CN87212135U - Cliic saliva sucking and draining device - Google Patents
Cliic saliva sucking and draining device Download PDFInfo
- Publication number
- CN87212135U CN87212135U CN 87212135 CN87212135U CN87212135U CN 87212135 U CN87212135 U CN 87212135U CN 87212135 CN87212135 CN 87212135 CN 87212135 U CN87212135 U CN 87212135U CN 87212135 U CN87212135 U CN 87212135U
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- return valve
- air bag
- valve
- main valve
- return
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Abstract
The utility model discloses a clinic saliva sucking and draining device, comprising a sucking head, a compressible air bag, and an upper and a lower check valves sheathed in the sucking pipe and the draining pipe connected with the compressible air bag. The saliva is sucked and drained through pressing the air bag by hands so as to generate negative pressure. The function of the upper and lower check valves lies in guaranteeing the unidirectional flow of sucking and draining saliva so as to simply and efficiently discharge the saliva in the mouth. The utility model has the advantages of simple structure, manual operation and low cost, applicable to basic medical departments.
Description
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of manual suction saliva device.
The treatment of many oral cavity department diseases all requires to be provided with suction saliva device in the hospital, needs to remove frequently saliva contaminated in the oral cavity in therapeutic process.The suction saliva device of some department of stomatology, Hospital uses is to be attached in the dental unit at present, for example, the CS16 type dental unit that Shanghai Medical Apparatus and Instruments Factory produces just is provided with suction saliva device, it is that the negative pressure that produces when utilizing the tap water with certain hydraulic pressure to flow is carried out continuously suction saliva, and the switching of tap water is by solenoid control.Dental unit costs an arm and a leg, and general different medical unit lacks this kind equipment.
The purpose of this utility model is that a kind of inexpensive, simple and effective suction saliva device will be provided, and it can be removed away the intraoral saliva of patient with manual mode by doctor or patient discontinuously according to the needs of therapeutic process.This device needn't rely on power supply and just can work independently in the water source.
This utility model is made up of imbibition head, pipette, last non-return valve, following non-return valve, air bag, discharging tube.The air bag generation compressed air that pushed by hands will be gone up non-return valve and end, meanwhile will descend non-return valve open-minded, the saliva that is stored in the air bag is passed through non-return valve, discharging tube discharge down, discharge extruded air bag, when the negative pressure of Xing Chenging will descend non-return valve to end within it, it is open-minded to go up non-return valve, by imbibition head, pipette intraoral saliva is drawn in the air bag.With hands extruding and the suction, the row's circulation that discharge one time air bag has just been finished a saliva of buccal cavity.
Advantage of the present utility model is that need only and discharge air bag with the hands extruding just can finish contaminated saliva suction in the oral cavity, discharge, and both can continuous several times inhale, arrange, and can also be interrupted suction, row, adapts to the requirement of therapeutic process.This suction saliva apparatus structure is simple, easy to operate, with low cost, needn't rely on power supply and water source, can be particularly suitable for different medical unit and use in operate as normal under the harsh environmental conditions.
Concrete technical scheme of the present utility model can be further elaborated by the following examples.
Fig. 1 is a theory structure sketch map of the present utility model.
Fig. 2 is the enlarged drawing when going up non-return valve (3 ', 3) cut-off state.
Fig. 3 is the enlarged drawing when going up non-return valve (3 ', 3) opening state.
Fig. 4 is the enlarged drawing when descending non-return valve (5) opening state.
Fig. 5 is the enlarged drawing when descending non-return valve (5) cut-off state.
A kind of practical structures of this medical suction, row's saliva device goes up non-return valve (3 ', 3), an air bag (4), a following non-return valve (5), a discharging tube (6) by an imbibition head (1), a pipette (2), two and forms.Following non-return valve (5) is made up of valve body (7), main valve plug (8), pin (9).Pass the usefulness of the pin (9) of valve body (7) as main valve plug (8) work timing position.Valve body (7) leaves the 0.4-0.7mm gap with main valve plug (8) Cylinder cooperation place partly, it is the passage of discharge opeing, (cooperation place of 8) Yuan Cone body parts, (7) De Cone degree are than main valve plug (little 6 ° of-20 ° of angles of 8) De Cone degree for its valve body with main valve plug for valve body (7).In the present embodiment, (7) De Cone degree are 108 ° of angles to valve body, and (8) De Cone degree are the hexagonal angle degree to main valve plug.Following non-return valve (5) is when being in cut-off state, and the garden cylinder upper top distance of the Cone body lower surface, garden of main valve plug (8) and pin (9) is a=0.6-2.0mm.Two structures that go up non-return valve (3 ', 3) are identical, are to be connected in series, and above non-return valve (3) illustrates it for example: go up non-return valve (3) and be made up of valve body (10), main valve plug (11), pair spool (12), pin (13).Pass the usefulness of the pin (13) of valve body (10) as main valve plug (11), pair spool (12) work timing position.Pay spool (12) Cylinder upper surface and directly head on main valve plug (11) De Yuan Cone body lower surfaces.Valve body (10) leaves the 0.4-0.7mm gap with main valve plug (11) Cylinder cooperation place partly, it is the passage of suction, discharge opeing, (cooperation place of 11) Yuan Cone body parts, (10) De Cone degree are than little 6 ° of-20 ° of angles of main valve plug De Cone degree for its valve body with main valve plug for valve body (10).In the present embodiment, valve body (10 ', 10) De Cone degree are 112 ° of angles, main valve plug (11 ', 11) De Cone degree are the hexagonal angle degree.Last non-return valve (3) is paid the Cone body lower surface, garden of spool (12) and the garden cylinder upper top distance b=0.6-2.0mm of pin (13) when being in cut-off state.Air bag is two through hole, the spheroid of intermediate hollow, and last non-return valve (3) valve block lower half inserts in the upper and lower through hole of air bag (4) after being inserted in pipette (2), discharging tube (6) respectively with following non-return valve (5) valve block upper half again.The pipette (2) of the logical heart couples together the integral body of the bend pipe bottom of imbibition head (1) and last non-return valve (3 ', 3).The integral body of non-return valve (5) is entangled down on discharging tube (6) top of the logical heart.
To descend the relative valve body (7) of main valve plug (8) of non-return valve (5) when the compressed air one side that produces with hands extruding gasbag (4) and push away a distance downwards and be in opening state, non-return valve (5), discharging tube (6) were discharged under saliva of storing in the air bag and air thereof passed through; On the other hand, compressed air acts on the main valve plug (11) of non-return valve (3) simultaneously and pays on the Cone body lower surface, garden of spool (12), make its valve body (10) b distance that moves up simultaneously relatively, part Cone of the portion face fluid-tight engagement of portion's part Cone face of main valve plug (11) and valve body (10), last non-return valve (3) is in cut-off state.According to same principle, in the moment of extruding gasbag, because last non-return valve (3) also is in opening state, partly compressed air enters non-return valve (3 ') and makes it be in cut-off state rapidly.Be stored in saliva in the air bag can not be reverse by last non-return valve (3 ', 3).For increasing its reliability, present embodiment adopts two placed in-line non-return valves (3 ', 3) of going up, and can also only adopt one to go up non-return valve (3).The effect of paying spool has two: the one, increase compression area, and accelerate cut-off speed; The 2nd, resistance shelves saliva reverse movement.
When discharging extruded air bag, in air bag, produce the negative pressure of 1200-1600mm water column, under the effect of this negative pressure, the main valve plug (8) of following non-return valve (5) moves upward and makes it be in cut-off state, the outer room air can not enter in the air bag (4) by discharging tube, last non-return valve (3 ', main valve plug 3) (11 ', 11) and pay a spool (12 ', 12) be subjected to inhale and move downward and be in opening state, this moment is under this suction function, intraoral saliva is by imbibition head (1), pipette (2) is inhaled in the air bag, has finished the suction of a saliva, row's cyclic process.
The material of air bag (4) can be a rubber.The material of valve body (7,10 ', 10) can be nylon or polrvinyl chloride or polyethylene or polypropylene, and main valve body (8,11 ', 11) and the material of paying valve body (12 ', 12) can be rubber.
Claims (7)
1, a kind of medical suction saliva device, an imbibition head (1), a pipette (2) are arranged, a compressible air bag (4) are arranged, a discharging tube (6), it is characterized in that: go up after non-return valve (3 ', 3) series connection is inserted in pipette (2) bottom, be inserted in air bag (4) upper end again, after following non-return valve (5) is inserted in discharging tube (6) upper end, be inserted in air bag (4) lower end again, when the time with hands extruding gasbag (4), last non-return valve (3 ', 3) ends, and following non-return valve (5) is open-minded; When releasing the extruded air bag of effect (4), following non-return valve (5) ends, and last non-return valve (3) is open-minded.
2, suction saliva device according to claim 1 is characterized in that non-return valve (3) can be one and go up non-return valve (3) or two last non-return valves that are connected in series (3 ', 3).
3, suction saliva device according to claim 1 and 2, the valve body (10 ', 10,7) that it is characterized in that upper and lower non-return valve (3 ', 3,5) and its main valve plug (11 ', 11,8) Yuan Cone body mating surfaces, its valve body (10 ', 10,7) De Cone degree than main valve plug (11 ', little 6 ° of-20 ° of angles of 11,8) De Cone degree, valve body (10 ', 10,7) and its main valve plug (11 ', 11,8) Cylinder mating surface partly leaves the 0.4-0.7mm gap.
4, according to claim 1 or 2 or 3 described suction saliva devices, it is characterized in that non-return valve (5) has only a main valve plug (8) down, last non-return valve (3 ', 3) has one of a main valve plug (11 ', 11) to pay spool (12 ', 12), and the Cylinder upper surface of paying spool (12 ', 12) directly heads on the Cone body lower surface, garden of main valve plug (11 ', 11).
5, according to claim 1 or 4 described suction saliva devices, it is characterized in that non-return valve (5) is when being in cut-off state instantly, (the Cylinder upper top of 8) De Yuan Cone body lower surfaces and pin (9) is apart from a=2-3.5mm for its main valve plug; When last non-return valve (3 ', 3) when being in cut-off state, the Cylinder upper top of the Cone body lower surface, garden of paying spool (12 ', 12) and pin (13 ', 13) is apart from being b=0.6-2.0mm.
6, suction saliva device according to claim 1 is characterized in that when discharging extruded air bag (4), the negative pressure that produces is the 1200-1600mm water column in air bag (4).
7, suction saliva device according to claim 1 and 2, it is characterized in that (material of (4) can be a rubber to air bag, the material of valve body (7,10 ', 10) can be nylon or polrvinyl chloride or polyethylene or polypropylene, and main valve plug (8,11 ', 11) and the material of paying spool (12 ', 12) can be rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212135 CN87212135U (en) | 1987-08-21 | 1987-08-21 | Cliic saliva sucking and draining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212135 CN87212135U (en) | 1987-08-21 | 1987-08-21 | Cliic saliva sucking and draining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87212135U true CN87212135U (en) | 1988-04-20 |
Family
ID=4826828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87212135 Withdrawn CN87212135U (en) | 1987-08-21 | 1987-08-21 | Cliic saliva sucking and draining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87212135U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670412A (en) * | 2012-05-15 | 2012-09-19 | 三峡大学第一临床医学院 | Trace liquid replenishing device |
| CN102727244A (en) * | 2012-07-10 | 2012-10-17 | 南方医科大学 | Occlusion fork for fixing in dental X-ray equipment |
| CN105832438A (en) * | 2016-06-15 | 2016-08-10 | 北京大学第三医院 | Clinical saliva sucking device |
| CN106362227A (en) * | 2016-12-07 | 2017-02-01 | 上海工程技术大学 | Nasal suction device |
-
1987
- 1987-08-21 CN CN 87212135 patent/CN87212135U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670412A (en) * | 2012-05-15 | 2012-09-19 | 三峡大学第一临床医学院 | Trace liquid replenishing device |
| CN102727244A (en) * | 2012-07-10 | 2012-10-17 | 南方医科大学 | Occlusion fork for fixing in dental X-ray equipment |
| CN105832438A (en) * | 2016-06-15 | 2016-08-10 | 北京大学第三医院 | Clinical saliva sucking device |
| CN105832438B (en) * | 2016-06-15 | 2019-02-01 | 北京大学第三医院 | Clinic saliva drawing device |
| CN106362227A (en) * | 2016-12-07 | 2017-02-01 | 上海工程技术大学 | Nasal suction device |
| CN106362227B (en) * | 2016-12-07 | 2018-10-16 | 上海工程技术大学 | Nose sucking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |