CN213606538U

CN213606538U - Biopsy sampler

Info

Publication number: CN213606538U
Application number: CN202021994765.9U
Authority: CN
Inventors: 李维铭; 于沂阳; 潘会会
Original assignee: Dragon Crown Medical Co Ltd
Current assignee: Dragon Crown Medical Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-06
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to the field of medical equipment, a biopsy sampler is provided, the installation structure comprises a sleeve, sheathed tube rear portion is provided with and is used for the joint of being connected with adsorption equipment, the joint through-hole that link up around having on the joint, connect through-hole and sheathed tube middle through-hole intercommunication. By providing the joint at the rear portion of the cannula, the suction device such as a syringe is connected to the joint during surgical use, and the soft tissue and the bone tissue are sucked by the suction device.

Description

Biopsy sampler

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a biopsy sampler.

Background

At present, with the development of industrial modernization, the incidence of tumors in spine, joint bones and soft tissues increases year by year, and biopsy analysis is required for pathological changes of human bodies, and generally, the biopsy analysis is generally used for taking biopsies of soft tissues and bone tissues in a minimally invasive surgery process.

The Chinese patent with the application number of 201420101291.9 discloses an improved hollow biopsy vertebra, which comprises a push rod and a sleeve, wherein the push rod is movably inserted into the sleeve, the tail end of the push rod is provided with a push handle, the tail end of the sleeve is provided with a grab handle, the front part of the sleeve is provided with at least two arc-shaped blade surfaces which are in the same cylinder with the sleeve and plough-shaped blade surfaces which are arranged at intervals and are bent inwards along the wall of the sleeve, and the problem of low success rate of material taking is solved. However, due to the characteristics of the front teeth, the front teeth are difficult to machine during machining and manufacturing, and cause great cost during production.

In addition, the existing biopsy device does not have a scheme of adsorbing soft tissues and bone tissues by using an auxiliary adsorption device, so that the taking-out efficiency is low.

Therefore, in order to solve the problems of the above-mentioned chinese patent with application No. 201420101291.9 and the existing biopsy device, it is necessary to develop a new biopsy sampler.

SUMMERY OF THE UTILITY MODEL

On the one hand, for solving above-mentioned "current biopsy device does not have the scheme that utilizes supplementary adsorption equipment to adsorb out soft tissue and bone tissue yet, cause the technical problem who takes out inefficiency", the utility model provides a scheme is: the utility model provides a biopsy sampler, includes the sleeve pipe, sheathed tube rear portion is provided with the joint that is used for being connected with adsorption equipment, the joint through-hole that link up around having on the joint, connect through-hole and sheathed tube middle through-hole intercommunication. By providing the joint at the rear portion of the cannula, the suction device such as a syringe is connected to the joint during surgical use, and the soft tissue and the bone tissue are sucked by the suction device.

Further, the exterior of the fitting has external threads. Facilitating the stability of the connection.

Further, the connector is a luer connector. Luer connectors are national standards and can be widely applied to connection with various adsorption devices.

Further, the rear portion of the sleeve has a handle, and the joint is provided on the handle. The arrangement of the joint and the connection with the adsorption device are convenient.

Furthermore, the handle is provided with an intermediate sleeve, the handle is sleeved at the rear part of the sleeve through the intermediate sleeve, and the joint is arranged at the rear part of the intermediate sleeve.

Further, the joint and the middle sleeve are integrally formed. Easy production and manufacture, and large-scale and standardized production.

Further, the inner diameter of the joint through hole is larger than that of the middle through hole of the sleeve. Is convenient for sucking out soft tissues and bone tissues.

On the other hand, in order to solve the problem that the front teeth of the Chinese patent with the application number of 201420101291.9 are difficult to process, the front part of the sleeve is further improved by a plurality of oblique sharp teeth which are arranged around the sleeve, and bent teeth which are bent towards the middle of the sleeve are arranged between the oblique sharp teeth.

Further, the bent teeth are wide teeth or sharp teeth

Further, the push rod is inserted into the middle through hole of the sleeve and can move along the axis of the middle through hole.

According to the technical scheme, the utility model has the advantages of it is following:

this scheme provides a biopsy sampler, sets up luer joint at sheathed tube rear portion, and in the operation use, be connected with the syringe through this joint, the piston through the pulling syringe adsorbs soft tissue and bone tissue out, has improved the efficiency of taking out. In addition, the front part of the sleeve is provided with a plurality of inclined sharp teeth which are arranged around the sleeve, and bent teeth which are bent towards the middle of the sleeve are also arranged between the inclined sharp teeth, so that the success rate of material taking is improved during an operation, and meanwhile, the sleeve is easy to machine and form in the production process.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a side view of the front of a bushing in accordance with an embodiment of the present invention.

Fig. 2 is a rear side view of a bushing in accordance with an embodiment of the present invention.

Fig. 3 is a schematic structural view showing a bent tooth as a wide tooth according to an embodiment of the present invention.

FIG. 4 is a schematic view of the embodiment of the present invention showing the structure of the bent teeth being sharp teeth

In the figure, 1, a sleeve, 2, a joint, 3, a handle, 4, an intermediate sleeve, 5, a slanting tine, 6 and a bent tooth.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Detailed description of the preferred embodiment 1

As shown in fig. 1 to 3, the present embodiment provides a biopsy sampler, which mainly comprises a push rod and a cannula 1, wherein the push rod is movably inserted into the cannula 1, and the push rod is inserted into a middle through hole of the cannula 1 and can move along an axis of the middle through hole, so as to perform biopsy of soft tissue and bone tissue during minimally invasive orthopedic intervention such as percutaneous vertebroplasty.

Detailed description of the preferred embodiment 2

As shown in fig. 1 and fig. 2, the present embodiment is further improved on the basis of embodiment 1, and the improvement points are as follows: the rear portion of sleeve pipe 1 is provided with and is used for the joint 2 of being connected with adsorption equipment, connects and has the joint through-hole that link up around having on 2, connects the through-hole and communicates with the middle through-hole of sleeve pipe 1, and the outside that connects 2 has the external screw thread, and joint 2 in this scheme adopts luer to connect. Specifically, the rear portion of the sleeve 1 is provided with a handle 3, the handle 3 is provided with a middle sleeve 4, the handle 3 is sleeved on the rear portion of the sleeve 1 through the middle sleeve 4, the joint 2 is arranged at the rear portion of the middle sleeve 4 and is integrally formed with the middle sleeve 4, and in addition, the inner diameter of the joint through hole is larger than that of the middle through hole of the sleeve 1, so that soft tissues and bone tissues can be sucked out conveniently.

The principle of the biopsy sampler is as follows: when the bone drill drills into the bone, the bone drill rotates and pushes forwards, so that a spiral groove is carved on the outside of the bone falling into the sleeve when the bone drill drills into the sleeve, when the bone drill is in place (the bone drill is used for biopsy estimation), the bone drill does not push the bone drill, the bone drill rotates in situ, an annular groove is carved on the outer surface of the bone, and cut bone tissues can be broken and taken out from the groove when the biopsy device is taken out.

When the biopsy sampler is used, the joint 2 is connected with the adsorption device, the adsorption device generally adopts an injector, and a piston of the injector is outwards pumped to adsorb soft tissues and bone tissues so as to improve the efficiency of taking out the soft tissues and the bone tissues.

Detailed description of preferred embodiments 3

As shown in fig. 1 to 4, the present embodiment is improved on the basis of

embodiment

1 or 2, and the improvement points are as follows: the front part of the sleeve 1 is provided with a plurality of oblique sharp teeth 5, the oblique sharp teeth 5 are arranged around the sleeve 1, the front part of the sleeve 1 is further provided with bent teeth 6, the bent teeth 6 are positioned between the oblique sharp teeth 5, meanwhile, the bent teeth 6 are bent towards the middle of the sleeve 1 to form a certain inclined angle, in some embodiments, the bent teeth can be wide teeth or sharp teeth, and are integrally straight and inclined. The success rate of material taking is improved during operation, and simultaneously, the processing and molding in the production process are easy.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings, if any, are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a biopsy sampler, its characterized in that includes sleeve pipe (1), the rear portion of sleeve pipe (1) is provided with and is used for connecting with adsorption equipment connects (2), connect the joint through-hole that link up around having on (2), connect the middle through-hole intercommunication of through-hole and sleeve pipe (1).

2. Biopsy sampler according to claim 1, characterized in that the joint (2) has an external thread on its exterior.

3. Biopsy sampler according to claim 2, characterized in that the connector (2) is a luer connector.

4. Biopsy sampler according to any of claims 1-3, wherein the cannula (1) has a handle (3) at the rear, the joint (2) being arranged on the handle (3).

5. Biopsy sampler according to claim 4, wherein the handle (3) has an intermediate sleeve (4) thereon, the handle (3) being arranged at the rear of the cannula (1) via the intermediate sleeve (4), the adapter (2) being arranged at the rear of the intermediate sleeve (4).

6. Biopsy sampler according to claim 5, characterized in that the joint (2) is integrated with the intermediate sleeve (4).

7. Biopsy sampler according to claim 6, wherein the inner diameter of the through hole of the adapter is larger than the inner diameter of the middle through hole of the cannula (1).

8. A biopsy sampler according to any of claims 1-3, wherein the front part of the sleeve (1) is provided with a number of bevelled tines (5), which bevelled tines (5) are arranged around the sleeve (1), and between the bevelled tines (5) there are also arranged bent teeth (6) that are bent towards the middle of the sleeve (1).

9. Biopsy sampler according to claim 8, wherein the bent teeth (6) are wide or pointed teeth.

10. Biopsy sampler according to any of claims 1-3, further comprising a push rod inserted into the central through hole of the cannula (1) and movable along the axis of the central through hole.