CN202277348U

CN202277348U - Tumor diagnostic puncture needle

Info

Publication number: CN202277348U
Application number: CN2011203780172U
Authority: CN
Inventors: 张文智; 何蕾; 刘哲
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2011-09-30
Filing date: 2011-09-30
Publication date: 2012-06-20
Anticipated expiration: 2021-09-30

Abstract

The utility model relates to medical surgical instruments, in particular to a puncture needle for tumor diagnostics, and aims to provide a tumor diagnostic puncture needle, which has a simple structure, is low in cost, and can effectively prevent skin tissues from being contaminated. The tumor diagnostic puncture needle comprises a needle core and a needle body, wherein the needle core is positioned in the needle body, a needle head is arranged at the part of the front end of the needle body, which is penetrated by the needle core, the tumor diagnostic puncture needle further comprises an annular tube, the annular tube is sleeved at the outer end of the needle body, and the front end of the annular tube is positioned behind the front end of the needle body. After the structure is adopted, the puncture needle can be pulled out after the puncture sampling, the tumor tissue which flows out of the needle head is reserved in the annular tube before being contacted with the skin, so the skin tissues cannot be contaminated, the healthy skin of a patient is effectively protected, and the further treatment performed by a doctor is also benefited.

Description

The diagnosing tumor puncture needle

Technical field

This utility model relates to a kind of surgical instruments, particularly relates to a kind of puncture needle that is used for diagnosing tumor.

Background technology

When doing oncotherapy, need diagnose tumor tissue cell sometimes clinically, generally be to use puncture needle at present the inside tumor sample of tissue; Existing puncture needle is as shown in Figure 1, comprises nook closing member 1 ' and needle body 2 ', and the front end of nook closing member 1 ' is provided with syringe needle 3 '; When human body pulls out pin; Plastics needle body 2 ' can pass through skin histology together with metal nook closing member 1 ', and the needle track that the tumor tissues in this moment nook closing member 1 ' may be passed by along needle body 2 ' is by flowing out the pollution skin histology in the syringe needle 3 '; Skin histology to the patient brings infringement, also is unfavorable for doctor's further treatment.

The utility model content

In order to solve the problems of the technologies described above, this utility model provide a kind of simple in structure, cost is low, can effectively protect the not contaminated diagnosing tumor puncture needle of skin histology.

A kind of diagnosing tumor puncture needle of this utility model comprises nook closing member and needle body, and nook closing member is positioned at needle body, and the part that nook closing member passes the needle body front end is provided with syringe needle, also comprises sleeve pipe, and said casing pipe sleeve is located at the needle body outer end, and telescopic front end is positioned at the rear of needle body front end.

A kind of diagnosing tumor puncture needle of this utility model, wherein said nook closing member, needle body, syringe needle and sleeve pipe are processed by metal material.

This utility model difference from prior art is: a kind of diagnosing tumor puncture needle of this utility model; Set up a sleeve pipe in the needle body outer end; Make when puncture needle is extracted skin after sampling; Stayed in sleeve pipe before contacting skin from the effusive tumor tissues of syringe needle, can not pollute skin, effectively protected patient's healthy skin.

Be described further below in conjunction with the diagnosing tumor puncture needle of accompanying drawing this utility model.

Description of drawings

Fig. 1 is the structural representation of tumor puncture needle of the prior art;

Fig. 2 is the structural representation of this utility model diagnosing tumor puncture needle;

Fig. 3 is the user mode sketch map of this utility model diagnosing tumor puncture needle.

The specific embodiment

As shown in Figure 2, a kind of diagnosing tumor puncture needle of this utility model comprises nook closing member 1 and needle body 2; Nook closing member 1 is positioned at needle body 2, and the part that nook closing member 1 passes needle body 2 front ends is provided with syringe needle 3, also comprises sleeve pipe 4; Sleeve pipe 4 is sheathed on needle body 2 outer ends, and the front end of sleeve pipe 4 is positioned at the rear of needle body 2 front ends.

As shown in Figure 3, this utility model diagnosing tumor puncture needle in use, when puncture needle sampling tumor tissues 6; Syringe needle 3 gets into tumor tissues 6, and sleeve pipe 4 fore-ends get into skin histology 5, takes a sample when successfully the back is transferred to; Nook closing member 1 is transferred to through needle track with needle body 2, through before the skin histology 5, residues in the sleeve pipe 4 from nook closing member 1 effusive tumor tissues; Not direct contacting skin, thereby protected patient's healthy skin not contaminated.

Above-described embodiment describes the preferred implementation of this utility model; Be not that scope to this utility model limits; Under the prerequisite that does not break away from this utility model design spirit; Various distortion and improvement that those of ordinary skills make the technical scheme of this utility model all should fall in the definite protection domain of this utility model claims.

Claims

1. diagnosing tumor puncture needle; Comprise nook closing member (1) and needle body (2); Nook closing member (1) is positioned at needle body (2), and the part that nook closing member (1) passes needle body (2) front end is provided with syringe needle (3), it is characterized in that: also comprise sleeve pipe (4); Said sleeve pipe (4) is sheathed on needle body (2) outer end, and the front end of sleeve pipe (4) is positioned at the rear of needle body (2) front end.

2. diagnosing tumor puncture needle according to claim 1 is characterized in that: said nook closing member (1), needle body (2), syringe needle (3) and sleeve pipe (4) are processed by metal material.