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Bone marrow aspiration device for blood medicine

A technique for bone marrow puncture and internal medicine, applied in the field of medical devices, can solve problems such as insufficient practicability and inability to meet needs, and achieve the effects of fast anesthesia, increased speed, and convenient use.

Inactive Publication Date: 2021-01-26
THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a bone marrow puncture extraction device for hematology, which solves the problems that the functions realized by some structures in the prior art are insufficient in practicability and cannot meet more demands

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  • Bone marrow aspiration device for blood medicine
  • Bone marrow aspiration device for blood medicine
  • Bone marrow aspiration device for blood medicine

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] see Figure 1-8, the embodiment of the present invention provides a technical solution: hematology bone marrow puncture extraction device, including an outer cylinder 1 and a chassis 2, the center of the bottom of the outer cylinder 1 is fixedly connected with an inner needle fixing block 10, and the inner needle fixing block 10 The top communicates with the bottom of the inner cylinder 3, and the bottom of the inner needle fixing block 10 communicates ...

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Abstract

The invention discloses a hematology bone marrow puncture extracting device. The device comprises an outer tube body and a base, the outer tube body is internally and fixedly connected with an inner tube body, a first piston is slidably connected between the inner surface of the outer tube body and the outer surface of the inner tube body, the top of the first piston is fixedly connected with a pushing tube, the pushing sleeves the inner tube body, the top of the pushing tube extends to the exterior of the outer tube body, the top of the pushing tube is fixedly connected with a first pushing plate, and the hematology bone marrow puncture extracting device relates to the technical field of medical instruments. The hematology bone marrow puncture extracting device has the advantages that theouter tube body and the inner tube body are cooperatively used together with an inner needle head and an outer needle head, the outer tube body is used for storing anaesthetic, the inner tube body isused for storing bone marrow samples, so that the extracted bone marrow does not contain the anaesthetic, the quality of bone marrow is not influenced, a first piston and a second piston can be pushed to slide by the pushing tube and a crossed pushing rod respectively to be used for anaesthetic injection and bone marrow extraction, the pushing tube and the crossed pushing rod do not interfere with each other, and the use is convenient.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a bone marrow puncture extraction device for hematology. Background technique [0002] Bone marrow is the hematopoietic tissue in the human body, located in the medullary cavity of long bones and all bone marrow. There are two types of bone marrow in adults: red marrow and yellow marrow. Red bone marrow produces red blood cells, platelets and various white blood cells. Platelets have a hemostatic effect, white blood cells can kill and inhibit various pathogens, including bacteria, viruses, etc.; some lymphocytes can produce antibodies. Therefore, bone marrow is not only a hematopoietic tissue, but also an important immune tissue. Bone marrow aspiration is a routine diagnostic technique for clinical extraction of bone marrow, and a bone marrow aspiration needle is a necessary medical device in the process of bone marrow aspiration. In the prior art, when a conventional...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B10/02
CPCA61B10/025A61B10/0283A61B2010/0258
Inventor 王岩
Owner THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
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