CN216676597U - Disposable safety intravenous infusion needle - Google Patents
Disposable safety intravenous infusion needle Download PDFInfo
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- CN216676597U CN216676597U CN202122685681.8U CN202122685681U CN216676597U CN 216676597 U CN216676597 U CN 216676597U CN 202122685681 U CN202122685681 U CN 202122685681U CN 216676597 U CN216676597 U CN 216676597U
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- needle
- protective sleeve
- blade
- steel needle
- puncture
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Abstract
The utility model discloses a disposable safety intravenous infusion needle, which comprises a puncture steel needle and an infusion tube connected with the puncture steel needle through a blade-shaped needle handle; the blade-shaped needle handle is sleeved with a steel needle protective sleeve which can slide along the blade-shaped needle handle in a one-way direction towards the puncture steel needle, and when the tail end of the steel needle protective sleeve is positioned at the front end of the blade-shaped needle handle, the steel needle protective sleeve is sleeved on the puncture steel needle in a covering manner, and the front end of the steel needle protective sleeve extends out of the needle tip part of the puncture steel needle; and a liquid adsorption layer for adsorbing residual liquid dripped in the puncture steel needle is arranged on the inner wall of the protective sleeve. The utility model has the advantages that the needle head of the transfusion needle can be hidden and not exposed after the venous transfusion is finished, the cross infection caused by personnel stabbing due to the exposure of the needle head of the transfusion needle is effectively prevented, the residual liquid dripped in the transfusion needle can be adsorbed, and the pollution caused by the residual liquid dripping to the environment is not easy to cause.
Description
Technical Field
The utility model relates to the technical field of medical treatment, in particular to a disposable safety intravenous infusion needle.
Background
The infusion needle is mainly used for intravenous infusion, blood transfusion or blood sampling, and clinically, the intravenous infusion is a common treatment means in hospitals, and the infusion needle is a main medical appliance for infusion treatment.
However, in the use process of the existing transfusion needle, after the needle is pulled out after intravenous transfusion, a sharp needle head can be exposed in the environment, and when the transfusion needle is cleaned and destroyed, the needle head of the transfusion needle is not only easily exposed in the environment to stab medical staff or other staff, so that cross infection is caused; in addition, after the existing transfusion needle is pulled out, residual liquid (including blood of a patient and medical liquid for treatment) in the transfusion needle is easy to drip into the environment to cause pollution, and actual application requirements are difficult to meet.
How to solve the above problems is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disposable safety intravenous infusion needle, which can hide and not expose a needle head of the infusion needle after intravenous infusion is finished, effectively prevent cross infection caused by personnel stabbing due to the exposure of the needle head of the infusion needle, adsorb residual liquid dripped in the infusion needle, and prevent the residual liquid from dripping into the environment to cause pollution.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a disposable safety intravenous infusion needle comprises a puncture steel needle and an infusion tube connected with the puncture steel needle through a blade-shaped needle handle; the blade-shaped needle handle is sleeved with a steel needle protective sleeve which can slide along the blade-shaped needle handle in a one-way direction towards the puncture steel needle, and when the tail end of the steel needle protective sleeve is positioned at the front end of the blade-shaped needle handle, the steel needle protective sleeve is sleeved on the puncture steel needle in a covering manner, and the front end of the steel needle protective sleeve extends out of the needle tip part of the puncture steel needle; and a liquid adsorption layer for adsorbing residual liquid dripped in the puncture steel needle is arranged on the inner wall of the protective sleeve.
Preferably, the steel needle protective sheath is established including the cover protective sleeve on the blade type needle handle, be located on the protective sleeve one end of the blade of blade type needle handle is seted up along the length direction of this protective sleeve and is supplied the spout that the blade of blade type needle handle passed, still include with protective sleeve with blade type needle handle swing joint's slip guide structure and this slip guide structure during operation can make protective sleeve along blade type needle handle to puncture steel needle direction one-way slip, wherein, the liquid adsorbed layer is established on the inner wall of protective sleeve.
Preferably, the sliding guide structure comprises a guide piece arranged on the blade-shaped needle handle and in the cavity of the guide piece, a plurality of one-way sliding lock teeth are arranged in the cavity of the guide piece, a sliding piece capable of sliding along the guide groove is movably arranged in the cavity of the guide groove, a plurality of limiting lock holes matched with the one-way sliding lock teeth in a lock catch mode and used for limiting the sliding piece to slide in one direction towards the puncture steel needle are formed in the sliding piece, and the sliding guide structure further comprises a limiting piece arranged at the tail end of the protective sleeve and used for connecting the sliding piece with the protective sleeve.
Preferably, the protective sleeve is made of PVC plastic.
Preferably, the liquid-absorbing layer is made of a sponge material.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the blade-shaped needle handle is sleeved with the steel needle protective sleeve capable of sliding in a one-way direction along the blade-shaped needle handle towards the puncture steel needle, and the inner wall of the protective sleeve is provided with the liquid adsorption layer; the utility model adopts the structure, when in use, after the intravenous infusion is finished, the protective sleeve of the steel needle is pushed to move towards the puncture steel needle, when the tail end of the protective sleeve of the steel needle protective sleeve slides to the front end of the blade-shaped needle handle, at the moment, the protective sleeve is sheathed on the puncture steel needle in a covering way, and the front end of the protective sleeve extends out of the needle point part of the puncture steel needle, so that the puncture steel needle is hidden and not exposed, in addition, the one-way sliding of the protective sleeve of the steel needle protective sleeve towards the puncture steel needle is limited by the sliding guide structure of the steel needle protective sleeve, the protective sleeve can not be pushed reversely after the protective sleeve is sheathed on the puncture steel needle, the hidden performance of the puncture steel needle is improved, the protectiveness is better, the needle head of the puncture steel needle can be effectively prevented from being exposed and accidentally touching a puncture person to cause cross infection, the use is safe and reliable, and the residual liquid dropped in the puncture steel needle can be effectively absorbed by the liquid absorption layer, the utility model has the advantages that the needle head of the transfusion needle can be hidden and not exposed after venous transfusion is finished, cross infection caused by personnel stabbing due to the exposure of the needle head of the transfusion needle is effectively prevented, the residual liquid dripped in the transfusion needle can be adsorbed, and the pollution caused by the residual liquid dripped in the environment is avoided.
Drawings
The utility model is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural view of a disposable safety intravenous infusion needle according to the present invention;
FIG. 2 is a schematic structural view of a steel needle protective sheath of the disposable safety intravenous infusion needle.
Description of reference numerals: 1. puncture steel needle, 2, blade type needle handle, 3, transfer line, 4, steel needle protective sheath, 41, protective sleeve, 42, spout, 43, slip guide structure, 100, guide, 200, one-way slip lock tooth, 300, slider, 400, spacing lockhole, 500, locating part, 5, liquid adsorbed layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 2, a disposable safety intravenous infusion needle comprises a puncture steel needle 1 and an infusion tube 3 connected with the puncture steel needle 1 through a blade-shaped needle handle 2; a steel needle protective sleeve 4 capable of sliding in one direction along the blade-shaped needle handle 2 towards the puncture steel needle 1 is sleeved on the blade-shaped needle handle 2, and when the tail end of the steel needle protective sleeve 4 is positioned at the front end of the blade-shaped needle handle 2, the steel needle protective sleeve 4 is sleeved on the puncture steel needle 1 in a covering manner, and the front end of the steel needle protective sleeve 4 extends out of the needle tip part of the puncture steel needle 1; and a liquid adsorption layer 5 for adsorbing residual liquid dripped in the puncture steel needle 1 is arranged on the inner wall of the protective sleeve 4.
Steel needle protective sheath 4 establishes including the cover protective sleeve 41 on the blade type needle handle 2 protective sleeve 41 is last to be located one can supply the spout 42 that the blade of blade type needle handle 2 passed is seted up along the length direction of this protective sleeve 41 to the one end of the blade of blade type needle handle 2, still include with protective sleeve 41 with blade type needle handle 2 swing joint's slip guide structure 43 and this slip guide structure 43 during operation can make protective sleeve 41 along blade type needle handle 2 to puncture steel needle 1 direction unidirectional sliding, wherein, liquid adsorbed layer 5 is established on protective sleeve 41's the inner wall.
The sliding guide structure 43 comprises a guide member 100 which is arranged on the blade-shaped needle handle 2 and has an inner cavity, a plurality of one-way sliding lock teeth 200 are arranged in the cavity of the guide member 100, a sliding member 300 which can slide along the guide groove 100 is movably arranged in the cavity of the guide groove 100, a plurality of limiting lock holes 400 which are matched with the one-way sliding lock teeth 200 in a locking manner and used for limiting the sliding member 300 to slide in one direction towards the puncture steel needle 1 are arranged on the sliding member 300, and a limiting member 500 which is arranged at the tail end of the protective sleeve 41 and used for connecting the sliding member 300 with the protective sleeve 41.
The protective sleeve 41 is made of PVC plastic; the liquid absorption layer 5 is made of sponge material.
When the embodiment is used specifically, firstly, after the patient finishes withdrawing the needle during intravenous infusion, the patient grasps the blade-shaped needle handle 2 to push the protective sleeve 41 of the steel needle protective sleeve 4 to slide towards the puncture steel needle 1 under the cooperation of the guide 100 of the sliding guide structure 43 and the sliding member 300; secondly, when the tail end of the protective sleeve 41 passes through the blades of the blade-type needle handle 2 through the sliding groove 42 and slides to the front end of the blade-type needle handle 2, the sliding position of the protective sleeve 41 is limited by the cooperation of the limiting piece 500 and the guiding piece 100, so that the protective sleeve 41 is prevented from being separated from the blade-type needle handle 2 and falling off, at the moment, the protective sleeve 41 is sheathed on the puncture steel needle 1 in a covering manner, and the front end of the protective sleeve 41 extends out of the needle tip part of the puncture steel needle 1, so that the puncture steel needle 1 is hidden and not exposed; then, the one-way sliding lock tooth 200 of the sliding guide structure 43 is matched with the one-way sliding lock catch of the limiting lock hole 400 to limit the one-way sliding of the sliding piece 300 to the puncture steel needle 1 direction, so as to limit the one-way sliding of the protection sleeve 41 to the puncture steel needle 1 direction, and the protection sleeve 41 covers and sleeves the puncture steel needle 1 and then slides in an irreversible manner; finally, after the protective sleeve 41 covers and sleeves the puncture steel needle 1, the residual liquid dropped from the puncture steel needle 1 is adsorbed by the liquid adsorption layer 5.
In a word, the utility model adopts the structure, and has the advantages that the needle head of the transfusion needle can be hidden and not exposed after the intravenous transfusion is finished, the cross infection caused by personnel stabbing caused by the exposure of the needle head of the transfusion needle is effectively prevented, the residual liquid dropped in the transfusion needle can be adsorbed, and the pollution caused by the residual liquid dropped in the environment is not easy to cause.
It will be apparent to those skilled in the art that various other changes and modifications may be made in the above-described embodiments and concepts and all such changes and modifications are intended to be within the scope of the appended claims.
Claims (5)
1. A disposable safety intravenous infusion needle comprises a puncture steel needle (1) and an infusion tube (3) connected with the puncture steel needle (1) through a blade-shaped needle handle (2); the method is characterized in that: the blade-type needle handle (2) is sleeved with a steel needle protective sleeve (4) capable of sliding in a one-way direction towards the puncture steel needle (1) along the blade-type needle handle (2), and when the tail end of the steel needle protective sleeve (4) is located at the front end of the blade-type needle handle (2), the steel needle protective sleeve (4) is sleeved on the puncture steel needle (1) in a wrapping manner, and the front end of the steel needle protective sleeve (4) extends out of the needle tip part of the puncture steel needle (1); and a liquid adsorption layer (5) for adsorbing residual liquid dripped in the puncture steel needle (1) is arranged on the inner wall of the protective sleeve (4).
2. The disposable safety intravenous infusion needle according to claim 1, wherein: steel needle protective sheath (4) establish including the cover protective sleeve (41) on blade type needle handle (2) protective sleeve (41) are located on protective sleeve (41) one end of the blade of blade type needle handle (2) is seted up along the length direction of this protective sleeve (41) and is supplied spout (42) that the blade of blade type needle handle (2) passed, still include with protective sleeve (41) with blade type needle handle (2) swing joint's slip guide structure (43) and this slip guide structure (43) during operation can make protective sleeve (41) along blade type needle handle (2) to puncture steel needle (1) direction one-way slip, wherein, liquid adsorbed layer (5) are established on the inner wall of protective sleeve (41).
3. The disposable safety intravenous infusion needle according to claim 2, wherein: the sliding guide structure (43) comprises a guide piece (100) arranged on the blade type needle handle (2) and in the inner cavity, a plurality of one-way sliding lock teeth (200) are arranged in the cavity of the guide piece (100), a sliding piece (300) capable of sliding along the guide piece (100) is movably arranged in the cavity of the guide piece (100), a plurality of limiting lock holes (400) matched with the one-way sliding lock teeth (200) in a lock manner and used for limiting the sliding piece (300) to perform one-way sliding in the direction of the puncture steel needle (1) are formed in the sliding piece (300), and a limiting piece (500) arranged at the tail end of the protective sleeve (41) and used for connecting the sliding piece (300) with the protective sleeve (41) is further included.
4. The disposable safety intravenous infusion needle according to claim 3, wherein: the protective sleeve (41) is made of PVC plastic.
5. The disposable safety intravenous infusion needle according to any one of claims 1 to 4, wherein: the liquid adsorption layer (5) is made of sponge material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122685681.8U CN216676597U (en) | 2021-11-04 | 2021-11-04 | Disposable safety intravenous infusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122685681.8U CN216676597U (en) | 2021-11-04 | 2021-11-04 | Disposable safety intravenous infusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216676597U true CN216676597U (en) | 2022-06-07 |
Family
ID=81832390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122685681.8U Active CN216676597U (en) | 2021-11-04 | 2021-11-04 | Disposable safety intravenous infusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216676597U (en) |
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2021
- 2021-11-04 CN CN202122685681.8U patent/CN216676597U/en active Active
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