CN220069839U

CN220069839U - Mucous membrane incision sword

Info

Publication number: CN220069839U
Application number: CN202321698086.0U
Authority: CN
Inventors: 孙伟; 印杰
Original assignee: Changzhou Kasto Medical Technology Co ltd
Current assignee: Changzhou Kasto Medical Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-24
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the field of mucous membrane incision knives, in particular to a mucous membrane incision knife. The embodiment of the utility model provides a mucous membrane incision knife, which comprises the following steps: the device comprises a main push rod, a guide rod coaxially arranged at one side of the main push rod and a connecting mechanism arranged between the main push rod and the guide rod; the main push rod and the guide rod are respectively sleeved at two ends of the connecting mechanism; the main push rod is connected with a hand push block, and the hand push block is provided with a cutting mechanism; the cutting mechanism sequentially penetrates through the main push rod, the connecting mechanism and the guide rod; the connecting mechanism is in butt joint with the cutting mechanism and is suitable for being electrically connected with a power supply; the guide rod is communicated with the inner cavity of the cutting mechanism and is suitable for being connected with a water pipe. The water injection pipe is arranged on the guide rod so as to enable water to pass through the water inlet groove and finally be sprayed out of the cutter head, so that sundries at a focus can be cleaned through the cutter head, and observation is convenient. The conductive component is separated from the push block so as to avoid the disconnection of the conductive component and the boosting pipe.

Description

Mucous membrane incision sword

Technical Field

The utility model relates to the field of mucous membrane incision knives, in particular to a mucous membrane incision knife.

Background

In performing a lesion excision procedure, a physician typically needs to insert a mucotomy blade into the patient and energize the site of lesion growth with the mucotomy blade.

However, when the focus is resected, the focus cannot be resected completely by one-time electrifying, and the focus needs to be resected sequentially for a plurality of times, so that after the focus is destroyed by one-time electrifying, the mixture such as blood, water and the like in the focus flows out, and doctors are disturbed to observe the positions of the residual focus. Therefore, it is necessary to design a new type of mucosa cutting knife to solve the above problems.

Disclosure of Invention

The utility model aims to provide a mucous membrane incision knife so as to solve the problems.

In order to achieve the above object, an embodiment of the present utility model provides a mucosa cutting knife, including: the device comprises a main push rod, a guide rod coaxially arranged at one side of the main push rod and a connecting mechanism arranged between the main push rod and the guide rod;

the main push rod and the guide rod are respectively sleeved at two ends of the connecting mechanism;

the main push rod is connected with a hand pushing block, and the hand pushing block is provided with a cutting mechanism;

the cutting mechanism sequentially penetrates through the main push rod, the connecting mechanism and the guide rod; and

the connecting mechanism is abutted with the cutting mechanism and is suitable for being electrically connected with a power supply;

the guide rod is communicated with the inner cavity of the cutting mechanism and is suitable for being connected with a water pipe.

Further, the cutting mechanism comprises a boosting pipe, and the boosting pipe sequentially penetrates through the main push rod, the connecting mechanism and the guide rod;

the lateral wall of boost tube has seted up the intake groove, one side of guide arm is provided with the water injection pipe, the water injection pipe with guide arm inner chamber intercommunication.

Furthermore, sealing sleeves are respectively arranged at two ends of the guide rod, and the sealing sleeves are arranged between the boosting pipe and the guide rod.

Furthermore, positioning sleeves are respectively arranged at two ends of the guide rod, and are arranged outside the sealing sleeve;

the locating sleeve is abutted with the sealing sleeve, and the locating sleeve is in threaded connection with the guide rod.

Further, the cutting mechanism further comprises an extension pipe and a cutter head, wherein the extension pipe is connected with one end, far away from the boosting pipe, of the boosting pipe, and the cutter head is connected with one end, far away from the boosting pipe, of the extension pipe.

Further, the connecting mechanism comprises a connecting sleeve, a positioning seat arranged in the connecting sleeve and a conductive component arranged on the inner side of the positioning seat;

the two ends of the connecting sleeve are respectively connected with the main push rod and the guide rod;

the boosting pipe penetrates through the positioning seat;

one end of the conductive component is abutted with the boosting pipe.

Further, the conductive assembly comprises a conductive column, a conductive ball and a connecting spring, wherein the conductive column is connected with the positioning seat, and the conductive ball is abutted with the boosting pipe;

one end of the connecting spring is connected with the conductive ball, and the other end of the connecting spring is connected with the conductive column.

Further, a chute is formed in the main push rod, the hand pushing block is arranged in the chute in a sliding mode, and the hand pushing block is connected with the boosting pipe.

Further, the cutting mechanism further comprises a positioning ring, a ring groove is formed in one side, facing the boosting pipe, of the hand pushing block, the positioning ring is arranged in the ring groove, and the other end of the positioning ring is connected with the boosting pipe.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects: the water injection pipe is arranged on the guide rod so as to enable water to pass through the water inlet groove and finally be sprayed out of the cutter head, so that sundries at a focus can be cleaned through the cutter head, and observation is convenient. The conductive component is separated from the push block so as to avoid the disconnection of the conductive component and the boosting pipe.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 shows a perspective view of a mucoadhesive incision knife of the present utility model;

FIG. 2 shows a cross-sectional view of a hand block of the present utility model;

FIG. 3 shows a cross-sectional view of the guide rod of the present utility model;

FIG. 4 shows an exploded view of the connection mechanism of the present utility model;

fig. 5 shows a schematic connection of the lancing mechanism and the coupling mechanism of the present utility model.

In the figure:

1. a main push rod; 11. pushing the block; 111. a ring groove; 12. a chute;

2. a guide rod; 21. a water injection pipe; 22. sealing sleeve; 23. a positioning sleeve;

3. a connecting mechanism; 31. connecting sleeves; 32. a positioning seat; 33. a conductive assembly; 331. a conductive post; 332. a conductive ball; 333. a connecting spring;

4. a cutting mechanism; 41. a boosting pipe; 411. a water inlet tank; 42. an extension tube; 43. cutting head; 44. and a positioning ring.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

An embodiment, as shown in fig. 1 to 5, provides a mucosa cutting knife, including: a main push rod 1, a guide rod 2, a connecting mechanism 3 and a cutting mechanism 4. The main push rod 1 is adapted to push the slitting mechanism 4 to telescope. The guide rod 2 is adapted to guide an external water source into the lancing mechanism 4. The connection means 3 is adapted to be connected to an external power source for transferring electrical energy to the slitting means 4. The incision mechanism 4 can incise the focus under the drive of the main push rod 1 and spray water to the focus part to clean the focus part. The above components are described in detail below.

The main push rod 1, the whole main push rod 1 is cylindric, and its inside has seted up the one-way through-hole of circumference, and cutter portion can follow the inside through-hole of main push rod 1 and slide. The main push rod 1 is provided with a chute 12 penetrating radially, the main push rod 1 is also provided with a hand push block 11, the hand push block 11 is arranged in the chute 12 in a sliding manner, and the cutter part is arranged on the hand push block 11. When in operation, an operator can hold the main push rod 1 and then push the hand pushing block 11 to slide along the chute 12, and then the hand pushing block 11 drives the cutter part to slide back and forth along the main push rod 1 so as to realize the telescopic effect. In this embodiment, the distance between the sliding block 11 and the two ends of the sliding groove 12 is the travel distance of the sliding block 11.

And the cutting mechanism 4 is fixedly connected with the hand pushing block 11 at one end and extends along the axial direction of the main push rod 1 at the other end, the cutter part is hollow so as to facilitate water circulation, and the cutter mechanism is made of a conductive material so that the cutter mechanism can cut off a focus of a patient through a motor. The structure of the slitting mechanism 4 will be specifically described below, and the slitting mechanism 4 includes a booster tube 41, an extension tube 42, and a cutter head 43. The booster 41 is provided to penetrate the main pushrod 1, the connection mechanism 3, and the guide rod 2 in this order. The main push rod 1 is a positioning installation reference component of the embodiment, the connecting mechanism 3 and the guide rod 2 are sequentially installed on one side of the main push rod 1, and meanwhile, the main push rod 1, the connecting mechanism 3 and the guide rod 2 jointly form an outline main body of the mucous membrane incision knife shown in the embodiment. The cutting mechanism 4 further comprises a positioning ring 44, a ring groove 111 is formed in one side of the push block 11 facing the boosting pipe 41, the positioning ring 44 is arranged in the ring groove 111, and the other end of the positioning ring 44 is connected with the boosting pipe 41. The booster 41 is connected to the push block 11 by the positioning ring 44 being inserted into the ring groove 111. So that the push block 11 can drive the booster 41 to slide synchronously when sliding. The extension pipe 42 is connected to an end of the boost pipe 41 away from the boost pipe 41, and the cutter head 43 is connected to an end of the extension pipe 42 away from the boost pipe 41. The booster tube 41 is connected to the cutter head 43 through the extension tube 42, and the cutter head 43 can cut a lesion by electrical connection.

The guide rod 2 is coaxially arranged at one side of the booster tube 41, the guide rod 2 is suitable for being connected with an external water source, and the external water source is guided into the booster tube 41, so that water is conveyed to the extension tube 42 along the booster tube 41 and conveyed into the cutter head 43 along the extension tube 42, and finally sprayed out through the cutter head 43 to clean the focus part.

In order to achieve the above effect, in this embodiment, the side wall of the booster 41 is provided with a water inlet slot 411, one side of the guide rod 2 is provided with a water injection pipe 21, and the water injection pipe 21 is communicated with the inner cavity of the guide rod 2. The outer diameter of the booster tube 41 is smaller than the inner diameter of the guide rod 2, water in the water injection tube 21 can enter the guide rod 2, enter the booster tube 41 from the guide rod 2 through the water inlet slot 411, enter the extension tube 42 along the booster tube 41, and finally are sprayed out from the inner side of the cutter head 43.

Since the water injection pipe 21 introduces water into the guide rod 2 through the connecting water pipe, and since the inner cavity of the guide rod 2 is through, water will not only flow into the water inlet slot 411 but also flow toward both ends of the guide rod 2, in order to avoid leakage of water, in this embodiment, sealing sleeves 22 are respectively provided at both ends of the guide rod 2, and the sealing sleeves 22 are disposed between the booster pipe 41 and the guide rod 2. The gap between the boosting pipe 41 and the guide rod 2 is closed by the sealing sleeve 22, so that water is prevented from flowing out of the two ends of the guide rod 2, and the effect of locking the water in the guide rod 2 is realized.

In order to further lock the sealing sleeve 22 in the guide rod 2, so as to avoid hydraulic impact and separate the sealing sleeve 22 from the guide rod 2, in this embodiment, positioning sleeves 23 are further arranged at two ends of the guide rod 2, and the positioning sleeves 23 are arranged outside the sealing sleeve 22. The positioning sleeve 23 is abutted with the sealing sleeve 22, and the positioning sleeve 23 is in threaded connection with the guide rod 2. The positioning sleeve 23 is fixedly connected with the two ends of the guide rod 2 through threads, so that the positioning sleeve 22 is separated from the two ends.

The connecting mechanism 3 is arranged between the main push rod 1 and the guide rod 2, the main push rod 1 and the guide rod 2 are respectively sleeved at two ends of the connecting mechanism 3, and the connecting mechanism 3 is used for connecting the main push rod 1 and the guide rod 2. The connection mechanism 3 is suitable for being electrically connected with a power supply, meanwhile, the connection mechanism 3 is abutted against a part of the boosting pipe 41 penetrating through the connection mechanism, after the connection mechanism 3 is connected with the power supply, the connection mechanism can conduct electricity to the boosting pipe 41, so that electric energy is transmitted to the extension pipe 42 and the cutter head 43 through the boosting pipe 41, and the focus of the incision is cut after the cutter head 43 is connected with electricity.

The structure of the connection mechanism 3 will be specifically described, and the connection mechanism 3 includes a connection sleeve 31, a positioning seat 32 provided in the connection sleeve 31, and a conductive member 33 provided inside the positioning seat 32. And two ends of the connecting sleeve 31 are respectively connected with the main push rod 1 and the guide rod 2. The main push rod 1 and the guide rod 2 are connected by the connecting sleeve 31, so that the positioning seat 32 and the conductive assembly 33 can be ensured to be connected with the boosting pipe 41 correctly. The booster 41 is disposed through the positioning seat 32, so that the positioning seat 32 maintains a connection state with the booster 41, and ensures correct conduction. One end of the conductive member 33 is abutted against the booster tube 41, and the conductive member 33 can conduct electricity to the booster tube 41 on the premise that the positioning seat 32 is connected to the booster tube 41.

In order to achieve the above effect, the conductive assembly 33 includes a conductive post 331, a conductive ball 332, and a connection spring 333, wherein the conductive post 331 is connected to the positioning seat 32, and the conductive ball 332 abuts against the booster 41. The conductive post 331 is adapted to connect to an external power source and conduct electrical energy. The connection spring 333 has one end connected to the conductive ball 332 and the other end connected to the conductive post 331. The conductive ball 332 is held in contact with one side of the booster 41 by the connection spring 333, and thus electric power can be transmitted from the conductive post 331 to the connection spring 333, from the connection spring 333 to the conductive ball 332, and from the conductive ball 332 to the booster 41 without interruption.

It should be noted that, other technical features of the mucosa cutting knife, such as a motor, etc. according to the present utility model application should be considered as the prior art, and specific structures, working principles, and control modes and spatial arrangement modes possibly related to the technical features should be selected conventionally in the art, and should not be considered as the utility model point of the present utility model patent, which is not further specifically expanded and detailed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mucosal resection instrument, comprising:

the device comprises a main push rod (1), a guide rod (2) coaxially arranged at one side of the main push rod (1) and a connecting mechanism (3) arranged between the main push rod (1) and the guide rod (2);

the main push rod (1) and the guide rod (2) are respectively sleeved at two ends of the connecting mechanism (3);

a hand pushing block (11) is connected to the main push rod (1), and a cutting mechanism (4) is arranged on the hand pushing block (11);

the cutting mechanism (4) sequentially penetrates through the main push rod (1), the connecting mechanism (3) and the guide rod (2); and

the connecting mechanism (3) is abutted with the cutting mechanism (4), and the connecting mechanism (3) is suitable for being electrically connected with a power supply;

the guide rod (2) is communicated with the inner cavity of the cutting mechanism (4), and the guide rod (2) is suitable for being connected with a water pipe.

2. The mucosal resection instrument of claim 1,

the cutting mechanism (4) comprises a boosting pipe (41), and the boosting pipe (41) sequentially penetrates through the main push rod (1), the connecting mechanism (3) and the guide rod (2);

the side wall of the boosting pipe (41) is provided with a water inlet groove (411), one side of the guide rod (2) is provided with a water injection pipe (21), and the water injection pipe (21) is communicated with the inner cavity of the guide rod (2).

3. The mucosal resection instrument of claim 2,

sealing sleeves (22) are respectively arranged at two ends of the guide rod (2), and the sealing sleeves (22) are arranged between the boosting pipe (41) and the guide rod (2).

4. The mucosal resection instrument of claim 3,

positioning sleeves (23) are further arranged at two ends of the guide rod (2) respectively, and the positioning sleeves (23) are arranged at the outer sides of the sealing sleeves (22);

the positioning sleeve (23) is abutted with the sealing sleeve (22), and the positioning sleeve (23) is in threaded connection with the guide rod (2).

5. The mucosal resection instrument of claim 2,

the cutting mechanism (4) further comprises an extension pipe (42) and a cutter head (43), wherein the extension pipe (42) is connected with one end, far away from the boosting pipe (41), of the boosting pipe (41), and the cutter head (43) is connected with one end, far away from the boosting pipe (41), of the extension pipe (42).

6. The mucosal resection instrument of claim 2,

the connecting mechanism (3) comprises a connecting sleeve (31), a positioning seat (32) arranged in the connecting sleeve (31) and a conductive component (33) arranged on the inner side of the positioning seat (32);

two ends of the connecting sleeve (31) are respectively connected with the main push rod (1) and the guide rod (2);

the boosting pipe (41) penetrates through the positioning seat (32);

one end of the conductive component (33) is abutted with the boosting pipe (41).

7. The mucosal resection instrument of claim 6,

the conductive assembly (33) comprises a conductive column (331), a conductive ball (332) and a connecting spring (333), wherein the conductive column (331) is connected with the positioning seat (32), and the conductive ball (332) is abutted with the boosting tube (41);

one end of the connecting spring (333) is connected with the conductive ball (332), and the other end is connected with the conductive column (331).

8. The mucosal resection instrument of claim 2,

a sliding groove (12) is formed in the main push rod (1), the hand pushing block (11) is arranged in the sliding groove (12) in a sliding mode, and the hand pushing block (11) is connected with the boosting pipe (41).

9. The mucosal resection instrument of claim 2,

the cutting mechanism (4) further comprises a positioning ring (44), an annular groove (111) is formed in one side, facing the boosting pipe (41), of the hand pushing block (11), the positioning ring (44) is arranged in the annular groove (111), and the other end of the positioning ring (44) is connected with the boosting pipe (41).