CN104606752A

CN104606752A - Simple respirator capable of confirming and controlling tidal volume

Info

Publication number: CN104606752A
Application number: CN201510034222.XA
Authority: CN
Inventors: 王秀玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-01-18
Filing date: 2015-01-18
Publication date: 2015-05-13

Abstract

The invention belongs to medical instruments and discloses a simple respirator capable of confirming and controlling the tidal volume. The simple respirator comprises a working barrel assembly, a balloon, a tube assembly and a mask. The working barrel assembly is composed of a piston barrel and a piston, wherein the piston barrel and the piston are matched; the piston barrel is made of transparent materials, the outer wall of the piston barrel is provided with scales, and the back side of the piston is connected with a tension spring. An inner cavity of the balloon is communicated with the piston barrel, and the balloon drives the piston to move through air pressure generated through compression or relaxation. The tube assembly comprises a neck tube, the back end of the neck tube is communicated with the piston barrel, a safety valve and an air inlet tube are arranged on the side wall of the neck tube, an exhaust one-way valve is arranged at the front end of the neck tube, and an air intake one-way valve is arranged on the air inlet tube. The mask is fixedly connected with the air outlet end of the exhaust one-way valve in the tube assembly through an exhalation valve. The simple respirator is compact in structure, small and flexible; the difference between the simple respirator and an existing simple respirator is small in operation method; the simple respirator is convenient to use, the tidal volume can be confirmed and controlled flexibly through the scale corresponding to the piston; the tidal volume can be adjusted at any time according to the needs in the process of salvage, and artificial respiration operation does not need to be stopped.

Description

Clearly and the simply respirator of tidal volume can be controlled

Technical field

The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of simply respirator conventional in clinical rescue.

Background technology

The simply respirator of Clinical practice also claims ball or breathing bag, and be the simplest respirator, do not possessing in respirator or the multiple situation such as power failure or respirator fault, simply respirator is the only resource carrying out artificial ventilation to patient.Existing conventional simply respirator is generally made up of parts such as sacculus, breather check valve, outgassing nonreturn valve and face shields, utilizes the compression of sacculus and diastole to realize artificial respiration's object.The simply respirator of this structure in use cannot extrude the ventilation of generation clearly at every turn, i.e. tidal volume, usually operate by rule of thumb, in addition different medical personnel are by operating habit, the factor impacts such as hand-type difference in size, when existing suggestion respiratory organ is operated, each tidal volume has more uncertainty, and for body weight, the patient that the factor such as sex and age is different, required tidal volume is different, and utilize existing this simply respirator short-term operation still can, but prolonged application then can not have the rescue effect of expection because ventilation is too much or very few, even jeopardize patient vitals.

Publication number is that the patent of invention of 25284644Y discloses a kind of volum-controlled type simple respirator, breathing bag two ends are fixedly connected with moving handle with fixed handle by respectively, moving handle can along fixed bar move come near or away from fixed handle, and then compression and the diastole of breathing bag can be realized, fixed bar is provided with scale and card wheel, card wheel can limit the stroke of moving handle, and then plays the object of standardize solution.Although it achieves the object of standardize solution, regulate and comparatively bother, as found in rescue process, tidal volume need adjust, and has to interrupt artificial ventilation, then adjusts device, delayed rescue opportunity.Simultaneously herewith, itself and existing simply respirator mode of operation have certain difference, medical personnel are difficult to adapt to fast and affect result of use.

Summary of the invention

The object of the present invention is to provide a kind of structure simple, easy to implement, mode of operation was with product differentiation was little in the past, and tidal volume can be clear and definite, and can arbitrarily control as required, can implement the simply respirator of best artificial respiration rescue according to patient profiles.

For realizing above-mentioned technical purpose, the present invention by the following technical solutions:

Clearly and can control the simply respirator of tidal volume, it comprises:

Seating nipple assembly, it is made up of the piston cylinder coordinated and piston, and the front end of piston cylinder is provided with neck tube Connection Block, tail end is provided with sacculus Connection Block, piston cylinder adopts transparent material, and its outer wall is provided with scale, is connected with and provides reset pulling force to it and the extension spring that makes its movement backward on rear side of piston;

Sacculus, it is made up of elastic rubber material, and it is fixed by sacculus Connection Block and its inner chamber is connected with piston cylinder, and the air pressure driven plunger produced by compression or diastole is moved;

Pipeline assembly, it comprises a neck tube, and neck tube rear end is connected with piston cylinder through neck tube Connection Block, and the sidewall of neck tube is installed on relief valve and air inlet pipe, and front end is provided with exhaust check valve, and air inlet pipe is provided with breather check valve;

Face shield, it is fixedly connected with the outlet side of exhaust check valve in pipeline assembly through an outlet valve.

In Clinical practice, hand-held sacculus and compression balloon time, its internal gas enters in piston cylinder, on rear side of piston, air pressure increases and the pulling force overcoming extension spring moves forward, during piston reach, the air in its front is delivered to face shield through exhaust check valve, namely gas is forced in patients with respiratory tract, because piston cylinder is transparent material and outer wall is provided with scale, the numerical value of this capacity can be specified according to the scale of piston correspondence position, and then the compression degree of sacculus is then controlled according to the position of piston, each capacity can be controlled flexibly, so that farthest corresponding with budget tidal volume, when unclamping sacculus, under the effect of the reset force that piston provides for it in extension spring, move backward and make sacculus return to diastole state, and the air or oxygen in the process of moving after piston in air inlet pipe enters in piston cylinder through breather check valve, namely complete aspiratory action, the gas that patient breathes out drains into the external world through outlet valve, and reciprocating operation achieves the object of artificial respiration afterwards thus.

Compact conformation of the present invention, flexibly small and exquisite, little with existing simply respirator mode of operation difference, easy to use, each tidal volume is come clearly by the scale that piston is corresponding and is controlled flexibly, all the suitableeest tidal volume can reach best rescue effect, can need adjustment at any time as required in rescue process to the size of tidal volume for different patients, and without the need to suspending artificial respiration's operation, ensure that the smooth enforcement of rescue work.

Accompanying drawing explanation

Fig. 1 clearly and can control the structural representation of simply respirator of tidal volume.

Fig. 2 clearly and can control the simply respirator aerofluxus pre-structure schematic diagram of tidal volume.

Fig. 3 be can clearly and control tidal volume simply respirator aerofluxus after structural representation.

In figure, 1, face shield, 2, outlet valve, 3, exhaust check valve, 4, neck tube, 5, relief valve, 6, neck tube Connection Block, 7, piston cylinder, 8, piston, 9, lock sleeve, 10, sacculus, 11, breather check valve, 12, air inlet pipe, 13, nipple, 14, sacculus Connection Block, 15, extension spring, 16, extension spring cover.

Detailed description of the invention

Shown in accompanying drawing 1,2,3, the invention discloses and a kind ofly clearly and the simply respirator of tidal volume can be controlled, its by seating nipple assembly, sacculus, pipeline assembly and face shield four part form.

Wherein, described seating nipple assembly is made up of the piston cylinder 7 coordinated and piston 8, the front end of piston cylinder 7 is provided with neck tube Connection Block 6, tail end is provided with sacculus Connection Block 14, piston cylinder 7 adopts transparent material, its outer wall is provided with scale, is connected with and provides reset pulling force to it and the extension spring 15 making its movement backward on rear side of piston 8; By the movement of piston 8 in piston cylinder 7, realize air-breathing and exhaust event.

Described sacculus 10 is made up of elastic rubber material, elliptic design can be adopted for ease of hand-held and extruding, it is fixed by sacculus Connection Block 14 and its inner chamber is connected with piston cylinder 7, its air pressure driven plunger 8 produced by compression or diastole is moved forward and backward, be connected firmly in order to ensure itself and piston cylinder 7, it is nested with on sacculus Connection Block 14, then reinforces through lock sleeve 9.

Described pipeline assembly comprises a neck tube 4, this neck tube 4 rear end is provided with nipple 13, nipple 13 is connected with through neck tube Connection Block 6 thread seal, neck tube 4 is connected with piston cylinder 7, the sidewall of neck tube 4 is installed on relief valve 5 and air inlet pipe 12, the front end of neck tube 4 is provided with exhaust check valve 3, and air inlet pipe 12 is provided with breather check valve 11.

Described face shield 1 is fixedly connected with the outlet side of exhaust check valve in pipeline assembly 3 through an outlet valve 2.

Above-mentioned can clearly and the operation principle of the simply respirator controlling tidal volume be:

In Clinical practice, hand-held sacculus and compression balloon 10 time, its internal gas enters in piston cylinder 7, on rear side of piston 8, air pressure increases and the pulling force overcoming extension spring 15 moves forward, when piston 8 moves forward, the air in its front is delivered to face shield 1 through exhaust check valve 3, namely gas is forced in patients with respiratory tract, because piston cylinder 7 is for transparent material and outer wall is provided with scale, the numerical value of this capacity can be specified according to the scale of piston 8 correspondence position, and then the compression degree of sacculus 10 is then controlled according to the position of cold 8 alive, each capacity can be controlled flexibly, so that farthest corresponding with budget tidal volume, when unclamping sacculus 8, under the effect of the reset force that piston 8 provides for it in extension spring 15, move backward and make sacculus 10 return to diastole state, and the air or oxygen in the process of moving after piston 8 in air inlet pipe 12 enters in piston letter 7 through breather check valve 11, namely complete aspiratory action, the gas that patient breathes out drains into the external world through outlet valve 2, and reciprocating operation achieves the object of artificial respiration afterwards thus.

Meanwhile, above-mentioned extension spring 15 is only for providing a power of ordering about its movement backward for piston 8, therefore in conjunction with this technical purpose, install a spring in the front side of piston 8 and also can reach same technique effect, described extension spring 15 also can utilize the elastic such as rubber band, elastic threads to replace.

The rear side in piston 8 is installed in above-mentioned extension spring 15, and when piston 8 is positioned at stroke rearmost end, extension spring 15 is in contraction state, but still takies certain space.More compact small and exquisite in order to make originally the structure of simply respirator of tidal volume clearly and can be controlled, adopt following design: described piston cylinder 7 rear end is provided with one for receiving the extension spring cover 16 of extension spring 15, it is inner that extension spring cover 16 extands rearward to sacculus 10, and rear end and the extension spring of extension spring 15 are overlapped bottom 16 rear ends and be fixedly connected with; Extension spring 15 can be accommodated in after shrinking in extension spring cover 16, and extension spring cover 16 is in sacculus 10, therefore can guarantee that piston 8 is movable to the rear end of piston cylinder 7 inner chamber backward.

In above-mentioned improvement, due in Clinical practice, sacculus 10 can not be in complete compressive state, therefore extension spring cover 16 is positioned at its inside can't affect it and normally work.

The outer wall of piston cylinder 7 described above is provided with scale, the numerical value on this scale, and the numerical value producing capacity when moving to this scale with piston 8 is corresponding.

Claims

1. clearly and can control the simply respirator of tidal volume, it is characterized in that, it comprises:

2. according to claim 1ly a kind ofly clearly and the simply respirator of tidal volume can be controlled, it is characterized in that: described piston cylinder rear end is provided with one for receiving the extension spring cover of extension spring, extension spring cover extands rearward to balloon interior, and rear end and the extension spring of extension spring are overlapped bottom rear end and be fixedly connected with.