CN219962877U - Medical blood sampling device - Google Patents
Medical blood sampling device Download PDFInfo
- Publication number
- CN219962877U CN219962877U CN202222616393.1U CN202222616393U CN219962877U CN 219962877 U CN219962877 U CN 219962877U CN 202222616393 U CN202222616393 U CN 202222616393U CN 219962877 U CN219962877 U CN 219962877U
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- Prior art keywords
- shell
- tip
- mounting
- needle body
- blood sampling
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 36
- 238000005070 sampling Methods 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000005213 imbibition Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000000645 desinfectant Substances 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
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a medical blood sampling device, which relates to the field of medical appliances, and comprises a mounting shell and a needle body, wherein a transparent sampling tube fixedly connected with the mounting shell is arranged at one end part of the mounting shell, an isolation layer is arranged in the transparent sampling tube, a rubber isolation layer fixedly connected with the isolation layer is arranged on the isolation layer, the inside of the transparent sampling tube is in a negative pressure state, an end shell is arranged at one end part of the mounting shell, and a mounting seat is arranged on the end shell; meanwhile, the automatic blood sampling process is relatively simple and convenient, the integration of disinfection and blood sampling functions can be realized, and the puncture depth can be effectively controlled, so that patients are effectively protected.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a medical blood sampling device.
Background
When a doctor diagnoses the body of a patient, the doctor sometimes needs to draw blood and test the patient, and the condition of the patient is diagnosed more accurately by detecting whether the blood index of the patient is normal.
Patent CN209074635U discloses a medical blood sampling device, and the device carries out blood sampling work to patient through the cooperation of syringe sleeve and syringe inner rod, can make things convenient for the doctor to be more firm when carrying out blood sampling work through base and handle to can reduce this automatic blood sampling device and shake the probability when carrying out blood sampling work, but the device generally is a deformation of drawing blood to traditional hand syringe, and whole device can not effectually solve automatic blood sampling, and simplify not convenient problem in the traditional operation step of drawing blood.
Disclosure of Invention
The utility model aims to provide a medical blood sampling device, and aims to solve the problems that the traditional medical blood sampling device is relatively complex in blood sampling process and inconvenient in blood sampling operation.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a medical blood sampling device, includes installation shell and needle body, be provided with the transparent sampling tube with its fixed connection on the tip of installation shell, be provided with the isolation layer in the transparent sampling tube, be provided with the rubber interlayer with its fixed connection on the isolation layer, just the inside negative pressure state that becomes of transparent sampling tube, be provided with the tip shell on the tip of installation shell, be provided with the mount pad on the tip shell, be provided with the sliding seat with its sliding connection on the mount pad, be provided with the stopper with its fixed connection on the tip of sliding seat, needle body fixed mounting is on the sliding seat, just an tip of needle body outwards stretches out from stopper one end, be provided with a plurality of springs between sliding seat and the mount pad, still be provided with the spacing subassembly that carries out spacing to the needle body position on the installation shell inside wall, be provided with the tip collar with its fixed connection on the tip collar, be provided with the aseptic cotton of imbibition on the tip collar.
In one alternative: the limiting assembly comprises a second-number clamp block, a mounting sleeve fixedly connected with the second-number clamp block is arranged on the inner side wall of the mounting shell, a sliding shaft in sliding connection with the mounting sleeve is arranged on the inner side wall of the mounting sleeve, a reset spring is arranged between one end part of the sliding shaft and the mounting sleeve, a first-number clamp block fixedly connected with the sliding shaft is arranged on the other end part of the sliding shaft, and the second-number clamp block is fixedly arranged on the needle body.
In one alternative: the center position of the isolation layer is upwards protruded in the direction away from the sliding seat, and the rubber isolation layer is arranged on the center position of the isolation layer protrusion.
In one alternative: the installation shell and the installation seat are detachably arranged on the end shell, and an end cover for protecting the needle body is arranged on one end of the end shell.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple and reasonable structure, and in the working process of the whole device, one end part of the needle body can penetrate through the skin in a mode of pressing the skin of a human body, the other end part of the needle body is connected with the transparent sampling tube, and meanwhile, the purpose of automatic blood sampling is achieved by utilizing the negative pressure in the transparent sampling tube;
the automatic blood sampling device has the advantages that the operation process of automatic blood sampling is relatively simple and convenient, the integration of disinfection and blood sampling functions can be realized in the process of realizing automatic blood sampling, and meanwhile, the puncture depth can be effectively controlled, so that patients are effectively protected, and compared with the traditional blood sampling device, the automatic blood sampling device has better practicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure in one embodiment of the utility model.
Fig. 2 is an enlarged schematic view of the structure at B in fig. 1 according to an embodiment of the present utility model.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to an embodiment of the present utility model.
Fig. 4 is a schematic view of an end housing structure in one embodiment of the utility model.
Reference numerals annotate: the device comprises a mounting shell 1, an end shell 2, a mounting seat 3, a needle body 4, a sliding seat 5, a spring 6, a transparent sampling tube 7, scale marks 8, a limiting block 9, an end mounting ring 10, liquid-absorbing sterile cotton 11, an end cover 12, an isolation layer 13, a mounting sleeve 14, a reset spring 15, a sliding shaft 16, a first clamping block 17, a second clamping block 18, a rubber isolation layer 19 and a mounting groove 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the utility model and are not intended to limit the scope of the utility model. Any obvious modifications or alterations to the utility model, as would be apparent, are made without departing from the spirit and scope of the present utility model.
In one embodiment, as shown in fig. 1, 2 and 3, the medical blood sampling device provided by the utility model comprises a mounting shell 1 and a needle body 4, wherein a transparent sampling tube 7 fixedly connected with the mounting shell 1 is arranged at one end part of the mounting shell 1, an isolation layer 13 is arranged in the transparent sampling tube 7, a rubber isolation layer 19 fixedly connected with the isolation layer 13 is arranged on the isolation layer 13, the inside of the transparent sampling tube 7 is in a negative pressure state, an end part shell 2 is arranged at one end part of the mounting shell 1, a mounting seat 3 is arranged on the end part shell 2, a sliding seat 5 in sliding connection with the mounting seat 3 is arranged at one end part of the sliding seat 5, a limiting block 9 fixedly connected with the sliding seat 5 is arranged at one end part of the sliding seat 5, the needle body 4 is fixedly arranged on the sliding seat 5, one end part of the needle body 4 extends outwards from one end part of the limiting block 9, a plurality of springs 6 are arranged between the sliding seat 5 and the mounting seat 3, a limiting component for limiting the position of the needle body 4 is also arranged on the inner side wall of the mounting shell 1, a liquid suction ring 10 is arranged at one end part of the mounting shell 3, and a liquid suction ring 10 is arranged at one end part of the mounting ring 10;
when the whole device is put into use, an operator can hold the whole installation shell 1, the liquid-absorbing sterile cotton 11 is adhered with disinfectant and then coated on a blood sampling part of a human body for disinfection, then the end part of the needle body 4 is aligned with the blood sampling part, the whole device is tightly pressed on the body of a patient, at the moment, one end part of the needle body 4 penetrates through the skin, the whole sliding seat 5 slides on the inner side wall of the installation seat 3 towards the direction close to the isolation layer 13, the sliding seat 5 drives the needle body 4 to slide upwards, one end part of the needle body 4 penetrates through the rubber isolation layer 19, meanwhile, the limiting component is used for assisting in fixing the needle body 4, one end part of the needle body 4 is prevented from withdrawing from the transparent sampling tube 7, meanwhile, blood flows into the transparent sampling tube 7 for storage through the negative pressure in the transparent sampling tube 7, the transparent sampling tube 7 is made of transparent material, the blood sampling amount can be observed, and when the whole device is used, the initial position of the sliding seat 5 can be kept relatively stable, meanwhile, in the process of blood sampling is pressed downwards, one end part of the limiting block 9 is contacted with the installation seat 3, and the penetration of the end part of the needle body 4 can be prevented from being deeply penetrated;
in one embodiment, as shown in fig. 1 and 3, the limiting assembly includes a second card block 18, a mounting sleeve 14 fixedly connected with the inner side wall of the mounting shell 1 is provided on the inner side wall of the mounting shell 14, a sliding shaft 16 slidably connected with the mounting sleeve 14 is provided on the inner side wall of the mounting sleeve 14, a return spring 15 is provided between one end of the sliding shaft 16 and the mounting sleeve 14, a first card block 17 fixedly connected with the sliding shaft 16 is provided on the other end of the sliding shaft 16, and the second card block 18 is fixedly mounted on the needle body 4;
in the embodiment of the utility model, when the needle body 4 moves upwards and the inclined side wall of the second-size clamp block 18 contacts with the inclined side wall of the first-size clamp block 17, the sliding shaft 16 is pushed to move on the mounting sleeve 14, and when the second-size clamp block 18 passes over the first-size clamp block 17, the return spring 15 moves in a reset mode, so that the first-size clamp block 17 clamps the main second-size clamp block 18, the position of the needle body 4 is limited in an auxiliary mode, and therefore one end portion of the needle body 4 is prevented from withdrawing from the transparent sampling tube 7;
in one embodiment, as shown in fig. 1 and 2, the central position of the isolation layer 13 protrudes upwards away from the sliding seat 5, and the rubber isolation layer 19 is mounted on the protruding central position of the isolation layer 13;
in the embodiment of the utility model, the collected blood sample flows downwards to the bottom end of the isolating layer 13 along the side wall of the isolating layer 13 for collection, so that the blood sample can be effectively prevented from flowing out of one end part of the needle body 4;
in one embodiment, as shown in fig. 1, the mounting shell 1 and the mounting seat 3 are detachably disposed on the end housing 2, and an end cover 12 for protecting the needle body 4 is disposed on one end of the end housing 2;
in the embodiment of the utility model, the mounting shell 1, the end part shell 2 and the mounting seat 3 are all detachably mounted, so that the use and replacement cost of the whole device can be effectively reduced;
the end part shell 2 is provided with a plurality of mounting grooves 20, the mounting seat 3 is mounted on the plurality of mounting grooves 20, and the transparent sampling tube 7 is also provided with scale marks 8 fixedly connected with the transparent sampling tube; when the whole device is used, the blood sampling amount can be measured and observed through the scale marks 8.
The utility model has the following specific working effects:
when the whole device is put into use, an operator can hold the whole installation shell 1, the aseptic cotton 11 of imbibition is stained with the antiseptic solution and then coated on the blood sampling part of the human body, then aim at the blood sampling part with needle 4 tip, press the whole device on the patient, the tip of needle 4 pierces through the skin this moment, whole sliding seat 5 slides to being close to isolation layer 13 direction on the mount pad 3 inside wall, sliding seat 5 drives needle 4 upwards to slide, the tip of needle 4 pierces through rubber interlayer 19, simultaneously when the slope lateral wall of needle 4 motion in-process, the slope lateral wall of No. two card caking 18 contacts with the slope lateral wall of No. one card caking 17, promote sliding shaft 16 and move on installation cover 14, when No. two card caking 18 cross No. one card caking 17, reset spring 15 reset motion, make No. one card caking 17 card main No. two card caking 18, the position of needle 4 is assisted and is limited, thereby prevent that one tip of needle 4 from withdrawing from transparent sampling tube 7 from, simultaneously because negative pressure in transparent sampling tube 7, blood will flow into transparent sampling tube 7 through needle 4 and carry out in the sample tube 7, simultaneously, the tip of a plurality of transparent material is kept in order to keep the position of the transparent sampling tube 7, can be kept the relative to the position of the transparent position of the device when No. 6 is passed through No. one card caking 17, the end is kept down, the position is more than can be kept down by the transparent position and the device is stable, and the position is kept down in the relative to the position of the needle 4, and can be kept down when the position is stable, and the position is used to the position in the position is more than the device is stable.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a medical blood sampling device, includes installation shell and needle body, its characterized in that is provided with the transparent sampling tube with its fixed connection on an tip of installation shell, be provided with the isolation layer in the transparent sampling tube, be provided with the rubber interlayer with its fixed connection on the isolation layer, just the inside negative pressure state that becomes of transparent sampling tube, be provided with the tip shell on an tip of installation shell, be provided with the mount pad on the tip shell, be provided with the sliding seat with its sliding connection on the mount pad, be provided with the stopper with its fixed connection on an tip of sliding seat, needle body fixed mounting is on the sliding seat, just an tip of needle body outwards stretches out from stopper one end, be provided with a plurality of springs between sliding seat and the mount pad, still be provided with the spacing subassembly that carries out spacing to needle body position on the inside wall of installation shell, be provided with the tip collar with its fixed connection on the tip collar, be provided with the aseptic liquid absorbing cotton on the tip collar.
2. The medical blood sampling device according to claim 1, wherein the limiting assembly comprises a second-size clamp block, a mounting sleeve fixedly connected with the second-size clamp block is arranged on the inner side wall of the mounting shell, a sliding shaft in sliding connection with the mounting sleeve is arranged on the inner side wall of the mounting sleeve, a reset spring is arranged between one end portion of the sliding shaft and the mounting sleeve, a first-size clamp block fixedly connected with the sliding shaft is arranged on the other end portion of the sliding shaft, and the second-size clamp block is fixedly arranged on the needle body.
3. The medical blood sampling device according to claim 2, wherein the central position of the isolating layer is upwardly protruded in a direction away from the sliding seat, and the rubber isolating layer is installed on the central position of the isolating layer protrusion.
4. The medical blood sampling device according to claim 1, wherein the mounting shell and the mounting seat are detachably arranged on the end shell, and an end cover for protecting the needle body is arranged on one end of the end shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222616393.1U CN219962877U (en) | 2022-09-30 | 2022-09-30 | Medical blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222616393.1U CN219962877U (en) | 2022-09-30 | 2022-09-30 | Medical blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219962877U true CN219962877U (en) | 2023-11-07 |
Family
ID=88587746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222616393.1U Active CN219962877U (en) | 2022-09-30 | 2022-09-30 | Medical blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219962877U (en) |
-
2022
- 2022-09-30 CN CN202222616393.1U patent/CN219962877U/en active Active
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