CN209847477U

CN209847477U - Stent implantation device in visible state

Info

Publication number: CN209847477U
Application number: CN201822048739.6U
Authority: CN
Inventors: 徐传友; 盛健; 赵文俊
Original assignee: Nanjing Fa Maite Development In Science And Technology Co Ltd
Current assignee: Nanjing Fa Maite Development In Science And Technology Co Ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2019-12-27
Anticipated expiration: 2028-12-06

Abstract

The utility model discloses a stent implantation device under a visual state, which comprises an inner tube, a middle tube and an outer tube which are arranged from inside to outside in sequence, wherein the far end of the inner tube is inserted and connected with a flexible soft head, a stent is compressed in the space between the outer tube and the inner tube, and the two ends of the stent are respectively butted with the near end of the flexible soft head and the far end of the middle tube; the outer pipe can move back and forth relative to the middle pipe, and the outer pipe is withdrawn or the middle pipe and the inner pipe move forward together, so that the bracket is released from the space between the outer pipe and the inner pipe and restores to the original state; an electronic camera lens with an LED light source is arranged in the bendable soft head. The utility model discloses device is implanted to support under visual state utilizes the design that the soft head unilateral was crooked and takes light source electronic camera of operation silk drive, thereby can carry out visual soft head turn of passing through the human chamber smoothly under the operating button control and say bent angle department, can continue to carry out this apparatus or supplementary other apparatus and carry out the apparatus operation through this bent angle department afterwards.

Description

Stent implantation device in visible state

Technical Field

The utility model relates to a device is implanted to the support in medical instrument field especially relates to a device is implanted to support under visual state.

Background

Interventional therapy is a new subject integrating image diagnosis and clinical therapy, and since interventional devices are guided into human body focuses through natural ducts or tiny wounds of the human body under the guidance of image equipment for minimally invasive therapy, the interventional therapy has the advantages of accuracy, safety, high efficiency, wide adaptation diseases, few complications, small wounds, rapid postoperative recovery and the like, becomes a preferred treatment method for some diseases, and becomes one of three clinical supporting subjects parallel to the traditional internal and external subjects. When the common implanter enters the bend of the human body cavity, the common implanter can not continuously pass through the bend, thereby causing great operation risk or operation failure. By introducing the far-end visible and bendable implanting device, when a product enters the human body cavity bend angle under the visible state, the far-end visible and bendable implanting device can enable the far-end to be bent to smoothly pass through the human body cavity bend angle, so that the operation can be smoothly, safely and efficiently carried out

Therefore, there is a need to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a pass through human chamber channel bent angle department smoothly under visual state, the support implantation device under visual state that makes the operation can go on safely high-efficiently smoothly.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a stent implantation device under a visual state, which comprises an inner tube, a middle tube and an outer tube which are arranged from inside to outside in sequence, wherein the distal end of the inner tube is connected with a flexible soft head in an inserting way, a stent is compressed in the space between the outer tube and the inner tube, and two ends of the stent are respectively butted with the near end of the flexible soft head and the distal end of the middle tube; the outer pipe can move back and forth relative to the middle pipe, and the outer pipe is withdrawn or the middle pipe and the inner pipe move forward together, so that the bracket is released from the space between the outer pipe and the inner pipe and restores to the original state; an electronic camera lens with an LED light source is arranged in the bendable soft head.

The flexible soft head comprises a soft head part and a columnar flexible connecting part, wherein the outer wall of the columnar flexible connecting part is uniformly provided with a plurality of grooves and a plurality of connecting discs; the flexible soft head is symmetrically connected with operation wires for controlling the bending of the flexible soft head, the far ends of the operation wires are fixedly connected with the soft head and sequentially penetrate through the connecting disc and the inner tube and extend out, and the operation wires can be pulled to drive the flexible soft head to be bent.

Preferably, the soft head portion and the columnar bendable connecting portion are both integrally formed.

Furthermore, the near end of the outer pipe is connected with a front handle which can move back and forth along the outer wall of the middle pipe under the drive of the front handle; the near ends of the middle pipe and the inner pipe are connected with a rear handle, and the middle pipe and the inner pipe can move back and forth along the inner wall of the outer pipe under the driving of the rear handle.

Furthermore, the operating wire penetrates through the inner tube and is fixedly connected with an operating button arranged on the rear handle, the operating button can move back and forth along the rear handle, and meanwhile the operating wire is pulled to drive the flexible soft head to deform and bend on one side.

Preferably, the rear handle is connected with a liquid injection joint which is communicated with the inner tube.

Preferably, the rear handle is connected with an electrical connector, and the electrical connector is communicated with the inner tube.

Furthermore, a boosting steel pipe is sleeved between the middle pipe and the inner pipe.

Further, the inner tube is the multi-chamber pipe, and its inside seal wire passageway, operation silk passageway, notes liquid passageway and electron line passageway have, set up the seal wire hole that is linked together with seal wire passageway on the flexible soft head, annotate the liquid hole that is linked together with annotating the liquid passageway, the operation silk connecting hole that is linked together with operation silk passageway to and the connecting hole that is connected with the inner tube.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: firstly, when the patient can not smoothly pass through the human body cavity bend angle in the operation, the visible stent implantation device of the utility model utilizes the operating wire to drive the design of the single-side bending of the soft head and the electronic camera with the light source, can visually control the turning of the soft head through the operating button so as to smoothly pass through the human body cavity bend angle, and then can continue to operate the device or assist other devices to operate the device through the bend angle; the utility model greatly simplifies the operation difficulty and perforation risk when the instrument passes through the human body cavity bend angle, saves the operation time, improves the operation safety, is suitable for the interventional image treatment and examination of the alimentary canal and the respiratory tract; secondly, the inner tube of the utility model is designed into a multi-cavity tube, which changes the traditional interventional therapy, needs to repeatedly and alternately replace various instruments in the operation process, has long time and high difficulty, is easy to generate malignant medical accidents such as perforation and the like; the intervention operation is greatly simplified, the operation safety is improved, the using amount of instruments is reduced, and the medical expense of patients is further reduced; the utility model discloses changed traditional intervention operation and needed to go on under the X line is supplementary, need repeat the multiple apparatus of cross substitution in the operation process, the long degree of difficulty of time is high, take place pernicious medical malpractice such as perforation easily, and long-time X line shines and all has certain health injury to patient in the art and medical staff.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic end view of the inner tube of the present invention;

FIG. 3 is a schematic cross-sectional view of the bendable soft head of the present invention;

fig. 4 is a schematic end view of the flexible soft head of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to a stent implantation device under visual state, including inner tube 1, well pipe 2, outer tube 3, flexible soft head 4, support 5, operating filament 6, preceding handle 7, back handle 8, operating button 9, annotate liquid joint 10, boosting steel pipe 11, electron camera lens 12 and electrical apparatus joint 13. The inner tube 1, the middle tube 2 and the outer tube 3 of the utility model are arranged from inside to outside in sequence, a bracket 5 is compressed in the space between the outer tube 3 and the inner tube 1, and the two ends of the bracket 5 are respectively abutted with the near end of the flexible soft head 4 and the far end of the middle tube 2; the near end of the outer tube 3 is connected with a front handle 7 which can move back and forth along the outer wall of the middle tube 2 under the drive of the front handle 7; the near ends of the middle tube 2 and the inner tube 1 are connected with a rear handle 8, and the middle tube and the inner tube can move back and forth along the inner wall of the outer tube 3 under the drive of the rear handle 8; the outer tube 3 is withdrawn or the middle tube 2 and the inner tube 1 are moved forward together, so that the stent 5 is released from the space between the outer tube 3 and the inner tube 1 and is restored to the original state. The outer pipe of the utility model is made of polytetrafluoroethylene material; the length can be made to different preferred lengths according to different needs for breathing, digestive tract, etc. The outer tube is used for cooperating with the flexible soft head to pass through the cavity of the human body together, so that other instruments or parts can pass through the required part smoothly. The middle tube of the utility model is used for pushing out the bracket in the outer tube to reach the lesion part of the natural cavity of the human body. The front handle is used for holding the part of an operator in the process of the implanter entering the human body cavity. As shown in fig. 2, the inner tube 1 of the present invention is a multi-lumen tube, and has a guide wire channel 101, an operation wire channel 102, a liquid injection channel 103, and an electronic wire channel 104 therein, wherein the number of the operation wire channels 102 is 2. The boosting steel pipe 11 is sleeved between the middle pipe 2 and the inner pipe 1, and the boosting steel pipe 11 is used for enhancing the strength of the middle pipe 2 and the inner pipe 1, so that when the bracket 5 is pushed out from the outer pipe 3, the middle pipe 2 and the inner pipe 1 provide enough supporting force without bending. The rear handle is used for pushing out the force application point of the stent, and each cavity in the inner tube needs to be connected with other instruments through the rear handle. The rear handle 8 is connected with a liquid injection connector 10, the liquid injection connector 10 is communicated with a liquid injection channel 103 of the inner tube 1, the rear handle 8 is connected with an electrical connector 13, the electrical connector 13 is communicated with an electronic wire channel of the inner tube 1 and is electrically connected with the electronic camera lens 12, and images shot by the electronic camera lens are transmitted to external equipment, so that visual operation is facilitated.

As shown in fig. 3 and 4, the distal end of the inner tube 1 of the present invention is inserted and connected with a flexible soft head 4, and the flexible soft head 4 is symmetrically connected with an operation wire 6 for controlling the bending thereof. The flexible soft head 4 comprises a soft head part 401 and a columnar flexible connecting part 402, wherein the outer wall of the columnar flexible connecting part 402 is uniformly provided with a plurality of grooves and a plurality of connecting discs 403; the distal end of the operating wire 6 is fixedly connected with the soft head 401 and passes through the connecting disc 403 in turn. Wherein the soft head portion 401 and the columnar bendable connecting portion 402 can be integrally formed, and the electronic camera lens 12 is disposed in the soft head portion 401. The flexible soft head 4 is provided with a guide wire hole 404 communicated with the guide wire passage 101, an injection hole 405 communicated with the injection passage 103, an operation wire connecting hole 406 communicated with the operation wire passage 102, and a connecting hole 407 connected with the inner tube 1. The operating wire 6 passes through the operating wire channel 102 of the inner tube 1 and is fixedly connected with the operating button 9 arranged on the rear handle 8, the operating button 9 can move back and forth along the rear handle 8, and simultaneously the operating wire 6 is pulled to drive the flexible soft head 4 to deform and bend on one side. When the implantation device enters the human body cavity and meets a large bending angle part in the human body cavity, the soft head at the far end of the implantation device can be bent through the operating button on the rear handle, so that the bent far end of the implantation device smoothly passes through the bent part in the human body cavity.

The utility model can push the operating button to operate the flexible soft head at the far end of the implantation device after the stent implantation device in the visible state enters the human body cavity, so that the stent implantation device can smoothly pass through the human body cavity bend angle and reach the focus part; withdrawing the front handle and releasing the bracket between the inner pipe and the outer pipe; after reaching the designated position, the instrument can be alternately matched with other instruments for use. When the flexible guide wire is used, the front and back movement of the operating button 9 drives the operating wire to act and enables the flexible soft head to be deformed and bent on one side through the image of the electronic camera lens, so that the aim that the guide wire smoothly passes through the bent part in the intestinal tract is fulfilled.

Claims

1. A stent implantation device in a visible state, comprising: the flexible pipe joint comprises an inner pipe (1), a middle pipe (2) and an outer pipe (3) which are sequentially arranged from inside to outside, wherein a flexible soft head (4) is connected to the far end of the inner pipe (1) in an inserting mode, a support (5) is compressed in a space between the outer pipe (3) and the inner pipe (1), and two ends of the support (5) are respectively abutted to the near end of the flexible soft head (4) and the far end of the middle pipe (2); the outer pipe (3) can move back and forth relative to the middle pipe (2), the outer pipe (3) is withdrawn or the middle pipe (2) and the inner pipe (1) move forward together, so that the support (5) is released from the space between the outer pipe (3) and the inner pipe (1) and restores to the original state; an electronic camera lens (12) with an LED light source is arranged in the bendable soft head (4).

2. The stent implantation device in a visible state according to claim 1, wherein: the bendable soft head (4) comprises a soft head part (401) and a columnar bendable connecting part (402), wherein the outer wall of the columnar bendable connecting part (402) is uniformly provided with a plurality of grooves and a plurality of connecting discs (403); the flexible soft head (4) is symmetrically connected with operation wires (6) used for controlling the bending of the flexible soft head (4), the far ends of the operation wires (6) are fixedly connected with the soft head (401), sequentially penetrate through the connecting disc (403) and the inner tube (1) and extend out, and the flexible soft head (4) can be driven to bend by pulling the operation wires (6).

3. The visual stent implantation device according to claim 2, wherein: the soft head part (401) and the columnar bendable connecting part (402) are integrally formed.

4. The visual stent implantation device according to claim 2, wherein: the near end of the outer pipe (3) is connected with a front handle (7), and the outer pipe can move back and forth along the outer wall of the middle pipe (2) under the driving of the front handle (7); the near ends of the middle pipe (2) and the inner pipe (1) are connected with a rear handle (8), and the middle pipe and the inner pipe can move back and forth along the inner wall of the outer pipe (3) under the driving of the rear handle (8).

5. The stent implantation device in a visible state according to claim 4, wherein: the operation wire (6) penetrates through the inner tube (1) and is fixedly connected with an operation button (9) arranged on the rear handle (8), the operation button (9) can move back and forth along the rear handle (8), and meanwhile the operation wire (6) is pulled to drive the flexible soft head (4) to deform and bend on one side.

6. The stent implantation device in a visible state according to claim 4, wherein: the rear handle (8) is connected with a liquid injection joint (10), and the liquid injection joint (10) is communicated with the inner tube (1).

7. The stent implantation device in a visible state according to claim 4, wherein: the rear handle (8) is connected with an electrical appliance connector (13), and the electrical appliance connector (13) is communicated with the inner tube (1).

8. The stent implantation device in a visible state according to claim 1, wherein: a boosting steel pipe (11) is sleeved between the middle pipe (2) and the inner pipe (1).

9. The stent implantation device in a visible state according to claim 1, wherein: inner tube (1) is the multi-chamber pipe, and its inside has seal wire passageway (101), operation silk passageway (102), annotates liquid passageway (103) and electron line passageway (104), set up on flexible soft head (4) with seal wire hole (404) that seal wire passageway (101) are linked together, annotate liquid hole (405) that are linked together with annotating liquid passageway (103), operation silk connecting hole (406) that are linked together with operation silk passageway (102) to and connecting hole (407) that are connected with inner tube (1).