CN110584681A - Sealed dismantlement formula blood sampling device - Google Patents
Sealed dismantlement formula blood sampling device Download PDFInfo
- Publication number
- CN110584681A CN110584681A CN201910896762.7A CN201910896762A CN110584681A CN 110584681 A CN110584681 A CN 110584681A CN 201910896762 A CN201910896762 A CN 201910896762A CN 110584681 A CN110584681 A CN 110584681A
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- Prior art keywords
- ring
- sealing
- blood collection
- collection tube
- connecting cylinder
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Classifications
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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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
Abstract
The invention discloses a sealed detachable blood sampling device, which comprises an air bag, a connecting cylinder, a floating driving mechanism, a blood sampling assembly and an adjusting assembly, wherein the air bag is connected with the connecting cylinder; 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 elastic ring membrane, a lower blood sampling tube, a sealing internal thread ring, a sealing abutting ring, a sealing ring and a clamping sealing ring; the sealing internal thread ring around the lower part of the bottom of the conical elastic ring membrane is rotationally connected with the external thread ring at the upper end of the lower blood sampling tube in a threaded manner, the sealing abutting ring around the inner side of the bottom of the conical elastic ring membrane tightly abuts against the upper end surface of the sealing ring in the sealing ring groove, and the conical elastic ring membrane is embedded into the clamping sealing groove around the lower end of the connecting ring in a sealing and clamping manner through the clamping sealing ring around the upper end, so that the conical elastic ring membrane is movably connected with the lower blood sampling tube, the sealing performance is guaranteed, and the conical elastic ring membrane is more convenient to replace.
Description
Technical Field
The invention relates to a sealed detachable blood sampling device.
Background
The heparin tube is the medical instrument that the hospital used commonly when taking blood for patient, the heparin tube generally comprises body and tube cap, current heparin tube adopts plastics or glass to make, 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, so will greatly improve the use flexibility and the application range of heparin tube, need improve the convenience of dismantling the installation in addition.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the sealing detachable blood sampling device is convenient to detach and install and capable of flexibly adjusting the volume of the blood sampling tube.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a sealed detachable blood sampling device comprises an air bag, a connecting cylinder, a floating driving mechanism, a blood sampling assembly and an adjusting 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 elastic ring membrane, a lower blood sampling tube, a sealing internal thread ring, a sealing abutting ring, a sealing ring and a clamping sealing ring; the conical elastic ring membrane is made of high-elastic rubber material; 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 elastic ring membrane; the periphery of the lower end of the conical elastic ring membrane 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; two sides of the lower blood collection tube are fixed through a positioning rod and a connecting cylinder; the conical elastic ring film, the connecting ring and the sealing ring form a conical cavity; the lower end of the upper blood collection tube is positioned in the conical cavity; the floating driving mechanism is arranged on one side of the connecting cylinder; the floating driving mechanism controls the conical cavity to perform radial and axial double floating on the outer side of the periphery of the lower end of the upper blood collection tube; the outer side of the periphery below the lower blood collection tube is provided with an external thread section; the adjusting assembly comprises an adjusting internal thread ring and an extrusion ring; the adjusting internal thread ring is in threaded rotary connection with the external thread section around the lower part of the lower blood collection tube; the extrusion ring is sleeved outside the lower blood collection tube; the periphery of the lower end of the extrusion ring is arranged at the upper end of the adjusting internal thread ring; the inner side of the upper end of the extrusion ring is provided with a large-upper-part and small-lower-part abutting ring surface; the adjusting internal thread ring drives the extrusion ring to move upwards when the upper thread of the lower blood collection tube rotates upwards, so that the extrusion ring extrudes the conical elastic ring membrane into the inner side of the periphery of the extrusion ring; a sealing pressing ring is arranged on the periphery of the inner side of the bottom of the conical elastic ring film; a sealing internal thread ring is arranged around the lower part of the bottom of the conical elastic ring film; the outer side of the periphery of the upper end of the lower blood collection tube is provided with an external thread ring, and the upper end surface of the lower blood collection tube is provided with a sealing ring groove; the sealing ring is arranged in a sealing ring groove of the lower blood collection tube; the sealing internal thread ring around the lower part of the bottom of the conical elastic ring membrane is in threaded rotary connection with the external thread ring at the upper end of the lower blood collection tube; the sealing abutting ring on the periphery of the inner side of the bottom of the conical elastic ring film tightly abuts against the upper end face of the sealing ring in the sealing ring groove; the periphery of the upper end of the conical elastic ring film is provided with a clamping sealing ring; the periphery of the lower end of the connecting ring is provided with a clamping sealing groove; the conical elastic ring film is embedded into the clamping seal groove around the lower end of the connecting ring in a sealed clamping mode through the clamping seal ring around the upper end.
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 elastic ring membrane is in a conical structure with a large upper part and a small lower part.
The invention has the advantages of
1. The sealing internal thread ring around the lower part of the bottom of the conical elastic ring membrane is rotationally connected with the external thread ring at the upper end of the lower blood sampling tube in a threaded manner, the sealing abutting ring around the inner side of the bottom of the conical elastic ring membrane tightly abuts against the upper end surface of the sealing ring in the sealing ring groove, and the conical elastic ring membrane is embedded into the clamping sealing groove around the lower end of the connecting ring in a sealing and clamping manner through the clamping sealing ring around the upper end, so that the conical elastic ring membrane is movably connected with the lower blood sampling tube, the sealing performance is ensured, and meanwhile, due to the arrangement of the sealing ring groove, leaked trace liquid can be collected in the sealing ring groove in case of leakage, and cannot leak out to pollute the outside.
2. The invention changes the structure of the original blood sampling tube, and adds a blood sampling assembly, wherein the blood sampling assembly comprises an upper blood sampling tube, a connecting ring, a sealing ring, a conical elastic ring membrane and a lower blood sampling tube, the conical elastic ring membrane, the connecting ring and the sealing ring form a conical cavity with adjustable capacity, the conical 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, the problem of inconvenient operation due to overlong height caused by axial distribution is avoided, and when the connecting ring, the sealing ring and the conical elastic ring membrane are driven up and down by a floating driving mechanism, the conical elastic ring membrane realizes radial and axial movement, thereby changing the size of the conical cavity.
3. When the air bag is used for discharging air of the whole blood sampling assembly, the adjusting internal thread ring drives the extrusion ring to move upwards when the upper thread of the lower blood sampling tube rotates upwards, so that the conical elastic ring membrane is extruded into the inner side of the periphery of the extrusion ring by the extrusion ring, the conical cavity is temporarily disappeared so as to discharge the air in the conical cavity, then the lower end of the lower blood sampling tube is sent into the blood sampling container, the lower thread of the adjusting internal thread ring rotates downwards on the lower blood sampling tube to drive the extrusion ring to move downwards, the high-elastic conical elastic ring membrane can be quickly recovered, so that the conical cavity reappears, the air bag is loosened, and liquid can be pressed into the upper blood sampling tube, the lower blood sampling tube and the conical cavity, so that the air discharging function is realized, the use is more convenient, and the degree of the extrusion ring extruding the conical elastic ring membrane into the inner side of the periphery of the extrusion ring can be controlled, thereby playing the space size of supplementary regulation toper cavity, so play the purpose of the capacity size of dual regulation toper cavity.
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.
FIG. 3 is an enlarged schematic view of the adjustment assembly and blood collection assembly of the present invention.
Fig. 4 is a schematic view of the structure of the conical elastic ring membrane when the membrane is completely pressed into the inner periphery of the extrusion ring.
Fig. 5 is an enlarged schematic view of a in fig. 1.
Fig. 6 is a partially enlarged structural view of the upper end of the conical elastic ring membrane and the connection ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, a sealing and detaching type blood sampling device comprises an air bag 1, a connecting cylinder 2, a floating driving mechanism 4, a blood sampling assembly 3 and an adjusting assembly 5; 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 elastic ring membrane 32, a lower blood collection tube 33, a sealing internal thread ring 321, a sealing abutting ring 322, a sealing ring 323 and a clamping sealing ring 324; the conical elastic ring membrane 32 is made of high-elastic rubber material; 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 periphery of the upper end of the conical elastic ring membrane 32 is fixedly arranged at the lower end of the periphery of the outer side of the connecting ring 34; the periphery of the lower end of the conical elastic ring membrane 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 two sides of the lower blood collection tube 33 are fixed with the connecting cylinder 2 by the positioning rod 331; the conical elastic ring membrane 32, the connecting ring 34 and the sealing ring 35 form a conical cavity 36; the lower end of the upper blood collection tube 31 is positioned in the conical cavity 36; the floating driving mechanism 4 is arranged on one side of the connecting cylinder 2; the floating driving mechanism 4 controls the conical cavity 3 to perform double floating in the radial direction and the axial direction on the outer side of the periphery of the lower end of the upper blood collection tube 31; the outer side of the periphery below the lower blood collection tube 33 is provided with an external thread section; the adjusting assembly 5 comprises an adjusting internal thread ring 52 and a pressing ring 51; the adjusting internal thread ring 52 is in threaded rotary connection with the external thread section around the lower part of the lower blood collection tube 33; the extrusion ring 51 is sleeved outside the lower blood collection tube 33; the periphery of the lower end of the extrusion ring 51 is arranged at the upper end of the adjusting internal thread ring 52; the inner side of the upper end of the extrusion ring 51 is provided with an abutting ring surface 511 with a big top and a small bottom; the adjusting internal thread ring 52 drives the pressing ring 51 to move upwards when the threads on the lower blood collection tube 33 rotate upwards, so that the pressing ring 51 presses the conical elastic ring membrane 32 into the inner periphery of the pressing ring 51. A certain annular space is left between the pressing ring 51 and the lower blood collection tube 33. A groove can be arranged on one side of the lower part of the connecting cylinder 2 for an operator to manually rotate and adjust the internal thread ring, and the conical elastic ring membrane 32 can be always in an elastic stretching state in the invention. A sealing pressing ring 322 is arranged around the inner side of the bottom of the conical elastic ring film 32; a sealing internal thread ring 321 is arranged around the lower part of the bottom of the conical elastic ring membrane 32; an external thread ring is arranged on the outer side of the periphery of the upper end of the lower blood collection tube 33, and a sealing ring groove 332 is arranged on the upper end surface of the lower blood collection tube 33; the sealing ring 323 is arranged in the sealing ring groove 332 of the lower blood collection tube; the sealing internal thread ring 321 on the periphery below the bottom of the conical elastic ring membrane 32 is in threaded rotary connection with the external thread ring at the upper end of the lower blood collection tube 33; the sealing support 322 pressing ring around the inner side of the bottom of the conical elastic ring film 32 tightly supports against the upper end face of the sealing ring 323 in the sealing ring groove 332. A clamping sealing ring 324 is arranged around the upper end of the conical elastic ring film 32; a clamping seal groove 341 is formed around the lower end of the connecting ring 34; the conical elastic ring film 32 is inserted into a clamping seal groove 341 around the lower end of the connecting ring 34 through a clamping seal ring 324 around the upper end and is clamped in a sealing manner.
As shown in fig. 1 to 5, 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 elastic ring membrane 32 and the lower blood sampling tube 33 are driven to move up and down together in sequence, and the conical cavity 36 moves up and down.
As shown in fig. 1 to 5, 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 elastic ring film 32 is in a conical structure with a large upper part and a small lower part.
The sealing internal thread ring 321 on the periphery below the bottom of the conical elastic ring membrane 32 is in threaded rotary connection with the external thread ring at the upper end of the lower blood collection tube 33, the sealing pressing ring 322 on the periphery of the inner side of the bottom of the conical elastic ring membrane 32 tightly presses against the upper end face of the sealing ring 323 in the sealing ring groove 332, so that the conical elastic ring membrane 32 is movably connected with the lower blood collection tube 33, the sealing performance is guaranteed, and in case of leakage, leaked trace liquid can be collected in the sealing ring groove 332 due to the arrangement of the sealing ring groove 332, and cannot leak out to pollute the outside.
The invention changes the structure of the original blood collection tube, adds the blood collection assembly 3, the blood collection assembly comprises an upper blood collection tube 31, a connecting ring 34, a sealing ring 35, a conical elastic ring membrane 32 and a lower blood collection tube 33, the conical elastic ring membrane 32, the connecting ring 34 and the sealing ring 35 form a conical cavity 36 with adjustable capacity, the conical cavity 36 is communicated and connected with the outer side of the periphery of the lower end of the upper blood collection tube 31, thus the expanded space is arranged to be the radial periphery of the blood collection tube, the problem that the height is too long and inconvenient to operate due to axial distribution is avoided, when the connecting ring, the sealing ring and the conical elastic ring membrane are driven up and down by a floating driving mechanism, the conical elastic ring membrane further realizes radial and axial movement, and the size of the conical cavity is changed.
When the air bag 1 is pinched to discharge the air of the whole blood sampling assembly 3, the adjusting internal thread ring 52 drives the extrusion ring 51 to move upwards when the upper thread of the lower blood sampling tube 33 rotates upwards, so that the extrusion ring 51 extrudes the conical elastic ring membrane 32 into the inner side of the periphery of the extrusion ring 51, the conical cavity 36 is temporarily disappeared, the air in the conical cavity 36 is discharged, then the lower end of the lower blood sampling tube 33 is sent into a blood sampling container, the adjusting internal thread ring 52 rotates downwards on the upper thread of the lower blood sampling tube 33 to drive the extrusion ring 51 to move downwards, the high-elastic conical elastic ring membrane 32 can be quickly recovered, the conical cavity 36 reappears, the air bag is loosened, the liquid can be pressed into the upper blood sampling tube 31, the lower blood sampling tube 33 and the conical cavity 36, the air exhausting function is realized, the use is more convenient, and the degree of the extrusion ring 51 extruding the conical elastic ring membrane 32 into the inner side of the periphery of the extrusion ring 51 can be controlled, thereby achieving the purpose of assisting in adjusting the space size of the conical cavity 36 and thus achieving the double adjustment of the capacity size of the conical cavity.
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 sealed detachable blood sampling device is characterized by comprising an air bag, a connecting cylinder, a floating driving mechanism, a blood sampling assembly and an adjusting 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 elastic ring membrane, a lower blood sampling tube, a sealing internal thread ring, a sealing abutting ring, a sealing ring and a clamping sealing ring; the conical elastic ring membrane is made of high-elastic rubber material; 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 elastic ring membrane; the periphery of the lower end of the conical elastic ring membrane 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; two sides of the lower blood collection tube are fixed through a positioning rod and a connecting cylinder; the conical elastic ring film, the connecting ring and the sealing ring form a conical cavity; the lower end of the upper blood collection tube is positioned in the conical cavity; the floating driving mechanism is arranged on one side of the connecting cylinder; the floating driving mechanism controls the conical cavity to perform radial and axial double floating on the outer side of the periphery of the lower end of the upper blood collection tube; the outer side of the periphery below the lower blood collection tube is provided with an external thread section; the adjusting assembly comprises an adjusting internal thread ring and an extrusion ring; the adjusting internal thread ring is in threaded rotary connection with the external thread section around the lower part of the lower blood collection tube; the extrusion ring is sleeved outside the lower blood collection tube; the periphery of the lower end of the extrusion ring is arranged at the upper end of the adjusting internal thread ring; the inner side of the upper end of the extrusion ring is provided with a large-upper-part and small-lower-part abutting ring surface; the adjusting internal thread ring drives the extrusion ring to move upwards when the upper thread of the lower blood collection tube rotates upwards, so that the extrusion ring extrudes the conical elastic ring membrane into the inner side of the periphery of the extrusion ring; a sealing pressing ring is arranged on the periphery of the inner side of the bottom of the conical elastic ring film; a sealing internal thread ring is arranged around the lower part of the bottom of the conical elastic ring film; the outer side of the periphery of the upper end of the lower blood collection tube is provided with an external thread ring, and the upper end surface of the lower blood collection tube is provided with a sealing ring groove; the sealing ring is arranged in a sealing ring groove of the lower blood collection tube; the sealing internal thread ring around the lower part of the bottom of the conical elastic ring membrane is in threaded rotary connection with the external thread ring at the upper end of the lower blood collection tube; the sealing abutting ring on the periphery of the inner side of the bottom of the conical elastic ring film tightly abuts against the upper end face of the sealing ring in the sealing ring groove; the periphery of the upper end of the conical elastic ring film is provided with a clamping sealing ring; the periphery of the lower end of the connecting ring is provided with a clamping sealing groove; the conical elastic ring film is embedded into the clamping seal groove around the lower end of the connecting ring in a sealed clamping mode through the clamping seal ring around the upper end.
2. The seal-release lancing device of claim 1, wherein said floating drive mechanism comprises a drive plate, a transition wheel, a drive post, 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.
3. The seal-release lancing device of claim 2, wherein the transition wheel and drive post are of worm gear and worm structure, respectively; the driving plate is a toothed plate structure with a rack arranged on one side.
4. The seal-release lancing device of claim 2, wherein said drive plate is located outside of the connector barrel.
5. The seal-release lancing device of claim 2, wherein said 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 seal-release type lancing device according to claim 1, wherein the other side of the upper end of said connection ring is provided with a sliding engagement 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 seal-release lancing device according to claim 1, wherein a through-connection fixing port is provided in the middle of the upper end of the connecting cylinder; 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 seal-release lancing device according to claim 1, wherein said sealing ring is made of a rubber material.
9. The seal-release lancing device of claim 1, wherein the longitudinal cross-section of said connector barrel is of inverted U-shaped configuration.
10. The seal-release lancing device according to claim 1, wherein said conical elastic ring membrane is of a conical configuration with a large top and a small bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896762.7A CN110584681B (en) | 2019-09-23 | 2019-09-23 | Sealed dismantlement formula blood sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896762.7A CN110584681B (en) | 2019-09-23 | 2019-09-23 | Sealed dismantlement formula blood sampling device |
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| Publication Number | Publication Date |
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| CN110584681A true CN110584681A (en) | 2019-12-20 |
| CN110584681B CN110584681B (en) | 2022-04-29 |
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|---|---|---|---|
| CN201910896762.7A Active CN110584681B (en) | 2019-09-23 | 2019-09-23 | Sealed dismantlement formula blood sampling device |
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Cited By (2)
| 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 |
| 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 |
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| 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 |
| 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 |
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| CN110584681B (en) | 2022-04-29 |
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