CN214484537U - Torque transmission device and biopsy forceps - Google Patents

Abstract

The utility model discloses a moment of torsion transmission device relates to medical equipment technical field, including spring pipe and rotating assembly, the spring pipe outside is located to the rotating assembly cover, and rotating assembly includes adjusting device, and adjusting device is used for adjusting the elasticity degree between spring pipe and the rotating assembly. The utility model also discloses a biopsy forceps, including a moment of torsion transmission device, still include binding clip, connecting pipe, handle and steel cable, handle and handle sliding connection, connecting pipe one end and handle rotate to be connected, the connecting pipe other end and spring tube one end fixed connection, the spring tube other end and binding clip fixed connection, the steel cable is located the spring tube, binding clip and handle pass through steel cable connection. The technical effect of the utility model lies in that it makes the angle of adjustment binding clip and pathological change tissue that the doctor can be accurate rapidly, gets pathological change tissue fast, saves the operation time, reduces the operation risk.

Description

Torque transmission device and biopsy forceps

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to moment of torsion transmission device and biopsy forceps.

Background

In actual operation, the doctor need make accurate adjustment to the angle of binding clip according to pathological change tissue position and form to take out a certain amount of pathological change tissue from the patient in vivo, carry out the pathology inspection, relevant rotatable biopsy forceps use steel cable transmission moment of torsion mostly, but the effect of steel cable transmission moment of torsion is not good, the binding clip can not with rotating assembly synchronous revolution, thereby the time of pathological change tissue direction is aimed at to the extension adjustment binding clip, inconvenient to use, extension operation time, increase the operation risk.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Adopt the steel cable transmission moment of torsion to rotatable biopsy forceps, cause the binding clip can not with the technical problem of rotating member synchronous revolution, the utility model provides a moment of torsion transmission device and biopsy forceps, it makes the angle of adjustment binding clip that the doctor can be accurate rapidly and pathological change tissue, and pathological change tissue is got to quick clamp, saves operation time, reduces the operation risk.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a torque transmission device, includes spring pipe and rotating assembly, the rotating assembly cover is located the spring pipe outside, rotating assembly includes adjusting device, adjusting device is used for adjusting the spring pipe with the elasticity degree between the rotating assembly.

Optionally, the rotating assembly comprises a clamping block, a clamping seat and a protection pad, the clamping block is the adjusting device, the protection pad is sleeved on the outer side of the spring tube, the clamping seat is sleeved on the outer side of the protection pad, an opening is formed in the side face of the clamping seat, and the clamping block is located in the opening of the clamping seat.

Optionally, the side surface of the clamping block is provided with a protrusion, a spring is arranged in the protrusion, the side surface of the opening is provided with a groove, and the protrusion is connected with the groove in a matched manner.

Optionally, the clamping block and the opening of the clamping seat are connected through threads.

Optionally, the protection pad is made of silica gel.

Optionally, the rotating assembly includes a clamping member and a fitting member, the fitting member is the adjusting device, the clamping member and the fitting member are both sleeved outside the spring tube, and the clamping member and the fitting member are connected by a screw thread.

The biopsy forceps comprise a torque transmission device, and further comprise a forceps head, a connecting pipe, a handle and a steel rope, wherein the handle is connected with the handle in a sliding mode, one end of the connecting pipe is connected with the handle in a rotating mode, the other end of the connecting pipe is fixedly connected with one end of a spring pipe, the other end of the spring pipe is fixedly connected with the forceps head, the steel rope is located in the spring pipe, and the forceps head is connected with the handle through the steel rope.

Optionally, the opening angle of the binding clip is 90-140 °.

Optionally, two sides of the handle are provided with first holding rings, and the outer end of the handle is provided with a second holding ring.

Optionally, the connecting pipe is made of PVC or PE.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect: the angle of the forceps head and the pathological change tissue can be rapidly and accurately adjusted by a doctor, the pathological change tissue can be rapidly clamped, the operation time is saved, and the operation risk is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a rotatable biopsy forceps according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a rotating assembly according to an embodiment of the present invention;

fig. 3 is a second embodiment of the rotating assembly according to the embodiment of the present invention.

In the figure: 1. a binding clip; 2. a spring tube; 3. a rotating assembly; 31. a clamping block; 32. a clamping seat; 33. a protection pad; 34. a clamping member; 35. a mating member; 4. a connecting pipe; 5. a handle; 51. a first holding ring; 6. a handle; 61. a second grip ring; 7. a steel cord.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Combine accompanying drawing 1-3, the utility model provides a torque transfer device, including spring pipe 2 and rotating assembly 3, the spring pipe 2 outside is located to 3 covers of rotating assembly, rotating assembly 3 includes adjusting device, adjusting device is used for adjusting the elasticity degree between spring pipe 2 and the rotating assembly 3, leave the space between spring pipe 2 and rotating assembly 3, rotating assembly 3 can freely round trip movement on spring pipe 2, when spring pipe 2 and rotating assembly 3 in close contact with, it can make spring pipe 2 rotate in step to rotate rotating assembly 3, reach the effect of transmission moment of torsion.

Specifically, the rotating assembly 3 comprises a clamping block 31, a clamping seat 32 and a protection pad 33, the clamping block 31 is an adjusting device, the protection pad 33 is sleeved on the outer side of the spring tube 2, the clamping seat 32 is sleeved on the outer side of the protection pad 33, an opening is formed in the side face of the clamping seat 32, the clamping block 31 is located in the opening of the clamping seat 32, the protection pad 33 is in close contact with the spring tube 2 by pressing down the clamping block 31, namely the rotating assembly 3 is in close contact with the spring tube 2, and the rotating assembly 3 can enable the spring tube 2 to rotate synchronously by rotating.

Specifically, the side face of the clamping block 31 is provided with a protrusion, a spring is arranged in the protrusion, the side face of the opening is provided with a groove, the protrusion is connected with the groove in a matched mode, when the clamping block 31 is pressed down, the protrusion on the clamping block 31 can move inwards firstly under the action of the spring, moves outwards after passing through the opening, and is matched with the groove, so that the clamping block 31 and the clamping seat 32 are kept fixed.

Specifically, the clamping block 31 and the opening are provided with threads, the clamping block 31 and the opening of the clamping base 32 are connected through the threads, and the tightness degree between the clamping block 31 and the clamping base 32 can be changed only by rotating the clamping block 31.

Specifically, in order to protect the spring tube 2 and prolong the service life thereof, the protection pad 33 is made of silica gel.

Specifically, the rotating assembly 3 comprises a clamping piece 34 and a fitting piece 35, the fitting piece 35 is an adjusting device, the clamping piece 34 and the fitting piece 35 are both sleeved outside the spring tube 2, the clamping piece 34 and the fitting piece 35 are in threaded connection, the fitting piece 35 is rotated to enable the fitting piece 35 and the clamping piece 34 to be in threaded fit connection, the fitting piece 35 extrudes the clamping piece 34 at the moment, the clamping piece 34 and the spring tube 2 are in close contact, namely the rotating assembly 3 and the spring tube 2 are in close contact, and the rotating assembly 3 can enable the spring tube 2 to rotate synchronously.

The utility model also provides a biopsy forceps, including a moment of torsion transmission device, still include binding clip 1, connecting pipe 4, handle 5, handle 6 and steel cable 7, handle 6 and 5 sliding connection of handle, 4 one ends of connecting pipe and 6 rotations of handle are connected, the 4 other ends of connecting pipe and the 2 one end fixed connection of spring tube, the 2 other ends of spring tube and 1 fixed connection of binding clip, steel cable 7 are located spring tube 2, binding clip 1 and handle 5 pass through steel cable 7 and connect.

When the pliers are used specifically, the handle 5 is pushed to the end of the handle 6, the handle 5 drives the steel rope 7, and the pliers head 1 is gradually closed to be completely folded. And then, the end 1 of the forceps head of the biopsy forceps is penetrated into a forceps channel of the endoscope, when the end 1 of the forceps head of the biopsy forceps is exposed out of the forceps channel and reaches a focus position, the handle 5 is pushed towards the end 1 of the forceps head, and the handle 5 drives the steel rope 7 to enable the forceps head 1 to be gradually opened until the forceps head is completely opened. If the opening angle direction of the forceps head 1 is different from the required direction, an adjusting device of a rotating assembly can be used, the rotating assembly is in close contact with the spring tube 2, the rotating assembly 3 is rotated, the spring tube 2 synchronously rotates along with the spring tube 2, then the forceps head 1 and the connecting tube 4 synchronously rotate by the spring tube 2, then the forceps head 1 synchronously rotates the steel rope 7, the opening angle direction of the forceps head 1 can be rotated to the required direction, the forceps head 1 is aligned to the position to be clamped, then the position to be clamped is inserted, the handle 5 is pulled towards the end of the handle 6, the handle 5 drives the steel rope 7, the forceps head 1 is gradually closed until the lesion tissue is completely folded and clamped, and finally the lesion tissue retreats to the outside along with the biopsy forceps.

Specifically, the opening angle of the binding clip 1 is 90-140 degrees, if the opening angle of the binding clip 1 is smaller than 90 degrees, the larger focus is not convenient to clamp, if the opening angle of the binding clip 1 is larger than 140 degrees, the difficulty of folding is increased, the operation is complicated, and in practical application, the opening angle of the binding clip 1 can be 90 degrees, 140 degrees or 100 degrees and the like.

Specifically, for convenience of operation, the handle 5 is provided with first holding rings 51 at both sides thereof, and the handle 6 is provided with second holding rings 61 at the outer ends thereof.

Specifically, in order to increase corrosion resistance and increase service life, the connecting pipe 4 is made of PVC or PE.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. The torque transmission device is characterized by comprising a spring tube and a rotating assembly, wherein the rotating assembly is sleeved on the outer side of the spring tube, the rotating assembly comprises an adjusting device, and the adjusting device is used for adjusting the tightness degree between the spring tube and the rotating assembly.

2. The torque transmission device according to claim 1, wherein the rotating assembly includes a clamping block, a clamping seat and a protection pad, the clamping block is the adjusting device, the protection pad is sleeved on the outer side of the spring tube, the clamping seat is sleeved on the outer side of the protection pad, an opening is formed in the side surface of the clamping seat, and the clamping block is located in the opening of the clamping seat.

3. The torque transmission device according to claim 2, wherein the clamping block is provided with a protrusion on a side surface, a spring is arranged in the protrusion, a groove is arranged on a side surface of the opening, and the protrusion is matched and connected with the groove.

4. A torque transfer device as claimed in claim 2, wherein said clamp block is threadably connected to said opening of said clamp block.

5. The torque transfer device of claim 2, wherein the protective pad is formed of silicone.

6. The torque transfer device of claim 1, wherein the rotating assembly includes a clamping member and a mating member, the mating member is the adjustment device, the clamping member and the mating member are both disposed outside the spring tube, and the clamping member and the mating member are threadedly coupled.

7. Biopsy forceps comprising a torque transfer device as claimed in any one of claims 1 to 6, and further comprising a forceps head, a connecting tube, a handle, and a cable, wherein the handle is slidably connected to the handle, one end of the connecting tube is rotatably connected to the handle, the other end of the connecting tube is fixedly connected to one end of the spring tube, the other end of the spring tube is fixedly connected to the forceps head, the cable is located in the spring tube, and the forceps head and the handle are connected by the cable.

8. Biopsy forceps according to claim 7, wherein the opening angle of the forceps head is 90 ° to 140 °.

9. Biopsy forceps according to claim 7, wherein the handles are provided with first gripping rings on both sides and the outer ends of the handles are provided with second gripping rings.

10. Biopsy forceps according to claim 7, wherein the connecting tube is made of PVC or PE.

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