CN207822165U - Nose bile drainage apparatus - Google Patents

Abstract

The utility model provides a nasal bile duct drainage device, which comprises a nasobiliary duct, a drainage tube, a drainage bag, a protective cap sheathed and fixed on the nasobiliary duct, a connecting head sheathed and fixed on the drainage tube, and an adjusting sleeve clamp One end of the drainage tube communicates with the nasobiliary duct, and the other end communicates with the drainage bag; the outer side of the protective cap is provided with a first thread, and the outer side of the connector is provided with a thread with the first thread The second screw thread in the opposite direction, the inner wall of the adjusting sleeve clamp is provided with adjusting screw threads formed by extending the two ends of the adjusting sleeve clamp to the middle respectively, and the adjusting screw threads are respectively connected with the first screw thread and the first screw thread. The second screw thread cooperates to form a threaded connection, and the protective cap and the connecting head move relative to each other by rotating the adjusting sleeve clamp to form an abutment and enclose a sealed space. Compared with related technologies, the nasobiliary drainage device of the utility model is not easy to fall off, has good reliability, is convenient for nursing operation, and is safe and hygienic.

Description

Nasobiliary Drainage Device

technical field

The utility model relates to the field of medical equipment, in particular to a nasobiliary drainage device.

Background technique

Endoscopic Nasobiliary Drainage (ENBD) is established on the basis of diagnostic retrograde cholangiopancreatography (ERCP) and is a relatively common endoscopic biliary drainage method. ENBD is a common, simple and effective method for relieving biliary obstruction in hepatobiliary and pancreatic surgery. After ENBD, it is necessary to establish an extracorporeal drainage channel for bile, which is mainly used for bile drainage and can also be used for angiographic diagnosis at the same time. In order to ensure effective drainage and observation after operation, it is very important that the nasobiliary duct is tightly connected with the drainage bag.

A nasobiliary drainage device in the related art includes a nasobiliary duct and a drainage bag connected to the nasobiliary duct through a drainage tube.

However, in the related art, when the sealing interface of the nasobiliary duct is connected to the drainage tube of the drainage bag, because the joint diameter of the drainage tube is too large, it does not coincide with the sealing interface at the end of the nasobiliary duct body, and cannot be sealed with the sealing interface at the end of the nasobiliary duct body. The interface is directly connected. In clinical practice, some people will use the syringe needle to connect, connect the sealed interface end of the nasobiliary duct to the large diameter end of the syringe needle, and connect the drainage tube to the small diameter end of the syringe needle to solve the above connection problem. However, in this way, the syringe needle and the drainage tube or nasobiliary duct often fall off due to the patient's movement during the drainage process, which easily contaminates the hospital bed, causing inconvenience in nursing operations, and inaccurate drainage observation.

Therefore, it is necessary to provide a new nasobiliary drainage device to solve the above problems.

Utility model content

The technical problem to be solved by the utility model is to provide a nasobiliary drainage device with good reliability, convenient nursing operation, safety and sanitation.

In order to solve the above-mentioned technical problems, the utility model provides a nasobiliary drainage device, comprising a nasobiliary duct, a drainage tube, a drainage bag, a protective cap that is sleeved and fixed on the nasobiliary duct near one end of the drainage tube, and is sleeved and fixed on the The connector at one end of the drainage tube close to the nasobiliary duct and the adjusting sleeve clamp used to sleeve and engage with the protective cap and the connector at the same time; one end of the drainage tube communicates with the nasobiliary duct, The other end communicates with the drainage bag; the outer diameter of the protective cap is the same as that of the connecting head, the outer side of the protective cap is provided with a first thread, and the outer side of the connecting head is provided with a A second thread with an opposite thread direction. The inner wall of the adjusting sleeve clamp is provided with adjusting threads formed by extending the two ends of the adjusting sleeve clamp to the middle respectively. The adjusting threads include mutually spaced and Two parts with the same thread direction, the adjustment threads of the two parts cooperate with the first thread and the second thread respectively to form a threaded connection, and the protective cap is connected to the The relative movement of the connecting heads forms an abutment and encloses a sealed space.

Preferably, the adjusting sleeve clamp further includes a sealing washer fixed on the inner side wall thereof, and the sealing washer is located between the two parts of the adjusting thread.

Preferably, the adjustment sleeve clamp includes a cylindrical main cylinder wall, a connecting shaft and an adjustment handle, the adjustment thread is arranged on the inner side of the main cylinder wall, and the main cylinder wall includes The hinged left clamping wall part and the right clamping wall part, the adjustment handle is formed by the extension of the left clamping wall part and the right clamping wall part, and the left clamping wall part and the The right clamping wall parts respectively rotate around the connection shafts and are relatively opened.

Preferably, the inner side of the end of the drainage tube close to the nasobiliary duct is provided with a ring-shaped cork fixed on the inner side, and the inner diameter of the cork is equal to the outer diameter of the nasobiliary duct.

Compared with the related technology, the nasobiliary duct drainage device of the present utility model sets and fixes the protective cap on the nasobiliary duct, and the protective cap is provided with a first thread, and simultaneously sets and fixes the protective cap on the drainage tube. The connecting head, and the connecting head is provided with a second thread, and the adjusting sleeve clip is used to sleeve the protective cap and the connecting head at the same time, and the protective cap is made by rotating the adjusting sleeve clip. Relative movement with the connecting head forms abutment and encloses a sealed space, realizes the communication between the nasobiliary duct and the drainage tube, and the two are fixed. The above structure makes the connection between the nasobiliary duct and the drainage tube firm and reliable. It is strong, and avoids the problems of nursing pollution and inaccurate observation caused by the drainage tube and nasobiliary tube falling off easily. When replacing the drainage tube, it can be completed by only rotating the adjustment sleeve clip, and the nursing operation is simple and convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model nasobiliary drainage device;

Fig. 2 is the structural decomposition schematic diagram of the utility model nasobiliary drainage device;

Fig. 3 is the structure schematic diagram of the adjustment sleeve clip of the nasobiliary duct drainage device of the present invention;

FIG. 4 is a partial structural sectional view of FIG. 3 .

Detailed ways

The utility model will be further described below in conjunction with drawings and embodiments.

Please refer to Figs. 1-2 at the same time, wherein Fig. 1 is a schematic diagram of the structure of the nasobiliary drainage device of the present invention; Fig. 2 is a schematic diagram of an exploded structure of the nasobiliary drainage device of the present invention. The utility model provides a nasal bile duct drainage device 100 , which includes a nasobiliary duct 1 , a drainage tube 2 , a drainage bag 3 , a protective cap 4 , a connecting head 5 and an adjustment sleeve clip 6 .

The diameter of the nasobiliary duct 1 is smaller than that of the drainage tube 2 , and when the two are connected, the nasobiliary duct 1 can be inserted into the drainage tube 2 .

One end of the drainage tube 2 communicates with the nasobiliary duct 1 , and the other end communicates with the drainage bag 3 . More preferably, the inner side of one end of the drainage tube 2 close to the nasobiliary duct 1 is provided with a ring-shaped soft plug 21 fixed on the inner side, and the inner diameter of the soft plug 21 is the same as the outer diameter of the nasobiliary duct 1. equal in diameter. The above-mentioned structure makes when the nasobiliary duct 1 is inserted into the soft drainage tube 2, the soft plug 21 forms an engagement, which enhances the fastness and sealing of the combination of the two.

The protective cap 4 is sheathed and fixed on one end of the nasobiliary duct 1 close to the drainage tube 2 . The outer side of the protective cap 4 is provided with a first thread 41 .

The connecting head 5 is sheathed and fixed on one end of the drainage tube 2 close to the nasobiliary duct 1 . The outer side of the connecting head 5 is provided with a second thread 51 opposite to the thread direction of the first thread 41 .

In this embodiment, the outer diameter of the protective cap 4 is the same as that of the connecting head 5 .

The adjusting sleeve clip 6 is used to sleeve and engage with the protective cap 4 and the connecting head 5 at the same time, so as to form a fixed connection between the protective cap 4 and the connecting head 5, thereby realizing the connection of the nose The bile duct 1 and the drainage tube 2 form a fixed connection. When the nasobiliary duct 1 and the drainage tube 2 communicate, as the nasobiliary duct 1 is inserted into the drainage tube 2, the adjustment sleeve 6 will The protective cap 4 and the connecting head 5 form a fixed connection, and the insertion of the nasobiliary duct 1 into the drainage tube 2 also forms a fixed structure, which is not easy to fall off, and the structure is stable and reliable.

Please refer to FIGS. 3-4 in combination, wherein FIG. 3 is a structural schematic diagram of the adjustment sleeve clamp of the nasobiliary drainage device of the present invention; FIG. 4 is a partial structural sectional view of FIG. 3 . Specifically, the inner side wall of the adjusting sleeve clamp 6 is provided with adjusting threads 61 extending from both ends of the adjusting sleeve clamp 6 to the middle respectively. The adjusting thread 61 includes two parts spaced apart from each other and having the same thread direction. Setting the adjusting thread 61 into two parts reduces the amount of the adjusting thread 61 to be processed on the one hand and improves efficiency, and on the other hand makes the protective cap 4 and the connecting head 5 abut more flexibly.

The adjusting threads 61 of the two parts respectively cooperate with the first thread 41 and the second thread 51 to form a threaded connection.

After the adjusting sleeve clip 6 is sleeved and engaged with the protective cap 4 and the connecting head 5 at the same time, by rotating the adjusting sleeve clip 6 in the same direction, the protective cap 4 passes through the first The thread 41 and the connecting head 5 move relatively (relatively move away from or relatively close to) along the adjusting thread 61 of the two parts respectively through the second thread 51 . Since the first thread 41 and the first thread 51 have opposite thread directions, relative movement relative to the rotation of the adjusting thread 61 is possible.

When moving relatively close to each other, the protective cap 4 and the connecting head 5 are relatively moved to form abutment, and at this time, the protective cap 4 and the connecting head 5 jointly enclose a sealed space. Then the nasobiliary duct 1 and the drainage tube 2 will not leak when they are connected to drain, and the operation is convenient and hygienic. In addition, the connection between the nasobiliary tube 1 and the drainage tube 2 is not easy to fall off through the fixation of the double-segment thread structure, and the reliability is good.

Of course, after the protective cap 4 and the connecting head 5 abut against each other and jointly form a sealed space, the nasobiliary tube 1 can be inserted into the drainage tube 2; The sealed space formed by the connecting head 5 is a transition chamber.

In order to further strengthen the airtightness of the sealed space enclosed by the protective cap 4 and the connecting head 5, more preferably, in this embodiment, the adjusting sleeve clamp 6 further includes a sealing gasket 62 fixed on its inner side wall , the sealing washer 62 is located between the two parts of the adjusting thread 61 . For example, it is located in the middle of the two parts of the adjusting thread 61 .

In this embodiment, in order to make the adjustment sleeve clamp 6 easier to operate, specifically, the adjustment sleeve clamp includes a cylindrical main cylinder wall 63 , a connecting shaft 64 and an adjustment handle 65 . Both the adjusting thread 61 and the sealing washer 62 are disposed inside the main cylinder wall 63 .

The main cylinder wall 63 includes a left clamping wall portion 631 and a right clamping wall portion 632 respectively hinged to the connecting shaft 64 . Both the left clamping wall part 631 and the right clamping wall part 632 are in the shape of a semicircle, and they together form the cylindrical main tube wall 63 . It should be noted that, under no external force, the left clamping wall portion 631 and the right clamping wall portion 632 are in a closed state.

The connecting shaft 64 is used to provide a restoring force for the left clamping wall portion 631 and the right clamping wall portion 632 to maintain the closed state without external force.

The adjusting handle 65 is formed by extending from the left clamping wall portion 631 and the right clamping wall portion 632 . By pressing the adjusting handle 65 , the left clamping wall portion 631 and the right clamping wall portion 632 are respectively rotated around the connecting shaft 64 and relatively opened. Similar to a clothes clip.

The setting of the above structure makes the adjustment sleeve clamp 6 more convenient and flexible to use. When the adjustment sleeve clamp 6 is sleeved on the protective cap 4 and the connector 5, only the adjustment sleeve needs to be rotated The clamp 6 can realize the relative movement of the two to realize abutting fit or separation, and because the connection stability of the thread structure is good, it is not easy to fall off, so that the connection between the nasobiliary tube 1 and the drainage tube 2 is more stable.

When the drainage tube 2 and the drainage bag 3 need to be replaced, the adjustment sleeve clip 6 can be directly rotated to separate the protective cap 4 from the connector 5; it is also possible to squeeze the adjustment handle 65 It is feasible to separate the left clamping wall part 631 from the right clamping wall part 632 to realize the separation of the protective cap 4 and the connecting head 5 for maintenance and replacement, and the operation is simple, flexible and fast.

In addition, when the outer diameters of the protective cap 4 and the connecting head 5 are relatively large, the adjusting sleeve clamp 6 can also be used, that is, the left clamping wall part 631 and the right clamping wall part 632 are sheathed The post-processing is relatively half-open and tends to be closed, which is also feasible.

Compared with the related technology, the nasobiliary duct drainage device of the present utility model sets and fixes the protective cap on the nasobiliary duct, and the protective cap is provided with a first thread, and simultaneously sets and fixes the protective cap on the drainage tube. The connecting head, and the connecting head is provided with a second thread, and the adjusting sleeve clip is used to sleeve the protective cap and the connecting head at the same time, and the protective cap is made by rotating the adjusting sleeve clip. Relative movement with the connecting head forms abutment and encloses a sealed space, realizes the communication between the nasobiliary duct and the drainage tube, and the two are fixed. The above structure makes the connection between the nasobiliary duct and the drainage tube firm and reliable. It is strong, and avoids the problems of nursing pollution and inaccurate observation caused by the drainage tube and nasobiliary tube falling off easily. When replacing the drainage tube, it can be completed by only rotating the adjustment sleeve clip, and the nursing operation is simple and convenient.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (4)

1. a nasobiliary drainage device, comprising a nasobiliary duct, a drainage tube and a drainage bag, one end of the drainage tube is communicated with the nasobiliary duct, and the other end is communicated with the drainage bag, it is characterized in that the nasobiliary duct drainage device It also includes a protective cap that is sleeved and fixed on the nasobiliary duct near the end of the drainage tube, a connector that is sleeved and fixed on the drainage tube near the end of the nasobiliary duct, and is used to simultaneously sleeve and bite on the The adjustment sleeve clip of the protective cap and the connecting head; the outer diameter of the protective cap is the same as that of the connecting head, the outer side of the protective cap is provided with a first thread, and the outer side of the connecting head is provided with As for the second thread opposite to the thread direction of the first thread, the inner wall of the adjustment sleeve clamp is provided with adjustment threads formed by extending the two ends of the adjustment sleeve clamp to the middle respectively, and the adjustment thread includes Two parts that are spaced apart from each other and have the same thread direction, the adjustment threads of the two parts cooperate with the first thread and the second thread respectively to form a threaded connection, and the protective sleeve is rotated by rotating the adjusting sleeve clamp. The cap moves relative to the connecting head to form an abutment and encloses a sealed space. 2. The nasobiliary drainage device according to claim 1, wherein the adjusting sleeve clamp further comprises a sealing washer fixed on its inner side wall, and the sealing washer is located between the two parts of the adjusting thread . 3. The nasobiliary drainage device according to claim 2, wherein the adjusting sleeve clamp comprises a cylindrical main wall, a connecting shaft and an adjusting handle, and the adjusting thread is arranged on the main wall The inner side of the main cylinder wall includes a left clamping wall part and a right clamping wall part respectively hinged with the connecting shaft. The adjustment handle is formed by extending the left clamping wall part and the right clamping wall part. Pressing the adjusting handle makes the left clamping wall part and the right clamping wall part respectively rotate around the connection shaft and relatively open. 4. The nasobiliary drainage device according to claim 1, characterized in that, the inner side of one end of the drainage tube near the nasobiliary duct is provided with a ring-shaped soft plug fixed on the inner side, and the soft plug The inner diameter is equal to the outer diameter of the nasobiliary duct.