CN212261409U

CN212261409U - Suction type biopsy needle with cutting process convenient to adjust

Info

Publication number: CN212261409U
Application number: CN202020286418.4U
Authority: CN
Inventors: 石太建
Original assignee: Yunnan Yiao Biological Technology Co ltd
Current assignee: Yunnan Yiao Biological Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2021-01-01
Anticipated expiration: 2030-03-10

Abstract

The utility model provides a suction type biopsy needle with a cutting process convenient to adjust. The aspiration biopsy needle with cutting procedure convenient to adjust comprises an outer needle; a suction port disposed at a tip of the outer needle; the positioning ring is sleeved on the outer needle in a sliding manner; the positioning structure is arranged on the positioning ring. The utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for has the location cutting process of being convenient for, and cuts the convenient advantage of control.

Description

Suction type biopsy needle with cutting process convenient to adjust

Technical Field

The utility model relates to the technical field of medical appliances, especially, relate to a suction type biopsy needle of cutting process adjustment of being convenient for.

Background

Biopsy (biopsy) is also called surgical pathology examination, and is called external examination; this refers to a technique for taking out a diseased tissue from a patient by incision, forceps, puncture, or the like, and performing pathological examination, as required for diagnosis and treatment. This is the most important part of the diagnosis of pathology, and a clear histopathological diagnosis can be made for the vast majority of examined cases, as a clinical final diagnosis. The traditional biopsy instrument consists of a biopsy needle and a biopsy gun, and has the following structure and working principle: the traditional biopsy needle has an inner needle (i.e. a cutting needle) and an outer needle (i.e. a sleeve), the outer needle is provided with scale marks, and the inner needle is provided with a cutting edge and a storage trough. The biopsy gun has a casing, a needle seat ejection system, a range-adjustable braking system under the needle seat, a spring pull ring and a trigger at the tail.

However, the conventional biopsy needle does not have a positioning adjusting structure, the absorption depth in use is completely positioned by hand, once the biopsy needle is accidentally inserted too deeply, healthy tissue organs are damaged, the conventional biopsy needle is arranged on a biopsy gun, the biopsy needle is inserted into a predetermined organ position under the guidance of ultrasonic development, a tissue cutting size is set on the biopsy gun, a wrench is started, an inner needle (namely, a cutting needle) rapidly advances and retreats under the driving of a spring, so that living tissues are cut and stored in a storage tank, and the electric mode is poor in force control, and the tearing injury is easily caused.

Therefore, there is a need to provide a new aspiration biopsy needle with a cutting procedure that is easy to adjust to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a cutting process is convenient for adjust's suction formula biopsy needle convenient to location cutting process, and cutting control is convenient.

In order to solve the technical problem, the utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for includes: an outer needle; a suction port disposed at a tip of the outer needle; the positioning ring is sleeved on the outer needle in a sliding manner; the positioning structure is arranged on the positioning ring.

Preferably, the positioning structure comprises two sliding grooves, a plurality of caulking grooves, two sliding blocks, two threaded holes, two threaded rods, two screwing blocks and scales, the two sliding grooves are respectively arranged at two sides of the outer needle, the caulking grooves are respectively arranged at the top and the bottom of the outer needle, the two sliding blocks are respectively fixedly arranged on the inner walls of two sides of the positioning ring, one sides of the two sliding blocks, which are close to each other, are respectively extended into the two sliding grooves and are in sliding connection with the inner walls of the sliding grooves, the two threaded holes are respectively arranged on the inner walls of the top and the bottom of the positioning ring, the two threaded rods are respectively in threaded arrangement in the two threaded holes, one ends of the two threaded rods, which are close to each other, are respectively extended into the corresponding caulking grooves, one ends of the two threaded rods, which are far away from each other, are respectively and fixedly arranged at one ends of the two threaded rods, which are far away, the scales are arranged on the outer needle.

Preferably, one side of each screwing block, which is far away from the two screw rods, is provided with a tool screwing groove.

Preferably, the positioning ring is made of light plastic.

Preferably, the outer needle is provided with a rotating structure, and the rotating structure is in contact with the positioning ring.

Preferably, revolution mechanic includes the lantern ring, bearing and handheld ring, the fixed cover of lantern ring is established on the outer needle, the lantern ring is kept away from one side of suction interface with the holding ring contacts, the fixed cover of inner circle of bearing is established on the lantern ring, the fixed cover of handheld ring is established on the outer lane of bearing.

Preferably, the lantern ring and the hand-held ring are both made of stainless steel.

Compared with the prior art, the utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for has following beneficial effect:

the utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for, it is convenient to slide on outer needle through mobilizable holding ring, and the higher authority is equipped with the scale depth of observation of being convenient for simultaneously, makes things convenient for the contrast record, and is very convenient.

Drawings

FIG. 1 is a front view of a first embodiment of an aspiration biopsy needle with a cutting procedure that is easily adjustable according to the present invention;

FIG. 2 is a side, cross-sectional, structural schematic view of a first embodiment of a suction biopsy needle with a cutting procedure that is easily adjustable according to the present disclosure;

FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;

fig. 4 is a bottom view of the outer needle of the present invention;

FIG. 5 is a front view of a second embodiment of an aspiration biopsy needle with a cutting procedure that is easily adjustable according to the present invention;

fig. 6 is an assembly view of the rotation structure of the present invention.

Reference numbers in the figures: 1. outer needle, 2, suction interface, 3, holding ring, 4, spout, 5, caulking groove, 6, slider, 7, screw hole, 8, screw rod, 9, twist the piece, 10, scale, 11, lantern ring, 12, bearing, 13, handheld ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment:

please refer to fig. 1-4. An aspiration biopsy needle with a cutting procedure that is easily adjustable includes: an outer needle 1; a suction port 2, wherein the suction port 2 is arranged at the top end of the outer needle 1; the positioning ring 3 is sleeved on the outer needle 1 in a sliding manner; and the positioning structure is arranged on the positioning ring 3.

The positioning structure comprises two sliding grooves 4, a plurality of caulking grooves 5, two sliding blocks 6, two threaded holes 7, two screw rods 8, two twisting blocks 9 and scales 10, wherein the two sliding grooves 4 are respectively arranged at two sides of the outer needle 1, the caulking grooves 5 are respectively arranged at the top and the bottom of the outer needle 1, the two sliding blocks 6 are respectively fixedly arranged on the inner walls at two sides of the positioning ring 3, one sides of the two sliding blocks 6 close to each other are respectively extended into the two sliding grooves 4 and are in sliding connection with the inner walls of the sliding grooves 4, the two threaded holes 7 are respectively arranged on the inner walls at the top and the bottom of the positioning ring 3, the two screw rods 8 are respectively arranged in the two threaded holes 7 in a threaded manner, one ends of the two screw rods 8 close to each other are respectively extended into the corresponding caulking grooves 5, and one ends of the two screw rods 8 far away from each other are respectively extended out of the positioning ring 3, the two screwing blocks 9 are respectively and fixedly installed at one ends, far away from the two screw rods 8, of the outer needle 1, and the scales 10 are arranged on the outer needle.

Two twist piece 9 and keep away from two one side of screw rod 8 has all been seted up the instrument and has twisted the groove.

The positioning ring 3 is made of light plastic.

In this embodiment:

during the use, make interior needle and the coaxial setting of outer needle 1 among the prior art, install the exit end at outer needle 1 to suction interface 2 during the installation, be equipped with the ultrasonic reflection district among the prior art on outer needle 1, the position in ultrasonic reflection district closes on the port position of outer needle 1, when the treatment, make the joint of outer needle 1 pierce predetermined organ position under the guide of supersound development after, use slip holding ring 3 to contact outer skin, later use the instrument to twist two and twist piece 9, it rotates and drives screw rod 8 and rotate to twist piece 9, screw rod 8 is embedded into under the closure of screw hole 7 and is accomplished fixing holding ring 3 in the caulking groove 5 that corresponds, later side can take a sample.

the utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for, it is convenient to slide on outer needle 1 through mobilizable holding ring 3, is equipped with the degree of depth of observation of being convenient for of scale 10 above the while, and convenient contrast record is very convenient.

Second embodiment:

based on the aspiration biopsy needle with a cutting procedure that is easy to adjust provided by the first embodiment of the present application, the second embodiment of the present application proposes another aspiration biopsy needle with a cutting procedure that is easy to adjust. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 5-6, the aspiration biopsy needle with a cutting process easily adjusted further includes a rotating structure disposed on the outer needle 1, and the rotating structure contacts with the positioning ring 3.

Revolution mechanic includes lantern ring 11, bearing 12 and

handheld ring

13, 11 fixed cover of lantern ring is established on the outer needle 1, lantern ring 11 is kept away from one side of suction port 2 with holding ring 3 contacts, the fixed cover of inner circle of bearing 12 is established on the lantern ring 11, the fixed cover of handheld ring 13 is established on the outer lane of bearing 12.

The lantern ring 11 and the hand-held ring 13 are both made of stainless steel.

In this embodiment:

the needle end of the outer needle 1 of this device is equipped with the barb, and handheld ring 13 is handed during the sample to handheld ring 13 is twisted after being the fixed point and is moved suction interface 2, and suction interface 2 drives outer needle 1 and rotates under the drive of bearing 12 and lantern ring 11, cuts the position of concurrency at the position barb of port when outer needle 1 rotates, and the living body that closes off soon can take out through suction interface 2, and experience and the control of feeling through the doctor when revolving is comparatively convenient.

the utility model provides a suction type biopsy needle of cutting process adjustment of being convenient for, through handheld mode, cooperation doctor's experience with feel convenient operation not only, and be favorable to gathering together doctor's experience.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An aspiration biopsy needle with cutting procedure that is easily adjustable, comprising:

an outer needle;

a suction port disposed at a tip of the outer needle;

the positioning ring is sleeved on the outer needle in a sliding manner;

the positioning structure is arranged on the positioning ring.

2. The aspiration biopsy needle with conveniently adjusted cutting process according to claim 1, wherein the positioning structure comprises two sliding grooves, a plurality of caulking grooves, two sliding blocks, two threaded holes, two threaded rods, two screwing blocks and scales, the two sliding grooves are respectively formed on two sides of the outer needle, the plurality of caulking grooves are respectively formed on the top and the bottom of the outer needle, the two sliding blocks are respectively fixedly mounted on the inner walls of two sides of the positioning ring, the sides of the two sliding blocks close to each other extend into the two sliding grooves and are slidably connected with the inner walls of the sliding grooves, the two threaded holes are respectively formed on the inner walls of the top and the bottom of the positioning ring, the two threaded rods are respectively threadedly mounted in the two threaded holes, and the ends of the two threaded rods close to each other extend into the corresponding caulking grooves, two the one end that the screw rod kept away from each other all extends to outside the holding ring, two twist the piece respectively fixed mounting two the one end that the screw rod kept away from each other, the scale is seted up on the outer needle.

3. The aspiration biopsy needle with adjustable cutting progress of claim 2, wherein a tool screw groove is formed on one side of each of the two screw blocks, which is far away from the two screw rods.

4. The aspiration biopsy needle with adjustable cutting procedure of claim 1, wherein the retaining ring is made of a lightweight plastic material.

5. The aspiration biopsy needle with adjustable cutting progress of claim 1, wherein the outer needle has a rotational structure thereon, the rotational structure contacting the retaining ring.

6. The aspiration biopsy needle with cutting procedure readily adjustable of claim 5, wherein the rotational structure comprises a collar, a bearing and a hand-held ring, the collar is fixedly sleeved on the outer needle, one side of the collar away from the suction port contacts with the positioning ring, an inner ring of the bearing is fixedly sleeved on the collar, and the hand-held ring is fixedly sleeved on an outer ring of the bearing.

7. The aspiration biopsy needle with cutting procedure easily adjustable of claim 6, wherein the collar and the hand ring are both made of stainless steel.