CN203724627U - Backflow preventive intracranial drainage three-way valve - Google Patents
Backflow preventive intracranial drainage three-way valve Download PDFInfo
- Publication number
- CN203724627U CN203724627U CN201420111233.4U CN201420111233U CN203724627U CN 203724627 U CN203724627 U CN 203724627U CN 201420111233 U CN201420111233 U CN 201420111233U CN 203724627 U CN203724627 U CN 203724627U
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- channel
- drainage
- way valve
- passage
- counterflow
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Abstract
The utility model discloses a backflow preventive intracranial drainage three-way valve which is provided with a first channel, a second channel and a third channel. The first channel is used as a drainage inlet, the second channel is used as a drainage outlet, the third channel is used for injecting medicine, a valve element is arranged in the intersection center of the first channel, the second channel and the third channel, a ball valve adjusting assembly which can prevent hydrops from flowing back into the cranium of a patient is arranged in the first channel or the second channel, and the drainage speed can be automatically adjusted by the aid of the ball valve adjusting assembly. A ball valve assembly comprises a first barrier, a second barrier and a spring support, the first barrier and the second barrier are arranged at intervals, opposite through holes are formed in the first barrier and the second barrier, and a ball valve which can be butted onto the through holes is arranged between the first barrier and the second barrier and is connected with the spring support by a spring. The backflow preventive intracranial drainage three-way valve has the advantages that when the adjusted altitude of a drainage bag or drainage bottle is excessively high, the ball valve can be butted onto the first barrier, so that the hydrops can be prevented from flowing back into the cranium of the patient; when the adjusted altitude of the drainage bag or drainage bottle is excessively low, the ball valve can be butted onto the second barrier, so that excessively quick drainage can be prevented, and the drainage speed can be automatically adjusted.
Description
[technical field]
This utility model relates to medical apparatus and instruments, particularly relates to a kind of Encephalic drainage three-way valve of counterflow-preventing.
[background technology]
Encephalic drainage is the conventional treatment means of clinical treatment intracranial disease, and as brain ventricle puncture and drainage, intracranial hematoma microtrauma puncture art etc., it has Wicresoft, the advantage such as quick, easy, effective.
Encephalic drainage carries out according to siphon principle, control size and the height of drainage tube two-port by control, just intracranial hydrops can be led in drainage bag, and can be by controlling the height of drain outlet, i.e. the height of drainage bag and regulate drainage speed and drainage flow.While carrying out Encephalic drainage at present, be all directly to need drain position to be connected by drainage tube and brainpan drainage bag conventionally.And in the time that needs maybe need with normal saline washing drainage tube to intracranial injection medicine, generally adopt following two kinds of modes: 1, the link of drainage tube is taken out, then inject by port.2, drainage tube is cut off in middle somewhere, then injected and press from both sides and close with clamp.For first method, if need repeatedly inject, it connects disconnection repeatedly, easily cause secondary pollution and cause infect.And for second method, its complex steps, needs many people operation that helps to carry out, operation inconvenience, and very easily infect.Therefore, now bring into use gradually 3 to lead to, under normal circumstances normal drain.And while needing injectable drug maybe to need to rinse, swivel tee, makes another admittance logical, injection or flushing are then taken over.Existing threeway, makes easy to operate a lot, does not need frequently to take over or cut pipe, but its Main Function is also to resting on, connecting pipe is injected or drain.And in reality, in Encephalic drainage operation, drainage speed and drainage flow are all rule of thumb grasped by doctor individual conventionally, lack experience if puncture, dynamics control is bad, easily cause suction force excessive and cause again hemorrhage and brain tissue impairment.After managing successfully as put, because intracranial pressure is too high, directly drain easily causes that Reducing Intracranial Pressure is too fast, easily causes cranium secondary hemorrhage or cerebral hernia.Doctor is for preventing this from occurring the direct folder drainage tubes such as conventional mosquito forceps, and this mode easily causes that drainage tube is damaged or ruptures, and need again put pipe, causes patient's wound again, and also bad grasp of drainage speed.In addition,, because drainage tube is all that the soft materials such as silica gel are made conventionally, be therefore not easy to arrange pressure tester on drainage tube.
[utility model content]
This utility model is intended to address the above problem, and provides one can automatically regulate drainage flow and drainage speed, can prevent that hydrops from blowing back into intracranial, and can accurately grasp the Encephalic drainage three-way valve of the counterflow-preventing of drain pressure.
For achieving the above object, this utility model provides a kind of Encephalic drainage three-way valve of counterflow-preventing, it is characterized in that, this three-way valve is provided with as the first passage of drain entrance, is used as the second channel of drain outlet and the third channel for injectable drug, the center crossing at first passage, second channel and third channel is provided with spool, is provided with and can automatically regulates drainage speed and prevent that hydrops adverse current is to the ball valve adjusting part in brainpan in described first passage or second channel.
Described ball valve assembly comprises the first baffle plate, second baffle and the spring support that space arranges, described the first baffle plate with on second baffle, be provided with relative through hole, between the first baffle plate and second baffle, be provided with the ball valve that can withstand described through hole, this ball valve is connected with the spring support in the first baffle plate or second baffle outside by spring.
The port of described second channel is provided with external screw thread, which is provided with and is threaded with it and dismountable the first vice.
The port radius of described first passage dwindles gradually and forms pyramid type joint.
On described first passage or second channel, be provided with pressure gauge.
On described first passage or second channel, be provided with outside connect threaded connection hole, the link of described pressure gauge be threaded with described threaded connection hole in.
Described three-way valve is T-shaped valve, described third channel respectively with described first passage and second channel vertical connection.
Described the first baffle plate and second baffle are located in second channel, and its shape and described second channel interior shape match, on the affixed inwall with second channel of described spring support.
The port of described third channel is provided with external screw thread, which is provided with and is threaded with it and dismountable the second vice.
Described spool is connected with the knob of being located at outside three-way valve, can conducting first passage and second channel or first passage and third channel by rotary knob.
Useful contribution of the present utility model is, it efficiently solves the problems referred to above.This utility model by arranging ball valve adjusting part in threeway, when suction force is excessive or when too small, spring is under suction force effect and keep out on the first baffle plate or second baffle, thereby make drainage flow or drainage speed keep mild and prevent that hydrops from flowing backwards, realize the object that automatically regulates drainage flow and drainage speed, to ensure drain safety.The utlity model has the features such as simple in structure, easy to implement, should widely popularize.
[brief description of the drawings]
Fig. 1 is structural representation of the present utility model.
Wherein, first passage 10, second channel 20, the first vice 21, third channel 30, the second vice 31, spool 40, ball valve adjusting part 50, the first baffle plate 51, second baffle 52, ball valve 53, spring 54, spring support 55, pressure gauge 60.
[detailed description of the invention]
The following example is to further explanation of the present utility model and supplements, this utility model is not constituted any limitation.
As shown in Figure 1, the Encephalic drainage of counterflow-preventing of the present utility model comprises first passage 10, second channel 20, third channel 30, spool 40 and ball valve adjusting part 50 with three-way valve, by ball valve adjusting part 50 automatically to regulate drainage flow and drainage speed.
In the present embodiment, as shown in Figure 1, described three-way valve is T-shaped valve, and in other embodiment, it also can be the three-way valve of Y-valve or other shapes.Described first passage 10, for connecting drainage tube, is hydrops arrival end.Described second channel 20 is for connecting drainage bag or drainage bottle, and for hydrops being drained in drainage bag or drainage bottle, it is the hydrops port of export.Described third channel 30 rinses for injectable drug or saline.The port radius of described first passage 10 dwindles gradually and forms pyramid type joint, so that be directly inserted in drainage tube while connecting.The port of described second channel 20 is provided with external screw thread, which is provided with and is threaded with it and dismountable the first vice 21.While use, can keep three-way valve health by the first vice 21.While needing to use, can directly screw off vice it is connected with drainage bag or drainage bottle.The port of described third channel 30 is provided with external screw thread equally, which is provided with and is threaded with it and dismountable the second vice 31, to keep health convenient connection to use.Described first passage 10, second channel 20 and third channel 30 are cylindrical, and its intersection is ball-shaped.In the present embodiment, described third channel 30 is vertical with second channel 20 with described first passage 10 respectively.Be provided with spool 40 at first passage 10, second channel 20 and the crossing center of third channel 30, this spool 40 is connected with the knob of being located at three-way valve outside, by the knob of swivel tee valve outside, but this spool 40 conducting first passages 10 and second channel 20, first passage 10 and third channel 30.Described spool 40 can be selected known spool 40 structures.
As shown in Figure 1, for preventing that hydrops from flowing backwards, and automatically regulate drainage speed and drainage flow, in described first passage 10 or second channel 20, be provided with described ball valve adjusting part 50.In the present embodiment, as shown in Figure 1, described ball valve 53 assemblies are located in second channel 20.Described ball valve 53 assemblies comprise the first baffle plate 51, second baffle 52, ball valve 53, spring 54 and spring support 55.Described the first baffle plate 51, second baffle 52 and spring support 55 intervals arrange, and wherein second baffle 52 is between the first baffle plate 51 and spring support 55.Described the first baffle plate 51 matches with the shape of second baffle 52 and the interior shape of second channel 20.On described the first baffle plate 51 and second baffle 52, be equipped with through hole, so that hydrops circulation.The first baffle plate 51 is relative with the lead to the hole site on second baffle 52, and it is all positioned at the center of baffle plate.Described ball valve 53 is located between the first baffle plate 51 and second baffle 52, and its diameter is less than the distance at interval between the first baffle plate 51 and second baffle 52, and is greater than the distance of described through hole.One end of described ball valve 53 and spring 54 is fixing, and the other end of this spring 54 is on affixed and described spring support 55.On the inwall of the affixed and described second channel 20 of described spring support 55.
For ease of accurately grasping the suction force of drain, on described first passage 10 or second channel 20, be also provided with pressure gauge 60.In the present embodiment, described pressure gauge 60 is located on second channel 20.As shown in Figure 1, between the port of second channel 20 and spring support 55, be provided with the threaded connection hole connecting with outside, the link of described pressure gauge 60 be threaded with described threaded connection hole in.Described pressure gauge 60 can be selected known pressure gauge 60.
When this utility model is used for Encephalic drainage, first passage 10 is connected with drainage tube, screws off the first vice 21 and the second vice 31, and second channel 20 is connected with drainage bag or drainage bottle, and the knob of rotary spool 40, is communicated with first passage 10 and second channel 20.When drainage bag or drainage bottle height adjustment are when too high, spring 54 under suction force effect and stretch, keeps out on the through hole of the first baffle plate 51 ball valve 53, prevents that hydrops from flowing backward in brainpan.And when drainage bag or drainage bottle height adjustment are when too low, spring 54 under suction force effect and compress, keeps out on the through hole of second baffle 52 ball valve 53, to change pressure reduction, buffering is adjusted drainage speed and drainage flow, prevents that suction force is excessive and drain is too fast.And when needs injectable drug or while using normal saline washing, at rotary knob, first passage 10 is communicated with third channel 30, screw off the second vice 31 and just can conveniently inject.
By this, this utility model by arranging ball valve adjusting part 50 in threeway, when suction force is excessive or when too small, spring 54 is under suction force effect and keep out on the first baffle plate 51 or second baffle 52, thereby make drainage flow or drainage speed keep mild and prevent that hydrops from flowing backwards, realize the object that automatically regulates drainage flow and drainage speed, to ensure drain safety, and can accurately grasp extracting force by pressure gauge 60.The utlity model has the features such as simple in structure, easy to implement, should widely popularize.
Although this utility model is disclosed by above embodiment, but scope of the present utility model is not limited to this, do not departing under the condition of this utility model design, the similar or equivalent element that above each member can be understood with affiliated technical field personnel is replaced.
Claims (10)
1. the Encephalic drainage three-way valve of counterflow-preventing, it is characterized in that, this three-way valve is provided with as the first passage of drain entrance (10), is used as the second channel (20) of drain outlet and the third channel (30) for injectable drug, be provided with spool (40) at first passage (10), second channel (20) and the crossing center of third channel (30), in described first passage (10) or second channel (20), be provided with and can automatically regulate drainage speed and prevent that hydrops adverse current is to the ball valve adjusting part (50) in brainpan.
2. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 1, it is characterized in that, described ball valve (53) assembly comprises the first baffle plate (51), second baffle (52) and the spring support (55) that space arranges, be provided with relative through hole at described the first baffle plate (51) with on second baffle (52), between the first baffle plate (51) and second baffle (52), be provided with the ball valve (53) that can withstand described through hole, this ball valve (53) is connected with the spring support (55) in the first baffle plate (51) or second baffle (52) outside by spring (54).
3. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 2, is characterized in that, the port of described second channel (20) is provided with external screw thread, which is provided with and is threaded with it and dismountable the first vice (21).
4. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 3, is characterized in that, the port radius of described first passage (10) dwindles gradually and forms pyramid type joint.
5. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 4, is characterized in that, on described first passage (10) or second channel (20), is provided with pressure gauge (60).
6. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 5, it is characterized in that, on described first passage (10) or second channel (20), be provided with outside connect threaded connection hole, the link of described pressure gauge (60) be threaded with described threaded connection hole in.
7. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 6, is characterized in that, described three-way valve is T-shaped valve, described third channel (30) respectively with described first passage (10) and second channel (20) vertical connection.
8. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 7, it is characterized in that, described the first baffle plate (51) and second baffle (52) are located in second channel (20), its shape and described second channel (20) interior shape match, on the affixed inwall with second channel (20) of described spring support (55).
9. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 8, is characterized in that, the port of described third channel (30) is provided with external screw thread, which is provided with and is threaded with it and dismountable the second vice (31).
10. the Encephalic drainage three-way valve of counterflow-preventing as claimed in claim 9, it is characterized in that, described spool (40) is connected with the knob of being located at outside three-way valve, can conducting first passage (10) and second channel (20) or first passage (10) and third channel (30) by rotary knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111233.4U CN203724627U (en) | 2014-03-12 | 2014-03-12 | Backflow preventive intracranial drainage three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111233.4U CN203724627U (en) | 2014-03-12 | 2014-03-12 | Backflow preventive intracranial drainage three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724627U true CN203724627U (en) | 2014-07-23 |
Family
ID=51194731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420111233.4U Expired - Fee Related CN203724627U (en) | 2014-03-12 | 2014-03-12 | Backflow preventive intracranial drainage three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203724627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453986A (en) * | 2014-12-17 | 2015-03-25 | 任花鹏 | Negative-pressure gas exhaust and water slag drainage device |
| CN107158492A (en) * | 2017-07-04 | 2017-09-15 | 宁波鸿坤电器有限公司 | A kind of drainage needle |
| CN113262339A (en) * | 2021-05-28 | 2021-08-17 | 泮双军 | Ventricular drainage tube |
-
2014
- 2014-03-12 CN CN201420111233.4U patent/CN203724627U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453986A (en) * | 2014-12-17 | 2015-03-25 | 任花鹏 | Negative-pressure gas exhaust and water slag drainage device |
| CN107158492A (en) * | 2017-07-04 | 2017-09-15 | 宁波鸿坤电器有限公司 | A kind of drainage needle |
| CN113262339A (en) * | 2021-05-28 | 2021-08-17 | 泮双军 | Ventricular drainage tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20200312 |