CN205144614U - Urine collector - Google Patents
Urine collector Download PDFInfo
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- CN205144614U CN205144614U CN201520987635.5U CN201520987635U CN205144614U CN 205144614 U CN205144614 U CN 205144614U CN 201520987635 U CN201520987635 U CN 201520987635U CN 205144614 U CN205144614 U CN 205144614U
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Abstract
The utility model provides an urine collector belongs to medical apparatus technical field. It is comparatively troublesome that it has solved the operation of current urine collector, the lower problem of sanitary degree. This urine collector, including collecting the cup, catheter and test tube, the connecting hole has been seted up on the lateral wall of collection cup, fixed the pegging graft in the connecting hole of one end of catheter, and the catheter is linked together with the collection cup, the sealed end cap that has linked firmly of port of test tube, spliced eye and venthole have been seted up on the end cap respectively, the other end of catheter is pegged graft in the spliced eye, and the catheter is linked together with the test tube, test tube and catheter all are located the lateral part of collecting the cup, be equipped with the block structure that can control the catheter break -make on the catheter. This urine collector is used for collecting the urine to the in vitro, and convenient to use, safety are more sanitary.
Description
Technical field
This utility model belongs to medical apparatus technical field, relates to a kind of urine collector.
Background technology
Uroscopy comprises urine analysis of blood, formation in urine detects (as urine erythrocyte, leukocyte etc.), protein ingredient quantitative assay, urine enzymatic determination etc., uroscopy to clinical diagnosis, judge that curative effect and prognosis have very important value.Uroscopy needs to extract urine specimen, and current common way is stored in collection cups by urine, the urine in collection cups being poured in vitro during detection, and easily in operation pour out outside test tube by urine, inadequate health, and operation comparatively bothers.
For the problems referred to above, Chinese utility model patent application (application number: 200820104487.8) disclose a kind of disposable quantitative sampler for urine, technical scheme is: the hopper outlet of band holder handle connects flexible catheter, the autocontrol valve hypomere connect under flexible catheter inserts in vitro through test tube cap, sample intake passage and exhaust passage is established in autocontrol valve, air exit is positioned at sample introduction outlet top, but because this funnel is difficult to keep flat on the table, and flexible catheter is connected out by the lower end of funnel, therefore whole sampler all needs hands to hold in operation, operation comparatively bothers, simultaneously because invisible spectro urine needs the plug on test tube to extract when detecting, now invisible spectro abnormal flavour will enter operating room, a large amount of test tube uroscopys will cause work IAQ (indoor air quality) to be deteriorated.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of urine collector, and this urine collector is used for by urine collecting in vitro, easy to use, safe, health more.
The purpose of this utility model realizes by following technical proposal: a kind of urine collector, comprise collection cups, catheter and test tube, it is characterized in that, the sidewall of described collection cups offers connecting hole, one end of described catheter is fixedly plugged in connecting hole, and catheter is connected with collection cups, the port sealing of described test tube is fixed with plug, described plug offers spliced eye and venthole respectively, the other end of described catheter is plugged in spliced eye, and catheter is connected with test tube, described test tube and catheter are all positioned at the sidepiece of collection cups, described catheter is provided with the plugging structure that can control catheter break-make.
Collection cups and catheter are for being fixedly connected with, and the plug of catheter and test tube is removably connected by tight fit, during use, catheter blocks by plugging structure, urine is stored in collection cups by user, during detection, the end of catheter is inserted in the spliced eye of plug by medical personnel, after unlatching plugging structure, because one end of catheter is connected with the sidepiece of collection cups, and in order to make the urine in collection cups all can derive, therefore connecting hole is near collection cups bottom surface place, and the other end of catheter is connected with plug, namely the axial line of catheter and the axial line of test tube almost parallel, therefore test tube is in horizontal positioned state, namely in collection cups, the liquid level of urine is higher, this urine can enter in vitro by catheter, meanwhile venthole discharges in vitro gas, easy to use, and urine can not flow to outside, health more, further, because test tube and catheter are all positioned at the sidepiece of collection cups, therefore collection cups can horizontal stable placement on the table, collection cups is avoided to topple over, safer.
In above-mentioned urine collector, described plugging structure comprises spool and the valve rod of column, described catheter lateral wall radially offers installing hole, this installing hole is connected with catheter endoporus, and the aperture of installing hole is greater than the aperture of catheter endoporus, described spool is slidably connected in installing hole, and the lateral wall of spool reclines mutually with installing hole hole wall, one end of described valve rod is connected on spool, and the other end stretches out installing hole.Spool is plugged in installing hole, and the sidewall of spool is relative with the endoporus of catheter, and now catheter blocks by spool, and presses valve rod, and then promotion spool moves to installing hole one end, and make spool depart from the endoporus of catheter, namely catheter is communicated with, easy to operate.
In above-mentioned urine collector, the inner end face of described valve rod has the connecting portion of column, the end face of described connecting portion has joint pin, the inner of described spool is connected on joint pin, and the external diameter of described connecting portion is less than the aperture of installing hole.Connecting portion and joint pin are for being connected spool, the external diameter of connecting portion is less than installing hole aperture simultaneously, therefore when spool moves and departs from catheter endoporus, connecting portion lateral wall is relative with catheter endoporus, and catheter is communicated with by the space between connecting portion lateral part with installing hole medial wall.
In above-mentioned urine collector, installing hole is stretched out in the outer end of described spool, and on the lateral wall, one end of stretching out, circumference has limit convex edge, and the external diameter on described limit convex edge is greater than the aperture of installing hole.When limit convex is along when leaning with catheter, spool is relative with catheter endoporus, and now catheter is in closed condition.
In above-mentioned urine collector, described plugging structure comprises stick, described catheter lateral wall radially offers pilot hole, this pilot hole is connected with catheter endoporus, and the aperture of pilot hole is greater than the aperture of catheter endoporus, one end of described pilot hole is closed, above-mentioned stick sliding plug is in pilot hole, and the other end of pilot hole is stretched out in one end of stick, the external diameter of described stick is less than the aperture of pilot hole, stick has the closure part of column, the external diameter of this closure part is identical with the aperture of pilot hole, also back-moving spring is provided with in described pilot hole, under the effect of back-moving spring, the endoporus of catheter blocks by the closure part of stick.In like manner, under the effect of back-moving spring, lateral wall, closure part is relative with catheter endoporus, now catheter blocks by closure part, and pressing stick, the movement of closure part compression reseting spring also departs from catheter endoporus, and now stick lateral wall is relative with catheter endoporus, namely catheter is communicated with by the space between stick lateral wall with pilot hole medial wall, easy to operate.
In above-mentioned urine collector, the end face of described closure part offers blind hole, the bottom surface of described blind hole has limited post, described back-moving spring is set on limited post, and one end of back-moving spring is pressed on blind hole bottom surface, the other end is pressed on pilot hole bottom surface.Limited post is used for position reset spring, simultaneously when limited post and pilot hole bottom surface against time catheter be in connected state, use convenient.
In above-mentioned urine collector, the lateral wall of described catheter radially has column, above-mentioned pilot hole is opened on column, one end that described stick stretches out pilot hole is also fixed with bonnet, this bonnet is set on column, on described bonnet medial wall, circumference has convex edge, and on the lateral wall of described column, circumference has locating slot, when convex is relative with catheter endoporus along the lateral wall of stick when being connected in locating slot.Bonnet is for operating pressing, and when catheter is communicated with, action bars is coordinated with locating slot by convex edge simultaneously, makes operating handle better, more convenient to operate.
In above-mentioned urine collector, described stick also has the guide part of column, this guide part lateral wall reclines mutually with pilot hole medial wall, and on described guide part lateral wall, circumference offers seal groove, be arranged with sealing ring in described seal groove, sealing circle compresses mutually with pilot hole medial wall.Guide part is positioned at one end, aperture of pilot hole, makes operating lever operation more stable, and sealing ring can seal pilot hole simultaneously, and when avoiding catheter to be communicated with, urine is overflowed from pilot hole, uses health more.
In above-mentioned urine collector, described plug is column, this plug is fixed in test tube port by tight fit grafting, described plug is also connected with cover plate, the side of described cover plate have respectively choking portion one and the choking portion two of protrusion, when catheter departs from plug, choking portion one can seal and be plugged in spliced eye, and choking portion two can seal and be plugged in venthole.After the urine in collection cups enters test tube by catheter, catheter is extracted from plug, cover plate and plug adopt integrally moulded simultaneously, cover plate is connected on plug, but can relatively overturn by plug, namely seal spliced eye by choking portion one after cover plate upset, seal venthole by choking portion two, avoid invisible spectro urine pour out or polluted.
In above-mentioned urine collector, the cross section of described venthole and the cross section of choking portion two are all in strip.Directly reagent paper can being inserted from venthole when checking urine, without the need to being extracted by plug, using convenient, health.
Compared with prior art, this urine collector has the following advantages:
1, because the liquid level of urine in collection cups is higher, this urine can enter in vitro by catheter, and meanwhile venthole discharges in vitro gas, easy to use, and urine can not flow to outside, health more.
2, because test tube and catheter are all positioned at the sidepiece of collection cups, therefore collection cups can horizontal stable placement on the table, avoid collection cups to topple over, safer.
3, because the cross section of venthole is strip, directly reagent paper can being inserted from venthole when checking urine, without the need to being extracted by plug, using convenient, health.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this urine collector.
Fig. 2 is the schematic enlarged-scale view at A place in Fig. 1.
Fig. 3 is the perspective view of plug.
Fig. 4 is the structure sectional view of urine collector in embodiment two.
Fig. 5 is the schematic enlarged-scale view at B place in Fig. 4.
In figure, 1, collection cups; 11, connecting hole; 2, catheter; 21, installing hole; 22, pilot hole; 23, column; 231, locating slot; 3, test tube; 4, plug; 41, spliced eye; 42, venthole; 43, cover plate; 44, choking portion one; 45, choking portion two; 5, plugging structure; 51, spool; 511, limit convex edge; 52, valve rod; 521, connecting portion; 522, joint pin; 53, stick; 54, closure part; 541, blind hole; 542, limited post; 55, back-moving spring; 56, bonnet; 561, convex edge; 57, guide part; 571, seal groove; 58, sealing ring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiments.
Embodiment one:
As shown in Figure 1, a kind of urine collector, comprise collection cups 1, catheter 2 and test tube 3, the sidewall of collection cups 1 offers connecting hole 11, one end of catheter 2 is fixedly plugged in connecting hole 11, and catheter 2 is connected with collection cups 1, the port sealing of test tube 3 is fixed with plug 4, plug 4 offers respectively spliced eye 41 and venthole 42, the other end of catheter 2 is plugged in spliced eye 41, and catheter 2 is connected with test tube 3, described catheter 2 is provided with the plugging structure 5 that can control catheter 2 break-make, collection cups 1 and catheter 2 are for being fixedly connected with, and catheter 2 and the plug 4 of test tube 3 are removably connected by tight fit, during use, catheter 2 blocks by plugging structure 5, urine is stored in collection cups 1 by user, during detection, the end of catheter 2 is inserted in the spliced eye 41 of plug 4 by medical personnel, after unlatching plugging structure 5, because one end of catheter 2 is connected with the sidepiece of collection cups 1, and in order to make the urine in collection cups 1 all can derive, therefore connecting hole 11 is near collection cups 1 bottom surface place, and the other end of catheter 2 is connected with plug 4, namely the axial line of catheter 2 and the axial line of test tube 3 almost parallel, therefore test tube 3 is in horizontal positioned state, namely in collection cups 1, the liquid level of urine is higher, this urine can enter in test tube 3 by catheter 2, meanwhile venthole 42 discharges gas in test tube 3, easy to use, and urine can not flow to outside, health more, further, test tube 3 and catheter 2 are all positioned at the sidepiece of collection cups 1, therefore collection cups 1 can horizontal stable placement on the table, collection cups 1 is avoided to topple over, safer.
Specifically, composition graphs 2, shown in Fig. 3, plugging structure 5 comprises spool 51 and the valve rod 52 of column, lateral wall radially offers installing hole 21 to catheter 2, this installing hole 21 is connected with catheter 2 endoporus, and the aperture of installing hole 21 is greater than the aperture of catheter 2 endoporus, spool 51 is slidably connected in installing hole 21, and the lateral wall of spool 51 reclines mutually with installing hole 21 hole wall, one end of valve rod 52 is connected on spool 51, the other end stretches out installing hole 21, spool 51 is plugged in installing hole 21, and the sidewall of spool 51 is relative with the endoporus of catheter 2, now catheter 2 blocks by spool 51, and press valve rod 52, and then promotion spool 51 moves to installing hole 21 one end, spool 51 is made to depart from the endoporus of catheter 2, namely catheter 2 is communicated with, easy to operate.The inner end face of valve rod 52 has the connecting portion 521 of column, the end face of connecting portion 521 has joint pin 522, the inner of spool 51 is connected on joint pin 522, the external diameter of connecting portion 521 is less than the aperture of installing hole 21, connecting portion 521 and joint pin 522 are for being connected spool 51, the external diameter of connecting portion 521 is less than installing hole 21 aperture simultaneously, therefore when spool 51 moves and departs from catheter 2 endoporus, connecting portion 521 lateral wall is relative with catheter 2 endoporus, and catheter 2 is communicated with by the space between connecting portion 521 lateral part with installing hole 21 medial wall.Installing hole 21 is stretched out in the outer end of spool 51, and circumference has limit convex along 511 on the lateral wall, one end of stretching out, the external diameter of limit convex along 511 is greater than the aperture of installing hole 21, when limit convex leans along 511 with catheter 2, spool 51 is relative with catheter 2 endoporus, and now catheter 2 is in closed condition.
Plug 4 is in column, this plug 4 is fixed in test tube 3 port by tight fit grafting, plug 4 is also connected with cover plate 43, the side of cover plate 43 have respectively choking portion 1 and the choking portion 2 45 of protrusion, when catheter 2 departs from plug 4, choking portion 1 can seal and be plugged in spliced eye 41, choking portion 2 45 can seal and be plugged in venthole 42, after the urine in collection cups 1 enters test tube 3 by catheter 2, catheter 2 is extracted from plug 4, cover plate 43 and plug 4 adopt integrally moulded simultaneously, cover plate 43 is connected on plug 4, but can relatively overturn by plug 4, namely cover plate 43 seals spliced eye 41 by choking portion 1 after overturning, venthole 42 is sealed by choking portion 2 45, the urine in test tube 3 is avoided to pour out or polluted.Reagent paper, all in strip, can directly insert from venthole 42 when checking urine by the cross section of venthole 42 and the cross section of choking portion 2 45, without the need to being extracted by plug 4, uses convenient, health.
Embodiment two:
The structure of this urine collector is substantially identical with embodiment one, difference is as Fig. 4, shown in Fig. 5, plugging structure 5 comprises stick 53, lateral wall radially offers pilot hole 22 to catheter 2, this pilot hole 22 is connected with catheter 2 endoporus, and the aperture of pilot hole 22 is greater than the aperture of catheter 2 endoporus, one end of pilot hole 22 is closed, stick 53 sliding plug is in pilot hole 22, and the other end of pilot hole 22 is stretched out in one end of stick 53, the external diameter of stick 53 is less than the aperture of pilot hole 22, stick 53 has the closure part 54 of column, the external diameter of this closure part 54 is identical with the aperture of pilot hole 22, back-moving spring 55 is also provided with in pilot hole 22, under the effect of back-moving spring 55, the endoporus of catheter 2 blocks by the closure part 54 of stick 53, under the effect of back-moving spring 55, lateral wall, closure part 54 is relative with catheter 2 endoporus, now catheter 2 blocks by closure part 54, and press stick 53, the movement of closure part 54 compression reseting spring 55 also departs from catheter 2 endoporus, now stick 53 lateral wall is relative with catheter 2 endoporus, namely catheter 2 is communicated with by the space between stick 53 lateral wall with pilot hole 22 medial wall, easy to operate.The end face of closure part 54 offers blind hole 541, the bottom surface of blind hole 541 has limited post 542, back-moving spring 55 is set on limited post 542, and one end of back-moving spring 55 is pressed on blind hole 541 bottom surface, the other end is pressed on pilot hole 22 bottom surface, limited post 542 for position reset spring 55, simultaneously when limited post 542 and pilot hole 22 bottom surface against time catheter 2 be in connected state, use convenient.The lateral wall of catheter 2 radially has column 23, pilot hole 22 is opened on column 23, one end that stick 53 stretches out pilot hole 22 is also fixed with bonnet 56, this bonnet 56 is set on column 23, on bonnet 56 medial wall, circumference has convex along 561, on the lateral wall of column 23, circumference has locating slot 231, when convex is connected in locating slot 231 along 561, the lateral wall of stick 53 is relative with catheter 2 endoporus, bonnet 56 is for operating pressing, when catheter 2 is communicated with, action bars is coordinated with locating slot 231 along 561 by convex simultaneously, make operating handle better, more convenient to operate.Stick 53 also has the guide part 57 of column, this guide part 57 lateral wall reclines mutually with pilot hole 22 medial wall, on guide part 57 lateral wall, circumference offers seal groove 571, sealing ring 58 is arranged with in seal groove 571, sealing circle 58 compresses mutually with pilot hole 22 medial wall, guide part 57 is positioned at one end, aperture of pilot hole 22, stick 53 is operated more stable, sealing ring 58 can seal pilot hole 22 simultaneously, when avoiding catheter 2 to be communicated with, urine is overflowed from pilot hole 22, uses health more.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as collection cups 1, connecting hole 11, catheter 2 herein, do not get rid of the probability using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with this utility model spirit.
Claims (10)
1. a urine collector, comprise collection cups (1), catheter (2) and test tube (3), it is characterized in that, the sidewall of described collection cups (1) offers connecting hole (11), one end of described catheter (2) is fixedly plugged in connecting hole (11), and catheter (2) is connected with collection cups (1), the port sealing of described test tube (3) is fixed with plug (4), described plug (4) offers respectively spliced eye (41) and venthole (42), the other end of described catheter (2) is plugged in spliced eye (41), and catheter (2) is connected with test tube (3), described test tube (3) and catheter (2) are all positioned at the sidepiece of collection cups (1), described catheter (2) is provided with the plugging structure (5) that can control catheter (2) break-make.
2. urine collector according to claim 1, it is characterized in that, described plugging structure (5) comprises spool (51) and the valve rod (52) of column, described catheter (2) lateral wall radially offers installing hole (21), this installing hole (21) is connected with catheter (2) endoporus, and the aperture of installing hole (21) is greater than the aperture of catheter (2) endoporus, described spool (51) is slidably connected in installing hole (21), and the lateral wall of spool (51) reclines mutually with installing hole (21) hole wall, one end of described valve rod (52) is connected on spool (51), the other end stretches out installing hole (21).
3. urine collector according to claim 2, it is characterized in that, the inner end face of described valve rod (52) has the connecting portion (521) of column, the end face of described connecting portion (521) has joint pin (522), the inner of described spool (51) is connected on joint pin (522), and the external diameter of described connecting portion (521) is less than the aperture of installing hole (21).
4. urine collector according to claim 3, it is characterized in that, installing hole (21) is stretched out in the outer end of described spool (51), and circumference has limit convex along (511) on the lateral wall, one end of stretching out, the external diameter of described limit convex edge (511) is greater than the aperture of installing hole (21).
5. urine collector according to claim 1, it is characterized in that, described plugging structure (5) comprises stick (53), described catheter (2) lateral wall radially offers pilot hole (22), this pilot hole (22) is connected with catheter (2) endoporus, and the aperture of pilot hole (22) is greater than the aperture of catheter (2) endoporus, one end of described pilot hole (22) is closed, above-mentioned stick (53) sliding plug is in pilot hole (22), and the other end of pilot hole (22) is stretched out in one end of stick (53), the external diameter of described stick (53) is less than the aperture of pilot hole (22), stick (53) has the closure part (54) of column, the external diameter of this closure part (54) is identical with the aperture of pilot hole (22), back-moving spring (55) is also provided with in described pilot hole (22), under the effect of back-moving spring (55), the endoporus of catheter (2) blocks by the closure part (54) of stick (53).
6. urine collector according to claim 5, it is characterized in that, the end face of described closure part (54) offers blind hole (541), the bottom surface of described blind hole (541) has limited post (542), described back-moving spring (55) is set on limited post (542), and one end of back-moving spring (55) is pressed on blind hole (541) bottom surface, the other end is pressed on pilot hole (22) bottom surface.
7. urine collector according to claim 6, it is characterized in that, the lateral wall of described catheter (2) radially has column (23), above-mentioned pilot hole (22) is opened on column (23), one end that described stick (53) stretches out pilot hole (22) is also fixed with bonnet (56), this bonnet (56) is set on column (23), on described bonnet (56) medial wall, circumference has convex along (561), on the lateral wall of described column (23), circumference has locating slot (231), when convex is connected in locating slot (231) along (561), the lateral wall of stick (53) is relative with catheter (2) endoporus.
8. urine collector according to claim 7, it is characterized in that, described stick (53) also has the guide part (57) of column, this guide part (57) lateral wall reclines mutually with pilot hole (22) medial wall, on described guide part (57) lateral wall, circumference offers seal groove (571), be arranged with sealing ring (58) in described seal groove (571), sealing circle (58) compresses mutually with pilot hole (22) medial wall.
9. urine collector as claimed in any of claims 2 to 8, it is characterized in that, described plug (4) is in column, this plug (4) is fixed in test tube (3) port by tight fit grafting, described plug (4) is also connected with cover plate (43), the side of described cover plate (43) have respectively choking portion one (44) and the choking portion two (45) of protrusion, when catheter (2) departs from plug (4), choking portion one (44) can seal and be plugged in spliced eye (41), choking portion two (45) can seal and be plugged in venthole (42).
10. urine collector according to claim 9, is characterized in that, the cross section of described venthole (42) and the cross section of choking portion two (45) are all in strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987635.5U CN205144614U (en) | 2015-12-02 | 2015-12-02 | Urine collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987635.5U CN205144614U (en) | 2015-12-02 | 2015-12-02 | Urine collector |
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| Publication Number | Publication Date |
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| CN205144614U true CN205144614U (en) | 2016-04-13 |
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| CN201520987635.5U Active CN205144614U (en) | 2015-12-02 | 2015-12-02 | Urine collector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153400A (en) * | 2016-09-13 | 2016-11-23 | 北京大学深圳医院 | Routine urinalysis sample reception device |
| CN108714036A (en) * | 2018-08-27 | 2018-10-30 | 玉环亿好医用制品有限公司 | urine collector |
| CN109770953A (en) * | 2019-02-17 | 2019-05-21 | 张云生 | A kind of Male urine collecting device and its application method |
| JP2022501608A (en) * | 2019-05-09 | 2022-01-06 | 復旦大学附属中山医院Zhongshan Hospital Of Fudan University | New convenient liquid sampling device |
-
2015
- 2015-12-02 CN CN201520987635.5U patent/CN205144614U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153400A (en) * | 2016-09-13 | 2016-11-23 | 北京大学深圳医院 | Routine urinalysis sample reception device |
| CN108714036A (en) * | 2018-08-27 | 2018-10-30 | 玉环亿好医用制品有限公司 | urine collector |
| CN109770953A (en) * | 2019-02-17 | 2019-05-21 | 张云生 | A kind of Male urine collecting device and its application method |
| CN109770953B (en) * | 2019-02-17 | 2021-06-15 | 漯河市第一人民医院 | Male urine receiving device and using method thereof |
| JP2022501608A (en) * | 2019-05-09 | 2022-01-06 | 復旦大学附属中山医院Zhongshan Hospital Of Fudan University | New convenient liquid sampling device |
| JP7082243B2 (en) | 2019-05-09 | 2022-06-07 | 復旦大学附属中山医院 | New convenient liquid sampling device |
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