CN202365819U - Novel myeloid biopsy needle - Google Patents

Novel myeloid biopsy needle Download PDF

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Publication number
CN202365819U
CN202365819U CN2011204166135U CN201120416613U CN202365819U CN 202365819 U CN202365819 U CN 202365819U CN 2011204166135 U CN2011204166135 U CN 2011204166135U CN 201120416613 U CN201120416613 U CN 201120416613U CN 202365819 U CN202365819 U CN 202365819U
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CN
China
Prior art keywords
needle
handle
biopsy
needle tubing
bayonet
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Expired - Fee Related
Application number
CN2011204166135U
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Chinese (zh)
Inventor
江亚军
王红霞
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Individual
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Individual
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Priority to CN2011204166135U priority Critical patent/CN202365819U/en
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Publication of CN202365819U publication Critical patent/CN202365819U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a novel myeloid biopsy needle and belongs to the technical field of medical apparatus and instruments. The novel myeloid biopsy needle consists of a needle tubing, a needle core and a handle. The needle core is fixedly connected with the handle; the needle tubing is connected with the handle in a mode that concave and convex bayonets are embedded; the tail end of the needle tubing of the biopsy needle is provided with one deep concave bayonet and one shallow concave bayonet; and the front end of the handle is provided with one convex bayonet. When the bone marrow biopsy is carried out, firstly, the convex bayonet is arranged in the deep concave bayonet, the needle core is exposed out of the biopsy needle tubing, the needle is convenient to enter, the convex bayonet is regulated into the shallow concave bayonet after being fixed, and the needle core is retracted into the needle tubing. A sufficient space is reserved for the biopsy and the needle core does not need to be totally pulled out. The operation process is simplified. The stability and the success rate of puncturing are improved.

Description

A kind of novel myeloid biopsy needle
Affiliated technical field
This utility model discloses a kind of novel myeloid biopsy needle, belongs to technical field of medical instruments.
Background technology
Clinical myeloid biopsy needle commonly used mainly is made up of needle tubing, connecting portion, nook closing member, handle at present, and nook closing member is connected with handle, connects through concavo-convex bayonet socket between needle tubing, connecting portion, handle.When bone marrow biopsy, earlier needle tubing, nook closing member, handle are connected, extract nook closing member after fixing, connecting portion is connected between needle tubing and the handle, complicated operating process, the biopsy success rate is on the low side, and it is painful to increase patient's body and mind.
Summary of the invention
Use the myeloid biopsy needle complicated operating process always in order to overcome, the shortcoming that the biopsy success rate is on the low side, this utility model provides a kind of novel myeloid biopsy needle.This myeloid biopsy needle is simple in structure, and is simple for production, and the flow process that simplifies the operation improves the stability and the success rate of puncture.
This utility model solves the technical scheme that its technical problem adopted: this novel myeloid biopsy needle is made up of needle tubing, nook closing member, handle, and nook closing member is fixedly connected with handle, is connected through the embedding of concavo-convex bayonet socket phase between needle tubing and handle.Dark, shallow two the recessed bayonet sockets of biopsy needle needle tubing tail end band; Convex clip mouth of handle front end band; Earlier the convex clip mouth is placed dark recessed bayonet socket during bone marrow biopsy, nook closing member is exposed to the biopsy needle tubing and is convenient to inserting needle, the convex clip mouth is adjusted in the scrobicula bayonet socket after fixing again; Nook closing member bounces back in the needle tubing, for biopsy leaves adequate space and need not to extract fully nook closing member.
The beneficial effect of this utility model is: regulate the position of nook closing member in needle tubing through the evolution of handle front end convex clip mouth between dark recessed bayonet socket of needle tubing tail end and scrobicula bayonet socket during bone marrow biopsy; Need not to extract fully nook closing member; The flow process that simplifies the operation improves the stability and the success rate of puncture.
Description of drawings
Below in conjunction with accompanying drawing and embodiment this utility model is further specified.
Fig. 1 is a utility model myeloid biopsy needle needle tubing sketch map.
Fig. 2 is a utility model myeloid biopsy needle nook closing member sketch map.
Shown in the figure: 1. needle tubing, 2. needle tubing tail end, 4. dark recessed bayonet socket, 3. scrobicula bayonet socket, 5. nook closing member, 6. convex clip mouth, 7. handle.
The specific embodiment
In embodiment as shown in the figure, earlier nook closing member (5) is inserted needle tubing (1) and handle front end convex clip mouth (6) is placed the dark recessed bayonet socket (4) of needle tubing tail end (2) during bone marrow biopsy, nook closing member (5) exposes from needle tubing (1); Gripping handle (7) inserting needle, fixing back is returned and is removed nook closing member (5), and convex clip mouth (6) is placed scrobicula bayonet socket (3); Nook closing member (5) bounces back in the needle tubing (1); Gripping handle (7) inserting needle places dark recessed bayonet socket (4) with convex clip mouth (6) after pulling out pin again, and myeloid tissue is extruded.

Claims (1)

1. novel myeloid biopsy needle, characteristic is made up of needle tubing, nook closing member, handle, and nook closing member is fixedly connected with handle, and needle tubing is connected through concavo-convex bayonet socket with handle, dark, shallow two the recessed bayonet sockets of needle tubing tail end band, convex clip mouth of handle front end band.
CN2011204166135U 2011-10-20 2011-10-20 Novel myeloid biopsy needle Expired - Fee Related CN202365819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204166135U CN202365819U (en) 2011-10-20 2011-10-20 Novel myeloid biopsy needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204166135U CN202365819U (en) 2011-10-20 2011-10-20 Novel myeloid biopsy needle

Publications (1)

Publication Number Publication Date
CN202365819U true CN202365819U (en) 2012-08-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204166135U Expired - Fee Related CN202365819U (en) 2011-10-20 2011-10-20 Novel myeloid biopsy needle

Country Status (1)

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CN (1) CN202365819U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105496469A (en) * 2016-01-07 2016-04-20 孙龙 Bone marrow puncture needle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105496469A (en) * 2016-01-07 2016-04-20 孙龙 Bone marrow puncture needle

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120808

Termination date: 20131020