CN111579299B - Swift blood sampling device - Google Patents
Swift blood sampling device Download PDFInfo
- Publication number
- CN111579299B CN111579299B CN202010446994.5A CN202010446994A CN111579299B CN 111579299 B CN111579299 B CN 111579299B CN 202010446994 A CN202010446994 A CN 202010446994A CN 111579299 B CN111579299 B CN 111579299B
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- blood collection
- ring sleeve
- collection tube
- periphery
- clamping ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1472—Devices not actuated by pressure difference
- G01N2001/149—Capillaries; Sponges
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- External Artificial Organs (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a rapid blood sampling device which comprises a containing tank, a closing cap, a telescopic blood sampling mechanism and a connecting plate, wherein the connecting plate is arranged on the containing tank; according to the invention, the upper clamping ring sleeve and the lower penetrating ring sleeve move downwards by rotating and pressing the driving screw, so that the blood collection tube, the clamping ring and the connecting ring move downwards together from the center of the elastic membrane, and the lower end of the blood collection tube is contacted with the accommodating tank to collect liquid, thus the operation efficiency is improved, and the blood collection tube is not required to be pinched by hands all the time, so that the use is inconvenient.
Description
Technical Field
The invention relates to a rapid blood sampling device.
Background
The blood collection tube is a common tool for medical departments such as hospitals to analyze blood, and is made of a glass tube with smaller inner diameter and two open ends and communicated with each other, one end of the blood collection tube is contacted with the blood to be collected when the blood is collected, and the blood to be collected automatically enters the blood collection tube by utilizing the capillary principle; but need different collection volume to different experiments, if at this moment through the operator hold the heparin tube one by one and gather, will lead to taking a blood sample inconvenient, inefficiency, waste time and energy with certainty, if concentrate a plurality of heparin tubes in a container and gather fast, need not the operator and hold the heparin tube always, will improve collection efficiency, improved the use impression of operator moreover.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a rapid blood sampling device which is convenient to use and efficient to collect.
In order to solve the problems, the invention adopts the following technical scheme:
a rapid blood sampling device comprises a containing tank, a closing cover, a telescopic blood sampling mechanism and a connecting plate; the accommodating tank is of a structure with the periphery and the bottom closed and the upper end open; the closing cover is of an inverted U-shaped structure; the closing cover is rotatably arranged at the upper end of the accommodating tank; the connecting plate is arranged in the closed cover; a plurality of through holes are uniformly formed in the connecting plate; elastic films are respectively arranged on the through holes; a plurality of threaded holes are uniformly formed in the sealing cover; the centers of the threaded hole and the through hole are respectively arranged up and down correspondingly; the telescopic blood sampling mechanism comprises a driving screw, a blood sampling tube, an upper clamping ring sleeve and a lower penetrating ring sleeve; the elastic membrane is respectively movably connected with a blood sampling tube in a penetrating way; the lower end of the blood collection tube extends into the accommodating tank; the upper end of the blood collection tube extends to the lower side of the sealing cover; the longitudinal section of the lower cross-connection ring sleeve is of a U-shaped structure; the upper end of the blood collection tube passes through the middle of the bottom of the lower cross-connection annular sleeve and extends into the lower cross-connection annular sleeve; the outer side of the periphery of the lower cross-connection ring sleeve is provided with an external thread ring surface; an inner thread ring surface is arranged on the outer side of the periphery of the upper clamping ring sleeve; the longitudinal section of the upper clamping ring sleeve is of an inverted U-shaped structure; the upper clamping ring sleeve is rotationally connected to the outer thread ring surface on the outer side of the periphery of the lower threading ring sleeve through the inner thread ring surface threads; threaded holes in the sealing cover are respectively threaded with a driving screw rod; the upper end of the upper clamping ring sleeve is rotationally clamped at the lower end of the driving screw.
Further, a clamping ring is arranged in the center of the elastic membrane; the outer sides of the periphery of the middle of the blood collection tube are provided with connecting rings; an annular groove is formed in the periphery of the middle of the connecting ring; the connecting ring is made of elastic rubber; the blood collection tube is clamped on the clamping ring in the center of the elastic membrane through the annular groove of the connecting ring.
Further, a rotary clamping groove is formed in the lower end of the driving screw; the upper end of the upper clamping ring sleeve is provided with rotary clamping teeth; the upper clamping ring sleeve is rotationally clamped in a rotary clamping groove at the lower end of the driving screw through a rotary clamping tooth at the upper end; the rotary clamping groove and the rotary clamping teeth are of T-shaped structures.
Further, the inner wall around the upper end of the accommodating tank is in threaded rotary connection with the outer side around the lower end of the sealing cover.
Further, a liquid inlet pipe is arranged at one side of the bottom of the accommodating tank.
Further, the elastic membrane is made of a rubber material.
Further, the side part of the upper end of the blood collection tube is provided with an opening.
The beneficial effects of the invention are that
1. According to the invention, the upper clamping ring sleeve and the lower penetrating ring sleeve move downwards by rotating and pressing the driving screw, so that the blood collection tube, the clamping ring and the connecting ring move downwards together from the center of the elastic membrane, and the lower end of the blood collection tube is contacted with the accommodating tank to collect liquid, thus the operation efficiency is improved, and the blood collection tube is not required to be pinched by hands all the time, so that the use is inconvenient.
2. The blood collection tube is clamped on the clamping ring in the center of the elastic membrane through the annular groove of the connecting ring, and the connecting ring is made of elastic rubber, so that the connecting ring and the clamping ring can be disassembled through external force, and then the upper clamping ring sleeve and the lower threading ring sleeve are rotationally separated through threads, so that the blood collection tube is disassembled; the upper end of the blood collection tube passes through the middle of the bottom of the lower cross-connection annular sleeve and extends into the lower cross-connection annular sleeve, so that the upper end of the blood collection tube can be sleeved with an external air bag to extrude liquid, and the structural design is ingenious.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the blood collection tube of the present invention when the blood collection tube is not pressed.
Fig. 3 is a schematic structural view of the blood collection tube of the present invention when being pressed downward.
FIG. 4 is an enlarged schematic view of the upper and lower snap-in collars 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 to 4, a rapid blood sampling device comprises a holding tank 1, a closing cap 2, a telescopic blood sampling mechanism 4 and a connecting plate 3; the accommodating tank 1 is of a structure with the periphery and the bottom closed and the upper end open; the closing cover 2 is of an inverted U-shaped structure; the closing cover 2 is rotatably arranged at the upper end of the accommodating tank 1; the connecting plate 3 is arranged inside the closing cover 2; a plurality of through holes 31 are uniformly formed in the connecting plate 3; the through holes 31 are respectively provided with an elastic membrane 32; a plurality of threaded holes 21 are uniformly formed in the sealing cover 2; the centers of the threaded hole 21 and the through hole 31 are respectively arranged correspondingly up and down; the telescopic blood sampling mechanism 4 comprises a driving screw 41, a blood sampling tube 42, an upper clamping ring sleeve 43 and a lower penetrating ring sleeve 44; the elastic membrane 32 is respectively movably connected with a blood collection tube 42 in a penetrating way; the lower end of the blood collection tube 42 extends into the accommodating tank 1; the upper end of the blood collection tube 42 extends to the lower side of the closing cover 2; the longitudinal section of the lower cross-over sleeve 44 is in a U-shaped structure; the upper end of the blood collection tube 42 passes through the middle of the bottom of the lower cross-connection loop 44 and extends into the lower cross-connection loop 44; the outer side of the periphery of the lower cross-over ring sleeve 44 is provided with an external thread ring surface; an inner thread ring surface is arranged on the outer side of the periphery of the upper clamping ring sleeve 43; the longitudinal section of the upper clamping ring sleeve 43 is of an inverted U-shaped structure; the upper clamping ring sleeve 43 is rotationally connected to the outer thread ring surface on the outer side of the periphery of the lower threading ring sleeve 44 through the inner thread ring surface thread; a driving screw 41 is respectively connected with the screw holes 21 on the closing cover 2 in a threaded and threaded way; the upper end of the upper clamping ring sleeve 43 is rotatably clamped at the lower end of the driving screw 41.
As shown in fig. 1 to 4, it is further preferable that the elastic membrane 32 is provided with a snap ring 33 at the center thereof; the clamping ring 33 can be made of stainless steel; the middle periphery of the blood collection tube 42 is provided with a connecting ring 34 at the outer side; annular grooves 341 are formed around the middle of the connecting ring 34; the connecting ring 34 is made of elastic rubber; the blood collection tube 42 is clamped on the clamping ring 33 in the center of the elastic membrane 32 through the annular groove 341 of the connecting ring 34. Further, a rotary clamping slot 411 is arranged at the lower end of the driving screw 41; the upper end of the upper clamping ring sleeve 43 is provided with a rotary clamping tooth 431; the upper clamping ring sleeve 43 is rotationally clamped in the rotary clamping slot 411 at the lower end of the driving screw 41 through the rotary clamping teeth 431 at the upper end; the rotary clamping slot 411 and the rotary clamping teeth 431 are both in a T-shaped structure. Further, the inner wall around the upper end of the accommodating tank 1 is in threaded rotary connection with the outer side around the lower end of the sealing cover 2. Further, a liquid inlet pipe is arranged at one side of the bottom of the accommodating tank 1. Further, the elastic membrane 32 is made of a rubber material. Further, an opening is provided at the side portion of the upper end of the blood collection tube 42.
According to the invention, the upper clamping ring sleeve 43 and the lower penetrating ring sleeve 44 move downwards through the rotary abutting of the driving screw 41, so that the blood collection tube 42, the clamping ring 33 and the connecting ring 34 are driven to move downwards together from the center of the elastic membrane 32, and the lower end of the blood collection tube 42 is in contact with the accommodating tank 1 to collect liquid, thus the operation efficiency is improved, and the blood collection tube 42 is not required to be pinched by hands all the time, so that the use is inconvenient. The blood collection tube 42 is clamped on the clamping ring 33 in the center of the elastic membrane 32 through the annular groove 341 of the connecting ring 34, and the connecting ring 34 is made of elastic rubber, so that the connecting ring 34 and the clamping ring 33 can be disassembled by external force, and then the upper clamping ring sleeve 43 and the lower penetrating ring sleeve 44 are separated by screw thread rotation, so that the blood collection tube 42 is disassembled; the upper end of the blood collection tube 42 passes through the middle of the bottom of the lower cross-connection ring sleeve 44 and extends into the lower cross-connection ring sleeve 44, so that the upper end of the blood collection tube 42 can be sleeved with an external air bag to extrude liquid, and the structural design is ingenious.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The rapid blood sampling device is characterized by comprising a containing tank, a closing cover, a telescopic blood sampling mechanism and a connecting plate; the accommodating tank is of a structure with the periphery and the bottom closed and the upper end open; the closing cover is of an inverted U-shaped structure; the closing cover is rotatably arranged at the upper end of the accommodating tank; the connecting plate is arranged in the closed cover; a plurality of through holes are uniformly formed in the connecting plate; elastic films are respectively arranged on the through holes; a plurality of threaded holes are uniformly formed in the sealing cover; the centers of the threaded hole and the through hole are respectively arranged up and down correspondingly; the telescopic blood sampling mechanism comprises a driving screw, a blood sampling tube, an upper clamping ring sleeve and a lower penetrating ring sleeve; the elastic membrane is respectively movably connected with a blood sampling tube in a penetrating way; the lower end of the blood collection tube extends into the accommodating tank; the upper end of the blood collection tube extends to the lower side of the sealing cover; the longitudinal section of the lower cross-connection ring sleeve is of a U-shaped structure; the upper end of the blood collection tube passes through the middle of the bottom of the lower cross-connection annular sleeve and extends into the lower cross-connection annular sleeve; the outer side of the periphery of the lower cross-connection ring sleeve is provided with an external thread ring surface; an inner thread ring surface is arranged on the outer side of the periphery of the upper clamping ring sleeve; the longitudinal section of the upper clamping ring sleeve is of an inverted U-shaped structure; the upper clamping ring sleeve is rotationally connected to the outer thread ring surface on the outer side of the periphery of the lower threading ring sleeve through the inner thread ring surface threads; threaded holes in the sealing cover are respectively threaded with a driving screw rod; the upper end of the upper clamping ring sleeve is rotationally clamped at the lower end of the driving screw; a clamping ring is arranged in the center of the elastic membrane; the outer sides of the periphery of the middle of the blood collection tube are provided with connecting rings; an annular groove is formed in the periphery of the middle of the connecting ring; the connecting ring is made of elastic rubber; the blood collection tube is clamped on the clamping ring in the center of the elastic membrane through the annular groove of the connecting ring; the lower end of the driving screw is provided with a rotary clamping groove; the upper end of the upper clamping ring sleeve is provided with rotary clamping teeth; the upper clamping ring sleeve is rotationally clamped in a rotary clamping groove at the lower end of the driving screw through a rotary clamping tooth at the upper end; the rotary clamping groove and the rotary clamping teeth are of T-shaped structures.
2. The rapid blood collection device of claim 1, wherein the inner wall of the periphery of the upper end of the accommodating tank is rotatably connected with the outer side of the periphery of the lower end of the closing cap by threads.
3. The rapid blood collection device of claim 1, wherein a liquid inlet tube is provided on one side of the bottom of the accommodating tank.
4. The rapid lancing device of claim 1, wherein the elastic membrane is made of a rubber material.
5. The rapid blood collection device of claim 1, wherein the side of the upper end of the blood collection tube is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446994.5A CN111579299B (en) | 2020-05-25 | 2020-05-25 | Swift blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446994.5A CN111579299B (en) | 2020-05-25 | 2020-05-25 | Swift blood sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN111579299A CN111579299A (en) | 2020-08-25 |
| CN111579299B true CN111579299B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010446994.5A Active CN111579299B (en) | 2020-05-25 | 2020-05-25 | Swift blood sampling device |
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| Country | Link |
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| CN (1) | CN111579299B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262830B (en) * | 2021-05-14 | 2023-03-14 | 江苏科华医疗器械科技有限公司 | Dual regulation formula blood sampling liquid-transfering device |
| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4021355A1 (en) * | 1989-10-09 | 1991-04-18 | Sarstedt Walter Geraete | Removing blood from patient's vein - involves catheter connected to evacuated tube |
| JP2003225227A (en) * | 2002-01-31 | 2003-08-12 | Yamatake Corp | Collecting container, collecting device and collecting method |
| CN205749010U (en) * | 2016-06-13 | 2016-11-30 | 周晓阳 | It is applicable to the urine collecting cup of pregnant and lying-in women |
| CN110547811A (en) * | 2019-09-23 | 2019-12-10 | 江苏科华医疗器械科技有限公司 | Detachable blood collection tube |
| CN110954372A (en) * | 2020-01-03 | 2020-04-03 | 华中科技大学同济医学院附属协和医院 | Hemocyte analyzer is with device of drawing blood |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934213B (en) * | 2017-02-09 | 2020-02-04 | 上海创司杰医疗科技有限公司 | Intelligent full-automatic blood sampling management system and control method thereof |
| CN108525866B (en) * | 2018-03-30 | 2020-12-22 | 江苏科华医疗器械科技有限公司 | Centrifugal liquid collecting device based on eccentric wheel |
| CN110547812B (en) * | 2019-09-23 | 2022-05-27 | 江苏科华医疗器械科技有限公司 | Surrounding floating type blood sampling device |
| CN110575184B (en) * | 2019-09-24 | 2021-12-03 | 江苏科华医疗器械科技有限公司 | Stepless regulation type range blood sampling device |
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2020
- 2020-05-25 CN CN202010446994.5A patent/CN111579299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4021355A1 (en) * | 1989-10-09 | 1991-04-18 | Sarstedt Walter Geraete | Removing blood from patient's vein - involves catheter connected to evacuated tube |
| JP2003225227A (en) * | 2002-01-31 | 2003-08-12 | Yamatake Corp | Collecting container, collecting device and collecting method |
| CN205749010U (en) * | 2016-06-13 | 2016-11-30 | 周晓阳 | It is applicable to the urine collecting cup of pregnant and lying-in women |
| CN110547811A (en) * | 2019-09-23 | 2019-12-10 | 江苏科华医疗器械科技有限公司 | Detachable blood collection tube |
| CN110954372A (en) * | 2020-01-03 | 2020-04-03 | 华中科技大学同济医学院附属协和医院 | Hemocyte analyzer is with device of drawing blood |
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| Title |
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| "Automated end-to-end blood testing at the point-of-care: Integration of robotic phlebotomy with downstream sample processing";M.L. Balte r等;《TECHNOLOGY》;第 59-66页 * |
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| CN111579299A (en) | 2020-08-25 |
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