CN218279643U

CN218279643U - Venous blood taking needle

Info

Publication number: CN218279643U
Application number: CN202221992036.9U
Authority: CN
Inventors: 王棕岩; 闫时
Original assignee: Shijiazhuang Kangweishi Medical Instrument Co ltd
Current assignee: Hebei Kangweishi Medical Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-01-13
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a blood taking needle body technical field, specifically be venous blood taking needle, be convenient for protect the blood taking needle body, avoid the blood taking needle body to cause the blood taking needle to break away from receiving external collision, avoid the blood taking needle body to stab patient or medical worker, cause the injury to the human body, it is higher to the protectiveness of blood taking needle body, avoid the blood taking needle to receive the pollution, the security is higher, the practicality is better, including the needle handle, the left end intercommunication of needle handle has transmission pipe, the right-hand member fixed mounting of needle handle has connecting piece one, the right-hand member intercommunication of connecting piece one has the needle post, the right-hand member fixed mounting of needle post has connecting piece two, the right-hand member fixed mounting of two has the blood taking needle body, fixed mounting has two installation pieces on the needle post, the mounting groove has been seted up in the installation piece, fixedly connected with pivot in the mounting groove, the outside of pivot is rotated and is connected with the connecting rod, the right-hand member fixedly connected with connecting plate of connecting rod, the bottom fixed mounting of connecting plate has two guard plates.

Description

Venous blood taking needle

Technical Field

The utility model relates to a blood taking needle technical field specifically is a vein blood taking needle.

Background

As is well known in the medical field, medical staff collects and acquires physiological and pathological information of human body by various means for correctly diagnosing diseases, wherein the collection of blood specimens usually includes the following three approaches: subcutaneous blood sampling is mainly used for simple classified counting detection of blood components, and subcutaneous (solid or triangular prism-shaped) blood sampling needle bodies are mostly used; the venous blood sampling can carry out detailed detection on hematology, blood etiology and other related subject indexes, has wide clinical application, and is mostly carried out by using a pen type or split type venous blood sampling needle; artery blood sampling, many detect artery blood gas index in critical emergency, use less, use the special syringe of artery blood sampling more and gather, wherein the ratio of utilization of vein blood sampling is higher, but the vein blood sampling needle of present clinical use is ordinary blood sampling needle mostly, it is using the blood sampling to accomplish the back, owing to lack the safeguard measure to the blood sampling needle, the blood sampling needle is receiving external collision and is causing the blood sampling needle to break away from, prick patient or medical worker easily, cause the injury to the human body, and drop and receive ground pollution subaerial easily, cause secondary damage to patient when leading to blood sampling once more, the security is lower, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a vein blood taking needle to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: venous blood taking needle, venous blood taking needle including the needle handle, its characterized in that: the left end intercommunication of needle handle has transmission pipe, and the right-hand member fixed mounting of needle handle has connecting piece one, the right-hand member intercommunication of connecting piece one has the needle post, the right-hand member fixed mounting of needle post has connecting piece two, the right-hand member fixed mounting of two has the blood taking needle body, fixed mounting has two installation pieces on the needle post, set up the mounting groove in the installation piece, fixedly connected with pivot in the mounting groove, the outside rotation of pivot is connected with the connecting rod, the right-hand member fixedly connected with connecting plate of connecting rod, the bottom fixed mounting of connecting plate has two guard plates, the right-hand member fixedly connected with bar board of connecting plate, two stoppers of the right-hand member fixedly connected with of connecting plate are located the upside set up the mounting hole in the stopper, the fixed mounting has the adapter sleeve in the mounting hole, be provided with positioning screw in the adapter sleeve, be located the downside set up the screw hole on the stopper, positioning screw and screw hole threaded connection, be provided with two spacing subassemblies that are used for fixed connection pole on the needle post.

Preferably, the limiting assembly comprises a U-shaped block, the U-shaped block is fixedly mounted on the needle handle, a rectangular hole and a limiting hole are respectively formed in the U-shaped block, a threaded sleeve is fixedly mounted in the rectangular hole, a positioning rod is connected in the threaded sleeve in a threaded manner, and the other end of the positioning rod is inserted into the limiting hole and is connected with the limiting hole in a threaded manner.

Furthermore, clamping grooves are formed in the left ends of the two strip-shaped plates, and disinfection sponges are fixedly installed in the clamping grooves.

Still further, the guard plate and the one end that the connecting plate kept away from all can be dismantled and be connected with the rubber strip, two liang of oppositions the rubber strip closely laminates.

On the basis of the scheme, the anti-collision strips are fixedly mounted inside the two U-shaped blocks, and the flow-stopping switch clamp is arranged on the transmission pipe.

On the basis of the scheme, a butterfly-shaped handle is fixedly mounted on the positioning screw rod, and a bar-shaped handle is fixedly mounted on the positioning rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a vein blood taking needle possesses following beneficial effect:

this venous blood taking needle, it is after blood sampling work is accomplished, through the connecting block that sets up and the mutually supporting of pivot, make the connecting rod drive the connecting plate and rotate, thereby drive the bar shaped plate through the connecting plate and rotate, when two bar shaped plate are closely laminated, adapter sleeve through setting up, the mutually supporting of positioning screw and two stoppers, it is fixed to restrict two bar shaped plate, thereby through the guard plate that sets up, be convenient for protect the blood taking needle body, avoid the blood taking needle body to cause the blood taking needle to break away from receiving external collision, avoid the blood taking needle body to stab patient or medical worker, cause the injury to the human body, the protectiveness to the blood taking needle body is higher, avoid the blood taking needle to receive the pollution, the security is higher, and the practicality is better.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic top view of the U-shaped block of the present invention;

FIG. 3 is a schematic view of a portion A of the present invention shown in FIG. 1;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a needle handle; 2. a conveying pipe; 3. a first connecting piece; 4. a needle cylinder; 5. a second connecting piece; 6. a lancet body; 7. mounting blocks; 8. a rotating shaft; 9. a connecting rod; 10. a connecting plate; 11. a protection plate; 12. A strip plate; 13. a limiting block; 14. connecting sleeves; 15. positioning a screw rod; 16. a U-shaped block; 17. a threaded sleeve; 18. positioning a rod; 19. sterilizing the sponge; 20. a rubber strip; 21. an anti-collision strip; 22. a flow stop switch clamp; 23. a butterfly handle; 24. a bar-shaped handle.

Detailed Description

Examples

Referring to fig. 1 to 4, the intravenous blood collection needle includes a needle handle 1, and is characterized in that: the left end of the needle handle 1 is communicated with a transmission pipe 2, the right end of the needle handle 1 is fixedly provided with a first connecting piece 3, the right end of the first connecting piece 3 is communicated with a needle post 4, the right end of the needle post 4 is fixedly provided with a second connecting piece 5, the right end of the second connecting piece is fixedly provided with a blood taking needle body 6, by inserting the arranged blood taking needle body 6 into the venous blood vessel of a patient and then mutually matching the arranged needle handle 1, the needle pillar 4 and the transmission tube 2, thereby facilitating the blood sampling work of patients, two installation blocks 7 are fixedly arranged on the needle post 4, installation grooves are arranged in the installation blocks 7, a rotating shaft 8 is fixedly connected in the installation grooves, the outer part of the rotating shaft 8 is rotatably connected with a connecting rod 9, the right end of the connecting rod 9 is fixedly connected with a connecting plate 10, two protection plates 11 are fixedly arranged at the bottom end of the connecting plate 10, a strip-shaped plate 12 is fixedly connected at the right end of the connecting plate 10, two limit blocks 13 are fixedly connected at the right end of the two connecting plates 10, installation holes are arranged in the limit blocks 13 at the upper side, a connecting sleeve 14 is fixedly arranged in the installation holes, a positioning screw 15 is arranged in the connecting sleeve 14, a butterfly-shaped handle 23 convenient for rotating a threaded rod is fixedly arranged on the positioning screw 15, a threaded hole is arranged on the limit block 13 at the lower side, the positioning screw 15 is in threaded connection with the threaded hole, the installation block 7 and the connecting shaft are matched with each other, so that the connecting rod 9 is driven to rotate conveniently, thereby driving the connecting plate 10 and the strip-shaped plate to rotate, further facilitating the limit and fixation of the two limit blocks 13 by matching with the limit blocks 13, the positioning screw 15 and the connecting sleeve 14, thereby restrict the position of strip-shaped plate 12, make guard plate 11 play the guard action to blood taking needle body 6, be provided with two spacing subassemblies that are used for fixed link 9 on the stylophore 4.

It should also be noted that, the limiting assembly includes U-shaped block 16, U-shaped block 16 is fixedly installed on needle handle 1, rectangular hole and limiting hole have been seted up respectively in U-shaped block 16, rectangular hole internal fixation has thread bush 17, thread bush 17 internal thread connection has locating lever 18, the other end of locating lever 18 inserts to limiting hole and rather than threaded connection, fixed mounting has bar handle 24 on locating lever 18, through rotating the bar handle 24 that sets up, make it drive locating lever 18 and rotate in thread bush 17, locating lever 18 inserts to corresponding limiting hole, to the connecting rod 9 of returning to in U-shaped block 16 to restrict, be convenient for medical personnel to carry out the blood sampling work to patient, the clamping groove has all been seted up to the left end of two bar boards 12, fixed mounting has disinfection sponge 19 in the clamping groove, the setting of disinfection sponge 19 is convenient for clamping blood taking needle body 6, the safety in service of blood taking needle has been improved, the one end that guard plate 11 and connecting plate 10 kept away from can all be dismantled and be connected with rubber strip 20, two pairs of relative rubber strip 20 closely laminate, the setting of rubber strip 20 avoids two guard plates 11 direct contact, avoid its collision with protection plate 16 and the internal contact of the anti-collision switch control transmission pipe 2.

To sum up, this venous blood taking needle, when using, at first insert blood taking needle body 6 to patient's venous blood vessel in, through the stylar 4 that sets up, needle handle 1 and transmission pipe 2 are intraductal with blood suction to the blood sampling, the velocity of flow of blood in transmission pipe 2 can be controlled to the switch clamp that ends on its transmission pipe 2, after the blood sampling is accomplished, medical personnel extract blood taking needle body 6, then through the connecting axle, the mutually supporting of installation piece 7, make connecting rod 9 drive connecting plate 10 rotate, thereby make two bar plates 12 closely laminate, the stopper 13 of rethread setting, mutually supporting of adapter sleeve 14 and positioning screw 15, connect two stopper 13, thereby make two guard plates 11 closely laminate, it can to protect blood taking needle body 6.

Claims

1. Venous blood taking needle, including needle handle (1), its characterized in that: the left end of the needle handle (1) is communicated with a transmission pipe (2), the right end of the needle handle (1) is fixedly provided with a first connecting piece (3), the right end of the first connecting piece (3) is communicated with a needle post (4), the right end of the needle post (4) is fixedly provided with a second connecting piece (5), a blood taking needle body (6) is fixedly arranged at the right end of the second needle cylinder, two mounting blocks (7) are fixedly arranged on the needle cylinder (4), an installation groove is arranged in the installation block (7), a rotating shaft (8) is fixedly connected in the installation groove, the outer part of the rotating shaft (8) is rotatably connected with a connecting rod (9), the right end of the connecting rod (9) is fixedly connected with a connecting plate (10), two protection plates (11) are fixedly installed at the bottom end of the connecting plate (10), the right ends of the connecting plate (10) are fixedly connected with strip-shaped plates (12), the right ends of the two connecting plates (10) are fixedly connected with two limiting blocks (13), mounting holes are formed in the limiting blocks (13) positioned on the upper side, connecting sleeves (14) are fixedly installed in the mounting holes, a positioning screw rod (15) is arranged in the connecting sleeve (14), a threaded hole is arranged on the limiting block (13) positioned at the lower side, the positioning screw rod (15) is in threaded connection with the threaded hole, and two limiting assemblies used for fixing the connecting rod (9) are arranged on the needle post (4).

2. A venous blood collection needle according to claim 1, characterised in that: the limiting assembly comprises a U-shaped block (16), the U-shaped block (16) is fixedly installed on the needle handle (1), a rectangular hole and a limiting hole are respectively formed in the U-shaped block (16), a threaded sleeve (17) is fixedly installed in the rectangular hole, a positioning rod (18) is connected with the threaded sleeve (17) in an internal thread mode, and the other end of the positioning rod (18) is inserted into the limiting hole and connected with the limiting hole in a threaded mode.

3. A venous blood collection needle according to claim 2, characterised in that: clamping grooves are formed in the left ends of the two strip-shaped plates (12), and disinfection sponges (19) are fixedly installed in the clamping grooves.

4. A venous blood collection needle according to claim 3, characterised in that: the protection plate (11) and the end far away from the connecting plate (10) can be detachably connected with a rubber strip (20), and the rubber strips (20) are in close fit with each other in a pairwise opposite mode.

5. A venous blood lancet as claimed in claim 4, in which: the two U-shaped blocks (16) are fixedly provided with anti-collision strips (21) inside, and the transmission pipe (2) is provided with a flow stopping switch clamp (22).

6. A venous blood collection needle according to claim 5, characterised in that: a butterfly handle (23) is fixedly mounted on the positioning screw rod (15), and a bar-shaped handle (24) is fixedly mounted on the positioning rod (18).