CN209596004U - Uterine ring removal forceps - Google Patents

Abstract

The utility model relates to the field of medical instrument technology, especially disclose a kind of uterine cavity ring-removing forceps, including hinged the first caliper and the second caliper, the both ends of first caliper are respectively arranged with first handle and the first binding clip, the both ends of second caliper are respectively arranged with second handle and the second binding clip, several hinge holes being spaced apart along its length are provided on first caliper and the second caliper, articulated shaft is equipped on one of hinge hole, the both ends of articulated shaft are provided with the first enlarged body and the second enlarged body for constituting limit cooperation with the first caliper and the second caliper respectively, the articulated shaft and hinge hole constitute detachable setting.Using the above structure, providing the first binding clip of one kind and the second binding clip has the uterine cavity ring-removing forceps of a variety of folding angles and the depth for entering uterine cavity.

Description

Uterine ring removal forceps

technical field

The utility model relates to the technical field of medical instruments, in particular to a uterine ring-taking forceps.

Background technique

At present, the intrauterine device is adopted by the majority of women of childbearing age because of its advantages such as safety, long-term effect, simplicity, reversibility, and economy. However, due to various reasons, the IUD needs to be removed when necessary. For example, when the intrauterine device causes adverse reactions and complications in the human body, specifically including menorrhagia, prolonged menstruation, etc.; or pregnancy with the device, etc. However, under the conditions of different types of IUDs and different human body conditions, different difficulties or accidents often occur when IUDs are taken out, such as IUDs being incarcerated, broken, fragments remaining or "lost". Difficulty in removing the IUD may occur from time to time.

For a long time, intrauterine surgery has been performed by doctors based on clinical experience. Clinically, the most commonly used instrument for removing the IUD is the ring forceps.

Ring-taking pliers generally include a first pliers body and a second pliers body hinged by screws, the two ends of the first pliers body are respectively the first handle and the first pliers head, and the two ends of the second pliers body are respectively the second handle and the first pliers body. The second pincer head, because the hinge position of the screw is fixed, so the opening and closing angles of the first pincer head and the second pincer head and the depth of entering the uterine cavity are fixed, which is not conducive to the application of different human conditions and Surgical situation, practicality is poor.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a uterine cavity ring-taking forceps with a first pliers head and a second pliers head with multiple opening and closing angles and depths into the uterine cavity.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a uterine cavity ring-taking forceps, comprising a hinged first forceps body and a second forceps body, the two ends of the first forceps body are respectively provided with a first handle and a second forceps body. A pliers head, the two ends of the second pliers body are respectively provided with a second handle and a second pliers head, and the first pliers body and the second pliers body are provided with several hinged holes distributed along their lengthwise intervals, wherein A hinged hole is pierced with a hinged shaft, and the two ends of the hinged shaft are provided with a first enlarged body and a second enlarged body that respectively form a limited fit with the first pliers body and the second pliers body, and the hinged shaft and the hinged hole Forms a detachable setup.

In the above technical solution, the hinge hole on the first pliers body is located between the first handle and the first pliers head, the hinge hole on the second pliers body is located between the second handle and the second pliers head, and the first pliers body The hinge holes on the first pliers body and the hinge holes on the second pliers body can be aligned one by one, and the hinge shaft passes through the hinge holes on the first pliers body and the hinge holes on the second pliers body in turn to make the first pliers body and the second pliers body hinge , the setting of the first enlarged body and the second enlarged body is to prevent the hinge shaft from coming out of the hinge hole, and play the role of limit fastening, so that the hinge of the first pliers body and the second pliers body is more stable, and the distance between each hinge hole is the first The distance between the first pliers head and the second pliers head is different, and the hinge shaft is detachably connected to the hinge hole. When the hinge shaft is located in the hinge hole closer to the first pincer head or the second pincer head, the opening and closing angle of the first pincer head and the second pincer head is smaller, and the uterine cavity The shallower the depth, on the contrary, when the hinge shaft is located in the hinge hole farther away from the first pincer head or the second pincer head, the opening and closing angle of the first pincer head and the second pincer head is larger, and the angle of entry into the uterine cavity is larger. The deeper the depth, in order to adapt to different surgical situations, better adaptability, more convenient to use, and improve surgical efficiency.

As a further configuration of the present utility model, the hinge shaft includes a first hinge shaft and a second hinge shaft inserted into each other, the first enlarged body is located on the first hinge shaft, and the second enlarged body is located on the second hinge shaft, so The first articulated shaft is provided with a slot for the second articulated shaft to be inserted into, the inner wall of the slot is provided with an L-shaped slot, and the outer wall of the second articulated shaft is provided with a block adapted to the slot, The first articulated shaft and the second articulated shaft form an axial sliding arrangement and a circumferential rotation arrangement through the engaging groove and the engaging block.

In the above technical solution, the first hinged shaft and the second hinged shaft are detachable. When the hinged shaft needs to be changed, the first hinged shaft and the second hinged shaft are separated and released from the hinged hole, and then threaded again In other hinged holes, the first hinged shaft and the second hinged shaft are reconnected, so that the structure is simple and the disassembly is convenient.

As a further configuration of the present invention, one end of the slot extends along the axial direction of the first hinge shaft to form an axial segment, and the other end extends along the circumferential direction of the first hinge shaft to form a circumferential segment. The inner wall is provided with a limit protrusion to limit the movement of the block, and the limit protrusion and the block form a limit setting.

In the above technical solution, when the first hinge shaft and the second hinge shaft need to be connected, align the block on the second hinge shaft with the entrance of the axial section of the slot, and slide in along the direction of the axial section until the block Align with the circumferential section, and then turn to the second hinge shaft, so that the clamping block slides into the circumferential segment, and slides over the limit protrusion, so that the limit protrusion and the clamp form a limit fit to prevent the clamp from slipping Out of the circumferential section, when the first hinged shaft and the second hinged shaft need to be disassembled, when the second hinged shaft is turned, the block slides out of the circumferential section, and then pulled out along the axial section, which is easy to disassemble, because the first pliers and the second pliers rotate around the axis of the hinge shaft, and the first and second magnifications abut against the first pliers and the second pliers respectively, so when the fighting pliers and the second pliers rotate, It may be possible to drive the first hinge shaft and the second hinge shaft to do relative rotation due to friction, so it is necessary to set a limit protrusion to limit the relative rotation of the first hinge shaft and the second hinge shaft. Preferably, because the first pliers The frictional force generated between the second clamp body and the first enlarged body and the second enlarged body is relatively small, so the height of the limit protrusion here can be set a little smaller, which can not only limit the sliding of the clamping block, but also The clamping block can easily slide over the limit protrusion under the drive of external force, and the structure is simple and the operation is convenient.

As a further configuration of the present utility model, the first pliers head and the second pliers head each include a connecting portion and a pliers head that are plugged into each other, and the connecting portions are respectively integrally provided with the respective first pliers body and the second pliers body, The connection part is provided with a cavity for inserting one end of the pliers head, one end of the pliers head is inserted into the cavity to form a connection end, and the other end is the pliers head end, and a through hole is provided on the connection end, and the through hole The axial direction of the connecting end is perpendicular to the length direction of the connecting end. A spring is pierced through the through hole. Both ends of the spring are connected with balls. The inner wall of the concave cavity is provided with a groove suitable for the ball. The grooves are arranged in the grooves to form the clamping and limiting fit between the connecting portion and the pliers head, and several grooves are distributed at intervals along the length direction of the connecting portion.

In the above technical solution, the connection part and the pliers head are telescopically arranged, and when the pliers head is pulled out, the length of the entire first pliers head or the second pliers head can be extended, and the depth of the first pliers head and the second pliers head can be changed. The depth of the uterine cavity and the opening and closing angles of the two forceps heads, the diameter of the preferred through hole is equal to the diameter of the ball, when the forceps head is pulled out or squeezed, the ball will be squeezed by the inner wall of the cavity and will retract into the through hole , so that the pliers head can be freely expanded and contracted. When the ball moves with the pliers head to a position aligned with other grooves, the balls protrude out of the through hole again under the action of the elastic force of the spring and are embedded in the groove to form a clamp. Connected with a limit fit to limit the expansion and contraction of the pliers head and play the role of positioning, the structure is simple and easy to use.

As a further configuration of the present utility model, the ends of the pliers are flat, and their circumferential contours are arc-shaped transition connections. The end faces of the body are provided with a word groove or a cross groove.

In the above technical solution, the preferred outer contour of the tip of the forceps can be oval or other arc-shaped structure, which is to avoid the existence of edges and corners to scratch the inner wall of the uterine cavity, and the serrated setting is to increase the contact area and make the clamping firmer , The setting of the slot or the cross groove is to facilitate the rotation of the first hinge shaft or the second hinge shaft, the structure is simple, and the processing is convenient.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Accompanying drawing 1 is the appearance schematic diagram of the specific embodiment of the utility model;

Accompanying drawing 2 is the structural diagram of the articulated shaft of the specific embodiment of the utility model;

Accompanying drawing 3 is A-A sectional view of accompanying drawing 2;

Accompanying drawing 4 is the B-B sectional view of accompanying drawing 2;

Accompanying drawing 5 is the structural diagram of the first tong head or the second tong head of the specific embodiment of the utility model;

Accompanying drawing 6 is A-A sectional view of accompanying drawing 5.

Detailed ways

The specific embodiment of the present utility model is shown in Fig. 1-6, a kind of uterine cavity ring-taking forceps, comprises the hinged first forceps body 1 and the second forceps body 2, and the two ends of the first forceps body 1 are respectively provided with first Handle 11 and first pliers head 12, the two ends of second pliers body 2 are provided with second handle 21 and second pliers head 22 respectively, described first pliers body 1 and second pliers body 2 are provided with along its length A plurality of hinged holes 13, 23 distributed at intervals in the direction, wherein one hinged hole 13, 23 is pierced with a hinged shaft 3, and the two ends of the hinged shaft 3 are provided with the first clamp body 1 and the second clamp body 2 respectively. The first enlarged body 31 and the second enlarged body 32 are matched in position, and the hinge shaft 3 and the hinge holes 13 and 23 form a detachable arrangement. The hinge hole 13 on the first pliers body 1 is located between the first handle 11 and the first pliers head 12, and the hinge hole 23 on the second pliers body 2 is located between the second handle 21 and the second pliers head 22. The hinge holes 13 on the pliers body 1 and the hinge holes 23 on the second pliers body 2 can be aligned one by one, and the hinge shaft 3 passes through the hinge holes 13 on the first pliers body 1 and the hinge holes on the second pliers body 2 in sequence 23 to make the first pliers body 1 and the second pliers body 2 hinged, the setting of the first enlarged body 31 and the second enlarged body 32 is to prevent the hinge shaft 3 from coming out of the hinge holes 13, 23, and play the role of position-limiting fastening, To make the hinge of the first pliers body 1 and the second pliers body 2 more stable, each hinge hole 13, 23 has a different distance from the first pliers head 12 or the second pliers head 22, and the hinge shaft 3 is detachably connected to the hinge hole 13 and 23, when the hinge shaft 3 is located in the hinge holes 13 and 23 at different positions, it can correspond to the different opening and closing angles of the first pincer head 12 and the second pincer head 22 and the depth of entering the uterine cavity, when the hinge shaft 3 When located in the hinge holes 13, 23 closer to the first pincer head 12 or the second pincer head 22, the opening and closing angle of the first pincer head 12 and the second pincer head 22 is smaller, and the depth of entering the uterine cavity is also smaller. Shallow, otherwise when the hinge shaft 3 is located in the hinge holes 13, 23 farther away from the first pliers 12 or the second pliers 22, the opening and closing angle of the first pliers 12 and the second pliers 22 is larger, entering The depth of the uterine cavity is deeper, so as to adapt to different surgical situations, better adaptability, more convenient to use, and improve surgical efficiency.

The hinge shaft 3 includes a first hinge shaft 33 and a second hinge shaft 34 that are inserted into each other, the first enlarged body 31 is located on the first hinge shaft 33, the second enlarged body 32 is located on the second hinge shaft 34, and the first enlarged body 32 is located on the second hinge shaft 34. A hinge shaft 33 is provided with a slot 331 for inserting the second hinge shaft 34, the inner wall of the slot 331 is provided with an L-shaped draw-in groove 3311, and the outer wall of the second hinge shaft 34 is provided with a slot 3311 suitable for the draw-in slot 3311. With the matching block 341 , the first hinge shaft 33 and the second hinge shaft 34 form an axial sliding arrangement and a circumferential rotation arrangement through the engaging slot 3311 and the locking block 341 . The first hinge shaft 33 and the second hinge shaft 34 are detachably arranged, and when the hinge shaft 3 needs to change positions, the first hinge shaft 33 and the second hinge shaft 34 are separated, and deviated from the hinge holes 13, 23, and then The first hinged shaft 33 and the second hinged shaft 34 are reconnected through other hinged holes 13 and 23 again. The structure is simple and easy to disassemble.

One end of the card slot 3311 extends along the axial direction of the first hinge shaft 33 to form an axial section 3311a, and the other end extends along the circumferential direction of the first hinge shaft 33 to form a circumferential section 3311b. The inner wall of the circumferential section 3311b is provided with There is a limit bump 3312 that restricts the movement of the block 341 , and the limit bump 3312 and the block 341 form a limit setting. When the first hinge shaft 33 and the second hinge shaft 34 need to be connected, align the block 341 on the second hinge shaft 34 with the entrance of the axial section 3311a of the slot 3311, and slide in along the direction of the axial section 3311a until The clamping block 341 is aligned with the circumferential segment 3311b, and then turned to the second hinge shaft 34, so that the clamping block 341 slides into the circumferential segment 3311b, and slides over the limiting protrusion 3312, so that the limiting protrusion 3312 and the clamping block 341 are aligned. A limited fit is formed to prevent the block 341 from sliding out of the circumferential segment 3311b. When the first hinge shaft 33 and the second hinge shaft 34 need to be disassembled, the block 341 slides out of the circumferential segment 3311b when the second hinge shaft 34 is rotated. , and then pulled out along the axial section 3311a, easy to disassemble, because the first pliers body 1 and the second pliers body 2 will rotate around the axis of the hinge shaft 3, and the first enlarged body 31 and the second enlarged body 32 respectively abut against On the first pliers body 1 and the second pliers body 2, when the fighting pliers body and the second pliers body 2 rotate, the first articulated shaft 33 and the second articulated shaft 34 may be driven to perform relative rotational movement due to frictional force, Therefore, it is necessary to set a limit protrusion to limit the relative rotation of the first hinge shaft 33 and the second hinge shaft 34, preferably, because the first pliers body 1 and the second pliers body 2 are connected with the first enlarged body 31 and the second enlarged body 32 The frictional force generated between them is small, so the height of the limit protrusion here can be set smaller, which can not only limit the sliding of the block 341, but also make the block 341 slide over the limit easily under the drive of external force. The position is raised, the structure is simple, and the operation is convenient.

The above-mentioned first pliers 12 and the second pliers 22 all include connecting parts 121, 221 and pliers parts 122, 222 that are inserted into each other, and the connecting parts 121, 221 are respectively connected with the respective first pliers body 1 and the second pliers body. 2. Integral arrangement, the connection part 121, 221 is provided with a cavity 1211, 2211 for inserting one end of the pliers head 122, 222, and one end of the pliers head 122, 222 is inserted into the cavity 1211, 2211 to form a connection end 1221 , 2221, the other end is the pliers end 1222, 2222, the connecting end 1221, 2221 is provided with a through hole 1221a, 2221a, the axial direction of the through hole 1221a, 2221a is perpendicular to the length direction of the connecting end 1221, 2221, the through hole 1221a, 2221a are pierced with springs 123, 223, the springs 123, 223 here are compression springs, the two ends of the springs 123, 223 are connected with balls 124, 224, and the inner walls of the concave cavities 1211, 2211 are provided with balls The grooves 1211a, 2211a that 124, 224 fit, the balls 124, 224 can be embedded in the grooves 1211a, 2211a under the action of the springs 123, 223 to form the clamping connection between the connecting part 121, 221 and the pliers head 122, 222 For limited fit, several grooves 1211a, 2211a are distributed at intervals along the length direction of the connecting portion 121, 221 . The connection parts 121, 221 and the pliers heads 122, 222 are telescopically arranged, and when the pliers heads 122, 222 are pulled out, the length of the entire first pliers head 12 or the second pliers head 22 can be extended, and the first pliers head can be changed. 12 and the second pincer head 22 go deep into the depth of the uterine cavity and the opening and closing angles of the two pincer head ends 1222, 2222. The diameter of the preferred through hole 1221a, 2221a is equal to the diameter of the ball 124, 224. When pulling out or squeezing the pincers When the head 122,222, the ball 124,224 is squeezed by the inner wall of the concave cavity 1211,2211, and will retract the through hole 1221a, 2221a, so that the pliers head 122,222 can be freely expanded and contracted, when the ball 124,224 with the pliers When the head 122, 222 moves to a position aligned with other grooves 1211a, 2211a, the balls 124, 224 re-extend the through holes 1221a, 2221a under the elastic force of the spring 123, 223 and are embedded in the grooves 1211a, 2211a. 2211a forms a snap-fit limit fit to limit the expansion and contraction of the pliers head 122, 222 and play the role of positioning. The structure is simple and easy to use.

The above-mentioned pliers ends 1222, 2222 are flat, and their circumferential contours are arc-shaped transition connections. The opposite surfaces of the two pliers ends 1222, 2222 are in the form of intermeshing zigzags 1222a, 2222a. The first enlarged body 31 and the second The end faces of the two enlarged bodies 32 are provided with a word groove or a cross groove. The outer profile of the preferred pliers head end 1222, 2222 can be oval or other arc-shaped structure, in order to avoid the existence of edges and corners to scratch the inner wall of the uterine cavity, the serrated 1222a, 2222a is set to increase the contact area, so that the clamping It is more firm, and the setting of the slot or cross groove is to facilitate the rotation of the first hinge shaft 33 or the second hinge shaft 34, which has a simple structure and is easy to process.

The utility model is not limited to the above-mentioned specific implementation manners, those skilled in the art can adopt various other specific implementation modes to implement the utility model according to the disclosed content of the utility model, or whoever adopts the design structure and ideas of the utility model, Do simple changes or changes, all fall into the protection scope of the present utility model.

Claims (5)

1. a kind of uterine cavity ring-removing forceps, including hinged the first caliper and the second caliper, the both ends of the first caliper are respectively arranged with One handle and the first binding clip, the both ends of the second caliper are respectively arranged with second handle and the second binding clip, it is characterised in that: described It is provided with several hinge holes being spaced apart along its length on one caliper and the second caliper, is worn on one of hinge hole Equipped with articulated shaft, the both ends of articulated shaft are provided with the first enlarged body for constituting limit cooperation with the first caliper and the second caliper respectively With the second enlarged body, the articulated shaft and hinge hole constitute detachable setting.

2. uterine cavity ring-removing forceps according to claim 1, it is characterised in that: the articulated shaft includes the first hinge being mutually inserted Spindle and the second articulated shaft, the first enlarged body are located on the first articulated shaft, and the second enlarged body is located on the second articulated shaft, and described It is provided with the slot for the insertion of the second articulated shaft on one articulated shaft, L-shaped card slot is provided on the inner wall of slot, second is hinged The fixture block being adapted to card slot, the first articulated shaft and the second articulated shaft is provided on the outer wall of axis to be made up of axially card slot and fixture block Sliding is arranged and circumferentially rotates setting.

3. uterine cavity ring-removing forceps according to claim 2, it is characterised in that: axis of the one end of the card slot along the first articulated shaft Axial direction part is formed to being extended, the other end is arranged to form circumferential sections along the circumferentially extending of the first articulated shaft, the inner wall of circumferential sections The mobile limit salient point of the upper restricted fixture block of setting, limit salient point and fixture block constitute limit setting.

4. uterine cavity ring-removing forceps according to claim 1 or 2 or 3, it is characterised in that: first binding clip and the second binding clip are equal Including the interconnecting piece being mutually inserted and binding clip portion, interconnecting piece is wholely set with respective first caliper and the second caliper respectively, even The cavity of one end insertion for binding clip portion is provided in socket part, the one end in binding clip portion, which is plugged in cavity, forms connecting pin, another End is clamp headend, is provided with through-hole on the connecting pin, the axial direction of through-hole and the length direction of connecting pin are vertical, wear in through-hole There is spring, the both ends of spring are respectively connected with ball, the groove being adapted to ball are provided on the inner wall of cavity, ball is in spring Effect is lower can be embedded the clamping limit cooperation that interconnecting piece and binding clip portion are constituted in groove, and groove is between the length direction of interconnecting piece Every several are distributed with.

5. uterine cavity ring-removing forceps according to claim 4, it is characterised in that: the clamp headend is in flat, circumferential profile For arc-shaped transition connection, the opposite face of two clamp headends is in intermeshing zigzag, first enlarged body and the second enlarged body End face on be provided with flat recess or cross recess.