CN104189994B - Gas injection valve and puncturing device with same - Google Patents
Gas injection valve and puncturing device with same Download PDFInfo
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- CN104189994B CN104189994B CN201410460004.8A CN201410460004A CN104189994B CN 104189994 B CN104189994 B CN 104189994B CN 201410460004 A CN201410460004 A CN 201410460004A CN 104189994 B CN104189994 B CN 104189994B
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Abstract
The invention discloses a gas injection valve and a puncturing device with the gas injection valve. The gas injection valve comprises a valve body, a valve element and a gas discharging button pin. The valve body is provided with a gas outlet capable of being connected with the puncturing device and a gas inlet capable of being connected with an external gas pump, and a gas channel is connected between the gas inlet and the gas outlet. The valve element has the first state for closing the gas channel and a second state for opening the gas channel. The gas discharging button pin can drive the valve element to move to the second state from the first state under the action of external force. The valve element is arranged to be subjected to the force for moving to the first state when in the second state. By means of the structure of the gas injection valve, the operation step of the gas injection valve can be simplified, and the operation efficiency in the puncturing device using process is improved.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance, and in particular to a kind of gas injection valve and with the gas injection valve
Puncture outfit.
Background technology
Puncture outfit is a kind of operating theater instruments for piercing through stomach wall and entrance lumenal passageway being provided for other operating theater instruments, belongs to one
Plant Minimally Invasive Surgery apparatus.Puncture outfit generally includes to enter the sleeve assembly of passage and through the set as other operating theater instruments
Puncturing lever in cartridge module.In order to penetrate skin, epiderm skin first is cut with scalpel, then apply pressure to the near-end of puncturing lever
Power, promotes the tip of the puncturing lever to penetrate skin and enter body cavity.Puncture outfit enters body cavity, then extracts puncturing lever, sleeve out
Component can serve as performing the mis instruments passage of endo-surgical and endoscopy operation.
In actual operation technique, because stomach wall is often bonded between internal internal organs, surgical field of view is caused to be limited, and shadow
The operation of mis instruments is rung, therefore after puncture outfit enters body cavity, it usually needs inert gas is pumped into intraperitoneal with external air pump,
To prop up abdominal wall, and provide operative space.In the prior art, when needing with external air pump pump gas, by by air pump with wear
Gas injection valve connection on thorn device, and the gas injection pin on gas injection valve is opened, gas is pumped into abdominal cavity by puncture outfit；Work as operation
Terminate or surgical procedure midfield intracavity gas are contaminated, and then, it is necessary to coordinate on opening gas injection valve when influenceing surgical field of view
Deflate and sell, gas is excreted by puncture outfit.
Thus the problem brought is, due to needing that gas injection pin and deflation pin are operated in multiple times in surgical procedure,
Medical personnel can cause the operation that can not successfully implement pump gas and deflate due to maloperation unavoidably, and then influence the effect of operation
Rate.
The content of the invention
An object of the present invention is to provide a kind of gas injection valve, operation when it can simplify pump gas and deflate, and is improved
Procedure efficiency.
The present invention also aims to provide a kind of puncture outfit.
One of for achieving the above object, the present invention provides a kind of gas injection valve, for puncture outfit, the gas injection valve bag
Include：
Valve body, is provided with the gas outlet that can be connected with the puncture outfit and the air inlet that can be connected with external air pump
Mouthful, it is connected with gas passage between the gas outlet and the air inlet；
Valve element, the valve element has the second of the first state and opening gas passage for closing the gas passage
State；
Deflation button pin, the deflation button pin can drive the valve element from the first state to described in the presence of external force
Second state motion；Wherein,
The valve element is arranged to the power by being moved to the first state in second state；
When external air pump from the air inlet to the gas outlet pump gas when, the gas for pumping into puts on the valve element one and pushes away
Power, the thrust drives the valve element from the first state to the second state motion.
As a further improvement on the present invention, the valve element includes valve block and the first elasticity unit being connected with the valve block
Part, is provided with the valve port being adapted to the valve block in the gas passage, when the valve element is located at first state, the valve block
Offseted with the valve port, when the valve element is located at the second state, the valve block is separated from one another with the valve port.
As a further improvement on the present invention, limiting section is provided with the deflation button pin, the limiting section limitation is described
Deflation button pin is along its axial largest motion distance.
As a further improvement on the present invention, first flexible member is conical helical spring.
As a further improvement on the present invention, the deflation button pin have not with the valve element interfere initial position and
Drive the valve element be located at the second state off-position, the deflation button pin be arranged at the off-position be subject to
The power of the initial position motion.
As a further improvement on the present invention, the deflation button pin includes pin rod and be linked on the pin rod second
Flexible member, the pin rod is provided with the first stopper section offseted with described second flexible member one end, second elasticity
The other end of element is relatively fixed with the pin rod.
As a further improvement on the present invention, the deflation button pin includes pin rod and be linked on the pin rod second
Flexible member, the pin rod is provided with the first stopper section, and the second stopper section, the second elasticity unit are additionally provided with the valve body
The two ends of part are held in first stopper section and second stopper section respectively.
As a further improvement on the present invention, first stopper section fits in the inwall of the valve body.
To realize above-mentioned another goal of the invention, the present invention provides a kind of puncture outfit, including sleeve assembly and through institute
The puncturing lever in sleeve assembly is stated, the sleeve assembly includes upper lid and the puncture sheath closed with the upper cover buckle, the puncture
Bar connects with the top cap, it is characterised in that be connected with gas injection valve as described above on the puncture sheath.
Compared with prior art, the gas injection valve that the present invention is provided is by the way that valve element to be set to the gas in opening gas injection valve
During passage, by the power to the state motion for closing the gas passage, therefore when the disappearance of the external force on valve body is acted on, valve body meeting
Gas passage is voluntarily closed, gas leakage is prevented；Meanwhile, when needing to deflate, it is only necessary to cause gas by the operation of deflation button pin
Passage is reopened, operation when simplifying puncture outfit pump gas and deflating, and improves procedure efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the implementation method of gas injection valve one of the present invention；
Fig. 2 is the structural representation of deflation button pin in the implementation method of gas injection valve one of the present invention；
Fig. 3 is the structural representation of valve body in the implementation method of gas injection valve one of the present invention；
During Fig. 4 is the implementation method of gas injection valve one of the present invention, valve element is located at sectional view during first state；
During Fig. 5 is the implementation method of gas injection valve one of the present invention, valve element is located at sectional view during the second state；
Fig. 6 is the structural representation of the implementation method of puncture outfit of the present invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these implementation methods are simultaneously
The present invention is not limited, structure that one of ordinary skill in the art is made according to these implementation methods, method or functionally
Conversion is all contained in protection scope of the present invention.
The word of described expression position and direction in of the invention, is using exercises on apparatus author as reference, near operation
One end of person is near-end, and the one end away from operator is distal end.
Ginseng Fig. 1 and Fig. 4, introduces a specific embodiment of gas injection valve 100 of the present invention.In the present embodiment, the gas injection
Valve 100 includes valve body 10, valve element 30 and deflation button pin 20.
Coordinate reference picture 2, the gas injection valve 100 shown in present embodiment is used for puncture outfit, and being provided with valve body 10 can
The gas outlet 12 being connected with puncture outfit and the air inlet 11 that can be connected with external air pump, between the gas outlet 12 and air inlet 11
It is connected with gas passage P.
It should be noted that " the gas passage P " that is previously mentioned in present embodiment to be not limited to it tight with peripheral member
Lattice are distinguished and standalone configuration, substantially, should " gas passage P " can be defined by the inwall of valve body 10, the also, " gas
Body passage P " can also not exist physical separation boundary between surrounding structure.
Valve body 10 constitutes the general appearance of puncture outfit, in the present embodiment, the valve body 10 include main part 101 and
The bonnet 102 being connected with the main part 101, for example can be screwed up, buckle etc. between main part 101 and bonnet 102 by screw thread
Selectable mode is attached.In manufacturing process, above-mentioned valve element 30 and deflation button pin 20 can be pre-installed into the main body
In portion 101, then bonnet 102 is docked with the main part 101, to realize the integral installation of gas injection valve 100.
Valve element 30 has the first state of confining gas passage P（State shown in Fig. 4）And open the second of gas passage P
State（State shown in Fig. 5）.Specifically, be provided with valve opening 13 in gas passage P, valve element 30 include valve block 31 and with valve block 31
First flexible member 32 of connection, valve element 30 is by closing the valve opening 13 to play the purpose of confining gas passage P.When valve element 30
During positioned at first state, valve block 31 offsets with valve opening 13, and when valve element 30 is located at the second state, valve block 31 is with valve opening 13 each other
Separate.
In various possible embodiments, valve opening 13 is preferably set to be adapted to the shape of valve block 31, for example, will
Valve opening is set to square, and valve block is set to an area of section and is more than more than the square or a base area of valve opening area of section
The rectangular pyramid of valve opening area of section.In present embodiment, valve block 31 is set to spherical, and the aperture of valve opening 13 is less than valve block 31
Diameter.Valve opening 13 is substantially in truncated cone-shaped, and the lateral wall of valve block 31 can be fitted on the madial wall of valve opening 13 to prevent the logical of gas
Cross.
In the present embodiment, valve element 30 is arranged in the second state by the power moved to first state, also
It is to say, when valve element 30 is when the second state is moved in the presence of external force, if now external force revocation, valve element 30 can be replied voluntarily
To first state, and then close gas passage P.Advantage of this is that, after being terminated using the pump gas of gas injection valve 100, operator
Without carrying out extra operation to gas injection valve 100, and directly external air pump can be disconnected with gas injection valve 100 or directly be stopped external
The pump gas of air pump.
The power that valve element 30 is subject to when the second state is moved to first state substantially comes from valve element 30 from first state
During to the second state motion, the first flexible member 32 suffers oppression put aside potential energy.In the present embodiment, the first flexible member
32 preferably, can bear compared with big load preferably by conical helical spring, the shock-absorbing capacity of conical helical spring.Furthermore, it is desirable to
Understand be, although in present embodiment, with valve element 30 from first state to the second state motion when, the first flexible member 32 is received
As a example by compressing savings potential energy, the technical scheme to the application is illustrated, but in the implementation method of more replacements, it is also possible to will
Valve element 30 is set to when first state is to the second state motion, and the first flexible member 32 is stretched to put aside potential energy, this kind of to replace
The implementation method changed, should work as and belong within protection scope of the present invention；And it is possible to replace, in some other realities
Apply in mode, the first flexible member 32 can also be using other forms such as such as shell fragments or elastomer.
Coordinate reference picture 2, deflation button pin 20 can drive valve element 30 from first state to the second state in the presence of external force
Motion, limiting section 212 is provided with deflation button pin 20, and the limiting section 212 limits deflation button pin 20 along its axial largest motion
Distance.In present embodiment, limiting section 212 is arranged at the part that deflation button pin 20 is matched with the outside of valve body 10, and limiting section 212 leads to
The interference with bonnet 102 is crossed to limit the largest motion distance of deflation button pin 20.
Used as preferred embodiment, deflation button pin 20 has the initial position do not interfered with valve element 30（Position shown in Fig. 4
Put）And drive valve element 30 to be located at the off-position of the second state（Position shown in Fig. 5）, deflation button pin 20 be arranged to release
Power during position by being moved to initial position.Specifically, deflation button pin 20 includes pin rod 21 and is linked on pin rod 21
Second flexible member 22, pin rod 21 is provided with the first stopper section 211 offseted with the one end of the second flexible member 22, the second elasticity
The other end of element 22 is relatively fixed with pin rod 21.When external force is acted on deflation button pin 20, deflation button pin 20 is by thereon
The first stopper section 211 compress the second flexible member 22, in the process, the second flexible member 22 savings potential energy, when external force is removed
During pin, the potential energy of the release savings of the second flexible member 22 drives deflation button pin 20 to return back to the initial bit do not interfered with valve element 30
Put.
In the implementation method of another replacement, in addition to the first stopper section 211 set on pin rod 21, it is additionally provided with valve body 10
Second stopper section 14, the two ends of the second flexible member 22 support and the first stopper section 211 and the second stopper section 14 respectively.This is implemented
In mode, the action principle of deflation button pin 20 is similar with above-mentioned implementation method, will not be described here.
Preferably, the first stopper section 211 is arranged to fit in the inwall of valve body 10, with the motion side to deflation button pin 20
To guiding, it is ensured that deflation button pin 20 and the accurate fit of valve element 30, the reliability of bleed air operation is improved.
In above-mentioned implementation method, the deflation button pin 20 can simultaneously be applied in pump gas and deflation course, gas injection valve
100 specific action principles are as follows：
When needing by gas injection 100 pump gas of valve, drive valve element 30 from first state to the second shape by deflation button pin 20
State is moved, and gas passage P is opened, and external air pump can be from air inlet 11 to the pump gas of gas outlet 12；After the completion of pump gas, close
External air pump, valve element 30 voluntarily from the second replying state is to first state and closes gas passage P, prevents gas leakage；Work as surgeon's knot
When needing to deflate in beam or surgical procedure, valve element 30 is driven to be transported to the second state from first state again by deflation button pin 20
Dynamic, to reopen gas passage P, intraperitoneal gas is pressurized countercurrently, and is discharged outside abdominal cavity by air inlet 11.
In more preferred implementation method, when external air pump from air inlet 11 to 12 pump gas of gas outlet when, valve element 30 is received
The resultant direction for arriving is identical to the direction of the second state motion from first state with it.That is, during pump gas, the gas for pumping into can be applied
A thrust on valve element 30 is added on, drives valve element 30 from first state to the second state motion, and the driving of the button pin 20 that need not deflate.
In this embodiment, the specific action principle of gas injection valve 100 is as follows：
When needing by gas injection 100 pump gas of valve, the gas-powered valve element 30 pumped into from air inlet 11 from first state to
Second state motion, gas passage P is opened, and the gas for pumping into and then can be pumped into from gas outlet 12 intraperitoneal；When pump gas are complete
Cheng Hou, closes external air pump, and valve element 30 voluntarily from the second replying state is to first state and closes gas passage P, prevents gas leakage；
When needing to deflate in operation end or surgical procedure, drive valve element 30 from first state to second again by deflation button pin 20
State motion, to reopen gas passage P, intraperitoneal gas is pressurized countercurrently, and is discharged outside abdominal cavity by air inlet 11.
Ginseng Fig. 6, introduces a specific embodiment of puncture outfit 200 of the present invention.In the present embodiment, the puncture outfit 200
Including sleeve assembly（Do not indicate）And through the puncturing lever 203 in sleeve assembly, the sleeve assembly include upper lid 201 and
The puncture sheath 202 closed with upper cover buckle, the near-end of puncturing lever 203 is fixedly connected with lid on this 201.Puncture and be connected with sheath 202
State the gas injection valve 100 described in implementation method.
During use, exerted a force by the upper lid 201 to puncture outfit 200, puncturing lever 203 penetrates skin and enters body cavity,
Puncture sheath 202 then out is extracted puncturing lever 203 by upper lid 201；Connecting gas injection valve 100 with external air pump carries out pump gas, gas
Body cavity is entered by the gas passage P in gas injection valve 100 and puncture sheath 202, to prop up abdominal wall, now, puncturing sheath 202 is
Can be as the mis instruments passage for performing endo-surgical and endoscopy operation.
Due to being not related in the application to the improvement in the other parts structure or function of puncture outfit 200, therefore to puncture outfit
Remaining structure also do not repeat.
The present invention is had the advantages that by above-mentioned implementation method：The gas injection valve 100 that the present invention is provided is by by valve
Core 30 is set to when the gas passage P in gas injection valve 100 is opened, by the power to the state motion for closing gas passage P,
Therefore when the disappearance of the external force on valve body 10 is acted on, valve body 10 can voluntarily close gas passage P, prevent gas leakage；Meanwhile, work as needs
During deflation, it is only necessary to cause that gas passage P is reopened by the operation of deflation button pin 20, simplify puncture outfit pump gas and deflation
When operation, improve procedure efficiency.
It should be understood that, although the present specification is described in terms of embodiments, but not each implementation method only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each implementation method can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment for understanding.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (9)
1. a kind of gas injection valve, for puncture outfit, it is characterised in that the gas injection valve includes：
Valve body, is provided with the gas outlet that can be connected with the puncture outfit and the air inlet that can be connected with external air pump, institute
State and be connected with gas passage between gas outlet and the air inlet；
Valve element, the valve element has the first state of the closing gas passage and opens the second shape of the gas passage
State；
Deflation button pin, the deflation button pin can drive the valve element from the first state to described second in the presence of external force
State motion；Wherein,
The valve element is arranged to the power by being moved to the first state in second state；
When external air pump from the air inlet to the gas outlet pump gas when, the gas for pumping into puts on the thrust of the valve element one,
The thrust drives the valve element from the first state to the second state motion.
2. gas injection valve according to claim 1, it is characterised in that the valve element includes valve block and is connected with the valve block
The first flexible member, the valve port being adapted to the valve block is provided with the gas passage, when the valve element be located at the first shape
During state, the valve block offsets with the valve port, and when the valve element is located at the second state, the valve block is with the valve port each other
Separate.
3. gas injection valve according to claim 2, it is characterised in that limiting section, the limit are provided with the deflation button pin
Position portion limits the deflation button pin along its axial largest motion distance.
4. gas injection valve according to claim 2, it is characterised in that first flexible member is conical helical spring.
5. gas injection valve according to claim 1, it is characterised in that the deflation button pin has what is do not interfered with the valve element
Initial position and the driving valve element are located at the off-position of the second state, and the deflation button pin is arranged in the release
Power during position by being moved to the initial position.
6. gas injection valve according to claim 5, it is characterised in that the deflation button pin includes pin rod and is linked in described
The second flexible member on pin rod, the pin rod is provided with the first stopper section offseted with described second flexible member one end,
The other end of second flexible member is relatively fixed with the pin rod.
7. gas injection valve according to claim 5, it is characterised in that the deflation button pin includes pin rod and is linked in described
The second flexible member on pin rod, the pin rod is provided with the first stopper section, and the second stopper section, institute are additionally provided with the valve body
The two ends for stating the second flexible member are held in first stopper section and second stopper section respectively.
8. the gas injection valve according to claim 6 or 7, it is characterised in that first stopper section fits in the valve body
Inwall.
9. a kind of puncture outfit, including sleeve assembly and through the puncturing lever in the sleeve assembly, the sleeve assembly bag
Lid and the puncture sheath closed with the upper cover buckle are included, the puncturing lever connects with the top cap, it is characterised in that the puncture
The gas injection valve described in any one just like claim 1 to 8 is connected on sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460004.8A CN104189994B (en) | 2014-09-11 | 2014-09-11 | Gas injection valve and puncturing device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460004.8A CN104189994B (en) | 2014-09-11 | 2014-09-11 | Gas injection valve and puncturing device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104189994A CN104189994A (en) | 2014-12-10 |
| CN104189994B true CN104189994B (en) | 2017-05-24 |
Family
ID=52075448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460004.8A Active CN104189994B (en) | 2014-09-11 | 2014-09-11 | Gas injection valve and puncturing device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104189994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109288568A (en) * | 2018-09-29 | 2019-02-01 | 江苏风和医疗器材股份有限公司 | A kind of puncture outfit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721651A (en) * | 2018-06-27 | 2018-11-02 | 北京大学深圳医院 | The preparation facilities of lipid ultrasonic microbubble contrast agent |
| CN111544094A (en) * | 2018-09-29 | 2020-08-18 | 江苏风和医疗器材股份有限公司 | Sealing element for a puncture device and puncture device |
| CN117205080A (en) * | 2023-11-07 | 2023-12-12 | 德宝恒生科技服务有限公司 | Dispensing device, gas storage method, and gas dispensing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104189994A (en) | 2014-12-10 |
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Address after: 213000 block B, 26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu jianruibao Medical Technology Co., Ltd Address before: Hutang Town, Jiangsu city of Changzhou Province, 213001 New Road No. 256 Jiangsu Wujin Science Park building 7A Patentee before: CHANGZHOU HEALTHYPOWER MEDICAL INSTRUMENT Co.,Ltd. |