to core-pipe subassembly 1, so that intervention apparatus 2 gradually exposes,
At this time since constraint set 5 is fixed first 12, so that constraint set 5 is still when 2 self-expanding of intervention apparatus generates huge forward power
The fixed ear 20 that intervention apparatus 2 can be pressed, maintains intervention apparatus 2 in situ.
When the releasing position for ensuring intervention apparatus 2 is accurate, continue to withdraw epitheca 3, epitheca 3 is withdrawn, so that traction element 6
Tensioning, the tensioning drive constraint of traction element 6 set 5 is withdrawn and compression elastic element 7, covers 5 grooves for being detached from fixing head 12 in constraint
After 120, the release of intervention apparatus 2 is deployed in lesion locations, completes the release of intervention apparatus 2.
If the releasing position of discovery intervention apparatus 2 is not right during release, epitheca 3 can be controlled by control handle 4
Opposite core-pipe subassembly 1 moves ahead, and the pulling force of traction element 6 disappears, so that constraint set 5 is under the action of the restoring force of elastic element 7
It moves ahead, constraint set 5 compresses intervention apparatus 2 first, can be convenient epitheca 3 in this way and compresses intervention apparatus 2, intervention apparatus 2 is compressed
In the loading section 10 of core-pipe subassembly 1, the accommodating area 30 of epitheca 3 wraps whole intervention apparatus 2, i.e. intervention apparatus 2 is received again
It is contained in the recycling that intervention apparatus 2 is realized in accommodating area 30.
Embodiment 2
Incorporated by reference to a kind of intervention apparatus conveying device provided referring to Fig. 7-10, the utility model second embodiment, knot
Structure and a kind of structure for intervention apparatus conveying device that the utility model first embodiment provides are essentially identical, and difference is only
It is, the distal end of the traction element 6 in the embodiment is fixed in control handle 4, by operating control handle 4, makes to control hand
Handle 4 applies pulling force to traction element 6, and traction element 6 is pulled to withdraw, and traction element 6 drives constraint set 5 to withdraw compression elastic element
7 and intervention apparatus 2 is discharged；By operating control handle 4, make to control the pressure disappearance that handle 4 applies traction element 6, beam
It ties up set 5 to move ahead under the restoring force effect of elastic element 7, to recycle intervention apparatus 2.
In the present embodiment, traction element 6 is set as 3, and the traction element is line or steel wire, to prevent traction element
It is interfered with each other between 6, causes wrapping phenomena, flexible conduit can be assured in the outside of the traction element, or in traction element 6
External overlay film, to increase its rigidity.
In this embodiment, traction element 6 is passed through from the gap between the block 82 and sheath 34 of branch fastener 8.
Embodiment 3
Incorporated by reference to 1-13 referring to Fig.1, a kind of intervention apparatus conveying device that the utility model 3rd embodiment provides, knot
Structure and a kind of structure for intervention apparatus conveying device that the utility model first embodiment provides are essentially identical, and difference is only
It is, which does not include elastic element 7 and branch fastener 8, and the traction element 6 in the embodiment is conduit, in the implementation
The distal end of example, traction element 6 is connect with constraint set 5, and the distal end of traction element 6 is fixed in control handle 4, controls 4 energy of handle
Pulling force and thrust are provided to traction element 6, is moved ahead with pulling traction element 6 to withdraw with traction element 6 is pushed, traction element 6
It withdraws and withdraws and move ahead with the relatively fixed heads 12 of drive constraint set 5 that move ahead.
It is understood that the utility model 3rd embodiment provides intervention apparatus conveying device, working principle and sheet
A kind of working principle for intervention apparatus conveying device that utility model first embodiment provides is also essentially identical, and difference is only
It is, when needing to withdraw constraint set 5, needs to provide pulling force to traction element 6 by operating control handle 4, pull traction member
Part 6 is withdrawn, and traction element 6 drives constraint set 5 to withdraw, and when covering 5 into constraint before necessary, is drawn by 4 Duis of operating control handle
Element 6 provides thrust, and traction element 6 is pushed to move ahead, and traction element 6 pushes constraint set 5 to move ahead.
Embodiment 4
The utility model, the utility model fourth embodiment provide a kind of intervention apparatus conveying device, structure with
A kind of structure for intervention apparatus conveying device that the utility model 3rd embodiment provides is essentially identical, and difference only exists
In, the constraint set 5 in the embodiment is threadedly coupled with fixing head 12, and control handle 4 can provide rotary force to traction element 6,
In this way when needing to withdraw constraint set 5, need traction element 6 can be made inverse the application of traction element 6 by operating control handle 4
The rotary force of hour hands rotation, rotation that traction element 6 is counterclockwise drives the rotation counterclockwise of constraint set 5, when constraint set 5 rotates counterclockwise
Relatively fixed head 12 is withdrawn；When before necessary into constraint set 5, needing to apply traction element 6 by operating control handle 4 can be with
The rotary force for rotating clockwise traction element 6, traction element 6 rotate clockwise drive constraint set 5 and rotate clockwise, constraint set
5 move ahead when rotating clockwise with respect to fixing head 12.
It is understood that in the present embodiment, being no longer equipped between fixing head 12 and constraint set 5 for guiding constraint set
5 along fixing head 12 slide construction in axial sliding.
In addition, it is necessary to which supplementary explanation, please refers to Figure 14, implement in above-mentioned first implementation, second embodiment and third
In example, setting groove 120, after convex block 121 is arranged in fixing head 12, intervention can be replaced in fixing head 12 by setting convex block 121
Instrument 2 is hung over by fixed ear 20 and is fixed in fixing head 12 on convex block 121.
The intervention apparatus conveying device of the utility model, by be arranged in fixing head 12 can fix relatively head 12 move ahead
With the constraint set 5 withdrawn, constraint set 5 can fetter intervention apparatus 2, can to avoid intervention apparatus 2 during release fast quick-release
It puts, does not solve the problems, such as to find 2 releasing position of intervention apparatus in time not pair, it is stronger additionally, due to the structural strength of constraint set 5,
Do not allow pliable deformation, in discovery releasing position when incorrect recycling bracket, the relatively fixed heads of control constraint set 5 can be first passed through
12, which move ahead, compresses intervention apparatus 2, and the expansive force of such intervention apparatus 2 can be relatively small, then compresses interposers by epitheca 3 again
Tool 2 simultaneously recycles intervention apparatus 2, can be convenient recycling intervention apparatus 2.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (13)
1. the distal end of a kind of intervention apparatus conveying device, including core-pipe subassembly (1), the core-pipe subassembly (1) is equipped with for loading
The loading section (10) of intervention apparatus (2), the proximal end for loading section (10) are equipped with the proximal end for fixing the intervention apparatus (2)
The fixing head (12) of end；The epitheca (3) of tubulose slidably covers the outside in the core-pipe subassembly (1), the epitheca (3)
Distal end is the accommodating area (30) for accommodating the fixing head (12) and the intervention apparatus (2)；It controls handle (4), is used for
It controls the relatively described core-pipe subassembly (1) of the epitheca (3) to withdraw and move ahead, which is characterized in that further include covering in the fixing head
(12) the constraint set (5) on, the constraint set (5) are used to the intervention apparatus (2) being strapped in the fixing head (12), institute
It states constraint set (5) and is equipped with conduit, the conduit is withdrawn with before for controlling described constraint set (5) relatively described fixing head (12)
Row, to discharge and tighten the intervention apparatus (2).
2. intervention apparatus conveying device according to claim 1, which is characterized in that the constraint set (5) can be along institute
State axially slidably covering on the fixing head (12) for fixing head (12).
3. intervention apparatus conveying device according to claim 2, which is characterized in that the proximal end of the conduit is fixed on described
It controls in handle (4), the control handle (4) can pull the conduit proximally to slide and push conduit sliding to distal end
It is dynamic.
4. intervention apparatus conveying device according to claim 2, which is characterized in that the outer surface of the fixing head (12) with
The inner surface one of both of the constraint set (5) is equipped with sliding slot, and another in the two is equipped with to be slidably matched with the sliding slot
Sliding rail.
5. intervention apparatus conveying device according to claim 1, which is characterized in that the constraint set (5) and the fixation
It is threadedly coupled between head (12).
6. intervention apparatus conveying device according to claim 5, which is characterized in that the distal end of the conduit and the constraint
(5) connection is covered, the proximal end of the conduit is fixed in the control handle (4), and the control handle (4) can control described lead
Pipe rotation.
7. intervention apparatus conveying device described in -6 any one according to claim 1, which is characterized in that the constraint covers (5)
For hard set.
8. intervention apparatus conveying device described in -6 any one according to claim 1, which is characterized in that in release intervention apparatus
Before, along axis direction, the distal end of the constraint set (5) exceeds the distal end of the fixing head (12).
9. intervention apparatus conveying device described in -6 any one according to claim 1, which is characterized in that the constraint covers (5)
Including covering on the head (50) on the fixing head (12) and covering the tail portion (52) on the core-pipe subassembly (1), the tail
The internal diameter in portion (52) be less than the head (50) internal diameter, the relatively described tail portion (52) of the head (50) closer to
The distal end for loading section (10).
10. intervention apparatus conveying device according to claim 9, which is characterized in that the constraint set (5) is equipped with guidance
Inclined-plane (54), the lead-in chamfered (54) move closer to the axis of the constraint set (5) from the extension path of distal end proximally.
11. intervention apparatus conveying device according to claim 10, which is characterized in that the lead-in chamfered (54) is located at institute
On the end wall for stating head (50) proximal end.
12. intervention apparatus conveying device according to claim 1, which is characterized in that the constraint set (5) and the fixation
Matching for head (12) is combined into transition fit or clearance fit, in the state that the fixing head (12) load intervention apparatus (2),
There is a gap between the inner wall of the constraint set (5) and the surface of the intervention apparatus (2), and the gap is less than being loaded into institute
State the thickness of the intervention apparatus (2) on fixing head (12).
13. intervention apparatus conveying device according to claim 12, which is characterized in that the interstice coverage is 0.05-
0.15cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458201.1U CN208582554U (en) | 2017-11-03 | 2017-11-03 | Intervention apparatus conveying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458201.1U CN208582554U (en) | 2017-11-03 | 2017-11-03 | Intervention apparatus conveying device |
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| Publication Number | Publication Date |
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| CN208582554U true CN208582554U (en) | 2019-03-08 |
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| CN201721458201.1U Active CN208582554U (en) | 2017-11-03 | 2017-11-03 | Intervention apparatus conveying device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745148A (en) * | 2017-11-03 | 2019-05-14 | 杭州启明医疗器械股份有限公司 | Intervention apparatus conveying device |
| CN110251286A (en) * | 2019-07-29 | 2019-09-20 | 江苏暖阳医疗器械有限公司 | A kind of self-expandable stent transportation system |
| WO2020259640A1 (en) * | 2019-06-28 | 2020-12-30 | 微创神通医疗科技（上海）有限公司 | Vascular implant, delivery device and medical apparatus |
| CN112741712A (en) * | 2019-10-31 | 2021-05-04 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional instrument delivery system |
| RU2786334C1 (en) * | 2019-06-28 | 2022-12-20 | Майкропорт Ньюротек (Шанхай) Ко., Лтд. | Vascular implant, delivery device and medical device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745148A (en) * | 2017-11-03 | 2019-05-14 | 杭州启明医疗器械股份有限公司 | Intervention apparatus conveying device |
| CN109745148B (en) * | 2017-11-03 | 2024-09-10 | 杭州启明医疗器械股份有限公司 | Interventional instrument conveying device |
| WO2020259640A1 (en) * | 2019-06-28 | 2020-12-30 | 微创神通医疗科技（上海）有限公司 | Vascular implant, delivery device and medical apparatus |
| RU2786334C1 (en) * | 2019-06-28 | 2022-12-20 | Майкропорт Ньюротек (Шанхай) Ко., Лтд. | Vascular implant, delivery device and medical device |
| CN110251286A (en) * | 2019-07-29 | 2019-09-20 | 江苏暖阳医疗器械有限公司 | A kind of self-expandable stent transportation system |
| CN110251286B (en) * | 2019-07-29 | 2024-02-02 | 江苏暖阳医疗器械有限公司 | Self-expanding type support conveying system |
| CN112741712A (en) * | 2019-10-31 | 2021-05-04 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional instrument delivery system |
| WO2021083294A1 (en) * | 2019-10-31 | 2021-05-06 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional instrument delivery system |
| CN114667118A (en) * | 2019-10-31 | 2022-06-24 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional device delivery system |
| CN114727873A (en) * | 2019-10-31 | 2022-07-08 | 杭州启明医疗器械股份有限公司 | Interventional instrument delivery system driven by hydraulic mode |
| CN112741712B (en) * | 2019-10-31 | 2022-11-08 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional instrument delivery system |
| CN114667118B (en) * | 2019-10-31 | 2025-07-15 | 杭州启明医疗器械股份有限公司 | Hydraulically driven interventional device delivery system |
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