CN215078630U - Blood sampling needle holder - Google Patents
Blood sampling needle holder Download PDFInfo
- Publication number
- CN215078630U CN215078630U CN202120754337.7U CN202120754337U CN215078630U CN 215078630 U CN215078630 U CN 215078630U CN 202120754337 U CN202120754337 U CN 202120754337U CN 215078630 U CN215078630 U CN 215078630U
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- China
- Prior art keywords
- connecting axle
- sleeve
- blood sampling
- needle holder
- needle
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- 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
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Abstract
The utility model discloses a blood sampling needle holder, but including threaded connection the sleeve of rotary motion on the connecting axle, be equipped with the fixed block that is used for connecting the two-way syringe needle in the connecting axle, make the two-way syringe needle pass through the fixed block and fix the inside at the connecting axle, the spout has been seted up to the one end of connecting axle, the inside sliding connection of spout has the slider that is used for connecting the needle cylinder of holding. This blood sampling needle holder, through the connection between sleeve and the connecting axle, the sleeve can carry out rotary motion on the surface of connecting axle, when needs blood sampling, sleeve rotary motion makes the one end of two-way syringe needle expose the blood sampling department to the patient and puncture the blood sampling, after the blood sampling, can make the sleeve remove and make two-way syringe needle withdrawal prevent to stab the staff, moreover, the steam generator is simple in operation, combine the connection between spout and the slider, can make and hold cylinder and connecting axle high-speed joint or dismantle, make things convenient for the staff to dismantle the connecting axle and handle the syringe needle after the blood sampling finishes.
Description
Technical Field
The utility model relates to the technical field of needle holders, in particular to a blood sampling needle holder.
Background
We know that blood taking needles and blood sampling tubes are indispensable tools in the blood collection process, what used commonly in the past is that traditional syringe draws blood, shift to the blood sampling tubes again and carry out operations such as censorship, in recent years, the one-step direct blood sampling of vacuum tube becomes more advanced blood sampling means, the one-step direct blood sampling of vacuum tube adopts double-end blood taking needle, needle holder, the blood sampling utensil of three external members of vacuum blood sampling tubes, current needle holder mainly includes blood taking needle connecting seat and blood sampling tubes outer tube, the blood taking needle connecting seat is located the outer tube front end, after the double-end blood taking needle installation is fixed, one end is located the front end of needle holder, be used for the puncture, the other end is located the outer tube of needle holder, be used for with the cooperation blood sampling of vacuum blood sampling tube connection.
Chinese patent publication No. CN208988901U discloses a blood taking needle holder, which belongs to the technical field of medical appliances and comprises a blood taking tube sleeve and a blood taking needle fixing sleeve, wherein the blood taking needle fixing sleeve is movably arranged at the top end of the blood taking tube sleeve, a cylindrical bulge is arranged at the upper end of the blood taking tube sleeve, a counter bore is arranged inside the cylindrical bulge, and the counter bore is communicated with the inside of the blood taking tube sleeve; the fixed cover of blood taking needle is independent cylinder structure, and the fixed cover of blood taking needle includes shell and rather than the inside cutting ferrule that links to each other, the cutting ferrule outside is the back taper structure, the cutting ferrule comprises a plurality of curved snap rings, the circular opening evenly distributed of the fixed cover upper end of blood taking needle is followed to the upper end outer fringe of snap ring, is provided with the space between the adjacent snap ring, be hollow structure between the surface of cutting ferrule and the shell inner wall, the utility model discloses simple structure, blood taking needle loading and unloading convenient to use, the blood taking needle is difficult not hard up in the use, can not produce offset, and simple operation, long service life.
However, the device has a simple structure, does not protect the needle for blood collection, has certain potential safety hazards because the needle easily stabs workers in the operation process, and is troublesome to install and use and not simple and convenient enough.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a blood sampling needle holder, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a blood sampling needle holder, but includes threaded connection on the connecting axle rotary motion's sleeve, be equipped with the fixed block that is used for connecting two-way syringe needle in the connecting axle, make two-way syringe needle pass through the fixed block and fix in the inside of connecting axle, the spout has been seted up to the one end of connecting axle, the inside sliding connection of spout has and is used for connecting the slider of holding the cylinder, makes the slider slide in the spout to holding and connect or dismantle between cylinder and the connecting axle, but hold and be equipped with horizontal slip's stopper in the cylinder, but hold fixedly connected with and be used for the reset spring who resets the stopper in the cylinder, but the inside grafting of holding the cylinder has horizontal migration's vacuum blood collection tube.
Optionally, the internal thread of the sleeve is connected with a limit bolt in a penetrating manner, and the limit bolt thread penetrates through one end of the sleeve and is attached to the surface of the connecting shaft.
Optionally, a sealing gasket is arranged at one end inside the vacuum blood collection tube, and viscose for connection is arranged on the surface of the sealing gasket.
Optionally, one end of the sleeve is provided with a sponge cushion for improving comfort, and the back of the sponge cushion is provided with adhesive for connection.
Optionally, scale marks have been seted up on the surface of vacuum test tube, the stopper has been cup jointed to the one end of vacuum test tube.
Optionally, an observation window is formed in the surface of the needle cylinder, and one end of the return spring is fixedly connected with a slidable limiting block.
(III) advantageous effects
The utility model provides a blood sampling needle holder, possess following beneficial effect:
1. this blood sampling needle holder, through the connection between sleeve and the connecting axle, the sleeve can carry out rotary motion on the surface of connecting axle, when needs blood sampling, sleeve rotary motion makes the one end of two-way syringe needle expose the blood sampling department to the patient and puncture the blood sampling, after the blood sampling, can make the sleeve remove and make two-way syringe needle withdrawal prevent to stab the staff, moreover, the steam generator is simple in operation, combine the connection between spout and the slider, can make and hold cylinder and connecting axle high-speed joint or dismantle, make things convenient for the staff to dismantle the connecting axle and handle the syringe needle after the blood sampling finishes.
2. This blood sampling needle holder through the connection between stopper and the reset spring, can play supplementary spacing effect to the vacuum test tube in holding the syringe section of thick bamboo, when taking a blood to the patient, presses the vacuum test tube, makes the one end of two-way syringe needle pierce and take a blood sample in the vacuum test tube, loosens the vacuum test tube after the blood sampling finishes, through reset spring's effect, can make the vacuum test tube pop out, makes things convenient for the staff to take out the vacuum test tube, makes things convenient for staff's use more.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the explosion structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a connecting shaft; 2. a sleeve; 3. a fastening block; 4. a bidirectional needle head; 5. a chute; 6. a slider; 7. holding the needle cylinder; 8. a limiting block; 9. a return spring; 10. a vacuum blood collection tube; 11. a limit bolt; 12. a gasket; 13. a sponge cushion; 14. scale lines; 15. and (4) an observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: a blood sampling needle holder comprises a connecting shaft 1, wherein a sleeve 2 is connected to the surface of the connecting shaft 1 in a threaded manner, a limiting bolt 11 is connected to the inner thread of the sleeve 2 in a penetrating manner, the thread of the limiting bolt 11 penetrates out of one end of the sleeve 2 and is attached to the surface of the connecting shaft 1, a spongy cushion 13 for improving comfort is arranged at one end of the sleeve 2, viscose for connection is arranged on the back of the spongy cushion 13, the sleeve 2 can rotate and move on the surface of the connecting shaft 1 through connection between the connecting shaft 1 and the sleeve 2, the connection between the sleeve 2 and the connecting shaft 1 can be limited through the action of the limiting bolt 11, and the comfort of a patient can be improved through the action of the spongy cushion 13;
the fastening block 3 is fixedly connected inside the connecting shaft 1, the bidirectional needle 4 is fixedly connected inside the fastening block 3, the sliding groove 5 is formed in one end of the connecting shaft 1, the sliding block 6 is movably connected inside the sliding groove 5, the bidirectional needle 4 can be fixed under the action of the fastening block 3, the sliding block 6 can slide inside the sliding groove 5 through the connection between the sliding groove 5 and the sliding block 6, the connecting shaft 1 and the needle holding cylinder 7 can be connected and limited, and the connecting shaft 1 and the needle holding cylinder 7 can be connected or detached quickly by workers;
a needle holding cylinder 7 is fixedly connected with one end of a sliding block 6, an observation window 15 is formed in the surface of the needle holding cylinder 7, a slidable limiting block 8 is fixedly connected with one end of a reset spring 9, the limiting block 8 is movably connected with the inside of the needle holding cylinder 7, the reset spring 9 is fixedly connected with one end of the limiting block 8, a vacuum blood collection tube 10 is movably connected with the inside of the needle holding cylinder 7, the condition of the inside of the needle holding cylinder 7 can be conveniently checked by a worker under the action of the observation window 15, the limiting block 8 can move in the needle holding cylinder 7 through the connection between the limiting block 8 and the needle holding cylinder 7, the vacuum blood collection tube 10 can be reset and popped out under the action of the reset spring 9, and the blood collection and the collection of the vacuum blood collection tube 10 are convenient for the worker;
inside one end of vacuum test tube 10 is provided with sealed pad 12, the surface of sealed pad 12 is equipped with the viscose that is used for connecting, and scale mark 14 has been seted up on the surface of vacuum test tube 10, stopper 8 has been cup jointed to the one end of vacuum test tube 10, through the effect of sealed pad 12, can prevent that the external air accident from getting into in vacuum test tube 10, influences the negative pressure of vacuum test tube 10, through the effect of scale mark 14, makes things convenient for the staff in time to look over the volume of taking a blood sample.
The utility model discloses in, the device's working procedure as follows:
1. the bidirectional needle 4 can be fixed through the fastening block 3, the sliding block 6 can slide in the sliding groove 5 through the connection between the sliding groove 5 and the sliding block 6, and the connecting shaft 1 and the needle holding cylinder 7 can be connected and limited, so that a worker can conveniently and quickly connect or disassemble the connecting shaft 1 and the needle holding cylinder 7;
2. through the connection between the connecting shaft 1 and the sleeve 2, the sleeve 2 can rotate and move on the surface of the connecting shaft 1, the connection between the sleeve 2 and the connecting shaft 1 can be limited through the action of the limiting bolt 11, and the comfort level of a patient can be improved through the action of the spongy cushion 13;
3. through the effect of the sealing gasket 12, external air can be prevented from accidentally entering the vacuum blood collection tube 10 to influence the negative pressure of the vacuum blood collection tube 10, and through the effect of the scale marks 14, a worker can conveniently check the blood collection amount in time;
4. through the effect of observation window 15, make things convenient for the staff to look over and hold the inside situation of cylinder 7, through stopper 8 and hold the connection between the cylinder 7, stopper 8 can move about in the inside of holding cylinder 7, through reset spring 9's effect, can make vacuum test tube 10 reset and pop out, makes things convenient for the staff to take a blood sample and collects vacuum test tube 10.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a blood sampling needle holder, includes but threaded connection is on connecting axle (1) rotatable moving's sleeve (2), its characterized in that: be equipped with fixed block (3) that are used for connecting two-way syringe needle (4) in connecting axle (1), make two-way syringe needle (4) fix in the inside of connecting axle (1) through fixed block (3), spout (5) have been seted up to the one end of connecting axle (1), the inside sliding connection of spout (5) has slider (6) that are used for connecting to hold cylinder (7), makes slider (6) slide in spout (5) and connect or dismantle between holding cylinder (7) and connecting axle (1), but be equipped with horizontal slip stopper (8) in holding cylinder (7), but hold cylinder (7) internal fixation and be connected with reset spring (9) that are used for restoring to the stopper (8), but the inside grafting of holding cylinder (7) has horizontal migration's vacuum test tube (10).
2. The blood collection needle holder according to claim 1, wherein: the inner thread of the sleeve (2) is connected with a limiting bolt (11) in a penetrating mode, and the end, penetrating out of the sleeve (2), of the limiting bolt (11) is tightly attached to the surface of the connecting shaft (1) in a threaded mode.
3. The blood collection needle holder according to claim 1, wherein: the inside one end of vacuum test tube (10) is provided with sealed pad (12), the surface that sealed pad (12) is equipped with the viscose that is used for the connection.
4. The blood collection needle holder according to claim 1, wherein: one end of the sleeve (2) is provided with a sponge cushion (13) for improving comfort, and the back of the sponge cushion (13) is provided with adhesive for connection.
5. The blood collection needle holder according to claim 1, wherein: scale marks (14) have been seted up on the surface of vacuum test tube (10), stopper (8) have been cup jointed to the one end of vacuum test tube (10).
6. The blood collection needle holder according to claim 1, wherein: an observation window (15) is arranged on the surface of the needle cylinder (7), and one end of the reset spring (9) is fixedly connected with a slidable limiting block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754337.7U CN215078630U (en) | 2021-04-14 | 2021-04-14 | Blood sampling needle holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754337.7U CN215078630U (en) | 2021-04-14 | 2021-04-14 | Blood sampling needle holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215078630U true CN215078630U (en) | 2021-12-10 |
Family
ID=79265279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120754337.7U Expired - Fee Related CN215078630U (en) | 2021-04-14 | 2021-04-14 | Blood sampling needle holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215078630U (en) |
-
2021
- 2021-04-14 CN CN202120754337.7U patent/CN215078630U/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: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |