CN102294077A - General anti-reflux valve for urine collector - Google Patents
General anti-reflux valve for urine collector Download PDFInfo
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- CN102294077A CN102294077A CN2010102061444A CN201010206144A CN102294077A CN 102294077 A CN102294077 A CN 102294077A CN 2010102061444 A CN2010102061444 A CN 2010102061444A CN 201010206144 A CN201010206144 A CN 201010206144A CN 102294077 A CN102294077 A CN 102294077A
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Abstract
The invention discloses a general anti-reflux valve for a urine collector. The general anti-reflux valve comprises a valve shell, a valve sheet, a first clapboard, a second clapboard and a limiting device, wherein the valve shell is provided with a urine inlet, a urine outlet and a gas exchanging window, and a valve cavity is limited on the valve shell; the valve sheet is arranged in the valve cavity; the first clapboard, the second clapboard and the limiting device are arranged in the valve cavity; the valve cavity is partitioned into an upper cavity and a lower cavity by using the first clapboard; the upper cavity is communicated with the urine inlet, and is communicated with the lower cavity through a first pore canal which is formed on the first clapboard; the second clapboard and the limiting device are arranged in the lower cavity; the second clapboard is provided with a second pore canal, so that urine flowing out of the second pore canal flows into the urine inlet; and the limiting device is used for limiting the movement of the valve sheet between the first pore canal and the second pore canal. When the urine collector is inclined due to external force, urine in a urine bag below the anti-reflux tends to flow into the valve cavity of the anti-reflux valve, and the valve sheet is attached to the lower surface of the first clapboard, so that a urine channel is blocked and the urine in the urine bag is prevented from refluxing into an intubation patient.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of clinical valve for preventing reverse-flow that is used to collect urine.
Background technology
Urine collector is clinical a kind of medical apparatus and instruments commonly used, mainly comprises apparatuses compositions such as catheter, urinal, urine outlet.When the urine collector that uses this spline structure carries out urine collecting to sufferer that can't normal voiding, the frequent property followed urinary system infection.Report according to interrelated data: urinary system infection accounts for about the 60%-70% of nosocomial infection, catheter follows sexuality to have 2%-4% to develop into the gram negative bacteria septicemia in dying, and the whole world has 30,000 people to cause that because of using catheter urinary system infection is dead every year approximately.
Pathogen is invaded by 4 kinds of approach usually and caused urinary system infections: 1. catheter is introduced bladder with the antibacterial of urethra front end during urethral catheterization.2. there is one deck urethral secretions in the space between catheter and the mucous membrane of urethra, and antibacterial can breed in this secretions, drives in the wrong direction then for entering bladder and cause infection.3. antibacterial can be driven in the wrong direction along the inner chamber of catheter and be infected bladder, especially Kai Fangxing indwelling catheter.4. the non-conformity of quality of catheter own closes aseptic requirement, has antibacterial in the pipe.
Wherein account for and infect 15%～20% of sum, the many up infection of its pathogen from urine collecting bag and gathering system thereof by approach 3 up infection.
From above-mentioned medical literature, as can be seen: the sufferer that urine can't normally be discharged, after using the urethral catheterization system, very easily suffer from the sexuality of following of urinary system and dye, cause the treatment difficulty.In addition, the use of urethral catheterization system also needs medical personnel's careful operation and prevention supervision comprehensively, has expended a large amount of time and efforts.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of residual and urine adverse current of urine that can prevent in the urine collecting process to return the valve for preventing reverse-flow in the catheter.
The technical solution adopted in the present invention is: the valve for preventing reverse-flow that a kind of urine collector is general comprises valve casing and valve block; This valve casing is provided with urine inlet, urine outlet and gas exchange window, and is limited with a valve pocket; This valve block is arranged in this valve pocket, is characterized in, this valve for preventing reverse-flow also comprises one first dividing plate, a second partition and a stopping means that is arranged in the valve pocket; First dividing plate is divided into epicoele with valve pocket and is positioned at the cavity of resorption of this epicoele below; Epicoele is communicated in urine inlet, and is communicated with cavity of resorption by first duct that is arranged on first dividing plate; Second partition and stopping means are arranged on down intracavity, and second partition is provided with second duct, and effusive urine flows into the urine outlet from this second duct, and stopping means is used to limit valve block and moves between first duct and second duct; When valve block was in the enable possition, this valve block formed the space between the upper surface of the supporting of a plurality of supporters that are provided with at interval and second partition; When valve block was in the closed position, this valve block sealed first duct.
When urine collector influenced because of being subjected to external force, the urine that is positioned at the urinal in valve for preventing reverse-flow downstream might flow out urinal, pours in the valve pocket of valve for preventing reverse-flow.This moment, valve block can float under the impact of urine, fitted in the lower surface of first dividing plate, thereby cut off the urine path, played the effect of urine from the urinal adverse current to intubated patient that stop.And when urine collector was in normal use location, the urine that flows in the valve pocket can flow in the urine outlet from first dividing plate and second partition at an easy rate, thereby can not cause urine residual in this reflux valve.The present invention is simple in structure, and is easy to use, is fit to various urine collectors and uses.
Description of drawings
Fig. 1 is the perspective exploded view of a kind of embodiment of valve for preventing reverse-flow of the present invention.
Fig. 2 is the structural representation of a kind of embodiment of valve for preventing reverse-flow of the present invention.
Fig. 3 is the generalized section of a kind of embodiment of valve for preventing reverse-flow of the present invention, there is shown second partition of the present invention, guardrail and supporter.
Fig. 4 is the generalized section of a kind of embodiment of valve for preventing reverse-flow of the present invention, there is shown first dividing plate of the present invention, second partition and valve block.
Fig. 5 is the generalized section of a kind of embodiment of valve for preventing reverse-flow of the present invention, there is shown second partition of the present invention, guardrail and valve block.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is made and to further specify.
Referring to figs. 1 to Fig. 5, valve for preventing reverse-flow of the present invention comprises valve casing 1 and valve block 2.Valve casing 1 is provided with urine inlet 3, urine outlet 4 and gas exchange window 5, and is limited with a valve pocket 10.Urine inlet 3 is used to be communicated with the catheter of keeping somewhere in the human body urinary system, and urine outlet 4 is used to be communicated with the urinal of storage of urine.Valve block 2 is arranged in the valve pocket 10, also is provided with first dividing plate 11, second partition 12 and stopping means in the valve pocket 10.First dividing plate 11 is divided into epicoele 10a with valve pocket 10 and is positioned at the cavity of resorption 10b of this epicoele 10a below; Epicoele 10a is communicated in urine inlet 3, and is communicated with cavity of resorption 10b by first duct 110 that is arranged on first dividing plate 11.Second partition 12 and stopping means are arranged on down intracavity, and second partition 12 is provided with second duct 120, flow into urine outlet 4 from these second duct, 120 effusive urines, and stopping means is used to limit valve block 2 and moves between first duct 110 and second duct 120.
To one embodiment of the present invention illustrated in fig. 5, first duct 110 and second duct 120 are a through hole at Fig. 1.The centrage of urine inlet 3, first duct 110, second duct 120 and urine outlet 4 is coaxial.The roof 101 of valve pocket 10 is provided with a pair of gas exchange window 5, is provided with the ventilated membrane of known type in each gas exchange window 5, and this ventilated membrane heat seal is on the lateral surface of this roof 101.These two gas exchange windows 5 lay respectively at the both sides of urine inlet 3, and the top of each gas exchange window is equipped with a baffle plate 18, and baffle plate 18 can play the effect of the ventilated membrane in the protective gas exchange window.As shown in Figure 1, these two baffle plates 18 link to each other with a sidewall of valve casing.On the roof 101 of valve pocket 10, also be provided with two water fenders 17 that in valve pocket 10, extend, wherein a water fender 17 is arranged between one of them gas exchange window 5 and the urine inlet 3, and another piece water fender 17 is arranged between another gas exchange window 5 and the urine inlet 3.Water fender can prevent to spatter ventilated membrane in the gas exchange window with water from the urine that urine inlet 3 flows into.First dividing plate 11 is by a base plate 111 and be located at these base plate 111 both sides and upwardly extending two side plates 112 are formed.Base plate 111 is horizontally disposed with, and two side plates 112 are all with respect to these base plate 111 outward-dipping settings, and first duct 110 is arranged on the base plate 111.Because side plate 112 has certain gradient, therefore the urine that flows on first dividing plate 11 from urine inlet 3 is easy to converge on the base plate 111, and flows out epicoele 10a from first duct 110.The shape of second partition 12 is similar to the shape of first dividing plate 11, by a base plate 121 be located at these base plate 121 both sides and upwardly extending two side plates 122 are formed.Base plate 121 is horizontally disposed with, and two side plates 122 are all with respect to these base plate 121 outward-dipping settings, and second duct 120 is arranged on the base plate 121.Make that like this urine that flows on the second partition 12 is easy to converge on the base plate 121, and flow in the urine outlet 4, thereby can guarantee this valve for preventing reverse-flow in the urine collecting process from second duct 120, can residual urine in the whole valve pocket 10.Stopping means is a plurality of guardrails 13 that are disposed on base plate 121 upper surfaces, these a plurality of guardrails 13 be looped around second duct 120 around, the spacing between the free end of guardrail 13 and the base plate 111 is less than the thickness of valve block 2.
First dividing plate 11 and second partition 12 are not limited to have only the form of two side plates, and the quantity of side plate is that the shape according to valve casing changes, and these side plates are arranged on the outer rim of base plate, also can be 1,3 etc.And in other embodiment, first dividing plate 11 and second partition 12 also can be dull and stereotyped.Guardrail 13 also is not limited to be arranged on base plate 121 upper surfaces, for example also can be arranged on the lower surface of base plate 111.
Be at urine collector under the situation of normal use, urine flows in the epicoele 10a of valve pocket from urine inlet 3 earlier, then by being arranged on the cavity of resorption 10b of first duct, the 110 inflow valve pockets on first dividing plate 11.At this moment, valve block 2 is in the enable possition, it forms the space between the upper surface of the supporting of a plurality of supporters 14 that are provided with at interval and second partition 12, make the urine that flow in the cavity of resorption 10b to flow into second duct 120, flow out from urine outlet 4 then by the gap between adjacent per two supporters 14 15.These supporters that are provided with at interval 14 can be arranged on the upper surface of second partition 12, also can be to be set directly on the lower surface of valve block 2.Valve block 2 can be made by the flexible material such as rubber.
When urine collector in use owing to influenced by external force or sufferer error when causing the urinal of storage of urine to tilt, the urine in the urinal might flow out urinal, pours in the cavity of resorption 10b of valve for preventing reverse-flow.This moment, valve block 2 meetings be floated under the impact of urine, fitted in the lower surface of first dividing plate 11, thereby cut off the urine path, played the effect of urine from the urinal adverse current to intubated patient that stop.After the urinal position was adjusted, urine is 15 inflow second ducts 120 and urine outlet 4 from the gap, returns urinal.
The present invention can prevent that urine from returning in the catheter from the urinal adverse current of urine collector, thereby has significantly reduced the probability of sufferer because of urine adverse current generation urinary system infection.
Claims (10)
1. the valve for preventing reverse-flow that urine collector is general comprises valve casing and valve block; Described valve casing is provided with urine inlet, urine outlet and gas exchange window, and is limited with a valve pocket; Described valve block is arranged in this valve pocket, it is characterized in that,
Described valve for preventing reverse-flow also comprises one first dividing plate, a second partition and a stopping means that is arranged in the valve pocket; Described first dividing plate is divided into epicoele with described valve pocket and is positioned at the cavity of resorption of this epicoele below; Described epicoele is communicated in described urine inlet, and is communicated with described cavity of resorption by first duct that is arranged on described first dividing plate; Described second partition and described stopping means are arranged on down intracavity, and second partition is provided with second duct, and effusive urine flows into the urine outlet from this second duct, and stopping means is used to limit described valve block and moves between first duct and second duct;
When valve block was in the enable possition, this valve block formed the space between the upper surface of the supporting of a plurality of supporters that are provided with at interval and second partition; When valve block was in the closed position, this valve block sealed first duct.
2. valve for preventing reverse-flow as claimed in claim 1 is characterized in that, described gas exchange window is arranged on the roof of described valve pocket, and the ventilated membrane heat seal of gas exchange window is provided with baffle plate above the gas exchange window on the lateral surface of this roof.
3. valve for preventing reverse-flow as claimed in claim 2 is characterized in that, the quantity of described gas exchange window and described baffle plate is two, and these two baffle plates link to each other with the sidewall of valve casing.
4. valve for preventing reverse-flow as claimed in claim 3 is characterized in that, described two gas exchange windows lay respectively at the both sides of described urine inlet; Also be provided with two water fenders that in this valve pocket, extend on the roof of described valve pocket, wherein a water fender is arranged between one of them gas exchange window and the described urine inlet, and another piece water fender is arranged between another gas exchange window and the described urine inlet.
5. valve for preventing reverse-flow as claimed in claim 4 is characterized in that, a plurality of supporters that described interval is provided with are arranged on the upper surface of described second partition.
6. valve for preventing reverse-flow as claimed in claim 4 is characterized in that, a plurality of supporters that described interval is provided with are arranged on the lower surface of described valve block.
7. as claim 5 or 6 described valve for preventing reverse-flow, it is characterized in that, described first dividing plate is by one first base plate and be located at this first base plate outer rim and upwardly extending some first side plates are formed, described first base plate is horizontally disposed with, and described first duct is arranged on this first base plate; Described several first side plates are all with respect to the outward-dipping setting of this first base plate.
8. valve for preventing reverse-flow as claimed in claim 7 is characterized in that, described second partition is by one second base plate and be located at this second base plate outer rim and upwardly extending some second side plates are formed, and described second duct is arranged on this second base plate; Described several second side plates are all with respect to the outward-dipping setting of this second base plate.
9. valve for preventing reverse-flow as claimed in claim 8, it is characterized in that, described stopping means is a plurality of guardrails that are disposed on the second base plate upper surface, these a plurality of guardrails be looped around described second duct around, the spacing between the free end of guardrail and described first base plate is less than the thickness of described valve block.
10. valve for preventing reverse-flow as claimed in claim 9 is characterized in that, the centrage of described urine inlet, described first duct, described second duct and the outlet of described urine is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010206144 CN102294077B (en) | 2010-06-22 | 2010-06-22 | General anti-reflux valve for urine collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010206144 CN102294077B (en) | 2010-06-22 | 2010-06-22 | General anti-reflux valve for urine collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102294077A true CN102294077A (en) | 2011-12-28 |
| CN102294077B CN102294077B (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010206144 Active CN102294077B (en) | 2010-06-22 | 2010-06-22 | General anti-reflux valve for urine collector |
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| CN (1) | CN102294077B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405816A (en) * | 2013-08-21 | 2013-11-27 | 苏州市亚新医疗用品有限公司 | Anti-countercurrent block piece of drainage pack |
| CN108209977A (en) * | 2018-04-02 | 2018-06-29 | 西宁市畜牧兽医站 | A kind of semi-automatic urine acceptor for female ox |
| CN111449828A (en) * | 2019-01-18 | 2020-07-28 | 酷洁有限公司 | Backflow prevention device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800339A (en) * | 1989-02-09 | 1998-09-01 | Opticon Medical Inc. | Urinary control valve |
| US20080169444A1 (en) * | 2007-01-17 | 2008-07-17 | Industrie Borla S.P.A | One-way valve for medical infusion lines and the like |
| CN201267678Y (en) * | 2008-07-18 | 2009-07-08 | 上海双鸽实业有限公司 | Disposal one-way valve for infusion |
| CN201701641U (en) * | 2010-06-22 | 2011-01-12 | 上海美华医疗器具股份有限公司 | Universal anti-reflux valve for urine collector |
-
2010
- 2010-06-22 CN CN 201010206144 patent/CN102294077B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800339A (en) * | 1989-02-09 | 1998-09-01 | Opticon Medical Inc. | Urinary control valve |
| US20080169444A1 (en) * | 2007-01-17 | 2008-07-17 | Industrie Borla S.P.A | One-way valve for medical infusion lines and the like |
| CN201267678Y (en) * | 2008-07-18 | 2009-07-08 | 上海双鸽实业有限公司 | Disposal one-way valve for infusion |
| CN201701641U (en) * | 2010-06-22 | 2011-01-12 | 上海美华医疗器具股份有限公司 | Universal anti-reflux valve for urine collector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405816A (en) * | 2013-08-21 | 2013-11-27 | 苏州市亚新医疗用品有限公司 | Anti-countercurrent block piece of drainage pack |
| CN108209977A (en) * | 2018-04-02 | 2018-06-29 | 西宁市畜牧兽医站 | A kind of semi-automatic urine acceptor for female ox |
| CN111449828A (en) * | 2019-01-18 | 2020-07-28 | 酷洁有限公司 | Backflow prevention device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102294077B (en) | 2013-02-20 |
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Owner name: AMSINO MEDICAL EQUIPMENT (KUNSHAN) CO., LTD. Free format text: FORMER OWNER: SHANGHAI MEIHUA MEDICAL EQUIPMENT CO., LTD. Effective date: 20130528 |
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Free format text: CORRECT: ADDRESS; FROM: 201803 JIADING, SHANGHAI TO: 215300 SUZHOU, JIANGSU PROVINCE |
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Effective date of registration: 20130528 Address after: Suzhou City, Jiangsu province 215300 Kunshan City Qiandeng Shipu Lidoulu No. 582 Patentee after: Amsino Medical Equipment (Kunshan) Co., Ltd. Address before: 201803 Shanghai city Jiading District Huajiang Road 668 Lane 5 Patentee before: Shanghai Meihua Medical Equipment Co., Ltd. |