CN209285636U - Air valve and vapour-pressure type radial artery compression hemostat - Google Patents
Air valve and vapour-pressure type radial artery compression hemostat Download PDFInfo
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- CN209285636U CN209285636U CN201821637299.1U CN201821637299U CN209285636U CN 209285636 U CN209285636 U CN 209285636U CN 201821637299 U CN201821637299 U CN 201821637299U CN 209285636 U CN209285636 U CN 209285636U
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- valve
- air
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- wall
- air valve
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- 230000006835 compression Effects 0.000 title claims abstract description 37
- 238000007906 compression Methods 0.000 title claims abstract description 37
- 210000002321 radial artery Anatomy 0.000 title claims abstract description 30
- 239000002874 hemostatic agent Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 5
- 230000023597 hemostasis Effects 0.000 description 4
- 238000013146 percutaneous coronary intervention Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
It includes: valve base and flexible valve that the utility model, which provides a kind of air valve and vapour-pressure type radial artery compression hemostat, air valve,；Wherein, described air valve one end with the vapour-pressure type radial artery compression hemostat for connecting, the other end with air charging system for connecting, the valve base is the perforative hollow structure in both ends, and at least partly inner wall of the outer wall of the valve and the valve base is interference fit so that the valve is placed in the valve base.Using scheme provided by the utility model, production cost can be reduced, improves inflation/deflation operation ease.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is related to a kind of air valve and the hemostasis of vapour-pressure type arteria radialis compressing
Device.
Background technique
After percutaneous coronary intervention (pci) (percutaneous coronary intervention, PCI) operation, need
Hemostasis by compression is carried out using site of puncture of the radial artery hemostat to radial artery.The vapour-pressure type radial artery clinically used at present
Compression apparatus, air valve are all made of spring and the sealing of silica gel valve form, when being filled and deflated by, are required to Aerating needle pressing air valve,
Make spring-compressed, so that filling channel be made to open, Aerating needle is extracted after inflation, spring bounces, and closes filling channel.
However, above-mentioned vapour-pressure type radial artery compression hemostat, air valve structure complexity (generally comprises shell, spring, rubber plug
Deng), spare and accessory parts quantity and material category are more, complex process (shell needs ultrasonic bonding or bonding), produce precision to accessory
More demanding with assembly difficulty, production cost is relatively high.And when this kind of air valve is filled and deflated by, it is required to the hands hold respectively
Valve body and inflator pump are held, keeps pressing state to completion is filled and deflated by, this holds pressing operation, causes inflation/deflation process same
The pressure of step pressing perception air bag, operation are more inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of air valve and vapour-pressure type radial artery compression hemostats, to reduce production
Cost improves inflation/deflation operation ease.
To achieve the above object, the utility model provides a kind of air valve, for vapour-pressure type radial artery compression hemostat
It is filled and deflated by, comprising: valve base and flexible valve；
Wherein, for connecting with the vapour-pressure type radial artery compression hemostat, the other end is used for and fills for described air valve one end
Device of air connection, the valve base are the perforative hollow structure in both ends, and the outer wall of the valve and the valve base are at least
Internal partial wall is interference fit so that the valve is placed in the valve base.
Optionally, the air valve further include: valve upper cover, the valve upper cover are placed in one end of the valve base,
For the valve to be fixed in the valve base；
Through-hole is offered on the valve upper cover, the through-hole is for providing a channel so that Aerating needle passes through the valve body
Upper cover is inserted into the valve.
Optionally, the elastic conjunction by way of buckle is connect the valve base with the valve upper cover.
Optionally, the valve base and the valve upper cover are by ultrasonic bonding, or pass through glue sticking.
Optionally, the material of the valve is rubber material.
Optionally, the material of the valve is silica gel.
Optionally, the hollow structure of the valve base is cylinder, and the shape of the valve is cylinder.
Optionally, the shape of the valve is T-type, including orthogonal first part and second part, described first
The inner wall of the outer wall and the valve base that divide is interference fitted.
Optionally, the shape of the hollow structure of the valve base is also T-type, including mutually perpendicular first inner chamber
And second inner chamber, the inner wall interference fit of the outer wall of the first part and the first inner chamber, the outer wall of the second part
It is contacted with the inner wall of the second inner chamber.
Optionally, described valve one end offers a counterbore, and the counterbore is for providing an insertion channel to fill for described
Air tube is inserted through the valve.
Optionally, the counterbore base has the notch axially extending along the counterbore, and the notch and the insertion are logical
Road connection, is inserted through the valve by the notch convenient for the Aerating needle.
Optionally, the shape of the notch is linear type or cross.
To achieve the above object, the utility model additionally provides a kind of vapour-pressure type radial artery compression hemostat, and feature exists
In, including air valve as described in any one of the above embodiments.
Compared with prior art, air valve provided by the utility model includes valve base and flexible valve, the valve
Body pedestal is the perforative hollow structure in both ends, and at least partly inner wall of the outer wall of the valve and the valve base is interference fit
So that the valve is placed in the valve base, and generates certain extruding between the outer wall of the valve and the valve base, make
The valve be closed with the valve base to be formed it is airtight.As it can be seen that air valve provided by the utility model, product structure is simple, should not
High-precision is sought, die manufacturing cost is low, and spare and accessory parts are few, and simple for assembly process, frock tool needed for assembling is simple, and production cost is aobvious
Writing reduces, high production efficiency.Using the vapour-pressure type radial artery compression hemostat of above-mentioned air valve, inflation/deflation more convenient operation, inflation
Needle be inserted into air valve can inflation/deflation, inflation/deflation process can not have to it is hand steered hold air valve, convenient for freeing hand to accurately perceive air bag gas
The size of pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the vapour-pressure type radial artery compression hemostat that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the air valve that an embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the valve base that an embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram for the air charging system that an embodiment of the present invention provides；
Fig. 5 is the air valve inflation/deflation schematic diagram that an embodiment of the present invention provides；
Wherein, 10- main body, 11- velcro (mother)；12- velcro (public affairs)；13- compression bladder (big)；14- compression bladder
(small)；15- puncture marks point；16- liner plate；17- tracheae；18- examines air bag；19- air valve；191- valve base；1911- first
Inner cavity；1912- second inner chamber；192- valve；1921- first part；1922- second part；1923- counterbore；193- valve upper cover；
1931- through-hole；20- needle cap；21- Aerating needle；22- rubber plug；23- inflator pump；24- inflates push rod.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of air valve and vapour-pressure type pressure of the radial artery
Urgent haemostat is described in further detail.According to claims and following explanation, the advantages of the utility model and feature will more
It is clear.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the utility model embodiment.The same or similar appended drawing reference represents the same or similar portion in attached drawing
Part.
The core concept of the utility model is to provide a kind of air valve and vapour-pressure type radial artery compression hemostat, to solve
Existing its air valve structure of vapour-pressure type radial artery compression hemostat is complicated, and production cost is relatively high, and inflation/deflation process operates
The problems such as inconvenient.
To realize above-mentioned thought, the utility model provides a kind of air valve, is applied to vapour-pressure type radial artery compression hemostat
Be filled and deflated by, the air valve includes: valve base and flexible valve；Wherein, described air valve one end is used for and the air pressure
The connection of formula radial artery compression hemostat, for the other end for connecting with air charging system, the valve base is that both ends are perforative hollow
At least partly inner wall of structure, the outer wall of the valve and the valve base is interference fit, so that the valve is placed in the valve
In body pedestal.
In turn, the utility model additionally provides the vapour-pressure type radial artery compression hemostat including the air valve.The air pressure
A kind of specific structure of formula radial artery compression hemostat is as shown in Figure 1, the main body 10 of haemostat is band-like, 10 both ends of main body difference
It is provided with velcro (male) 12, velcro (mother) 11, the middle section of main body 10 is bilayer, and liner plate 16 is located in double-layer structure
Portion, liner plate 16 play a supportive role and in gas replenishment process to compression bladder (big) 13 and compression bladder (small) 14 carry out compressing to
Realize hemostasis, compression bladder (big) 13 and compression bladder (small) 14 stick at 10 middle section velcro (public affairs) of main body, 12 side together,
Compression bladder (small) 14 has puncture marks point 15, compression bladder (small) 14 and compressing at the separate edge with the junction of main body 10
Air bag (big) 13 is communicating with the junction of main body 10 and is sharing 19 inflation/deflation of air valve.Certainly, the gas including the air valve
Pressure type radial artery compression hemostat may be other structures, structure of the utility model to vapour-pressure type radial artery compression hemostat
With no restrictions.
The air valve structure is simple, and spare and accessory parts quantity (including valve base and flexible valve) and material category are few,
It is simple for assembly process, it is easily assembled, production cost is low.In addition, and the utility model air valve, when inflation/deflation, it is only necessary to will fill
Air tube passes through flexible valve, a hand-held air charging system, and another hand does not need to keep holding by pressure valve, but can
It, can be with the pressure of sharp synchronous pressing perception air bag with for changing by pressuring gasbag sensed pressure, operation is very easy.It can be with
Understand, the normally closed of the air valve is to be realized by valve base to the extruding of the flexible valve, in Aerating needle
After extraction, flexible valve described in inflation needle-penetration, which is formed by opening, to be closed completely, to keep good airtight
Property, therefore, air valve provided by the utility model is existing there is no common spring air valve because machining accuracy or installation are bad etc.
The defect that the air valve of certain probability is not closed completely caused by factor, product quality reliability provided by the utility model are higher.
Referring to FIG. 2, it is a kind of structural schematic diagram of air valve 19 provided by the utility model.As shown in Fig. 2, the gas
Valve 19 includes: valve base 191 and flexible valve 192, and described 19 one end of air valve is used for and the vapour-pressure type pressure of the radial artery
Compel haemostat connection, for the other end for connecting with air charging system, the valve base 191 is the perforative hollow structure in both ends, institute
At least partly inner wall of the outer wall and the valve base 191 of stating valve 192 is interference fit so that the valve 192 is placed in the valve
In body pedestal 191, the outer wall of the valve 192 generates certain extruding to the valve base 191, so that the valve 192 is placed in institute
One end air-tightness closure in valve base 191 is stated, to achieve the purpose that pressure maintaining.For convenient for assembly, the outer wall of the valve 192 with
It can be slight interference fit between the inner wall of the valve base 191.
The material of the valve 192 can be rubber material, preferably silica gel material.Silica gel has good resilience and light
Clean notch has the characteristics that autoadhesion, and silica gel valve is after Aerating needle extraction, and opening is closed completely, so as to keep good gas
Close property.
The hollow structure of the valve base 191 can be cylinder, correspondingly, the shape of the valve 192 may be column
Body, outer diameter slightly larger than the cylinder hollow structure of the valve base 191 internal diameter, in this way, can make the outer wall of the valve 192 with
The inner wall slight interference fit of the valve base 191.
In addition, the shape of the valve 192 may be T-type, including orthogonal first part 1921 and second part
1922, the inner wall interference fit of the outer wall of the first part 1921 and the valve base 191, the second part 1922 leans on
The end face of the nearly first part 1921 can contact or not contact with the end face of 191 other end of valve base.Into
One step, as shown in Figures 2 and 3, the shape of the hollow structure of the valve base 191 may be T-type, including hang down mutually
Straight first inner chamber 1911 and second inner chamber 1912, the inner wall of the outer wall of the first part 1921 and the first inner chamber 1911
Interference fit, the outer wall of the second part 1922 are contacted with the inner wall of the second inner chamber 1912.Specifically, the valve 192
Lower part be cylinder, outer diameter slightly larger than the first inner chamber 1911 cylinder internal diameter.
Preferably, when the valve 192 it is longer when, need using biggish power could will inflation needle-penetration described in valve 192,
Therefore for the ease of valve 192 described in inflation needle-penetration, a counterbore 1923 can be opened up in one end on the valve 192, it is described heavy
It hole 1923, can be with by 1923 Aerating needle of counterbore for providing an insertion channel to be inserted through the valve 192 for Aerating needle
It is more easily inserted through the valve 192, the counterbore 1923 is blind hole.
Furthermore it is also possible to the notch axially extending along the counterbore 1923 is opened up in 1923 bottom of counterbore, it is described to cut
Mouth is connected to the insertion channel, in order to which the Aerating needle is inserted through the valve 192 by the notch.It is understood that
The valve 192 has elasticity, and the extruding force generated between the valve base 191 and the valve 192, can make described cut
Mouthful closure forms airtight, achievees the purpose that pressure maintaining.
The notch can run through the bottom of the valve 192, can also be not through the shape of the notch can be a word
Shape or cross, or other forms, the utility model do not limit this.
Further, the valve 192 falls off from the valve base 191 in order to prevent, can also be arranged on a valve body
Lid 193, the valve upper cover 193 are fixedly connected with the other end of the valve base 191, the valve 192 are fixed on described
In valve base 191.The valve upper cover 193 can be by way of ultrasonic bonding, or makes mode and the institute of glue sticking
Valve base 191 is stated to be fixedly connected.
Preferably, the elastic conjunction in such a way that interference buckles connects the valve upper cover 193 with valve base 191, this
Kind connection type, structure is simple, does not require high-precision, simple for assembly process, production cost is low, high-efficient.Specifically, the valve
The circumferential direction of body upper cover 193 is provided with protrusion, and the other end of institute's valve base 191 is provided with towards the protrusion inside hollow structure,
The valve upper cover 193 is embedded in the hollow structure of the valve base 191 from the other end of institute's valve base 191,
The structure of the protrusion of the valve base 191 and the protrusion composition interference buckle of the valve upper cover 193.
Also, through-hole 1931 is offered on the valve upper cover, the through-hole 1931 is for providing a channel so as to fill
Air tube is inserted into the valve 192 by the valve upper cover 193.Preferably, the counterbore 1923 of the through-hole 1931 and the valve 192
Axis coincide, it is furthermore preferred that the internal diameter of the through-hole 1931 is less than or equal to the internal diameter of the counterbore 1923, in order to avoid air charging system
The valve 192 is touched in puncture process, generates unnecessary pause and transition in rhythm or melody sense.
Below with reference to Fig. 1-5, the process that is filled and deflated by of air valve is illustrated.Fig. 4 used inflation dress when being inflation/deflation
A kind of concrete structure schematic diagram set.
When inflation, the puncture marks point 15 on compression bladder (small) 14 is directed at patient's radial artery site of injury, is then adjusted
Two magics of radial artery compression hemostat are labelled to suitable position, and two velcro of adhesion, pull out the needle cap 20 of air charging system,
Being pulled outwardly inflation push rod 24 makes to be filled with gas in inflator pump 23, and Aerating needle 21 is inserted into air valve 19, and passes through described with elasticity
192 bottom of valve, formed filling channel, be pushed home into inflation push rod 24, with hand press examine air bag 18 experience pressure size, press
After power is suitable by Aerating needle 21 extract air valve 19, flexible 192 bottom of valve because itself have elasticity and with valve body bottom
Extruding force between seat 191, the flexible valve 192 are inflated the puncture of needle 21 and are formed by opening and are closed completely, inflate
Channel is also accordingly turned off, and compression bladder (big) 13, compression bladder (small) 14 expand and oppress point of puncture at this time, realizes hemostasis mesh
's.
When deflation, it is pushed home into inflation push rod 24 and empties gas in inflator pump 23 to bottom, then Aerating needle 21 is inserted into gas
Valve 19, and flexible 192 bottom of valve is passed through, bleed passage is formed, inflation push rod 24 is pulled outwardly, is pressed and examined with hand
Air bag 18 experiences pressure size, Aerating needle 21 is extracted air valve 19 after pressure is suitable, flexible 192 bottom of valve is because certainly
Body has elasticity and the extruding force between valve base 191, and the flexible valve 192 is inflated the puncture of needle 21 and is formed
Opening be closed completely, bleed passage is also accordingly turned off.After hemostatic closure, velcro is torn, haemostat is removed.
To sum up, compared with prior art, air valve provided by the utility model includes valve base and flexible valve, valve
Body pedestal is the perforative hollow structure in both ends, at least partly inner wall of the outer wall of the valve and valve base be interference fitted so that
The valve is placed in the valve base, and certain extruding is generated between the outer wall of the valve and the valve base, is made described
Valve be closed with valve base to be formed it is airtight.As it can be seen that air valve provided by the utility model, product structure is simple, does not require high-precision,
Die manufacturing cost is low, and spare and accessory parts are few, simple for assembly process, and frock tool needed for assembling is simple, and production cost significantly reduces, raw
It produces high-efficient.Using the vapour-pressure type radial artery compression hemostat inflation/deflation more convenient operation of above-mentioned air valve, Aerating needle is inserted into air valve
Can inflation/deflation, inflation/deflation process can not have to it is hand steered hold air valve, convenient for free hand to accurately perceive air bag pressure size.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (13)
1. a kind of air valve, for being filled and deflated by for vapour-pressure type radial artery compression hemostat characterized by comprising valve base and
Flexible valve；
Wherein, for connecting with the vapour-pressure type radial artery compression hemostat, the other end is used to fill with inflation for described air valve one end
Connection is set, the valve base is the perforative hollow structure in both ends, and the outer wall of the valve and the valve base are at least partly
Inner wall is interference fit so that the valve is placed in the valve base.
2. air valve as described in claim 1, which is characterized in that further include: valve upper cover, the valve upper cover are placed in the valve
In one end of body pedestal, for the valve to be fixed in the valve base；
Through-hole is offered on the valve upper cover, the through-hole is for providing a channel so that the air charging system passes through the valve
Body upper cover is inserted into the valve.
3. air valve as claimed in claim 2, which is characterized in that the side that the valve base and the valve upper cover pass through buckle
The connection of formula elastic conjunction.
4. air valve as claimed in claim 2, which is characterized in that the valve base and the valve upper cover pass through supersonic welding
It connects, or passes through glue sticking.
5. air valve as described in claim 1, which is characterized in that the material of the valve is rubber material.
6. air valve as claimed in claim 5, which is characterized in that the material of the valve is silica gel.
7. air valve as described in claim 1, which is characterized in that the hollow structure of the valve base is cylinder, described
The shape of valve is cylinder.
8. air valve as described in claim 1, which is characterized in that the shape of the valve is T-type, including orthogonal first
Divide and second part, the outer wall of the first part and the inner wall of the valve base are interference fitted.
9. air valve as claimed in claim 8, which is characterized in that the shape of the hollow structure of the valve base is also T
Type, including mutually perpendicular first inner chamber and second inner chamber, the inner wall mistake of the outer wall of the first part and the first inner chamber
It is full of cooperation, the outer wall of the second part is contacted with the inner wall of the second inner chamber.
10. air valve as described in claim 1, which is characterized in that described valve one end offers a counterbore, and the counterbore is for mentioning
For an insertion channel to be inserted through the valve for the air charging system.
11. air valve as claimed in claim 10, which is characterized in that the counterbore base is provided with axially extending along the counterbore
Notch, the notch is connected to the insertion channel, is inserted through the valve by the notch convenient for the air charging system.
12. air valve as claimed in claim 11, which is characterized in that the shape of the notch is linear type or cross.
13. a kind of vapour-pressure type radial artery compression hemostat, which is characterized in that including such as described in any item gas of claim 1-12
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821637299.1U CN209285636U (en) | 2018-10-09 | 2018-10-09 | Air valve and vapour-pressure type radial artery compression hemostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821637299.1U CN209285636U (en) | 2018-10-09 | 2018-10-09 | Air valve and vapour-pressure type radial artery compression hemostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209285636U true CN209285636U (en) | 2019-08-23 |
Family
ID=67653620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821637299.1U Active CN209285636U (en) | 2018-10-09 | 2018-10-09 | Air valve and vapour-pressure type radial artery compression hemostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209285636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456163A (en) * | 2021-08-10 | 2021-10-01 | 奥克兰高分子医用材料(天津)有限公司 | Disposable medical hemospast |
-
2018
- 2018-10-09 CN CN201821637299.1U patent/CN209285636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456163A (en) * | 2021-08-10 | 2021-10-01 | 奥克兰高分子医用材料(天津)有限公司 | Disposable medical hemospast |
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