CN111588386B - Conveniently-installed trace quantitative blood sampling device - Google Patents
Conveniently-installed trace quantitative blood sampling device Download PDFInfo
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- CN111588386B CN111588386B CN202010447006.9A CN202010447006A CN111588386B CN 111588386 B CN111588386 B CN 111588386B CN 202010447006 A CN202010447006 A CN 202010447006A CN 111588386 B CN111588386 B CN 111588386B
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- clamping
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- groove
- floating ring
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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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
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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
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
Abstract
The invention discloses a trace quantitative blood sampling device convenient to mount, which comprises a connecting frame, a floating ring sleeve, a driving rod, a rotary positioning mechanism, a blood sampling tube body, an insertion block and a clamping assembly, wherein the floating ring sleeve is arranged on the connecting frame; the invention is additionally provided with the clamping assembly, the transverse clamping plate is pushed inwards by the elastic pushing piece to be clamped on the outer walls of the two sides of the upper end of the container, the inner end of the positioning screw rod can abut against the outer side of the transverse clamping plate to increase the clamping force, and meanwhile, the connecting frame can slide up and down at one end of the longitudinal moving plate through the longitudinal clamping grooves on the outer sides of the two sides above the connecting frame, so that the whole collecting height is changed, the use is convenient, and the whole device does not need to be held and held at any time during operation.
Description
Technical Field
The invention relates to a trace quantitative blood sampling device convenient to mount.
Background
The convenient-to-install trace quantitative blood sampling device is a common tool used when medical departments such as hospitals analyze blood, and is made of a glass tube which is small in inner diameter, small in length and open at two ends and communicated with the glass tube, one end of the convenient-to-install trace quantitative blood sampling device is contacted with the blood to be collected when the blood is collected, and the blood to be collected automatically enters the convenient-to-install trace quantitative blood sampling device by utilizing the capillary principle, but the convenient-to-install trace quantitative blood sampling device with small length is generally inconvenient to send to the liquid to be collected, a strip-shaped connecting tube is added for facilitating the operation at present, the convenient-to-install trace quantitative blood sampling device with small length is installed at the lower end of the strip-shaped connecting tube, so that the convenient-to-extend into a container for collection, but the connection between the convenient-to-install trace quantitative blood sampling device with small length and the strip-shaped connecting tube is generally bonded through glue, so that the structure is not firm, and the convenient-to disassemble the trace quantitative blood sampling device with small length and the strip-shaped connecting tube; in addition, the structure capable of being mounted on containers with different diameters is developed to increase the use convenience.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the micro blood sampling device is convenient to mount and mount at the upper end of a container, flexible to use, stable in structure and convenient to dismount.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a trace quantitative blood sampling device convenient to install comprises a connecting frame, a floating ring sleeve, a driving rod, a rotary positioning mechanism, a blood sampling tube body, an insertion block and a clamping assembly; the connecting frame is of an inverted U-shaped structure; the floating ring sleeve is of a circular ring structure, and the longitudinal section of the floating ring sleeve is of an inverted U-shaped structure; a driving rod is arranged in the middle of the upper end of the connecting frame; the floating ring sleeve is arranged below the inner part of the connecting frame; the lower end of the driving rod is connected with the middle of the upper end of the floating ring sleeve in a telescopic driving mode; two sides of the upper end of the blood collection tube body are respectively provided with an insertion block; two sides of the lower end of the floating ring sleeve are respectively provided with a rotary positioning mechanism; the arc-shaped sliding clamp of the rotary positioning mechanism is connected to two sides below the floating ring sleeve; the rotary positioning mechanism comprises a rotary screw, a positioning block, a guide rod, an arc clamping block and arc clamping teeth; arc-shaped through channels are respectively arranged on two sides of the bottom of the floating ring sleeve; the middle of the inner part of the arc cross-connecting channel is provided with arc sliding grooves corresponding to the positions of the arc sliding grooves up and down; the upper side and the lower side of the arc-shaped cross-connecting channel are respectively provided with an arc-shaped clamping groove; arc-shaped clamping blocks are respectively clamped in the arc-shaped sliding grooves in the middle of the inner part of the arc-shaped cross-connecting channel in a sliding manner; the middle of the arc clamping block is provided with a threaded hole; a rotary screw is rotatably arranged in each threaded hole in the middle of the arc-shaped clamping block; two ends of the rotary screw rod respectively penetrate through the arc-shaped cross-connecting channels; a positioning block is respectively arranged inside two sides of the lower end of the floating ring sleeve; the inner side of the positioning block is provided with an inserting groove; the outer side of the positioning block is rotationally clamped with the inner end of the rotating screw rod; the upper end and the lower end of the outer side of the positioning block are respectively provided with a guide groove; the guide grooves are respectively inserted and connected with a guide rod; one end of the guide rod is inserted into the guide groove, and the other end of the guide rod is clamped on the arc clamping groove in a sliding mode through the arc clamping teeth; the rotating screw rotates to drive the positioning block to move transversely; the inserting blocks on the two sides of the upper end of the blood collection tube body are respectively inserted into the inserting grooves connected to the inner sides of the positioning blocks; the outer parts of two sides above the connecting frame are respectively provided with a clamping assembly; the clamping assembly comprises a longitudinal moving plate, a transverse clamping plate and an elastic pushing piece; longitudinal clamping grooves are formed in the outer portions of two sides above the connecting frame; a longitudinal moving plate is respectively installed on the longitudinal clamping grooves in a sliding clamping mode; one end of the longitudinal moving plate is slidably clamped on the longitudinal clamping groove on the upper side part of the connecting frame; a transverse clamping groove is formed below the other end of the longitudinal moving plate; a transverse clamping plate is respectively clamped in the transverse clamping grooves in a sliding manner; the upper end of the transverse clamping plate is clamped in the transverse clamping groove in a sliding manner; elastic pushing pieces are respectively arranged in the transverse clamping grooves; the elastic pushing piece is elastically abutted against the outer side of the upper end of the transverse clamping plate.
Furthermore, the clamping assembly also comprises a positioning mounting plate and a positioning screw rod; a positioning mounting plate is vertically arranged below the outer end of the longitudinal moving plate respectively; positioning screws are respectively and rotatably arranged on the positioning mounting plates in a threaded manner; the inner end of the positioning screw rod is connected with the outer side of the transverse clamping plate in an abutting or separating mode.
Further, the driving rod is rotatably connected to the middle of the upper end of the connecting frame through threads.
Further, the lower end of the driving rod is provided with a rotary clamping tooth; a rotary clamping groove is formed in the middle of the upper end of the floating ring sleeve; the lower end of the driving rod is rotationally clamped on the rotary clamping groove in the middle of the upper end of the floating ring sleeve through the rotary clamping teeth.
Furthermore, two sides of the floating ring sleeve are respectively provided with a clamping and connecting rod; a clamping sliding groove is respectively arranged inside each of two sides of the connecting frame; the floating ring sleeves are slidably clamped on the clamping sliding grooves on the two sides of the connecting frame through clamping rods on the two sides.
Further, a transverse clamping ring groove is formed in the outer side of the positioning block; the inner end of the rotary screw is provided with a transverse clamping ring tooth; the outer side of the positioning block is rotationally clamped with a transverse clamping ring tooth at the inner end of the rotary screw rod through a transverse clamping ring groove.
Further, guide bar and guide way all are the rectangle structure.
Furthermore, the inserting groove and the inserting block are both rectangular structures.
The invention has the advantages of
1. The invention is additionally provided with the clamping assembly, the transverse clamping plate is pushed inwards by the elastic pushing piece to be clamped on the outer walls of the two sides of the upper end of the container, the inner end of the positioning screw rod can abut against the outer side of the transverse clamping plate to increase the clamping force, and meanwhile, the connecting frame can slide up and down at one end of the longitudinal moving plate through the longitudinal clamping grooves on the outer sides of the two sides above the connecting frame, so that the whole collecting height is changed, the use is convenient, and the whole device does not need to be held and held at any time during operation.
2. The structure of the invention is flexible and convenient to connect, the rotating screw rod can make arc-shaped sliding of a circumferential track in the arc-shaped sliding groove through the arc-shaped clamping block, meanwhile, the positioning block is clamped on the arc-shaped clamping groove in a sliding manner through the arc-shaped clamping tooth at the other end of the guide rod, and the arc-shaped clamping tooth also makes arc-shaped sliding of the circumferential track on the arc-shaped clamping groove.
3. The invention realizes the operation modes of transverse clamping and fixing and longitudinal telescopic movement of the blood sampling tube body, the positioning blocks are driven to transversely move by rotating the rotary screw rod, the insertion grooves of the two positioning blocks are inserted into and clamped on the insertion blocks at the two sides of the upper end of the blood sampling tube body, so that an installation structure for transverse clamping and fixing is formed, the floating ring sleeve is driven to move up and down by rotating the driving rod, the whole rotary positioning mechanism and the blood sampling tube body are driven to move up and down, the operation mode of telescopic movement is realized, and the collection depth can be conveniently adjusted.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is an enlarged schematic view of the present invention at a.
Fig. 3 is a schematic bottom view of the arc-shaped sliding groove on the floating collar of the present invention.
FIG. 4 is an enlarged schematic view of the clamping assembly 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 trace quantitative blood sampling device convenient to mount comprises a connecting frame 1, a floating ring sleeve 2, a driving rod 3, a rotary positioning mechanism 4, a blood sampling tube body 5, an insertion block 6 and a clamping assembly 8. The connecting frame 1 is of an inverted U-shaped structure; the floating ring sleeve 2 is of a circular structure, and the longitudinal section of the floating ring sleeve is of an inverted U-shaped structure; a driving rod 3 is arranged in the middle of the upper end of the connecting frame 1; the floating ring sleeve 2 is arranged below the inner part of the connecting frame 1; the lower end of the driving rod 3 is connected with the middle of the upper end of the floating ring sleeve 2 in a telescopic driving mode; two sides of the upper end of the blood collection tube body 5 are respectively provided with an insertion block 6; two sides of the lower end of the floating ring sleeve 2 are respectively provided with a rotary positioning mechanism 4; the rotary positioning mechanism 4 is clamped at two sides below the floating ring sleeve 2 in an arc-shaped sliding way; the rotary positioning mechanism 4 comprises a rotary screw rod 41, a positioning block 42, a guide rod 43, an arc clamping block 44 and an arc clamping tooth 45; arc-shaped through channels 23 are respectively arranged on two sides of the bottom of the floating ring sleeve 2; the middle inside the arc-shaped cross-connecting channel 23 is provided with arc-shaped sliding grooves 24 corresponding to the positions of the upper and lower parts; the upper side and the lower side of the arc cross-connecting channel 23 are respectively provided with an arc clamping groove 25; an arc clamping block 44 is respectively clamped in the arc sliding groove 24 in the middle of the inside of the arc cross-connecting channel 23 in a sliding manner; the middle of the arc-shaped clamping block 44 is provided with a threaded hole; a rotary screw rod 41 is rotatably arranged in each threaded hole in the middle of the arc clamping block 44; two ends of the rotating screw rod 41 respectively penetrate through the arc-shaped cross-connecting channels 23; a positioning block 42 is respectively arranged inside two sides of the lower end of the floating ring sleeve 2; the inner side of the positioning block 42 is provided with an inserting groove 423; the outer side of the positioning block 42 is rotationally clamped with the inner end of the rotating screw rod 41; the upper end and the lower end of the outer side of the positioning block 42 are respectively provided with a guide groove 422; the guide grooves 422 are respectively inserted and connected with a guide rod 43; one end of the guide rod 43 is inserted into the guide groove 422, and the other end of the guide rod 43 is slidably clamped on the arc clamping groove 25 through the arc clamping tooth 45; the rotating screw rod 41 rotates to drive the positioning block 42 to move transversely; the insertion blocks 6 on the two sides of the upper end of the blood collection tube body 5 are respectively inserted into the insertion grooves 423 connected to the inner side of the positioning block 42. The outer parts of two sides above the connecting frame 1 are respectively provided with a clamping assembly 8; the clamping assembly 8 comprises a longitudinal moving plate 81, a transverse clamping plate 82 and an elastic pushing piece 83; the outer parts of two sides above the connecting frame 1 are provided with longitudinal clamping grooves 18; a longitudinal moving plate 81 is respectively installed on the longitudinal clamping grooves 18 in a sliding clamping mode; one end of the longitudinal moving plate 81 is slidably clamped on the longitudinal clamping groove 18 at the upper side part of the connecting frame 1; a transverse clamping groove 811 is arranged below the other end of the longitudinal moving plate 81; one transverse clamping plate 82 is respectively clamped in the transverse clamping grooves 811 in a sliding manner; the upper end of the transverse clamping plate 82 is slidably clamped in the transverse clamping groove 811; an elastic pushing piece 83 is respectively arranged in the transverse clamping grooves 811; the elastic pushing member 83 elastically abuts against the outer side of the upper end of the lateral holding plate 82.
As shown in fig. 1 to 4, it is further preferable that the clamping assembly 8 further includes a positioning mounting plate 84 and a positioning screw 85; a positioning mounting plate 84 is vertically arranged below the outer end of the longitudinal moving plate 81; the positioning mounting plates 84 are respectively provided with positioning screws 85 in a threaded rotating manner; the inner end of the positioning screw 85 is connected to the outside of the lateral holding plate 82 in an abutting or separated manner, and a rubber abutting pad 821 is provided inside the lateral holding plate 82 to abut against the inner end. Further preferably, the driving rod 3 is rotatably connected to the middle of the upper end of the connecting frame 1 through a screw thread. Further, the lower end of the driving rod 3 is provided with a rotary clamping tooth 31; the middle of the upper end of the floating ring sleeve 2 is provided with a rotary clamping groove 21; the lower end of the driving rod 3 is rotatably clamped on the rotary clamping groove 21 in the middle of the upper end of the floating ring sleeve 2 through the rotary clamping teeth 31. Furthermore, two clamping rods 22 are respectively arranged on two sides of the floating ring sleeve 2; a clamping sliding groove 11 is respectively arranged in each of two sides of the connecting frame 1; the floating ring sleeve 2 is slidably clamped on the clamping sliding grooves 11 on the two sides of the connecting frame 1 through the clamping rods 22 on the two sides. Further, a transverse clamping ring groove 421 is arranged on the outer side of the positioning block 42; the inner end of the rotating screw rod 41 is provided with a transverse clamping ring tooth 411; the outer side of the positioning block 42 is rotationally clamped with a transverse clamping ring tooth 411 at the inner end of the rotary screw rod 41 through a transverse clamping ring groove 421. Further preferably, the guide rod 43 and the guide groove 422 are rectangular. Further, the inserting groove 423 and the inserting block 6 are both rectangular structures.
The invention is additionally provided with the clamping component 8, the transverse clamping plate 82 is pushed inwards by the elastic pushing piece 83, so that the transverse clamping plate 82 is clamped at the outer walls of two sides of the upper end of the container, the clamping force is increased by abutting the inner end of the positioning screw 85 against the outer side of the transverse clamping plate 82, and meanwhile, the connecting frame 1 can slide up and down at one end of the longitudinal moving plate 81 through the longitudinal clamping grooves 18 on the outer parts of two upper sides, so that the whole collecting height is changed, and the use is convenient; the structure of the invention is flexible and convenient to connect, the rotary screw 41 can make arc-shaped sliding of the circumferential track in the arc-shaped sliding groove 24 through the arc-shaped clamping block 44, meanwhile, the positioning block 42 is slidably clamped on the arc-shaped clamping groove 25 through the arc-shaped clamping tooth 45 at the other end of the guide rod 43, and the arc-shaped clamping tooth 45 also makes arc-shaped sliding of the circumferential track on the arc-shaped clamping groove 25, so the structure is favorable for the splicing connection of the splicing blocks 6 at the two sides of the upper end of the blood collection tube body 5 and the splicing groove 423 of the positioning block 42, and the structure ensures that the splicing blocks 6 at the two sides of the upper end of the blood collection tube body 5 can be smoothly installed due to the deviation in the diameter direction of the blood collection tube body 5 caused by process problems, and the installation is more flexible; the invention realizes the operation modes of transverse clamping and fixing and longitudinal telescopic movement of the blood collection tube body 5, the positioning blocks 42 are driven to transversely move by rotating the rotary screw rod 41, the inserting grooves 423 of the two positioning blocks 42 are inserted into the inserting blocks 6 clamped at the two sides of the upper end of the blood collection tube body 5, so that a transverse clamping and fixing installation structure is formed, the floating ring sleeve 2 is driven to vertically move by rotating the driving rod 3, the whole rotary positioning mechanism 4 and the blood collection tube body 5 are driven to vertically move, the telescopic movement operation mode is realized, and the collection depth can be conveniently adjusted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. A trace quantitative blood sampling device convenient to install is characterized by comprising a connecting frame, a floating ring sleeve, a driving rod, a rotary positioning mechanism, a blood sampling tube body, an insertion block and a clamping assembly; the connecting frame is of an inverted U-shaped structure; the floating ring sleeve is of a circular ring structure, and the longitudinal section of the floating ring sleeve is of an inverted U-shaped structure; a driving rod is arranged in the middle of the upper end of the connecting frame; the floating ring sleeve is arranged below the inner part of the connecting frame; the lower end of the driving rod is connected with the middle of the upper end of the floating ring sleeve in a telescopic driving mode; two sides of the upper end of the blood collection tube body are respectively provided with an insertion block; two sides of the lower end of the floating ring sleeve are respectively provided with a rotary positioning mechanism; the arc-shaped sliding clamp of the rotary positioning mechanism is connected to two sides below the floating ring sleeve; the rotary positioning mechanism comprises a rotary screw, a positioning block, a guide rod, an arc clamping block and arc clamping teeth; arc-shaped through channels are respectively arranged on two sides of the bottom of the floating ring sleeve; the middle inside the arc-shaped cross-connecting channel is provided with arc-shaped sliding grooves corresponding to the positions of the upper part and the lower part; the upper side and the lower side of the arc-shaped cross-connecting channel are respectively provided with an arc-shaped clamping groove; an arc clamping block is respectively clamped in the arc sliding groove in the middle inside the arc cross-connecting channel in a sliding manner; the middle of the arc-shaped clamping block is provided with a threaded hole; a rotary screw is rotatably arranged in each threaded hole in the middle of the arc-shaped clamping block; two ends of the rotary screw rod respectively penetrate through the arc-shaped cross-connecting channels; a positioning block is respectively arranged inside two sides of the lower end of the floating ring sleeve; the inner side of the positioning block is provided with an inserting groove; the outer side of the positioning block is rotationally clamped with the inner end of the rotating screw rod; the upper end and the lower end of the outer side of the positioning block are respectively provided with a guide groove; the guide grooves are respectively inserted and connected with a guide rod; one end of the guide rod is inserted into the guide groove, and the other end of the guide rod is clamped on the arc clamping groove in a sliding mode through the arc clamping teeth; the rotating screw rotates to drive the positioning block to move transversely; the inserting blocks on the two sides of the upper end of the blood collection tube body are respectively inserted into the inserting grooves connected to the inner sides of the positioning blocks; the clamping components are respectively arranged outside the two sides above the connecting frame; the clamping assembly comprises a longitudinal moving plate, a transverse clamping plate and an elastic pushing piece; longitudinal clamping grooves are formed in the outer portions of the two sides above the connecting frame; a longitudinal moving plate is respectively installed on the longitudinal clamping grooves in a sliding clamping mode; one end of the longitudinal moving plate is slidably clamped on the longitudinal clamping groove on the upper side part of the connecting frame; a transverse clamping groove is formed below the other end of the longitudinal moving plate; a transverse clamping plate is respectively clamped in the transverse clamping grooves in a sliding manner; the upper end of the transverse clamping plate is clamped in the transverse clamping groove in a sliding manner; elastic pushing pieces are respectively arranged in the transverse clamping grooves; the elastic pushing piece is elastically abutted against the outer side of the upper end of the transverse clamping plate.
2. The conveniently-mounted micro quantitative blood sampling device according to claim 1, wherein the clamping assembly further comprises a positioning mounting plate and a positioning screw; a positioning mounting plate is vertically arranged below the outer end of the longitudinal moving plate respectively; positioning screws are respectively and rotatably arranged on the positioning mounting plates in a threaded manner; the inner end of the positioning screw rod is connected with the outer side of the transverse clamping plate in an abutting or separating mode.
3. The conveniently-installed micro quantitative blood sampling device according to claim 1, wherein the driving rod is rotatably connected to the middle of the upper end of the connection frame by a screw thread.
4. The conveniently-installed micro quantitative blood sampling device according to claim 1, wherein the lower end of the driving rod is provided with a rotary clamping tooth; a rotary clamping groove is formed in the middle of the upper end of the floating ring sleeve; the lower end of the driving rod is rotationally clamped on the rotary clamping groove in the middle of the upper end of the floating ring sleeve through the rotary clamping teeth.
5. The conveniently-installed micro quantitative blood sampling device according to claim 1, wherein a clamping rod is respectively installed on both sides of the floating ring sleeve; a clamping sliding groove is respectively arranged inside each of two sides of the connecting frame; the floating ring sleeves are slidably clamped on the clamping sliding grooves on the two sides of the connecting frame through clamping rods on the two sides.
6. The micro quantitative blood sampling device convenient to install according to claim 1, wherein a transverse clamping ring groove is formed in the outer side of the positioning block; the inner end of the rotary screw is provided with a transverse clamping ring tooth; the outer side of the positioning block is rotationally clamped with a transverse clamping ring tooth at the inner end of the rotary screw rod through a transverse clamping ring groove.
7. The conveniently-installed micro quantitative blood sampling device according to claim 1, wherein the guide rod and the guide groove are both rectangular in structure.
8. The conveniently-installed micro quantitative blood sampling device according to claim 1, wherein the insertion groove and the insertion block are both rectangular in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447006.9A CN111588386B (en) | 2020-05-25 | 2020-05-25 | Conveniently-installed trace quantitative blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447006.9A CN111588386B (en) | 2020-05-25 | 2020-05-25 | Conveniently-installed trace quantitative blood sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111588386A CN111588386A (en) | 2020-08-28 |
| CN111588386B true CN111588386B (en) | 2023-04-11 |
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| CN202010447006.9A Active CN111588386B (en) | 2020-05-25 | 2020-05-25 | Conveniently-installed trace quantitative blood sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112548426B (en) * | 2020-12-21 | 2023-01-24 | 东台市高科技术创业园有限公司 | Floating metal sheet welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205613443U (en) * | 2016-04-18 | 2016-10-05 | 陕西理工学院 | Test tube for novel chemistry experiments |
| CN207872234U (en) * | 2017-12-23 | 2018-09-18 | 天津一瑞生物科技股份有限公司 | A kind of electronic clamping device of test tube with elevating function |
| CN108535051B (en) * | 2018-03-30 | 2020-04-24 | 江苏科华医疗器械科技有限公司 | Liquid centrifuging tube is got to body activity centre gripping formula |
| CN210269309U (en) * | 2019-07-25 | 2020-04-07 | 胡晓霞 | Sputum collection system for pediatric internal medicine |
| CN114433272B (en) * | 2019-11-22 | 2023-11-28 | 修雪梅 | Inspection test tube shaking device capable of simulating manual operation |
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