CN110575184A - Stepless regulation type range blood sampling device - Google Patents
Stepless regulation type range blood sampling device Download PDFInfo
- Publication number
- CN110575184A CN110575184A CN201910907049.8A CN201910907049A CN110575184A CN 110575184 A CN110575184 A CN 110575184A CN 201910907049 A CN201910907049 A CN 201910907049A CN 110575184 A CN110575184 A CN 110575184A
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- pipe
- blood collection
- tube
- moving
- blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150236—Pistons, i.e. cylindrical bodies that sit inside the syringe barrel, typically with an air tight seal, and slide in the barrel to create a vacuum or to expel blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Hematology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dermatology (AREA)
- Manufacturing & Machinery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a range stepless regulation type blood sampling device which comprises an air bag, a piston, a connecting ring, a connecting pipe, a blood sampling pipe, a driving device, a resetting device and a floating mechanism, wherein the piston is arranged on the air bag; the floating mechanism comprises a telescopic ring, an elastic membrane and a moving pipe; according to the invention, the connecting screw is clamped and rotated on the positioning plate, the threaded cylinder is driven to move up and down through the thread meshing principle, so that the connecting pipe is driven to move up and down, when the connecting pipe moves downwards, the lower end of the connecting pipe presses against the moving pipe to move downwards, so that the moving pipe presses against the guide post to move downwards on the elastic membrane, and when the connecting pipe moves upwards, the elastic pressing piece presses against the guide post upwards, so that the guide post presses against the moving pipe upwards to move the moving pipe upwards on the elastic membrane, so that the aim of moving the moving pipe up and down on the elastic membrane is fulfilled, and the technical effect of stepless capacity adjustment is realized.
Description
Technical Field
The invention relates to a range stepless adjusting type blood sampling device.
Background
Blood collection tubes are common tools used in medical departments such as hospitals to analyze blood. The blood collection tube is made of a glass tube which is small in inner diameter, is provided with openings at two ends and is communicated with the glass tube, one end of the blood collection tube is in contact with blood to be collected when the blood is collected, and the blood to be collected automatically enters the micro blood collection tube by utilizing the capillary principle.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a blood sampling device with stepless adjustment of measuring range.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
A range stepless regulation type blood sampling device comprises an air bag, a piston, a connecting ring, a connecting pipe, a blood sampling pipe, a driving device, a resetting device and a floating mechanism; the upper end of the air bag is communicated with a connecting ring; a piston is arranged on one side of the upper end of the connecting ring; the piston is embedded into the upper end of the connecting ring in a sealing manner; the lower end of the air bag is communicated with and provided with a connecting pipe; the lower end of the connecting pipe is inserted into and connected with a blood collection pipe; the upper end of the blood collection tube is inserted into the connecting tube, and the lower end of the blood collection tube extends to the lower part of the connecting tube; the floating mechanism comprises a telescopic ring, an elastic membrane and a moving pipe; the side part of the blood collection tube is provided with an installation opening; the installation opening is provided with an elastic membrane for sealing connection; the moving pipe is penetrated, sealed and fixed in the middle of the elastic membrane; the inner end of the moving tube extends to the inside of the blood collection tube, and the outer end of the moving tube extends to the outer side of the blood collection tube; the periphery of the inner side of the bottom of the connecting pipe is hermetically connected with the outer side of the periphery of the blood collection pipe through a telescopic ring; the driving device is arranged on one side of the connecting pipe and the blood sampling pipe; the resetting device is arranged at the lower side part of the blood collection tube; the driving device drives the lower end of the connecting pipe to press against the movable pipe to move; the reset device is elastically reset and pressed on the lower side of the movable tube.
Furthermore, the driving device comprises a threaded cylinder, a connecting screw rod and a positioning plate; the threaded cylinder is arranged on one side of the outer part of the connecting pipe; the positioning plate is arranged on one side of the outer part of the blood collection tube; the upper end of the connecting screw rod is in threaded rotary connection with the threaded cylinder; the lower end of the connecting screw rod is rotatably clamped at the upper end of the positioning plate.
Furthermore, the reset device comprises a guide cylinder, a guide post and an elastic pressing piece; the guide cylinder is arranged on the outer side of the lower part of the blood collection tube; the elastic pressing piece is arranged in the guide cylinder; the lower end of the guide post is inserted into the guide cylinder and is pressed against the upper end of the elastic pressing piece; the upper end of the guide post is pressed against the lower side of the movable pipe.
Furthermore, a positioning block is arranged on the lower side of the moving pipe; the lower end of the positioning block is provided with a positioning hole; the upper end of the guide post is inserted into and clamped in the positioning hole of the positioning block.
Furthermore, the telescopic ring is a corrugated pipe.
Further, the mounting opening is of a rectangular structure.
Further, the elastic membrane is made of high-elasticity rubber materials.
The invention has the advantages of
1. According to the invention, the connecting screw is clamped and rotated on the positioning plate, the threaded cylinder is driven to move up and down through the thread meshing principle, so that the connecting pipe is driven to move up and down, when the connecting pipe moves downwards, the lower end of the connecting pipe presses against the moving pipe to move downwards, so that the moving pipe presses against the guide post to move downwards on the elastic membrane, and when the connecting pipe moves upwards, the elastic pressing piece presses against the guide post upwards, so that the guide post presses against the moving pipe upwards to move the moving pipe upwards on the elastic membrane, so that the aim of moving the moving pipe up and down on the elastic membrane is fulfilled, and the technical effect of stepless capacity adjustment is realized.
2. when the piston is embedded into the upper end of the connecting ring in a sealing connection manner, a closed form is formed, and when blood is collected by the capillary principle of the blood collection tube, the blood collection is automatically stopped when the blood reaches the opening of the movable tube in the blood collection tube, so that small-range blood collection is formed; and after opening the piston from the upper end of go-between, form the form of intercommunication, blood can continue upwards take a blood sample until being full of whole heparin tube after reaching the intraductal removal pipe opening of heparin tube like this, forms the collection blood of wide range, so forms the blood sampling device of two kinds of different ranges, uses very nimble.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of fig. 1.
Fig. 3 is a side view of the structure of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a range stepless adjustment type blood sampling device comprises an air bag 1, a piston 3, a connecting ring 2, a connecting pipe 4, a blood sampling pipe 5, a driving device 7, a resetting device 8 and a floating mechanism 6; the upper end of the air bag 1 is communicated with a connecting ring 2; a piston 3 is arranged on one side of the upper end of the connecting ring 2; the piston 3 is embedded in the upper end of the connecting ring 2 and is connected with the inner part of the upper end of the connecting ring in a sealing way; the lower end of the air bag 1 is communicated with and provided with a connecting pipe 4; the lower end of the connecting tube 4 is inserted into and connected with a blood sampling tube 5; the upper end of the blood collection tube 5 is inserted into the connecting tube 4, and the lower end of the blood collection tube 5 extends to the lower part of the connecting tube 4; the floating mechanism 6 comprises a telescopic ring 61, an elastic membrane 62 and a moving pipe 63; the side of the blood collection tube 5 is provided with an installation opening 51; the installation opening 51 is provided with an elastic membrane 62 for sealing connection; the moving pipe 63 is connected in a penetrating and sealing way and fixed in the middle of the elastic membrane 62; the inner end of the moving tube 63 extends into the blood collection tube 5, and the outer end extends to the outer side of the blood collection tube 5; the periphery of the inner side of the bottom of the connecting tube 4 is hermetically connected with the outer side of the periphery of the blood collection tube 5 through a telescopic ring 61; the driving device 7 is arranged at one side of the connecting pipe 4 and the blood sampling pipe 5; the resetting device 8 is arranged at the lower side part of the blood collection tube 5; the driving device 7 drives the lower end of the connecting pipe 4 to press against the moving pipe 63 to move; the reset device 8 is elastically reset and pressed on the lower side of the movable tube 63.
As shown in fig. 1 to 3, it is further preferable that the driving device 7 includes a threaded cylinder 71, a connecting screw 72, and a positioning plate 73; the thread cylinder 71 is arranged on one side of the outer part of the connecting pipe 4; the positioning plate 73 is arranged at one side of the outer part of the blood sampling tube 5; the upper end of the connecting screw rod 72 is in threaded rotary connection with the threaded cylinder 71; the lower end of the connecting screw rod 72 is rotatably clamped at the upper end of the positioning plate 73. Further, the resetting device 8 comprises a guide cylinder 81, a guide post 83 and an elastic pressing piece 82; the guide cylinder 83 is mounted on the outer side of the lower part of the blood collection tube 5; the elastic pressing piece 82 is arranged in the guide cylinder 81; the lower end of the guide post 83 is inserted into the guide cylinder 81 and the lower end of the guide post 83 is pressed against the upper end of the elastic pressing piece 82; the upper end of the guide post 83 is pressed against the lower side of the moving pipe 63. Furthermore, a positioning block 631 is arranged on the lower side of the moving pipe 63; the lower end of the positioning block 631 is provided with a positioning hole; the upper end of the guide post 83 is inserted into the positioning hole of the positioning block 631 in a clamping manner. Further, the telescopic ring 61 is a bellows. Further, the mounting opening 51 has a rectangular structure. Further, the elastic membrane 62 is made of an elastic rubber material.
According to the invention, the connecting screw 72 is clamped and rotated on the positioning plate 73, the threaded cylinder 71 is driven to move up and down through the thread meshing principle, so that the connecting pipe 4 is driven to move up and down, when the connecting pipe 4 moves downwards, the lower end of the connecting pipe 4 presses against the movable pipe 63 to move downwards, so that the movable pipe 63 presses against the upper end of the guide post 83 to move downwards on the elastic membrane 62, and when the connecting pipe 4 moves upwards, the elastic pressing piece 82 presses against the guide post 83 upwards, so that the guide post 83 presses against the movable pipe 63 upwards, so that the movable pipe 63 moves upwards on the elastic membrane 62, and therefore, the aim of moving the movable pipe 63 up and down on the elastic membrane 62 is fulfilled, and the technical effect of stepless capacity adjustment is achieved. When the piston 3 is embedded into the upper end of the connecting ring 2 in a sealing connection mode, a closed mode is formed, and when blood is collected through the capillary principle of the blood collection tube 5, blood collection is automatically stopped when the blood reaches the opening of the moving tube 63 of the blood collection tube 5, so that small-range blood collection is formed; and when the piston 3 is opened from the upper end of the connecting ring 2, a communicated form is formed, so that blood can continue to be upwards collected until the whole blood collecting tube 5 is full of the opening of the moving tube 63 in the blood collecting tube 5, and the blood is collected in a large range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A range stepless regulation type blood sampling device is characterized by comprising an air bag, a piston, a connecting ring, a connecting pipe, a blood sampling pipe, a driving device, a resetting device and a floating mechanism; the upper end of the air bag is communicated with a connecting ring; a piston is arranged on one side of the upper end of the connecting ring; the piston is embedded into the upper end of the connecting ring in a sealing manner; the lower end of the air bag is communicated with and provided with a connecting pipe; the lower end of the connecting pipe is inserted into and connected with a blood collection pipe; the upper end of the blood collection tube is inserted into the connecting tube, and the lower end of the blood collection tube extends to the lower part of the connecting tube; the floating mechanism comprises a telescopic ring, an elastic membrane and a moving pipe; the side part of the blood collection tube is provided with an installation opening; the installation opening is provided with an elastic membrane for sealing connection; the moving pipe is penetrated, sealed and fixed in the middle of the elastic membrane; the inner end of the moving tube extends to the inside of the blood collection tube, and the outer end of the moving tube extends to the outer side of the blood collection tube; the periphery of the inner side of the bottom of the connecting pipe is hermetically connected with the outer side of the periphery of the blood collection pipe through a telescopic ring; the driving device is arranged on one side of the connecting pipe and the blood sampling pipe; the resetting device is arranged at the lower side part of the blood collection tube; the driving device drives the lower end of the connecting pipe to press against the movable pipe to move; the reset device is elastically reset and pressed on the lower side of the movable tube.
2. The range stepless adjustment type blood sampling device as claimed in claim 1, wherein the driving device comprises a threaded cylinder, a connecting screw rod and a positioning plate; the threaded cylinder is arranged on one side of the outer part of the connecting pipe; the positioning plate is arranged on one side of the outer part of the blood collection tube; the upper end of the connecting screw rod is in threaded rotary connection with the threaded cylinder; the lower end of the connecting screw rod is rotatably clamped at the upper end of the positioning plate.
3. The stepless range adjusting type blood collecting device as claimed in claim 1, wherein the resetting device comprises a guide cylinder, a guide post and an elastic pressing part; the guide cylinder is arranged on the outer side of the lower part of the blood collection tube; the elastic pressing piece is arranged in the guide cylinder; the lower end of the guide post is inserted into the guide cylinder and is pressed against the upper end of the elastic pressing piece; the upper end of the guide post is pressed against the lower side of the movable pipe.
4. The stepless range adjusting type blood collecting device as claimed in claim 3, wherein a positioning block is arranged on the lower side of the moving pipe; the lower end of the positioning block is provided with a positioning hole; the upper end of the guide post is inserted into and clamped in the positioning hole of the positioning block.
5. The range stepless adjustment type blood sampling device as claimed in claim 1, wherein the telescopic ring is a corrugated tube.
6. The range stepless adjustment type blood collecting device as claimed in claim 1, wherein the mounting opening is rectangular.
7. The range stepless adjustment type blood collecting device as claimed in claim 1, wherein the elastic membrane is made of high elastic rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907049.8A CN110575184B (en) | 2019-09-24 | 2019-09-24 | Stepless regulation type range blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910907049.8A CN110575184B (en) | 2019-09-24 | 2019-09-24 | Stepless regulation type range blood sampling device |
Publications (2)
| Publication Number | Publication Date |
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| CN110575184A true CN110575184A (en) | 2019-12-17 |
| CN110575184B CN110575184B (en) | 2021-12-03 |
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| CN201910907049.8A Active CN110575184B (en) | 2019-09-24 | 2019-09-24 | Stepless regulation type range blood sampling device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579302A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Axial and radial floating type micro blood sampling device |
| CN111579300A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Micro blood collection tube |
| CN111579301A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Clamping type micro blood sampling device |
| CN111579299A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Swift blood sampling device |
| CN111841676A (en) * | 2020-08-22 | 2020-10-30 | 江苏科华医疗器械科技有限公司 | Multi-range quantitative blood sampling pipette and blood sampling and pipetting method thereof |
| CN113198556A (en) * | 2021-05-20 | 2021-08-03 | 江苏科华医疗器械科技有限公司 | Overflow type liquid transferring device |
| CN113210026A (en) * | 2021-05-20 | 2021-08-06 | 江苏科华医疗器械科技有限公司 | Telescopic driving type liquid transfer device |
| CN113208590A (en) * | 2021-05-14 | 2021-08-06 | 江苏科华医疗器械科技有限公司 | Rotary liquid-discharging type blood-taking pipette |
| CN113231116A (en) * | 2021-05-14 | 2021-08-10 | 江苏科华医疗器械科技有限公司 | Detachable separating type blood sampling pipette |
| CN113262830A (en) * | 2021-05-14 | 2021-08-17 | 江苏科华医疗器械科技有限公司 | Dual regulation formula blood sampling liquid-transfering device |
| CN113274017A (en) * | 2021-05-18 | 2021-08-20 | 江苏科华医疗器械科技有限公司 | Floating negative pressure tip blood sampling device |
| CN114632566A (en) * | 2022-04-01 | 2022-06-17 | 江苏科华医疗器械科技有限公司 | Self-suction position-variable liquid-transferring blood sampling device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579302A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Axial and radial floating type micro blood sampling device |
| CN111579300A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Micro blood collection tube |
| CN111579301A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Clamping type micro blood sampling device |
| CN111579299A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Swift blood sampling device |
| CN111579302B (en) * | 2020-05-25 | 2023-04-25 | 江苏科华医疗器械科技有限公司 | Axial and radial floating micro blood sampling device |
| CN111841676A (en) * | 2020-08-22 | 2020-10-30 | 江苏科华医疗器械科技有限公司 | Multi-range quantitative blood sampling pipette and blood sampling and pipetting method thereof |
| CN113231116A (en) * | 2021-05-14 | 2021-08-10 | 江苏科华医疗器械科技有限公司 | Detachable separating type blood sampling pipette |
| CN113208590A (en) * | 2021-05-14 | 2021-08-06 | 江苏科华医疗器械科技有限公司 | Rotary liquid-discharging type blood-taking pipette |
| CN113262830A (en) * | 2021-05-14 | 2021-08-17 | 江苏科华医疗器械科技有限公司 | Dual regulation formula blood sampling liquid-transfering device |
| CN113208590B (en) * | 2021-05-14 | 2023-01-20 | 江苏科华医疗器械科技有限公司 | Rotary liquid-discharging type blood-taking pipette |
| CN113231116B (en) * | 2021-05-14 | 2023-03-03 | 江苏科华医疗器械科技有限公司 | Detachable separation type blood sampling pipette |
| CN113274017A (en) * | 2021-05-18 | 2021-08-20 | 江苏科华医疗器械科技有限公司 | Floating negative pressure tip blood sampling device |
| CN113274017B (en) * | 2021-05-18 | 2023-02-14 | 江苏科华医疗器械科技有限公司 | Floating negative pressure tip blood sampling device |
| CN113210026A (en) * | 2021-05-20 | 2021-08-06 | 江苏科华医疗器械科技有限公司 | Telescopic driving type liquid transfer device |
| CN113198556A (en) * | 2021-05-20 | 2021-08-03 | 江苏科华医疗器械科技有限公司 | Overflow type liquid transferring device |
| CN114632566A (en) * | 2022-04-01 | 2022-06-17 | 江苏科华医疗器械科技有限公司 | Self-suction position-variable liquid-transferring blood sampling device |
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