CN109662743A - A kind of tissue retraction device of endoscope treatment - Google Patents
A kind of tissue retraction device of endoscope treatment Download PDFInfo
- Publication number
- CN109662743A CN109662743A CN201910157399.7A CN201910157399A CN109662743A CN 109662743 A CN109662743 A CN 109662743A CN 201910157399 A CN201910157399 A CN 201910157399A CN 109662743 A CN109662743 A CN 109662743A
- Authority
- CN
- China
- Prior art keywords
- knob
- holding rod
- needle
- endoscope treatment
- retraction device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of tissue retraction devices of endoscope treatment, and tissue retractor is the dumbbell shape structural body of both ends O-ring intermediate connections；Pusher includes tubule front end connection front end needle, rear end connection holding rod, from front end, needle rear end face axially inwardly opens up two lumens, lumen front end passes to front end needle perimeter surface and forms through-hole, knob is flexibly connected with holding rod relative shift, two one metal wires are through in the lumen of front end needle, and front end needle perimeter surface is exposed in front end, and the both ends O-ring hole of tissue retractor is stuck in front end of wire, wire rear end passes through hose hollow cavity, pierces into holding rod and connects with knob.The present invention can be at any time according to needing tissue retractor transendoscopic biopsy duct being sent into endoscopic surgery region in art, and without exiting scope, joint titanium folder may be implemented precisely to be drawn intracavitary, surgical procedure difficulty is effectively reduced, improves operative speed.
Description
Technical field
The present invention relates to medical auxiliary appliance field, more specifically, it relates to tissue retraction device in therapeutic endoscopy,
Including tissue retractor and its pusher.
Background technique
In recent years, with the fast development of therapeutic endoscopy technology, many therapeutic endoscopy New technical uses and give birth to, such as scope
Flesh under tumour evidement (ESE), endoscopic full-thickness resection (EFTR), oral scope under lower mucous membrane decollement (ESD), scope
Otomy (POEM) and through natural cavity endoscopic surgery (NOTES) etc..Due to the apparatus structure limitation of scope itself,
Tissue retraction cannot be carried out under mirror, to carry out many difficult and obstacles to treatment zone is implemented under scope.It is clinically at present to answer more
It is assisted in the treatment of with technologies such as dental floss tractions, but this traction technique has many limitations, implements comparatively laborious, Bu Nengman
Sufficient clinical demand.
It is drawn in order to preferably realize in endoscopic operation, provides the good visual field for endoscopic surgery, it is necessary to develop one kind more
Simple and effective traction device, endoscope doctor completes highly difficult endoscopic surgery, to improve surgical quality, reduces operation
Difficulty shortens operating time, increases operation safety, to effectively solve to realize this clinical hardly possible of accurate tissue retraction under scope
Topic.
Summary of the invention
For above the shortcomings of the prior art, the purpose of the present invention is to provide a kind of auxiliary to solve the above problems
The tissue retraction device of therapeutic endoscopy, can be easy tissue retractor is sent into perilesional region, need to cooperate with according to operation
Titanium folder precisely draws operative region destination organization, and flexibly traction tissue provides the good visual field to patient and endoscope operation is empty
Between, surgical procedure difficulty is effectively reduced, greatly improves operative speed.
To achieve the above object, the present invention provides the following technical scheme that
A kind of tissue retraction device of endoscope treatment, including tissue retractor and its pusher, the tissue retractor be
The dumbbell shape structural body of the both ends O-ring intermediate connections of flexibility high molecular material production；The pusher include front end needle,
Tubule, holding rod, knob and wire, tubule front end connects front end needle, rear end connects holding rod, axially inwardly from front end needle rear end face
Two lumens are opened up, lumen front end passes to front end needle perimeter surface and forms through-hole, and knob is flexibly connected with holding rod relative shift, and two
Wire is through in the lumen of front end needle, and front end needle perimeter surface is exposed in front end, and the both ends O-ring hole of tissue retractor is stuck in
In front end of wire, wire rear end passes through hose hollow cavity, pierces into holding rod and connects with knob.
The present invention is further improved technical solution, and the knob is flexibly connected with holding rod relative shift to be referred to, in holding rod
The through slot that a segment length is greater than handle length is excavated in lower part, and " T " word or " I " fonts knob are placed in through slot, upper end spring of shaking hands
It is connected to inside the holding rod of top.One hand holding rod, finger hook knob and shift up and down along holding rod, pull back or extend wire, will
The tissue retractor for being wound on front end of wire on the needle circumferential surface of front end is delivered to lesion surrounding position.
The further improved technology scheme of the present invention is that axial cylindrical slot, spring are equipped in the holding rod above the through slot
It is placed in cylinder groove, bottom end is connected on knob top.Spring is run relatively stable as in cylinder groove.
The further improved technology scheme of the present invention is that cylinder groove inner roof wall is equipped with down convex cylindrical body, and knob top is set
Pillar, pillar top open up annular groove, and spring top is socketed on the cylinder, and low-end card is on the cylinder in annular groove.Both ends of the spring
It is stuck on pillar, so that spring is fixed more firm,
The further improved technology scheme of the present invention is, the knob back side is equipped with axial pillar, opened up on holding rod through slot inner wall with it is convex
The limiting slot that column card is matched, limiting slot are longer than pillar, pillar displacement up and down in limiting slot.Knob is limited can only be above and below limiting slot
Displacement, not will shake left and right, and operability is more preferable.
The further improved technology scheme of the present invention is that the front end of the front end needle is awl-type.Hose is facilitated to enter people
Body.
The further improved technology scheme of the present invention is that the through-hole that lumen front end passes to front end needle perimeter surface is divided into up and down
Opposite.Tissue retractor is wrapped in front end needle, so that it expanded, opened, convenient for tying up fixation.
The further improved technology scheme of the present invention is the front end of wire bifurcated, and rear end synthesizes one, and formation is fallen
Y-shaped.Excess stock is reduced, and wire is facilitated to be recycled and discharged.
The further improved technology scheme of the present invention is that front end of wire is bent with grab.For hooking tissue retractor
Both ends of the hole, will not fall off during transportation.
The further improved technology scheme of the present invention is that the tissue retractor, tubule are medical grade silicon rubber, polytetrafluoroethyl-ne
Alkene film, one of polyurethane film or PA membrane, the holding rod, knob, front end needle are polythene material.
The invention has the advantages that:
Tissue retractor is fixed in pusher by the present invention using front end of wire, as needed at any time in art convenient for patient
Tractor is sent into endoscopic surgery region through scope duct, without exiting scope in art, tractor is sent to after operative region can be with
Joint titanium folder carries out precisely intracavitary traction to destination organization, can be with since the tissue retractor of use has good retraction elasticity
Guarantee continuous tractive effort in the course of surgery, provides the good visual field for patient, and do not influence endoscopic technic, it can also be in art
It is repeated multiple times as needed that multiple tissue retractors are sent into operative region, it enormously simplifies numerous when placing dental floss traction at present
Trivial process becomes traction more conveniently, safely and fast.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is tissue retractor structural schematic diagram of the present invention；
Fig. 3 is the front end needle and inside hose structural schematic diagram of front of the present invention；
Fig. 4 is the guard bar and knob schematic diagram of internal structure at rear portion of the present invention；
Fig. 5 is wire form schematic diagram of the present invention；
Fig. 6 present invention knob perspective view.
Specific embodiment
As shown in Figures 1 to 6, the present invention includes tissue retractor 6, pusher, and the tissue retractor 6 is flexibility height
Molecular material (such as medical grade silicon rubber) production both ends O-ring intermediate connections dumbbell shape structural body, length 1-10mm it
Between, both ends Circularhole diameter is between 1-5mm, and thickness is between 0-1.5mm；The pusher includes front end needle 5, tubule 4, holding rod
2, knob 3 and wire 7,4 front end of tubule connects front end needle 5, rear end connects holding rod 2, axially inwardly opens from 5 rear end face of front end needle
If two lumens 51,51 front end of lumen passes to front end needle perimeter surface and forms through-hole 52, and through-hole 52 is divided into lower opposite face, shakes hands
3 be flexibly connected with 2 relative shift of holding rod, in particular to, 2 middle and lower part of holding rod excavate a segment length be greater than handle length through slot
21, " I " fonts knob 3 is placed in through slot 21, and axial cylindrical slot 22, top in cylinder groove 22 are equipped in the holding rod of 21 top of through slot
Wall is equipped with down convex cylindrical body 23, and 3 top of knob sets pillar 31, annular groove 32 opened up at the top of pillar 31, spring 1 is placed in cylinder groove 22
Interior, top is socketed on cylindrical body 23, and low-end card is on the cylinder in annular groove 32.Wire 7 is through in the lumen 51 of front end needle,
5 perimeter surface of front end needle is exposed in front end, and the both ends O-ring hole of tissue retractor 6 is stuck on 7 front end of wire, in order to make group
It knits tractor 6 and is fixed on not easily to fall off on the needle of front end, 7 front end of wire is bent with grab, and 7 rear end of wire passes through in hose 4
Cavity pierces into the latch closure in holding rod 2 with 3 bottom ends of knob and is intertwined and connected.
It shakes hands in order to prevent double swerve, and the stroke that fixed knob moves up and down, 3 back sides of knob are equipped with axial pillar
33, open up on 2 through slot inner wall of holding rod and block the limiting slot matched with pillar 33, limiting slot is longer than pillar 33, pillar in limiting slot on
Lower displacement.
Enter human body for convenience of hose, the front end of the front end needle 5 is awl-type.
Tissue retractor 6 described herein, tubule 4 can be selected medical grade silicon rubber, polytetrafluoroethylene film, polyurethane film or
One of PA membrane；The holding rod 2, knob 3, front end needle 5 are polythene material；Wire, spring are medical not rusty gold
Belong to silk.
When production, two one metal wires are first each passed through to the lumen of front end needle, some phases outside Yu Qianduan needle rear end face
Commissure connects, and removes an extra one metal wire, forms the bifurcated of falling Y-shaped character.Then back-end metal silk initially passes through tubule, then wears
Into holding rod, it is connected with the latch closure of knob.Then tubule front end and front end needle rear end is bonding, then by tubule rear end and holding rod phase
Bonding.Spring is put into the cylinder groove of holding rod again, top is stuck on the cylindrical body in cylinder groove, then knob is inserted into holding rod
In through slot, match the annular groove of the pillar on its top with spring.Finally excess metal is pulled out from the through-hole of front end needle circumferential surface
Silk, cuts off redundance, and there are a part to expose.Tissue retractor is finally set to be wrapped in front end needle circumferential surface clockwise or counterclockwise
On, and it is separately fixed at the circular hole at tissue retractor both ends on the wire of exposing.
Tissue retractor is sent near endoscopic surgery lesions position using pusher, knob of pulling back, wire synchronizes back
It draws, extracts front end exposed portion out, discharge tissue retractor near lesion, then unclamp knob, and extract pusher out.In pine
When opening knob, due to spring force, wire returns, and can expose a part of wire in front end needle circumferential surface, can tie again
Tissue retractor is pricked, repeated multiple times conveying can be carried out.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of tissue retraction device of endoscope treatment, it is characterised in that: including tissue retractor (6) and its pusher,
The tissue retractor (6) is the dumbbell shape structural body of the both ends O-ring intermediate connections of flexibility high molecular material production；Institute
Stating pusher includes front end needle (5), tubule (4), holding rod (2), knob (3) and wire (7), and tubule (4) front end connects front end
Needle (5), rear end connection holding rod (2), axially inwardly open up two lumens (51), lumen (51) front end from front end needle (5) rear end face
It passes to front end needle perimeter surface and forms through-hole (52), knob (3) is flexibly connected with holding rod (2) relative shift, before wire (7) is through
In the lumen (51) for holding needle, front end needle (5) perimeter surface is exposed in front end, and the both ends O-ring hole of tissue retractor (6) is stuck in gold
Belong on silk (7) front end, wire (7) rear end passes through hose (4) hollow cavity, pierces into holding rod (2) and connect with knob (3).
2. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: the knob with
The flexible connection of holding rod relative shift refers to that the through slot (21) that a segment length is greater than handle length, " T " are excavated in holding rod (2) middle and lower part
Word or " I " fonts knob (3) are placed in through slot (21), and it is internal that knob (3) upper end spring (1) is connected to top holding rod (2).
3. a kind of tissue retraction device of endoscope treatment according to claim 2, it is characterised in that: the through slot
(21) axial cylindrical slot (22) are equipped in the holding rod above, spring (1) is placed in cylinder groove (22), and bottom end is connected to knob (3)
On top.
4. a kind of tissue retraction device of endoscope treatment according to claim 3, object sign are: cylinder groove (22)
Inner roof wall is equipped with down convex cylindrical body (23), is set pillar (31) at the top of knob (3), opens up annular groove (32), bullet at the top of pillar (31)
Spring (1) top is socketed on cylindrical body (23), and low-end card is on the cylinder in annular groove (32).
5. a kind of tissue retraction device of endoscope treatment according to claim 2, it is characterised in that: knob (3) back
Face is equipped with axial pillar (33), opens up on holding rod (2) through slot inner wall and blocks the limiting slot matched with pillar (33), limiting slot is longer than pillar
(33), pillar displacement up and down in limiting slot.
6. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: the front end needle
(5) front end is awl-type.
7. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: lumen front end is logical
Through-hole (52) to front end needle perimeter surface is divided into upper lower opposite face.
8. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: the wire
(7) front end bifurcated, rear end synthesize one, form Y-shaped.
9. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: wire (7)
Front end is bent with grab.
10. a kind of tissue retraction device of endoscope treatment according to claim 1, it is characterised in that: the tissue
Tractor (6), tubule (4) are medical grade silicon rubber, and polytetrafluoroethylene film, one of polyurethane film or PA membrane are described to hold
Bar (2), knob (3), front end needle (5) are polythene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157399.7A CN109662743A (en) | 2019-03-02 | 2019-03-02 | A kind of tissue retraction device of endoscope treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157399.7A CN109662743A (en) | 2019-03-02 | 2019-03-02 | A kind of tissue retraction device of endoscope treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109662743A true CN109662743A (en) | 2019-04-23 |
Family
ID=66151920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910157399.7A Pending CN109662743A (en) | 2019-03-02 | 2019-03-02 | A kind of tissue retraction device of endoscope treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109662743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956278A (en) * | 2020-08-18 | 2020-11-20 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
| WO2021008448A1 (en) * | 2019-07-15 | 2021-01-21 | 张强 | Traction core and traction device for endoscopic surgery |
-
2019
- 2019-03-02 CN CN201910157399.7A patent/CN109662743A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008448A1 (en) * | 2019-07-15 | 2021-01-21 | 张强 | Traction core and traction device for endoscopic surgery |
| CN111956278A (en) * | 2020-08-18 | 2020-11-20 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
| CN111956278B (en) * | 2020-08-18 | 2021-06-22 | 南阳市中心医院 | Tissue traction device for assisting endoscope treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2010069B1 (en) | Medical instrument to place a pursestring suture, open a hole and pass a guidewire | |
| US5195507A (en) | Endoscopic surgical instrument for displacing tissue or organs | |
| Huntington et al. | Techniques for measuring blood flow in splanchnic tissues of cattle | |
| JP4322669B2 (en) | Vascular collection retractor with separating member | |
| JP4690426B2 (en) | Tissue peeling tip and peeling device provided with the same | |
| US20230248950A1 (en) | Drainage Catheter System Including a Hub | |
| JP3232938U (en) | Tow device and tow ring for tow device | |
| CN213191995U (en) | Segmented adjustable bent sheath tube | |
| CN103690268B (en) | Left abomasal displacement operative reduction apparatus for cattle | |
| WO1987001027A1 (en) | A wound closure device | |
| CN109662743A (en) | A kind of tissue retraction device of endoscope treatment | |
| JP2003523789A (en) | Finger-guided surgical instrument | |
| CN103654992A (en) | Cow LDA operation reset device by pressing push needle | |
| CN103690267B (en) | Left cow abomasum displacement replacer with openable and closable launching tube | |
| RU2546097C1 (en) | Method for tongue and mouth floor repair | |
| CN109691970A (en) | A kind of novel percutaneous choledochoscope system through gall-bladder, Via bile duct | |
| CN201806690U (en) | Double-lumen gastroscope | |
| CN109620313A (en) | The pipeline instrument and method for implantation being implanted into for per anum colon under scope to small intestine | |
| Kirkup | Surgical history. The history and evolution of surgical instruments. VIII. Catheters, hollow needles and other tubular instruments. | |
| CN209136731U (en) | It is a kind of in removal surgery accidentally stitch drainage tube tool | |
| CN208926448U (en) | Vein stripping conduit | |
| CN209713006U (en) | The pipeline instrument being implanted into for per anum colon under scope to small intestine | |
| CN209186815U (en) | A kind of high ligation of hernial sac needle | |
| CN103654993B (en) | Telescopic-handle type cow LDA operation reset device | |
| KR102115663B1 (en) | System for marking lesion location in minimally invasive surgery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |