CN204479237U - The pressure indicator of adjustable balloon pressure - Google Patents
The pressure indicator of adjustable balloon pressure Download PDFInfo
- Publication number
- CN204479237U CN204479237U CN201520133639.7U CN201520133639U CN204479237U CN 204479237 U CN204479237 U CN 204479237U CN 201520133639 U CN201520133639 U CN 201520133639U CN 204479237 U CN204479237 U CN 204479237U
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- pressure
- intermediate member
- housing
- indicator
- pipe
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Abstract
The utility model provides a kind of and can ensure to support effect and the pressure indicator of pressure instruction adjustable balloon pressure accurately, it comprises the housing formed by upper cover and lower cover, be provided with the intermediate member of tubular in the housing, elastic pressure reaction diaphragm is coated with in the lower port of intermediate member, intermediate member inner chamber is formed in the inside of intermediate member, housing cavity is formed between housing and intermediate member, housing is connected with by sacculus charge and discharge tracheae, joint, the sacculus inflation/deflation unit that stationary installation is formed and the pressure feedback unit be made up of communicating pipe and pressure feedback pipe, the gas outlet being formed and being communicated with housing cavity and the pressure feedback mouth stretching to intermediate member inner chamber is covered upper, joint is communicated with the gas outlet of upper cover via sacculus charge and discharge tracheae, communicating pipe is communicated with the pressure feedback mouth of upper cover via pressure feedback pipe, the support ring formed by the material with rigidity is embedded with by interference fit at the internal perisporium of intermediate member.
Description
Technical field
The utility model relates to a kind of pressure indicator of adjustable balloon pressure, can monitor, feedback regulation laryngeal mask, and trachea cannula, tracheostomy tube etc. are with the balloon pressure of the product of balloon structure.
Background technology
In the medical field, laryngeal mask is a kind of novel gas passage equipment, it is used in operation as patient sets up artificial airway, a kind of device of assisted respiartion, trachea cannula and tracheostomy tube are important medical supplies conventional in rescue service, are medical supplies conventional in management of respiratory.
In the medical instruments fields such as laryngeal mask, trachea cannula and tracheostomy tube, in order to reach optimum condition can to the oxygen therapy state of patient, in this kind of medical supplies, Basic Design has a kind of sacculus for sealing human airway.For the consideration to patient safety, very important to the pressure monitoring of sacculus, need clinically to adopt and measure and instruction laryngeal mask, trachea cannula, the indicator of tracheostomy tube, to carry out monitor and forecast to ball intraluminal pressure at any time.
In the prior art, the application number Chinese utility model patent that to be the denomination of invention in 2013207276348 (November 14 2013 applying date) be " pressure indicator ", disclose a kind of structure of pressure indicator, its structure is made up of upper cover, intermediate member, elastic pressure reaction diaphragm, transmission indicator stem and lower cover member.
Its advantage is:
1) pressure indicating range is wide, can reach 10cm water column to 100cm water column range.
2) indicate precision high, resolvability is strong.
3) strong adaptability, can be used for the control survey of air pressure or hydraulic pressure.
But the instruction of its connecting link is sensitive not, and indicating effect is not good enough, simultaneously in using method, mention from the scale mark lower cover and read reading, but only there is scale mark, not there is the marking line of prompting negative pressure, safe pressure and malleation.
Application number is that the Chinese utility model patent in 2014202165004 (April 30 2014 applying date) is improved above-mentioned defect, remove the hole of both sides, indication end, make indicating effect better stable while pressure instruction tag obvious, the marking line of negative pressure, safe pressure and malleation simultaneously outside housing, ensure that the security of use.
But there is common defect in above-mentioned two kinds of patents:
1) when passing through laryngeal mask, trachea cannula, tracheostomy tube etc. for patient set up artificial airway time, passing through this artificial airway at lung ventilator is in the process of patient's oxygen supply, human lung's air pressure can increase thereupon and reduce, there will be the situation that sacculus extrudes person's windpipe wall or the situation producing gap between sacculus and tracheal wall, thus affect oxygen supply effect.
2) intermediate member of these two kinds of patents is all made up of single cavity structure, and intensity is lower, there is the possibility that this intermediate member deforms in pressure monitoring process, thus there is accurately may not of pressure instruction.
Utility model content
The purpose of this utility model is the weak point existed for prior art, and provides a kind of and can ensure to support effect and the pressure indicator of pressure instruction adjustable balloon pressure accurately.
The utility model for achieving the above object, and adopts following technical scheme.
The pressure indicator of the adjustable balloon pressure of technical scheme 1, comprise the housing formed by upper cover and lower cover, the intermediate member of tubular is provided with in described housing, elastic pressure reaction diaphragm is coated with in the lower port of described intermediate member, described elastic pressure reaction diaphragm is connected with transmission indicator stem, intermediate member inner chamber is formed in the inside of described intermediate member, housing cavity is formed between described housing and described intermediate member, be connected with by sacculus charge and discharge tracheae on the housing, joint, the sacculus inflation/deflation unit that stationary installation is formed and the pressure feedback unit be made up of communicating pipe and pressure feedback pipe, the gas outlet being formed and being communicated with described housing cavity and the pressure feedback mouth stretching to described intermediate member inner chamber is covered on described, described joint is communicated with the gas outlet of described upper cover via described sacculus charge and discharge tracheae, in the outside of described joint, described stationary installation is installed, described communicating pipe is communicated with the pressure feedback mouth of described upper cover via described pressure feedback pipe, the support ring formed by the material with rigidity is embedded with by interference fit at the internal perisporium of described intermediate member.
The pressure indicator of the adjustable balloon pressure of technical scheme 2, in the pressure indicator of the adjustable balloon pressure of technical scheme 1, be formed by connecting by the hollow tube that 2 are parallel to each other in the axial direction described communicating pipe or be formed by connecting at the hollow tube axially forming angle by 2.
The pressure indicator of the adjustable balloon pressure of technical scheme 3, in the pressure indicator of the adjustable balloon pressure of technical scheme 2, described pressure feedback pipe is axially inserted into described communicating pipe from the connecting portion of the hollow tube forming described communicating pipe along described communicating pipe, or described pressure feedback pipe is inserted into described communicating pipe from the periphery wall of described communicating pipe.
The pressure indicator of the adjustable balloon pressure of technical scheme 4, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, be provided with the air intake opening be connected with syringe in the lower end of described lower cover, in described housing, be provided with one-way valve structures.
The pressure indicator of the adjustable balloon pressure of technical scheme 5, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, the shape of described support ring is thin wall cylinder-shaped.
The pressure indicator of the adjustable balloon pressure of technical scheme 6, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, described stationary installation is by middle siphunculus body, forming with the folding wings of locking support lug structure of being connected with one end of described middle siphunculus body.
The pressure indicator of the adjustable balloon pressure of technical scheme 7, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, the cylindrical structural that described stationary installation has screw buckle by inside is formed.
The pressure indicator of the adjustable balloon pressure of technical scheme 8, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, the Structure composing that described stationary installation is coordinated with female Luer by internal diameter.
The pressure indicator of the adjustable balloon pressure of technical scheme 9, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, described pressure feedback pipe is flexible pipe.
The pressure indicator of the adjustable balloon pressure of technical scheme 10, in the pressure indicator of the adjustable balloon pressure of any one of technical scheme 1 to 3, described stationary installation is formed by the material with rigidity.
Compared with prior art, the utility model has following beneficial effect.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 1, housing is connected with the sacculus inflation/deflation unit be made up of sacculus charge and discharge tracheae, joint, stationary installation and the pressure feedback unit be made up of communicating pipe and pressure feedback pipe, this sacculus inflation/deflation unit is communicated with housing cavity, and this pressure feedback unit is connected with intermediate member inner chamber.When the patient inhales, human lung's cavity is caused to be expanded instantaneously, thus cause balloon of trachea cannula 1 and tracheal wall to there is gap, balloon of trachea cannula pressure also reduces thereupon, for equilibrium air pressure, elastic pressure inductive iris can expand downwards, thus the extruded gas of housing cavity can supplement to balloon of trachea cannula by inflated pipe again, balloon of trachea cannula increases instantaneously, thus reaches the problem that between adjustment oxygen supply moment balloon of trachea cannula and tracheal wall, gap increases.In like manner as the patient exhales, oxygen supply moment sacculus can be alleviated to the extruding problem of tracheal wall.In intermediate member, increase supporting ring structure, add the intensity of intermediate member, in use can prevent the not accurate problem of instruction caused because of intermediate member distortion.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 2 or 3, when forming communicating pipe, easily manufactured cost is low, in addition, uses installation process easy to operate, especially when connecting lung ventilator, is convenient to connect lung ventilator.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 4, by under cover and form air intake opening and one-way valve structures, can with the function of simple structural pressure indicator, manufacture simple, cost is low.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 5, by making support ring be formed as cylindrical shape, being convenient to installation and the dismounting of support ring, being easy to overhaul pressure indicator.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 6,7 or 8, can securely joint be fixed on inflated pipe, difficult drop-off.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 9, because pressure feedback pipe is flexible pipe, so be easy to bending, various environment can be suitable for and put posture.
According to the pressure indicator of the adjustable balloon pressure of technical scheme 10, because stationary installation is formed by the material with rigidity, so further increase the stability of the connection of joint and inflated pipe.
Accompanying drawing explanation
Fig. 1 is a kind of structure cut-open view of pressure indicator of adjustable balloon pressure.
Fig. 2 is support ring front view.
Fig. 3 is joint cut-open view.
Fig. 4 is joint front view.
Fig. 5 is stationary installation and joint sectional arrangement drawing.
Fig. 6 is stationary installation and joint assembling front view.
Fig. 7 is stationary installation and joint sectional arrangement drawing.
Fig. 8 is stationary installation and joint assembling front view.
Fig. 9 is principle schematic.
Wherein Reference numeral is:
1 communicating pipe; 2 pressure feedback pipes; 3 inflated pipes; 4 joints; 5 stationary installations; 6 upper covers; 6-1 gas outlet; 6-2 pressure feedback mouth; 7 intermediate members; 8 support rings; 8-1 intermediate member inner chamber; 9 elastic pressure reaction diaphragms; 10 transmission indicator stems; 11 lower covers; 11-1 air intake opening; 11-2 one-way valve structures; 11-3 housing cavity; Siphunculus body in 5-1; 5-2 locks support lug structure; 5-3 folding wings; 5-4 screw buckle; 12 trachea cannulas; 12-1 trachea cannula gas source connector; 12-2 trachea cannula retaining valve; 12-3 balloon of trachea cannula; 13-1 human lung cavity
Embodiment
Below, the pressure indicator of the adjustable balloon pressure as example of the present utility model is described based on accompanying drawing.
Fig. 1 is a kind of structure cut-open view of pressure indicator of adjustable balloon pressure.Fig. 2 is support ring front view.Fig. 3 is joint cut-open view.Fig. 4 is joint front view.Fig. 5 is stationary installation and joint sectional arrangement drawing.Fig. 6 is stationary installation and joint assembling front view.Fig. 7 is stationary installation and joint sectional arrangement drawing.Fig. 8 is stationary installation and joint assembling front view.Fig. 9 is principle schematic.
As shown in Figure 1 and Figure 2, the pressure indicator of adjustable balloon pressure of the present utility model, comprises the housing formed by upper cover 6 and lower cover 11.Be provided with the intermediate member 7 of tubular in the housing, be coated with elastic pressure reaction diaphragm 9 in the lower port of intermediate member 7, elastic pressure reaction diaphragm 9 is connected with transmission indicator stem 10.Form intermediate member inner chamber 8-1 in the inside of intermediate member 7, between housing and intermediate member 7, form housing cavity 11-3.
Housing is connected with the sacculus inflation/deflation unit be made up of sacculus charge and discharge tracheae 3, joint 4, stationary installation 5 and the pressure feedback unit be made up of communicating pipe 1 and pressure feedback pipe 2.
Upper cover 6 is formed the gas outlet 6-1 be communicated with housing cavity 11-3 and the pressure feedback mouth 6-2 stretching to intermediate member inner chamber 8-1.
Joint 4 is communicated with the gas outlet 6-1 of upper cover via sacculus charge and discharge tracheae 3, is provided with stationary installation 5 in the outside of joint 4, and communicating pipe 1 is communicated with the pressure feedback mouth 6-2 of upper cover via pressure feedback pipe 2.
The support ring 8 formed by the material with rigidity is embedded with by interference fit at the internal perisporium of intermediate member 7.
Specifically, to detect balloon of trachea cannula, the pressure indicator of this practical adjustable balloon pressure in use, as shown in Figure 9, joint 4 and trachea cannula retaining valve 12-2 link together, thus make housing cavity 11-3 and balloon of trachea cannula 12-3 connect into a cavity, in use, syringe need be used to pass through air intake opening 11-1 on the one hand inwardly to inflate, gas is by retaining valve 11-2, reach in balloon of trachea cannula through inflated pipe 3, joint 4, thus reach to the object of balloon of trachea cannula 12-3 inflation.On the other hand, communicating pipe 1, two ends connected oxygen supply equipment and trachea cannula gas source connector 12-1 respectively, thus make intermediate member inner chamber 8-1 and human lung's cavity 13-1 and oxygen supply equipment connect into a cavity, work as patient breaths, human lung's cavity 13-1 is expanded instantaneously, and when causing balloon of trachea cannula 12-3 and tracheal wall to there is gap, balloon of trachea cannula 12-3 pressure also reduces thereupon, for equilibrium air pressure, elastic pressure inductive iris 9 can expand downwards, thus the extruded gas of housing cavity 11-3 can supplement to balloon of trachea cannula 12-3 by inflated pipe 3 again, balloon of trachea cannula 12-3 increases instantaneously, thus reach the problem that between adjustment oxygen supply moment balloon of trachea cannula 12-3 and tracheal wall, gap increases.In like manner, as the patient exhales, human lung's cavity 13-1 is caused to shrink instantaneously, thus cause balloon of trachea cannula 12-3 to there is extruding to tracheal wall, pressure in balloon of trachea cannula 12-3 increases instantaneously, for equilibrium air pressure, in balloon of trachea cannula 12-3, excessive gas can enter into housing cavity 11-3 by inflated pipe 3, under pressure action, elastic pressure reaction diaphragm 9 can upwards shrink, thus the pressure balanced inside and outside balloon of trachea cannula 12-3, therefore reach in oxygen supply process effect pressure controlled in balloon of trachea cannula 12-3.In addition, in intermediate member, increase supporting ring structure, add the intensity of intermediate member, in use can prevent the not accurate problem of instruction caused because of intermediate member distortion.
In addition, the hollow tube that can be parallel to each other in the axial direction by 2 communicating pipe 1 is formed by connecting or is formed by connecting at the hollow tube axially forming angle by 2.And pressure feedback pipe 2 can be inserted into communicating pipe 1 along the connecting portion of the axial hollow tube from forming communicating pipe 1 of communicating pipe 1, or pressure feedback pipe 2 is inserted into communicating pipe 1 from the periphery wall of communicating pipe 1.Thus, when forming communicating pipe, easily manufactured cost is low, in addition, uses installation process easy to operate, especially when connecting lung ventilator, is convenient to connect lung ventilator.
In addition, the air intake opening 11-1 be connected with syringe can be provided with in the lower end of lower cover 11, in housing, be provided with one-way valve structures 11-2.By under cover and form air intake opening and one-way valve structures, can with the function of simple structural pressure indicator, manufacture simple, cost is low.
In addition, the shape of support ring 8 can be thin wall cylinder-shaped.By making support ring be formed as cylindrical shape, being convenient to installation and the dismounting of support ring, being easy to overhaul pressure indicator.Certainly, the shape of support ring is not limited thereto, and can be formed as abnormity, as long as can carry out supplemental support to intermediate member.
In addition, stationary installation 5 can by middle siphunculus body 5-1, forming with the folding wings 5-2 locking support lug structure 5-3 of being connected with one end of middle siphunculus body 5-1.According to such structure, joint 4 is exposed one end and join in the cylindrical one-way valve structures of profile, then folding folding wings 5-2, locking support lug structure 5-3 will block retaining valve shell, thus reach the object preventing retaining valve from coming off.In addition, the cylindrical structural that stationary installation 5 can also have a screw buckle 5-4 by inside is formed.In addition, stationary installation 5 Structure composing that can also be coordinated with female Luer by internal diameter.Thereby, it is possible to securely joint is fixed on inflated pipe, difficult drop-off.
In addition, pressure feedback pipe 2 can be flexible pipe, and it can be formed by the material such as silica gel, PVC.Because pressure feedback pipe is flexible pipe, so be easy to bending, various environment can be suitable for and put posture.
In addition, stationary installation 5 is formed by the material with rigidity, and it can by can be that the materials such as PC, PP are formed.Because stationary installation is formed by the material with rigidity, so further increase the stability of the connection of joint and inflated pipe.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (10)
1. the pressure indicator of an adjustable balloon pressure, comprise the housing formed by upper cover (6) and lower cover (11), the intermediate member (7) of tubular is provided with in described housing, elastic pressure reaction diaphragm (9) is coated with in the lower port of described intermediate member (7), described elastic pressure reaction diaphragm (9) is connected with transmission indicator stem (10), intermediate member inner chamber (8-1) is formed in the inside of described intermediate member (7), housing cavity (11-3) is formed between described housing and described intermediate member (7), it is characterized in that:
Be connected with the sacculus inflation/deflation unit be made up of sacculus charge and discharge tracheae (3), joint (4), stationary installation (5) and the pressure feedback unit be made up of communicating pipe (1) and pressure feedback pipe (2) on the housing
Described upper cover (6) is formed the gas outlet (6-1) be communicated with described housing cavity (11-3) and the pressure feedback mouth (6-2) stretching to described intermediate member inner chamber (8-1),
Described joint (4) is communicated with the gas outlet (6-1) of described upper cover via described sacculus charge and discharge tracheae (3), in the outside of described joint (4), described stationary installation (5) is installed, described communicating pipe (1) is communicated with the pressure feedback mouth (6-2) of described upper cover via described pressure feedback pipe (2)
The support ring (8) formed by the material with rigidity is embedded with by interference fit at the internal perisporium of described intermediate member (7).
2. the pressure indicator of adjustable balloon pressure according to claim 1, is characterized in that: be formed by connecting by the hollow tube that 2 are parallel to each other in the axial direction described communicating pipe (1) or be formed by connecting at the hollow tube axially forming angle by 2.
3. the pressure indicator of adjustable balloon pressure according to claim 2, it is characterized in that: described pressure feedback pipe (2) is axially inserted into described communicating pipe (1) from the connecting portion of the hollow tube forming described communicating pipe (1) along described communicating pipe (1), or described pressure feedback pipe (2) is inserted into described communicating pipe (1) from the periphery wall of described communicating pipe (1).
4. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, it is characterized in that: be provided with the air intake opening (11-1) be connected with syringe in the lower end of described lower cover (11), in described housing, be provided with one-way valve structures (11-2).
5. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: the shape of described support ring (8) is thin wall cylinder-shaped.
6. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: described stationary installation (5) is by middle siphunculus body (5-1), forming with the folding wings (5-2) of locking support lug structure (5-3) of being connected with one end of described middle siphunculus body (5-1).
7. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: the cylindrical structural that described stationary installation (5) has screw buckle (5-4) by inside is formed.
8. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: the Structure composing that described stationary installation (5) is coordinated with female Luer by internal diameter.
9. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: described pressure feedback pipe (2) is flexible pipe.
10. the pressure indicator of adjustable balloon pressure according to any one of claims 1 to 3, is characterized in that: described stationary installation (5) is formed by the material with rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133639.7U CN204479237U (en) | 2015-03-10 | 2015-03-10 | The pressure indicator of adjustable balloon pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133639.7U CN204479237U (en) | 2015-03-10 | 2015-03-10 | The pressure indicator of adjustable balloon pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479237U true CN204479237U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520133639.7U Expired - Fee Related CN204479237U (en) | 2015-03-10 | 2015-03-10 | The pressure indicator of adjustable balloon pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204479237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181039A (en) * | 2017-12-29 | 2018-06-19 | 泉州市大西洋电力科技有限公司 | Hydrostatic sensor |
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
-
2015
- 2015-03-10 CN CN201520133639.7U patent/CN204479237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107567A1 (en) * | 2016-12-14 | 2018-06-21 | 天津美迪斯医疗用品有限公司 | Pressure indicator |
| CN108181039A (en) * | 2017-12-29 | 2018-06-19 | 泉州市大西洋电力科技有限公司 | Hydrostatic sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170308 Address after: 300385 Tianjin City Development Zone, Xiqing, Hong Yuan Road, No. 12, industrial park, 10A Patentee after: Meidisi Medical Products Co., Ltd., Tianjin Address before: 300385, Tianjin City, Xiqing District Development Zone, Hong Yuan Road, No. 12 Industrial Park 10A Patentee before: Zou Dewei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20190310 |