CN212996443U - Fixing device for venous blood taking needle - Google Patents
Fixing device for venous blood taking needle Download PDFInfo
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- CN212996443U CN212996443U CN202020973561.0U CN202020973561U CN212996443U CN 212996443 U CN212996443 U CN 212996443U CN 202020973561 U CN202020973561 U CN 202020973561U CN 212996443 U CN212996443 U CN 212996443U
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Abstract
本实用新型公开了一种静脉采血针固定装置，包括底板、设置在所述底板两侧的连接带和设在底板上的固定机构，所述固定机构包括固定板和盖板，所述固定板上设有盖板座、盖板固定块和容纳槽，所述容纳槽用于放置采血针，所述盖板转动连接在与所述盖板座上，所述盖板与所述盖板固定块配合锁止，从而将位于容纳槽内的采血针固定在固定板上。结构简单，操作方便，能够在采血过程中固定采血针，避免采血针针头滑落导致对采血者进行二次穿刺以及血液标本污染。
The utility model discloses a venous blood collection needle fixing device, comprising a base plate, connecting straps arranged on both sides of the base plate and a fixing mechanism arranged on the base plate, the fixing mechanism comprises a fixing plate and a cover plate, the fixing plate There is a cover plate seat, a cover plate fixing block and an accommodating groove, the accommodating groove is used to place the blood collection needle, the cover plate is rotatably connected to the cover plate seat, and the cover plate and the cover plate are fixed The block cooperates and locks, so that the blood collection needle located in the accommodating groove is fixed on the fixing plate. The structure is simple and the operation is convenient, the blood collection needle can be fixed during the blood collection process, and the needle of the blood collection needle can be prevented from slipping off, causing secondary puncture to the blood collection person and contamination of the blood sample.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary equipment, especially relate to a fixing device for venous blood sampling needle.
Background
The venous blood sampling is the most commonly used method for testing whether the body fluid of a patient is normal in medicine, and the physical examination of healthy people can evaluate the health condition of one person according to the difference between other standard values of the healthy people and the standard values of normal people through blood sampling test of the healthy people; the blood sampling in the diagnosis process can help doctors to find out the cause of the disease, and a powerful basis is provided for diagnosis; blood sampling during treatment allows monitoring of the effectiveness of the patient's disease treatment. Therefore, the purpose of disease detection, prevention or treatment can be achieved by venous blood sampling.
When blood is collected by using a venous blood collection needle, a medical worker usually finds a puncture point and then punctures and collects blood by holding the needle handle, after the needle penetrates into a blood vessel of a blood collector, the medical worker needs to press the needle handle with one hand and then perform subsequent operation of fixing the needle handle by using a medical adhesive tape with the other hand, so that the operation is extremely inconvenient; the needle handle is not firmly fixed through the medical adhesive tape, so that the needle head is easy to slide off when the blood sampling test tube is punctured, the puncture needle needs to be forcibly punctured into the test tube when the blood sampling test tube is punctured, and the needle head is easy to slide off due to the short catheter of the venous blood sampling needle; secondly, when the blood sampling is carried out on children, the needle head is easy to slide off due to low matching degree of the children.
The needle head slides off, so that secondary puncture is performed on a blood collector, the pain of the blood collector is increased, the workload of medical staff is increased, and the working quality and efficiency of medical care are affected; meanwhile, the blood specimen is contacted with the external needle in the process of sliding the needle head, so that the risk of pollution to the blood specimen is increased, and medical workers can be infected and the surrounding environment can be polluted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a venous blood taking needle fixing device that can fix the blood taking needle during blood sampling, prevent the unexpected landing of blood taking needle.
In order to solve the problem, the utility model provides a blood taking needle fixing device for vein, be in including bottom plate, setting the connecting band of bottom plate both sides and establish the fixed establishment on the bottom plate, fixed establishment includes fixed plate and apron, be equipped with apron seat, apron fixed block and holding tank on the fixed plate, the holding tank is used for placing the blood taking needle, the apron rotate connect with on the apron seat, the apron with apron fixed block cooperation locking to the blood taking needle that will be located the holding tank is fixed on the fixed plate.
The fixing mechanism is movably arranged on the adjusting mechanism, and the lower side of the adjusting mechanism is fixedly connected with the bottom plate; the adjusting mechanism comprises a sliding groove, a screw rod and an adjusting knob, a through hole is formed in one end of the sliding groove, one end of the screw rod penetrates through the through hole and is fixedly connected with the adjusting knob, the other end of the screw rod is rotatably arranged on the inner wall of the sliding groove, and the fixing mechanism is arranged on the screw rod in a threaded mode.
Furthermore, a sliding block is arranged on the lower side of the fixing mechanism, a screw hole is formed in the sliding block, and the screw rod is arranged in the screw hole in a threaded mode.
Furthermore, a rotating shaft is arranged at one end of the cover plate, the rotating shaft is arranged on the cover plate seat, the cover plate can rotate around the central line of the rotating shaft when the cover plate is located at the first position of the cover plate seat, the cover plate can only transversely move along the cover plate seat when the cover plate is located at the second position of the cover plate seat, a locking block is arranged at the other end of the cover plate, and a locking groove matched with the locking block is formed in the cover plate fixing block.
Furthermore, the cover plate seat is provided with a rotating shaft hole, the rotating shaft is arranged in the rotating shaft hole, a rotating port and a limiting port are formed in the rotating shaft hole, and the rotating port is communicated with the limiting port.
Furthermore, the movable end of the connecting belt on one side of the two sides of the bottom plate is provided with a lock catch, and the movable end of the connecting belt on the other side is provided with a plurality of lock holes mutually buckled with the lock catch.
Furthermore, the downside of bottom plate is equipped with the silica gel pad.
The utility model has the advantages that:
1. by arranging the fixing plate and the cover plate, when the blood taking needle is fixed, the venous blood taking needle is placed in the accommodating groove in the fixing plate, and then the cover plate is turned over to cover the blood taking needle so as to limit the blood taking needle in the accommodating groove, so that the needle head is prevented from sliding off due to random movement of the blood taking needle;
2. through setting up adjustment mechanism, rotate adjust knob and adjust the relative position of holding tank and blood taking needle on the fixed plate for the blood taking needle can be located the holding tank top when fixed, so that fix the blood sampling person in the holding tank.
Drawings
Fig. 1 is a schematic structural view of a venous blood collection needle fixing device of the present invention.
Fig. 2 is a schematic view of a fixing mechanism of the fixing device shown in fig. 1.
Fig. 3 is a schematic view of the structure of the chute of the fixing device shown in fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the fixing device for venous blood taking needle of the present invention comprises a bottom plate 1, an adjusting mechanism 3 and a fixing mechanism 4. Both sides of bottom plate 1 all are equipped with connecting band 2, tie up this fixing device to blood sampling person's arm through connecting band 2 during the use to fix near puncture point with whole fixing device. Fixing mechanism 4 activity sets up on adjustment mechanism 3, adjustment mechanism 4 downside with bottom plate 1 fixed connection, during the use, adjust the relative position of fixing mechanism 4 and blood taking needle so that fixing mechanism 4 is located the blood taking needle below through adjustment mechanism 3, then fix the blood taking needle through fixing mechanism 4 again.
The adjusting mechanism 3 comprises a sliding groove 31, a screw rod 32 and an adjusting knob 33, wherein a through hole 34 is formed in one end of the sliding groove 31, and one end of the screw rod 32 penetrates through the through hole 34 to be fixedly connected with the adjusting knob 33, so that the screw rod 32 is driven to rotate together when the adjusting knob 33 is rotated. The other end of screw rod 32 is established with rotating on the spout 31 inner wall, 4 screws of fixed establishment are established on screw rod 32 to drive 4 back-and-forth movements of fixed establishment when screw rod 32 is rotatory, in order to realize the regulation of relative position between fixed establishment 4 and the blood taking needle.
One end of the cover plate 42 is provided with a rotating shaft 421, the other end of the cover plate 42 is provided with a locking block 422, and the cover plate fixing block 44 is provided with a locking groove 441 matched with the locking block 422. The rotating shaft 421 moves in the cover plate seat 43; when the cover plate 42 is located at the first position of the cover plate seat 43, the cover plate can rotate around the central line of the rotating shaft 421, and when the cover plate 42 is located at the second position of the cover plate seat 43, the cover plate 42 can only move along the transverse direction of the cover plate seat 43. Specifically, the cover plate seat 43 is provided with a rotating shaft hole 430, the rotating shaft 421 is arranged in the rotating shaft hole 430, a rotating port 431 and a limiting port 432 are formed in the rotating shaft hole, and the rotating port 431 is communicated with the limiting port 432. When the cover 42 is located at the rotation opening 431, i.e. the first position, the cover 42 can rotate along the rotation shaft 421 to open or close the cover 42, and when the cover 42 rotates to be located on the same horizontal plane as the position-limiting opening 432, i.e. the second position, the cover 42 can slide in the cover seat 43 toward the position-limiting opening 432, and simultaneously drives the locking block 422 at the other end of the cover 42 to slide into the locking groove 441 to fix the cover 42.
The lower side of the fixing mechanism 4 is provided with a sliding block 45, the sliding block 45 is arranged in the sliding groove 31 in a sliding mode, the sliding block 45 is provided with a screw hole 46, and the screw rod 32 is arranged in the screw hole 46 in a threaded mode. When the adjusting knob 33 is rotated, the screw rod 32 is also rotated, and the slide block 45 is moved back and forth in the slide groove 31 in the direction of the screw rod 32 by the engagement of the screw rod 32 and the screw hole 46, so that the relative position between the fixing mechanism 4 and the lancet can be adjusted.
The movable end of the connecting band 2 of one side among them of bottom plate 1 both sides is equipped with hasp 21, the movable end of the connecting band 2 of opposite side be equipped with a plurality of with the lockhole 22 of hasp 21 mutual lock for adjust the elasticity of connecting band 2, so that this fixing device be applicable to all people and not confine to use on the arm, also can use on the palm as the fixing device of transfusion needle.
The downside of bottom plate 1 is equipped with silica gel pad 5 to increase the friction between 1 downside of bottom plate and the human skin, make fixing device wholly can fix on blood sampling person's arm, in order to increase this fixing device's fixed effect.
The utility model discloses a theory of operation: before use, the connecting belt 2 bypasses the arm of a blood collector, and the lock catch 21 on the connecting belt 2 is buckled into the lock hole 22 on the other connecting belt 2 according to the size of the arm of the blood collector so as to fix the whole fixing device on the arm of the blood collector; when using, medical personnel carry out the blood vessel puncture back to the blood sampler, rotate apron 42 in order to open apron 42, rotate adjust knob 33, remove fixed plate 41 to vein blood taking needle below, then place the blood taking needle in holding tank 47 of fixed plate 41, it makes apron 42 and spacing mouth 432 be located same horizontal plane and makes apron 42 press on the blood taking needle to rotate apron 42 after that, the locking piece 422 of the apron 42 other end is relative with the locked groove 441 on the apron fixed block 44 this moment, then move apron 42 towards spacing mouth 432 direction, make the locking piece 422 also slide gradually into locked groove 441 when apron 42 moves, in order to lock apron 42 and then restrict the activity of blood taking needle, avoid leading to carrying out the secondary puncture to the blood sampler at blood sampling in-process syringe needle landing. The venous blood taking needle is similar to an infusion needle, so the fixing device can also be used as a fixing device of the infusion needle when in use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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 (7)
1. The utility model provides a blood taking needle fixing device for vein, includes bottom plate (1), sets up connecting band (2) of bottom plate (1) both sides and establish fixed establishment (4) on the bottom plate, its characterized in that: fixing mechanism (4) are including fixed plate (41) and apron (42), be equipped with apron seat (43), apron fixed block (44) and holding tank (47) on fixed plate (41), holding tank (47) are used for placing the blood taking needle, apron (42) rotate connect with on apron seat (43), apron (42) with apron fixed block (44) cooperation locking to the blood taking needle that will be located holding tank (47) is fixed on fixed plate (41).
2. A venous blood lancet fixing device according to claim 1, wherein: the fixing mechanism (4) is movably arranged on the adjusting mechanism (3), and the lower side of the adjusting mechanism (3) is fixedly connected with the bottom plate (1); adjustment mechanism (3) include spout (31), screw rod (32) and adjust knob (33), the one end of spout (31) is equipped with through-hole (34), the one end of screw rod (32) pass through-hole (34) with adjust knob (33) fixed connection, the other end of screw rod (32) is rotated and is established on spout (31) inner wall, fixed establishment (4) spiral shell is established on screw rod (32).
3. A venous blood lancet fixing device according to claim 2, wherein: the lower side of the fixing mechanism (4) is provided with a sliding block (45), the sliding block (45) is provided with a screw hole (46), and the screw rod (32) is arranged in the screw hole (46) in a threaded mode.
4. A venous blood lancet fixing device according to claim 1, wherein: one end of the cover plate (42) is provided with a rotating shaft (421), the rotating shaft (421) is arranged on the cover plate seat (43), the cover plate (42) can rotate around the central line of the rotating shaft (421) when being located at the first position of the cover plate seat (43), the cover plate (42) can only transversely move along the cover plate seat (43) when being located at the second position of the cover plate seat (43), the other end of the cover plate (42) is provided with a locking block (422), and a locking groove (441) matched with the locking block (422) is formed in the cover plate fixing block (44).
5. A venous blood lancet fixing device according to claim 4, wherein: the cover plate seat (43) is provided with a rotating shaft hole (430), a rotating shaft (421) is arranged in the rotating shaft hole (430), a rotating port (431) and a limiting port (432) are formed in the rotating shaft hole (430), and the rotating port (431) is communicated with the limiting port (432).
6. A venous blood lancet fixing device according to claim 1, wherein: the movable end of the connecting belt (2) on one side of the two sides of the bottom plate (1) is provided with a lock catch (21), and the movable end of the connecting belt (2) on the other side is provided with a plurality of lock holes (22) which are mutually buckled with the lock catch (21).
7. A venous blood lancet fixing device according to claim 1, wherein: the lower side of the bottom plate (1) is provided with a silica gel pad (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020973561.0U CN212996443U (en) | 2020-06-01 | 2020-06-01 | Fixing device for venous blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020973561.0U CN212996443U (en) | 2020-06-01 | 2020-06-01 | Fixing device for venous blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212996443U true CN212996443U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020973561.0U Active CN212996443U (en) | 2020-06-01 | 2020-06-01 | Fixing device for venous blood taking needle |
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| Country | Link |
|---|---|
| CN (1) | CN212996443U (en) |
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2020
- 2020-06-01 CN CN202020973561.0U patent/CN212996443U/en active Active
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