CN215079012U

CN215079012U - Alligator tooth type biopsy forceps

Info

Publication number: CN215079012U
Application number: CN202121810870.7U
Authority: CN
Inventors: 冯靖; 王顺龙
Original assignee: Tianjin Ruitoyota Pharmaceutical Co ltd
Current assignee: Tianjin Ruitoyota Pharmaceutical Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-10
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to a sampling tongs technical field discloses a alligator teeth type live body sampling tongs, including the ring handle, preceding slide bar subassembly, the stay cord, reset spring, sample binding clip subassembly, back slide bar and sliding sleeve, the rear end of back slide bar is fixed with a ring handle, preceding slide bar subassembly sets up the front end at the back slide bar, the outside at the back slide bar is established to the sliding sleeve cover, the sliding sleeve can slide around the outside of back slide bar, the rear end of stay cord is fixed at the central authorities of sliding sleeve, sample binding clip subassembly is located the front end of stay cord, reset spring overlaps and establishes the outside at the stay cord, reset spring's rear end is fixed in preceding slide bar subassembly, reset spring's front end and sample binding clip subassembly are connected. The sampling binding clip subassembly includes ultrasonic reflection binding clip, falls the tong tooth, ultrashort binding clip installed part and binding clip transfer line, and ultrashort binding clip installed part is fixed at reset spring's front end. The utility model discloses can improve the detectivity and the result of use of sampling pincers, simplify the structure of sample binding clip, reduce the size.

Description

Alligator tooth type biopsy forceps

Technical Field

The utility model relates to a sampling tongs technical field especially relates to a alligator teeth type biopsy forceps.

Background

In hospital examination, in order to examine the accuracy of diseases, biopsy sampling is often selected for examination, and biopsy forceps are commonly used in the fields of gastrointestinal biopsy, biliary cavity biopsy and the like. The current biopsy forceps mainly have the following problems in use: the first point is that the positioning of the sampling forceps head is difficult, the position of the sampling forceps head needs to be ascertained by means of an endoscope and other equipment in sampling, and the application range of the biopsy forceps is limited due to the size limitation of a sampling channel; the second point is that the biopsy forceps are usually in a two-port opposite tooth shape, the sampling capability is poor, and the samples are easy to fall off in moving friction; the third point is that the structure of the sampling jaw part is complicated, which results in a large size of the jaw part. The problems all limit the application range and the application effect of the sampling forceps.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an alligator teeth type biopsy forceps can improve the detectability and the result of use of the forceps, simplifies the structure of the sampling binding clip, and reduces the size.

The utility model discloses a following technical scheme realizes: the utility model provides a alligator teeth type biopsy forceps, includes ring handle, preceding slide bar subassembly, stay cord, reset spring, sample binding clip subassembly, back slide bar and sliding sleeve, the rear end of back slide bar is fixed with a ring handle, preceding slide bar subassembly sets up the front end at the back slide bar, the outside at the back slide bar is established to the sliding sleeve cover, and the sliding sleeve can slide around the outside of back slide bar, the rear end of stay cord is fixed at the central authorities of sliding sleeve, sample binding clip subassembly is located the front end of stay cord, reset spring overlaps and establishes in the outside of stay cord, and reset spring's rear end is fixed in preceding slide bar subassembly, reset spring's front end and sample binding clip subassembly are connected.

Further, sample binding clip subassembly includes ultrasonic reflection binding clip, the tooth of falling the pincers, ultrashort binding clip installed part and binding clip transfer line, ultrashort binding clip installed part is fixed at reset spring's front end, ultrasonic reflection binding clip, binding clip transfer line all have two, and the rear portion symmetry of two ultrasonic reflection binding clips articulates in ultrashort binding clip installed part, two the rear portion of ultrasonic reflection binding clip respectively is connected with a binding clip transfer line front end, and the rear end of two binding clip transfer lines joins the back and is connected with the front end of stay cord, two the inboard of ultrasonic reflection binding clip all is provided with a plurality of rows of tooth of falling the pincers.

Further, preceding slide bar subassembly includes preceding slide bar, the hollow chamber of preceding slide bar, preceding slide bar spout and bolt groove, the inside of preceding slide bar is provided with the hollow chamber of preceding slide bar, be provided with the slide bar baffle between back slide bar and the preceding slide bar, the inside rear end of preceding slide bar is provided with the bolt groove, the bolt inslot is provided with spring fixing bolt, reset spring's rear end is fixed in spring fixing bolt, the inside of preceding slide bar is located the hollow chamber bilateral symmetry of preceding slide bar and is provided with two preceding slide bar spouts, be provided with the apron in the preceding slide bar spout, the apron is with spring fixing bolt gland at the bolt inslot.

Furthermore, a rear sliding rod sliding groove is formed in the inner side of the rear sliding rod, a rear sliding rod sliding block is fixed inside the sliding sleeve and located in the rear sliding rod sliding groove, and the rear end of the pull rope is fixed to the center of the front end of the rear sliding rod sliding block.

Furthermore, a forceps head sleeve is further arranged on the outer side of the front end of the return spring, the forceps head sleeve is located at the rear part of the ultrashort forceps head mounting piece, and the forceps head sleeve is conical.

Furthermore, positioning holes are uniformly and densely distributed on the outer part of the ultrasonic reflection binding clip.

Furthermore, a rear slide bar retaining ring is arranged on the outer side of the rear end of the rear slide bar.

Furthermore, the front side and the rear side of the sliding sleeve are both provided with a sliding sleeve baffle ring.

Furthermore, the outside cover of reset spring is equipped with the spring pipe protective tube, the rear end of spring pipe protective tube is provided with the handheld ring of protective tube.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses when developing the sample operation, slowly send into the sample position with the sample binding clip subassembly according to operation flow, in the removal of sample binding clip subassembly, through cooperation supersound image equipment, can be convenient observe the position of ultrasonic reflection binding clip, the doctor of being convenient for fixes a position its position to developing the sample operation more accurately.

2. The utility model discloses when developing the sample, the doctor is through removing the sliding sleeve, drive the inside back slide bar slider of sliding sleeve along back slide bar spout back-and-forth movement, thereby drive the stay cord back-and-forth movement, the front end of stay cord will stimulate two binding clip transfer lines motions, make and open and close between two ultrasonic reflection binding clips, utilize two ultrasonic reflection binding clips after opening to carry out the live body sample, sample binding clip subassembly simple structure, and the size is little, and the setting of back-off tong tooth can prevent to remove the sample and drop in the friction, and the sample is got to easier clamp.

Drawings

FIG. 1 is a front view of an alligator-type biopsy forceps of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention with the protective tube of the spring tube removed;

FIG. 3 is a schematic view of the three-dimensional structure of the sampling forceps head assembly, the spring tube protecting tube, the forceps head cover, the front pull rope and the return spring of the present invention after the ring handle, the cover plate and the sampling forceps head assembly are removed;

fig. 4 is a schematic structural diagram of the sampling binding clip assembly 9 of the present invention when it is disposed at the front end of the return spring.

In the figure: 1. a ring handle; 4. a front slide bar assembly; 5. a cover plate; 6. pulling a rope; 7. a return spring; 9. a sampling binding clip assembly; 10. a forceps head sleeve; 11. a spring fixing bolt; 21. a rear slide bar; 22. a rear slide bar retaining ring; 23. a rear slide bar chute; 24. a sliding rod clapboard; 25. a rear slide bar slider; 31. a sliding sleeve; 32. a sliding sleeve baffle ring; 41. a front slide bar; 42. a front slide bar hollow cavity; 43. a front slide bar chute; 44. a bolt slot; 81. a protective tube hand-held ring; 82. a spring tube guard tube; 91. ultrasonic reflection binding clip; 92. chamfering the clamp teeth; 93. an ultra-short tong mounting part; 94. the tong head drive rod.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

Example 1

As shown in fig. 1 to 4, the present embodiment provides an alligator-type biopsy forceps, which includes a ring handle 1, a front slide rod assembly 4, a pull rope 6, a return spring 7, a forceps head assembly 9, a rear slide rod 21 and a sliding sleeve 31, wherein the ring handle 1 is fixed at the rear end of the rear slide rod 21, a rear slide rod stop ring 22 is arranged at the outer side of the rear end of the rear slide rod 21, and the rear slide rod stop ring 22 is located between the rear end of the rear slide rod 21 and the front end of the ring handle 1, and is used for stopping the sliding sleeve 31 and preventing the sliding sleeve 31 from sliding backwards and excessively moving and sliding back to the slide rod 21. The front slide bar assembly 4 is arranged at the front end of the rear slide bar 21, the sliding sleeve 31 is sleeved on the outer side of the rear slide bar 21, the sliding sleeve 31 can slide back and forth along the outer side of the rear slide bar 21, the rear end of the pull rope 6 is fixed in the center of the sliding sleeve 31, specifically, the inner side of the rear slide bar 21 is provided with a rear slide bar sliding groove 23, a rear slide bar sliding block 25 is fixed inside the sliding sleeve 31, the rear slide bar sliding block 25 is located in the rear slide bar sliding groove 23, and the rear end of the pull rope 6 is fixed in the center of the front end of the rear slide bar sliding block 25. The front side and the rear side of the sliding sleeve 31 are both provided with a sliding sleeve baffle ring 32, which is convenient for moving the sliding sleeve 31. By moving the sliding sleeve 31, the rear sliding rod slider 25 inside the sliding sleeve 31 is driven to move back and forth along the rear sliding rod sliding groove 23, so that the pull rope 6 is driven to move back and forth. The reset spring 7 is sleeved on the outer side of the pull rope 6, the rear end of the reset spring 7 is fixed in the front sliding rod assembly 4, and the front end of the reset spring 7 is connected with the sampling tong head assembly 9. The outer side of the front end of the reset spring 7 is further provided with a tong head sleeve 10, the tong head sleeve 10 is located at the rear part of the ultrashort tong head installation part 93, and the tong head sleeve 10 is conical. The outside cover of reset spring 7 is equipped with spring pipe protective tube 82 for protect reset spring 7, and the rear end of spring pipe protective tube 82 is provided with protective tube handheld ring 81.

Specifically, the sampling binding clip assembly 9 is located at the front end of the pull rope 6, the sampling binding clip assembly 9 comprises ultrasonic reflection binding clips 91, inverted teeth 92, an ultra-short binding clip installation piece 93 and a binding clip transmission rod 94, the ultra-short binding clip installation piece 93 is fixed at the front end of the reset spring 7, the length of the ultra-short binding clip installation piece 93 is 3-6 mm, the ultrasonic reflection binding clips 91 and the binding clip transmission rod 94 are two, the rear portions of the two ultrasonic reflection binding clips 91 are symmetrically hinged in the ultra-short binding clip installation piece 93, the rear portions of the two ultrasonic reflection binding clips 91 are respectively connected with the front end of the binding clip transmission rod 94, the rear ends of the two binding clip transmission rods 94 are connected with the front end of the pull rope 6 after being converged, and the inner sides of the two ultrasonic reflection binding clips 91 are respectively provided with a plurality of rows of inverted teeth 92. When the pull rope 6 is moved, the front end of the pull rope 6 pulls the two binding clip transmission rods 94 to move, so that the two ultrasonic reflection binding clips 91 are opened and closed, the two opened ultrasonic reflection binding clips 91 are used for sampling the living body, the sampling binding clip assembly 9 is simple in structure and small in size, and the arrangement of the inverted binding clip 92 can more easily clamp the sample. The positioning holes are uniformly and densely distributed in the outer part of the ultrasonic reflection binding clip 91, so that the ultrasonic reflection binding clip 91 can be observed more conveniently in an operation through ultrasonic imaging equipment, a doctor can conveniently position the ultrasonic reflection binding clip 91, and the operation can be carried out more accurately.

Specifically, the front slide bar assembly 4 comprises a front slide bar 41, a front slide bar hollow cavity 42, a front slide bar sliding groove 43 and a bolt groove 44, the front slide bar 41 is internally provided with the front slide bar hollow cavity 42, a slide bar partition plate 24 is arranged between the rear slide bar 21 and the front slide bar 41, the rear end of the interior of the front slide bar 41 is provided with the bolt groove 44, the bolt groove 44 is internally provided with a spring fixing bolt 11, the rear end of a return spring 7 is fixed in the spring fixing bolt 11, two front slide bar sliding grooves 43 are symmetrically arranged on two sides of the front slide bar hollow cavity 42 in the interior of the front slide bar 41, a cover plate 5 is arranged in the front slide bar sliding groove 43, and the spring fixing bolt 11 is pressed in the bolt groove 44 by the cover plate 5. The front end of the return spring 7 is fixed in the bolt groove 44 by the spring fixing bolt 11, and the spring fixing bolt 11 is pressed in the bolt groove 44 by the cover plate 5, so that the installation and the disassembly are convenient.

The utility model discloses a theory of operation: during the operation, slowly send into the sample position with sample binding clip subassembly 9 according to operation flow, in the removal of sample binding clip subassembly 9, through cooperation supersound image equipment, can be convenient observe the position of ultrasonic reflection binding clip 91, the doctor of being convenient for fixes a position its position to more accurate developing sample operation. During the sample, the doctor removes sliding sleeve 31, drive the inside back slide bar slider 25 of sliding sleeve 31 and move along back slide bar spout 23 back-and-forth movement, thereby drive stay cord 6 back-and-forth movement, the front end of stay cord 6 will stimulate two binding clip transfer lines 94 and move, make and open and close between two ultrasonic reflection binding clips 91, utilize two ultrasonic reflection binding clips 91 after opening to carry out the live body sample, sample binding clip subassembly 9 simple structure, and the size is little, and the sample can be got to the easier clamp of setting up of back-facing tong tooth 92.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a alligator type biopsy forceps which characterized in that: including ring handle (1), preceding slide bar subassembly (4), stay cord (6), reset spring (7), sample binding clip subassembly (9), back slide bar (21) and sliding sleeve (31), the rear end of back slide bar (21) is fixed with a ring handle (1), preceding slide bar subassembly (4) set up the front end at back slide bar (21), the outside at back slide bar (21) is established to sliding sleeve (31) cover, and sliding sleeve (31) can slide around the outside of back slide bar (21), the rear end of stay cord (6) is fixed at the central authorities of sliding sleeve (31), sample binding clip subassembly (9) are located the front end of stay cord (6), reset spring (7) cover is established in the outside of stay cord (6), and the rear end of reset spring (7) is fixed in preceding slide bar subassembly (4), the front end and the sample binding clip subassembly (9) of reset spring (7) are connected.

2. The alligator-type biopsy forceps of claim 1, wherein: sample binding clip subassembly (9) are including ultrasonic reflection binding clip (91), fall tong teeth (92), ultrashort binding clip installed part (93) and binding clip transfer line (94), the front end at reset spring (7) is fixed in ultrashort binding clip installed part (93), ultrasonic reflection binding clip (91), binding clip transfer line (94) all have two, and the rear portion symmetry of two ultrasonic reflection binding clips (91) articulates in ultrashort binding clip installed part (93), two the rear portion of ultrasonic reflection binding clip (91) respectively is connected with a binding clip transfer line (94) front end, and the rear end of two binding clip transfer lines (94) joins the back and is connected with the front end of stay cord (6), two the inboard of ultrasonic reflection binding clip (91) all is provided with a plurality of rows of fall tong teeth (92).

3. The alligator-type biopsy forceps of claim 1, wherein: preceding slide bar subassembly (4) are including preceding slide bar (41), the hollow chamber of preceding slide bar (42), preceding slide bar spout (43) and bolt groove (44), the inside of preceding slide bar (41) is provided with the hollow chamber of preceding slide bar (42), be provided with between back slide bar (21) and preceding slide bar (41) slide bar baffle (24), the inside rear end of preceding slide bar (41) is provided with bolt groove (44), be provided with spring fixing bolt (11) in bolt groove (44), the rear end of reset spring (7) is fixed in spring fixing bolt (11), the inside of preceding slide bar (41) is located the hollow chamber of preceding slide bar (42) bilateral symmetry and is provided with two preceding slide bar spouts (43), be provided with apron (5) in preceding slide bar spout (43), apron (5) are with spring fixing bolt (11) gland in bolt groove (44).

4. Alligator-type biopsy forceps according to any one of claims 1 to 3, wherein: the inside of back slide bar (21) is provided with back slide bar spout (23), slide sleeve (31) inside is fixed with back slide bar slider (25), back slide bar slider (25) are arranged in back slide bar spout (23), the rear end of stay cord (6) is fixed at the front end central authorities of back slide bar slider (25).

5. The alligator-type biopsy forceps of claim 2, wherein: the outer side of the front end of the reset spring (7) is further provided with a forceps head sleeve (10), the forceps head sleeve (10) is located at the rear part of the ultra-short forceps head mounting piece (93), and the forceps head sleeve (10) is conical.

6. The alligator-type biopsy forceps of claim 2, wherein: positioning holes are uniformly and densely distributed on the outer portion of the ultrasonic reflection binding clip (91).

7. The alligator-type biopsy forceps of claim 1, wherein: and a rear slide bar retaining ring (22) is arranged on the outer side of the rear end of the rear slide bar (21).

8. The alligator-type biopsy forceps of claim 1, wherein: the front side and the rear side of the sliding sleeve (31) are both provided with a sliding sleeve baffle ring (32).

9. The alligator-type biopsy forceps of claim 1, wherein: the outer side of the reset spring (7) is sleeved with a spring tube protection tube (82), and the rear end of the spring tube protection tube (82) is provided with a protection tube hand-held ring (81).