CN113397609A - Urine sampler of nephrology dept urine examination usefulness - Google Patents
Urine sampler of nephrology dept urine examination usefulness Download PDFInfo
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- CN113397609A CN113397609A CN202110952968.4A CN202110952968A CN113397609A CN 113397609 A CN113397609 A CN 113397609A CN 202110952968 A CN202110952968 A CN 202110952968A CN 113397609 A CN113397609 A CN 113397609A
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- 210000002700 urine Anatomy 0.000 title claims abstract description 49
- 238000005070 sampling Methods 0.000 claims abstract description 124
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 210000001503 joint Anatomy 0.000 claims description 46
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000002562 urinalysis Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 26
- 238000009535 clinical urine test Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/007—Devices for taking samples of body liquids for taking urine samples
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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
- G01N2001/1418—Depression, aspiration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a urine sampler for urine examination in nephrology department, which relates to the technical field of urine examination sampling in nephrology department and comprises a sampling cup, a sampling tube horizontally arranged on one side of the sampling cup and a cylinder connecting piece in threaded connection with a liquid inlet end of the sampling tube, wherein air in the sampling tube is pumped out, and the cylinder connecting piece is blocked at the liquid inlet end of the sampling tube, so that the sampling tube is in a negative pressure vacuum state. The invention has the beneficial effects that: when the urine sample in the sampling cup is led into the sampling tube, the sampling cup does not need to be inclined, the sampling tube and the cylinder connecting piece on the sampling tube only need to be rotated until the communicating tube in the sealing cap piercing piece pierces the sealing cap in the cylinder connecting piece, and when the liquid outlet hole on the communicating tube is positioned in the sampling tube, the urine sample in the sampling cup can be automatically sucked into the sampling tube.
Description
Technical Field
The invention relates to the technical field of urine examination sampling in nephrology departments, in particular to a urine sampler for the urine examination in the nephrology departments.
Background
Urine test is a routine examination item, and various diseases can be found through urine examination; in the current urine test sampling process, most of urine is collected by a handheld urine cup and then poured into a urine taking test tube, and a patient needs to take two devices, namely the urine cup and the urine taking test tube by hands to sample urine;
current urine cup and sampling tube need the handheld sampling tube of operator slope sampling cup when the cooperation is used, make the urine sample in the sampling cup pour into in the sampling tube, nevertheless the patient is when the slope sampling cup, and the slope range is too big, can lead to the urine sample in the sampling cup can directly spill over to patient's hand from the sampling cup top.
Disclosure of Invention
The invention aims to solve the defect of poor practicability in the prior art, and provides a urine sampler for urinalysis in nephrology.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a urine sampler that nephrology dept urine examination was used, includes sampling cup, level setting at the sampling tube of sampling cup one side and with the feed liquor end threaded connection's of sampling tube drum connecting piece, its characterized in that: the air in the sampling tube is pumped out, the cylindrical connecting piece is plugged at the liquid inlet end of the sampling tube to enable the sampling tube to be in a negative pressure vacuum state, the right end of the cylindrical connecting piece is in threaded connection with a sealing cap puncturing piece, the upper part of the sampling cup is in a circular funnel shape, the lower part of the sampling cup is in a rectangular tube shape, a butt joint pipe is arranged at the bottom of one side of the sampling cup in a protruding mode, and the right end of the sealing cap puncturing piece is inserted into the butt joint pipe;
the left half part of the cylinder connecting piece is inserted with a sealing cap for plugging a liquid inlet of the sampling tube, and the cross section of the sealing cap is of a cap-shaped structure with an open right side and a completely closed left side;
the sealing cap puncturing part comprises a thick pipe in threaded connection with the outer surface of the right end of the cylinder connecting part and a communicating pipe transversely inserted into the cylinder connecting part, the left end of the communicating pipe is in a taper shape, the right end of the thick pipe is arranged in a closed manner, the other end of the communicating pipe penetrates out of the closed end of the thick pipe, a butt joint sleeve is fixedly connected to the outer wall of the closed end of the thick pipe, the butt joint sleeve is in sealing sleeve connection with the butt joint pipe of the sampling cup, and the other end of the communicating pipe is inserted into the bottom of the sampling cup;
the right half of drum connecting piece is filled with cylindric shutoff piece, the one end of communicating pipe passes in cylindric shutoff piece, play liquid hole has all been seted up to the outer wall top and the bottom of communicating pipe one end, it can be stopped up by cylindric shutoff piece to go out the liquid hole.
Preferably, a threaded hole is formed in the middle of the outer surface of the cylinder connecting piece, and a limiting bolt is arranged on the threaded hole.
Preferably, a hemispherical blocking member is arranged in the middle of the inner wall of the thick pipe, and the blocking member is made of a rubber material.
Preferably, a sealing ring is sleeved on the outer wall of the butt joint pipe at the bottom of the sampling cup, and the outer wall of the sealing ring is in sealing fit with the inner wall of the butt joint pipe of the sealing cap puncturing piece.
Preferably, a wiping cotton sleeve for wiping the communicating pipe is arranged on the inner wall of the butt joint pipe at the bottom of the sampling cup, the wiping cotton sleeve is positioned at the left end of the butt joint pipe, the communicating pipe penetrates through an opening at the right end of the butt joint pipe, and a gap between the communicating pipe and the opening at the right end of the butt joint pipe is smaller than 0.2 mm.
Preferably, the sealing cap and the cylindrical plugging piece are both made of silica gel materials.
Compared with the prior art, the invention has the beneficial effects that: when the urine sample in the sampling cup is led into the sampling tube, the sampling cup does not need to be inclined, the sampling tube and the cylinder connecting piece on the sampling tube only need to be rotated until the communicating tube in the sealing cap piercing piece pierces the sealing cap in the cylinder connecting piece, and when the liquid outlet hole on the communicating tube is positioned in the sampling tube, the urine sample in the sampling cup can be automatically sucked into the sampling tube.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a cross-sectional view of an unconnected structure of a sampling cup and a sampling tube of the present invention;
FIG. 4 is a sectional view of the communicating structure of the sampling cup and the sampling tube of the present invention;
FIG. 5 is a sectional view of an overall disassembled structure corresponding to the first embodiment of the present invention;
fig. 6 is a sectional view of an overall disassembled structure corresponding to a second embodiment of the present invention.
Number in the figure: 1. a sampling cup; 2. a sampling tube; 3. a sealing cap; 4. a cylinder connecting member; 5. a seal cap piercing member; 6. a cylindrical plugging member; 7. a bolt; 8. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1: referring to fig. 1-5, the urine sampler for the urine test in nephrology department in the invention comprises a sampling cup 1, a sampling tube 2 horizontally arranged at one side of the sampling cup 1 and a cylinder connecting piece 4 in threaded connection with the liquid inlet end of the sampling tube 2, and is characterized in that: the air in the sampling tube 2 is pumped out, the cylindrical connecting piece 4 is blocked at the liquid inlet end of the sampling tube 2, the sampling tube 2 is in a negative pressure vacuum state, the right end of the cylindrical connecting piece 4 is in threaded connection with a sealing cap puncturing piece 5, the upper part of the sampling cup 1 is in a circular funnel shape, the lower part of the sampling cup 1 is in a rectangular tube shape, a butt joint pipe is protruded from the bottom of one side of the sampling cup 1, and the right end of the sealing cap puncturing piece 5 is inserted into the butt joint pipe; when a patient needs to introduce the urine sample in the sampling cup 1 into the sampling tube 2, the sampling tube 2 and the cylindrical connecting piece 4 on the sampling tube are only required to be rotated without inclining the sampling cup 1 until the communicating tube in the sealing cap piercing piece 5 pierces the sealing cap 3 in the cylindrical connecting piece 4, and when the liquid outlet hole in the communicating tube is positioned in the sampling tube 2, the urine sample in the sampling cup 1 can be automatically sucked into the sampling tube;
the left half part of the cylinder connecting piece 4 is inserted with a sealing cap 3 for plugging the liquid inlet of the sampling tube 2, and the cross section of the sealing cap 3 is of a cap-shaped structure with an opening at the right side and a completely closed left side;
the sealing cap puncturing part 5 comprises a thick pipe in threaded connection with the outer surface of the right end of the cylinder connecting part 4 and a communicating pipe transversely inserted into the cylinder connecting part 4, the left end of the communicating pipe is in a taper shape, the right end of the thick pipe is arranged in a sealing mode, the other end of the communicating pipe penetrates out of the sealing end of the thick pipe, a butt joint sleeve is fixedly connected to the outer wall of the sealing end of the thick pipe, the butt joint sleeve is in sealing sleeve connection with the butt joint pipe of the sampling cup 1, and the other end of the communicating pipe is inserted into the bottom of the sampling cup 1;
the right half of drum connecting piece 4 is filled with cylindric shutoff piece 6, the one end of communicating pipe is passed in cylindric shutoff piece 6, play liquid hole has all been seted up to the outer wall top and the bottom of communicating pipe one end, it can be stopped up by cylindric shutoff piece 6 to go out the liquid hole.
A threaded hole is formed in the middle of the outer surface of the cylindrical connecting piece 4, and a limiting bolt 7 is arranged on the threaded hole; when this urine sampler was not used, sealed cap 3 was punctureed in the rotation of the pointed end of communicating pipe when limiting bolt 7's setting can prevent that this urine sampler from using, when needing to lead to sampling tube 2 with the urine sample in sampling cup 1, unscrew limiting bolt 7 and relieve spacingly can.
And a sealing ring 8 is sleeved on the outer wall of the butt joint pipe at the bottom of the sampling cup 1, and the outer wall of the sealing ring 8 is in sealing fit with the inner wall of the butt joint pipe of the sealing cap puncturing part 5.
The inner wall of the butt joint pipe at the bottom of the sampling cup 1 is provided with a wiping cotton sleeve for wiping the communicating pipe, the wiping cotton sleeve is positioned at the left end of the butt joint pipe, the communicating pipe penetrates through the opening at the right end of the butt joint pipe, a gap between the communicating pipe and the opening at the right end of the butt joint pipe is smaller than 0.2 mm, and the smaller the gap between the communicating pipe and the opening at the right end of the butt joint pipe is, the less the urine sample is likely to pollute the wiping cotton sleeve.
The sealing cap 3 and the cylindrical plugging member 6 are both made of a silicone material.
The right-hand member of sampling tube is provided with outside outstanding pressure gas package, pressure gas package is made by the silica gel material, can extrude the urine sample in the sampling tube from the right-hand member communicating pipe through compressing air the package.
Example 2: referring to fig. 1, 4 and 6, the urine sampler for the urine test in nephrology department in the invention comprises a sampling cup 1, a sampling tube 2 horizontally arranged on one side of the sampling cup 1 and a cylinder connecting piece 4 in threaded connection with the liquid inlet end of the sampling tube 2, and is characterized in that: the air in the sampling tube 2 is pumped out, the cylindrical connecting piece 4 is blocked at the liquid inlet end of the sampling tube 2, the sampling tube 2 is in a negative pressure vacuum state, the right end of the cylindrical connecting piece 4 is in threaded connection with a sealing cap puncturing piece 5, the upper part of the sampling cup 1 is in a circular funnel shape, the lower part of the sampling cup 1 is in a rectangular tube shape, a butt joint pipe is protruded from the bottom of one side of the sampling cup 1, and the right end of the sealing cap puncturing piece 5 is inserted into the butt joint pipe; when a patient needs to introduce the urine sample in the sampling cup 1 into the sampling tube 2, the sampling tube 2 and the cylindrical connecting piece 4 on the sampling tube are only required to be rotated without inclining the sampling cup 1 until the communicating tube in the sealing cap piercing piece 5 pierces the sealing cap 3 in the cylindrical connecting piece 4, and when the liquid outlet hole in the communicating tube is positioned in the sampling tube 2, the urine sample in the sampling cup 1 can be automatically sucked into the sampling tube;
the left half part of the cylinder connecting piece 4 is inserted with a sealing cap 3 for plugging the liquid inlet of the sampling tube 2, and the cross section of the sealing cap 3 is of a cap-shaped structure with an opening at the right side and a completely closed left side;
the sealing cap puncturing part 5 comprises a thick pipe in threaded connection with the outer surface of the right end of the cylinder connecting part 4 and a communicating pipe transversely inserted into the cylinder connecting part 4, the left end of the communicating pipe is in a taper shape, the right end of the thick pipe is arranged in a sealing mode, the other end of the communicating pipe penetrates out of the sealing end of the thick pipe, a butt joint sleeve is fixedly connected to the outer wall of the sealing end of the thick pipe, the butt joint sleeve is in sealing sleeve connection with the butt joint pipe of the sampling cup 1, and the other end of the communicating pipe is inserted into the bottom of the sampling cup 1;
the right half of drum connecting piece 4 is filled with cylindric shutoff piece 6, the one end of communicating pipe is passed in cylindric shutoff piece 6, play liquid hole has all been seted up to the outer wall top and the bottom of communicating pipe one end, it can be stopped up by cylindric shutoff piece 6 to go out the liquid hole.
The intermediate position department of thick intraductal inner wall is provided with hemispherical hindrance piece, hinders the piece and makes by rubber materials, and the setting that hinders the piece can make and receive certain hindrance when the tip rotation of communicating pipe punctures sealed cap 3, when preventing this urine sampler from not using, the tip rotation of communicating pipe punctures sealed cap 3, when needing leading-in sampling tube 2 with the urine sample in sampling cup 1, the height that hinders the piece is not high, only need increase some dynamics alright make the tip rotation of communicating pipe puncture sealed cap 3.
And a sealing ring 8 is sleeved on the outer wall of the butt joint pipe at the bottom of the sampling cup 1, and the outer wall of the sealing ring 8 is in sealing fit with the inner wall of the butt joint pipe of the sealing cap puncturing part 5.
Be provided with on the butt joint intraductal wall of sample cup 1 bottom and be used for wiping the cotton cover of wiping communicating pipe, it is located the left end of butt joint pipe to wipe the cotton cover, communicating pipe passes the opening of butt joint pipe right-hand member, and the gap that exists between the opening of communicating pipe and butt joint pipe right-hand member is less than 0.2 millimeter, and the gap is less between the opening of communicating pipe and butt joint pipe right-hand member, and the urine sample is difficult more pollutes and wipes the cotton cover.
The sealing cap 3 and the cylindrical plugging member 6 are both made of a silicone material.
The right-hand member of sampling tube is provided with outside outstanding pressure gas package, pressure gas package is made by the silica gel material, can extrude the urine sample in the sampling tube from the right-hand member communicating pipe through compressing air the package.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a urine sampler of nephrology dept urine examination usefulness, including sampling cup (1), level setting sampling tube (2) and with the feed liquor end threaded connection's of sampling tube (2) drum connecting piece (4) of sampling cup (1) one side, its characterized in that: the air in the sampling tube (2) is pumped out, the cylindrical connecting piece (4) is plugged at the liquid inlet end of the sampling tube (2) to enable the interior of the sampling tube (2) to be in a negative pressure vacuum state, the right end of the cylindrical connecting piece (4) is in threaded connection with a sealing cap puncturing piece (5), the upper part of the sampling cup (1) is in a circular funnel shape, the lower part of the sampling cup is in a rectangular tubular shape, a butt joint tube is protruded from the bottom of one side of the sampling cup (1), and the right end of the sealing cap puncturing piece (5) is inserted into the butt joint tube;
the left half part of the cylinder connecting piece (4) is connected with a sealing cap (3) for plugging a liquid inlet of the sampling tube (2) in an inserting way, and the cross section of the sealing cap (3) is of a cap-shaped structure with an open right side and a completely closed left side;
the sealing cap puncturing part (5) comprises a thick pipe in threaded connection with the outer surface of the right end of the cylinder connecting part (4) and a communicating pipe transversely inserted into the cylinder connecting part (4), the left end of the communicating pipe is in a taper shape, the right end of the thick pipe is arranged in a sealing mode, the other end of the communicating pipe penetrates out of the sealing end of the thick pipe, a butt joint sleeve is fixedly connected to the outer wall of the sealing end of the thick pipe, the butt joint sleeve is in sealing sleeve connection with the butt joint pipe of the sampling cup (1), and the other end of the communicating pipe is inserted into the bottom of the sampling cup (1);
the right half of drum connecting piece (4) is filled with cylindric shutoff piece (6), the one end of communicating pipe is passed in cylindric shutoff piece (6), play liquid hole has all been seted up to the outer wall top and the bottom of communicating pipe one end, it can be stopped up by cylindric shutoff piece (6) to go out the liquid hole.
2. A urine sampler for urinalysis in nephrology according to claim 1, wherein: a threaded hole is formed in the middle of the outer surface of the cylinder connecting piece (4), and a limiting bolt (7) is arranged on the threaded hole.
3. A urine sampler for urinalysis in nephrology according to claim 1, wherein: a hemispherical blocking piece is arranged in the middle of the inner wall of the thick pipe and made of rubber materials.
4. A urine sampler for urinalysis in nephrology according to claim 1, wherein: and a sealing ring (8) is sleeved on the outer wall of the butt joint pipe at the bottom of the sampling cup (1), and the outer wall of the sealing ring (8) is in sealing fit with the inner wall of the butt joint pipe of the sealing cap puncturing piece (5).
5. A urine sampler for urinalysis in nephrology according to claim 1, wherein: the sampling cup is characterized in that a wiping cotton sleeve for wiping a communicating pipe is arranged on the inner wall of the butt joint pipe at the bottom of the sampling cup (1), the wiping cotton sleeve is located at the left end of the butt joint pipe, the communicating pipe penetrates through an opening at the right end of the butt joint pipe, and a gap between the communicating pipe and the opening at the right end of the butt joint pipe is smaller than 0.2 mm.
6. A urine sampler for urinalysis in nephrology according to claim 1, wherein: the sealing cap (3) and the cylindrical plugging piece (6) are both made of silica gel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952968.4A CN113397609B (en) | 2021-08-19 | 2021-08-19 | Urine sampler of nephrology dept urine examination usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952968.4A CN113397609B (en) | 2021-08-19 | 2021-08-19 | Urine sampler of nephrology dept urine examination usefulness |
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| Publication Number | Publication Date |
|---|---|
| CN113397609A true CN113397609A (en) | 2021-09-17 |
| CN113397609B CN113397609B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110952968.4A Expired - Fee Related CN113397609B (en) | 2021-08-19 | 2021-08-19 | Urine sampler of nephrology dept urine examination usefulness |
Country Status (1)
| Country | Link |
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| CN (1) | CN113397609B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395469A (en) * | 2022-01-25 | 2022-04-26 | 厦门大学附属第一医院 | Umbilical cord blood hematopoietic stem cell separation equipment, stem cell culture and type selection method and application of stem cell culture and type selection method to allergic rhinitis |
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2021
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116066A (en) * | 1977-12-12 | 1978-09-26 | Becton, Dickinson And Company | Specimen sampler cup |
| US4393881A (en) * | 1979-09-24 | 1983-07-19 | Shah Nayan S | Midstream urine collection device |
| US5569225A (en) * | 1995-06-29 | 1996-10-29 | Gkr Industries, Inc. | Bodily fluid test kit and method of testing bodily fluids |
| US20110094319A1 (en) * | 2005-07-28 | 2011-04-28 | Infinite Medical Technology Corp. | Needle-free, safety biological sample collection system |
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| CN107981890A (en) * | 2017-12-19 | 2018-05-04 | 大连科万维医疗科技有限公司 | Disposable middle segment urine sample collection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395469A (en) * | 2022-01-25 | 2022-04-26 | 厦门大学附属第一医院 | Umbilical cord blood hematopoietic stem cell separation equipment, stem cell culture and type selection method and application of stem cell culture and type selection method to allergic rhinitis |
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| Publication number | Publication date |
|---|---|
| CN113397609B (en) | 2022-02-25 |
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