CN110547812A - Surrounding floating type blood sampling device - Google Patents
Surrounding floating type blood sampling device Download PDFInfo
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- CN110547812A CN110547812A CN201910896774.XA CN201910896774A CN110547812A CN 110547812 A CN110547812 A CN 110547812A CN 201910896774 A CN201910896774 A CN 201910896774A CN 110547812 A CN110547812 A CN 110547812A
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- floating
- connecting cylinder
- collection tube
- blood collection
- blood sampling
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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
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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
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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- Hematology (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses a surrounding floating type blood sampling device, which comprises an air bag, a connecting cylinder, a floating driving mechanism and a blood sampling assembly, wherein the air bag is connected with the connecting cylinder; the invention changes the structure of the original blood sampling tube, the annular cavity is communicated and connected with the outer side of the periphery of the lower end of the upper blood sampling tube, thus the expanded space is arranged to be the radial periphery of the blood sampling tube, and the problem of inconvenient operation caused by overlong height due to axial distribution is avoided.
Description
Technical Field
The invention relates to a surrounding floating type blood sampling device.
Background
The heparin tube is the medical instrument that the hospital used commonly when taking blood for patient, and the heparin tube generally comprises body and tube cap, and current heparin tube adopts plastics or glass to make, and the body of heparin tube generally is holistic tubular structure, need change the body of different specification length when the liquid of different volumes is gathered to needs, so brought inconvenience for the use, if can develop a volume adjustable heparin tube, then will greatly improve the use flexibility and the application range of heparin tube.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a surrounding floating type blood sampling device which can flexibly adjust the capacity of a blood sampling tube.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
A surrounding floating type blood sampling device comprises an air bag, a connecting cylinder, a floating driving mechanism and a blood sampling assembly; the upper end and the periphery of the connecting cylinder are closed, and the lower end of the connecting cylinder is opened; the blood sampling assembly comprises an upper blood sampling tube, a connecting ring, a sealing ring, a conical floating ring sleeve and a lower blood sampling tube; the lower end of the upper blood collection tube is inserted into the connecting cylinder from the middle of the upper end of the connecting cylinder, and the upper blood collection tube and the connecting cylinder are fixed; the upper end of the upper blood collection tube extends to the outer side of the upper end of the connecting cylinder; the air bag is communicated and arranged at the upper end of the upper blood collection tube; the sealing ring is tightly sleeved on the outer side of the periphery of the lower part of the upper blood collection tube; the connecting ring is fixedly arranged on the outer side of the periphery of the sealing ring; the lower end of the periphery of the outer side of the connecting ring is fixedly provided with the periphery of the upper end of the conical floating ring sleeve; the periphery of the lower end of the conical floating ring sleeve is communicated and fixed with the upper end of the lower blood collection tube; the upper end of the lower blood collection tube is positioned in the connecting cylinder, and the lower end of the lower blood collection tube extends to the outer side of the lower end of the connecting cylinder; the conical floating ring sleeve, the connecting ring and the sealing ring form an annular cavity; the lower end of the upper blood collection tube is positioned in the annular cavity; the floating driving mechanism is arranged on one side of the connecting cylinder; the floating driving mechanism controls the annular cavity to float up and down on the outer side of the periphery of the lower end of the upper blood collection tube.
Furthermore, the floating driving mechanism comprises a driving plate, a transition wheel, a driving column and a connecting block; one side of the connecting cylinder is provided with an installation notch; the connecting block is arranged on one side of the upper end of the connecting ring; the lower end of the driving column is rotatably clamped at the upper end of the connecting block; one side of the driving column is meshed and connected with a gear on one side of the transition wheel; the transition wheel is rotationally connected to the mounting notch of the connecting cylinder; the other side of the transition wheel is meshed with one side of the driving plate; the upper end of the driving plate is slidably clamped at the outer side of the upper end of the connecting cylinder.
Furthermore, the transition wheel and the driving column are respectively of a worm wheel structure and a worm rod structure; the driving plate is a toothed plate structure with a rack arranged on one side.
Further, the driving plate is positioned on the outer side of the connecting cylinder.
Furthermore, the floating driving mechanism also comprises a stop screw rod; the lower end of the driving plate is provided with a stop threaded hole; the stop screw is in threaded rotary connection with the stop threaded hole; the inner end of the stop screw is rotationally pressed on the outer side wall of the connecting cylinder.
Furthermore, the other side of the upper end of the connecting ring is provided with a sliding clamping tooth; one side in the connecting cylinder is provided with a sliding clamping groove; the other side of the connecting ring is in sliding clamping connection with the inner sliding clamping groove of the connecting cylinder through sliding clamping teeth.
Furthermore, the middle of the upper end of the connecting cylinder is provided with a through fixing port; the outer sides of the periphery above the upper blood collection tube are fixed on the cross-connecting fixing port of the connecting cylinder.
Further, the sealing ring is made of rubber materials.
Furthermore, the longitudinal section of the connecting cylinder is of an inverted U-shaped structure.
Furthermore, the conical floating ring sleeve is in a conical structure with a large upper part and a small lower part.
The invention has the advantages of
The invention changes the structure of the original blood sampling tube, adds a blood sampling component which comprises an upper blood sampling tube, a connecting ring, a sealing ring, a conical floating ring sleeve and a lower blood sampling tube, wherein the conical floating ring sleeve, the connecting ring and the sealing ring form an annular cavity with adjustable capacity, the annular cavity is communicated and connected with the outer side of the periphery of the lower end of the upper blood sampling tube, thus the expanded space is arranged to be the radial periphery of the blood sampling tube, and the problem of inconvenient operation caused by overlong height due to axial distribution is avoided. So the blood sampling space obtains expanding, and structural design is ingenious, and it is convenient to adjust.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic structural view of the floating drive mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the surrounding floating type blood sampling device comprises an air bag 1, a connecting cylinder 2, a floating driving mechanism 4 and a blood sampling assembly 3; the upper end and the periphery of the connecting cylinder 2 are closed, and the lower end of the connecting cylinder is opened; the blood collection assembly 3 comprises an upper blood collection tube 31, a connecting ring 34, a sealing ring 35, a conical floating ring sleeve 32 and a lower blood collection tube 33; the lower end of the upper blood collection tube 31 is inserted into the connecting tube 2 from the middle of the upper end of the connecting tube 2, and the upper blood collection tube 31 and the connecting tube 2 are fixed; the upper end of the upper blood collection tube 31 extends to the outer side of the upper end of the connecting cylinder 2; the air bag 1 is communicated and arranged at the upper end of the upper blood collection tube 31; the sealing ring 35 is tightly sleeved on the outer side of the periphery of the lower part of the upper blood collection tube 31; the connecting ring 34 is fixedly arranged on the outer side of the periphery of the sealing ring 35; the lower end of the periphery of the outer side of the connecting ring 34 is fixedly provided with the periphery of the upper end of the conical floating ring sleeve 32; the periphery of the lower end of the conical floating ring sleeve 32 is communicated and fixed with the upper end of the lower blood collection tube 33; the upper end of the lower blood collection tube 33 is positioned in the connecting cylinder 2, and the lower end of the lower blood collection tube 33 extends to the outer side of the lower end of the connecting cylinder 2; the conical floating ring sleeve 32, the connecting ring 34 and the sealing ring 35 form an annular cavity 36; the lower end of the upper blood collection tube 31 is positioned in the annular cavity 36; the floating driving mechanism 4 is arranged on one side of the connecting cylinder 2; the floating driving mechanism 4 controls the annular cavity 36 to float up and down on the outer side of the periphery of the lower end of the upper blood collection tube 31.
As shown in fig. 1 and 2, further, the floating driving mechanism 4 includes a driving plate 44, a transition wheel 43, a driving column 42, and a connecting block 41; one side of the connecting cylinder 2 is provided with an installation notch 21; the connecting block 41 is arranged on one side of the upper end of the connecting ring 34; the lower end of the driving column 42 is rotationally clamped at the upper end of the connecting block 41; one side of the driving column 42 is meshed with one side of the transition wheel 43; the transition wheel 43 is rotatably connected to the mounting notch 21 of the connecting cylinder 2; the other side of the transition wheel 43 is meshed with one side of the driving plate 44; the upper end of the driving plate 44 is slidably clamped outside the upper end of the connecting cylinder 2. When the connecting block 44 moves up and down, the transition wheel 43 is driven to rotate, and the rotation of the transition wheel 43 drives the driving column to rotate and move up and down, so that the connecting block 41, the connecting ring 34, the conical floating ring sleeve 32 and the lower blood sampling tube 33 are driven to move up and down together in sequence, and the annular cavity 36 moves up and down.
As shown in fig. 1 and 2, further, the transition wheel 43 and the driving column 42 are respectively of a worm gear and a worm structure; the driving plate 44 is a toothed plate structure with a rack on one side. Further, the driving plate 44 is located outside the connecting cylinder 2. Further, the floating driving mechanism also comprises a stop screw rod 45; the lower end of the driving plate 44 is provided with a stop threaded hole; the stop screw rod 45 is in threaded rotary connection with the stop threaded hole; the inner end of the stop screw rod 45 is rotationally pressed on the outer side wall of the connecting cylinder 2. Further, the other side of the upper end of the connecting ring 34 is provided with a sliding clamping tooth 341; a sliding clamping groove 22 is formed in one side of the interior of the connecting cylinder 2; the other side of the connecting ring 34 is slidably engaged with the inner sliding engaging groove 22 of the connecting cylinder 2 through the sliding engaging teeth 341. Furthermore, the middle of the upper end of the connecting cylinder 2 is provided with a through fixing port; the outer sides of the periphery above the upper blood collection tube 31 are fixed on the penetrating and connecting fixing port of the connecting cylinder. Further, the sealing ring 35 is made of a rubber material. Further, the longitudinal section of the connecting cylinder 2 is in an inverted U-shaped structure. Further, the conical floating ring sleeve 32 is in a conical structure with a large upper part and a small lower part.
The invention changes the structure of the original blood sampling tube, adds the blood sampling component 3, the blood sampling component comprises an upper blood sampling tube 31, a connecting ring 34, a sealing ring 35, a conical floating ring sleeve 32, a lower blood sampling tube 33, the conical floating ring sleeve 32, the connecting ring 34 and the sealing ring 35 form an annular cavity 36 with adjustable capacity, the annular cavity 36 is communicated and connected with the outer side of the periphery of the lower end of the upper blood sampling tube 31, thus the space of expansion is arranged to be the radial periphery of the blood sampling tube, the problem of inconvenient operation caused by overlong height due to axial distribution is avoided, when the connecting ring 34, the sealing ring 35, the conical floating ring sleeve 32 and the lower blood sampling tube 33 are driven upwards together by a floating driving mechanism 4, the overlapped part of the annular cavity 36 and the upper blood sampling tube 31 is increased, thus the blood sampling space is compressed, when the connecting ring, the sealing ring, the conical floating ring sleeve and the lower blood sampling tube are driven downwards together by the, the overlapping part of the annular cavity 36 and the upper blood collection tube 31 is reduced, so that the blood collection space is enlarged, the structural design is ingenious, and the adjustment is convenient.
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 (10)
1. A surrounding floating type blood sampling device is characterized by comprising an air bag, a connecting cylinder, a floating driving mechanism and a blood sampling assembly; the upper end and the periphery of the connecting cylinder are closed, and the lower end of the connecting cylinder is opened; the blood sampling assembly comprises an upper blood sampling tube, a connecting ring, a sealing ring, a conical floating ring sleeve and a lower blood sampling tube; the lower end of the upper blood collection tube is inserted into the connecting cylinder from the middle of the upper end of the connecting cylinder, and the upper blood collection tube and the connecting cylinder are fixed; the upper end of the upper blood collection tube extends to the outer side of the upper end of the connecting cylinder; the air bag is communicated and arranged at the upper end of the upper blood collection tube; the sealing ring is tightly sleeved on the outer side of the periphery of the lower part of the upper blood collection tube; the connecting ring is fixedly arranged on the outer side of the periphery of the sealing ring; the lower end of the periphery of the outer side of the connecting ring is fixedly provided with the periphery of the upper end of the conical floating ring sleeve; the periphery of the lower end of the conical floating ring sleeve is communicated and fixed with the upper end of the lower blood collection tube; the upper end of the lower blood collection tube is positioned in the connecting cylinder, and the lower end of the lower blood collection tube extends to the outer side of the lower end of the connecting cylinder; the conical floating ring sleeve, the connecting ring and the sealing ring form an annular cavity; the lower end of the upper blood collection tube is positioned in the annular cavity; the floating driving mechanism is arranged on one side of the connecting cylinder; the floating driving mechanism controls the annular cavity to float up and down on the outer side of the periphery of the lower end of the upper blood collection tube.
2. The ambient floating lancing device according to claim 1, wherein said floating drive mechanism comprises a drive plate, a transition wheel, a drive post, a connection block; one side of the connecting cylinder is provided with an installation notch; the connecting block is arranged on one side of the upper end of the connecting ring; the lower end of the driving column is rotatably clamped at the upper end of the connecting block; one side of the driving column is meshed and connected with a gear on one side of the transition wheel; the transition wheel is rotationally connected to the mounting notch of the connecting cylinder; the other side of the transition wheel is meshed with one side of the driving plate; the upper end of the driving plate is slidably clamped at the outer side of the upper end of the connecting cylinder.
3. The ambient floating lancing device according to claim 2, wherein the transition wheel and drive post are of a worm gear and worm structure, respectively; the driving plate is a toothed plate structure with a rack arranged on one side.
4. The ambient floating lancing device of claim 2, wherein the drive plate is located outside of the connector barrel.
5. the ambient floating lancing device according to claim 2, wherein the floating drive mechanism further comprises a stop screw; the lower end of the driving plate is provided with a stop threaded hole; the stop screw is in threaded rotary connection with the stop threaded hole; the inner end of the stop screw is rotationally pressed on the outer side wall of the connecting cylinder.
6. The circulating floating type blood sampling device according to claim 1, wherein the other side of the upper end of the connecting ring is provided with a sliding snap tooth; one side in the connecting cylinder is provided with a sliding clamping groove; the other side of the connecting ring is in sliding clamping connection with the inner sliding clamping groove of the connecting cylinder through sliding clamping teeth.
7. The circulating floating type blood sampling device as claimed in claim 1, wherein the connecting cylinder is provided with a through fixing port in the middle of the upper end; the outer sides of the periphery above the upper blood collection tube are fixed on the cross-connecting fixing port of the connecting cylinder.
8. The ambient floating lancing device of claim 1, wherein the sealing ring is made of a rubber material.
9. The ambient floating lancing device according to claim 1, wherein the longitudinal cross section of the connector barrel is of an inverted U-shaped configuration.
10. The ambient floating lancing device of claim 1, wherein the conical floating collar is a conical structure with a large top and a small bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896774.XA CN110547812B (en) | 2019-09-23 | 2019-09-23 | Surrounding floating type blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896774.XA CN110547812B (en) | 2019-09-23 | 2019-09-23 | Surrounding floating type blood sampling device |
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| Publication Number | Publication Date |
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| CN110547812A true CN110547812A (en) | 2019-12-10 |
| CN110547812B CN110547812B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910896774.XA Active CN110547812B (en) | 2019-09-23 | 2019-09-23 | Surrounding floating type blood sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| 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 |
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|---|---|
| CN110547812B (en) | 2022-05-27 |
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