CN221154117U - Anti-needling blood taking needle - Google Patents
Anti-needling blood taking needle Download PDFInfo
- Publication number
- CN221154117U CN221154117U CN202322336968.9U CN202322336968U CN221154117U CN 221154117 U CN221154117 U CN 221154117U CN 202322336968 U CN202322336968 U CN 202322336968U CN 221154117 U CN221154117 U CN 221154117U
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- Prior art keywords
- needle
- plectrum
- hole
- spacing
- groove
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- 239000008280 blood Substances 0.000 title claims abstract description 42
- 210000004369 blood Anatomy 0.000 title claims abstract description 42
- 238000005070 sampling Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 4
- 238000010241 blood sampling Methods 0.000 claims description 3
- 238000001467 acupuncture Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 208000014674 injury Diseases 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 210000004204 blood vessel Anatomy 0.000 description 6
- 235000009161 Espostoa lanata Nutrition 0.000 description 4
- 240000001624 Espostoa lanata Species 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application discloses an anti-needling blood taking needle, which relates to the field of blood taking needles, and comprises a needle tube and a needle head, wherein a poking plate is arranged on the inner wall of the needle tube and slides on the inner wall of the needle tube, the sliding direction of the poking plate is the axial direction of the needle tube, the poking plate is connected with the needle head, the poking plate is provided with a communication hole, the communication hole is communicated with the needle head, the poking plate is provided with a reset spring, and the elastic direction of the reset spring is consistent with the sliding direction of the poking plate; according to the technical scheme, in actual use, the problem that secondary damage is caused to a patient due to incorrect force application direction when the needle head part is pulled out exists, so that the reset spring and the poking plate are arranged, and the poking plate is pressed when the needle is inserted so that the reset spring is contracted, and the poking plate and the needle head part move together; when the needle head is required to be pulled out, the poking piece is loosened, and the position of the poking piece is restored by the elasticity of the reset spring, so that the condition that secondary injury is caused to a patient when the needle head is pulled out is reduced.
Description
Technical Field
The present application relates to the field of lancets, and more particularly, to an anti-lancing lancet.
Background
A lancet is an instrument used to collect a blood sample during a medical test.
The blood taking needle mainly is in the process of inserting a needle, the needle head needs to be pricked into a blood vessel, and meanwhile, the blood taking needle is pressed and limited, so that blood drawing is facilitated. In the actual use process, the blood taking needle needs to be pulled out from the blood taking needle after blood drawing is completed, and the force direction is not easy to cause secondary injury to a patient in the pulling process, so that improvement is needed.
Disclosure of utility model
In order to solve the problem that secondary damage is easily caused to a patient in the process of drawing out the blood taking needle, the application provides the anti-needling blood taking needle.
The application provides an anti-needling blood taking needle, which adopts the following technical scheme:
the utility model provides an prevent acupuncture blood taking needle, includes needle tubing and syringe needle portion, the needle tubing inner wall is equipped with the plectrum, the plectrum slides in the needle tubing inner wall, the slip direction of plectrum is the axis direction of needle tubing, the needle portion is connected to the plectrum, the plectrum is equipped with the intercommunicating pore, the intercommunicating pore communicates the needle portion, the plectrum is equipped with reset spring, reset spring's elasticity direction is unanimous with the slip direction of plectrum.
According to the technical scheme, in actual use, the problem that secondary damage is caused to a patient due to incorrect force application direction when the needle head part is pulled out exists, so that the reset spring and the poking plate are arranged, and the poking plate is pressed when the needle is inserted so that the reset spring is contracted, and the poking plate and the needle head part move together; when the needle head is required to be pulled out, the poking piece is loosened, and the position of the poking piece is restored by the elasticity of the reset spring, so that the condition that secondary injury is caused to a patient when the needle head is pulled out is reduced.
Further, the plectrum is equipped with the locating part, the locating part restriction plectrum removes.
According to the technical scheme, in actual use, the pulling piece is required to be kept pressed in the needle inserting process so as to reduce the situation that the pulling piece returns to the position due to the elastic force of the return spring, so that the needle inserting needle is inconvenient; therefore, the limiting piece is arranged, and the limiting piece is used for limiting the movement of the broken piece, so that the operation of needling is more convenient.
Further, the needle tubing lateral wall is equipped with spacing hole, the plectrum lateral wall is equipped with the spacing groove, the locating part includes spacing spring and stopper, and spacing spring is located the spacing groove tank bottom, and spacing spring is kept away from the one end of spacing groove tank bottom and is connected the stopper, spacing spring's elasticity restriction stopper is moved towards the direction that is close to the spacing groove tank bottom, the stopper is used for wearing out spacing hole.
Through above-mentioned technical scheme, set up stopper and spacing hole, when carrying out the contact pin operation, stopper embedding spacing hole is in order to restrict the further removal of plectrum, when needing to extract the tip, makes the stopper remove towards the direction that is close to the spacing groove tank bottom through pressing the stopper, and reset spring's elasticity makes the plectrum remove to the normal position for it is more convenient to take out of tip.
Further, the needle tube is provided with a sliding groove, the extending direction of the sliding groove is parallel to the axial direction of the needle tube, the shifting piece is provided with a sliding plate, the sliding plate is embedded into the sliding groove, the sliding plate slides in the sliding groove, and the sliding direction of the sliding plate is the extending direction of the sliding groove.
Through above-mentioned technical scheme, if the plectrum takes place to rotate at the removal in-process and easily causes the condition of spacing groove and spacing hole dislocation, influences the spacing of follow-up plectrum, consequently sets up sliding groove and sliding plate, through the embedding of sliding plate sliding groove restriction plectrum take place pivoted condition at the removal in-process.
Further, including keeping somewhere the needle, keep somewhere the needle and be equipped with and keep somewhere the hole, keep somewhere the hole and link up and keep somewhere the needle, keep somewhere the axial direction of hole for keeping somewhere the needle portion and slide in keeping somewhere the hole, the slip direction of needle portion is the direction of keeping somewhere the hole.
Through the technical scheme, in actual use, the condition that a patient needs to draw blood or infuse for many times exists, so that the indwelling needle is arranged, the indwelling needle is pricked into a blood vessel in the use process but is not taken out, and the needle head part slides in the indwelling needle to draw blood or infuse when in use, so that the damage to the patient is reduced.
Further, the outer wall of the detaining needle is provided with a main flow pipe, the main flow pipe is positioned at one side of the outer wall of the detaining needle, which is close to the needle tube, and the main flow pipe is communicated with the detaining hole.
Through above-mentioned technical scheme, set up the mainstream pipe, and the hole is kept somewhere to mainstream pipe intercommunication, is convenient for draw blood sample through the mainstream pipe for keep somewhere can carry out multiple operation after the needle pricks, the holistic use of being convenient for.
Further, the main flow pipe is communicated with a branch hose I and a branch hose II, the branch hose I is connected with the sampling part, and the branch hose II is connected with the blood sampling part.
Through above-mentioned technical scheme, set up tributary hose one and tributary hose two, and tributary hose one connects sampling portion, tributary hose two connects the blood portion of getting for in the use blood can pack into different containers respectively, be convenient for blood extraction preserve.
Further, the branch hose I is provided with a restriction clip which restricts blood from passing through the branch hose I.
Through the technical scheme, in actual use, the situation that only the branch hose II is needed exists, so that the flow limiting clamp is arranged and used for enabling blood to enter the branch hose I, and the situation of blood waste is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) By arranging the reset spring and the poking piece, the poking piece is pressed during needle insertion, so that the reset spring is contracted, and the poking piece and the needle head part move together; when the needle head is required to be pulled out, the poking piece is loosened, and the position of the poking piece is restored by the elasticity of the reset spring, so that the condition that secondary injury is caused to a patient when the needle head is pulled out is reduced;
(2) The sliding groove and the sliding plate are arranged, and the sliding plate is embedded into the sliding groove to limit the rotation of the shifting piece in the moving process;
(3) Through setting up the needle of keeping somewhere, keep somewhere the needle and prick into the blood vessel and do not take out in the use, the needle head portion slides in keeping somewhere the needle in order to carry out blood drawing or infusion when using, has reduced the injury to the patient.
Drawings
Fig. 1 is an overall schematic of an embodiment.
FIG. 2 is a schematic cross-sectional view of an embodiment with a hard plastic panel.
Fig. 3 is an enlarged schematic view of a in fig. 2.
Reference numerals: 1. a retention needle; 2. a needle tube; 3. a needle portion; 4. a retention hole; 5. a main flow tube; 6. a branch hose I; 7. a branch hose II; 8. a sampling unit; 9. a blood sampling part; 10. a flow-limiting clip; 11. a moving groove; 12. a pulling piece; 13. a communication hole; 14. a return spring; 15. a limiting piece; 16. a limiting block; 17. a limit spring; 18. a limiting hole; 19. a limit groove; 20. a slip groove; 21. a slip plate; 22. a hard plastic plate; 23. cotton ball.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses an anti-needling blood taking needle.
Examples:
Referring to fig. 1 and 2, an anti-needling blood taking needle comprises a detaining needle 1, a needle tube 2 and a needle head 3, wherein the detaining needle 1 is provided with a detaining hole 4, the detaining hole 4 penetrates through the detaining needle 1, and the penetrating direction of the detaining hole 4 is positioned in the axial direction of the detaining needle 1. The needle head 3 slides in the retaining hole 4, and the sliding direction of the needle head 3 is the axial direction of the retaining needle 1. In actual use, the indwelling needle 1 can be kept in a state of being pricked into a blood vessel after being pricked into the blood vessel, and the needle head 3 slides in the indwelling hole 4 to draw blood or infuse, so that secondary injury to a patient is reduced.
The outer wall of the retaining needle 1 is provided with a main flow pipe 5, the main flow pipe 5 is positioned at one side of the outer wall of the retaining needle 1, which is close to the needle tube 2, and the main flow pipe 5 is communicated with the retaining hole 4. The main flow pipe 5 is communicated with a branch hose I6 and a branch hose II 7, and the branch hose I6 and the branch hose II 7 are both positioned at one end of the main flow pipe 5 away from the retaining needle 1. The first branch hose 6 is used for connecting the sampling part 8, and the second branch hose 7 is used for connecting the blood taking part 9. In actual use, the sampling portion 8 is a blood collection tube for arterial blood collection, the blood collection tube is provided with a screw cap for closing the blood collection tube, and the blood collection portion 9 is a blood collection needle.
The branch hose I6 and the branch hose II 7 are respectively provided with a flow limiting clamp 10, the flow limiting clamp 10 of the branch hose I6 clamps the branch hose I6 to limit the movement of blood towards the direction close to the sampling part 8, and the flow limiting clamp 10 of the branch hose II 7 clamps the branch hose II 7 to limit the movement of blood towards the direction close to the blood taking part 9.
Referring to fig. 2 and 3, the needle tube 2 is provided with a moving groove 11, the groove wall of the moving groove 11 is provided with a shifting piece 12, the shifting piece 12 slides in the moving groove 11, and the sliding direction of the shifting piece 12 is the axial direction of the needle tube 2. One end of the needle head part 3 is positioned in the moving groove 11, and the needle head part 3 is connected with the poking piece 12. The plectrum 12 is provided with a communication hole 13, the communication hole 13 is communicated with the needle head 3, and the communication hole 13 is used for communicating with an external blood drawing or liquid injection structure. The plectrum 12 is connected with reset spring 14, and reset spring 14 one end is connected plectrum 12, and the other end is connected and is removed groove 11 tank bottom, and reset spring 14's elasticity direction is unanimous with plectrum 12's slip direction, and reset spring 14 is used for restricting plectrum 12 and removes towards the direction that is close to removal groove 11 tank bottom.
The plectrum 12 is provided with a limiting piece 15, and the limiting piece 15 is used for limiting the movement of the plectrum 12. The side wall of the needle tube 2 is provided with a limiting hole 18, the side wall of the poking piece 12 is provided with a limiting groove 19, the limiting piece 15 comprises a limiting spring 17 and a limiting block 16, the limiting spring 17 is located at the bottom of the limiting groove 19, one end, away from the bottom of the limiting groove 19, of the limiting spring 17 is connected with the limiting block 16, the limiting block 16 is limited to move towards the direction close to the bottom of the limiting groove 19 by the aid of elastic force of the limiting spring 17, and the limiting block 16 is used for penetrating out of the limiting hole 18. When the pulling piece 12 moves towards the bottom of the moving groove 11 and the needle head 3 moves together, the elastic force of the limiting spring 17 makes the limiting block 16 move towards the bottom of the limiting groove 19 and pass through the limiting hole 18. Through this kind of mode restriction plectrum 12 further remove, when needs remove needle head 3 make it deviate from keep somewhere needle 1, press stopper 16 and make stopper 16 keep away from the one end of spacing groove 19 tank bottom and contradict the groove wall of sliding groove 20, the elasticity of reset spring 14 makes plectrum 12 remove towards the direction of keeping away from the removal groove 11 tank bottom this moment, has reduced the condition that causes the secondary injury to the patient when needle head 3 pulls out. In other embodiments, the limiting member 15 may be a limiting pin, which passes through the limiting hole 18 and is embedded in the limiting groove 19 to limit the movement of the paddle 12.
The needle tube 2 is provided with a sliding groove 20, the extending direction of the sliding groove 20 is parallel to the axial direction of the needle tube 2, the shifting block 12 is provided with a sliding plate 21, the sliding plate 21 is embedded into the sliding groove 20, the sliding plate 21 slides in the sliding groove 20, the shifting block 12 slides in the sliding groove 20 through the sliding plate 21, and the sliding direction of the sliding plate 21 is the extending direction of the sliding groove 20. The sliding plate 21 is embedded into the sliding groove 20 to limit the rotation of the shifting piece 12 in the moving process, so that the subsequent reset spring 14 is convenient for resetting the position of the shifting piece 12.
In actual use, the hard plastic plate 22 is fixed on the skin of the patient through the adhesive tape, the cotton ball 23 is arranged between the hard plastic plate 22 and the skin of the patient, and the indwelling needle 1 penetrates through the hard plastic plate 22 and the cotton ball 23 to be pricked into a blood vessel. After the indwelling needle 1 is withdrawn, the cotton ball 23 is used for hemostasis.
The working principle of the embodiment is as follows:
In actual use, the pulling piece 12 is moved towards the direction close to the bottom of the moving groove 11, so that the pulling piece 12 drives the needle part 3 to move together until the elastic force of the limiting spring 17 makes the limiting block 16 move towards the direction far away from the bottom of the limiting groove 19 and pass through the limiting hole 18. After blood drawing or transfusion is finished, the limiting block 16 is pressed to enable the limiting block 16 to move towards the direction close to the bottom of the limiting groove 19, and then the spring force of the reset spring 14 enables the poking plate 12 to move towards the direction far away from the bottom of the moving groove 11, so that the condition that secondary damage is caused to a patient when the needle head 3 is pulled out is reduced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a prevent acupuncture blood taking needle, includes needle tubing (2) and syringe needle portion (3), its characterized in that: the needle tube (2) inner wall is equipped with plectrum (12), plectrum (12) slide in needle tube (2) inner wall, the slip direction of plectrum (12) is the axis direction of needle tube (2), needle portion (3) are connected to plectrum (12), plectrum (12) are equipped with intercommunicating pore (13), intercommunicating pore (13) intercommunication needle portion (3), plectrum (12) are equipped with reset spring (14), the elasticity direction of reset spring (14) is unanimous with the slip direction of plectrum (12).
2. The anti-lancing lancet according to claim 1, wherein: the plectrum (12) is provided with a limiting piece (15), and the limiting piece (15) limits the movement of the plectrum (12).
3. An anti-lancing lancet according to claim 2, wherein: the needle tube (2) lateral wall is equipped with spacing hole (18), plectrum (12) lateral wall is equipped with spacing groove (19), locating part (15) are including spacing spring (17) and stopper (16), and spacing spring (17) are located spacing groove (19) tank bottom, and spacing spring (17) are kept away from one end of spacing groove (19) tank bottom and are connected stopper (16), the elasticity restriction stopper (16) of spacing spring (17) are moved towards the direction that is close to spacing groove (19) tank bottom, stopper (16) are used for wearing out spacing hole (18).
4. The anti-lancing lancet according to claim 1, wherein: the needle tube (2) is provided with a sliding groove (20), the extending direction of the sliding groove (20) is parallel to the axial direction of the needle tube (2), the poking piece (12) is provided with a sliding plate (21), the sliding plate (21) is embedded into the sliding groove (20), the sliding plate (21) slides in the sliding groove (20), and the sliding direction of the sliding plate (21) is the extending direction of the sliding groove (20).
5. The anti-lancing lancet according to claim 1, wherein: including keeping somewhere needle (1), keep somewhere needle (1) and be equipped with and keep somewhere hole (4), keep somewhere hole (4) and link up and keep somewhere needle (1), keep somewhere the axis direction of hole (4) for keeping somewhere needle (1), needle portion (3) slide in keeping somewhere hole (4), the slip direction of needle portion (3) is the direction of keeping somewhere the hole (4) and link up.
6. The anti-lancing lancet of claim 5, wherein: the outer wall of the retaining needle (1) is provided with a main flow pipe (5), the main flow pipe (5) is positioned at one side of the outer wall of the retaining needle (1) close to the needle tube (2), and the main flow pipe (5) is communicated with the retaining hole (4).
7. The anti-lancing lancet of claim 6, wherein: the main flow pipe (5) is communicated with a branch hose I (6) and a branch hose II (7), the branch hose I (6) is connected with the sampling part (8), and the branch hose II (7) is connected with the blood sampling part (9).
8. The anti-lancing lancet of claim 7, wherein: the branch hose I (6) is provided with a restriction clip (10), and the restriction clip (10) restricts blood from passing through the branch hose I (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336968.9U CN221154117U (en) | 2023-08-29 | 2023-08-29 | Anti-needling blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336968.9U CN221154117U (en) | 2023-08-29 | 2023-08-29 | Anti-needling blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221154117U true CN221154117U (en) | 2024-06-18 |
Family
ID=91443589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322336968.9U Active CN221154117U (en) | 2023-08-29 | 2023-08-29 | Anti-needling blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221154117U (en) |
-
2023
- 2023-08-29 CN CN202322336968.9U patent/CN221154117U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |