CN210124823U - Bone marrow puncture needle device for hematology department - Google Patents

Bone marrow puncture needle device for hematology department Download PDF

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Publication number
CN210124823U
CN210124823U CN201821765944.8U CN201821765944U CN210124823U CN 210124823 U CN210124823 U CN 210124823U CN 201821765944 U CN201821765944 U CN 201821765944U CN 210124823 U CN210124823 U CN 210124823U
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CN
China
Prior art keywords
needle
bone marrow
insertion tube
needle core
marrow puncture
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821765944.8U
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Chinese (zh)
Inventor
王海燕
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王海燕
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Publication date
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Priority to CN201821765944.8U priority Critical patent/CN210124823U/en
Application granted granted Critical
Publication of CN210124823U publication Critical patent/CN210124823U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bone marrow puncture needle device for hematology department, which comprises a needle cylinder, a needle core, a vacuum medullary canal and a rubber balloon; the front end of the needle cylinder is an inclined plane insertion part, the rear end of the needle cylinder is fixedly connected with a needle core insertion tube, and the needle core can be inserted into the needle cylinder through the needle core insertion tube and can freely move in the needle cylinder; the front end of the stylet is a stylet part, the rear end of the stylet is provided with a handheld handle, the stylet insertion tube is connected with a sealing buckle cover through a flexible wire, and the sealing buckle cover can be buckled at the free end of the stylet insertion tube in a sealing way; the side tube wall of the needle core insertion tube is connected with one end of a vacuum medullary canal through a first hose, and the other end of the vacuum medullary canal is connected with a rubber balloon through a second hose. The utility model provides a hematology department marrow puncture needle device can make things convenient for medical personnel to carry out the puncture operation, has reduced the subjective operation when medical personnel carry out the operation by a wide margin, has improved operation efficiency and successful operation rate.

Description

Bone marrow puncture needle device for hematology department
Technical Field
The utility model relates to a puncture medical instrument field, concretely relates to hematology department marrow pjncture needle device.
Background
Bone marrow aspiration (bone marrow aspiration) is a common diagnostic technique for taking bone marrow fluid, and the examination includes cytology, protozoa and bacteriology; the bone marrow puncture is suitable for diagnosis, differential diagnosis and treatment follow-up of various blood diseases; increase or decrease in the number of erythrocytes, leukocytes, platelets and morphological abnormalities of unknown origin; the diagnosis and differential diagnosis of fever of unknown origin can be used for bone marrow culture, bone marrow smear for locating parasites, etc. The existing bone marrow puncture needle comprises a sleeve, a needle tube, a needle body and the like, when in use, a medical worker inserts the needle tube together with the needle body into a patient body, then extracts the needle body and then extracts bone marrow by using the injection needle tube, the extraction speed and the extraction amount are mainly controlled by the operation experience of the medical worker when the bone marrow is extracted, the pain of the patient can be increased due to careless operation, and the efficiency is low.
In order to solve the above problems, it is urgently needed to provide a bone marrow puncture needle device for hematology department, which can facilitate the puncture operation of medical personnel, reduce the subjective operation of the medical personnel during the operation, and improve the operation efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hematology department marrow puncture needle device can make things convenient for medical personnel to carry out the puncture operation, has reduced the subjective operation when medical personnel carry out the operation by a wide margin, has improved operation efficiency and successful operation rate.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bone marrow puncture needle device for hematology department comprises a needle cylinder, a needle core, a vacuum medullary canal and a rubber balloon;
the front end of the needle cylinder is an inclined plane insertion part, the rear end of the needle cylinder is fixedly connected with a needle core insertion tube, and the needle core can be inserted into the needle cylinder through the needle core insertion tube and can freely move in the needle cylinder;
the front end of the stylet is a stylet part, the rear end of the stylet is provided with a handheld handle, the stylet insertion tube is connected with a sealing buckle cover through a flexible wire, and the sealing buckle cover can be buckled at the free end of the stylet insertion tube in a sealing way;
the side tube wall of the needle core insertion tube is connected with one end of a vacuum medullary canal through a first hose, a first air valve is arranged between the first hose and the vacuum medullary canal, the other end of the vacuum medullary canal is connected with a rubber sacculus through a second hose, and a second air valve is arranged between the second hose and the rubber sacculus.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a bone marrow puncture needle device, its application method does: when the device is used, the needle core is inserted into the needle cylinder, the needle core and the needle cylinder are inserted into a bone marrow part to be extracted, the needle core is pulled out, the sealing buckle cover is buckled at the free end of the needle core insertion tube, then the first air valve arranged on the first hose is opened, bone marrow liquid flows into the bone marrow vacuum tube under the bone marrow liquid pressure due to the vacuum state of the vacuum bone marrow tube, and finally the second air valve is opened after the needle cylinder is pulled out, and the bone marrow liquid in the bone marrow vacuum tube is extruded out through the needle cylinder by extruding the rubber balloon, so that the bone marrow liquid is extracted.
Further, the inclined plane insertion part is provided with a cutting edge.
The beneficial effects of the above-mentioned progress scheme are adopted: the needle cylinder is also provided with a cutting edge, so that the needle cylinder and the needle core can be conveniently inserted into the bone cavity together.
Furthermore, the needle cylinder and the needle core are both made of stainless steel materials.
The beneficial effects of the above-mentioned progress scheme are adopted: prevent the rust generated by rusting from causing secondary damage to patients.
Furthermore, the length of the needle tip part exposed out of the inclined plane insertion part after the needle core is completely inserted into the needle cylinder is 1 mm-10 mm.
Furthermore, a support ring is arranged at the front end of the stylet insertion tube and can be freely supported on a limiting plate with a through hole in the middle.
The beneficial effects of the above-mentioned progress scheme are adopted: the limiting plate is placed on the surface of the skin, and the needle cylinder penetrates through the perforation to play a role in limiting when the needle is used, so that the needle cylinder and the needle core are prevented from penetrating too deep to pierce the bone.
Furthermore, a circular groove is formed in the middle of one side, away from the support ring, of the limiting plate, and a gauze layer is arranged in the circular groove.
The beneficial effects of the above-mentioned progress scheme are adopted: the gauze layer can cover the needle hole part during puncture to prevent the needle hole part from bleeding.
Furthermore, one side of the limiting plate, which is far away from the supporting ring, is provided with a medical double-sided adhesive tape layer.
The beneficial effects of the above-mentioned progress scheme are adopted: the limiting plate can be well fixed on the skin, and the gauze layer is used for stopping bleeding.
Furthermore, the stylet insertion tube, the flexible wire and the sealing buckle cover are all made of plastics and are formed into a whole through injection molding.
The utility model provides a hematology department marrow puncture needle device can make things convenient for medical personnel to carry out the puncture operation, has reduced the subjective operation when medical personnel carry out the operation by a wide margin, has improved operation efficiency and successful operation rate.
Obviously, according to the above-mentioned contents of the present invention, many other modifications, substitutions or alterations can be made without departing from the basic technical idea of the present invention.
The above-mentioned aspects of the present invention will be described in further detail with reference to the following detailed description; this should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples only; all the techniques realized based on the concept of the utility model belong to the scope of the utility model.
Drawings
FIG. 1 is a schematic structural view of a bone marrow puncture needle device of the hematology department;
fig. 2 is a cross-sectional view of a portion a of fig. 1 of the present invention;
in the figure:
1-a needle cylinder; 2-a needle core; 3-vacuum medullary canal; 4-a rubber balloon; 5-a bevel insertion section; 6-a stylet insertion tube; 7-needle tip; 8-holding the handle; 9-a flexible wire; 10-sealing the buckle cover; 11-a first hose; 12-a first air valve; 13-a second hose; 14-a second air valve; 15-cutting edge; 16-a support ring; 17-perforating; 18-a limiting plate; 19-circular grooves; 20-a gauze layer; 21-medical double-sided adhesive tape layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model relates to a bone marrow puncture needle device for hematology department, which comprises a needle cylinder 1, a needle core 2, a vacuum medullary canal 3 and a rubber saccule 4;
the front end of the needle cylinder 1 is an inclined plane insertion part 5, the rear end of the needle cylinder 1 is fixedly connected with a stylet insertion tube 6, and the stylet 2 can be inserted into the needle cylinder 1 through the stylet insertion tube 6 and can move freely in the needle cylinder 1;
the front end of the stylet 2 is a stylet part 7, the rear end of the stylet 2 is provided with a hand-held handle 8, the stylet insertion tube 6 is connected with a sealing buckle cover 10 through a flexible wire 9, and the sealing buckle cover 10 can be buckled at the free end of the stylet insertion tube 6 in a sealing way;
the side tube wall of the stylet insertion tube 6 is connected with one end of a vacuum medullary canal 3 through a first hose 11, a first air valve 12 is arranged between the first hose 11 and the vacuum medullary canal 3, the other end of the vacuum medullary canal 3 is connected with a rubber balloon 4 through a second hose 13, and a second air valve 14 is arranged between the second hose 13 and the rubber balloon 4.
Further, the bevel insertion portion 5 is provided with a cutting edge 15.
Further, the needle cylinder 1 and the needle core 2 are both made of stainless steel materials.
Furthermore, the length of the needle tip part 7 exposed out of the inclined plane insertion part 5 after the needle core 2 is completely inserted into the needle cylinder 1 is 1 mm-10 mm.
Further, a support ring 16 is provided at the front end of the stylet insertion tube 6, and the support ring 16 is freely supported on a stopper plate 18 with a perforation 17 provided in the middle.
Furthermore, a circular groove 19 is formed in the middle of one side of the limiting plate 18 away from the support ring 16, and a gauze layer 20 is arranged in the circular groove 19.
Further, one side of the limiting plate 18, which is far away from the supporting ring 16, of the limiting plate 18 is provided with a medical double-sided adhesive tape layer 21.
Furthermore, the stylet insertion tube 6, the flexible wire 9 and the sealing buckle cover 10 are all made of plastic and are formed into a whole by injection molding.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.

Claims (8)

1. A hematology department bone marrow puncture needle device is characterized in that: comprises a needle cylinder (1), a needle core (2), a vacuum medullary canal (3) and a rubber saccule (4);
the front end of the needle cylinder (1) is an inclined plane insertion part (5), the rear end of the needle cylinder (1) is fixedly connected with a needle core insertion tube (6), and the needle core (2) can be inserted into the needle cylinder (1) through the needle core insertion tube (6) and can freely move in the needle cylinder (1);
the front end of the needle core (2) is a needle tip part (7), the rear end of the needle core (2) is provided with a hand-holding handle (8), the needle core insertion tube (6) is connected with a sealing buckle cover (10) through a flexible wire (9), and the sealing buckle cover (10) can be buckled at the free end of the needle core insertion tube (6) in a sealing way;
the side tube wall of the needle core insertion tube (6) is connected with one end of a vacuum medullary canal (3) through a first hose (11), a first air valve (12) is arranged between the first hose (11) and the vacuum medullary canal (3), the other end of the vacuum medullary canal (3) is connected with a rubber sacculus (4) through a second hose (13), and a second air valve (14) is arranged between the second hose (13) and the rubber sacculus (4).
2. A hematology bone marrow puncture needle device according to claim 1, characterized in that: the inclined plane insertion part (5) is provided with a cutting edge (15).
3. A hematology bone marrow puncture needle device according to claim 1, characterized in that: the needle cylinder (1) and the needle core (2) are both made of stainless steel materials.
4. A hematology bone marrow puncture needle device according to claim 1, characterized in that: the length of the needle core (2) exposed out of the inclined plane insertion part (5) at the needle tip part (7) is 1 mm-10 mm after the needle core is completely inserted into the needle cylinder (1).
5. A hematology bone marrow puncture needle device according to claim 1, characterized in that: the front end of the stylet insertion tube (6) is provided with a support ring (16), and the support ring (16) can be freely supported on a limit plate (18) with a perforation (17) in the middle.
6. A hematology bone marrow puncture needle device according to claim 5, characterized in that: the middle part of one side of the limiting plate (18) far away from the support ring (16) is provided with a circular groove (19), and a gauze layer (20) is arranged in the circular groove (19).
7. The hematological bone marrow puncture needle device according to claim 6, wherein: the limiting plate (18) and one surface of the limiting plate (18) far away from the supporting ring (16) are provided with a medical double-sided adhesive tape layer (21).
8. A hematology bone marrow puncture needle device according to any one of claims 1 to 7, characterized in that: the stylet inserting tube (6), the flexible wire (9) and the sealing buckle cover (10) are all made of plastics and are an integral body.
CN201821765944.8U 2018-10-30 2018-10-30 Bone marrow puncture needle device for hematology department Expired - Fee Related CN210124823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821765944.8U CN210124823U (en) 2018-10-30 2018-10-30 Bone marrow puncture needle device for hematology department

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821765944.8U CN210124823U (en) 2018-10-30 2018-10-30 Bone marrow puncture needle device for hematology department

Publications (1)

Publication Number Publication Date
CN210124823U true CN210124823U (en) 2020-03-06

Family

ID=69660367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821765944.8U Expired - Fee Related CN210124823U (en) 2018-10-30 2018-10-30 Bone marrow puncture needle device for hematology department

Country Status (1)

Country Link
CN (1) CN210124823U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914689A (en) * 2021-01-20 2021-06-08 王文军 Intervertebral bone marrow recovery device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914689A (en) * 2021-01-20 2021-06-08 王文军 Intervertebral bone marrow recovery device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200306

Termination date: 20201030

CF01 Termination of patent right due to non-payment of annual fee