CN200998289Y

CN200998289Y - Marrow puncture needle

Info

Publication number: CN200998289Y
Application number: CNU2007200190105U
Authority: CN
Inventors: 葛祥花; 韦标方
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-15
Filing date: 2007-02-15
Publication date: 2008-01-02
Anticipated expiration: 2017-02-15

Abstract

The utility model discloses a bone marrow puncture needle, belonging to a medical appliance, which solves the fault that the bone marrow puncture needle of the prior art is not convenient for holding and deciding the depth of the needle feeding. The utility model mainly comprises a needle tube, a screw rod, a needle tube handle, a limiter, a positioning nut, a needle core, and a needle core handle; the needle tube is connected with the screw rod as a whole, the other end of the screw rod is connected with the handle of needle tube; the limiter and the positioning nut are screwed on the screw rod, the needle tube, the screw rod, and the needle tube handle are arranged in the inner cavity matched with the needle core; the needle core is connected with the needle core handle as a whole, a rectangular positioning claw is arranged on the needle core handle, and a positioning concave groove corresponded with the rectangular positioning claw is arranged on the needle tube handle; a T-shaped handle is arranged at the end of needle core handle, and the scale lines are arranged on the needle tube. The utility model is mainly used for the department of hemopathology in hospital.

Description

Marrow puncture needle

Technical field

This utility model belongs to a kind of medical apparatus and instruments, specifically, relates to the marrow puncture needle that a kind of hospital clinical uses.

Background technology

Bone marrow aspiration is the essential technical operation of diagnosis hematopathy, and marrow puncture needle is the indispensable instrument of bone marrow aspiration.There is following defective in existing marrow puncture needle: the one, and needle tubing and nook closing member are respectively equipped with handle, and handle is rounded, because the size of marrow puncture needle is less, the size of handle is also less, when puncturing, is not easy to grip, and has influenced the dynamics of inserting needle; The 2nd, there is not scale on the needle tubing, be not easy to judge the depth of inserting needle, the harm that enters the abdominal cavity easily, and when exchanging, be not easy to describe.

Summary of the invention

In order to overcome the defective that is not easy to grip and be not easy to judge the inserting needle depth that marrow puncture needle exists in the prior art, this utility model provides a kind of marrow puncture needle.

This utility model is realized by the following technical solutions: a kind of marrow puncture needle comprises needle tubing, screw rod, syringe handle, stop, setscrew nut, nook closing member, nook closing member hands handle; Needle tubing and screw rod are connected as a single entity, and the other end of screw rod is connected with syringe handle; Stop, setscrew nut are spun on the screw rod, and needle tubing, screw rod, syringe handle are provided with the inner chamber that is complementary with nook closing member; Nook closing member and nook closing member handle are connected as a single entity, and the nook closing member handle is provided with the rectangle locating detent, and syringe handle is provided with corresponding with it detent; The nook closing member handle end is provided with T shape handle.

Can be provided with graduation mark on the needle tubing.

Compared with prior art, the beneficial effects of the utility model are: be convenient to grip, exert oneself when carrying out bone marrow aspiration, and be convenient to judge the depth of inserting needle.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is a vertical view of the present utility model.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

In figure: 1, nook closing member; 2, needle tubing; 3, stop; 4, setscrew nut; 5, screw rod; 6, syringe handle; 7, rectangle locating detent; 8, nook closing member hands handle; 9, T shape handle; 10, graduation mark.

A kind of marrow puncture needle comprises four parts: the needle tubing 2 that is connected as a single entity, screw rod 5, syringe handle 8; The nook closing member 1 that is connected as a single entity, nook closing member handle 8 and T shape handle 9; Stop 3; Setscrew nut 4.Needle tubing 2, screw rod 5, syringe handle 8 are provided with the inner chamber that is complementary with nook closing member 1 diameter, and nook closing member 1 can insert or extract easily; Stop 3, setscrew nut 4 are spun on the screw rod 5, by rotation can the move left and right position to determine the depth capacity of puncture; Nook closing member handle 8 is provided with the rectangle locating detent, and syringe handle 8 is provided with corresponding with it detent, inserts by correct direction to guarantee nook closing member 1; Needle tubing 2 is provided with graduation mark 10, so that grasp the degree of depth of puncture at any time.

When using this marrow puncture needle, rotary stopper device 3 and setscrew nut 4 determine that maximum penetrates the degree of depth, rectangle locating detent on the nook closing member handle 8 and the detent on the syringe handle 8 are aligned, the T shape handle 9 of holding with a firm grip firmly penetrates the human body that will penetrate, extract nook closing member 1, insert syringe extraction bone marrow blood then and get final product.

Claims

1, a kind of marrow puncture needle comprises needle tubing, screw rod, syringe handle, stop, setscrew nut, nook closing member, nook closing member hands handle; Needle tubing and screw rod are connected as a single entity, and the other end of screw rod is connected with syringe handle; Stop, setscrew nut are spun on the screw rod, and needle tubing, screw rod, syringe handle are provided with the inner chamber that is complementary with nook closing member; Nook closing member and nook closing member handle are connected as a single entity, and the nook closing member handle is provided with the rectangle locating detent, and syringe handle is provided with corresponding with it detent; It is characterized in that: the nook closing member handle end is provided with T shape handle.

2, marrow puncture needle according to claim 1, it is characterized in that: needle tubing is provided with graduation mark.