CN220089487U - Blood collection indwelling needle and blood collection device - Google Patents
Blood collection indwelling needle and blood collection device Download PDFInfo
- Publication number
- CN220089487U CN220089487U CN202321425891.6U CN202321425891U CN220089487U CN 220089487 U CN220089487 U CN 220089487U CN 202321425891 U CN202321425891 U CN 202321425891U CN 220089487 U CN220089487 U CN 220089487U
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- China
- Prior art keywords
- needle
- connecting part
- indwelling
- blood collection
- protective cap
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- 239000008280 blood Substances 0.000 title claims abstract description 66
- 210000004369 blood Anatomy 0.000 title claims abstract description 66
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims description 24
- 238000010241 blood sampling Methods 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 11
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 208000030507 AIDS Diseases 0.000 description 2
- 208000002672 hepatitis B Diseases 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of medical appliances, and particularly relates to a blood collection indwelling needle and a blood collection device, which comprise an indwelling needle, an extension tube, a connecting part and a flow stopping clamp, wherein the indwelling needle is communicated with the connecting part through the extension tube, and also comprises a bottle stopper puncture needle and a positive pressure connector; compared with the prior art, the utility model has the advantages and positive effects that: (1) The blood collection indwelling needle can be in threaded connection with the bottle stopper puncture needle or the positive pressure connector through the connecting part; thus, the transfusion after blood drawing is combined without re-injection, thereby reducing the workload of medical care on one hand and relieving the pain of patients on the other hand; (2) The retention needle is a safe retention needle, so that needling is avoided; (3) The needle tip of the bottle stopper puncture needle is positioned in the cylindrical cavity of the protective cap, so that the occurrence of needling is avoided.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a blood collection indwelling needle and a blood collection device.
Background
At present, most clinical patients generally draw blood and then infuse the blood, and the blood drawing needle is used for drawing blood; the intravenous indwelling needle for transfusion needs to be inserted into the patient twice or more, thereby increasing the workload of medical staff.
In order to solve the above technical problems, the number of needle insertion times is reduced by combining the indwelling needle with the blood taking needle by a person skilled in the art, however, the needle head of the bottle stopper puncture needle connected with the blood taking test tube is exposed, needling is easy to occur, and the indwelling needle is easy to occur after the needle head is pulled out, so that certain potential safety hazards exist, such as that a patient has hepatitis B or AIDS, the patient can cause the medical staff to infect hepatitis B or AIDS, serious physical injury is brought, and the life safety is threatened.
Disclosure of Invention
The present utility model is directed to the above-described problems, and provides a blood collection indwelling needle and a blood collection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the blood sampling indwelling needle comprises an indwelling needle, an extension tube, a connecting part and a flow stopping clamp, wherein the indwelling needle is communicated with the connecting part through the extension tube, and the flow stopping clamp is arranged on the extension tube and can regulate the flow of liquid in the extension tube;
the lower part of the connecting part is cylindrical, an external thread is fixedly arranged on the outer side surface of the lower end of the connecting part, and the central opening of the connecting part is communicated with the extension pipe; the connecting part can be in threaded connection with the end part of the bottle stopper puncture needle or the end part of the positive pressure joint.
Preferably, the indwelling needle is a safety indwelling needle.
Preferably, the indwelling needle comprises an indwelling part, a needle core and a catheter; the catheter is fixedly arranged at the front end of the indwelling part and is communicated with the interior of the indwelling part; the end part of the extension tube is communicated with the front part of the indwelling part; a rubber plug is fixedly arranged in the front part of the retaining part; the two sides of the retaining part in the length direction are respectively provided with a first through hole and a second through hole; the first through hole is formed in one side of the rubber plug, which is far away from the guide pipe; the needle core sequentially passes through the second through hole, the first through hole, the rubber plug and the guide pipe, and the needle core is in sliding connection with the first through hole, the second through hole and the guide pipe.
Preferably, the indwelling needle further comprises a drawing piece, and the drawing piece is fixedly arranged at one end, far away from the needle point, of the needle core;
the retaining needle also comprises disinfection cotton, wherein the disinfection cotton is fixedly arranged on one side, close to the first through hole, in the cavity of the retaining part, and the disinfection cotton can be in contact with the periphery of the needle core.
Preferably, the protective cap comprises a protective cap connecting part, and the protective cap connecting part is cylindrical;
preferably, the positive pressure joint comprises a joint upper connecting part and a joint lower connecting part, wherein the joint upper connecting part is cylindrical, an inner wall is provided with an inner thread, and the lower end of the joint lower connecting part is provided with an outer thread; the upper end of the upper connecting part of the connector is in threaded connection with the lower end of the connecting part during transfusion.
A blood sampling device comprising the blood sampling indwelling needle, a bottle stopper puncture needle and a blood sampling test tube; the bottle stopper puncture needle comprises a needle head, a protective cap and a needle head connecting part; the protective cap is fixedly connected with the needle head connecting part, and the needle head is fixedly arranged in the protective cap and the needle head connecting part; the upper part of the needle head connecting part is cylindrical, and the inner wall of the upper part of the needle head connecting part is provided with an internal thread; the needle head and the protective cap are coaxial, and the needle tip of the needle head is positioned in the protective cap; the needle head is far away from the needle tip and is positioned in the upper part of the needle head connecting part; the upper part of the needle head connecting part is in threaded connection with the lower part of the connecting part during blood collection.
Preferably, the protective cap and the needle head connecting part are integrally formed, the protective cap comprises a protective cap connecting part, and the protective cap connecting part is cylindrical; the blood sampling test tube comprises a blood sampling test tube rubber plug, and the blood sampling test tube rubber plug is in sliding connection with the connecting part of the protective cap during blood sampling.
Compared with the prior art, the utility model has the advantages and positive effects that:
(1) The blood collection indwelling needle can be in threaded connection with the bottle stopper puncture needle or the positive pressure connector through the connecting part; thus, the transfusion after blood drawing is combined without re-injection, thereby reducing the workload of nurses and relieving the pain of patients;
(2) The retention needle is a safe retention needle, so that needling is avoided;
(3) The needle tip of the needle head is positioned in the cylindrical cavity of the protective cap, so that the protective cap can prevent needling and can be connected with a blood sampling test tube;
(4) The needle head connecting part and the protective cap connecting part are in sliding connection during blood collection, and the protective cap connecting part plays a role in positioning, so that the needle head is ensured to be penetrated along the axial direction of the blood collection test tube, and the needle head is prevented from puncturing the inner wall of the blood collection test tube due to the fact that the needle head is inclined to penetrate the blood collection test tube;
(5) The detained needle also comprises disinfection cotton, which has the disinfection and sterilization function on one hand and the adsorption function on the other hand, and prevents part of blood in the needle core from flowing out from the detained part to cause secondary pollution.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description of the embodiments will briefly describe the drawings that are required to be used in the description:
FIG. 1 is a schematic view of a blood collection needle without a stopper puncture needle and a positive pressure connector;
FIG. 2 is a schematic view of a blood collection indwelling needle with a bottle stopper and a puncture needle;
FIG. 3 is a schematic cross-sectional view of a blood collection indwelling needle with a bottle stopper and a puncture needle;
FIG. 4 is a schematic view showing the connection of a blood collection indwelling needle, a bottle stopper puncture needle and a blood collection test tube
FIG. 5 is a schematic view of a blood collection tube of the blood collection indwelling needle;
FIG. 6 is a schematic view of a positive pressure connector for installing a blood collection indwelling needle;
FIG. 7 is a schematic view of a positive pressure connector of a blood collection indwelling needle;
FIG. 8 is a schematic view of a safety type indwelling needle of the blood collection indwelling needle;
FIG. 9 is a second schematic view of a safety type indwelling needle of the blood collection indwelling needle;
FIG. 10 is a schematic view showing the integrated formation of the connecting portion between the needle and the protective cap of the blood collection indwelling needle.
Reference numerals illustrate:
1-indwelling needle, 11-indwelling part, 111-first through hole, 112-second through hole, 12-needle core, 13-drawing piece, 14-catheter and 15-sterilized cotton;
2-bottle stopper puncture needle, 21-needle, 22-protective cap, 221-protective cap connecting part, 23-needle connecting part;
3-positive pressure joint, 31-joint upper connecting part, 32-joint lower connecting part;
4-a flow stop clip;
5-extending the tube;
6, a blood sampling test tube and 61, a blood sampling test tube rubber plug;
7-a connecting part.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
A blood collection indwelling needle is specifically described below with reference to fig. 1 to 10, and as shown in fig. 1, the blood collection indwelling needle includes an indwelling needle 1, an extension tube 5, a connecting portion 7 and a flow stop clip 4; the retaining needle 1 is communicated with the connecting part 7 through the extension tube 5, and the flow stopping clamp 4 is arranged on the extension tube 5 and can adjust the flow of liquid in the extension tube 5.
As shown in fig. 2 and 6, the lower part of the connecting part 7 is cylindrical, the outer side surface of the lower end of the connecting part 7 is fixedly provided with external threads, and a central hole of the connecting part 7 is communicated with the extension pipe 5; the connecting part 7 can be in threaded connection with the end part of the bottle stopper puncture needle 2 or the end part of the positive pressure joint 3.
As shown in fig. 8, the indwelling needle 1 is a safety type indwelling needle.
As shown in fig. 8 and 9, the indwelling needle 1 includes an indwelling portion 11, a needle core 12, and a catheter 14; the catheter 14 is fixedly arranged at the front end of the indwelling part 11 and communicated with the interior of the indwelling part 11; the end part of the extension tube 5 is communicated with the front part of the indwelling part 11; a rubber plug is fixedly arranged in the front part of the retaining part 11; the two sides of the retaining part 11 in the length direction are respectively provided with a first through hole 111 and a second through hole 112; the first through hole 111 is arranged on one side of the rubber plug far away from the guide pipe 14; the needle core 12 sequentially passes through the through hole II 112, the through hole I111, the rubber plug and the catheter 14, and the needle core 12 is in sliding connection with the through hole I111, the through hole II 112 and the catheter 14.
As shown in fig. 8, the indwelling needle 1 further comprises a drawing member 13, and the drawing member 13 is fixedly arranged at one end of the needle core 12 away from the needle tip.
As shown in fig. 9, the indwelling needle 1 further comprises a sterilizing cotton 15, the sterilizing cotton 15 is fixedly arranged on one side, close to the first through hole 111, in the cavity of the indwelling portion 11, and the sterilizing cotton 15 can be in contact with the periphery of the needle core 12.
As shown in fig. 7, the positive pressure joint 3 includes a joint upper connecting portion 31 and a joint lower connecting portion 32, the joint upper connecting portion 31 is cylindrical, the inner wall is provided with an internal thread, and the lower end of the joint lower connecting portion 32 is provided with an external thread; the upper joint connecting part 31 is connected with the lower part of the connecting part 7 in a threaded manner during transfusion.
A blood collection device, as shown in fig. 2 and 3, comprises the blood collection indwelling needle, a bottle stopper puncture needle 2 and a blood collection test tube 6; the bottle stopper puncture needle 2 comprises a needle 21, a protective cap 22 and a needle connecting part 23; the protective cap 22 is fixedly connected with the needle connecting part 23, and the needle 21 is fixedly arranged in the protective cap 22 and the needle connecting part 23; the upper part of the needle head connecting part 23 is cylindrical, and the inner wall of the upper part of the needle head connecting part 23 is provided with internal threads; the needle 21 and the protective cap 22 are coaxial, and the needle tip of the needle 21 is positioned in the protective cap 22; needle 21 is located away from the needle tip in the upper part of needle attachment portion 23; the upper part of the needle head connecting part 23 is in threaded connection with the lower part of the connecting part 7 when blood is sampled.
As shown in fig. 10, the cap 22 and the needle connecting portion 23 are integrally formed, and the cap 22 includes a cap connecting portion 221, and the cap connecting portion 221 is cylindrical.
As shown in fig. 5, the blood collection test tube 6 includes a blood collection test tube rubber plug 61, and the blood collection test tube rubber plug 61 is slidably connected to the cap connection part 221 during blood collection.
The infusion connecting mechanism comprises an infusion tube and an infusion connecting part, the infusion connecting part is cylindrical, the inner wall of the infusion connecting part is provided with internal threads, and one end of the infusion tube is positioned in a cavity of the infusion connecting part; the lower connector 32 of the connector is screwed with the transfusion connector during transfusion.
As shown in fig. 1, the stopper clamp 4 is a leber clamp.
The working procedure of blood collection by using the blood collection indwelling needle comprises the following steps:
the first step is to close the stop clamp 4 so as to completely seal the pipeline of the extension pipe 5;
the second step is to connect the connecting part 7 with the bottle stopper puncture needle 2 through screw thread;
thirdly, the blood sampling test tube rubber plug 61 is connected with the protective cap connecting part 221 in a sliding way, the needle tip of the needle head 21 punctures the blood sampling test tube 6 rubber plug along with the gradual increase of the sliding length, and the blood sampling test tube rubber plug stops after continuing to rotate for a certain distance;
fourth, as shown in fig. 7, the needle core 12 of the indwelling needle 1 is inserted into the blood vessel of the patient; loosening the tourniquet, withdrawing the needle core 12 into the indwelling portion 11, and then slowly feeding the catheter 14 into the vein; pulling out the needle core 12 after observing no blood seepage;
a fifth step of pushing the flow regulator 4 to cause the extension tube 5 to be in line communication, at which time blood is drawn, and blood flows into the blood collection tube 6 through the extension tube 5 and the needle 21 in sequence, thereby completing the blood collection operation;
after the sixth step of blood collection is completed, the flow stop clamp 4 is closed, and then the blood collection test tube 6 is pulled out and the bottle stopper puncture needle 2 is screwed out.
The working steps of transfusion are as follows:
the catheter 14 after the first step of blood collection remains in the patient;
and in the second step, the lower part of the connecting part 7 is in threaded connection with the joint upper connecting part 31 of the positive pressure joint 3, after the positive pressure joint is screwed to a certain distance, the flow stop clamp 4 is opened, and one end of the positive pressure joint 3, which is far away from the connecting part 7, is communicated with the infusion connecting mechanism for carrying out infusion operation.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present utility model are still within the protection scope of the technical solution of the present utility model.
Claims (7)
1. A blood collection indwelling needle, which is characterized in that: comprises an indwelling needle (1), an extension tube (5), a connecting part (7) and a flow stopping clamp (4); the retaining needle (1) is communicated with the connecting part (7) through the extension tube (5), and the flow stopping clamp (4) is arranged on the extension tube (5) and can adjust the flow of liquid in the extension tube (5);
the lower part of the connecting part (7) is cylindrical, an external thread is fixedly arranged on the outer side surface of the lower part of the connecting part (7), and a central opening of the connecting part (7) is communicated with the extension pipe (5); the connecting part (7) can be in threaded connection with the end part of the bottle stopper puncture needle (2) or the end part of the positive pressure joint (3).
2. The blood collection indwelling needle according to claim 1, wherein: the retaining needle (1) is a safe retaining needle.
3. The blood collection indwelling needle according to claim 2, wherein: the indwelling needle (1) comprises an indwelling part (11), a needle core (12) and a catheter (14); the catheter (14) is fixedly arranged at the front end of the indwelling part (11) and is communicated with the inside of the indwelling part (11); the end part of the extension tube (5) is communicated with the front part of the retaining part (11); a rubber plug is fixedly arranged in the front part of the retaining part (11); the two sides of the retaining part (11) in the length direction are respectively provided with a first through hole (111) and a second through hole (112); the first through hole (111) is formed at one side of the rubber plug far away from the guide pipe (14); the needle core (12) sequentially passes through the through hole II (112), the through hole I (111), the rubber plug and the guide pipe (14), and the needle core (12) is in sliding connection with the through hole I (111), the through hole II (112) and the guide pipe (14).
4. The blood collection indwelling needle according to claim 3, wherein: the indwelling needle (1) further comprises a drawing piece (13), and the drawing piece (13) is fixedly arranged at one end, far away from the needle point, of the needle core (12);
the indwelling needle (1) further comprises a sterilizing cotton (15), the sterilizing cotton (15) is fixedly arranged on one side, close to the first through hole (111), in the cavity of the indwelling portion (11), and the sterilizing cotton (15) can be in contact with the periphery of the needle core (12).
5. The blood collection indwelling needle according to claim 1, wherein: the positive pressure joint (3) comprises a joint upper connecting part (31) and a joint lower connecting part (32); the upper joint connecting part (31) is cylindrical, the inner wall of the upper joint connecting part is provided with internal threads, and the outer periphery of the lower joint connecting part (32) is provided with external threads; the upper connecting part (31) of the joint is in threaded connection with the lower part of the connecting part (7) during transfusion.
6. A blood collection device, characterized in that: comprising the blood collection indwelling needle, stopper puncture needle (2) and blood collection test tube (6) according to any one of claims 1 to 5;
the bottle stopper puncture needle (2) comprises a needle head (21), a protective cap (22) and a needle head connecting part (23); the protective cap (22) is fixedly connected with the needle head connecting part (23), and the needle head (21) is fixedly arranged in the protective cap (22) and the needle head connecting part (23); the upper part of the needle head connecting part (23) is cylindrical, and an inner thread is arranged on the inner wall of the upper part of the needle head connecting part (23);
the needle head (21) and the protective cap (22) are coaxial, and the needle tip of the needle head (21) is positioned in the protective cap (22); the needle (21) is positioned in the upper part of the needle connecting part (23) away from the needle tip;
the upper part of the needle head connecting part (23) is in threaded connection with the lower part of the connecting part (7) during blood collection.
7. The lancing device of claim 6, wherein: the protective cap (22) and the needle head connecting part (23) are integrally formed, the protective cap (22) comprises a protective cap connecting part (221), and the protective cap connecting part (221) is cylindrical;
the blood sampling test tube (6) comprises a blood sampling test tube rubber plug (61), and the blood sampling test tube rubber plug (61) is in sliding connection with the protective cap connecting part (221) during blood sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425891.6U CN220089487U (en) | 2023-06-06 | 2023-06-06 | Blood collection indwelling needle and blood collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425891.6U CN220089487U (en) | 2023-06-06 | 2023-06-06 | Blood collection indwelling needle and blood collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220089487U true CN220089487U (en) | 2023-11-28 |
Family
ID=88865773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425891.6U Active CN220089487U (en) | 2023-06-06 | 2023-06-06 | Blood collection indwelling needle and blood collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220089487U (en) |
-
2023
- 2023-06-06 CN CN202321425891.6U patent/CN220089487U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |