CN205163861U

CN205163861U - Device for monitoring pressure

Info

Publication number: CN205163861U
Application number: CN201520910555.XU
Authority: CN
Inventors: 任立文
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-16
Filing date: 2015-11-16
Publication date: 2016-04-20
Anticipated expiration: 2025-11-16

Abstract

The utility model relates to a device for monitoring pressure, including the first cavity that has the monitoring mark, include still that empty bag of second cavity, elasticity and tip have a push -pull member of piston, first cavity one end be an interface and through this interface and the gasbag intercommunication that awaits measuring, push -pull member's piston and second cavity inner chamber match to merge and to move along second cavity inner wall, and the displacement of stretching out and drawing back of first cavity can be followed to the empty bag of elasticity under pressure differential effect inside and outside its bag. The empty bag of elasticity, thus the inside and outside pressure differential of bag drives the empty bag of elasticity indicates the pressure in the gasbag that awaits measuring along index mark is flexible, in addition, the push -pull member of second cavity through taking the piston through the interface take out, the gas injection body to broken among the prior art this type of product can only carry out pressure monitoring and can't independently take out, thereby the gas injection body carries out control adjustment's restriction to pressure in good time, this product simple structure, convenience of customers uses.

Description

Pressure monitoring device

Technical field

This utility model relates to medical instruments field, particularly relates to a kind of pressure monitoring device.

Background technology

In medical field, medical apparatus and instruments often need carry out monitor and forecast to its internal gas pressure in use, as laryngeal mask and tracheal intubation, bronchial catheter, autogenous cutting sleeve pipe, negative pressure drainage device etc. with air bag.Laryngeal mask is that anesthetic gases and oxygen are sent into the device in unconscious patient body by a kind of being used in operation, and its basic structure comprises airway and airway, after airway inserts after bottleneck throat, vent hood is positioned at pharyngeal, and forms sealing around throat.In current detection cover capsule, the method for gas pressure roughly has two kinds: a kind of is arrange a spherical bubble communicated with cover capsule internal gas by gas tube in gas tube and the centre of Non-return air valve, be commonly referred to " instruction bubble ", whether suitable in order to determine cover capsule internal gas pressure, with this, doctor, with pointing pinching instruction foam gently, by virtue of experience judges whether the intrinsic pressure of cover capsule is suitable for; Another kind method uses pressure-measuring instrument, pressure-measuring instrument is connected with Non-return air valve, thus obtain the exact numerical of pressure, but this pressure-measuring instrument is expensive, and Non-return air valve is often shelved on the region near patient's oral area, volume bigger than normal makes it very inconvenient in connection and operation.

Trachea cannula conduit is established to the artificial airway of patient lungs by artificial airway device, inflation inlet is provided with at endotracheal tube far-end, the spherical cuff communicated with the fine duct embedded in endotracheal tube wall is connected, and prevents from revealing around endotracheal tube to sleeve bag gas-filling at tracheal strips.The method of current detection cuff internal pressure roughly has two kinds: one is that pipe is injected patient and after arranging ventilation parameters by doctor, by syringe to sleeve bag gas-filling and by coarse close audible inspection leakage, analog indicator subsequently by arranging with syringe cylinder internal fluid communication measures cuff internal pressure, but change because syringe cylinder internal volume regulates with cover intracapsular pressure, in order to obtain cover intracapsular pressure, need know the instantaneous volume of syringe cylinder and link, therefore pressure reading is inaccurate; Another kind method is air inlet valve position digital pressure gauge being connected to cuff, but piezometer is heavy and expensive, always can with and its can only monitoring pressure can not while according to the instant controlled pressure of clinical needs.

Therefore, existing for the pressure measxurement in medical gas channel-style equipment and indicating device need improve.

Utility model content

Technical problem to be solved in the utility model is the pressure monitoring device providing a kind of structure simple, easy to use for prior art.

This utility model solves the problems of the technologies described above adopted technical scheme: a kind of pressure monitoring device, comprise first cavity with monitoring mark, it is characterized in that, also comprise the second cavity be communicated with the first cavity, be fixed on the pull-push piece that the elasticity empty pocket of the first inside cavity and end have piston, described first cavity one end is an interface and is communicated with air bag to be measured by this interface, described pull-push piece is inserted in the second cavity, and its piston and the second cavity inner chamber match, merging can be moved along the second cavity inner wall, described elasticity empty pocket can along the first cavity telescopic displacement under its capsule external and internal pressure difference effect.

Described first cavity and the second cavity are integrated part and are interconnected by through hole between the two.

Take out gas injection body for convenience and pressure is indicated comparatively accurately, described first cavity and the second cavity are cylindrical shape.

As preferably, described elasticity empty pocket one end open, and be connected with the first cavity inner wall by this opening and be communicated with air.

Elasticity empty pocket and outside atmosphere be communicated with and the first cavity realized by various structures with being communicated with of air bag to be measured, as preferably, the opening of described elasticity empty pocket is fixedly connected with the first cavity inner wall by a connecting seat, described Connection Block is located at the interface end of the first cavity and this interface of shutoff, this Connection Block is provided with the first air flue of connection first intracavity portion and interface, be provided with the second air flue in addition, this second air flue is successively through the first cavity end wall, Connection Block by opening and elasticity empty pocket inner space.

For making elasticity empty pocket be communicated with outside atmosphere better, improve the instruction sensitivity of this device further, described second air flue is at least two and circumference is all established centered by interface.

For improving monitoring accuracy, described elasticity empty pocket is macromolecular elastomer or is built-in with elastomeric macromolecular material body.

Further, the outer peripheral face of described elasticity empty pocket has Warning Mark, facilitates user to read indication information simultaneously.

Compared with prior art, the utility model has the advantage of: the second cavity, first cavity is communicated with air bag to be measured by interface, make elasticity empty pocket inner poor with outside mineralization pressure, and this elasticity empty pocket capsule external and internal pressure difference band dynamic elasticity empty pocket is monitored along monitoring mark telescopic displacement the pressure in air bag to be measured, in addition, second cavity is taken out to air bag to be measured through interface by being with the pull-push piece of piston, gas injection body, thus broken this series products in prior art and can only carry out monitoring and cannot independently taking out, gas injection body thus in good time pressure is controlled, the restriction of adjustment, this product structure is simple, be user-friendly to.

Accompanying drawing explanation

Fig. 1 is the main pseudosection of pressure monitoring device in this utility model embodiment;

Fig. 2 is the sectional view of pressure monitoring device in this utility model embodiment;

Fig. 3 is the enlarged drawing of I part in Fig. 1;

Fig. 4 is the enlarged drawing of II part in Fig. 2.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.

As shown in figures 1-4, a kind of pressure monitoring device, comprises the pull-push piece 3 that the first that have monitoring mark (not shown), transparent cavity 1, second cavity 2, elasticity empty pocket 5 and end have piston 31.In the present embodiment, the first cavity 1 and the second cavity 2 are integrated part, namely one end of the first cavity 1 is connected with one end of the second cavity 2 and forms one, and this junction is provided with through hole 4, thus the first cavity 1 is communicated with the second cavity 2, the first cavity 1 and the second cavity 2 are cylindrical shape and the radius of the second cavity 2 is greater than the radius of the first cavity 1.The other end of the first cavity 1 is provided with an interface 7 and is communicated with air bag (not shown) to be measured by this interface 7, further, first cavity 1 inside is fixedly connected with an elasticity empty pocket 5 by a connecting seat 6 above interface 7, i.e. Connection Block 6 shutoff interface 7 being connected with the opening 51 of elasticity empty pocket 5.

Above-mentioned Connection Block 6 is provided with the first air flue 8 that many are communicated with the first cavity 1 inside and interface 7, the first cavity 1, second cavity 2 and air bag to be measured is made to form testing pressure district by this first air flue 8, interface 7, in the present embodiment, Connection Block 6 is in round table-like, and above-mentioned first air flue 8 is two and is relatively arranged on Connection Block 6.In addition, Connection Block 6 is also provided with the second air flue 9, particularly, this second air flue 9 is also communicated with by opening 51 and elasticity empty pocket 5 inside through the first cavity 1 end, Connection Block 6 successively, thus elasticity empty pocket 5 inside is communicated with air by the second air flue 9, in the present embodiment, the second air flue 9 is three and circumference is all established centered by interface 7, thus forms atmospheric pressure region in elasticity empty pocket 5.Move along monitoring mark under the pressure differential of elasticity empty pocket 5 between testing pressure district and atmospheric pressure region drives, for making instruction accurate, above-mentioned elasticity empty pocket 5 is macromolecular elastomer, obtain indication information for convenience simultaneously, the outer peripheral face of the blind end of this elasticity empty pocket 5 is formed cue mark (not shown), cue mark can have various ways, as graduation mark, colour code etc.

Use procedure when this pressure monitoring device is applied to tracheal intubation is as follows:

Twitch the piston 31 in pull-push piece 3, make to be filled with air in the second cavity 2, interface 7 is connected with air bag, the first cavity 1, second cavity 2 is communicated with inside air bag by the first air flue 8, interface 7, then, push away, draw pull-push piece 3 thus realize air Injection or extract tracheal intubation airbag out.Carrying out in gas injection and pumping process to air bag, elasticity empty pocket 5 can be reacted to capsule external pressure (i.e. the internal pressure of cover capsule), thus there is the compression of elasticity empty pocket 5 and stretching, extension and occur displacement, can indicate the internal pressure situation of air bag in conjunction with the monitoring mark on the first cavity 1 and inject by pushing away, drawing pull-push piece 3 or deflate, realize the adjustment to pressure and control.

The present embodiment only sets forth the use procedure of this pressure monitoring device in tracheal intubation, and the application on other medical products is similar, does not repeat them here.

Claims

1. a pressure monitoring device, comprise first cavity (1) with monitoring mark, it is characterized in that, also comprise the second cavity (2) be communicated with the first cavity (1), be fixed on the pull-push piece (3) that the inner elasticity empty pocket (5) of the first cavity (1) and end have piston (31), described first cavity (1) one end is an interface (7) and is communicated with air bag to be measured by this interface (7), described pull-push piece (3) is inserted in the second cavity (2), and its piston (31) and the second cavity (2) inner chamber match, merging can be moved along the second cavity (2) inwall, described elasticity empty pocket (5) can along the first cavity (1) telescopic displacement under its capsule external and internal pressure difference effect.

2. pressure monitoring device as claimed in claim 1, is characterized in that, described first cavity (1) and the second cavity (2) are integrated part and are communicated with by through hole (4) between the two.

3. pressure monitoring device as claimed in claim 2, is characterized in that, described first cavity (1) and the second cavity (2) are cylindrical shape.

4. pressure monitoring device as claimed in claim 1, is characterized in that, described elasticity empty pocket (5) one end open (51), and is connected by this opening (51) with the first cavity (1) inwall and is communicated with air.

5. pressure monitoring device as claimed in claim 4, it is characterized in that, the opening of described elasticity empty pocket (5) is fixedly connected with the first cavity (1) inwall by a connecting seat (6), this Connection Block (6) is located at the interface end of the first cavity (1) and this interface of shutoff (7), this Connection Block (6) is provided with first air flue (8) of connection first cavity (1) inside and interface (7), in addition, also be provided with the second air flue (9), this second air flue (9) is successively through the first cavity (1) end wall, Connection Block (6) is also communicated with elasticity empty pocket (5) inside by opening (51).

6. pressure monitoring device as claimed in claim 5, it is characterized in that, described second air flue (9) is at least two and circumference is all established centered by interface (7).

7. the pressure monitoring device as described in claim arbitrary in claim 1 ~ 6, is characterized in that, described elasticity empty pocket (5) is for macromolecular elastomer or be built-in with elastomeric macromolecular material body.

8. pressure monitoring device as claimed in claim 7, is characterized in that the outer peripheral face of described elasticity empty pocket (5) has Warning Mark.