CN209041046U - A kind of removable seal air pump - Google Patents
A kind of removable seal air pump Download PDFInfo
- Publication number
- CN209041046U CN209041046U CN201821266360.6U CN201821266360U CN209041046U CN 209041046 U CN209041046 U CN 209041046U CN 201821266360 U CN201821266360 U CN 201821266360U CN 209041046 U CN209041046 U CN 209041046U
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- China
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- air pump
- connection portion
- drive connection
- removable seal
- chamber
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Abstract
A kind of removable seal air pump, including driving mechanism, sealed chamber and drive connection portion；Driving mechanism is contained in sealed chamber；Drive connection portion penetrates sealed chamber and is sealedly attached to sealed chamber, and the inner end in drive connection portion is connected to driving mechanism, and the outer end in drive connection portion is removably connected to outer driving device.The utility model provides a kind of removable seal air pump, is also removably connected to outer driving device in the state of guaranteeing sealing, easy to disassemble to carry out sterilization processing or replacement, avoids germ cross-infection.
Description
Technical field
The utility model relates to pump technical fields, more particularly to a kind of removable seal air pump.
Background technique
With the development of science and technology, pump is widely used in fields such as agricultural, industry, medicine, especially cures
The pump for needing to use when operation in field is more and more, especially when carrying out the Minimally Invasive Surgery of laparoscope class, to guarantee
Operation is gone on smoothly, and most commonly the pernicious gas pumped by human abdominal cavity or smog etc. is used to be sucked out, and existing pump
Driving motor is directly to the inside of gas chamber, and only can not by the fastening of sealing ring captive screw between driving motor and gas chamber
Realize sealing, thus for this pump not can be carried out sterilizing less can guarantee it is dustless, if so this pump is recycled
Words, can have the risk hidden danger of germ cross-infection, not meet health care requirement.In addition, if being intended to that germ is avoided to intersect
The risk hidden danger of infection must just be made into the pump disposable pump, will result in be directly connected to plenum interior in this way
Driving motor also can be disposable driving motor, even more electronic waste be caused to pollute.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of removable seal air pump, is guaranteeing sealing
Outer driving device is also removably connected under state, it is easy to disassemble to carry out sterilization processing or replacement, avoid germ cross-infection.
To achieve the goals above, the utility model provides a kind of removable seal air pump.
A kind of removable seal air pump, including driving mechanism, sealed chamber and drive connection portion；The driving mechanism accommodates
In the sealed chamber；The drive connection portion penetrates the sealed chamber and is sealedly attached to the sealed chamber, the drive
The inner end of rotation connection is connected to the driving mechanism, and the outer end in the drive connection portion is removably connected to outer driving device.
Further, the drive connection portion is magnetic metal axis, and the drive connection portion is connected to by magnet fluid sealing
The cavity wall of the sealed chamber.
Further, drive connection portion outer end is equipped with groove, and the groove and the drive shaft of the outer driving device are matched
Close connection.
Further, the trough rim of the groove is in arc-shaped.
Further, the groove is set as cross recess or a word groove.
Further, the driving mechanism includes eccentric wheel, swing component and variable chamber；The bottom end of the eccentric wheel is connected to
The inner end in the drive connection portion, the top of the eccentric wheel are connected to the swing component, and the top of the swing component can abut
To the variable chamber and it can extrude the variable chamber.
Further, the top of the eccentric wheel, which is equipped with, interlocks brace, the gearing top end face of the brace from the eccentric wheel
Inclination extends upwards, and the bottom end of the swing component is equipped with the connecting hole with the gearing brace cooperation, and the swing component can be with institute
It states wobbler action and moves.
Further, the variable chamber is equipped with intake valve, when the variable chamber is squeezed by the swing component, the air inlet
Valve is opened, and when the variable chamber resets, the intake valve is closed.
Further, the driving mechanism further includes exhaust valve, and the exhaust valve is connected to the variable chamber, described variable
When chamber is squeezed by the swing component, the exhaust valve is opened, when the variable chamber resets, the exhaust valve closure.
Further, the variable chamber is set as leather cup or air bag.
The utility model has the beneficial effects that
Removable seal air pump provided by the utility model including being contained in the driving mechanism of sealed chamber, and penetrates close
Gas can be pumped into sealed chamber and concentrate discharge by envelope chamber and the drive connection portion for being sealedly attached to sealed chamber, driving mechanism
In specified space, the inner end in drive connection portion is connected to driving mechanism, and the outer end in drive connection portion is removably connected to outer drive
Dynamic device, air pump, which can be convenient, is connected to outer driving device to work, and conveniently dismantles from outer driving device to replace or sterilize.
The utility model provides a kind of removable seal air pump, is also removably connected to outer driving device in the state of guaranteeing sealing,
It is easy to disassemble to carry out sterilization processing or replacement, avoid germ cross-infection.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the utility model embodiment removable seal air pump；
Fig. 2 is the cross-sectional view of the utility model embodiment removable seal air pump；
Fig. 3 is the third cavity lid portion inside structure chart of the utility model embodiment removable seal air pump；
Fig. 4 is the structure chart in the drive connection portion of the utility model embodiment removable seal air pump；
In figure, 10-suction portions, 20-discharge portions, 30-connecting pipes, 40-outer driving devices, 50-sealed chambers,
51-the first cavity lid, 51a-inner seat, 51b-screw hole, the 52-the second cavity lid, 54-sealing rings, 60-driving machines
Structure, 61-eccentric wheels, 61-1-gearing brace, 62-swing components, 63-support portions, 64-variable chambers, 64-1-intake valve,
64-2-extension, 65-umbrella valves, 65-1-valve plate, 70-drive connection portions, 70-1-outer end, 70-2-first shaft portion, 70-
3-the second shaft portions, 70-4-third axle portion, the 4th axle portion of 70-5-, the 5th axle portion of 70-6-, 70-7-inner end, 71-outer shafts
It holds, 72-outer magnetic boots, 73-magnet rings, 74-inner magnetic boots, 75-inner bearings, the abdominal cavity F-
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is the Structure explosion diagram of the utility model embodiment removable seal air pump referring to Fig. 1, Fig. 1, Fig. 2 is that this is practical new
The cross-sectional view of type embodiment removable seal air pump, Fig. 3 are the third cavity of the utility model embodiment removable seal air pump
Lid portion inside structure chart, Fig. 4 are the structure chart in the drive connection portion of the utility model embodiment removable seal air pump.
The present embodiment provides a kind of removable seal air pump (following abbreviation air pumps), are used for family, agricultural, manufacturing industry, change
Clarifier, fish jar oxygenating, massager in the fields such as work, medicine, especially family etc., and, ventilator in medical instrument,
Sphygmomanometer, patient monitor etc. refer specifically to the smog in extraction abdominal cavity F, reconnect especially for the abdominal operation in medical domain
Filter device can filtration treatment, gas pours into again in abdominal cavity F.The removable seal air pump of the present embodiment, including be contained in close
The driving mechanism 60 of chamber 50 is sealed, and penetrates sealed chamber 50 and is sealedly attached to the drive connection portion 70 of sealed chamber 50, is driven
The inner end 70-7 of rotation connection 70 is connected to driving mechanism 60, and the outer end 70-1 in drive connection portion 70 is removably connected to outer drive
Dynamic device 40 (can be driving motor), air pump, which can be convenient, is connected to outer driving device 40 to work, and conveniently from outer driving
Device 40 is dismantled to replace or sterilize, and is also removably connected to outer driving device 40 in the state of guaranteeing sealing, easy to disassemble
It to carry out sterilization processing or replacement, avoids germ cross-infection or repair and replacement difficult, more can be achieved on when necessary disposable
It uses.
It can be but be not limited to, specific as follows, driving mechanism 60 is contained in sealed chamber 50, and sealed chamber 50, which is equipped with, to be connected
To be pumped into gas, sealed chamber 50 is equipped with communication seals chamber 50 in the inside and outside suction portion 10 of logical sealed chamber 50
Inside and outside discharge portion 20 is with discharge gas, in addition, drive connection portion 70 penetrates sealed chamber 50 and is sealedly attached to close
Chamber 50 is sealed, the inner end 70-7 in drive connection portion 70 is connected to driving mechanism, and the outer end 70-1 in drive connection portion 70 detachably connects
It is connected to outer driving device 40.Specifically, driving mechanism 60 is contained in sealed chamber 50, and outer driving device 40 can be connected to generate
Suction force is returned so that the gas of exterior space is pumped into sealed chamber 50 through suction portion 10 using the discharge of discharge portion 20 is specified
It receives in space, under the action of clamping force (can be provided by pressing device), the outer end 70-1 in drive connection portion 70 and outer drive
The drive shaft of dynamic device 40 (can be driving motor) is cooperatively connected, and at this time under the driving force of outer driving device 40, can drive
Drive connection portion 70 rotates so that air pump works, when needing replacing the air pump, it is only necessary to remove clamping force, manually
It can be taken off the air pump, that is, the air pump can manually be disassembled from the drive shaft of outer driving device 40, that is,
The lower air pump can also be dismantled from outer driving device 40 without tool (screwdriver etc.), used manpower and material resources sparingly, convenient for operation
It uses, that is to say, that air pump can be connected and disconnected from outer driving device 40 at any time, facilitated the dismounting and change of air pump, prevented
The phenomenon that germ cross-infection, disposable requirement when necessary easy to accomplish.Further, drive connection portion 70 penetrates
Sealed chamber 50, i.e. drive connection portion 70 pass through inner seat 51a set by sealed chamber 50 and penetrate driving sealing 50, and drive
Rotation connection 70 is sealedly attached to inner seat 51a, and the inner end 70-7 in drive connection portion 70 is connected to driving mechanism, drive connection portion 70
Outer end 70-1 be removably connected to outer driving device 40.More specifically, drive connection portion 70 can be magnetic metal axis, driving
Interconnecting piece 70 is connected to inner seat 51a by magnet fluid sealing, and from outside to inside, inner seat 51a is equipped with the first inner wall, the second inner wall, the
Three inner walls, the 4th inner wall, the 5th inner wall, and successively accommodate outer bearing 71, outer magnetic boots 72, magnet ring 73, inner magnetic boots 74 and inner shaft
Hold 75, wherein the first inner wall and outer bearing 71 are interference fitted, and the second inner wall and outer magnetic boots 72 are interference fitted, third inner wall and magnetic
Iron hoop 73 is interference fitted, and the 4th inner wall and inner magnetic boots 74 are interference fitted, and the 5th inner wall and inner bearing 75 are interference fitted.In addition, from
Outside in, drive connection portion 70 is equipped with outer end 70-1, first shaft portion 70-2, the second shaft portion 70-3, third axle portion 70-4, the 4th axis
Portion 70-5, the 5th axle portion 70-6 and inner end 70-7, wherein first shaft portion 70-2 and 71 clearance fit of outer bearing, the second shaft portion 70-
3 with outer 72 clearance fit of magnetic boots, third axle portion 70-4 and 73 clearance fit of magnet ring, between the 4th axle portion 70-5 and inner magnetic boots 74
Gap cooperation, the 5th axle portion 70-6 and 75 clearance fit of inner bearing, gap between the second shaft portion 70-3 and outer magnetic boots 72, the
Gap between four axle portion 70-5 and inner magnetic boots 74 instills magnetic fluid, and magnetic fluid adsorbs under the magnetic field force effect of magnet ring 73
It realizes and seals in gap, and the rotary motion under the driving of outer driving device 40 of drive connection portion 70.
In addition, the outer end 70-1 in drive connection portion 70 is equipped with groove, cross recess or a word groove can be, and cross is recessed
The trough rim of slot and a word groove is in arc-shaped so that it is convenient to be connected to outer driving device 40, cross recess or one in any angle
The drive shaft of word groove and outer driving device 40 is cooperatively connected, and can be but is not limited to, in the clamping force of pressing device
Under, the insertion of protrusion set by the drive shaft of above-mentioned cross recess or a word groove by driving motor is to realize cooperation, at this time
Under the driving force of driving motor, can drive drive connection portion 70 rotate so that air pump work, need replacing the air pump when
Wait, it is only necessary to remove the clamping force of pressing device, manually i.e. can be taken off the air pump, that is, manually can the air pump from
It disassembles in the drive shaft of driving motor, that is, can also be torn open from outer driving device 40 without tool (screwdriver etc.)
The air pump is unloaded, is used manpower and material resources sparingly, convenient for operating with.
It is installed on sealed chamber 50 in order to facilitate driving mechanism 60, sealed chamber 50 includes the first cavity lid 51 and second
The outside of the first cavity lid 51 is arranged in be communicated to exterior space in chamber lid body 52, suction portion 10, and the setting of discharge portion 20 is the
The outside of two cavity lids 52 is to be communicated to specified space, when driving mechanism 60 to be installed in place, then the first cavity lid
The opening of body 51 is sealedly attached to the opening of the second cavity lid 52, can be and is tightly connected by refractory seals glue, can also
Being sealed using the additional screw fixation method of sealing ring 54, it specifically is equipped with screw hole 51b in 51 inner cavity of the first cavity lid,
Correspondingly, screw hole is equally set in sealing ring 54 and 52 inner cavity of the second cavity lid, then using long screw the first cavity lid
Body 51 and the second cavity lid 52 are tightly connected.What wherein above-mentioned refractory seals glue generallyd use is two-component viscose glue, example
In this way double-component epoxy adhesive, bi-component polyurethane rouge adhesive, with guarantee it is non-toxic to humans, can also high temperature resistant, reach
Efficient sealed effect.
In addition, driving mechanism 60 includes eccentric wheel 61, swing component 62 and variable chamber 64.Wherein, 61 bottom end of eccentric wheel with
The inner end 70-7 in drive connection portion 70 is fixedly connected, and specifically inner end 70-7 is in semicircle tooth form, and 61 bottom end of eccentric wheel is equipped with and half
Semicircle orifice that knuckle-tooth shape matches simultaneously accommodates inner end 70-7, prevents eccentric wheel 61 from axial direction occurs with the rotation in drive connection portion 70
Rotation, in order to further position inner end 70-7 in 61 bottom end semicircle orifice of eccentric wheel, semicircle orifice side wall opens up threaded hole, spiral shell
Nail screws in threaded hole and abuts inner end semicircle orifice to be fixedly connected with eccentric wheel 61 in drive connection portion 70, including determining axially and radially
Position, in addition, 75 top end face of inner bearing is mutually abutted with 61 bottom face of eccentric wheel, with further limitation drive connection portion 70 in axial direction
Movement on direction.
Further, the top of eccentric wheel 61 is connect with swing component 62, and the top of swing component 62 can abut to variable chamber 64,
Extrudable variable chamber 64, in order to guarantee that the top of swing component 62 reliably abuts to variable chamber 64, at the bottom of variable chamber 64
End sets an extension 64-2, and extension 64-2 detachably passes through the top of swing component 62, and extension 64-2 is passing through swing component
The part on 62 tops is equipped with the protrusion that a limitation swing component 62 is detached from extension 64-2 under without manpower effect.More into one
Step, variable chamber 64 are equipped with intake valve 64-1, can be mode or check valve of a self-closing seal etc., as long as energy
Realize air inlet from this and cannot from this outlet, that is, one-way air inlet.When variable chamber 64 is squeezed by swing component 62
When, intake valve 64-1 is opened, and the gas in the first cavity lid 51 enters in variable chamber 64, when variable chamber 64 resets,
Intake valve 64-1 is closed, and the gas in variable chamber 64 cannot be flowed out from intake valve 64-1.In addition, the second cavity lid 52 includes
Exhaust valve and gas collection chamber, exhaust valve include the exhaust check valve that umbrella valve 65 and valve plate 65-1 are composed, and exhaust is unidirectional
Valve is connected to gas collection chamber by sealing glue, and gas collection chamber discharge portion 20, variable chamber 64 is by swing component
When 62 extruding, pressure value has reached the valve value of exhaust valve, and exhaust valve is opened, and the gas in variable chamber 64 enters gas collection
Chamber is simultaneously discharged by discharge portion 20, and when variable chamber 64 resets, exhaust check valve is closed, that is, in gas collection chamber
Gas cannot flow back into variable chamber 64, variable chamber 64 may be configured as leather cup or air bag etc. in the present embodiment, as long as
It is able to achieve the set-up mode for being squeezed to create internal pressure variation.Specifically, whenever variable chamber 64 is by swing component 62
When extruding, exhaust valve is opened, and the gas of variable chamber 64 is extruded dispatch outward, to guarantee pressure balance in sealed chamber 50,
Therefore gas is required supplementation in sealed chamber 50, at this time the only inside of 10 communication seals chamber 50 of suction portion and outer of sealed chamber 50
Portion, external gas add in sealed chamber 50 through suction portion 10, then the intake valve 64-1 opened by variable chamber 64 into
Enter variable chamber 64, then the exhaust check valve by opening, is discharged into through discharge portion 20 in specified space.
More specifically, the top of eccentric wheel 61, which is equipped with, interlocks brace 61-1, brace 61-1 is interlocked from the top of eccentric wheel 61
Inclination extends upwardly, and the bottom end of swing component 62 is equipped with the connecting hole with gearing brace 61-1 cooperation, to realize that swing component 62 can
With eccentric wheel 61 move and move back and forth, that is, swing component 62 can with 61 rotary motion of eccentric wheel reciprocally swinging, further
Ground, according to the range of driving revolving speed, swing component 62 also can be set multiple oscillating wings, can be two, three, four, five
It is a, six etc., matched variable chamber 64 can set up the variable chamber locellus of corresponding number separately, and intake valve 64-1 can set up correspondence separately
Quantity divides intake valve, and what exhaust valve can set up corresponding number separately divides exhaust valve.Oscillating wing is reciprocal with the rotation of eccentric wheel 61
When swing, that is, variable chamber locellus is squeezed by oscillating wing in turn, and is resetted, and whenever variable chamber locellus is squeezed by oscillating wing
When, pressure value has reached the valve value for dividing exhaust valve, and exhaust valve is divided to open, and the indoor gas of variable chamber point is extruded toward outlet
It send, to guarantee pressure balance in sealed chamber 50, therefore requires supplementation with gas in sealed chamber 50, sealed chamber 50 is only taken out at this time
Enter the inside and outside of 10 communication seals chamber 50 of portion, external gas adds in sealed chamber 50 through suction portion 10, passes through
Each point of intake valve enters each variable chamber locellus, then specified space is discharged into through discharge portion 20 by each point of exhaust valve
In, such set-up mode is more efficient.
In addition, if exterior space and sealed chamber 50 are set as sharing a cavity wall, then exterior space and sealed chamber
Connection between 50 only needs to open up through-hole, in addition, when exterior space and sealed chamber 50 are separately provided, for spirit
Mounting distance between setting exterior space living and sealed chamber 50 can be suction portion 10 and is tightly connected by connecting pipe 30
In exterior space, can arbitrarily select the length of interface channel 30, the both ends connector of interface channel 30 respectively with suction portion 10,
The interconnecting piece of exterior space is interference fitted connection, to realize sealing, specifically, connecting pipe 30 can be set to silica gel hose or
Other connecting components are with the interconnecting piece of communication seals chamber 50 and exterior space.
Air pump provided in this embodiment, driving mechanism 60 are contained in sealed chamber 50, and can connect outer driving device 40 with
Suction force is generated so that the gas of exterior space is pumped into sealed chamber 50 through suction portion 10, is specified using the discharge of discharge portion 20
Recycle space in, be connected to outer driving device 40 drive connection portion 70 be even more be sealedly attached to by Magneticfluid Seal Technique it is close
Chamber 50 is sealed, sealed chamber 50 is penetrated to drive driving mechanism 60, gas extraction is realized under sealed, sterile environment, in addition, should
It can be connected to driving device 40 at any time and dismantled from driving device 40 outside air pump, be even more convenient for the sterilizing or replacement of air pump, it is real
Now disposable requirement when necessary, because being to follow again after for some patient's uses for having infection illness
What ring used, the phenomenon that having prevented germ cross-infection.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, it will be appreciated by those skilled in the art that can to the technical solution of the utility model into
Row, which is modified, or equivalent replacement is without departing from the objective and range of the technical program should all cover the power in the utility model
In sharp claimed range.
Claims (10)
1. a kind of removable seal air pump, it is characterised in that:
Including driving mechanism, sealed chamber and drive connection portion；
The driving mechanism is contained in the sealed chamber；
The drive connection portion penetrates the sealed chamber and is sealedly attached to the sealed chamber, the drive connection portion it is interior
End is connected to the driving mechanism, and the outer end in the drive connection portion is removably connected to outer driving device.
2. removable seal air pump according to claim 1, it is characterised in that: the drive connection portion is magnetic metal
Axis, the drive connection portion are connected to the cavity wall of the sealed chamber by magnet fluid sealing.
3. removable seal air pump according to claim 2, it is characterised in that: drive connection portion outer end is equipped with recessed
The drive shaft of slot, the groove and the outer driving device is cooperatively connected.
4. removable seal air pump according to claim 3, it is characterised in that: the trough rim of the groove is in arc-shaped.
5. removable seal air pump according to claim 4, it is characterised in that: the groove is set as cross recess or one
Word groove.
6. -5 any removable seal air pump according to claim 1, it is characterised in that:
The driving mechanism includes eccentric wheel, swing component and variable chamber；
The bottom end of the eccentric wheel is connected to the inner end in the drive connection portion, and the top of the eccentric wheel is connected to the swing
Part, the top of the swing component can abut to the variable chamber and can extrude the variable chamber.
7. removable seal air pump according to claim 6, it is characterised in that: the top of the eccentric wheel, which is equipped with, to be interlocked tiltedly
Bar, the gearing brace tilts upwardly from the top of the eccentric wheel to be extended, and the bottom end of the swing component is equipped with and the company
The connecting hole of dynamic brace cooperation, the swing component can be moved with the wobbler action.
8. removable seal air pump according to claim 7, it is characterised in that: the variable chamber is equipped with intake valve, institute
When stating variable chamber and being squeezed by the swing component, the intake valve is opened, when the variable chamber resets, the intake valve close
It closes.
9. removable seal air pump according to claim 8, it is characterised in that: the driving mechanism further includes exhaust valve,
The exhaust valve is connected to the variable chamber, and when the variable chamber is squeezed by the swing component, the exhaust valve is opened, when
When the variable chamber resets, the exhaust valve closure.
10. removable seal air pump according to claim 9, it is characterised in that: the variable chamber be set as leather cup or
Air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266360.6U CN209041046U (en) | 2018-08-07 | 2018-08-07 | A kind of removable seal air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266360.6U CN209041046U (en) | 2018-08-07 | 2018-08-07 | A kind of removable seal air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041046U true CN209041046U (en) | 2019-06-28 |
Family
ID=67030687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821266360.6U Active CN209041046U (en) | 2018-08-07 | 2018-08-07 | A kind of removable seal air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799052A (en) * | 2018-08-07 | 2018-11-13 | 珠海市司迈科技有限公司 | A kind of removable seal air pump |
| CN110743262A (en) * | 2019-10-29 | 2020-02-04 | 珠海市司迈科技有限公司 | Integrated intra-cavity gas circulation treatment device for laparoscopic surgery |
-
2018
- 2018-08-07 CN CN201821266360.6U patent/CN209041046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799052A (en) * | 2018-08-07 | 2018-11-13 | 珠海市司迈科技有限公司 | A kind of removable seal air pump |
| CN110743262A (en) * | 2019-10-29 | 2020-02-04 | 珠海市司迈科技有限公司 | Integrated intra-cavity gas circulation treatment device for laparoscopic surgery |
| CN110743262B (en) * | 2019-10-29 | 2022-04-22 | 珠海市司迈科技有限公司 | Integrated intra-cavity gas circulation treatment device for laparoscopic surgery |
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