CN211434655U

CN211434655U - Nasal bile duct oral cavity sleeving and taking device for ERCP (endoscopic retrograde cholangiopancreatography) operation

Info

Publication number: CN211434655U
Application number: CN201922045680.XU
Authority: CN
Inventors: 米娜; 朱志立; 黄曦
Original assignee: Second Affiliated Hospital Army Medical University
Current assignee: Second Affiliated Hospital Army Medical University
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-08
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a device is got with nose bile duct oral cavity cover in ERCP art, which comprises an outer shell, the inside of shell is provided with the movable block, movable block sliding connection is in the inside of shell, the both sides of movable block are provided with the second fixture block, two the second fixture block all with movable block fixed connection, the inside of movable block is provided with the fixed block, the inside position that corresponds the fixed block of movable block is provided with through the groove, the movable block is the integral type design with passing through the groove, the bottom of shell is provided with the elasticity soft rod, shell and elasticity soft rod fixed connection, the inside of elasticity soft rod is provided with pulls the rope. Through pressing down the third spring, pull the rope and take the fixed block to remove, the fixed block breaks away from the shell is inside, and the movable block removes under the elasticity of second spring, makes the movable block keep away from the one end of second fixture block and leaves the shell, and is closed with the shell, pulls out the pipeline of shell inside, and it is more convenient to make the pipeline of pulling out.

Description

Nasal bile duct oral cavity sleeving and taking device for ERCP (endoscopic retrograde cholangiopancreatography) operation

Technical Field

The utility model relates to a medical equipment field, concretely relates to device is got with nose bile duct oral cavity cover in ERCP art.

Background

Endoscopic nasobiliary drainage (ENBD) is an endoscopic treatment method in which a nasobiliary tube is placed in a proper position of a biliary tube through a duodenoscope and is finally led out from a nasal cavity on one side of a patient to drain bile above a bile duct blockage position or a lesion position to the outside of the body.

The prior art has the following defects: after the front end of the disposable catheter is inserted into the nasal cavity, a patient is ordered to open the mouth and is clamped by oval forceps or tweezers, the mucous membrane of the pharyngeal portion is easy to be injured, the depth of inserting the disposable catheter is not easy to grasp, the catheter cannot be clamped by too short forceps, the disposable catheter is easy to pull out of the oral cavity due to too long forceps, and therefore inconvenience is brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is got with nose bile duct oral cavity cover in ERCP art, through pressing down the third spring, pull the rope and take the fixed block to remove, the fixed block breaks away from the shell is inside, and the movable block removes under the elasticity of second spring, makes the movable block keep away from the one end of second fixture block and leaves the shell, and is closed with the shell, pulls out the inside pipeline of shell, and it is more convenient to make the pipeline of pulling out to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a nasobiliary tube oral cavity sleeving and taking device for ERCP (endoscopic retrograde cholangiopancreatography) surgery comprises a shell, wherein a moving block is arranged inside the shell and is connected inside the shell in a sliding manner, second clamping blocks are arranged on two sides of the moving block, the two second clamping blocks are fixedly connected with the moving block, a fixed block is arranged inside the moving block, a through groove is formed in the position, corresponding to the fixed block, inside the moving block, the moving block and the through groove are designed in an integrated manner, an elastic soft rod is arranged at the bottom of the shell and is fixedly connected with the shell, a pulling rope is arranged inside the elastic soft rod, the elastic soft rod is connected with the pulling rope in a sliding manner, first clamping blocks are arranged on two sides of the fixed block, the two first clamping blocks are fixedly connected with the fixed block, a squeezing block is arranged inside a handle, and the squeezing block is connected with the handle in, and a third spring is arranged in the extrusion block.

Preferably, the two second clamping blocks and the moving block are designed in an integrated manner, a second clamping groove is formed in the position, corresponding to the second clamping block, in the shell, and the two second clamping blocks are connected in the second clamping groove in the corresponding position in a sliding manner.

Preferably, the second clamping groove and the shell are designed in an integrated mode, a second spring is arranged inside the second clamping groove, one end, close to the second clamping block, of the second spring is welded with the second clamping block, and one end, far away from the second clamping block, of the second spring is welded with the shell.

Preferably, one end of the fixed block, which is close to the moving block, sequentially penetrates through the elastic soft rod and the moving block and extends into the shell.

Preferably, the axial cross-sectional shapes of the moving block and the housing are both arc-shaped, the two first clamping blocks and the fixed block are designed in an integrated mode, a first clamping groove is formed in the position, corresponding to the first clamping block, in the elastic soft rod, and the first clamping block is connected to the inside of the first clamping groove in a sliding mode.

Preferably, the fixed block is close to the one end of dragging the rope and drags rope fixed connection, the inside of first draw-in groove is provided with first spring.

Preferably, the position of the first spring close to the first clamping block is fixedly connected with the first clamping block, and the position of the first spring far away from the first clamping block is fixedly connected with the elastic soft rod.

Preferably, the end that the extrusion piece is close to and pulls the rope is laminated with pulling the rope mutually, the one end that the third spring is close to the extrusion piece is welded with the extrusion piece, the one end that the extrusion piece was kept away from to the third spring is welded with the handle.

In the technical scheme, the utility model provides a technological effect and advantage:

through pressing down the third spring, make the third spring extrusion drag the rope, drag the rope and take place deformation, drag the rope and be connected with the fixed block, drag the rope and remove the area and remove the fixed block to make the fixed block break away from the inside groove that passes through of shell, the movable block removes in the inside of shell under the elasticity of second spring, the one end that the second fixture block was kept away from to the messenger movable block leaves the shell, it is closed with the shell, pull out the pipeline of the inside 1 of shell, it is more convenient to make the pipeline of pulling out.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a longitudinal section of the present invention;

FIG. 2 is a partial longitudinal cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention;

FIG. 5 is a left side longitudinal sectional view of the handle of the present invention;

fig. 6 is a perspective view of the moving block of the present invention;

description of reference numerals:

1. a moving block; 2. a housing; 3. an elastic soft rod; 4. pulling the rope; 5. a handle; 6. a fixed block; 7. A first clamping block; 8. a first card slot; 9. a first spring; 10. a second card slot; 11. a second fixture block; 12. A second spring; 13. extruding the block; 14. a third spring; 15. through the slot.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a device for sleeving and taking the oral cavity of the nasobiliary duct for the ERCP operation as shown in figures 1-5, which comprises a shell 2, wherein a moving block 1 is arranged inside the shell 2, the moving block 1 is connected inside the shell 2 in a sliding way, two sides of the moving block 1 are provided with second clamping blocks 11, two second clamping blocks 11 are fixedly connected with the moving block 1, a fixed block 6 is arranged inside the moving block 1, a through groove 15 is arranged inside the moving block 1 corresponding to the position of the fixed block 6, the moving block 1 and the through groove 15 are designed in an integrated way, the bottom of the shell 2 is provided with an elastic soft rod 3, the shell 2 is fixedly connected with the elastic soft rod 3, a pulling rope 4 is arranged inside the elastic soft rod 3, the elastic soft rod 3 is connected with the pulling rope 4 in a sliding way, two sides of the fixed block 6 are provided with first clamping blocks 7, two first fixture block 7 all with fixed block 6 fixed connection, the inside of handle 5 is provided with extrusion piece 13, extrusion piece 13 and handle 5 sliding connection, the inside of extrusion piece 13 is provided with third spring 14.

Further, in the above technical solution, the two second fixture blocks 11 and the moving block 1 are designed in an integrated manner, a second clamping groove 10 is arranged in the housing 2 at a position corresponding to the second fixture block 11, and the two second fixture blocks 11 are both slidably connected in the second clamping groove 10 at the corresponding position, so that the second fixture blocks 11 can move conveniently;

further, in the above technical solution, the second card slot 10 and the housing 2 are designed in an integrated manner, a second spring 12 is arranged inside the second card slot 10, one end of the second spring 12 close to the second card block 11 is welded to the second card block 11, and one end of the second spring 12 far away from the second card block 11 is welded to the housing 2, so that the stability of the device is improved;

further, in the above technical solution, one end of the fixed block 6, which is close to the moving block 1, sequentially penetrates through the elastic soft rod 3 and the moving block 1, and extends into the housing 2, so that the fixation is firmer;

further, in the above technical solution, the axial cross-sectional shapes of the moving block 1 and the housing 2 are both arc-shaped, the two first clamping blocks 7 and the fixed block 6 are designed in an integrated manner, a first clamping groove 8 is formed in the position, corresponding to the first clamping block 7, inside the elastic soft rod 3, and the first clamping block 7 is slidably connected inside the first clamping groove 8, so that sliding is facilitated;

further, in the above technical solution, one end of the fixing block 6 close to the pulling rope 4 is fixedly connected with the pulling rope 4, and the first spring 9 is arranged inside the first clamping groove 8, so that the fixing is facilitated;

further, in the above technical solution, the position of the first spring 9 close to the first fixture block 7 is fixedly connected with the first fixture block 7, and the position of the first spring 9 far from the first fixture block 7 is fixedly connected with the elastic soft rod 3, so that the fixation is firmer;

furthermore, in the technical scheme, one end of the extrusion block 13 close to the pulling rope 4 is attached to the pulling rope 4, one end of the third spring 14 close to the extrusion block 13 is welded to the extrusion block 13, and one end of the third spring 14 far from the extrusion block 13 is welded to the handle 5, so that the fixing effect is better;

the implementation mode is specifically as follows: by extending the shell 2 into the oral cavity of a patient, inserting the front end of the disposable catheter into the nasal cavity, pressing the third spring 14 to extrude the pull rope 4 by the third spring 14, enabling the pull rope 4 to deform, enabling the pull rope 4 to be connected with the fixed block 6, enabling the fixed block 6 to move by the pull rope 4 to be moved and driving the fixed block 6 to move, thereby enabling the fixed block 6 to be separated from the through groove 15 in the shell 2, because the fixed block 6 does not block the moving block 1, the moving block 1 moves in the shell 2 under the elastic force of the second spring 12, enabling one end of the moving block 1 far away from the second clamping block 11 to leave the shell 2, closing the shell 2, pulling out the pipeline in the shell 2, because the inner surface diameter of the shell 2 conforms to the diameter of the pipeline, the pipeline is conveniently pulled out, the pipeline is more conveniently pulled out, after the front end of the disposable catheter is inserted into the nasal cavity, ordering the patient to open the mouth, the mucous membrane of the pharyngeal portion is easy to be injured by clamping, the depth of inserting the disposable catheter is not easy to be mastered, the catheter cannot be clamped by too short catheter, and the disposable catheter is easy to be pulled out of the oral cavity by too long catheter, thereby bringing inconvenience.

This practical theory of operation: through pressing third spring 14, dragging rope 4 and taking fixed block 6 to remove, fixed block 6 breaks away from the inside of shell 2, and movable block 1 moves under the elasticity of second spring 12, makes movable block 1 keep away from the one end of second fixture block 11 and leaves shell 2, closes shell 2, pulls out the inside pipeline of shell 2, and it is more convenient to make the pipeline of pulling out.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The device for sleeving and taking the nasobiliary tube oral cavity in the ERCP operation comprises a shell (2) and is characterized in that a moving block (1) is arranged inside the shell (2), the moving block (1) is connected inside the shell (2) in a sliding manner, second clamping blocks (11) are arranged on two sides of the moving block (1), the two second clamping blocks (11) are fixedly connected with the moving block (1), a fixing block (6) is arranged inside the moving block (1), a through groove (15) is arranged in the position, corresponding to the fixing block (6), inside the moving block (1), the moving block (1) and the through groove (15) are designed in an integrated manner, an elastic soft rod (3) is arranged at the bottom of the shell (2), the shell (2) is fixedly connected with the elastic soft rod (3), a pulling rope (4) is arranged inside the elastic soft rod (3), elasticity soft rod (3) with pull rope (4) sliding connection, the both sides of fixed block (6) all are provided with first fixture block (7), two first fixture block (7) all with fixed block (6) fixed connection, the inside of handle (5) is provided with extrusion piece (13), extrusion piece (13) and handle (5) sliding connection, the inside of extrusion piece (13) is provided with third spring (14).

2. The ERCP intraoperative nasobiliary duct oral cavity withdrawing device according to claim 1, wherein the two second clamping blocks (11) and the moving block (1) are integrally designed, a second clamping groove (10) is formed in the housing (2) corresponding to the position of the second clamping block (11), and the two second clamping blocks (11) are slidably connected to the corresponding position of the second clamping groove (10).

3. The ERCP intraoperative nasobiliary duct oral cavity withdrawing device according to claim 2, wherein the second clamping groove (10) and the housing (2) are designed in a one-piece manner, a second spring (12) is arranged inside the second clamping groove (10), one end, close to the second clamping block (11), of the second spring (12) is welded with the second clamping block (11), and one end, far away from the second clamping block (11), of the second spring (12) is welded with the housing (2).

4. The device for removing the oral cavity of the nasobiliary duct for the ERCP operation according to claim 1, wherein one end of the fixed block (6) close to the movable block (1) sequentially penetrates through the flexible rod (3) and the movable block (1) and extends to the inside of the housing (2).

5. The device for sleeving and taking the nasobiliary tube oral cavity in the ERCP operation as claimed in claim 1, wherein the movable block (1) and the housing (2) are both arc-shaped in axial cross section, the two first clamping blocks (7) and the fixed block (6) are designed in an integrated manner, a first clamping groove (8) is formed in the elastic soft rod (3) corresponding to the first clamping block (7), and the first clamping block (7) is slidably connected to the inside of the first clamping groove (8).

6. The device for sleeving the nasal bile duct with the oral cavity in the ERCP operation is characterized in that one end, close to the pulling rope (4), of the fixing block (6) is fixedly connected with the pulling rope (4), and a first spring (9) is arranged inside the first clamping groove (8).

7. The ERCP intraoperative nasobiliary duct oral cavity withdrawing device according to claim 6, wherein the first spring (9) is fixedly connected with the first fixture block (7) at a position close to the first fixture block (7), and the first spring (9) is fixedly connected with the flexible soft rod (3) at a position far away from the first fixture block (7).

8. The device for oral cavity extraction of the nasobiliary duct in the ERCP operation according to claim 1, wherein an end of the squeezing block (13) close to the pulling rope (4) is attached to the pulling rope (4), an end of the third spring (14) close to the squeezing block (13) is welded to the squeezing block (13), and an end of the third spring (14) far from the squeezing block (13) is welded to the handle (5).