CN216955333U - Disposable urine collecting tube without opening cover - Google Patents
Disposable urine collecting tube without opening cover Download PDFInfo
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- CN216955333U CN216955333U CN202123442803.7U CN202123442803U CN216955333U CN 216955333 U CN216955333 U CN 216955333U CN 202123442803 U CN202123442803 U CN 202123442803U CN 216955333 U CN216955333 U CN 216955333U
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- tube
- collection tube
- disposable
- urine collection
- lid
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- 210000002700 urine Anatomy 0.000 title claims abstract description 59
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000035515 penetration Effects 0.000 claims abstract 2
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 5
- 230000002485 urinary effect Effects 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000009535 clinical urine test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005353 urine analysis Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The application discloses disposable urine of exempting from to uncap gathers pipe includes: a tube cap, a septum, and a tube body; when the tube cover is connected with the tube body, the diaphragm is positioned between the tube body and the tube cover, so that a closed space for containing urine to be detected is formed inside the tube body; wherein the membrane is a membrane-like structure that is impermeable to liquids and allows a sampling needle to pass through, and has a hanging-drop-like configuration selected from the group consisting of: the septum is concave towards the bottom of the tube, or the septum is convex towards the tube orifice, the top of the concave or convex portion having a piercing surface that is flat and that fits and allows the sampling needle to pass through. The application is adapted to different sampling needle penetrations; the flat modeling of the puncture surface is easy to realize in the manufacturing process; the sealing performance is further improved, and the overflow probability of the sampling liquid in the tube is close to 0%.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a disposable urine collecting tube.
Background
At present, a full-automatic urine analyzer and a urinary sediment analyzer are popularized in medical institutions of China, and the analyzer automatically collects urine by using a sample suction needle for subsequent detection. Before this, the collection tube cover must be unscrewed manually by the inspector, and this sample pretreatment mode not only increases the low-end and repetitive work of the technician, but also increases the medical protection risk of the technician.
In addition, some puncture-type urine test tubes include a puncture membrane, however, the prior art membranes are flat, and once liquid accumulates or remains on the flat membrane, the urine analyzer will mistakenly detect the accumulated or remaining liquid outside the tube as the liquid level of the urine sample.
SUMMERY OF THE UTILITY MODEL
The inventors of the present application have made extensive studies to develop a disposable urine collection tube including a novel separator, which facilitates the achievement of a manufacturing process while ensuring sealability.
The application discloses exempt from disposable urine of uncapping and gather pipe includes: a tube cap, a septum, and a tube body;
when the tube cover is connected with the tube body, the diaphragm is positioned between the tube body and the tube cover, so that a closed space for containing urine to be detected is formed inside the tube body;
wherein the membrane is a membrane-like structure that is impermeable to liquids and allows a sampling needle to pass through, and has a hanging-drop-like configuration selected from the group consisting of: the septum is concave towards the bottom of the tube, or the septum is convex towards the tube orifice, the top of the concave or convex portion having a piercing surface that is flat and that fits and allows the sampling needle to pass through.
In a preferred embodiment, the piercing surface is circular and the diameter ds of the circle is in the range of 0mm < ds < 10 mm.
In a preferred embodiment, the membrane is fixedly arranged, attached or adhered to the tube cover.
In a preferred embodiment, the depressed portion or the raised portion has a decreasing thickness in a direction extending from the outer edge to the piercing surface.
In a preferred embodiment, the depressed portion or the raised portion has a thickness t1 and the piercing surface of the septum has a thickness t2, wherein,
the value range of t1 is more than or equal to 0.5mm and less than or equal to t1 and less than or equal to 3 mm; d is more than or equal to 5 mu m and less than or equal to 1mm in the value range of t 2.
In a preferred embodiment, the ratio of t1 to t2 is δ, wherein δ is in the range of 2 ≦ δ ≦ 106.
In a preferred embodiment, the diaphragm further includes: the thickness of the connecting part is t3, wherein the value range of t3 is 0.5 mm-t 3-3 mm.
In a preferred embodiment, the disposable cap-free urine collection tube has a capacity of 5-20 ml.
In a preferred embodiment, the tube cover and the tube body are detachably connected through threads.
In a preferred example, the connecting portion is provided with a thread, and the connecting portion is configured to be in threaded connection with the pipe body.
In a preferred embodiment, the tube cover is provided with one or more stop protrusions on the outer side in the circumferential direction for preventing the disposable urine collection tube from rolling freely when lying on a horizontal plane.
In a preferred example, the diaphragm is provided with non-through notches which assist the membrane-shaped structure penetrated by the sampling needles, the non-through notches are uniformly distributed along the circumference of the flat surface, the non-through notches extend from the outer edge of the diaphragm to the outer edge of the flat puncturing surface, the number of the non-through notches is n, and the value range of n is more than or equal to 0 and less than or equal to 6.
In a preferred embodiment, the non-through cut has one or more characteristics selected from the group consisting of:
(a) the value range of the ratio of the thickness of the non-penetrating notch to the thickness of the diaphragm is 1% -10%;
(b) the uncut thickness ranges from 0.005 mm to 0.3 mm.
In a preferred embodiment, the height h3 of the piercing surface from the nozzle is in the range of: h3 is more than or equal to 2mm and less than or equal to 4 mm.
In a preferred embodiment, the membrane is a hydrophobic membrane.
In a preferred embodiment, a plurality of reinforcing ribs are arranged around the nipple bottom at the bottom of the tube body.
In a preferred example, the disposable urine collection tube is adapted to fit with an automatic urine analyzer or an automatic urinary sediment analyzer, and the sampling needle is a sampling needle of the automatic urine analyzer or a sampling needle of the automatic urinary sediment analyzer.
The disposable urine collection tube according to the present application has at least the following technical effects:
1. the cover is not required to be taken off manually, the urine analyzer is directly used for detection, the full-automatic flow of urine analysis is perfected, the workload of inspectors is greatly reduced, the working comfort is improved, and the medical protection level of the inspectors is improved;
2. reducing the risk of contaminating the urine sample;
3. the collecting pipe can be kept still on a horizontal desktop, so that inconvenience brought to use due to random rolling and even falling of the collecting pipe is eliminated;
4. the ratio of the thickness of the non-penetrating notch to the thickness of the diaphragm is 1% -10%, so that the liquid tightness of the internal sample is ensured while the sampling needle is easy to penetrate through, and the sample is effectively prevented from overflowing.
5. The detachable diaphragm has various shapes and is suitable for different sampling needles to penetrate through.
6. The flat shaping of the piercing surface is easy to achieve in the manufacturing process.
7. The sealing performance is further improved, and the overflow probability of the sampling liquid in the tube is close to 0%.
Drawings
FIG. 1 is a front view of a disposable urine collection tube having a cap with a septum having an upper or lower protrusion attached thereto according to an embodiment of the present invention;
FIG. 2 is a side view of a disposable urine collection tube having a septum with an upper or lower protrusion attached to the tube cap in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a disposable urine collection tube having a septum with an upper or lower protrusion attached to the cap according to an embodiment of the present invention;
FIG. 4a is a top view of a tube cap (septum with recessed portion) of a disposable urine collection tube according to another embodiment of the present invention;
FIG. 4b is a bottom view of a tube cap (septum with recessed portion) of a disposable urine collection tube according to another embodiment of the present invention;
FIG. 4c is a side view of a tube cap (septum having a convex or concave portion) of a disposable urine collection tube according to another embodiment of the present invention;
FIG. 5a is a top view of a septum of a disposable urine collection tube (having an upwardly convex portion and a piercing surface) according to another embodiment of the present invention;
FIG. 5b is a top view of a septum (having a recessed portion and a piercing surface) of a disposable urine collection tube according to another embodiment of the present invention;
FIG. 5c is a side view of a septum (having an upwardly convex portion and a piercing surface) of a disposable urine collection tube according to another embodiment of the present invention;
fig. 5d is a side view of a septum (having a recessed portion and a piercing surface) of a disposable urine collection tube according to another embodiment of the present invention.
Description of reference numerals:
10-tube cap
102-stop lug
30-tube body
40-diaphragm
401-upper convex part
402-planar surface
403-connecting part
Detailed Description
In the following description, numerous technical details are set forth in order to provide a better understanding of the present application. However, it will be understood by those skilled in the art that the technical solutions claimed in the present application may be implemented without these technical details and with various changes and modifications based on the following embodiments.
Term(s) for
As used herein, "collection tube," "urine collection tube," "disposable urine collection tube," "test tube" are used interchangeably and refer to disposable urine collection tubes according to the present application.
A disposable urine collection tube as shown in fig. 1 to 2 comprises a tube cap 10, a septum 40 and a tube body 30. The pipe cover 10 is cylindrical, the height is 10mm, the outer diameter of the top is 19.5mm-21.4mm, the inner diameter is 13.5mm-15mm, a through hole is formed in the top, and the through hole penetrates through the pipe cover; the outside of the tube cover 10 in the circumferential direction is provided with one or more stopping protrusions 102 for preventing the disposable urine collection tube from rolling freely when it is placed transversely on a horizontal plane. The stop lug is in a semicircular shape and has a diameter of 3-6 mm. The stop protrusions are preferably 4 and evenly distributed along the circumference. The cap 10 may optionally be formed of a colored plastic material.
The membrane 40 is fixedly disposed inside the cap 10, i.e., on the side connected to the shaft, in a form fixedly disposed, attached, or adhered, as shown in fig. 1 to 3. Optionally, the septum is tightly sandwiched by the cap 10 and body 30 when mated. The membrane 40 has a hanging-drop like shape. The pendant drop-like formations may have convex portions or may have concave portions. In one embodiment, the hanging-drop-like shape has a convex portion, as shown in FIG. 5 a. At the top of the raised portion is a flat surface, i.e., piercing surface 402, for fitting to an automatic sampler and for passage of a piercing needle therethrough. Diaphragm 40 also has a connection portion 403. connection portion 403 is a circumferential flange on the outer periphery of the diaphragm and has threads to removably attach diaphragm 40 to the tube body in a threaded connection, in such a way that when attached to tube body 30, the diaphragm is located between the cap and the tube body. In one embodiment, the hanging-drop-like shape is concave towards the bottom of the tube, or convex towards the spout, as shown in figure 5 b. As shown in FIG. 5b, whenThe diameter d of the piercing surface when the suspended drop-like formation is recessed towards the bottom of the tubesA value range of2mm≤dsLess than or equal to 10 mm. Height h of puncture surface from tube opening3The value range is as follows: h is not less than 2mm3≤4mm。
The thickness of the septum 40 is tapered, decreasing in thickness in a direction extending from the concave or convex portion along the outer edge to the piercing surface. As shown in fig. 5b, the thickness of the depressed portion is t1，t1T is not less than 0.5mm1Less than or equal to 3 mm; flat piercing surface thickness t2,t2D is not less than 5 mu m and not more than 1 mm. In another preferred embodiment, the thickness t of the piercing surface2Is 20-50 μm.
As shown in fig. 5 a-5 d, the septum 40 has a non-penetrating notch therein; the thickness of the non-penetrating notch was 20 μm. Defining the ratio of the thickness of the non-penetrating notch to the thickness of the diaphragm as a cut-through rate, wherein the cut-through rate ranges from 1% to 10%; the uncut thickness ranges from 0.005 mm to 0.3 mm. In this example, the cut-through rate was 1% to 10%.
The diaphragm 40 is made of a hydrophobic material.
The tube 30 is made of transparent plastic material. And the tube body is provided with volume measurement scales and sample upper and lower limit warning lines. The height of the pipe body is 105mm, the outer diameter is 16mm, and the inner diameter is 14 mm. The bottom of the tube is provided with a fixed protrusion matched with the full-automatic urine analyzer, namely, the bottom of a nipple, the height of the fixed protrusion is 12mm, and the fixed protrusion is streamline from top to bottom.
The disposable urine collecting tube without opening cover has a capacity of 5-20 ml, preferably 8-15 ml.
When in use, a patient collects a urine sample in the tube body 30, and the tube cover 10 is arranged on the tube body and screwed tightly by the threads. Because the puncture surface of the diaphragm is a flat surface, high tightness is ensured, and the overflow probability of the collected liquid in the tube is close to 0%. The collection tube is fed into an automatic urine analyzer and the sampling needle pierces the septum 40 without obstruction into the lumen of the tube to draw the sample. After sampling, the disposable urine collection tube is disposable.
All documents mentioned in this application are to be considered as being integrally included in the disclosure of this application so as to be subject to modification as necessary. Further, it is understood that various changes or modifications may be made to the present application by those skilled in the art after reading the above disclosure of the present application, and such equivalents are also within the scope of the present application as claimed.
Claims (17)
1. A disposable, uncapped, urine collection tube, comprising: a tube cap, a septum, and a tube body;
when the tube cover is connected with the tube body, the diaphragm is positioned between the tube body and the tube cover, so that a closed space for containing urine to be detected is formed inside the tube body;
wherein the membrane is a membrane-like structure that is impermeable to liquid and allows a sampling needle to pass through, and has a hanging-drop-like configuration selected from the group consisting of: the septum is concave towards the bottom of the tube, or the septum is convex towards the tube orifice, the top of the concave or convex portion having a piercing surface that is flat and that fits and allows the sampling needle to pass through.
2. The lid-free disposable urine collection tube of claim 1 wherein said piercing surface is circular and said diameter d of said circle issThe value range is that d is more than 0mms≤10mm。
3. The lid-free disposable urine collection tube of claim 1 wherein the septum is fixedly disposed on, attached to, or adhered to the tube lid.
4. A disposable, lid-free diaper collection tube according to claim 1, wherein said recessed portion or said raised portion decreases in thickness in a direction extending from the outer edge to the piercing surface.
5. The lid-free disposable diaper collection tube of claim 4, wherein the depressed portion or the raised portion has a thickness t1Said piercing of said septumThe thickness of the thorn surface is t2Wherein, in the step (A),
t1the value range of (1) is not less than 0.5mm and not more than t1≤3mm；t2D is not less than 5 mu m and not more than 1 mm.
6. The lid-free disposable diaper collection tube of claim 5, wherein t is t1And t2The ratio of (A) is delta, wherein the value range of delta is more than or equal to 2 and less than or equal to 106。
7. The disposable, uncapped, urine collection tube of claim 6, wherein said septum further comprises: a connecting part having a thickness t3Wherein, t3T is not less than 0.5mm3≤3mm。
8. The lid-free disposable urine collection tube of claim 1 wherein the lid-free disposable urine collection tube has a capacity of 5-20 ml.
9. The lid-free disposable urine collection tube of claim 7 wherein the cap is removably threaded to the body.
10. The disposable, uncapped urine collection tube of claim 9, wherein said connector is provided with threads thereon, said connector being configured to effect said threaded connection with said tube body.
11. A disposable, lid-free urine collection tube according to claim 1, wherein said tube lid is provided with one or more stop protrusions on the outside in the circumferential direction for preventing random rolling of said disposable urine collection tube when placed across a horizontal surface.
12. The disposable urine collection tube of claim 10 wherein the septum has non-through notches in a membrane configuration that assist in the penetration of the sampling needles, the non-through notches being evenly spaced along the circumference of the planar surface, the non-through notches extending from the outer edge of the septum to the outer edge of the planar puncture surface, the number of non-through notches being n, the n being in the range of 0 ≦ n ≦ 6.
13. The disposable, uncapped, liquid collection tube of claim 12, wherein said non-through notch has one or more characteristics selected from the group consisting of:
(a) the value range of the ratio of the thickness of the non-penetrating notch to the thickness of the diaphragm is 1% -10%;
(b) the uncut thickness ranges from 0.005 to 0.3 mm.
14. The disposable, uncapped, urine collection tube of claim 12, wherein said piercing surface has a height h from the spout3The value range is as follows: h is not less than 2mm3≤4mm。
15. The lid-free disposable urine collection tube of claim 1 wherein the septum is a hydrophobic membrane.
16. The lid-free disposable urine collection tube according to claim 1, wherein a plurality of ribs are provided around the nipple bottom of the tube body bottom.
17. The lid-free disposable urine collection tube of claim 1 wherein the disposable urine collection tube is adapted to fit an automatic urine analyzer or an automatic urinary sediment analyzer and the sampling needle is a sampling needle of an automatic urine analyzer or a sampling needle of an automatic urinary sediment analyzer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442803.7U CN216955333U (en) | 2021-12-31 | 2021-12-31 | Disposable urine collecting tube without opening cover |
| PCT/CN2022/074408 WO2023024434A1 (en) | 2021-08-23 | 2022-01-27 | Disposable urine collection tube without need to be uncapped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442803.7U CN216955333U (en) | 2021-12-31 | 2021-12-31 | Disposable urine collecting tube without opening cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955333U true CN216955333U (en) | 2022-07-12 |
Family
ID=82315096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123442803.7U Active CN216955333U (en) | 2021-08-23 | 2021-12-31 | Disposable urine collecting tube without opening cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955333U (en) |
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2021
- 2021-12-31 CN CN202123442803.7U patent/CN216955333U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Effective date of registration: 20240514 Address after: No. 29-5-4, Dongyi Lane, Chungang Street, Zhongshan District, Dalian City, Liaoning Province, 116000 Patentee after: Wu Shen Country or region after: China Address before: 201304 zone a, floor 4, No. 15, Lane 319, Wansong Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Shanghai Feiyu Biotechnology Co.,Ltd. Country or region before: China |