CN213217052U - Blood taking needle capable of preventing puncture wound - Google Patents
Blood taking needle capable of preventing puncture wound Download PDFInfo
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- CN213217052U CN213217052U CN202021692733.3U CN202021692733U CN213217052U CN 213217052 U CN213217052 U CN 213217052U CN 202021692733 U CN202021692733 U CN 202021692733U CN 213217052 U CN213217052 U CN 213217052U
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Abstract
The utility model discloses a blood taking needle capable of preventing puncture injury, which comprises a hose, a blood taking needle and a puncture needle, wherein one end of the hose is fixedly connected with the blood taking needle, the blood taking needle comprises a blood taking needle body and a blood taking outer cover cylinder, the blood taking needle body is movably arranged in the blood taking outer cover cylinder and can vertically and movably move, the lower part of the blood taking outer cover cylinder is provided with an opening, the blood taking needle body is provided with a needle handle which extends out of the opening, and the blood taking needle body can be accommodated in the blood taking outer cover cylinder; the other end and the pjncture needle rigid coupling of hose, the pjncture needle is including the puncture needle body, connecting rod and cylindrical puncture outer cover section of thick bamboo, the pjncture needle body passes through the connecting rod and connects the puncture outer cover section of thick bamboo, and with the most advanced suit of pjncture needle body in, the puncture outer cover section of thick bamboo still is equipped with the closing means who can open or close and seals the port, after the use, the blood taking needle is restricted in the blood sampling outer cover section of thick bamboo, the pjncture needle is restricted in the puncture outer cover section of thick bamboo, all sharp most advanced of blood sampling are all restricted not to expose outside, reduce the emergence of staff by.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to blood taking needle that can prevent puncture wound.
Background
Blood sampling is one of the indispensable projects when carrying out health inspection or treatment in the hospital, and blood sampling needs to use the vein blood sampling device, and the current vein blood sampling device in the existing market generally comprises stopcock pjncture needle, pipe and vein pjncture needle. After the sheath is pulled off and medical staff finishes blood sampling, the needle tip of the venous blood sampling needle is exposed outside.
After the blood sampling is finished, the needle point is exposed outside, and no protective measures are provided, so that medical staff are careless in operation, the needle point of the contaminated venipuncture needle is easy to stab, virus cross infection is caused, and the consequences are more serious if a blood sampler suffers from infectious diseases. Clinically, accidental acupuncture is a long-standing and difficult-to-avoid problem.
SUMMERY OF THE UTILITY MODEL
To the technical problem that prior art exists, the utility model provides a can prevent blood taking needle of puncture wound.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blood taking needle capable of preventing puncture injury comprises a hose, a blood taking needle and a puncture needle, wherein one end of the hose is fixedly connected with the blood taking needle, the blood taking needle comprises a blood taking needle body and a blood taking outer cover barrel, the blood taking needle body is movably mounted in the blood taking outer cover barrel and can vertically and vertically move, two vertically distributed through holes are formed in the lower portion of the blood taking outer cover barrel and communicated with the inside of the blood taking outer cover barrel, the two through holes are oppositely arranged, two needle handles are fixedly connected to two sides of the blood taking needle body respectively and extend out of the two through holes respectively, when the needle handles move to the top ends of the through holes, the blood taking tip ends of the blood taking needle body are completely exposed, and when the needle handles move to the bottom ends of the blood taking through holes, the blood taking tip ends of the blood taking needle body are contained in the; the other end of hose with the pjncture needle rigid coupling, the pjncture needle includes a puncture needle body, connecting rod and a cylindrical puncture outer cover section of thick bamboo, the lateral wall rigid coupling of puncture needle body has two mutual dispositions's connecting rod, the upper end of connecting rod with puncture outer cover section of thick bamboo rigid coupling, and will including the puncture needle body suit, the top of a puncture outer cover section of thick bamboo is for freely leaning on the mouth, and its internal diameter is greater than the external diameter of heparin tube, just puncture outer cover section of thick bamboo top still is equipped with the mobile closing device who opens or close, will puncture outer cover section of thick bamboo top port covers.
Further, the blood sampling needle body includes from last to connecting gradually down get blood needle, needle file, go up connecting pipe, needle handle seat and connecting pipe down, the needle file outer wall including the rubber layer with blood sampling dustcoat section of thick bamboo inner wall touches mutually, the needle handle rigid coupling is in needle handle seat outer wall.
Further, a blood sampling dustcoat section of thick bamboo includes from last first section of thick bamboo and the section of thick bamboo of second section of thick bamboo that makes to lower integrated into one piece, first section of thick bamboo and the section of thick bamboo length of second section of thick bamboo equal, the opening distributes on the outer wall of the section of thick bamboo of second section, the connecting pipe is followed down the section of thick bamboo is inside to be stretched out and the hose switch-on.
Further, the distance between the puncture tip of the puncture needle body and the top opening of the puncture outer cover cylinder is 0.8-1.5 cm; the outer wall of the puncture outer cover cylinder is provided with two supporting seats which are distributed oppositely; the sealing device comprises two supporting rods and two semicircular cover plates, the bottom ends of the supporting rods are respectively installed in the supporting seat through torsion springs, and each supporting rod is fixedly connected with one semicircular cover plate at the top end and is connected with the corresponding semicircular cover plate in an abutting mode.
Furthermore, each top surface of the semicircular cover plate is fixedly connected with a pushing block, and the two pushing blocks are oppositely arranged.
To sum up, the beneficial effects of the utility model are that: when blood sampling is carried out, the needle handle is pushed by hand to push the blood sampling tip end of the blood sampling needle body out of the blood sampling outer cover barrel, and the blood sampling tip end is exposed and then pricked into a vein for blood sampling. And opening the sealing device, exposing the port of the puncture outer cover cylinder, sleeving the blood collection tube into the puncture outer cover cylinder from the port, operating the puncture needle body to puncture into the blood collection tube, and allowing the blood to flow into the blood collection tube through the hose for collection and storage. After the blood sampling is finished, the needle handle is pushed to the bottom end of the opening at the outer part of the blood sampling outer cover barrel, so that the blood sampling end with blood can be accommodated into the blood sampling outer cover barrel to be protected from puncture, after the blood sampling tube is taken out, the tip end of the puncture needle body is always in the puncture outer cover barrel, the port is completely covered by the sealing device, and the puncture needle is protected from puncture. After the blood taking needle is used, the blood taking needle is limited in the blood taking outer cover cylinder, the puncture needle is limited in the puncture outer cover cylinder, all sharp tips of blood taking are limited and are not exposed outside, and the occurrence of accidental puncture injury of workers in the subsequent recovery processing process is reduced.
Drawings
Fig. 1 is a schematic structural view of a blood taking needle capable of preventing puncture injury provided by the utility model.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
In the figure, 100-hose, 200-blood taking needle, 210-blood taking needle body, 211-blood taking needle, 212-needle seat, 2120-rubber layer, 213-upper connecting tube, 214-needle handle seat, 2140-needle handle, 215-lower connecting tube, 220-blood taking outer cover cylinder, 221-first section cylinder, 222-second section cylinder, 2220-through port, 300-puncture needle, 310-puncture needle body, 320-connecting rod, 330-puncture outer cover cylinder, 331-supporting seat, 400-sealing device, 410-supporting rod, 420-semicircular cover plate, 421-pushing block and 500-torsion spring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in FIG. 1, the present invention provides a lancet 200 capable of preventing a puncture wound, which includes a flexible tube 100, a lancet 200 and a puncture needle 300. The one end of hose 100 with blood taking needle 200 rigid coupling, blood taking needle 200 includes blood taking needle body 210 and blood taking outer cover section of thick bamboo 220, blood taking needle body 210 movable mounting be in the blood taking outer cover section of thick bamboo 220 to can be in a section of thick bamboo vertical up-and-down movable movement. The lower part of the blood sampling outer cover barrel 220 is provided with two vertically distributed through holes 2220 communicated with the inside, the two through holes 2220 are oppositely arranged, two needle handles 2140 are fixedly connected to two sides of the blood sampling needle body 210 respectively, and the two needle handles 2140 extend out of the two through holes 2220 respectively. When the needle handle 2140 is movably moved to the top end of the through hole 2220, the lancet tip of the lancet body 210 is completely exposed, and when the needle handle 2140 is movably moved to the bottom end of the through hole 2220, the lancet tip of the lancet body 210 is received in the lancet housing tube 220. The other end of the hose 100 is fixedly connected with the puncture needle 300, and the puncture needle 300 comprises a puncture needle body 310, a connecting rod 320 and a cylindrical puncture outer cover barrel 330. The outer side wall of the puncture needle body 310 is fixedly connected with two oppositely arranged connecting rods 320, the upper ends of the connecting rods 320 are fixedly connected with the puncture outer cover barrel 330, and the puncture needle body 310 is sleeved in the puncture outer cover barrel. The top of puncture outer cover section of thick bamboo 330 is for freely leaning on the mouth, and its internal diameter is greater than the external diameter of heparin tube, just puncture outer cover section of thick bamboo 330 top still is equipped with the mobile closing device 400 that opens or close, will puncture outer cover section of thick bamboo 330 top port covers.
With the above structure, when blood is collected, the needle handle 2140 is pushed by hand to push the blood collection tip of the blood collection needle body 210 out of the blood collection outer cover barrel 220, and the blood collection tip is exposed and then penetrates into the vein for blood collection. The sealing device 400 is opened to expose the port of the puncture housing 330, the blood collection tube is sleeved into the puncture housing 330 from the port, the puncture needle 300 is operated to puncture into the blood collection tube, and the blood flows into the blood collection tube through the hose 100 for collection and storage. After the blood collection is completed, the needle handle 2140 is pushed to the bottom end of the through hole 2220 at the outside of the blood collection outer cover barrel 220, so that the blood collection end with blood can be accommodated in the blood collection outer cover barrel 220 for puncture-proof protection, and after the blood collection tube is taken out, the tip of the puncture needle 300 body is always in the puncture outer cover barrel 330, and the port is completely covered by the sealing device 400, and the puncture needle 300 is protected from puncture. After the blood taking needle 200 is limited in the blood taking outer cover barrel 220, the puncture needle 300 is limited in the puncture outer cover barrel 330, all sharp tips of blood taking are limited not to be exposed, and the occurrence of accidental puncture injury of workers in the subsequent recovery processing process is reduced.
As an optional embodiment, the blood sampling needle body 210 includes a blood sampling needle 211, a needle seat 212, an upper connection tube 213, a needle handle seat 214 and a lower connection tube 215, which are sequentially connected from top to bottom, the outer wall of the needle seat 212 includes a rubber layer 2120 contacting with the inner wall of the blood sampling outer cover barrel 220, and the needle handle 2140 is fixedly connected to the outer wall of the needle handle seat 214. The rubber layer 2120 on the needle base 212 rubs against the inner wall of the blood collection housing cylinder 220 to be in sliding fit with the blood collection housing cylinder 220. The blood sampling outer cover cylinder 220 comprises a first section cylinder 221 and a second section cylinder 222 which are integrally formed from top to bottom, and the lengths of the first section cylinder 221 and the second section cylinder 222 are equal. The through opening 2220 is distributed on the outer wall of the second barrel 222, and the lower connection pipe 215 extends from the inside of the second barrel 222 to communicate with the hose 100.
The distance between the puncture tip of the puncture needle body 310 and the top opening of the puncture outer cover cylinder 330 is 0.8-1.5 cm. The puncture tip is close to the port, so that the worker can observe the puncture condition conveniently. The outer wall of the puncture outer cover cylinder 330 is provided with two support seats 331 which are distributed oppositely. The sealing device 400 comprises two support rods 410 and two semicircular cover plates 420, the connecting rod 320 is in an L shape, and the bottom ends of the two support rods 410 are respectively installed in the support base 331 through torsion springs 500. A semicircular cover plate 420 is fixedly connected to the top end of each support rod 410, and the two semicircular cover plates 420 are abutted. The two semicircular cover plates 420 are operated to be far away from the top end port of the puncture outer cover barrel 330, so that the port can be exposed, after blood sampling is completed, the blood sampling tube is pulled out from the puncture outer cover barrel 330, the torsion spring 500 drives the two semicircular cover plates 420 to return, the top end port of the puncture outer cover barrel 330 is closed, and the condition that a worker is accidentally punctured by the puncture tip close to the port is further avoided. The lower part of the puncture needle body 310 is exposed outside, so that workers can conveniently judge the puncture depth, and the influence of puncture in the puncture outer cover cylinder 330 is reduced.
The top surface of each semicircular cover plate 420 is fixedly connected with a pushing block 421, and the two pushing blocks 421 are oppositely arranged. The fingers are placed between the two pushing blocks 421, so that the pushing blocks push the semicircular cover plates 420 away from each other, thereby facilitating the opening of the sealing device 400.
In another embodiment, as shown in fig. 2, the outer wall of the blood collecting outer cover cylinder 220 is also fixedly connected with two oppositely distributed supporting seats 331, and the sealing device 400 is also installed on the supporting seats 331. Two semicircular cover plates 420 of the sealing device 400 are abutted together to seal the top port of the blood sampling outer cover barrel 220, so that even if misoperation occurs to push the needle handle 2140 to be close to the top end of the through hole 2220, the sealing device 400 seals the port of the outlet needle, and the protection effect of puncture injury prevention is improved.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (5)
1. A blood taking needle capable of preventing puncture injury is characterized in that: the blood sampling device comprises a hose, a blood sampling needle and a puncture needle, wherein one end of the hose is fixedly connected with the blood sampling needle, the blood sampling needle comprises a blood sampling needle body and a blood sampling outer cover cylinder, the blood sampling needle body is movably arranged in the blood sampling outer cover cylinder and can vertically and vertically move, two vertically distributed through holes are formed in the lower portion of the blood sampling outer cover cylinder and communicated with the inside of the blood sampling needle body, the two through holes are oppositely arranged, two needle handles are fixedly connected to two sides of the blood sampling needle body respectively and extend out of the two through holes respectively, when the needle handles move to the top ends of the through holes, the blood sampling tip ends of the blood sampling needle body are completely exposed, and when the needle handles move to the bottom ends of the through holes, the blood sampling tip ends of the blood sampling needle body are accommodated; the other end of hose with the pjncture needle rigid coupling, the pjncture needle includes a puncture needle body, connecting rod and a cylindrical puncture outer cover section of thick bamboo, the lateral wall rigid coupling of puncture needle body has two mutual dispositions's connecting rod, the upper end of connecting rod with puncture outer cover section of thick bamboo rigid coupling, and will including the puncture needle body suit, the top of a puncture outer cover section of thick bamboo is for freely leaning on the mouth, and its internal diameter is greater than the external diameter of heparin tube, just puncture outer cover section of thick bamboo top still is equipped with the mobile closing device who opens or close, will puncture outer cover section of thick bamboo top port covers.
2. A puncture-resistant blood lancet according to claim 1, wherein: the blood sampling needle body includes from last to down the needle of getting blood, needle file, last connecting pipe, needle handle seat and the lower connecting pipe that connects gradually, the needle file outer wall including the rubber layer with blood sampling dustcoat section of thick bamboo inner wall touches mutually, the needle handle rigid coupling is in needle handle seat outer wall.
3. A puncture-resistant blood lancet according to claim 2, wherein: a blood sampling dustcoat section of thick bamboo includes from last first section of thick bamboo and the section of thick bamboo of second section of thick bamboo that makes to lower integrated into one piece, first section of thick bamboo and the section of thick bamboo length of second section of thick bamboo equal, the opening distributes on the outer wall of the section of thick bamboo of second section, the connecting pipe is followed down the section of thick bamboo inside of second section of thick bamboo stretch out with the hose switch-on.
4. A puncture-resistant blood lancet according to claim 1, wherein: the distance between the puncture tip of the puncture needle body and the top opening of the puncture outer cover cylinder is 0.8-1.5 cm; the outer wall of the puncture outer cover cylinder is provided with two supporting seats which are distributed oppositely; the sealing device comprises two supporting rods and two semicircular cover plates, the bottom ends of the supporting rods are respectively installed in the supporting seat through torsion springs, and each supporting rod is fixedly connected with one semicircular cover plate at the top end and is connected with the corresponding semicircular cover plate in an abutting mode.
5. A puncture-resistant blood lancet according to claim 4, wherein: each semi-circular apron's top surface all rigid coupling has the promotion piece, two promote the piece and be relative arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692733.3U CN213217052U (en) | 2020-08-14 | 2020-08-14 | Blood taking needle capable of preventing puncture wound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692733.3U CN213217052U (en) | 2020-08-14 | 2020-08-14 | Blood taking needle capable of preventing puncture wound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213217052U true CN213217052U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021692733.3U Active CN213217052U (en) | 2020-08-14 | 2020-08-14 | Blood taking needle capable of preventing puncture wound |
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| Country | Link |
|---|---|
| CN (1) | CN213217052U (en) |
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2020
- 2020-08-14 CN CN202021692733.3U patent/CN213217052U/en active Active
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