CN109908424A - A kind of disposable flushing aspirator - Google Patents
A kind of disposable flushing aspirator Download PDFInfo
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- CN109908424A CN109908424A CN201910283905.7A CN201910283905A CN109908424A CN 109908424 A CN109908424 A CN 109908424A CN 201910283905 A CN201910283905 A CN 201910283905A CN 109908424 A CN109908424 A CN 109908424A
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- China
- Prior art keywords
- control room
- flushing aspirator
- channel
- control unit
- disposable
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Abstract
The invention belongs to the field of medical instrument technology, more particularly to a kind of disposable flushing aspirator, the flushing aspirator includes a three-way valve, the three-way valve includes central control unit and the public passage, attraction channel, the irrigation channel that are connected on central control unit, and the public passage is located among attraction channel and irrigation channel；The central control unit includes the control room of sealing, the piston fitted closely with control room and operating stick；One end of the operating stick is fixedly connected with the piston, and the other end stretches out the control room；The present invention guarantees the non-interference of I & A operation by setting three-way valve, and when attraction channel is opened, irrigation channel is completely isolated, will not accumulate reflux, on the contrary and effect same；It is wide that the present invention can manually adjust flow, use scope, simple and practical in structure, convenient for being widely popularized.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of disposable flushing aspirator.
Background technique
In surgical operation, hemorrhagic areas is easy to stop the visual field of patient to influence being normally carried out for operation, needs
The region is cleaned；Sometimes it also needs that sample segment is taken to be chemically examined, this just needs to possess I & A function
Instrument.In order to mitigate the cleaning of staff and prevent cross-infection, flushing aspirator is disposable.Rinse and
It must be non-interference for attracting operation, so design flushing aspirator.
It is two channels with similar implementation recently of the invention, is I & A respectively, two buttons are controlled respectively
System.But two people having a common goal of the I & A of existing flushing aspirator do not have completely isolated, irrigation can touch aspirating valve
Door, the mixture for attracting out can also touch flushing valve；And backflow phenomenon is easy to produce when attracting；When I & A
The flow of liquids and gases can not be manually adjusted；Gas leakage is adjusted inconvenient or is adjusted without gas leakage when attraction；Do not take
Sample outlet, and it is easy blocking valve；Hand-held inconvenience.
Summary of the invention
In view of the above problems, the present invention is intended to provide a kind of disposable flushing aspirator.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of disposable flushing attraction is provided
Device, the flushing aspirator include three-way valve, and the three-way valve includes central control unit and is connected to
Public passage, the attraction channel, irrigation channel in control unit are entreated, the public passage is located in attraction channel and irrigation channel
Between；The central control unit includes the control room of sealing, the piston fitted closely with control room and operating stick；The operating stick
One end be fixedly connected with the piston, the other end stretches out the control room.
Further, the control room is in long barrel shape, and the public passage is connected to the centre of the control room, described
Irrigation channel and the attraction channel are symmetrically connected on the control room of the public passage two sides.Further, the work
Plug includes wide liner, the first narrow gasket and the second narrow gasket, and the width of the wide liner is greater than the diameter of public passage；Described
One narrow gasket and the second narrow gasket pass through connecting rod respectively and connect with the wide liner；The first narrow gasket is located at control room
Between one end face and attraction channel, the second narrow gasket is between control room second end face and irrigation channel.
As an improvement the central control unit further includes reset spring, the reset spring setting is described the
Between one narrow gasket and control room first end face, and/or it is arranged between the described second narrow gasket and control room second end face.
It is improved as further, the flushing aspirator is additionally provided with sample tap, and the sample tap is arranged described
On attraction channel, or on the control room that is arranged between wide liner and the first narrow gasket.
Furthermore return-air valve is installed on the sample tap.
Furthermore limit buckle is provided in the operating stick.
As an improvement being arranged with hand holding handle on the central control unit, the hand holding handle is divided into upper and lower part,
The top includes that index finger finger ring is buckled, and the lower part includes that middle finger finger ring is buckled and buckles the subring connecting with the second finger ring.
As a further improvement, the end of the operating stick is additionally provided with thumb finger ring and buckles.
It further, further include reinforcing rib, the reinforcing rib is separately connected control room and public passage.
A kind of disposable flushing aspirator of the present invention, by being equipped with three-way valve, guarantee I & A operation mutually not
Interference, when attraction channel is opened, irrigation channel is completely isolated, will not accumulate reflux, on the contrary and effect same；The present invention can
Flow is manually adjusted, it can also be by adjusting return-air valve gas leakage to prevent accident, while being equipped with sampling outlet and sample is facilitated to take out not
Easily blocking, and the hand holding handle based on ergonomic designs is more convenient；Use scope of the present invention is wide, simple and practical in structure, just
In being widely popularized.
Detailed description of the invention
Fig. 1 is that a kind of disposable flushing aspirator of the present invention faces diagrammatic cross-section；
Fig. 2 is a kind of disposable flushing aspirator stereoscopic schematic diagram of the present invention；
Fig. 3 is a kind of disposable flushing aspirator flow direction schematic diagram of the present invention.
Description of symbols: 1. three-way valves；2. return-air valve；3. piston rod；4. hand holding handle；5. end cap；6. limit buckle；7.
Operating stick；8. wide liner；9. narrow gasket；10. reset spring；11. metal suction pipe.
Specific embodiment
A kind of disposable flushing aspirator provided by the invention is illustrated below in conjunction with Fig. 1-3.
As shown in Figure 1-3, the present invention provides a kind of disposable flushing aspirator, the flushing aspirator includes a threeway
Valve 1, the three-way valve 1 include central control unit and the public passage being connected on central control unit, attract
Channel, irrigation channel, the public passage are located among attraction channel and irrigation channel；The flushing aspirator includes a gold
Belong to suction pipe 11, metal suction pipe 11 is connected through a screw thread on the public passage for being mounted on the three-way valve 1.The center
Control unit includes the control room of sealing, the piston fitted closely with control room and operating stick 7；One end of the operating stick 7 with
Piston is fixedly connected, and the other end stretches out the control room.The control room is in long barrel shape, as a kind of preferred embodiment, institute
Stating control room is cylindrical structure, specifically, the both ends of the control room have helicitic texture, two sides end cap 5 is threaded through connection
To make control room seal；The public passage is connected to the centre of the control room, and the irrigation channel and described attract are led to
Road is symmetrically connected on the control room of the public passage two sides；The flushing aspirator is additionally provided with sample tap, the sampling
Mouth is arranged on the attraction channel, or on the control room being arranged between wide liner 7 and the first narrow gasket 9；As the present invention
A kind of preferred embodiment, return-air valve 2 is installed on the sample tap.
As a kind of preferred embodiment of the invention, the piston includes wide liner 7, the first narrow gasket 9 and the second narrow pad
Piece 9, the width of the wide liner 7 are greater than the diameter of public passage；The first narrow gasket 9 and the second narrow gasket 9 pass through respectively
Connecting rod is connect with the wide liner 7；The first narrow gasket 9 is described between control room first end face and attraction channel
Second narrow gasket 9 is between control room second end face and irrigation channel.Further, the central control unit further includes multiple
Position spring 10, the reset spring 10 are arranged between the described first narrow gasket 9 and control room first end face, and/or setting exists
Between the second narrow gasket 9 and control room second end face.The end cap 5 is threadedly attached in two side pressures of the control room
The tight reset spring 10, and then guarantee the piston rod 3 in middle position state, to keep wide liner 7 not by external force
Under, public passage is closed always.
As a kind of preferred embodiment, in order to which more convenient uses the present invention, present invention combination ergonomics and human body
Mechanics devises 4 structure of hand holding handle, and compounding practice bar 7 uses.Specifically, hand holding handle 4 is arranged on the central control unit,
The hand holding handle 4 divides for upper and lower part, and the top includes that index finger finger ring is buckled, and the lower part includes that middle finger finger ring is buckled and with
Two finger rings buckle the subring of connection；The end of the operating stick 7 is additionally provided with thumb finger ring and buckles.When operation, index finger and middle finger point
During the index finger finger ring for not clasping 4 upper and lower part of hand holding handle is buckled and middle finger finger ring buckles, remaining nameless and little finger covers
In subring, during the thumb finger ring that thumb penetrates operating stick 7 is buckled, the switching that I & A is completed in push-and-pull operation is carried out, together
When the strength of I & A can also be controlled by push-and-pull amplitude.
It is provided with limit buckle 6 in the operating stick 7, is set in the operating stick 7 there are two limiting slot, one of limiting slot
In control room, another limiting slot is located at outside control room, and 6 sets of the limit buckle is in limiting slot, for limiting operating stick 7
Push-and-pull amplitude.
Further, in order to protect the stable connection of public passage and control room, the present invention is additionally provided with reinforcing rib, institute
It states reinforcing rib and is separately connected control room and public passage, be fixed together the two, increase stability, be hardly damaged.
For the clearer explanation present invention, further referring to Fig. 3, it is illustrated for use state: by solid arrow
The operating stick 7 is pulled shown in head, attraction channel is turned on, and the limit buckle 6 on the left side sets extreme position, by arrow
The shown amount of movement stool and urine for pulling the operating stick 7 is to adjust to attract flow；By the pulling operating stick shown in hollow arrow
7, irrigation channel is turned on, and the limit buckle 6 on the right sets extreme position, by the pulling operating stick 7 shown in arrow
Amount of movement stool and urine be adjust flushing flow rate.
When to be sampled, return-air valve 2 is removed, takes out sample from sampling gas leakage mouth.It is low in valve when attraction channel is opened
Pressure, valve are outside high pressures, are just closed by return-air valve 2 described in gas extrusion；When gas leakage being needed to adjust, described return is pinched with hand
Air valve 2 can be carried out gas leakage adjusting.
A kind of disposable flushing aspirator of the present invention, by being equipped with three-way valve 1, guarantee I & A operation mutually not
Interference, when attraction channel is opened, irrigation channel is completely isolated, will not accumulate reflux, on the contrary and effect same；The present invention can
Flow is manually adjusted, it can also be by adjusting 2 gas leakage of return-air valve to prevent accident, while being equipped with sampling outlet and sample is facilitated to take out not
Easily blocking, and the hand holding handle 4 based on ergonomic designs is more convenient；Use scope of the present invention is wide, simple and practical in structure, just
In being widely popularized.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of disposable flushing aspirator, which is characterized in that the flushing aspirator includes a three-way valve, the threeway
Valve includes central control unit and the public passage, attraction channel, the irrigation channel that are connected on central control unit, institute
Public passage is stated to be located among attraction channel and irrigation channel；The central control unit includes control room and the control of sealing
The piston and operating stick that room fits closely；One end of the operating stick is fixedly connected with the piston, and the other end stretches out the control room.
2. disposable flushing aspirator as described in claim 1, which is characterized in that the control room is in long barrel shape, described
Public passage is connected to the centre of the control room, and the irrigation channel and the attraction channel are symmetrically connected to described public logical
On the control room of road two sides.
3. disposable flushing aspirator as claimed in claim 2, which is characterized in that the piston includes wide liner, first narrow
Gasket and the second narrow gasket, the width of the wide liner are greater than the diameter of public passage；The first narrow gasket and the second narrow pad
Piece passes through connecting rod respectively and connect with the wide liner；The first narrow gasket be located at control room first end face and attraction channel it
Between, the second narrow gasket is between control room second end face and irrigation channel.
4. disposable flushing aspirator as claimed in claim 3, which is characterized in that the central control unit further includes resetting
Spring, the reset spring are arranged between the described first narrow gasket and control room first end face, and/or are arranged described second
Between narrow gasket and control room second end face.
5. disposable flushing aspirator as described in claim 1, which is characterized in that the flushing aspirator is additionally provided with sampling
Mouthful, the sample tap is arranged on the attraction channel, or on the control room being arranged between wide liner and the first narrow gasket.
6. disposable flushing aspirator as claimed in claim 5, which is characterized in that be equipped with return-air valve on the sample tap.
7. disposable flushing aspirator as described in claim 1, which is characterized in that be provided with limit buckle in the operating stick.
8. disposable flushing aspirator as described in claim 1, which is characterized in that be arranged with hand on the central control unit
Hold handle, the hand holding handle is divided into upper and lower part, and the top includes that index finger finger ring is buckled, the lower part include middle finger finger ring buckle and
The subring connecting is buckled with the second finger ring.
9. disposable flushing aspirator as claimed in claim 7, which is characterized in that the end of the operating stick is additionally provided with thumb
Refer to that finger ring is buckled.
10. disposable flushing aspirator as described in claim 1, which is characterized in that it further include reinforcing rib, the reinforcing rib point
It Lian Jie not control room and public passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283905.7A CN109908424A (en) | 2019-04-10 | 2019-04-10 | A kind of disposable flushing aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283905.7A CN109908424A (en) | 2019-04-10 | 2019-04-10 | A kind of disposable flushing aspirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109908424A true CN109908424A (en) | 2019-06-21 |
Family
ID=66969314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910283905.7A Pending CN109908424A (en) | 2019-04-10 | 2019-04-10 | A kind of disposable flushing aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109908424A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951166A (en) * | 1974-06-12 | 1976-04-20 | Whitener Robert V | Rapid acting valve assembly |
| CN1064815A (en) * | 1991-01-11 | 1992-09-30 | 塔霍普罗仪器公司 | Suction irrigator valve apparatus |
| CN201001776Y (en) * | 2007-01-10 | 2008-01-09 | 李林风 | Medical instrument with flushing, suction and suction pressure regulating function |
| US20120004627A1 (en) * | 2004-01-27 | 2012-01-05 | Enzysurge Ltd. | Apparatus and methods for enzymatic debridement of skin lesions |
| US20160015947A1 (en) * | 2014-03-25 | 2016-01-21 | Philip Avevor | Device for independently inflating, deflating, supplying contrast media to and monitoring up to two balloon catheters for angioplasty |
| CN208541614U (en) * | 2017-12-12 | 2019-02-26 | 广州华一生物科技有限公司 | A kind of split type negative pressure drainage device |
-
2019
- 2019-04-10 CN CN201910283905.7A patent/CN109908424A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3951166A (en) * | 1974-06-12 | 1976-04-20 | Whitener Robert V | Rapid acting valve assembly |
| CN1064815A (en) * | 1991-01-11 | 1992-09-30 | 塔霍普罗仪器公司 | Suction irrigator valve apparatus |
| US20120004627A1 (en) * | 2004-01-27 | 2012-01-05 | Enzysurge Ltd. | Apparatus and methods for enzymatic debridement of skin lesions |
| CN201001776Y (en) * | 2007-01-10 | 2008-01-09 | 李林风 | Medical instrument with flushing, suction and suction pressure regulating function |
| US20160015947A1 (en) * | 2014-03-25 | 2016-01-21 | Philip Avevor | Device for independently inflating, deflating, supplying contrast media to and monitoring up to two balloon catheters for angioplasty |
| CN208541614U (en) * | 2017-12-12 | 2019-02-26 | 广州华一生物科技有限公司 | A kind of split type negative pressure drainage device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |