CN219126570U

CN219126570U - Tissue removal instrument

Info

Publication number: CN219126570U
Application number: CN202222932106.8U
Authority: CN
Inventors: 孙光宇; 包全; 吴衍
Original assignee: Shenzhen Haizhuo Kesai Medical Co ltd
Current assignee: Shenzhen Haizhuo Kesai Medical Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-06-06
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to the technical field of soft tissue treatment surgical instruments, and discloses a tissue removal instrument which comprises a return pipe, a pressure pipe and a sliding mechanism; a cavity is arranged in the return pipe, and a working window is formed in the side face of one end of the return pipe; the pressure pipe comprises a drainage section and a water outlet section, the drainage section is positioned in the cavity, one end of the drainage section is communicated with one end of the water outlet section, a water spray port is formed in one end of the water outlet section away from the drainage section, the length direction of the drainage section deflects relative to the length direction of the water outlet section, and the water outlet section deflects towards the direction of the working window; the sliding mechanism is connected with the pressure pipe and drives the water outlet section to extend into or out of the cavity from the working window. The water outlet section is driven by the sliding mechanism to extend or retract from the working window, the pressure pipe can be hidden in the return pipe when the pressure pipe does not work, the water outlet section can extend from the cavity when the pressure pipe does work, the operation is convenient and fast, the whole structure is simple, the size is small, and the universality is strong.

Description

Tissue removal instrument

Technical Field

The utility model relates to the technical field of soft tissue treatment surgical instruments, in particular to a tissue removal instrument.

Background

Minimally invasive surgical instruments that use tissue selective removal of soft tissue like collagen fibers to protect healthy tissue from injury are the best choice for patients for the treatment of tendinosis or more related tissue disorders; the traditional treatment operation often needs to use a great number of instruments and devices, and the wound operation needs to be carried out at a plurality of points of the body, and the traditional operation mode also needs different compound medicines or detection equipment to ensure the visualization of the operation process, so that the method is very inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problems that: the traditional tendinosis treatment operation needs to use a great deal of instruments and devices, which is very inconvenient.

In order to solve the technical problems, the utility model provides a tissue clearing instrument, which comprises a return pipe, a pressure pipe and a sliding mechanism; a cavity is arranged in the return pipe, and a working window is formed in the side face of one end of the return pipe; the pressure pipe comprises a drainage section and a water outlet section, the drainage section is positioned in the cavity, one end of the drainage section is communicated with one end of the water outlet section, a water spray port is formed in one end of the water outlet section away from the drainage section, the length direction of the drainage section deflects relative to the length direction of the water outlet section, and the water outlet section deflects towards the direction of the working window; the sliding mechanism is connected with the pressure pipe and drives the water outlet section to extend out of or retract into the cavity from the working window.

Further, the included angle between the direction of the drainage section and the direction of the water outlet section is in the range of 0-60 degrees.

Further, the diameter range of the water jet is 0-10mm, the water jet is positioned on the side face of the water outlet section, the included angle between the direction of the water jet and the length direction of the water outlet section is 30-90 degrees, and the water jet is oriented to the central axis direction of the working window on the side face of one end of the return pipe.

Further, the inner diameter range of the backflow pipe is 1-100mm, a protection head is arranged at a port at one end of the backflow pipe, and the protection head cover is arranged on one side of the working window.

Further, the cross section of the protection head is circular, the diameter of the protection head is smaller than or equal to that of the return pipe, and one side of the working window is positioned in the protection head.

Further, a transition surface is arranged on one side of the protection head, and the transition surface is flush with one side of the working window.

Further, the protection head is boss-shaped

Further, a chute is formed in one side, facing away from the working window, of the return pipe, the sliding mechanism comprises a sliding block and a connecting rod, the sliding block is covered outside the chute, the connecting rod is located in the return pipe, and the connecting rod is connected with the drainage section and the sliding block respectively.

Compared with the prior art, the tissue removal instrument provided by the embodiment of the utility model has the beneficial effects that: the water outlet section is driven by the sliding mechanism to retract or extend out of the cavity from the working window, the pressure pipe can be hidden in the return pipe when the pressure pipe does not work, the water outlet section can extend out of the cavity when the pressure pipe does work, the operation is convenient and fast, the whole structure is simple, the size is small, and the universality is strong.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the structure of the pressure tube receiving cavity;

FIG. 3 is a schematic view of a sliding mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a pressure tube;

FIG. 5 is a schematic diagram of the structure of a protective head according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a protective head according to another embodiment of the present utility model;

FIG. 7 is a schematic diagram of one embodiment of a protective head;

figure 8 is a schematic diagram of the structure of one embodiment of the protection head.

In the figure, 1, a return pipe; 11. a cavity; 12. a work window; 13. protecting the head; 131. a transition surface; 2. a pressure pipe; 21. a drainage section; 22. a water outlet section; 221. a water jet; 3. a sliding mechanism; 31. a slide block; 32. and (5) connecting a rod.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. in the present utility model are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-3, a tissue clearing device according to a preferred embodiment of the present utility model comprises a return tube 1, a pressure tube 2 and a sliding mechanism 3, wherein the pressure tube 2 can emit high-pressure water flow to be used as a water jet, and the return tube 1 can absorb liquid on a wound and tissue cut by the water jet.

As shown in fig. 1-3, a cavity 11 is arranged in the return pipe 1, and a working window 12 is arranged on the side surface of one end of the return pipe 1. The other end of the return pipe 1 can be externally connected with an air pump and a recycling bin, the recycling bin is used for collecting tissues and liquid cut by the water knife, pollution is prevented, the air pump pumps air in the return pipe 1 so that the cavity 11 forms negative pressure, and therefore the tissues and the liquid in the return pipe 1 are led to the recycling bin.

As shown in fig. 1-4, the pressure tube 2 includes a drainage section 21 and a water outlet section 22, and the drainage section 21 and the water outlet section 22 are integrally formed. The drainage section 21 is located in the cavity 11, one end of the drainage section 21 is communicated with one end of the water outlet section 22, and the other end of the drainage section 21 is used for being externally connected with a high-pressure water pump, wherein a pipeline connected between the drainage section 21 and the air pump needs to achieve a rotatable function, such as a corrugated pipe or a hose, and the material needs to be capable of bearing high-pressure water flow. The water outlet section 22 is provided with a water jet 221 at one end far away from the drainage section 21, and high-pressure water flows into the water outlet section 22 after passing through the drainage section 21 and is sprayed out from the water jet 221, so that a water knife capable of cutting tissues is formed. The length direction of the drainage section 21 is deflected relative to the length direction of the water outlet section 22, and the water outlet section 22 is deflected in the direction of the working window 12.

As shown in fig. 1-4, the sliding mechanism 3 is connected with the pressure pipe 2, and a worker can operate the sliding mechanism 3 to enable the sliding mechanism 3 to drive the water outlet section 22 to extend out of the cavity 11 through the working window 12 or enable the water outlet section 22 originally positioned outside the return pipe 1 to retract into the cavity 11, wherein when the pressure pipe 2 is positioned in the cavity 11, one end of the water outlet section 22 away from the drainage section 21 is abutted against the inner surface of the return pipe 1, and the water outlet section 22, the drinking water section and the inner surface of the return pipe 1 enclose a triangle; when the water outlet section 22 extends out of the working window 12, the outer surface of the drainage section 21 is attached to the inner surface of the return pipe 1, and the length direction of the drainage section 21 is the same as the length direction of the return pipe 1. In some embodiments, a sliding groove is formed on one side of the return pipe 1 facing away from the working window 12, the sliding mechanism 3 includes a sliding block 31 and a connecting rod 32, the sliding block 31 is covered outside the sliding groove, the connecting rod 32 is located in the return pipe 1, the connecting rod 32 is respectively connected with the drainage section 21 and the sliding block 31, when a user slides the sliding block 31 in the direction of the port of the return pipe 1, the connecting rod 32 drives the drainage section 21 to move forward, and the water outlet section 22 moves forward and extends out of the working window 12; when the user slides the slider 31 in the opposite direction to the port of the return pipe 1, the connecting rod 32 drives the drainage section 21 to move backward, and the water outlet section 22 is retracted into the cavity 11. Since the drainage section 21 will move towards the central axis of the return tube 1 when the outlet section 22 is retracted into the cavity 11, the connection rod 32 is typically made of an elastic material, such as a spring, silicone or rubber, in order for the connection rod 32 to connect the drainage section 21 all the time.

As shown in fig. 3-4, the included angle a between the length direction of the drainage section 21 and the length direction of the water outlet section 22 is 0 ° -60 °, and within this angle range, it can be ensured that the water outlet section 22 can be quickly extended out of the working window 12 or quickly retracted into the cavity 11. The diameter of the water jet 221 ranges from 0mm to 10mm, the water jet 221 is located on the side face of the water outlet section 22, an included angle b between the direction of the water jet 221 and the length direction of the water outlet section 22 is 30 degrees to 90 degrees, the water jet 221 faces the central axis direction of the working window 12 on the side face of one end of the return pipe 1, and after the water outlet section 22 extends out of the working window 12, the water jet 221 tends to spray along the front axial direction of the return pipe 1, so that a worker can conveniently cut tissues by using a water knife.

As shown in fig. 1-3, the inner diameter of the return pipe ranges from 1 mm to 100mm, a protecting head 13 is arranged at a port at one end of the return pipe 1, the protecting head 13 covers one side of the working window 12, and the protecting head 13 is used for protecting the pressure pipe 2.

As shown in fig. 5, in one embodiment, the cross section of the protecting head 13 is circular, the diameter of the protecting head 13 is greater than or equal to the diameter of the return pipe 1, one side of the working window 12 is located in the protecting head 13, and the protecting head 13 is substantially in a shape of a truncated cone.

In one embodiment, as shown in fig. 6, the cross section of the protecting head 13 is circular, and the diameter of the protecting head 13 is the same as the diameter of the return pipe 1, and one side of the working window 12 is located in the protecting head 13, and the protecting head 13 is approximately conical.

As shown in fig. 7, in one embodiment, a transition surface 131 is disposed on one side of the protection head 13, and the transition surface 131 is flush with one side of the working window 12, and the protection head 13 is substantially in a shape of a truncated cone.

As shown in fig. 8, in one embodiment, a transition surface 131 is provided on one side of the protection head 13, the transition surface 131 is flush with one side of the working window 12, and the protection head 13 is substantially conical.

In summary, the embodiment of the utility model provides a tissue removal instrument, which drives the water outlet section 22 to retract from the working window 12 or extend out of the cavity 11 through the sliding mechanism 3, can hide the pressure pipe 2 in the return pipe 1 when not working, and can extend the water outlet section 22 out of the cavity 11 when working, so that the tissue removal instrument is convenient and quick to operate, and has the advantages of simple overall structure, small size and strong universality.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A tissue clearing instrument, comprising:

the device comprises a return pipe, a working window and a control valve, wherein a cavity is arranged in the return pipe;

the pressure pipe comprises a drainage section and a water outlet section, the drainage section is positioned in the cavity, one end of the drainage section is communicated with one end of the water outlet section, and one end of the water outlet section, which is far away from the drainage section, is provided with a water spray port;

and

And the sliding mechanism is connected with the pressure pipe and drives the water outlet section to extend out of or retract into the cavity from the working window.

2. The tissue clearing instrument according to claim 1, wherein: the included angle between the direction of the drainage section and the direction of the water outlet section is 0-60 degrees.

3. The tissue clearing instrument according to claim 1, wherein: the diameter range of the water jet is 0-10mm, the water jet is positioned on the side face of the water outlet section, the included angle between the direction of the water jet and the length direction of the water outlet section is 30-90 degrees, and the water jet is oriented to the central axis direction of the working window on the side face of one end of the return pipe.

4. The tissue clearing instrument according to claim 1, wherein: the inner diameter range of the reflux pipe is 1-100mm, a protection head is arranged at a port at one end of the reflux pipe, and the protection head cover is arranged at one side of the working window.

5. The tissue clearing instrument of claim 4, wherein: the cross section of the protection head is circular, the diameter of the protection head is smaller than or equal to that of the return pipe, and one side of the working window is positioned in the protection head.

6. The tissue clearing instrument of claim 4, wherein: one side of the protection head is provided with a transition surface, and the transition surface is flush with one side of the working window.

7. The tissue clearing instrument of claim 4, wherein: the protection head is boss-shaped.

8. The tissue clearing instrument according to claim 1, wherein: the utility model discloses a drainage device, including back flow, work window, back flow, slide mechanism, connecting rod, guiding section, connecting rod, slide mechanism, the spout has been seted up to one side of back flow back to the work window, slide mechanism includes slider and connecting rod, the slider lid is in outside the spout, the connecting rod is located in the back flow, the connecting rod respectively with the drainage section with the slider links to each other.