CN215018070U

CN215018070U - Angle-adjustable biopsy forceps

Info

Publication number: CN215018070U
Application number: CN202120099237.5U
Authority: CN
Inventors: 李庆庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-07
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses an angularly adjustable biopsy forceps, including telescopic link, sleeve pipe, rotation portion, binding clip and angular adjustment subassembly, the telescopic link is flexible to be set up in the sleeve pipe, the top of telescopic link is passed through the angular adjustment subassembly is connected with rotation portion, rotation portion deviates from the one end of telescopic link is provided with the binding clip. The utility model belongs to the technical field of medical instrument. The technical effects achieved are as follows: through the utility model discloses a biopsy forceps of angularly adjustable has realized the head flexible of biopsy forceps, has adapted to the operation position of different angles, has improved operation efficiency, has strengthened the security of operation.

Description

Angle-adjustable biopsy forceps

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to biopsy forceps of angularly adjustable.

Background

The endoscope examination or operation is one of the most common methods in clinic, various biopsy materials obtained through an endoscope are indispensable methods for diagnosing diseases, the end part of the biopsy forceps in the prior art cannot be bent, the biopsy forceps cannot adapt to different operation positions, and the biopsy forceps with the bendable end part are lacked.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an angularly adjustable biopsy forceps to solve the above-mentioned problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

according to the utility model discloses an aspect, an angularly adjustable biopsy forceps, including telescopic link, sleeve pipe, rotation portion, binding clip and angular adjustment subassembly, the telescopic link is flexible to be set up in the sleeve pipe, the top of telescopic link is passed through the angular adjustment subassembly is connected with rotation portion, rotation portion deviates from the one end of telescopic link is provided with the binding clip.

Further, still include the pivot, the portion of rotating passes through the pivot rotates the connection in the top of telescopic link.

Further, the angle adjustment subassembly includes first reset torsion spring, first fixed protruding and second fixed protruding, first fixed protruding is fixed in the rotation portion, the second fixed protruding is fixed on the telescopic link, the middle part cover of first reset torsion spring is established in the pivot, the one end joint of first reset torsion spring is in on the first fixed protruding, the other end joint of first reset torsion spring is in on the second fixed protruding.

Further, the telescopic rod type traction device comprises a traction protrusion, a traction wire and an adjusting handle, wherein the traction protrusion is fixed on the rotating part, the traction protrusion is eccentrically arranged on one side of the rotating shaft, an adjusting groove is formed in the side wall of the telescopic rod, the adjusting handle is slidably arranged in the adjusting groove, one end of the traction wire is fixed on the adjusting handle, and the other end of the traction wire is fixed on the traction protrusion.

Further, still include the gear draw-in groove, the interval is provided with a plurality ofly on the side edge of adjustment tank the gear draw-in groove, adjust the handle joint in one of them the gear draw-in groove.

Further, the angle adjusting assembly is a locking nut, and the locking nut is in threaded connection with the rotating shaft.

Further, the locking nut is a wing nut.

Further, the angle adjusting assembly comprises a pawl, a ratchet and a second reset torsion spring, the pawl is arranged on the telescopic rod through the second reset torsion spring, the ratchet is arranged on the rotating part, and the pawl and the ratchet form a ratchet mechanism.

Furthermore, the telescopic rod and the rotating shaft are both hollow structures.

Further, an outer side wall of the angle adjustment assembly is flush with an outer side wall of the rotating portion.

Further, the angle adjusting component is a bendable spring.

The utility model has the advantages of as follows: through the utility model discloses a biopsy forceps of angularly adjustable has realized the head flexible of biopsy forceps, has adapted to the operation position of different angles, has improved operation efficiency, has strengthened the security of operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a structural diagram of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 2 is a schematic bending view of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 3 is a schematic bending view of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 4 is a structural diagram of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 5 is a schematic bending view of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 6 is a structural diagram of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 7 is a schematic bending view of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 8 is a partial structural view of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

Fig. 9 is a structural diagram of an angularly adjustable biopsy forceps according to some embodiments of the present invention.

In the figure: 1. the telescopic link, 2, the sleeve pipe, 3, the rotation portion, 4, the pivot, 5, first reset torsion spring, 6, first fixed arch, 7, second fixed arch, 8, adjust the handle, 9, the wire drawing that draws, 10, tractive arch, 11, lock nut, 12, pawl, 13, ratchet, 14, second reset torsion spring.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 8, the biopsy forceps with adjustable angle in this embodiment includes a telescopic rod 1, a sleeve 2, a rotating portion 3, a forceps head, and an angle adjusting assembly, the telescopic rod 1 is telescopically arranged in the sleeve 2, the top end of the telescopic rod 1 is connected with the rotating portion 3 through the angle adjusting assembly, and one end of the rotating portion 3, which deviates from the telescopic rod 1, is provided with the forceps head.

The technical effect that this embodiment reaches does: through the biopsy forceps with the adjustable angle of the embodiment, the head of the biopsy forceps can be bent, the biopsy forceps are suitable for operation positions with different angles, the operation efficiency is improved, and the operation safety is enhanced.

Example 2

As shown in fig. 1 to 8, the biopsy forceps with adjustable angle in this embodiment includes all the technical features of embodiment 1, and in addition, further includes a rotating shaft 4, and the rotating portion 3 is rotatably connected to the top end of the telescopic rod 1 through the rotating shaft 4.

Optionally, the telescopic rod 1 and the rotating shaft 4 are both of a hollow structure, and the required silk threads are arranged inside the telescopic rod.

Optionally, the outer side wall of the angle adjustment assembly is flush with the outer side wall of the rotating part 3, thereby avoiding damage to the tissue of the surgical site.

Example 3

As shown in fig. 1 to fig. 3, the biopsy forceps with adjustable angle in this embodiment includes all the technical features of embodiment 2, in addition, the angle adjustment assembly includes a first reset torsion spring 5, a first fixing protrusion 6 and a second fixing protrusion 7, the first fixing protrusion 6 is fixed on the rotating portion 3, the second fixing protrusion 7 is fixed on the telescopic rod 1, the middle portion of the first reset torsion spring 5 is sleeved on the rotating shaft 4, one end of the first reset torsion spring 5 is connected to the first fixing protrusion 6 in a clamped manner, and the other end of the first reset torsion spring 5 is connected to the second fixing protrusion 7 in a clamped manner.

Optionally, the telescopic rod type traction device further comprises a traction protrusion 10, a traction wire 9 and an adjusting handle 8, wherein the traction protrusion 10 is fixed on the rotating part 3, the traction protrusion 10 is eccentrically arranged on one side of the rotating shaft 4, an adjusting groove is formed in the side wall of the telescopic rod 1, the adjusting handle 8 is slidably arranged in the adjusting groove, one end of the traction wire 9 is fixed on the adjusting handle 8, and the other end of the traction wire 9 is fixed on the traction protrusion 10.

Optionally, still include the gear draw-in groove, the interval is provided with a plurality of gear draw-in grooves on the side edge of adjustment tank, adjusts 8 joints of handle in one of them gear draw-in groove, has realized the adjustment to the different angles of rotating part 3 through setting up the gear draw-in groove, under the effect of first reset torsion spring 5, adjusts handle 8 and can be by the tensioning in the gear draw-in groove.

Example 4

As shown in fig. 4 and 5, the biopsy forceps with adjustable angle in the present embodiment includes all the technical features of embodiment 2, and in addition, the angle adjusting component is a lock nut 11, and the lock nut 11 is in threaded connection with the rotating shaft 4.

For example, the lock nut 11 is a wing nut.

The beneficial effects in this embodiment are: by setting the locking nut 11 as a wing nut, the operation is convenient and the adjustment is easy.

Example 5

As shown in fig. 6 to 8, the biopsy forceps with adjustable angle in this embodiment includes all the technical features of embodiment 2, and in addition, the angle adjusting assembly includes a pawl 12, a ratchet 13 and a second restoring torsion spring 14, the pawl 12 is disposed on the telescopic rod 1 through the second restoring torsion spring 14, the ratchet 13 is disposed on the rotating portion 3, and the pawl 12 and the ratchet 13 constitute a ratchet mechanism.

The beneficial effects in this embodiment are: through setting up the angle adjustment subassembly into the angle adjustment subassembly, realized one-way angle's locking, convenient to use is swift.

Example 6

As shown in fig. 9, the adjustable angle biopsy forceps of this embodiment includes all the technical features of embodiment 1, and besides, the angle adjusting component is a bendable spring.

When the endoscope biopsy channel is used, the head is bent at the beginning, the joint is an elastic spring ring which can be straight when entering the endoscope biopsy channel, and the head is bent due to the elastic retraction force after coming out.

The beneficial effects in this embodiment are: through setting up the angular adjustment subassembly into the flexible spring, simple structure, the processing cost is low.

In addition, it should be noted that, for bronchoscopy, the tumors of the apical part of the upper right lung and the posterior part of the apical part of the upper left lung often fail to take pathology due to the insufficient angle of bronchoscope. For gastroscopy, the lump around the cardia and on the fundus is usually not pathological due to the insufficient angle of the gastroscopy. For enteroscopy, the enteroscopy can not be touched by the enlarged angle of the intestinal lumen due to the occupational lesion of the liver flexure and the spleen area. The department of internal medicine urgently needs a kind of head flexible and fixed biopsy forceps, improves the angle of various endoscopes, adapts to the operating position of different angles, improves operating efficiency, strengthens the security.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. The utility model provides an angularly adjustable biopsy forceps, its characterized in that includes telescopic link (1), sleeve pipe (2), rotation portion (3), binding clip and angle adjustment subassembly, telescopic link (1) is flexible to be set up in sleeve pipe (2), the top of telescopic link (1) is passed through the angle adjustment subassembly is connected with rotation portion (3), rotation portion (3) deviate from the one end of telescopic link (1) is provided with the binding clip.

2. The biopsy forceps with adjustable angle according to claim 1, further comprising a rotating shaft (4), wherein the rotating part (3) is rotatably connected to the top end of the telescopic rod (1) through the rotating shaft (4).

3. The biopsy forceps with the adjustable angle as claimed in claim 2, wherein the angle adjustment assembly comprises a first reset torsion spring (5), a first fixing protrusion (6) and a second fixing protrusion (7), the first fixing protrusion (6) is fixed on the rotating portion (3), the second fixing protrusion (7) is fixed on the telescopic rod (1), the middle portion of the first reset torsion spring (5) is sleeved on the rotating shaft (4), one end of the first reset torsion spring (5) is connected to the first fixing protrusion (6) in a clamping manner, and the other end of the first reset torsion spring (5) is connected to the second fixing protrusion (7) in a clamping manner.

4. The biopsy forceps with the adjustable angle as claimed in claim 3, further comprising a pulling protrusion (10), a pulling wire (9) and an adjusting handle (8), wherein the pulling protrusion (10) is fixed on the rotating portion (3), the pulling protrusion (10) is eccentrically arranged on one side of the rotating shaft (4), an adjusting groove is formed in a side wall of the telescopic rod (1), the adjusting handle (8) is slidably arranged in the adjusting groove, one end of the pulling wire (9) is fixed on the adjusting handle (8), and the other end of the pulling wire (9) is fixed on the pulling protrusion (10).

5. The biopsy forceps with the adjustable angle as claimed in claim 4, further comprising a plurality of gear slots, wherein the gear slots are spaced apart from each other on the side edge of the adjustment slot, and the adjustment handle (8) is engaged with one of the gear slots.

6. The adjustable biopsy forceps of claim 2, wherein the angle adjusting component is a locking nut (11), and the locking nut (11) is in threaded connection with the rotating shaft (4).

7. The adjustable-angle biopsy forceps according to claim 6, wherein the locking nut (11) is a wing nut.

8. The adjustable biopsy forceps of claim 2, wherein the angle adjusting assembly comprises a pawl (12), a ratchet (13) and a second return torsion spring (14), the pawl (12) is arranged on the telescopic rod (1) through the second return torsion spring (14), the ratchet (13) is arranged on the rotating part (3), and the pawl (12) and the ratchet (13) form a ratchet mechanism.

9. The biopsy forceps with adjustable angle according to claim 2, characterized in that the telescopic rod (1) and the rotating shaft (4) are both hollow structures; the outer side wall of the angle adjusting component is flush with the outer side wall of the rotating part (3).

10. The adjustable angle bioptome of claim 1, wherein the angle adjustment assembly is a flexible spring.