CN217548103U

CN217548103U - Repeating biopsy forceps

Info

Publication number: CN217548103U
Application number: CN202220357770.1U
Authority: CN
Inventors: 刘元顺
Original assignee: Zhejiang Cancer Hospital
Current assignee: Zhejiang Cancer Hospital
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-10-11
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a biopsy forceps send out in succession, including the core bar, the sliding handle, spring pipe and wire drawing, sliding handle slidable mounting is on the core bar, spring pipe fixed mounting is in the end of core bar, the wire drawing is pegged graft inside the spring pipe, and the end fixed mounting of wire drawing is on the lateral wall of sliding handle, the centre gripping pipe through setting up can carry on spacingly to the position of clamping part, avoid the clamping part to take place to break away from in the use, through the connection of a plurality of clamping parts and a plurality of clamping parts of spring intraductal setting, the dismantlement of clamping part after can facilitating the use, so that the continuous supply of clamping part, increase work efficiency, through fixture block and the U-shaped stopper that sets up, can realize being connected of wire drawing and clamping part, and then convenient dismantlement, be convenient for the connection of next clamping part.

Description

Repeating biopsy forceps

Technical Field

The utility model relates to the technical field of medical treatment, the concrete field is a biopsy forceps send out.

Background

In clinical practice, in the field of endoscopy, such as bronchoscopy, gastroscopy, enteroscopy and the like, if suspicious diseased tissues are found, a doctor operating the endoscope often needs to take a tissue biopsy, send the taken tissue to a pathology department for further sectioning, perform pathological diagnosis and the like. Often, the patient often has a plurality of suspicious pathological changes tissue simultaneously, needs the doctor to get the tissue of a plurality of positions respectively in proper order, puts into different specimen bottles respectively to make mark in proper order, at this in-process, the doctor is every to get the tissue of a position, often need change a biopsy forceps, and the purpose is to avoid the tissue between the different positions to cause alternately to obscure. For example, multiple intestinal polyps may exist in the intestinal tract of a patient, some polyps may be cancerated, and if the same biopsy forceps are used, tissues in different parts are mixed, so that the medical risk is extremely high. Therefore, in clinic, in order to avoid tissue contamination, every time a doctor takes a part, the doctor needs to replace a new biopsy forceps by a nurse or an assistant, and after the doctor takes the tissue of one part, the doctor needs to flush the biopsy forceps with running water, clean the forceps and then biopsy the tissue of the next part, but the operation still has the possibility of tissue contamination which is not visible to the naked eye. Therefore, a biopsy forceps for continuous biopsy is proposed to solve the clinical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a running fire biopsy forceps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a biopsy forceps send out, includes core bar, smooth handle, spring pipe and wire drawing, smooth handle slidable mounting is on the core bar, spring pipe fixed mounting is in the end of core bar, the wire drawing is pegged graft in the spring pipe inside, and the end fixed mounting of wire drawing is on the lateral wall of smooth handle, the end fixed mounting of spring pipe has the centre gripping pipe, the inside of spring pipe is provided with evenly distributed's clamping part, and two adjacent clamping part joints, the end fixed mounting of wire drawing has the fixture block, the fixture block is pegged graft with the clamping part.

Preferably, the clamping part includes sleeve pipe and two clamp splices, two first openings of symmetry are seted up to sheathed tube lateral wall, two the end of clamp splice is rotated and is installed in first opening, two the lateral wall of clamp splice articulates there is the connecting rod, two the end of connecting rod articulates there is the U-shaped stopper, the clamp splice is relative setting, two the cockscomb structure is personally submitted to the relative of clamp splice, two the end of clamp splice is seted up with wire drawing assorted breach.

Preferably, the U-shaped limiting block is sleeved in the clamping block.

Preferably, two symmetrical second openings are formed in the outer side wall of the sleeve, fixing blocks corresponding to the second openings are fixedly mounted inside the sleeve, and the saw-toothed shape of the clamping block is meshed with the fixing blocks.

Preferably, the outer diameter of the sleeve is matched to the inner diameter of the spring tube.

Preferably, the centre gripping pipe includes the connecting pipe, connecting pipe fixed mounting is in the end of spring pipe, the lateral wall spiro union of connecting pipe has the screw ring, two spacing grooves of symmetry are seted up to the lateral wall of connecting pipe, spacing inslot fixed mounting has L shape fixture block, two L shape fixture block joint is in seting up in the draw-in groove of sleeve pipe lateral wall.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a biopsy forceps runs a fire, the centre gripping pipe through setting up can carry on spacingly to the position of clamping part, avoids the clamping part to take place to break away from in the use, through the connection of a plurality of clamping parts and a plurality of clamping parts of spring intraductal setting, the dismantlement of clamping part after can facilitating the use to be convenient for the continuous supply of clamping part, increase work efficiency, through fixture block and the U-shaped stopper that sets up, can realize being connected of wire drawing and clamping part, and then convenient the dismantlement, be convenient for the connection of next clamping part, the utility model discloses need not to change biopsy forceps many times, only need to change the clamping part and just can realize the sample at a plurality of tissue positions, and then effectively avoid appearing obscuring, avoid infecting the risk, convenient operation reduces operating time moreover, increase work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the clamping portion and the clamping tube of the present invention;

FIG. 3 is a schematic view of the connection structure of two adjacent clamping portions of the present invention;

FIG. 4 is a schematic view of the internal structure of the clamping portion of the present invention;

fig. 5 is a schematic view of the connection structure of the clamping tube of the present invention.

In the figure: 1-core rod, 2-sliding handle, 3-spring tube, 4-wire drawing, 5-fixture block, 6-sleeve, 7-clamp block, 8-first opening, 9-connecting rod, 10-U-shaped limiting block, 11-notch, 12-second opening, 13-fixing block, 14-connecting tube, 15-threaded ring, 16-limiting groove, 17-L-shaped fixture block and 18-clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a repeating biopsy forceps, includes core bar 1, smooth handle 2, spring tube 3 and wire drawing 4, smooth handle 2 slidable mounting is on core bar 1, spring tube 3 fixed mounting is in the end of core bar 1, wire drawing 4 is pegged graft inside spring tube 3, and the end fixed mounting of wire drawing 4 is on the lateral wall of smooth handle 2, the end fixed mounting of spring tube 3 has the centre gripping pipe, the inside of spring tube 3 is provided with evenly distributed's clamping part, and two adjacent clamping part joints, the end fixed mounting of wire drawing 4 has fixture block 5, fixture block 5 is pegged graft with the clamping part.

When the clamping device is used, the clamping parts are located in the spring tube 3, the clamping parts of the ends are limited through the clamping tube, the sliding handle 2 is pulled, the sliding handle 2 drives the wire drawing 4 to move in the spring tube 3, and then the clamping parts are driven to clamp, after the use is finished, the clamping tube is screwed, the used clamping parts are separated from the constraint of the clamping tube, the clamping parts are pulled outwards, other clamping parts are driven to move outwards until the next clamping part moves to the position of the clamping tube, the used clamping parts are separated, the clamping block 5 is separated from the clamping parts, then the clamping block 5 is inserted into the next clamping part, then the clamping parts corresponding to the position are limited through the clamping tube, and the clamping parts are driven to clamp through the sliding handle 2.

Particularly, the clamping part includes sleeve pipe 6 and two clamp splice 7, two first openings 8 of symmetry are seted up to the lateral wall of sleeve pipe 6, two the end of clamp splice 7 is rotated and is installed in first opening 8, two the lateral wall of clamp splice 7 articulates there is connecting rod 9, two the end of connecting rod 9 articulates there is U-shaped stopper 10, clamp splice 7 is relative the setting, two the cockscomb structure is personally submitted to clamp splice 7's the relative, two the end of clamp splice 7 is seted up with wire drawing 4 assorted breach 11.

When the clamping part is pulled, the wire drawing 4 drives the two connecting rods 9 to be hinged due to the limitation of the clamping block 5, the connecting rods 9 drive the two clamping blocks 7 to rotate in the first opening 8 respectively, and then the clamping of the two clamping blocks 7 is realized.

Through the notch 11 that sets up, can realize that smooth handle 2 drives the removal of wire drawing 4.

Particularly, U-shaped stopper 10 cup joints in fixture block 5, realizes being connected of wire drawing 4 and U-shaped stopper 10, convenient dismantlement and installation.

The length of the first opening 8 extends to the position of the U-shaped limiting block 10, so that the clamping block 5 and the U-shaped limiting block 10 can be conveniently mounted and dismounted.

Specifically, two symmetrical second openings 12 are seted up to the lateral wall of sleeve 6, the inside fixed mounting of sleeve 6 has the fixed block 13 corresponding with second opening 12, the cockscomb structure and the fixed block 13 of fixture 7 mesh mutually, for the convenience of a plurality of clamping part interconnect, enter into second opening 12 through fixture 7 in, through the meshing of the sawtooth of fixture 7 with fixed block 13, accomplish spacingly.

Particularly, the external diameter of sleeve 6 and the internal diameter phase-match of spring pipe 3, sleeve 6 are located spring pipe 3, can carry on spacingly to clamp splice 7 through spring pipe 3, avoid clamp splice 7 to break away from fixed block 13.

Particularly, the centre gripping pipe includes connecting pipe 14, connecting pipe 14 fixed mounting is in the end of spring pipe 3, the lateral wall spiro union of connecting pipe 14 has the screw ring 15, two spacing grooves 16 of symmetry are seted up to the lateral wall of connecting pipe 14, fixed mounting has L shape fixture block 17, two in spacing groove 16L shape fixture block 17 joint is in seting up in the draw-in groove 18 of the lateral wall of sleeve pipe 6, and the outside end of L shape fixture block 17 is the inclined plane.

When the position of the sleeve 6 is limited, the clamping groove 18 of the sleeve 6 is firstly placed at the position clamped by the L-shaped clamping block 17, the threaded ring 15 is screwed, the threaded ring 15 pushes the L-shaped clamping block 17 to be close to the sleeve 6, the L-shaped clamping block 17 is clamped at the position of the clamping groove 18, the position of the sleeve 6 is limited, and the sleeve 6 is prevented from being separated.

The working principle is as follows: when the utility model is used, a plurality of sleeves 6 are positioned in the spring tube 3, the sleeves 3 are arranged in the second opening 12 through the corresponding clamping blocks 7, the clamping blocks 7 are meshed with the fixed block 13 to realize head and tail line connection, the clamping blocks 7 are limited in the second opening 12 through the spring tube 3 to avoid separation, the drawn wires 4 respectively pass through the notches 11 and are spliced with the U-shaped limiting blocks 10 at the ends through the clamping blocks 5 to limit the positions of the drawn wires 4, the sliding handles 2 are pulled, the sliding handles 2 drive the drawn wires 4 to move, the clamping blocks 5 on the drawn wires 4 drive the connecting rods 9 to be hinged due to the limit of the U-shaped limiting blocks 10, and further drive the clamping blocks 7 to rotate in the first opening 8 to realize clamping operation, when the clamping blocks 7 at the ends are required to be dismounted, the threaded rings 15 are screwed, so that the extending ends of the L-shaped clamping blocks 17 are separated from the clamping grooves 18, then, the sleeve 6 at the end is pulled to enable the clamping groove 18 on the next sleeve 6 to correspond to the clamping position of the L-shaped clamping block 17, the threaded ring 15 is screwed, the threaded ring 15 drives the L-shaped clamping block 17 to carry out clamping operation, the extending end of the L-shaped clamping block 17 is clamped in the clamping groove 18 to fix the sleeve 6, then the clamping block 5 is separated from the U-shaped limiting block 10, the clamping block 7 on the next sleeve 6 is rotated to be separated from the fixed block 13, the used clamping block 7 is separated, then the sliding handle 2 is pulled to drive the wire drawing 4 to adjust the position of the clamping block 13, the clamping block 5 is inserted into the U-shaped limiting block 10 to complete installation, the sliding handle 2 is pulled to drive the wire drawing 4 to move, the clamping block 5 is inserted into the U-shaped limiting block 10 to carry out limiting, and then the connecting rod 9 is driven to hinge, and the clamping block 7 is driven to carry out clamping operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kind of consecutive biopsy forceps, characterized by: the sliding rod type wire drawing device is characterized by comprising a core rod (1), a sliding handle (2), a spring tube (3) and a wire drawing (4), wherein the sliding handle (2) is slidably mounted on the core rod (1), the spring tube (3) is fixedly mounted at the end of the core rod (1), the wire drawing (4) is inserted into the spring tube (3), the end of the wire drawing (4) is fixedly mounted on the outer side wall of the sliding handle (2), a clamping tube is fixedly mounted at the end of the spring tube (3), clamping parts which are uniformly distributed are arranged inside the spring tube (3), the two adjacent clamping parts are clamped, a clamping block (5) is fixedly mounted at the end of the wire drawing (4), and the clamping block (5) is inserted into the clamping parts.

2. The biopsy forceps of claim 1, wherein: the clamping part comprises a sleeve (6) and two clamping blocks (7), two first openings (8) and two first openings (8) are symmetrically arranged on the outer side wall of the sleeve (6), the end of each clamping block (7) is rotatably arranged in each first opening (8) and is hinged to a connecting rod (9) and two connecting rods (9) respectively, the end of each connecting rod (9) is hinged to a U-shaped limiting block (10), the clamping blocks (7) are oppositely arranged and are oppositely arranged, the clamping blocks (7) are oppositely arranged to form a saw-toothed shape and are two, and notches (11) matched with wire drawing (4) are formed in the end of each clamping block (7).

3. The biopsy forceps of claim 2, wherein: the U-shaped limiting block (10) is sleeved in the clamping block (5).

4. The biopsy forceps of claim 2, wherein: two symmetrical second openings (12) are formed in the outer side wall of the sleeve (6), fixing blocks (13) corresponding to the second openings (12) are fixedly mounted inside the sleeve (6), and the saw-toothed shape of the clamping block (7) is meshed with the fixing blocks (13).

5. The biopsy forceps of claim 4, wherein: the outer diameter of the sleeve (6) is matched with the inner diameter of the spring tube (3).

6. The biopsy forceps of claim 2, wherein: the centre gripping pipe includes connecting pipe (14), connecting pipe (14) fixed mounting is in the end of spring pipe (3), the lateral wall spiro union of connecting pipe (14) has screw ring (15), two spacing grooves (16) of symmetry are seted up to the lateral wall of connecting pipe (14), fixed mounting has L shape fixture block (17) in spacing groove (16), two L shape fixture block (17) joint is in seting up in draw-in groove (18) of sleeve pipe (6) lateral wall.