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A kind of hematology bone marrow puncture needle

A bone marrow puncture and puncture needle technology, which is applied in the field of medical devices, can solve the problems of inaccurate orientation of bone puncture needles and easy slipping into the side of the iliac crest, etc.

Active Publication Date: 2021-08-27
WENZHOU CENT HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a hematology bone marrow puncture needle. By adding positioning components, force applying components and auxiliary parts, the bone puncture needle is not oriented accurately during puncture, and it is easy to slide into the iliac bone. bone side problems

Method used

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  • A kind of hematology bone marrow puncture needle
  • A kind of hematology bone marrow puncture needle
  • A kind of hematology bone marrow puncture needle

Examples

Experimental program
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Effect test

Embodiment

[0034] Embodiment: a kind of hematology bone marrow puncture needle 1, such as figure 1 As shown, it includes a puncture needle 1, a positioning assembly 2 for positioning the puncture needle 1, a force application assembly 3 installed on the positioning assembly 2 for driving the puncture needle 1 into the patient's body, and a device for assisting the puncture needle 1 to take out the bone marrow. Auxiliary piece 4.

[0035] combine figure 1 and figure 2 The puncture needle 1 includes a hollow needle end 11, a drainage tube 12 is fixedly connected behind the needle end 11, the needle end 11 is hollow and communicates with the drainage tube 12. A force application block 13 is provided on the rear side of the needle end 11 , wherein the force application block 13 is sleeved on the outside of the drainage tube 12 and fixedly connected to the rear side of the needle end 11 . Offer drainage hole 14 in needle end 11 front end side walls (as image 3 ), the drainage hole 14 is...

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Abstract

The invention discloses a hematology bone marrow puncture needle, which comprises a puncture needle, a positioning assembly for positioning the puncture needle, a force applying assembly installed on the positioning assembly for driving the puncture needle into a patient's body, and a device for assisting the removal of the puncture needle Auxiliary parts for bone marrow, the positioning component includes a fixing part, a connecting part installed on the fixing part for connecting the force application component, the fixing part includes a fixing plate made of hard material, a silicone sticker fixed at the bottom of the fixing plate It solves the problem that the bone puncture needle is inaccurately oriented during puncture, easily slips into the side of the ilium, cannot enter the bone marrow cavity, or penetrates into the bone marrow cavity and then passes out of the bone marrow cavity.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a hematology bone marrow puncture needle. Background technique [0002] Bone marrow aspiration is a common diagnostic technique for collecting bone marrow fluid. Clinically, bone marrow aspiration is also commonly used for blood cell morphology examination, and can also be used for hematopoietic stem cell collection, culture, cytogenetic analysis, and pathogenic biology inspection. [0003] The collection tools used to collect bone marrow fluid are usually based on bone puncture needles. The commonly used bone puncture needles are not oriented accurately during puncture. The bone marrow cavity is pierced out of the bone marrow cavity; at the same time, the puncture depth cannot be precisely controlled. [0004] In view of the above problems, a Chinese patent with the notification number CN106308853A discloses a hematology bone marrow puncture needle. A non-slip rubb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B10/02
CPCA61B10/0045A61B10/025A61B2010/0258
Inventor 郑翠苹叶承逾
Owner WENZHOU CENT HOSPITAL
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