CN205145215U - Take drainage bag against current of preventing of cross valve - Google Patents
Take drainage bag against current of preventing of cross valve Download PDFInfo
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- CN205145215U CN205145215U CN201520912894.1U CN201520912894U CN205145215U CN 205145215 U CN205145215 U CN 205145215U CN 201520912894 U CN201520912894 U CN 201520912894U CN 205145215 U CN205145215 U CN 205145215U
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- bag
- cross valve
- vertical duct
- drainage bag
- spool
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Abstract
The utility model discloses a take drainage bag against current of preventing of cross valve personally experiences sth. Part of the body, prevents adverse current membrane and cross valve by feed liquor pipe, bag and constitutes, is connected with the cross valve in the bottom of the bag body, and the cross valve includes valve body and case, and the valve body is become by the vertical duct and the horizontal nest of tubes, has inserted the case in transversely managing, is provided with annular groove and ring type seal on the lateral wall of case. Being located on bag internal upper portion and being equipped with two between two films and preventing membrane against the current, the liquid outlet setting of feed liquor pipe is prevented against the current between the membrane two. When the drainage bag of body fluid was in addition kept flat or is placed upside down, body fluid had trend against the current in the drainage bag, can order about two and prevent that the membrane pastes against the current and lean on together, sealed the liquid outlet of feed liquor pipe, make the drainage bag in body fluid can not backward flow out, guaranteed the safety and sanitation of use, can prevent that the anastasis from leading to the fact the pollution. When the operation cross valve to singlehanded forefinger and middle finger centre gripping are in the upper and lower both sides of vertical duct with horizontal union coupling position, and the case is pushed to the thumb, can realize opening and closing of cross valve.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly relates to a kind of anti-backflow drainage bag with cross valve.
Background technology
In prior art, there is a kind of drainage bag, it is mainly used in the drain of patient's body fluid or tissue exudates, drainage bag is made up of feed liquor conduit, bag and liquid valve, bag is made up of the thin film that two plate shapes are identical, the periphery of two panels thin film links together, and the inlet at bag top is connected with the liquid outlet of feed liquor conduit, is connected with liquid valve in the bottom of bag.In use, the liquid in bag easily flows out this device from feed liquor conduit, thus pollutes; Liquid valve then needs bimanualness to close and to open, and due to normal containing pathogenic bacteria in patient's body fluid, when held by both hands threshold switch, easily made dirty by hands, has larger risk to operator; In addition, adopt the mode of bimanualness convenient not.
Summary of the invention
The purpose of this utility model is to provide a kind of anti-backflow drainage bag with cross valve, and the liquid in bag can not adverse current, guarantees safety and sanitation; In emptying bag, it is simple to operate for body fluid, and switch is convenient, healthy.
The purpose of this utility model is achieved in that
A kind of anti-backflow drainage bag with cross valve, comprise feed tube and bag, bag is made up of the thin film that two plate shapes are identical, the periphery of two panels thin film is bonded together, the inlet at bag top and the liquid outlet of feed tube bonding, feature is: be connected with cross valve in the bottom of bag, cross valve comprises valve body and spool, valve body is made up of vertical duct and transverse pipe, transverse pipe and vertical duct cross are also connected as a single entity, be provided with inlet in the upper end of vertical duct, be provided with liquid outlet in the lower end of vertical duct, the inlet of valve body is connected with bottom drainage bag bag.The inner chamber of transverse pipe and the inlet of vertical duct, liquid outlet is connected respectively, a spool matched with the inner chamber of transverse pipe is inserted with in transverse pipe, the middle front part sidewall of spool is provided with annular groove, at spool by valve handle end, the sidewall of adjacent annular groove is provided with the O-ring seal integrated with spool, the length of spool will grow 3 ~ 25mm compared with the length of transverse pipe, the external diameter of annular groove is 1/10 ~ 4/5 times of the internal diameter of vertical duct, the length of annular groove is 1/2 ~ 3/2 times of the internal diameter of vertical duct, the external diameter of O-ring seal than Transverse to the large 0 ~ 1mm of the internal diameter of pipe, the length of O-ring seal is 1 ~ 2 times of the internal diameter of vertical duct.
Between two panels thin film, two panels counterflow-preventing film is provided with at bag high inside, the end opening of counterflow-preventing film sticks together mutually, the liquid outlet of feed tube is arranged between two panels counterflow-preventing film, top and the centre position, two panels thin film top of counterflow-preventing film are bonded together, the side of two panels counterflow-preventing film is bonded together, and two panels thin film and counterflow-preventing film hot pressing are bonded together.Above-mentioned bonding, all by the mode of ultra-sonic welded, makes it bond each other tight, firm.
Spool can promote front and back in the inner chamber of transverse pipe, when transfer to valve handle backward or push spool from the external part before spool, spool is pulled to the rear end of inner chamber of transverse pipe time, inlet, the liquid outlet of annular groove and vertical duct are connected simultaneously, and fluid course is opened; When pressing forward valve handle, when spool being pushed to the front end of inner chamber of transverse pipe, the inlet of annular groove and vertical duct, liquid outlet staggered positions, fluid course is closed.
When this utility model uses, body fluid can be drained in drainage bag by feed tube, when body fluid enters drainage bag from the liquid outlet of feed tube, first enter between two panels counterflow-preventing film, and flow between two thin film along the gap between two panels counterflow-preventing film, and be stored between two thin film.After drainage bag is filled, length due to spool is greater than the length of valve body transverse pipe, outside the transverse pipe of the extended valve body in front end of spool, therefore can press forward valve handle, backward dial-out valve handle or push spool from the external part before spool, spool is slided in transverse pipe, when spool pushes the front end of the inner chamber of transverse pipe to, inlet, the liquid outlet of annular groove and vertical duct are connected simultaneously, and the liquid now in drainage bag can flow out; When spool pushes the rear end of the inner chamber of transverse pipe to, stagger in inlet, the liquid outlet position of annular groove and vertical duct, fluid course has been blocked in O-ring seal, and the liquid now in drainage bag can not flow out; When operating, be clamped in the both sides up and down of valve body vertical duct and transverse pipe connecting portion with singlehanded forefinger and middle finger, thumb pushes spool, can realize the opening and closing of cross valve.Drainage bag is finished using, take off drainage bag, now body fluid may be also had in drainage bag, when drainage bag is kept flat or is inverted, in drainage bag, body fluid has adverse current trend, can order about two panels counterflow-preventing film and stick together, and closes the liquid outlet of feed tube, in drainage bag, body fluid can not oppositely flow out, and ensure that the safety and sanitation of use.Compared with prior art, this utility model cross valve structure is simple, easy to operate, good airproof performance, and economical and effective is safe and reliable, and bag uses safety and sanitation more, can prevent the anastasis in drainage bag from polluting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A section direction view of Fig. 1;
Fig. 3 is the view that cross valve is in when fluid course is opened;
Fig. 4 is the view that cross valve is in when fluid course is closed.
Detailed description of the invention
Contrast accompanying drawing below in conjunction with embodiment this utility model is described in further detail.
As shown in Figure 1, a kind of anti-backflow drainage bag with cross valve, by feed tube 1, counterflow-preventing film 2, bag 3 and cross valve 4 form, bag 3 is by the identical thin film 31 of two plate shapes, 32 make, two panels thin film 31, the periphery of 32 is bonded together, the inlet at bag 3 top and the liquid outlet 11 of feed tube 1 bonding, cross valve 4 is connected with in the bottom of bag 3, at bag 3 high inside in two panels thin film 31, two panels counterflow-preventing film 2 is provided with between 32, the end opening of counterflow-preventing film 2 sticks together mutually, the liquid outlet 11 of feed tube 1 is arranged between two panels counterflow-preventing film 2, the top of counterflow-preventing film 2 and two panels thin film 31, 32 centre position, tops are bonded together, the side of two panels counterflow-preventing film 2 is bonded together, two panels thin film 31, 32 and counterflow-preventing film 2 hot pressing be bonded together.Above-mentioned bonding, all by the mode of ultra-sonic welded, makes it bond each other tight, firm.
Cross valve 4 comprises valve body 43 and spool 47, valve body 43 is made up of vertical duct 42 and transverse pipe 44, transverse pipe 44 is with vertical duct 42 cross and be connected as a single entity, inlet 41 is provided with in the upper end of vertical duct 42, liquid outlet 45 is provided with in the lower end of vertical duct 42, the inner chamber 46 of transverse pipe 44 and the inlet 41 of vertical duct 42, liquid outlet 45 is connected respectively, a spool 47 matched with the inner chamber 46 of transverse pipe 44 is inserted with in transverse pipe 44, the middle front part sidewall of spool 47 is provided with annular groove 49, at spool 47 by valve handle 40 end, the sidewall of adjacent annular groove 49 is provided with the O-ring seal 48 integrated with spool 47, the length of spool 47 will long 10mm compared with the length of transverse pipe 44, the external diameter of annular groove 49 is 1/2 times of the internal diameter of vertical duct 2, the length of annular groove 49 is 3/4 times of the internal diameter of vertical duct 42, the external diameter of O-ring seal 48 than Transverse to the large 0.2mm of the internal diameter of pipe 44, the length of O-ring seal 48 is 3/2 times of the internal diameter of vertical duct 42.
Spool 47 can promote front and back in the inner chamber 46 of transverse pipe 44.Time as shown in Figure 3, when transfering to valve handle 40 backward, when spool 47 being pulled to the rear end of inner chamber 46 of transverse pipe 44, inlet 41, the liquid outlet 45 of annular groove 49 and vertical duct 42 are connected simultaneously, on the same axis, fluid course is opened for 42 inlets 41 of annular groove 49 and vertical duct, liquid outlet 45; Time as shown in Figure 4, when pressing forward valve handle 40, when spool 47 being pushed to the front end of inner chamber 46 of transverse pipe 44, annular groove 49 and inlet 41, liquid outlet 45 staggered positions, on the same axis, fluid course is closed for 42 inlets 41 of O-ring seal 48 and vertical duct, liquid outlet 45.
Claims (4)
1. the anti-backflow drainage bag with cross valve, comprise feed tube and bag, bag is made up of the thin film that two plate shapes are identical, the periphery of two panels thin film is bonded together, the inlet at bag top and the liquid outlet of feed tube bonding, it is characterized in that: be connected with cross valve in the bottom of bag, cross valve comprises valve body and spool, valve body is made up of vertical duct and transverse pipe, transverse pipe and vertical duct cross are also connected as a single entity, inlet is provided with in the upper end of vertical duct, liquid outlet is provided with in the lower end of vertical duct, the inlet of valve body is connected with bottom drainage bag bag, the inner chamber of transverse pipe and the inlet of vertical duct, liquid outlet are connected respectively, a spool matched with the inner chamber of transverse pipe is inserted with in transverse pipe, the middle front part sidewall of spool is provided with annular groove, leans at spool on the sidewall of valve handle end, adjacent annular groove and be provided with the O-ring seal integrated with spool.
2. the anti-backflow drainage bag of band cross valve according to claim 1, it is characterized in that: between two panels thin film, be provided with two panels counterflow-preventing film at bag high inside, the end opening of counterflow-preventing film sticks together mutually, the liquid outlet of feed tube is arranged between two panels counterflow-preventing film, top and the centre position, two panels thin film top of counterflow-preventing film are bonded together, the side of two panels counterflow-preventing film is bonded together, and two panels thin film and counterflow-preventing film hot pressing are bonded together.
3. the anti-backflow drainage bag of band cross valve according to claim 1, it is characterized in that: the external diameter of annular groove is 1/10 ~ 4/5 times of the internal diameter of vertical duct, the length of annular groove is 1/2 ~ 3/2 times of the internal diameter of vertical duct, the external diameter of O-ring seal is than Transverse to the large 0 ~ 1mm of the internal diameter of pipe, and the length of O-ring seal is 1 ~ 2 times of the internal diameter of vertical duct.
4. the anti-backflow drainage bag of band cross valve according to claim 1, is characterized in that: the length of spool will grow 3 ~ 25mm compared with the length of transverse pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912894.1U CN205145215U (en) | 2015-11-17 | 2015-11-17 | Take drainage bag against current of preventing of cross valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912894.1U CN205145215U (en) | 2015-11-17 | 2015-11-17 | Take drainage bag against current of preventing of cross valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205145215U true CN205145215U (en) | 2016-04-13 |
Family
ID=55680962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520912894.1U Active CN205145215U (en) | 2015-11-17 | 2015-11-17 | Take drainage bag against current of preventing of cross valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205145215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109010950A (en) * | 2018-08-23 | 2018-12-18 | 河南省人口和计划生育科学技术研究院 | Draining switch and the urine collection bag for using the draining switch |
| CN111643740A (en) * | 2020-05-21 | 2020-09-11 | 嘉兴市第一医院 | Drainage device |
-
2015
- 2015-11-17 CN CN201520912894.1U patent/CN205145215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109010950A (en) * | 2018-08-23 | 2018-12-18 | 河南省人口和计划生育科学技术研究院 | Draining switch and the urine collection bag for using the draining switch |
| CN111643740A (en) * | 2020-05-21 | 2020-09-11 | 嘉兴市第一医院 | Drainage device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |