CN117770812A - Blood sampling device that security is good - Google Patents
Blood sampling device that security is good Download PDFInfo
- Publication number
- CN117770812A CN117770812A CN202311687916.4A CN202311687916A CN117770812A CN 117770812 A CN117770812 A CN 117770812A CN 202311687916 A CN202311687916 A CN 202311687916A CN 117770812 A CN117770812 A CN 117770812A
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- blood
- pipe
- blood sampling
- tube
- clamping
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 78
- 239000008280 blood Substances 0.000 claims abstract description 93
- 210000004369 blood Anatomy 0.000 claims abstract description 93
- 239000000463 material Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000007779 soft material Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 210000004204 blood vessel Anatomy 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 22
- 238000002347 injection Methods 0.000 abstract description 18
- 239000007924 injection Substances 0.000 abstract description 18
- 238000001990 intravenous administration Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 206010060964 Arterial haemorrhage Diseases 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The invention discloses a blood sampling device with good safety, which comprises a drainage box, wherein a three-way valve is arranged in the drainage box, the upper end of the three-way valve penetrates through the upper part of the inner wall of the drainage box and extends to the upper surface of the drainage box, a plurality of poking rods are arranged on the outer wall of the upper end of the three-way valve, a first communication pipe is arranged on the right side of the drainage box, a first clamping pipe is arranged on the right end of the first communication pipe, a blood drainage pipe is arranged on the right end of the first clamping pipe, a blood guiding needle head is arranged at the other end of the blood drainage pipe, a second communication pipe is arranged on the front side of the drainage box, and a third communication pipe is arranged at the front end of the second communication pipe. The invention can use the blood sampling assembly to replace the intravenous blood sampling injection needle to improve, change the connecting end of the original injection needle into a second communicating pipe, the second clamping pipe is matched with the thread groove and the external thread to fix, the other end is inserted with the blood sampling needle, and the whole blood sampling assembly replaces the injector, thus being capable of collecting all the different kinds of blood samples at one time.
Description
Technical Field
The invention relates to the technical field of ICU blood sampling, in particular to a blood sampling device with good safety.
Background
ICU generally refers to intensive care units, and ICU is also called intensive care unit comprehensive treatment room, and treatment, nursing and rehabilitation can be synchronously carried out, so that isolation places and equipment are provided for patients suffering from severe or coma, optimal nursing, comprehensive treatment, medical care combination, early postoperative rehabilitation, joint nursing exercise treatment and the like are provided, and nursing nurses are relatively familiar in the intensive care units to collect blood of patients.
Because normal patient blood sampling is directly puncture blood sampling through the blood taking needle, the patient of that ICU involves the pressing time, and patient's blood coagulation condition and blood sampling number of times are many, so all adopt the pipeline blood sampling in many cases, namely from arterial puncture pipe or vein puncture pipe blood sampling, because this blood sampling is at present that do not have professional equipment, all adopt syringe connecting tube interface blood sampling, easy pollution, there is also a restriction to the collection volume, often adopt a plurality of syringes to need to use a blood, and when using the syringe to pour into the heparin tube into blood, also easily lead to nurse's needle stab, sample dosage is inconsistent, a series of problems such as sample pollution.
Accordingly, the inventor has the problem of providing a blood sampling device with good safety so as to achieve the purpose of having more practical value by taking hold of the experience of the design development and the actual manufacturing in the related industry for many years and researching and improving the existing structure and the defects.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the invention provides a blood sampling device with good safety, by arranging a drainage box, a three-way valve, a poking rod, a first communication pipe, a first clamping pipe, a blood drawing pipe, a second communication pipe, a third communication pipe and a blood sampling assembly, the blood sampling assembly can be used for replacing an intravenous blood sampling injection needle to be improved, the connecting end of the original injection needle is changed into a second communication pipe which is matched with a thread groove and an external thread to be fixed, the other end of the original injection needle is inserted into the blood sampling assembly, the whole blood sampling assembly is used for replacing an injector, all different types of blood samples required by a nurse can be collected at one time, and then the blood sampling is carried out in a way of injecting blood through the needle head of the injection needle. The blood taking device has the advantages that the consumption of consumable materials is reduced, blood taking of various items of different containers is facilitated, finally, the protecting cap is sleeved outside the blood taking needle, the protecting cap is an instrument which is processed through a special process and has a good antibacterial effect, the needle head of the blood taking needle can be well protected, the needle head of the blood taking needle is guaranteed to be in a sterile state, subsequent use is facilitated, the blood taking needle head of the blood taking needle is made of soft materials, nurses are protected, the condition that the nurses are stabbed wound due to multiple blood taking of the nurses is avoided, and a series of problems that stabbing of the nurses, inconsistent sample doses, sample pollution and the like are easily caused due to the fact that the protecting cap is provided in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a blood sampling device that security is good, includes the drainage box, the inside of drainage box is provided with the three-way valve, the upper end of three-way valve runs through the top of drainage box inner wall and extends to its upper surface, a plurality of toggle levers are installed to the outer wall of three-way valve upper end, first connecting pipe is installed on the right side of drainage box, first card pipe is installed to the right-hand member of first connecting pipe, the blood drainage pipe is installed to the right-hand member of first card pipe, the other end of blood drainage pipe is provided with the blood syringe needle, the second communicating pipe is installed to the front side of drainage box, the front end of second communicating pipe is provided with the third communicating pipe, the other end of third communicating pipe is provided with blood sampling subassembly;
the blood collection assembly can be used for replacing an intravenous blood collection injection needle for improvement, the connecting end of the original injection needle is changed into a second communicating pipe which is matched with a threaded groove and an external thread to be fixed, the blood collection needle is inserted into the other end of the blood collection assembly, the whole blood collection assembly is used for replacing an injector, all blood specimens of different types required by the blood collection assembly can be collected at one time, a nurse needs to detach the collected blood injection needle from a pipeline connection part during blood collection at ordinary times, then blood collection is carried out in a mode of injecting blood through the injection needle head, the blood collection assembly can replace the injection needle head, the blood collection needle is used for extending into a blood collection container, the blood collection needle is mainly used for pipeline blood collection, the intravenous indwelling needle can be connected, and frequent puncture of a patient is avoided. The consumption of consumable materials is reduced, and the blood collection of various projects of different containers is facilitated.
Preferably, the inner wall of the second communicating pipe is provided with a thread groove, the outer wall of the third communicating pipe is provided with an external thread, and the second communicating pipe and the second clamping pipe are fixed with the external thread through the thread groove.
Preferably, the blood sampling assembly comprises a second clamping tube, the rear end of the second clamping tube is fixed with the front end of a third communicating tube, a blood sampling tube is installed at the front end of the second clamping tube, a fourth communicating tube is installed at the other end of the blood sampling tube, a clamping connector is installed at the other end of the fourth communicating tube, a third clamping tube is installed at the other end of the clamping connector, a blood sampling needle is installed at the other end of the third clamping tube, and a bleeding port is formed in the front side of the blood sampling needle.
Preferably, the blood taking needle is made of soft materials, the protecting cap is sleeved outside the blood taking needle, the protecting cap is an instrument which is processed through a special process and has a good antibacterial effect, the needle head of the blood taking needle can be well protected, the needle head of the blood taking needle is guaranteed to be in a sterile state, subsequent use is facilitated, the needle head of the blood taking needle is made of soft materials, nurses are protected, and the situation that puncture injuries occur in multiple blood taking of the nurses can be avoided.
Preferably, the fifth communicating pipe is installed in the left side of drainage box, the fourth card pipe is installed to the left end of fifth communicating pipe, the bayonet socket has been seted up to the other end of fourth card pipe, can be after equipment use, washs the inside of equipment through bayonet socket 20 connection cleaning device on the fourth card pipe 19, avoids the inside blood mixing that appears when using next time, and then produces cross infection's condition emergence, has guaranteed the security that equipment used.
Preferably, the first clamping tube, the second clamping tube, the third clamping tube and the fourth clamping tube are all made of silica gel materials, and the silica gel tube is rubber with wide and good special comprehensive performance, has excellent electrical insulation performance, ageing resistance, chemical stability, oxidation resistance, weather resistance and radiation resistance, has physiological inertia, good air permeability and high and low temperature resistance, can be widely used as a good electrical insulation sealing and liquid conveying material in the industrial departments of aviation, electronics, petroleum, chemical industry, machinery, electric appliances, medical use, ovens, food and the like, has high and low temperature resistance, oil resistance, no toxicity, no smell and the like, and is very suitable for being used in medical blood collection.
The invention has the technical effects and advantages that:
according to the invention, through the arrangement of the drainage box, the three-way valve, the toggle rod, the first communication pipe, the first clamping pipe, the blood guiding pipe, the second communication pipe, the third communication pipe and the blood sampling assembly, the blood sampling assembly can be used for replacing an intravenous blood sampling injection needle to be improved, the connecting end of the original injection needle is changed into the second communication pipe to be matched with a thread groove and an external thread for fixation, the other end of the injection needle is inserted into the blood sampling needle, the whole blood sampling assembly is used for replacing an injector, and all different types of blood samples required by the blood sampling assembly can be collected at one time;
according to the invention, through the arrangement of the drainage box, the three-way valve, the toggle rod, the first communication pipe, the first clamping pipe, the blood guiding pipe, the second communication pipe, the third communication pipe and the blood sampling assembly, a nurse needs to detach the injection needle with collected blood from the connecting position of the pipeline at ordinary times, then blood is sampled in a mode of injecting blood through the needle head of the injection needle, the blood sampling assembly can replace the needle head of the injection needle, the blood sampling assembly can extend into the blood sampling container by using the blood sampling needle, the blood sampling needle is mainly used for pipeline blood sampling, and the venous indwelling needle can also be connected, so that frequent puncture of a patient is avoided. The consumption of consumables is reduced, and the blood collection of various projects of different containers is facilitated;
according to the invention, through the arrangement of the blood taking needle and the protective cap, the protective cap is sleeved outside the blood taking needle, and the protective cap is an instrument which is processed through a special process and has a good antibacterial effect, so that the needle head of the blood taking needle can be well protected, the needle head of the blood taking needle is guaranteed to be in a sterile state, the subsequent use is facilitated, the needle head of the blood taking needle is made of a soft material, the nurse is protected, and the condition that the nurse is stabbed with multiple blood taking is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a partially cut-away structure of the present invention;
FIG. 4 is a schematic perspective view of a blood sampling part according to the present invention;
FIG. 5 is a partially disassembled schematic illustration of the present invention;
the reference numerals are: 1. a drainage box; 2. a three-way valve; 3. a first communication pipe; 4. a first clamping tube; 5. introducing blood vessels; 6. a second communicating pipe; 7. a thread groove; 8. a third communicating pipe; 9. an external thread; 10. a second clamping tube; 11. a blood collection tube; 12. a fourth communicating pipe; 13. a clamping joint; 14. a third clamping tube; 15. a blood taking needle; 16. a bleeding port; 17. a protective cap; 18. a fifth communicating pipe; 19. a fourth clamping tube; 20. a bayonet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The utility model provides a blood sampling device that security is good, including drainage box 1, the inside of drainage box 1 is provided with three way valve 2, the top of drainage box 1 inner wall is run through to three way valve 2 and extend to its upper surface, a plurality of toggle levers are installed to the outer wall of three way valve 2 upper end, first connecting pipe 3 is installed on the right side of drainage box 1, first card pipe 4 is installed to the right-hand member of first connecting pipe 3, draw-in tube 5 is installed to the right-hand member of first card pipe 4, draw-in tube 5's the other end is provided with the guide needle, second communicating pipe 6 is installed to the front side of drainage box 1, the front end of second communicating pipe 6 is provided with third communicating pipe 8, the other end of third communicating pipe 8 is provided with blood sampling assembly, can use blood sampling assembly to replace the improvement of vein blood sampling needle, change the link of original injection needle into second communicating pipe 6 and second card pipe 10 cooperation thread groove 7 and external screw thread 9 to be fixed, insert needle 15 in addition, replace the syringe with this subassembly wholly, can once only need all different kinds of blood sampling tube that need be once only, the blood sampling tube 5 is connected with the needle that blood sampling tube is needed to take place blood sampling tube 15, the blood sampling tube is connected with the blood sampling tube 15 and can be used for the blood sampling tube to replace blood sampling tube to take place frequently, the blood sampling tube is connected with the blood sampling needle, the blood sampling tube is frequently used for the blood sampling tube 15, the blood sampling tube is connected blood sampling needle is required, and blood sampling needle is replaced blood sampling needle is frequently, and blood sampling needle is used for blood sampling needle is required to be connected. The consumption of consumable materials is reduced, and the blood collection of various projects of different containers is facilitated.
As shown in fig. 1 and 2, the blood taking needle 15 is made of soft materials, the outside of the blood taking needle 15 is sleeved with the protective cap 17, and it is to be noted that the protective cap 17 is an instrument which is processed through a special process and has a good antibacterial effect, the needle head of the blood taking needle 15 can be well protected, the needle head of the blood taking needle is guaranteed to be in a sterile state, subsequent use is facilitated, the needle head of the blood taking needle 15 is made of soft materials, nurses are protected, and the condition that the nurses take blood for many times and stabs can be avoided.
As shown in fig. 1 and 3, the fifth communicating pipe 18 is installed on the left side of the drainage box 1, the fourth clamping pipe 19 is installed on the left end of the fifth communicating pipe 18, the bayonet 20 is provided on the other end of the fourth clamping pipe 19, after the equipment is used, the cleaning equipment can be connected through the bayonet 20 on the fourth clamping pipe 19, the interior of the equipment is cleaned, the occurrence of blood mixing during the next use is avoided, and further, the occurrence of cross infection is generated, the safety of the equipment use is ensured, the first clamping pipe 4, the second clamping pipe 10, the third clamping pipe 14 and the fourth clamping pipe 19 are all made of silica gel materials, and the silica gel pipe is rubber with wide and good special comprehensive performance, has excellent electrical insulation performance, ageing resistance, chemical stability, oxidation resistance, radiation resistance, physiological inertia, air permeability and high and low temperature resistance, can be widely used as an electric insulation sealing and liquid conveying material for the industrial departments of aviation, electronics, petroleum, chemical industry, machinery, electric appliances, medical use, ovens, food and the like, and has the performances of high temperature resistance, oil resistance, no toxicity and the like, and is very suitable for medical blood sampling.
The working principle of the invention is as follows: when in use, the right end of the blood drawing tube 5 can be connected with a blood taking needle head, under the action of negative pressure, blood can enter the blood drawing tube 5 along a needle hole on the needle head, then enter the first clamping tube 4 through the blood drawing tube 5, enter the first communication tube 3 through the first clamping tube 4, finally enter the drainage box 1, and the third communication tube 8 is fixed with the second communication tube 6 through the thread groove 7 in the second communication tube 6 and the external thread 9 matched with the surface of the third communication tube 8 before;
the three-way valve 2 on the drainage box 1 is rotated at this moment, so that blood can enter the third communicating pipe 8 through the second communicating pipe 6, can enter the second clamping pipe 10 and the blood taking pipe 11 through the third communicating pipe 8 at this moment, and then enter the clamping joint 13 and the third clamping pipe 14 through the fourth communicating pipe 12, and finally, the whole blood taking process can be completed through the blood outlet 16 on the blood taking needle 15, and before the blood taking device is used, the protecting cap 17 is always sleeved outside each blood taking needle 15, and the protecting cap 17 is an instrument which is processed through a special process and has a good antibacterial effect, so that the needle head of the blood taking needle 15 can be well protected, the needle head of the blood taking needle is guaranteed to be in a sterile state, and the subsequent use is facilitated.
Example 2
The utility model provides a blood sampling device that security is good, includes drainage box 1, its characterized in that: the inside of drainage box 1 is provided with three way valve 2, the top of drainage box 1 inner wall is run through to three way valve 2's upper end and extends to its upper surface, a plurality of toggle bars are installed to the outer wall of three way valve 2 upper end, first connecting pipe 3 is installed on the right side of drainage box 1, first card pipe 4 is installed to the right-hand member of first connecting pipe 3, draw-in vessel 5 is installed to the right-hand member of first card pipe 4, the sensor syringe needle is installed to the other end of draw-in vessel 5, second communicating pipe 6 is installed to the front side of drainage box 1, the front end of second communicating pipe 6 is provided with third communicating pipe 8, the other end of third communicating pipe 8 is provided with blood sampling subassembly.
The sensor needle is arranged at the other end of the blood introducing tube 5, and the sensor needle is connected with the arterial pressure sensor through a lead, so that the pressure condition of arterial bleeding can be observed in real time, and the safety and the reliability of the blood sampling process are ensured.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a connection between two elements, or may be a direct connection, where "up," "down," "left," "right," etc. are merely used to indicate a relative positional relationship, and when the absolute position of an object to be described is changed, the relative positional relationship may be changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a blood sampling device that security is good, includes drainage box (1), its characterized in that: the inside of drainage box (1) is provided with three way valve (2), the top of drainage box (1) inner wall is run through to the upper surface thereof to the upper end of three way valve (2), a plurality of toggle levers are installed to the outer wall of three way valve (2) upper end, first connecting pipe (3) are installed on the right side of drainage box (1), first card pipe (4) are installed to the right-hand member of first connecting pipe (3), draw blood vessel (5) are installed to the right-hand member of first card pipe (4), draw the other end of blood vessel (5) to be provided with the blood syringe needle, second communicating pipe (6) are installed to the front side of drainage box (1), the front end of second communicating pipe (6) is provided with third communicating pipe (8), the other end of third communicating pipe (8) is provided with blood sampling subassembly.
2. The high-safety blood collection device according to claim 1, wherein: the inner wall of the second communicating pipe (6) is provided with a thread groove (7), the outer wall of the third communicating pipe (8) is provided with an external thread (9), and the second communicating pipe (6) and the second clamping pipe (10) are fixed with the external thread (9) through the thread groove (7).
3. The high-safety blood collection device according to claim 1, wherein: the blood sampling assembly comprises a second clamping tube (10), the rear end of the second clamping tube (10) is fixed with the front end of a third communicating tube (8), a blood sampling tube (11) is installed at the front end of the second clamping tube (10), a fourth communicating tube (12) is installed at the other end of the blood sampling tube (11), a clamping connector (13) is installed at the other end of the fourth communicating tube (12), a third clamping tube (14) is installed at the other end of the clamping connector (13), a blood sampling needle (15) is installed at the other end of the third clamping tube (14), and a blood outlet (16) is formed in the front side of the blood sampling needle (15).
4. A safe lancing device according to claim 3, wherein: the blood taking needle (15) is made of soft materials, and a protective cap (17) is sleeved outside the blood taking needle (15).
5. The high-safety blood collection device according to claim 1, wherein: a fifth communicating pipe (18) is arranged on the left side of the drainage box (1), a fourth clamping pipe (19) is arranged at the left end of the fifth communicating pipe (18), and a bayonet (20) is formed at the other end of the fourth clamping pipe (19).
6. The high-safety blood collection device according to claim 5, wherein: the first clamping tube (4), the second clamping tube (10), the third clamping tube (14) and the fourth clamping tube (19) are all made of silica gel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311687916.4A CN117770812A (en) | 2023-12-11 | 2023-12-11 | Blood sampling device that security is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311687916.4A CN117770812A (en) | 2023-12-11 | 2023-12-11 | Blood sampling device that security is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117770812A true CN117770812A (en) | 2024-03-29 |
Family
ID=90400877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311687916.4A Pending CN117770812A (en) | 2023-12-11 | 2023-12-11 | Blood sampling device that security is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117770812A (en) |
-
2023
- 2023-12-11 CN CN202311687916.4A patent/CN117770812A/en active Pending
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