CN221013276U - Improved disposable intravenous puncture-proof blood taking needle - Google Patents
Improved disposable intravenous puncture-proof blood taking needle Download PDFInfo
- Publication number
- CN221013276U CN221013276U CN202321974296.8U CN202321974296U CN221013276U CN 221013276 U CN221013276 U CN 221013276U CN 202321974296 U CN202321974296 U CN 202321974296U CN 221013276 U CN221013276 U CN 221013276U
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- needle
- ring
- tube body
- protective tube
- wing
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- 239000008280 blood Substances 0.000 title claims abstract description 30
- 210000004369 blood Anatomy 0.000 title claims abstract description 30
- 238000001990 intravenous administration Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 230000006378 damage Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010241 blood sampling Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an improved disposable intravenous puncture-proof blood taking needle, which comprises a needle seat tube, a needle head, a hose and a protective tube body, wherein the needle head and the hose are respectively connected with the needle seat tube, the needle head is communicated with the hose, and a first needle wing is fixedly arranged on the side wall of the front part of the needle seat tube in a matching way; the protective tube body is movably sleeved on the needle seat tube, a sliding groove is formed in the protective tube body along the length direction of the tube body, the first needle wing is matched and glidingly arranged in the sliding groove, and the second needle wing is matched and fixedly arranged on the outer side wall of the rear part of the protective tube body; the front and rear outer side walls of the needle seat tube are respectively provided with a blocking ring, the rear inner side wall of the protective tube body is provided with two tightening rings, and the two tightening rings are correspondingly and movably clamped on the blocking rings. The utility model not only can realize the use function of protecting the needle head from puncture injury by the protective sleeve, but also can further simplify the structure of the puncture-proof blood taking needle, is safer and more rapid to operate, and is more beneficial to the actual clinical use of medical staff.
Description
Technical Field
The utility model relates to the field of design and application of disposable intravenous blood collection needles, in particular to an improved disposable intravenous puncture-proof blood collection needle.
Background
The disposable venous blood taking needle is used for taking blood samples, as shown in the attached figure 1 of the specification, a needle body at the top end of the disposable venous blood taking needle is used for puncturing blood vessels, a needle cover is movably sleeved on the needle body, a transparent hose at the tail end of the needle body is communicated with a tail needle, a needle cap is connected onto the tail needle and used for puncturing a vacuum blood taking test tube, and blood is sucked into the blood taking test tube by utilizing vacuum negative pressure in the blood taking test tube, so that blood taking operation is completed.
After the puncture blood sampling is completed, the needle cover needs to be covered on the needle body again, so that the sharp device is prevented from being exposed, then the whole blood sampling needle is discarded in the sharp device box for uniform collection and placement, accidents are easy to happen in the process of covering the needle cover, the needle body can be used for stabbing operators carelessly, injuries and infections are caused, and great potential safety hazards exist.
Chinese patent: an ejection type puncture-proof blood taking needle has the following application number: 202122480555.9, the puncture-proof blood taking needle disclosed in the patent document can push the switch of the elastic sheet by arranging the protective sleeve, the clamping groove, the elastic sheet, the boss and the like, so that the protective sleeve pops up and is sleeved at the needle head position, the needle head is protected, the medical staff is prevented from being punctured or stabbed by the needle head, and the safety of the medical staff is protected.
According to the technical scheme, on the basis of the structure of the existing puncture-proof blood taking needle, the structure of the puncture-proof blood taking needle is further improved and optimized, the protection sleeve can cover the needle head, the using function of puncture is avoided, the structure of the puncture-proof blood taking needle can be further simplified, the operation is safer and more rapid, and the practical clinical use of medical staff is more facilitated.
Disclosure of utility model
The utility model discloses an improved disposable intravenous puncture-proof blood taking needle, which mainly aims to overcome the defects and the shortcomings in the prior art.
The technical scheme adopted by the utility model is as follows:
The improved disposable intravenous puncture-proof blood taking needle comprises a needle seat tube, a needle head, a hose and a protective tube body, wherein the needle head and the hose are respectively connected with the needle seat tube, the needle head is communicated with the hose, and a first needle wing is fixedly arranged on the side wall of the front part of the needle seat tube in a matching way; the protective tube body is movably sleeved on the needle seat tube, a sliding groove is formed in the protective tube body along the length direction of the tube body, the first needle wing is matched and glidingly arranged in the sliding groove, and the second needle wing is matched and fixedly arranged on the outer side wall of the rear part of the protective tube body; the front and rear outer side walls of the needle seat tube are respectively provided with a blocking ring, the rear inner side wall of the protective tube body is provided with two tightening rings, and the two tightening rings are correspondingly and movably clamped on the blocking rings.
Still further, the blocking ring is a double-ring structure, the middle part of the blocking ring is provided with a concave ring part, the tightening ring is a single-ring structure, and the tightening ring is movably clamped at the concave ring part in a matching way.
Further, the blocking ring and the tightening ring are plastic ring bodies respectively.
Furthermore, the front and rear ends of the needle seat tube are respectively provided with a limiting retainer ring.
Furthermore, a notch matched and corresponding to the sliding groove is formed in the tight collar ring.
Further, the length of the protective tube is greater than the length of the needle.
Further, the color of the first needle wing is a first color, and the color of the second needle wing is a second color.
As can be seen from the above description of the present utility model, the present utility model has the following advantages compared with the prior art:
The advantages are as follows: according to the needle tube seat, the protective tube body, the sliding groove, the blocking ring, the tightening ring and the like are arranged, so that the protective tube body can slide back and forth on the needle tube seat, the needle head can be covered and protected movably, the needle head can be prevented from being pricked by a person, an operator can conveniently and flexibly cover the needle head, and better stability is protected.
The advantages are as follows: according to the utility model, the blocking ring and the tightening ring are arranged, and the elastic plugging can be realized by utilizing the double ring body structure of the blocking ring and the single ring body structure of the tightening ring, so that the protection tube body can keep the covering and opening stability.
The method has the following advantages: according to the utility model, the first needle wing and the second needle wing are provided with different colors, so that an operator can conveniently and accurately hold the blood taking needle, and the puncture blood taking is more flexibly carried out.
Drawings
Fig. 1 is a schematic view showing the structure of a lancet according to the related art.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic view of the structure of the present utility model in use.
Fig. 4 is a schematic structural view of the blocking ring and the binding ring of the present utility model.
Fig. 5 is a schematic view of the structure of the blocking ring and the binding ring of the present utility model in use.
The needle stand tube 1, the limiting retainer ring 11, the needle head 2, the hose 3, the protection tube body 4, the first needle wing 5, the sliding groove 6, the second needle wing 7, the blocking ring 8, the concave ring part 81, the tightening ring 9 and the notch 91.
Detailed Description
Specific embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 2 to 5, an improved disposable intravenous puncture-proof blood taking needle comprises a needle seat tube 1, a needle head 2, a hose 3 and a protective tube body 4, wherein the needle head 2 and the hose 3 are respectively connected with the needle seat tube 1, the needle head 2 is communicated with the hose 3, and a first needle wing 5 is fixedly arranged on the side wall of the front part of the needle seat tube 1 in a matched manner. The protective tube body 4 is movably sleeved on the needle seat tube 1, and the length of the protective tube body 4 is longer than that of the needle head 2. The protection pipe body 4 is provided with a sliding groove 6 along the length direction of the pipe body, the first needle wing 5 is matched and glidingly arranged in the sliding groove 6, the outer side wall of the rear part of the protection pipe body 4 is fixedly provided with a second needle wing 7 in a matched mode, the color of the first needle wing 5 is a first color, and the color of the second needle wing 7 is a second color.
As shown in fig. 2 to 5, the front and rear outer side walls of the needle seat tube 1 are respectively provided with a blocking ring 8, the rear inner side wall of the protective tube body 4 is provided with two tightening rings 9, and the two tightening rings 9 are correspondingly and movably clamped on the blocking rings 8. The blocking ring 8 is of a double-ring structure, the middle part of the blocking ring 8 is provided with a concave ring part 81, the tightening ring 9 is of a single-ring structure, the tightening ring 9 is movably clamped at the concave ring part 81 in a matched mode, and the blocking ring 8 and the tightening ring 9 are plastic ring bodies respectively. Limiting check rings 11 are further arranged at the front end and the rear end of the needle seat tube 1 respectively, and notches 91 corresponding to the sliding grooves 6 in a matching mode are formed in the tightening ring 9.
When in use, the utility model is characterized in that:
Puncture blood collection:
The packaging is opened, the blood taking needle is taken out, the first needle wing 5 is held tightly by one hand, then the second needle wing 7 is held tightly by the other hand, at this time, the second needle wing 7 is pushed downwards, the binding ring 9 at the front part of the protecting tube body 4 is separated from the blocking ring 8 at the front part of the needle seat tube 1, the protecting tube body 4 slides towards the rear part of the needle seat tube 1 along the sliding groove 6 of the needle seat tube 1, then the binding ring 9 at the rear part of the protecting tube body 4 is clamped with the blocking ring 8 at the rear part of the needle seat tube 1, at this time, the binding ring 9 is clamped in the concave ring part 81 of the blocking ring 8, the needle head 2 covered by the protecting tube body 4 is exposed, at this time, the medical staff holds the first needle wing 5 again, and punctures veins by the needle head 2, and blood taking operation is carried out.
Covering the needle:
after blood collection is completed, the needle head 2 is pulled out of the vein, at this time, a medical staff holds the first needle wing 5 by one hand and holds the second needle wing 7 by the other hand, the second needle wing 7 is pushed upwards, so that the binding ring 9 at the rear part of the protective tube body 4 is separated from the blocking ring 8 at the rear part of the needle seat tube 1, the protective tube body 4 can slide and move in the sliding groove 6 of the needle seat tube 1, the protective tube body 4 gradually covers the needle head 2 in the forward sliding process, and after the binding ring 9 at the front part of the protective tube body 4 is blocked with the blocking ring 8 at the front part of the needle seat tube 1, the binding ring 9 is blocked in the concave ring 81 of the blocking ring 8, and meanwhile, the needle head 2 is completely covered by the protective tube body 4, at this time, the medical staff completes the collection of the needle head 2 and discards the blood collection needle into the dash box for unified collection.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the design concept of the present utility model is not limited thereto, and any insubstantial modifications made by the present utility model shall fall within the scope of the present utility model.
Claims (7)
1. An improved disposable intravenous puncture-proof blood taking needle which is characterized in that: the needle head and the hose are respectively connected with the needle seat tube, the needle head is communicated with the hose, and a first needle wing is fixedly arranged on the side wall of the front part of the needle seat tube in a matching way; the protective tube body is movably sleeved on the needle seat tube, a sliding groove is formed in the protective tube body along the length direction of the tube body, the first needle wing is matched and glidingly arranged in the sliding groove, and the second needle wing is matched and fixedly arranged on the outer side wall of the rear part of the protective tube body; the front and rear outer side walls of the needle seat tube are respectively provided with a blocking ring, the rear inner side wall of the protective tube body is provided with two tightening rings, and the two tightening rings are correspondingly and movably clamped on the blocking rings.
2. An improved disposable intravenous puncture-resistant lancet as set forth in claim 1, wherein: the blocking ring is of a double-ring structure, the middle part of the blocking ring is provided with a concave ring part, the tightening ring is of a single-ring structure, and the tightening ring is matched with the movable clamping part to be clamped at the concave ring part.
3. An improved disposable intravenous puncture-resistant lancet as set forth in claim 2, wherein: the blocking ring and the tightening ring are plastic ring bodies respectively.
4. An improved disposable intravenous puncture-resistant lancet as set forth in claim 1, wherein: limiting check rings are respectively arranged at the front end and the rear end of the needle seat tube.
5. An improved disposable intravenous puncture-resistant lancet as set forth in claim 1, wherein: and a notch matched and corresponding to the sliding groove is formed in the tight collar ring.
6. An improved disposable intravenous puncture-resistant lancet as set forth in claim 1, wherein: the length of the protective tube body is longer than that of the needle head.
7. An improved disposable intravenous puncture-resistant lancet as set forth in claim 1, wherein: the color of the first needle wing is a first color, and the color of the second needle wing is a second color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321974296.8U CN221013276U (en) | 2023-07-26 | 2023-07-26 | Improved disposable intravenous puncture-proof blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321974296.8U CN221013276U (en) | 2023-07-26 | 2023-07-26 | Improved disposable intravenous puncture-proof blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221013276U true CN221013276U (en) | 2024-05-28 |
Family
ID=91178121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321974296.8U Active CN221013276U (en) | 2023-07-26 | 2023-07-26 | Improved disposable intravenous puncture-proof blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221013276U (en) |
-
2023
- 2023-07-26 CN CN202321974296.8U patent/CN221013276U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |