CN219422915U

CN219422915U - Quick stripper for mucous membrane

Info

Publication number: CN219422915U
Application number: CN202320069792.2U
Authority: CN
Inventors: 孙会会; 许树长; 陈莹; 段光兵; 李博
Original assignee: Shanghai Tongji Hospital
Current assignee: Shanghai Tongji Hospital
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-28
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a quick mucous membrane stripper, which comprises: instrument body, flexible handle, tool bit and wing structure, the inboard of the one end of instrument body is movably provided with the tool bit, the outside of the one end of instrument body is provided with the wing structure, the wing structure is followed the radial outside extension of instrument body sets up, flexible handle set up in on the instrument body, flexible handle is used for control the tool bit stretches out or withdraws the one end of instrument body. Through the application of the utility model, the surgical instrument suitable for rapidly peeling the mucous membrane is provided, the peeling operation can be completed on the focus with larger area and adhesion in a short time, the operation doctor can conveniently perform the operation, the operation probability is further improved, and the occurrence rate of the adverse problems such as bleeding, perforation, incomplete peeling of the mucous membrane and the like is reduced.

Description

Quick stripper for mucous membrane

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a quick mucous membrane stripper.

Background

Digestive tract malignant tumors have high morbidity and mortality, and endoscopic treatment in early stages of digestive tract cancer is a key point for reducing the mortality. ESD surgery, i.e. endoscopic submucosal dissection, has become the major surgical solution for the current treatment of early tumors of the digestive tract, and is widely used for the treatment of early esophageal cancer, gastric cancer and colorectal cancer, especially for the treatment of patients with advanced age, multiple complications and intolerance to open surgery.

At present, the conventional ESD operation is to strip off a mucous membrane layer from a muscle layer by injecting a related medicament under mucous membrane, and mainly to make a cutting boundary point by a needle type incision knife respectively, then to open by the needle type incision knife, and finally to make a point by point incision and strip by an IT knife.

However, ESD surgery has high technical requirements for operators, long stripping time, high complication rate of bleeding, perforation and the like, and in addition, for some lesion positions with large areas and unclear boundaries, conventional ESD surgical instruments are particularly complicated in practical operation, are longer in time consumption, and the risks of bleeding, perforation, incomplete mucosa stripping and the like in the surgery are correspondingly increased along with the extension of the surgery time. Especially for early cancers of special parts, such as esophageal early cancers, once perforation occurs, serious complications such as esophageal tracheal fistula, esophageal mediastinal fistula and the like can be caused, and even life is endangered.

Disclosure of Invention

In view of the above, the present utility model provides a quick mucosa stripper, comprising: instrument body, flexible handle, tool bit and wing structure, the inboard of the one end of instrument body is movably provided with the tool bit, the outside of the one end of instrument body is provided with the wing structure, the wing structure is followed the radial outside extension of instrument body sets up, flexible handle set up in on the instrument body, flexible handle is used for control the tool bit stretches out or withdraws the one end of instrument body.

In another preferred embodiment, the wing structure comprises: the first wing body and the second wing body are respectively arranged at two sides of one end of the instrument body.

In another preferred embodiment, the length direction of the first wing body and the length direction of the second wing body are both extended along the length direction of the instrument body, and the width direction of the first wing body and the width direction of the second wing body are both extended along the radial direction of the instrument body.

In another preferred embodiment, further comprising: the electric knife connector is arranged at the other end of the instrument body and is connected with the knife head through a circuit.

In another preferred embodiment, the cutter head is provided with a water outlet channel along the axial direction.

In another preferred embodiment, further comprising: the water pump joint is arranged at the other end of the instrument body and is connected with the water outlet channel through a pipeline.

In another preferred embodiment, the cutter head comprises: the head is arranged at one end of the extension part, the extension part is arranged relative to the inner side of the head, which stretches into the instrument body, and the radial outer contour of the head is larger than that of the extension part.

In another preferred embodiment, the head and the extension are together arranged in a T-shaped configuration.

In another preferred embodiment, the instrument body comprises: the telescopic handle comprises a first part and a second part, wherein the inner side of one end of the telescopic handle is fixedly connected with the outer side of one end of the first part, the inner side of the other end of the telescopic handle and the second part can be arranged in a sliding manner, the telescopic handle can operatively drive the first part to be close to or far away from the second part, and the cutter head can movably extend out or retract back to the inner side of the other end of the first part.

In another preferred embodiment, a plurality of distance color rings are arranged on the outer side of one end of the instrument body, and the plurality of distance color rings are sequentially arranged along the axial direction of one end of the instrument body.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the surgical instrument suitable for rapidly peeling the mucous membrane is provided, the peeling operation can be completed on the focus with larger area and adhesion in a short time, the operation doctor can conveniently perform the operation, the operation probability is further improved, and the occurrence rate of the adverse problems such as bleeding, perforation, incomplete peeling of the mucous membrane and the like is reduced.

Drawings

FIG. 1 is an overall schematic view of a quick mucosa stripper of the present utility model;

FIG. 2 is a schematic view of the tool bit retraction of a quick mucosa stripper of the present utility model;

fig. 3 is a schematic view showing the extension of the cutter head of the quick mucosa stripper of the present utility model.

In the accompanying drawings:

1. an instrument body; 2. a telescoping handle; 3. a cutter head; 4. a wing structure; 5. a first wing body; 6. a second wing body; 7. an electric knife joint; 8. a water outlet channel; 9. a water pump joint; 10. a head; 11. an extension; 12. a first portion; 13. a second portion; 14. and a distance color ring.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1 to 3, a quick mucosa stripper of a preferred embodiment is shown, comprising: the device comprises a device body 1, a telescopic handle 2, a tool bit 3 and a wing structure 4, wherein the tool bit 3 is movably arranged on the inner side of one end of the device body 1, the wing structure 4 is arranged on the outer side of one end of the device body 1, the wing structure 4 extends outwards along the radial direction of the device body 1, the telescopic handle 2 is arranged on the device body 1, and the telescopic handle 2 is used for controlling the tool bit 3 to extend out of or retract into one end of the device body 1. Furthermore, by the combined use of the cutter head 3 and the wing structure 4, the mucous membrane of the focus part is convenient for medical staff to carry out peeling operation, and the device is particularly suitable for early cancer or submucosal bulge focus and esophageal lesions with the length of more than 3 cm; specifically, the cutter head 3 can be extended out from one end of the instrument body 1 to enter a working state through the telescopic handle 2, and marking and cutting operations are performed through the cutter head 3; then, the cutter head 3 is retracted to the inside of one end of the instrument body 1, and a peeling operation is performed by means of the wide surface area provided by the wing structure 4, thereby improving the operation efficiency.

Further, as a preferred embodiment, the wing structure 4 comprises: the first wing body 5 and the second wing body 6, the first wing body 5 and the second wing body 6 are respectively arranged at two sides of one end of the instrument body 1.

Further, as a preferred embodiment, the first wing body 5 and the second wing body 6 are symmetrically arranged about the central axis of the instrument body 1.

Further, as a preferred embodiment, the longitudinal direction of the first wing body 5 and the longitudinal direction of the second wing body 6 are both extended along the longitudinal direction of the instrument body 1, and the width direction of the first wing body 5 and the width direction of the second wing body 6 are both extended along the radial direction of the instrument body 1.

In a further embodiment of the utility model, the thickness of the first wing body 5 and the second wing body 6 is preferably 0.3mm.

In a further embodiment of the utility model, the first wing body 5 and the second wing body 6 are both arranged in an elongated sheet-like structure.

In a further embodiment of the utility model, the edges of the side of the first wing body 5 and the second wing body 6 away from the instrument body 1 are all smooth.

In a further embodiment of the present utility model, the first wing 5 and the second wing 6 each include a first wing portion and a second wing portion connected in sequence along the length direction thereof, and the second wing portion is disposed close to the telescopic handle 2 relative to the first wing portion, the width of the first wing portion along the length direction is kept unchanged, and the width of the second wing portion along the length direction is gradually reduced.

Further, as a preferred embodiment, the method further comprises: the electric knife joint 7, the electric knife joint 7 sets up in the other end of apparatus body 1, and electric knife joint 7 passes through the circuit and is connected with tool bit 3. Further, the knife head 3 can be connected with an electrosurgical host through the arrangement of the electrotome joint 7 and the circuit, so that the electrotome coagulation function is realized.

Further, as a preferred embodiment, the wing structure 4 may be of unitary construction with the instrument body 1, and may preferably be made of an insulating material.

Further, as a preferred embodiment, the wing structure 4 may have a conductive portion thereon, and the wing structure 4 may be made of a conductive material in its entirety or partially made of a conductive material to form the conductive portion, and the conductive portion may be connected to the blade terminal 7 through another line. Further, the healthcare worker is operable to energize the conductive portion on the wing structure 4 such that it produces the same electrotome effect as the blade 3, but the conductive portion has a surface area greater than the blade 3, thereby facilitating rapid dissection of large area lesions.

Further, as a preferred embodiment, when the conductive portion is made of a conductive material locally, the conductive portion may be located at the edge of the first wing 5 and/or the second wing 6 away from the instrument body 1 and be built into the first wing 5 and/or the second wing 6 and the instrument body 1 by the above-mentioned additional lines.

Further, as a preferred embodiment, the cutter head 3 is provided with a water outlet channel 8 along the axial direction.

Further, as a preferred embodiment, the water outlet channel 8 and the end of the cutter head 3 are formed with a water outlet, and the inner diameter of the water outlet is preferably 120um.

Further, as a preferred embodiment, the method further comprises: the water pump joint 9, the water pump joint 9 sets up in the other end of apparatus body 1, and water pump joint 9 passes through the pipeline and is connected with water outlet channel 8. Further, the water pump can be connected with an external water pump through the arrangement of the water outlet channel 8 and the water pump joint 9, so that the water pump sequentially passes through the water pump joint 9 and the water outlet channel 8 to perform water injection at the end part of the cutter head 3.

Further, as a preferred embodiment, the cutter head 3 includes: the head 10 is arranged at one end of the extension 11, the extension 11 is arranged at the inner side of the instrument body 1 relative to the head 10, and the radial outer contour of the head 10 is larger than the radial outer contour of the extension 11.

Further, as a preferred embodiment, the head 10 and the extension 11 are arranged together in a T-shaped configuration.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the utility model, the instrument body 1 is made of polytetrafluoroethylene material.

In a further embodiment of the utility model, the instrument body 1 is arranged in a generally circular tubular structure.

In a further embodiment of the utility model, the outer diameter of the instrument body 1 is preferably 2.3mm.

In a further embodiment of the utility model, the instrument body 1 comprises: the first part 12 and the second part 13, the inside of one end of the telescopic handle 2 is fixedly connected with the outside of one end of the first part 12, the inside of the other end of the telescopic handle 2 and the second part 13 can be arranged in a sliding manner, the telescopic handle 2 can operatively drive the first part 12 to be close to or far away from the second part 13, and the cutter head 3 can movably extend out of or retract into the inside of the other end of the first part 12. Further, the telescopic handle 2 can drive the first portion 12 to move axially, that is, when the first portion 12 is driven to a position close to the second portion 13, the cutter head 3 can extend relative to the first portion 12 because the distance from the cutter head 3 to the second portion 13 is kept unchanged; when the first portion 12 is brought away from the second portion 13, the first portion 12 moves in the direction of the cutter head 3 and causes the cutter head 3 to be retracted into the first portion 12.

In a further embodiment of the utility model, a plurality of distance color rings 14 are arranged on the outer side of one end of the instrument body 1, and the plurality of distance color rings 14 are sequentially arranged along the axial direction of one end of the instrument body 1. Further, the distance color ring 14 is made of a material with a color different from that of the instrument body 1, and the relative position of the instrument body 1 can be confirmed through the distance color ring 14, especially in the process of using the quick mucosa stripper and the endoscope in a matching way.

Further, as a preferred embodiment, the cutter head 3 is made of tungsten alloy material.

Further, as a preferred embodiment, the method further comprises: one end of the inner sleeve body is connected with the second part 13, the other end of the inner sleeve body is connected with the tool bit 3, the inner sleeve body is sleeved on the inner side of the instrument body 1, and the circuits and the pipelines can be accommodated on the inner side of the inner sleeve body. Further, a constant distance support is formed between the cutter head 3 and the second portion 13 by the inner sleeve.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A quick mucosa stripper comprising: instrument body, flexible handle, tool bit and wing structure, the inboard of the one end of instrument body is movably provided with the tool bit, the outside of the one end of instrument body is provided with the wing structure, the wing structure is followed the radial outside extension of instrument body sets up, flexible handle set up in on the instrument body, flexible handle is used for control the tool bit stretches out or withdraws the one end of instrument body.

2. The quick mucosa peeler according to claim 1, wherein said wing structure comprises: the first wing body and the second wing body are respectively arranged at two sides of one end of the instrument body.

3. The quick mucosa stripper according to claim 2, wherein the longitudinal direction of the first wing and the longitudinal direction of the second wing are both arranged along the longitudinal direction of the instrument body, and the width direction of the first wing and the width direction of the second wing are both arranged along the radial direction of the instrument body.

4. The quick mucosa peeler as in claim 1, further comprising: the electric knife connector is arranged at the other end of the instrument body and is connected with the knife head through a circuit.

5. The quick mucosa stripper as defined in claim 1, wherein said cutter head is axially provided with a water outlet passage.

6. The quick mucosa stripper of claim 5, further comprising: the water pump joint is arranged at the other end of the instrument body and is connected with the water outlet channel through a pipeline.

7. The quick mucosa stripper of claim 1, wherein the cutter head comprises: the head is arranged at one end of the extension part, the extension part is arranged relative to the inner side of the head, which stretches into the instrument body, and the radial outer contour of the head is larger than that of the extension part.

8. The quick mucosa stripper of claim 7, wherein the head portion and the extension portion are collectively disposed in a T-shaped configuration.

9. The quick mucosa stripper according to claim 1, wherein said instrument body comprises: the telescopic handle comprises a first part and a second part, wherein the inner side of one end of the telescopic handle is fixedly connected with the outer side of one end of the first part, the inner side of the other end of the telescopic handle and the second part can be arranged in a sliding manner, the telescopic handle can operatively drive the first part to be close to or far away from the second part, and the cutter head can movably extend out or retract back to the inner side of the other end of the first part.

10. The quick mucosa stripper as defined in claim 1, wherein a plurality of distance color rings are disposed on an outer side of one end of the instrument body, and a plurality of the distance color rings are sequentially disposed along an axial direction of one end of the instrument body.