CN213282942U - Safe type vein blood taking needle - Google Patents
Safe type vein blood taking needle Download PDFInfo
- Publication number
- CN213282942U CN213282942U CN202021245006.2U CN202021245006U CN213282942U CN 213282942 U CN213282942 U CN 213282942U CN 202021245006 U CN202021245006 U CN 202021245006U CN 213282942 U CN213282942 U CN 213282942U
- Authority
- CN
- China
- Prior art keywords
- needle
- blood taking
- taking needle
- supporting cylinder
- side wall
- 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
- 239000008280 blood Substances 0.000 title claims abstract description 47
- 210000004369 blood Anatomy 0.000 title claims abstract description 47
- 210000003462 vein Anatomy 0.000 title claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001990 intravenous administration Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 13
- 235000017491 Bambusa tulda Nutrition 0.000 description 13
- 241001330002 Bambuseae Species 0.000 description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 13
- 239000011425 bamboo Substances 0.000 description 13
- 125000006850 spacer group Chemical group 0.000 description 6
- 208000015181 infectious disease Diseases 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010241 blood sampling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A safe venous blood taking needle effectively solves the problem that medical staff are easy to accidentally injure after a needle head is pulled out when taking blood; the blood taking needle comprises a vein blood taking needle, wherein a blood taking needle and a tail needle of the vein blood taking needle are respectively and fixedly provided with a protective device, the protective device comprises a supporting cylinder which is axially arranged from top to bottom and has an upward opening, the right side wall of the supporting cylinder is provided with a slot which is communicated from left to right and has an upward opening, the upper ends of the blood taking needle and the tail needle respectively penetrate through the lower side wall of the supporting cylinder and extend out of the supporting cylinder, a blocking sleeve which can block the blood taking needle and the tail needle is coaxially and slidably connected in the supporting cylinder, the blocking sleeve is provided with a push block which can be inserted into the slot, the push block is provided with a limiting slot with a downward opening, the left side wall of the limiting slot is provided with a clamping slot, the supporting; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.
Description
Technical Field
The utility model relates to a blood sampling auxiliary instrument technical field, concretely relates to safe type blood sampling needle.
Background
At present the disposable venous blood taking needle that uses clinically, both ends respectively have a syringe needle, one end is the same puncture skin of ordinary scalp acupuncture, one end wraps up in a telescopic rubber membrane is pricked into the heparin tube, two are extracted skin or the heparin tube after, all probably take place the acupuncture wound, prick nurse oneself, the non-disposable blood taking needle commonly used simultaneously is after the use, need sheathe the needle cover for the syringe needle in order to protect the syringe needle, the syringe needle is very easy when carrying out this kind of operation and is accidentally injured medical personnel, medical personnel's infection risk has been increased.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a safe type venous blood taking needle, which effectively solves the problem that the needle is easy to be accidentally injured after being pulled out when medical personnel take blood.
The technical scheme of its solution is, the utility model discloses a vein blood taking needle, the blood taking needle of vein blood taking needle, be fixed with protection device on the tail needle respectively, protection device includes axial and opening support section of thick bamboo up from top to bottom, it link up and opening slot up to have seted up about having seted up on the support section of thick bamboo right side wall, the blood taking needle, the tail needle upper end runs through support section of thick bamboo downside wall respectively and stretches out from the support section of thick bamboo, coaxial sliding connection has the blood taking needle that can shelter from in the support section of thick bamboo, the spacer sleeve of tail needle, be equipped with the ejector pad that can insert in the slot on the spacer sleeve, set up the spacing groove of opening down on the ejector pad, be equipped with the draw-in groove on the spacing groove left side wall, set up the drive groove that the direction just communicates.
Compared with the prior art, the beneficial effects of the utility model are that: rational in infrastructure, convenient to use sets up a support section of thick bamboo, spacer sleeve, ejector pad, can shelter from the syringe needle of vein blood taking needle, avoids the syringe needle to stab medical personnel and causes certain infection risk for it, is equipped with buckle, draw-in groove, briquetting and swivel simultaneously, is favorable to medical personnel to the control of this device, the use of this device of being convenient for, this simple structure, convenient operation, the design is novel, and the practicality is strong.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a perspective view of the utility model.
Figure 3 is an isometric view of the needle of the present invention when exposed.
Fig. 4 is an enlarged view of a in fig. 2 according to the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
By figure 1 to 4, including the blood taking needle, blood taking needle 1 of blood taking needle, be fixed with protection device on the tail needle 2 respectively, protection device includes axial and opening up's a support section of thick bamboo 3 from top to bottom, link up and opening slot 4 up about having seted up on the 3 right side walls of a support section of thick bamboo, blood taking needle 1, tail needle 2 upper end runs through support section of thick bamboo 3 lower lateral wall respectively and stretches out in the support section of thick bamboo 3, coaxial sliding connection has the blood taking needle 1 of can sheltering from in the support section of thick bamboo 3, the spacer 5 of tail needle 2, be equipped with ejector pad 6 that can insert in the slot 4 on the spacer 5, open-down spacing groove 7 has been seted up on the ejector pad 6, be equipped with draw-in groove 8 on the wall of spacing groove 7 left side, set up the orientation on the support section of thick bamboo 3 and with the drive groove 9 of slot 4 downside intercommunication.
In order to facilitate the movement of the blocking sleeve 5, the bottom surface of the supporting cylinder 3 is connected with the lower end of the blocking sleeve 5 through a pressure spring 11.
In order to facilitate the insertion of the buckle 10 into the clamping groove 8, the middle part of the buckle 10 is rotatably connected with the supporting cylinder 3 through a pin shaft 12 in the front-back axial direction, and an elastic sheet 13 in contact with the upper side of the right end face of the buckle 10 is arranged on the right side wall of the transmission groove 9.
In order to facilitate the buckle 10 to move out of the clamping groove 8, a sliding groove 14 which is located below the pin shaft 12 and is through from left to right is formed in the right side wall of the transmission groove 9, a pressing block 15 which can move up and down is arranged in the sliding groove 14, the pressing block 15 can be in contact with the buckle 10, and the upper end face of the pressing block is an inclined plane which is low at the left and high at the right.
In order to move the pressing block 15 up and down, a rotating ring 16 is coaxially and rotatably connected to the outer edge surface of the supporting cylinder 3, and the rotating ring 16 is in threaded connection with the right end of the pressing block 15.
In order to facilitate the rotation of the rotating ring 16, a plurality of anti-slip strips 17 are uniformly distributed along the circumferential direction of the rotating ring 16 on the outer edge surface.
When the utility model is used, the push block 6 is moved downwards, the push block 6 drives the blocking sleeve 5 to move downwards and extrude the pressure spring 11, along with the movement of the blocking sleeve 5, the lower side of the blocking sleeve 5 moves into the supporting cylinder 3, and meanwhile, the lower side of the push block 6 is inserted into the slot 4, at the moment, the blocking sleeve 5 does not shield the blood taking needle 1, and the blood taking needle 1 is exposed;
after the blood taking needle 1 is exposed, the push block 6 continues to move downwards, the push block 6 is in contact with the buckle 10 and pushes the buckle 10 rightwards, the upper side of the buckle 10 swings rightwards along the pin shaft 12 and extrudes the elastic sheet 13, meanwhile, the upper end of the buckle 10 is inserted into the limiting groove 7, along with the movement of the push block 6, when the upper end of the buckle 10 moves to the clamping groove 8, under the action of the elastic sheet 13, the upper end of the buckle 10 swings leftwards and is inserted into the clamping groove 8, the position of the push block 6 is limited at the moment, the blocking sleeve 5 is inserted into the supporting cylinder 3, and the blood taking needle 1 is exposed;
after the blood taking needle 1 is exposed, the tail needle 2 is exposed through the steps, the preparation stage is finished, blood collection is carried out on a patient by using venous blood collection, and after the blood collection is finished, the blood taking needle 1 is pulled out of the patient;
at the moment, if the blood taking needle 1 and the tail needle 2 need to be shielded, the rotating ring 16 is rotated clockwise, because the rotating ring 16 is in threaded connection with the pressing block 15, the pressing block 15 moves upwards along with the rotation of the rotating ring 16, and because the upper end surface of the pressing block 15 is an inclined surface which is lower at the left and higher at the right, the inclined surface of the pressing block 15 is in contact with the lower end of the buckle 10 along with the movement of the pressing block 15, and pushes the lower end of the buckle 10 to swing leftwards, the upper end of the buckle 10 swings rightwards along the pin shaft 12 and presses the elastic sheet 13, along with the movement of the pressing block 15, when the left end surface of the pressing block 15 is in contact with the right end surface of the buckle 10, the upper end of the buckle 10 moves out of the clamping groove 8, at the moment, under the action of the pressure spring 11, the blocking sleeve 5 moves upwards and restores to the initial position to shield the blood taking needle 1 and the tail needle 2, along, at this point the device is finished.
Compared with the prior art, the beneficial effects of the utility model are that: rational in infrastructure, convenient to use sets up a support section of thick bamboo, spacer sleeve, ejector pad, can shelter from the syringe needle of vein blood taking needle, avoids the syringe needle to stab medical personnel and causes certain infection risk for it, is equipped with buckle, draw-in groove, briquetting and swivel simultaneously, is favorable to medical personnel to the control of this device, the use of this device of being convenient for, this simple structure, convenient operation, the design is novel, and the practicality is strong.
Claims (6)
1. A safety type vein blood taking needle comprises a vein blood taking needle, wherein a blood taking needle (1) and a tail needle (2) of the vein blood taking needle are respectively fixed with a protective device, the protective device is characterized in that the protective device comprises a supporting cylinder (3) which is axially arranged from top to bottom and has an upward opening, the right side wall of the supporting cylinder (3) is provided with a slot (4) which is through from left to right and has an upward opening, the upper ends of the blood taking needle (1) and the tail needle (2) respectively penetrate through the lower side wall of the supporting cylinder (3) and extend out of the supporting cylinder (3), the supporting cylinder (3) is coaxially and slidably connected with a blocking sleeve (5) which can block the blood taking needle (1) and the tail needle (2), the blocking sleeve (5) is provided with a push block (6) which can be inserted into the slot (4), the push block (6) is provided with a limiting groove (7) with a downward opening, the left side wall of the limiting groove (7) is provided, a buckle (10) which is arranged in the transmission groove (9) and can be inserted into the clamping groove (8) in the vertical direction.
2. The safety type intravenous blood collection needle according to claim 1, wherein the bottom surface of the supporting cylinder (3) is connected with the lower end of the retaining sleeve (5) through a compression spring (11).
3. The safety type intravenous blood collection needle according to claim 1, wherein the middle part of the buckle (10) is rotatably connected with the support cylinder (3) through a pin shaft (12) in the axial direction from front to back, and an elastic sheet (13) contacted with the upper side of the right end face of the buckle (10) is arranged on the right side wall of the transmission groove (9).
4. The safety type venous blood collection needle according to claim 1, wherein a sliding groove (14) which is positioned below the pin shaft (12) and penetrates left and right is formed in the right side wall of the transmission groove (9), a pressing block (15) which can move up and down is arranged in the sliding groove (14), the pressing block (15) can be in contact with the buckle (10), and the upper end face of the pressing block is an inclined plane which is low at the left and high at the right.
5. A safety type intravenous blood collection needle according to claim 1, characterized in that the outer peripheral surface of the support cylinder (3) is coaxially and rotatably connected with a rotary ring (16) at the lower side thereof, and the rotary ring (16) is in threaded connection with the right end of the pressing block (15).
6. A safety lancet according to claim 5, wherein the outer peripheral surface of the rotary ring (16) is provided with a plurality of anti-slip strips (17) uniformly distributed along the circumferential direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021245006.2U CN213282942U (en) | 2020-06-29 | 2020-06-29 | Safe type vein blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021245006.2U CN213282942U (en) | 2020-06-29 | 2020-06-29 | Safe type vein blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213282942U true CN213282942U (en) | 2021-05-28 |
Family
ID=76018661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021245006.2U Expired - Fee Related CN213282942U (en) | 2020-06-29 | 2020-06-29 | Safe type vein blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213282942U (en) |
-
2020
- 2020-06-29 CN CN202021245006.2U patent/CN213282942U/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: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |