CN216439197U - Closed arterial blood taking needle capable of preventing needle stick injury - Google Patents
Closed arterial blood taking needle capable of preventing needle stick injury Download PDFInfo
- Publication number
- CN216439197U CN216439197U CN202122547824.9U CN202122547824U CN216439197U CN 216439197 U CN216439197 U CN 216439197U CN 202122547824 U CN202122547824 U CN 202122547824U CN 216439197 U CN216439197 U CN 216439197U
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- CN
- China
- Prior art keywords
- needle
- protection block
- elastic
- preventing
- arterial blood
- Prior art date
- 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
Links
- 208000012266 Needlestick injury Diseases 0.000 title claims abstract description 22
- 239000008280 blood Substances 0.000 title claims abstract description 20
- 210000004369 blood Anatomy 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000010241 blood sampling Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a needle-stick-injury-preventing closed arterial blood taking needle, which comprises a needle seat, a steel needle and a protection mechanism, wherein the needle seat is provided with a threaded connector connected with an injector; the steel needle is connected with the needle seat; the protection mechanism comprises a needle point protection block, a folding protection sleeve, an elastic component and an elastic release button, and the needle point protection block is movably inserted on a needle rod of the steel needle; the folding protective sleeve and the elastic component are arranged and connected between the needle point protection block and the needle seat, and the folding protective sleeve is sleeved outside the needle rod and forms a closed cavity together with the needle point protection block; the elastic component is arranged in the cavity; the elastic release button is arranged on the needle seat and connected with the elastic component. The utility model has the advantage of preventing needle stick injuries.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a needle-stick-injury-preventing closed arterial blood taking needle.
Background
Currently, blood collection needles are widely used in hospitals. However, when the operator uses the blood collection needle, the operator himself, the surrounding persons, or the person who performs the second sorting may easily be stabbed by the needle tip, and the operator may be slightly injured, or may be infected with an infectious disease in a serious case, which is not negligible. Therefore, there is a need for a lancet capable of preventing needle stick injuries.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a needle-stick-injury-preventing closed type arterial blood taking needle which has the advantage of preventing needle-stick injury.
The technical scheme of the utility model is as follows:
a closed arterial blood taking needle capable of preventing needle stick injury comprises a needle seat, a steel needle and a protection mechanism, wherein the needle seat is provided with a threaded connector connected with an injector; the steel needle is connected with the needle seat; the protection mechanism comprises a needle point protection block, a folding protection sleeve, an elastic component and an elastic release button, and the needle point protection block is movably inserted on a needle rod of the steel needle; the folding protective sleeve and the elastic component are arranged and connected between the needle point protection block and the needle seat, and the folding protective sleeve is sleeved outside the needle rod and forms a closed cavity together with the needle point protection block; the elastic component is arranged in the cavity; the elastic release button is arranged on the needle seat and connected with the elastic component.
The working principle of the technical scheme is as follows: when the blood sampling device works, the blood sampling device is tightly connected with an injector through a threaded connector on a needle base, and then the piston is pulled and pulled to perform blood sampling operation; after the blood sampling is completed, in order to avoid the needle stick injury, the elastic release button is pressed down, the elastic component releases the elastic force to drive the needle point protection block and the folding protective sleeve to move along the needle rod of the steel needle until the needle point protection block completely wraps the needle point part of the steel needle, the folding protective sleeve is extended from the needle point protection block, the outer side of the needle rod is sleeved with the folding protective sleeve, and the needle point and the needle rod are wrapped in an omnibearing manner to prevent the needle stick injury.
Compared with the prior art, the protection mechanism is arranged on the basis of the arterial blood taking needle, the elastic release button releases the elastic force of the elastic part, so that the needle point protection block and the folding protective sleeve are pushed to move along the needle rod until the needle point protection block and the folding protective sleeve cover the steel needle in an all-directional manner, the needle stick injury condition is prevented, the operation is convenient, and the cost is low.
In a further technical scheme, the elastic component is a spring.
Through setting up elastomeric element for the spring, simple structure, low cost, the practicality is high.
In a further technical scheme, the folding protective sleeve is a plastic folding protective sleeve or a rubber folding protective sleeve.
Through setting up folding protective sheath for folding protective sheath of plastics or folding protective sheath of rubber, be difficult for infecting, and easily adsorb on the needle bar, further promote the guard effect.
In a further technical scheme, the needle tip protection block comprises a silica gel protection part inserted in the needle rod.
Through set up silica gel protection portion on needle point protection piece for when needle point protection piece pops out fast, seal the syringe needle rapidly, avoid blood and air contact.
The utility model has the beneficial effects that:
according to the utility model, the protection mechanism is arranged on the basis of the arterial blood taking needle, and the elastic release button releases the elastic force of the elastic part, so that the needle point protection block and the folding protective sleeve are pushed to move along the needle rod until the needle point protection block and the folding protective sleeve cover the steel needle in an all-around manner, the occurrence of a needle stick injury condition is prevented, the operation is convenient, and the cost is low.
Drawings
FIG. 1 is a schematic structural view of a hermetic arterial blood collection needle for preventing needle stick injury according to an embodiment of the present invention.
Description of reference numerals:
10-a needle seat; 11-a threaded joint; 20-steel needle; 30-a guard mechanism; 31-a needle tip protection block; 32-folding protective sleeve; 33-an elastic member; 34-a resilient release button; 35-support bar members; 36-rotate the lever.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the hermetic arterial blood taking needle capable of preventing needle stick injury comprises a needle base 10, a steel needle 20 and a protection mechanism 30. Wherein the needle holder 10 is provided with a threaded joint 11 for connection with a syringe. The steel needle 20 is connected with the needle stand 10. The shielding mechanism 30 comprises a needle tip protection block 31, a folded protective sheath 32, an elastic member 33 and an elastic release button 34. The needle point protection block 31 is movably inserted on the needle rod of the steel needle 20. Here, the needle tip protection block 31 may be a hard material or a flexible material, but the present invention is not limited thereto. For example, the needle tip protection block 31 may be a solid object that protects the needle tip, and the solid object is adopted to reduce the influence of excessive contact between blood and air on the quality of the specimen. The folding protective sleeve 32 and the elastic component 33 are both arranged and connected between the needle point protection block 31 and the needle base 10, and the folding protective sleeve 32 is sleeved outside the needle rod and forms a closed cavity with the needle point protection block 31. Here, because a closed chamber is formed, when the needle tip protection block 31 moves forward, the pressure in the chamber is less than the atmospheric pressure, so that the folding protection sleeve 32 is tightly attached to the needle rod, and the space is saved. For example, the folding boot 32 may be a flexible rubber or a flexible plastic, but the utility model is not limited thereto. The elastic member 33 is disposed in the chamber. The elastic release button 34 is disposed on the needle holder 10 and connected to the elastic member 33. For example, a rotation lever 36 is disposed under the elastic release button 34, the rotation lever 36 is rotatably connected to the support lever 35, and when the elastic release button 34 is pressed down, the rotation lever 36 rotates around the rotation connection point to release the elastic force of the elastic member 33, thereby pushing the needle tip protection block 31 and the folding protection sheath 32 forward.
The working principle of the technical scheme is as follows: when the blood sampling device works, the blood sampling device is tightly connected with an injector through the threaded connector 11 on the needle base 10, and then the blood sampling operation is carried out through drawing and pulling the piston; after the blood sampling is finished, in order to avoid the needle stick injury, the elastic release button 34 is pressed down, the elastic component 33 releases the elastic force, the needle point protection block 31 and the folding protection sleeve 32 are driven to move along the needle rod of the steel needle 20 until the needle point protection block 31 completely wraps the needle point part of the steel needle 20, the folding protection sleeve 32 is also stretched out from the needle point protection block, the needle rod is sleeved outside the needle rod, and the needle point and the needle rod are wrapped in an omnibearing manner, so that the needle stick injury condition is prevented.
Compared with the prior art, the utility model has the advantages that the protection mechanism 30 is arranged on the basis of the arterial blood collection needle, the elastic force of the elastic part 33 is released through the elastic release button 34, so that the needle point protection block 31 and the folding protection sleeve 32 are pushed to move along the needle rod until the needle point protection block 31 and the folding protection sleeve 32 realize omnibearing coating on the steel needle 20, the occurrence of the needle stick injury condition is prevented, the operation is convenient, and the cost is low.
In a further embodiment, the resilient member 33 is a spring. By arranging the elastic member 33 as a spring, the structure is simple, the cost is low, and the practicability is high.
In other embodiments, the folding sock 32 is a plastic folding sock or a rubber folding sock. Through setting up folding protective sheath 32 into folding protective sheath of plastics or folding protective sheath of rubber, be difficult for infecting, and easily adsorb on the needle bar, further promote the guard effect.
In a further embodiment, the needle tip protection block 31 comprises a silicone shield inserted in the needle shaft. Through set up silica gel protection portion on needle point protection piece 31 for when needle point protection piece pops out fast, seal the syringe needle rapidly, avoid blood and air contact.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. A closed arterial blood taking needle for preventing needle stick injury is characterized by comprising a needle seat, a steel needle and a protection mechanism, wherein,
the needle base is provided with a threaded joint connected with the injector;
the steel needle is connected with the needle seat;
the protection mechanism comprises a needle point protection block, a folding protection sleeve, an elastic component and an elastic release button, and the needle point protection block is movably inserted on a needle rod of the steel needle; the folding protective sleeve and the elastic component are arranged and connected between the needle point protection block and the needle seat, and the folding protective sleeve is sleeved outside the needle rod and forms a closed cavity together with the needle point protection block; the elastic component is arranged in the cavity; the elastic release button is arranged on the needle seat and connected with the elastic component.
2. The hermetic arterial blood collection needle for preventing needle stick injury of claim 1, wherein the elastic member is a spring.
3. The hermetic arterial blood collection needle for preventing needle stick injury of claim 1, wherein the folding protective sheath is a plastic folding protective sheath or a rubber folding protective sheath.
4. The hermetic arterial blood collection needle for preventing needle stick injury according to claim 1, wherein the needle tip protection block comprises a silicone protection part inserted into the needle bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547824.9U CN216439197U (en) | 2021-10-22 | 2021-10-22 | Closed arterial blood taking needle capable of preventing needle stick injury |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547824.9U CN216439197U (en) | 2021-10-22 | 2021-10-22 | Closed arterial blood taking needle capable of preventing needle stick injury |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216439197U true CN216439197U (en) | 2022-05-06 |
Family
ID=81349719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122547824.9U Expired - Fee Related CN216439197U (en) | 2021-10-22 | 2021-10-22 | Closed arterial blood taking needle capable of preventing needle stick injury |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216439197U (en) |
-
2021
- 2021-10-22 CN CN202122547824.9U patent/CN216439197U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |