CN215584158U - Blood taking needle with positioning function - Google Patents
Blood taking needle with positioning function Download PDFInfo
- Publication number
- CN215584158U CN215584158U CN202120414979.2U CN202120414979U CN215584158U CN 215584158 U CN215584158 U CN 215584158U CN 202120414979 U CN202120414979 U CN 202120414979U CN 215584158 U CN215584158 U CN 215584158U
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- Prior art keywords
- adjusting ball
- positioning
- pen type
- pen
- screw
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- 239000008280 blood Substances 0.000 title claims abstract description 50
- 210000004369 blood Anatomy 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 238000010241 blood sampling Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a blood taking needle with a positioning function, which comprises a pen-type needle cylinder, wherein an antibacterial layer is arranged outside the pen-type needle cylinder, a piston is connected inside the pen-type needle cylinder in a sliding manner, a pull rod is arranged on one side of the piston, a liquid collecting port is formed in the other side of the pen-type needle cylinder, a first adjusting ball is fixedly connected on the other side of the pen-type needle cylinder, the first adjusting ball and the second adjusting ball are arranged, so that the second adjusting ball can rotate to a proper position by loosening the first screw after the blood drawing needle tube is pricked into a patient, the first screw is screwed down after the second adjusting ball is kept in a most stable holding state during blood drawing, the positioning frame is sleeved outside the positioning block by the limiting port in the positioning frame after surrounding the arm of the patient for a circle through the arranged positioning strip, and then the blood can be fixed, and then the blood drawing is started, so that the blood taking needle is conveniently and quickly fixed.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a blood taking needle with a positioning function.
Background
The blood taking needle is an instrument for collecting blood samples in the medical examination process and comprises a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a return spring is arranged between the protective sleeve and the needle rod, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod. The blood taking needle need slowly take blood out when taking a blood sample, if medical personnel make the unstable then cause the blood taking needle to deviate from the blood vessel easily taking a blood sample, prick the needle again and not only uncomfortable also bring patient's psychological burden easily for the patient, if with the gauze winding then dismantle with fixed all comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a blood taking needle with a positioning function, so as to solve the problems that the blood taking needle is easy to deviate from a blood vessel if a medical worker holds the blood taking needle unstably during blood drawing, the psychological burden of a patient is easy to be brought due to not only uncomfortable but also the patient is easy to prick again, and the detachment and the fixation are troublesome if gauze is wound for positioning.
In order to achieve the purpose, the utility model provides the following technical scheme: a blood taking needle with a positioning function comprises a pen type needle cylinder, wherein an antibacterial layer is arranged outside the pen type needle cylinder, a piston is connected inside the pen type needle cylinder in a sliding mode, a pull rod is arranged on one side of the piston, a liquid collecting port is formed in the other side of the pen type needle cylinder, a first adjusting ball is fixedly connected to the other side of the pen type needle cylinder, a second adjusting ball is arranged outside the first adjusting ball and is located outside the first adjusting ball in a rotating mode, a first screw penetrates through one side, close to the pen type needle cylinder, of the second adjusting ball, an anti-slip pad is arranged at the bottom of the first screw, a liquid inlet is formed in the second adjusting ball, one end of the first adjusting ball is communicated with the liquid collecting port, an expansion port is formed in the other end of the first adjusting ball, and a blood drawing needle tube is fixedly connected to the other end of the second adjusting ball, the pen type syringe is characterized in that the two sides of the pen type syringe are fixedly connected with a positioning strip and a positioning block respectively, an anti-slip strip is arranged inside the positioning strip, a positioning frame is fixedly arranged at the bottom of the positioning strip, a limiting opening is formed in the positioning frame, and a second screw is connected to the bottom of the positioning frame in a threaded manner.
Preferably, the pull rod penetrates through one side of the pen type needle cylinder and is located in the inner portion of one side of the pen type needle cylinder in a sliding connection mode, the other end of the pull rod is located outside the pen type needle cylinder, and the pull rod penetrates through the center position of one side of the pen type needle cylinder.
Preferably, one side of the pull rod is provided with a pull plate, the other side of the pull plate is provided with an anti-skid layer, and the pull rod is fixedly connected with the center of the pull plate.
Preferably, the liquid collecting port is communicated with the interior of the pen-type needle cylinder, the expansion port is communicated with the liquid inlet, and the liquid inlet is communicated with the interior of the blood drawing needle tube.
Preferably, the first screw penetrates through one side of the second adjusting ball, and the anti-slip pad at the bottom of the first screw is in contact with the outer surface of the liquid collecting port.
Preferably, the anti-slip strip is located at the central position of one side of the surface of the positioning strip, which is close to the positioning block, and the positioning strip and the anti-slip strip are both made of elastic materials.
Preferably, the number of the positioning strips and the number of the positioning blocks are two, and the two positioning strips and the two positioning blocks are respectively distributed at two ends of the pen-type needle cylinder.
Compared with the prior art, the utility model provides a blood taking needle with a positioning function, which has the following beneficial effects:
1. according to the utility model, the first adjusting ball and the second adjusting ball are arranged, after the blood drawing needle tube is inserted into a patient, the second adjusting ball is rotated to a proper position by loosening the first screw so as to keep the second adjusting ball in a most stable holding state during blood drawing, then the first screw is screwed, then the positioning frame is wound around the arm of the patient by a circle through the arranged positioning strip, the limiting opening in the positioning frame is sleeved outside the positioning block for fixing, then blood is drawn, and the blood taking needle is conveniently and quickly fixed.
2. According to the utility model, the pen-type needle cylinder can realize an antibacterial function through the arranged antibacterial layer, the second screw can be rotated after the limiting opening is sleeved on the positioning block through the arranged second screw, so that the positioning frame and the positioning strip can be fixed, the needle cylinder can be prevented from rotating in the blood sampling process through the arranged anti-slip strip, and meanwhile, the first adjusting ball and the second adjusting ball can reduce the moving degree of the blood sampling needle cylinder when the needle cylinder is shaken in the blood sampling process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the main view according to the present invention;
FIG. 3 is an enlarged schematic view of the structure A proposed by the present invention;
FIG. 4 is an enlarged schematic view of the structure B proposed by the present invention;
in the figure: 1. a pen-type syringe; 2. an antimicrobial layer; 3. a piston; 4. a pull rod; 5. a drawing plate; 6. an anti-slip layer; 7. a first adjusting ball; 8. a liquid collection port; 9. a second adjusting ball; 10. a non-slip mat; 11. a first screw; 12. a liquid inlet; 13. a blood drawing needle tube; 14. a positioning bar; 15. anti-slip strips; 16. a positioning frame; 17. a limiting port; 18. a second screw; 19. an expansion port; 20. and (5) positioning the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a blood taking needle with a positioning function comprises a pen type needle cylinder 1, an antibacterial layer 2 is arranged outside the pen type needle cylinder 1, the antibacterial layer 2 can enable the pen type needle cylinder 1 to realize an antibacterial function, a piston 3 is connected inside the pen type needle cylinder 1 in a sliding mode, a pull rod 4 is arranged on one side of the piston 3, a liquid collecting port 8 is formed in the other side of the pen type needle cylinder 1, a first adjusting ball 7 is fixedly connected to the other side of the pen type needle cylinder 1, a second adjusting ball 9 is arranged outside the first adjusting ball 7, the first adjusting ball 7 and the second adjusting ball 9 can enable the second adjusting ball 9 to rotate to a proper position and then be fixed by unscrewing the first screw 11 after a blood drawing needle tube 13 is inserted into a patient, so that the first screw 11 can be screwed for fixing after the most stable holding state of the blood drawing needle tube is kept, the second adjusting ball 9 is located outside the first adjusting ball 7 and is connected in a rotating mode, one side, close to the pen type needle cylinder 1, of the second adjusting ball 9 is provided with the first screw 11 in a penetrating mode, the bottom of the first screw 11 is provided with an anti-skid pad 10, the inside of the second adjusting ball 9 is provided with a liquid inlet 12, one end of the first adjusting ball 7 is communicated with a liquid collecting port 8, the other end of the first adjusting ball 7 is provided with an expansion port 19, the other end of the second adjusting ball 9 is fixedly connected with a blood drawing needle tube 13, two sides of the pen-type needle tube 1 are respectively and fixedly connected with a positioning strip 14 and a positioning block 20, the inside of the positioning strip 14 is provided with an anti-skid strip 15, the bottom of the positioning strip 14 is fixedly provided with a positioning frame 16, the inside of the positioning frame 16 is provided with a limiting port 17, the positioning strip 14 surrounds the arm of a patient for a circle, the limiting port 17 inside the positioning frame 16 is sleeved outside the positioning block 20 for fixing, blood can be immediately extracted, the blood can be conveniently and quickly fixed, the stability during blood drawing is kept, the bottom of the positioning frame 16 is in threaded connection with a second screw 18, after the limiting opening 17 is sleeved on the positioning block 20, the second screw 18 is rotated to fix the positioning frame 16 and the positioning bar 14.
In the present invention, it is preferable that the pull rod 4 penetrates one side of the pen type cylinder 1 and is slidably connected to the inside of one side of the pen type cylinder 1, the other end of the pull rod 4 is located outside the pen type cylinder 1, and the pull rod 4 penetrates the center of one side of the pen type cylinder 1.
In the utility model, preferably, one side of the pull rod 4 is provided with a pull plate 5, the other side of the pull plate 5 is provided with an anti-skid layer 6, and the pull rod 4 is fixedly connected with the center position of the pull plate 5.
In the present invention, it is preferable that the fluid collection port 8 communicates with the interior of the pen type syringe 1, the expansion port 19 communicates with the fluid inlet 12, and the fluid inlet 12 communicates with the interior of the blood drawing needle tube 13.
In the present invention, it is preferable that the first screw 11 penetrates one side of the second adjusting ball 9 and the non-slip pad 10 at the bottom of the first screw 11 is in contact with the outer surface of the liquid collecting port 8.
In the utility model, preferably, the anti-slip strip 15 is positioned at the central position of one side of the surface of the positioning strip 14 close to the positioning block 20, the positioning strip 14 and the anti-slip strip 15 are both made of elastic materials, and the anti-slip strip 15 can prevent the needle cylinder from rotating in the blood sampling process.
In the present invention, it is preferable that the number of the positioning bars 14 and the positioning blocks 20 is two, and the two positioning bars 14 and the two positioning blocks 20 are respectively distributed at both ends of the pen type syringe 1.
The working principle and the using process of the utility model are as follows: when the blood taking needle tube 13 is used, the first screw 11 is screwed down in a straight state, after the blood taking needle tube 13 is pricked into a patient, the first screw 11 is unscrewed to enable the second adjusting ball 9 to rotate to a proper position on the surface of the first adjusting ball 7 so as to keep the most stable holding state during blood taking, the first screw 11 is screwed down to enable the blood taking needle tube 13 on the other side of the second adjusting ball 9 to be fixed, the positioning strip 14 and the positioning frame 16 are immediately wound around the arm of the patient, the limiting port 17 in the positioning frame 16 is sleeved outside the positioning block 20 to fix the pen-type needle tube 1 and the blood taking needle tube 13, blood is immediately pumped, the blood taking needle is conveniently and quickly fixed, if the blood taking needle is required to be more stable, the positioning frame 16 and the positioning strip 14 can be fixed by rotating the second screw 18 after the limiting port 17 is sleeved on the positioning block 20, the anti-skid strip 15 on the surface of the positioning strip 14 can prevent rotation in the blood taking process, meanwhile, the first adjusting ball 7 and the second adjusting ball 9 can slightly rotate in the blood sampling process under the condition that the first screw 11 is far away from the first adjusting ball 7, the moving degree of the blood drawing needle tube 13 is reduced when the needle tube shakes, and the antibacterial layer 2 on the surface of the pen type needle tube 1 can enable the pen type needle tube 1 to realize an antibacterial function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a blood taking needle with locate function, includes pen type cylinder (1), its characterized in that: the anti-skidding type pen type syringe is characterized in that an anti-skidding layer (2) is arranged outside the pen type syringe (1), a piston (3) is connected inside the pen type syringe (1) in a sliding mode, a pull rod (4) is arranged on one side of the piston (3), a liquid collecting port (8) is formed in the other side of the pen type syringe (1), a first adjusting ball (7) is fixedly connected to the other side of the pen type syringe (1), a second adjusting ball (9) is arranged outside the first adjusting ball (7), the second adjusting ball (9) is located outside the first adjusting ball (7) and is connected in a rotating mode, a first screw (11) penetrates through one side, close to the pen type syringe (1), of the second adjusting ball (9), an anti-skidding pad (10) is arranged at the bottom of the first screw (11), a liquid inlet (12) is formed in the second adjusting ball (9), one end of the first adjusting ball (7) is communicated with the liquid collecting port (8), the other end of first adjusting ball (7) is provided with expansion mouth (19), the other end fixedly connected with needle tube (13) of drawing blood of second adjusting ball (9), the both sides of pen type cylinder (1) are fixedly connected with location strip (14) and locating piece (20) respectively, the inside of location strip (14) is provided with antislip strip (15), the fixed locating frame (16) that is provided with in bottom of location strip (14), spacing mouth (17) have been seted up to locating frame (16) inside, the bottom threaded connection of locating frame (16) has second screw (18).
2. The lancet with positioning function according to claim 1, wherein: the novel pen type syringe is characterized in that the pull rod (4) penetrates through one side of the pen type syringe (1) and is located in the inner sliding connection of one side of the pen type syringe (1), the other end of the pull rod (4) is located outside the pen type syringe (1), and the pull rod (4) penetrates through the center position of one side of the pen type syringe (1).
3. The lancet with positioning function according to claim 1, wherein: one side of the pull rod (4) is provided with a drawing plate (5), the other side of the drawing plate (5) is provided with an anti-skid layer (6), and the center positions of the pull rod (4) and the drawing plate (5) are fixedly connected.
4. The lancet with positioning function according to claim 1, wherein: the liquid collecting port (8) is communicated with the interior of the pen-type needle cylinder (1), the expansion port (19) is communicated with the liquid inlet (12), and the liquid inlet (12) is communicated with the interior of the blood drawing needle tube (13).
5. The lancet with positioning function according to claim 1, wherein: the first screw (11) penetrates through one side of the second adjusting ball (9), and the anti-slip pad (10) at the bottom of the first screw (11) is in contact with the outer surface of the liquid collecting port (8).
6. The lancet with positioning function according to claim 1, wherein: the anti-skid strip (15) is located at the center of one side, close to the positioning block (20), of the surface of the positioning strip (14), and the positioning strip (14) and the anti-skid strip (15) are both made of elastic materials.
7. The lancet with positioning function according to claim 1, wherein: the number of the positioning strips (14) and the number of the positioning blocks (20) are two, and the two positioning strips (14) and the two positioning blocks (20) are respectively distributed at two ends of the pen-type needle cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120414979.2U CN215584158U (en) | 2021-02-25 | 2021-02-25 | Blood taking needle with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120414979.2U CN215584158U (en) | 2021-02-25 | 2021-02-25 | Blood taking needle with positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215584158U true CN215584158U (en) | 2022-01-21 |
Family
ID=79869380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120414979.2U Expired - Fee Related CN215584158U (en) | 2021-02-25 | 2021-02-25 | Blood taking needle with positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215584158U (en) |
-
2021
- 2021-02-25 CN CN202120414979.2U patent/CN215584158U/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: 20220121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |