CN111579299A - Swift blood sampling device - Google Patents
Swift blood sampling device Download PDFInfo
- Publication number
- CN111579299A CN111579299A CN202010446994.5A CN202010446994A CN111579299A CN 111579299 A CN111579299 A CN 111579299A CN 202010446994 A CN202010446994 A CN 202010446994A CN 111579299 A CN111579299 A CN 111579299A
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- China
- Prior art keywords
- ring sleeve
- blood collection
- blood sampling
- ring
- periphery
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Classifications
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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
Abstract
The invention discloses a quick blood sampling device which comprises an accommodating tank, a sealing cover, a telescopic blood sampling mechanism and a connecting plate, wherein the accommodating tank is provided with a sealing cover; according to the invention, the upper clamping ring sleeve and the lower penetrating ring sleeve move downwards by rotating and pressing the driving screw rod, so that the blood sampling tube, the clamping ring and the connecting ring are driven to move downwards from the center of the elastic membrane together, and the lower end of the blood sampling tube is in contact with the containing tank to collect liquid, so that the operation efficiency is improved, and inconvenience in use caused by the fact that the blood sampling tube is pinched all the time by hands is avoided.
Description
Technical Field
The invention relates to a quick blood sampling device.
Background
The blood collecting tube is a common tool used in medical departments such as hospitals for analyzing blood, and is made of a glass tube with a smaller inner diameter and two open ends which are communicated, one end of the blood collecting tube is contacted with the blood to be collected when the blood is collected, and the blood to be collected automatically enters the blood collecting tube by utilizing the capillary principle; but to the different collection volume of different experimental needs, if at this moment take the heparin tube through the hand of operator one and gather, must lead to the blood sampling inconvenient, inefficiency, waste time and energy, if gather in a container fast with a plurality of heparin tubes, need not the operator hand and take the heparin tube always, will improve collection efficiency, improved operator's use impression moreover.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a quick blood sampling device with convenient use and high collection efficiency.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a quick blood sampling device comprises a containing tank, a closed cover, a telescopic blood sampling mechanism and a connecting plate; the containing tank is of a structure with the periphery and the bottom closed and the upper end opened; the sealing 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 inside the sealing cover; a plurality of through holes are uniformly formed in the connecting plate; the through holes are respectively provided with an elastic film; 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 rod, a blood sampling tube, an upper clamping ring sleeve and a lower penetrating ring sleeve; the elastic membranes are respectively movably connected with a blood collection tube in a penetrating way; the lower end of the blood collection tube extends into the containing 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-linking ring sleeve is of a U-shaped structure; the upper end of the blood collection tube penetrates through the middle of the bottom of the lower penetrating ring sleeve and extends into the lower penetrating ring sleeve; the outer side of the periphery of the lower penetrating ring sleeve is provided with an external thread ring surface; the outer sides of the periphery of the upper clamping ring sleeve are provided with inner thread ring surfaces; the longitudinal section of the upper clamping ring sleeve is of an inverted U-shaped structure; the upper clamping ring sleeve is rotatably connected to the outer side of the periphery of the lower penetrating ring sleeve through the inner thread ring surface; a driving screw rod is respectively threaded in the threaded holes on the sealing cover; the upper end of the upper clamping ring sleeve is rotatably clamped at the lower end of the driving screw rod.
Furthermore, a clamping ring is arranged in the center of the elastic membrane; connecting rings are arranged on the outer sides of the periphery of the middle of the blood collection tube; 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 sampling tube is clamped on the clamping ring at the center of the elastic membrane through the annular groove of the connecting ring.
Further, 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 a rotary clamping tooth; the upper clamping ring sleeve is rotationally clamped in the rotary clamping groove at the lower end of the driving screw rod through the rotary clamping tooth at the upper end; the rotary clamping groove and the rotary clamping teeth are both of T-shaped structures.
Furthermore, the inner wall around the upper end of the containing tank is in threaded rotary connection with the outer side around the lower end of the sealing cover.
Further, one side of the bottom of the containing tank is provided with a liquid inlet pipe.
Further, the elastic membrane is made of a rubber material.
Further, the lateral part of the upper end of the blood collection tube is provided with an opening.
The invention has the advantages of
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 rod, so that the blood sampling tube, the clamping ring and the connecting ring are driven to move downwards from the center of the elastic membrane together, and the lower end of the blood sampling tube is in contact with the containing tank to collect liquid, so that the operation efficiency is improved, and inconvenience in use caused by the fact that the blood sampling tube is pinched all the time by hands is avoided.
2. The blood sampling tube is clamped on the clamping ring at 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 penetrating ring sleeve are separated in a threaded rotating mode, so that the blood sampling tube is disassembled; the upper end of the blood collection tube penetrates through the middle of the bottom of the lower penetrating ring sleeve and extends into the lower penetrating ring sleeve, so that liquid can be extruded out by sleeving the upper end of the blood collection tube through the external air bag, and the structure design is ingenious.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the blood collection tube of the present invention without being pressed.
FIG. 3 is a schematic view of the blood collection tube of the present invention when pressed downward.
FIG. 4 is an enlarged view of the upper snap ring and the lower pierce ring 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 quick blood sampling device comprises a containing tank 1, a closed cover 2, a telescopic blood sampling mechanism 4 and a connecting plate 3; the containing tank 1 is of a structure with closed periphery and bottom and an open upper end; 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 film 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 up and down correspondingly; the telescopic blood sampling mechanism 4 comprises a driving screw rod 41, a blood sampling tube 42, an upper clamping ring sleeve 43 and a lower penetrating ring sleeve 44; a blood collection tube 42 is movably connected to the elastic membranes 32 in a penetrating manner; the lower end of the blood collection tube 42 extends into the container 1; the upper end of the blood collection tube 42 extends to the lower side of the closing cap 2; the longitudinal section of the lower cross-linking ring sleeve 44 is of a U-shaped structure; the upper end of the blood collection tube 42 passes through the middle of the bottom of the lower penetration ring sleeve 44 and extends into the lower penetration ring sleeve 44; the outer side of the periphery of the lower penetrating ring sleeve 44 is provided with an external thread ring surface; the outer sides of the periphery of the upper clamping ring sleeve 43 are provided with inner thread ring surfaces; the longitudinal section of the upper clamping ring sleeve 43 is of an inverted U-shaped structure; the upper clamping ring sleeve 43 is rotatably connected to the outer thread ring surface on the outer side of the periphery of the lower penetrating ring sleeve 44 through the inner thread ring surface; a driving screw rod 41 is threaded in the threaded hole 21 on the closing cover 2; the upper end of the upper clamping ring sleeve 43 is rotatably clamped at the lower end of the driving screw rod 41.
As shown in fig. 1 to 4, it is further preferable that a snap ring 33 is provided at the center of the elastic membrane 32; the snap ring 33 may be made of stainless steel; the outer sides of the periphery of the middle of the blood collection tube 42 are provided with connecting rings 34; an annular groove 341 is formed around the middle of the connecting ring 34; the connection ring 34 is made of elastic rubber; the blood collection tube 42 is clamped on the clamping ring 33 at the center of the elastic membrane 32 through the annular groove 341 of the connecting ring 34. Further, the lower end of the driving screw 41 is provided with a rotary clamping groove 411; 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 rotatably clamped in the rotary clamping groove 411 at the lower end of the driving screw 41 through the rotary clamping tooth 431 at the upper end; the rotary latch slot 411 and the rotary latch tooth 431 both have a T-shaped structure. Furthermore, the inner wall of the periphery of the upper end of the containing tank 1 is in threaded rotary connection with the outer side of the periphery of the lower end of the closing cover 2. Further, one side of the bottom of the accommodating tank 1 is provided with a liquid inlet pipe. Further, the elastic membrane 32 is made of a rubber material. Further, an opening is formed in 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 by the rotation and pressing of the driving screw rod 41, so that the blood sampling tube 42, the clamping ring 33 and the connecting ring 34 are driven to move downwards from the center of the elastic membrane 32 together, and the lower end of the blood sampling tube 42 is in contact with the containing tank 1 to collect liquid, so that the operation efficiency is improved, and the inconvenience in use caused by the fact that a person holds the blood sampling tube 42 all the time is avoided. The blood collection tube 42 of the invention is clamped on the clamping ring 33 of the center 32 of the elastic membrane through the annular groove 341 of the connecting ring 34, and because the connecting ring 34 is made of elastic rubber, the connecting ring 34 and the clamping ring 33 can be disassembled through 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 of the invention passes through the middle of the bottom of the lower penetrating ring sleeve 44 and extends into the lower penetrating ring sleeve 44, so that the upper end of the blood collection tube 42 can be sleeved by an external air bag for extruding liquid, and the structure design is ingenious.
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 quick blood sampling device is characterized by comprising an accommodating tank, a closed cover, a telescopic blood sampling mechanism and a connecting plate; the containing tank is of a structure with the periphery and the bottom closed and the upper end opened; the sealing 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 inside the sealing cover; a plurality of through holes are uniformly formed in the connecting plate; the through holes are respectively provided with an elastic film; 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 rod, a blood sampling tube, an upper clamping ring sleeve and a lower penetrating ring sleeve; the elastic membranes are respectively movably connected with a blood collection tube in a penetrating way; the lower end of the blood collection tube extends into the containing 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-linking ring sleeve is of a U-shaped structure; the upper end of the blood collection tube penetrates through the middle of the bottom of the lower penetrating ring sleeve and extends into the lower penetrating ring sleeve; the outer side of the periphery of the lower penetrating ring sleeve is provided with an external thread ring surface; the outer sides of the periphery of the upper clamping ring sleeve are provided with inner thread ring surfaces; the longitudinal section of the upper clamping ring sleeve is of an inverted U-shaped structure; the upper clamping ring sleeve is rotatably connected to the outer side of the periphery of the lower penetrating ring sleeve through the inner thread ring surface; a driving screw rod is respectively threaded in the threaded holes on the sealing cover; the upper end of the upper clamping ring sleeve is rotatably clamped at the lower end of the driving screw rod.
2. The quick blood collection device of claim 1, wherein the elastic membrane is provided with a snap ring at the center; connecting rings are arranged on the outer sides of the periphery of the middle of the blood collection tube; 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 sampling tube is clamped on the clamping ring at the center of the elastic membrane through the annular groove of the connecting ring.
3. The quick blood sampling device according to claim 1, wherein a rotary clamping groove is formed at the lower end of the driving screw rod; the upper end of the upper clamping ring sleeve is provided with a rotary clamping tooth; the upper clamping ring sleeve is rotationally clamped in the rotary clamping groove at the lower end of the driving screw rod through the rotary clamping tooth at the upper end; the rotary clamping groove and the rotary clamping teeth are both of T-shaped structures.
4. The quick blood collection device according to claim 1, wherein the inner wall of the container tank around the upper end thereof is in threaded rotary connection with the outer side of the closure cap around the lower end thereof.
5. The quick blood collection device according to claim 1, wherein an inlet tube is provided at one side of the bottom of the holding tank.
6. The quick blood collection device of claim 1, wherein the resilient membrane is made of a rubber material.
7. The quick blood collection device according to claim 1, wherein the side portion 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111579299A true CN111579299A (en) | 2020-08-25 |
| CN111579299B 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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| CN (1) | CN111579299B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111579299B (en) | 2023-07-21 |
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