CN110141746A - Breathe internal medicine with helping inhaling ware - Google Patents

Abstract

A suction aid for respiratory medicine. The invention relates to the technical field of medical devices. The middle part of the inner side of the cover body is provided with a reel which rotates vertically through a bearing. The reel between the walls is wound with an air conduction hose, the inner end of the air conduction hose is fixedly communicated with the middle part inside the reel, and the outer end of the air conduction hose passes through the top surface of the cover body, and is extended on the The upper side of the cover body and the extended end are fixedly connected with an air nozzle; the upper part inside the box body is fixedly equipped with an air supply mechanism, and the inside of the box body on the lower side of the air supply mechanism is fixedly equipped with a compressed gas cylinder, and the output of the compressed gas cylinder There is a right-angle air valve on the end through threaded rotation, and the output end of the right-angle air valve is fixedly connected with an air outlet pipe, and the other end of the air outlet pipe is connected to the output end of the air supply mechanism, which can provide a variety of ways to supply inhalation-assisted gas. The overall storage of the device is convenient, applicable to various rescue situations, and convenient for medical staff to carry and operate.

Description

Inhalation aid for respiratory medicine

technical field

The invention relates to the technical field of medical devices, in particular to a breathing aid for respiratory medicine.

Background technique

Respiratory medicine is a relatively common department in medicine now. Common diseases in respiratory medicine mainly break out in the lungs, bronchi and throat. When patients have certain problems in respiratory medicine, they often cannot breathe spontaneously and need help. Breathing aids are used to carry out breathing and treatment, but the breathing aids in the prior art are generally hand-held air-blowing aids and ventilators. Although the hand-held air-blowing aids are simple to operate, they must It is not very convenient to use, and its fixing method is not reliable, and it is easy to slip due to the movement of the patient. This kind of breathing aid can only blow out air, which is not very useful for patients with serious injuries; the volume of the ventilator is relatively large , is not easy to move, and cannot adapt to the rescue situation of efficient movement, and needs to be improved urgently.

Contents of the invention

The object of the present invention is to aim at the defects and deficiencies of the prior art, to provide a breathing aid for respiratory medicine with simple structure, reasonable design and convenient use, which can provide multiple ways of supplying breathing aid gas, and the whole device is convenient to store, and at the same time , can be applied to various rescue situations, is convenient for medical staff to carry and operate, and has stronger practicability.

In order to achieve the above object, the technical solution adopted by the present invention is: it comprises a cover body, a box body, and a hasp; The right side wall is fixedly connected; it also includes a reel, an air guide hose, a connecting hose, and an air supply mechanism; the middle part of the inner side of the cover is vertically rotated with a reel through a bearing, and the reel is a hollow structure with an upper opening. The upper fixing sleeve is provided with a limit plate, and the reel between the limit plate and the inner wall of the cover is wound with an air guide hose. After the outer end of the tube passes through the top surface of the cover body, it is extended on the upper side of the cover body, and an air nozzle is fixedly connected to the extended end, and the air nozzle is arranged to fit the nasal cavity structure of the human body; the upper part of the inner side of the box body A gas supply mechanism is fixedly installed, and a compressed gas cylinder is fixedly installed inside the box body on the lower side of the gas supply mechanism. A right-angle gas valve is installed on the output end of the compressed gas cylinder through thread rotation, and an outlet is fixedly connected to the output end of the right-angle gas valve. Air pipe, the other end of the air outlet pipe is connected with the output end of the air supply mechanism;

The air supply mechanism includes a telescopic air bag, a fixed seat, a sealing plate, an adjusting plate, a waist-shaped groove, an adjusting rod, an eccentric shaft, a rotating shaft, a handle, a slide rail, a slider, and an air intake pipe; the left side wall inside the box body A fixed seat is fixedly arranged on the upper side, and the fixed seat is a hollow structure with an opening on the right side, and a telescopic air bag is fixedly arranged on the opening end on the right side of the fixed seat, and the middle part of the fixed seat is connected with the middle part of the telescopic air bag; The output end on the lower side of the fixed seat is fixedly connected; the upper part of the fixed seat is fixedly provided with an air intake pipe, and the upper end of the air intake pipe passes through the top surface of the box body and is connected with the outside of the box body; the output end on the front side of the fixed seat passes through The connecting hose is connected to the middle of the reel, and the connecting part of the connecting hose and the reel is connected through bearing rotation; the inside of the connecting hose and the air intake pipe are fixed with a one-way valve; the right side of the telescopic airbag is fixed with a Sealing plate, the right side wall of the sealing plate is fixedly equipped with an adjusting plate, and the middle part of the adjusting plate is fixed with a waist-shaped groove; the upper and lower ends of the adjusting plate are symmetrically fixed with sliders, and the inside of the box body on the upper and lower sides of the telescopic airbag There are slide rails symmetrically fixed on the wall, and the sliders are slidingly arranged on the corresponding slide rails; the inner wall of the box body on the right side of the adjustment plate is inserted with a rotating shaft through bearing rotation, and the front end of the rotating shaft is fixed with an eccentric shaft. After the rear end passes through the side wall of the box body, it is fixedly connected with the crank; the front side wall of the left end of the eccentric shaft is vertically fixed with an adjustment rod, and the adjustment rod is slidably inserted in the waist-shaped groove.

Further, a handle is fixedly arranged on the top surface of the box body; after the cover body and the box body are connected and fixed by buckles, the whole device can be transferred through the handle, which is convenient for medical staff to take and transfer.

Further, straps are symmetrically fixed on the left and right sides of the air nozzle, and the two straps are fixedly connected by Velcro; when the patient is inhaling oxygen, the air nozzle is fixed on the nasal cavity of the patient through the straps, Prevent the air nozzle from falling when the patient turns his head.

Further, the rear side wall of the cover is fixedly provided with a buckle, which is an elastic steel buckle. When the medical staff rescues the patient lying on the emergency stretcher, the whole device is hung on the stretcher. On the railing, it is convenient for medical staff to operate.

Further, the outer side of the compressed gas cylinder is fixedly provided with a card seat, and the rear side wall of the card seat is fixedly arranged on the inner wall of the box body; the card seat is an elastic rubber card seat, and the gas in the compressed gas bottle is used When you're done, remove the compressed gas cylinder from the middle of the deck to replace it.

Further, the upper left corner of the inner side wall of the cover is provided with two guide wheels through the rotation of the wheel shaft, and the air guide hose is sandwiched between the two guide wheels; the guide wheels fix the transmission direction of the air guide hose to prevent The gas hose is twisted and bent inside the cover.

The working principle of the present invention: when the device is not in use, the cover is placed on the upper part of the box body, and the two are connected and fixed by the buckle; when the device needs to be used to help the patient breathe, the buckle is opened, Unfold the cover and box, and open the right-angle air valve when directly supplying oxygen, the compressed oxygen in the compressed gas cylinder enters the interior of the fixed seat through the outlet pipe, and then passes through the connecting hose, the middle of the reel and the air guide hose in sequence Finally, spray out from the air nozzle, put the air nozzle in the patient's nasal cavity, and the oxygen output from the air nozzle will help the patient to breathe; when directly using external air to assist the patient inhalation, close the right-angle air valve, shake the handle, The eccentric shaft drives the adjustment rod to move up and down inside the waist-shaped groove, so that the adjustment plate pushes the sealing plate to move left and right, and the air intake is realized from the intake pipe through the telescopic movement of the telescopic air bag, and the air sucked in passes through the connecting hose and the middle of the reel After the air guide hose and the air guide hose, it is sprayed from the air nozzle for the patient to breathe; the air guide hose is released from the reel by dragging the outer end of the air guide hose, and the length of the outer air guide hose is increased to adapt to different The need for assisted respiration.

After adopting above-mentioned structure, beneficial effect of the present invention is:

1. Provide external air to the patient through the air supply mechanism to help the patient breathe, or supply the patient with oxygen in the compressed gas cylinder, and can provide a variety of ways to supply breathing aid gas;

2. The whole device is arranged inside the cover and the box body, and can be sealed by a buckle. The whole device is convenient to store, and can be applied to various rescue situations, and is convenient for medical staff to carry and operate, and has stronger practicability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of the present invention.

FIG. 2 is a rear view of FIG. 1 .

Fig. 3 is a bottom view of Fig. 1 .

Fig. 4 is a schematic diagram of the connection structure of the adjusting plate, the waist groove, the adjusting rod and the eccentric shaft of the present invention.

Fig. 5 is a schematic diagram of the connection structure between the compressed gas bottle and the card holder of the present invention.

Fig. 6 is a schematic view of the fixing seat and structure of the present invention.

Fig. 7 is a schematic diagram of the connection structure of the cover body and the buckle of the present invention.

Explanation of reference signs:

Cover body 1, box body 2, buckle 3, reel 4, limit plate 5, air guiding hose 6, connecting hose 7, air supply mechanism 8, telescopic airbag 8-1, fixing seat 8-2, sealing plate 8-3, adjusting plate 8-4, waist groove 8-5, adjusting rod 8-6, eccentric shaft 8-7, rotating shaft 8-8, crank handle 8-9, slide rail 8-10, slider 8- 11. Intake pipe 8-12, one-way valve 8-13, air nozzle 9, compressed gas cylinder 10, right-angle air valve 11, air outlet pipe 12, handle 13, strap 14, buckle 15, card seat 16, guide wheel 17.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Referring to Fig. 1-shown in Fig. 7, the technical scheme adopted in this specific embodiment is: it comprises cover body 1 (side length is 500mm, and thickness is 150mm, and what adopt is injection molding integral molding), box body 2 (side length is 480mm, thickness is 250mm, what adopted is injection molding integral molding), hasp 3 (adopted is the hasp on the safe box in the prior art); The left side wall of the cover body 1 is fixedly connected with the right side wall of the box body 2 through a buckle 3; it also includes a reel 4, an air guide hose 6, a connecting hose 7, and an air supply mechanism 8; the middle part of the inside of the cover body 1 The reel 4 is arranged to rotate vertically through the bearing, and the reel 4 can rotate inside the cover body 1. The reel 4 is a hollow structure with an upper opening. It can rotate together with the reel 4, and the reel 4 between the limit plate 5 and the inner wall of the cover body 1 is wound with an air conduction hose 6, and the outer end of the air conduction hose 6 can be pulled to remove the surrounding air guide. The hose 6 is released, and the inner end of the air guide hose 6 is fixedly connected to the middle part inside the reel 4, and the reel 4 plays the role of rotating air guide, and the outer end of the air guide hose 6 passes through the top of the cover body 1 Behind the face, it is stretched on the upper side of the cover body 1, and an air nozzle 9 is fixedly connected to the end of the extension. The air nozzle 9 is fitted with the nasal cavity structure of the human body. Blow to the inside of the nasal cavity of the patient; the upper part of the inner side of the box body 2 is fixedly provided with an air supply mechanism 8, and the inside of the box body 2 on the lower side of the air supply mechanism 8 is fixedly provided with a compressed gas cylinder 10, and the inside of the compressed gas cylinder 10 is liquid oxygen. The output end of the compressed gas cylinder 10 is provided with a right-angle gas valve 11 by screw rotation, and the control valve that the right-angle gas valve 11 has, the output end of the right-angle gas valve 11 is fixedly connected with an air outlet pipe 12, and the other end of the air outlet pipe 12 is connected to the The output end connection of air supply mechanism 8;

The air supply mechanism 8 includes a telescopic air bag 8-1, a fixed seat 8-2, a sealing plate 8-3, an adjusting plate 8-4, a waist-shaped groove 8-5, an adjusting rod 8-6, and an eccentric shaft 8-7 , rotating shaft 8-8, rocking handle 8-9, slide rail 8-10, slide block 8-11, intake pipe 8-12; On the left side wall of box body 2 inside, be provided with fixed seat 8-2 by bolt, The fixed seat 8-2 is a hollow structure with an opening on the right side, and the fixed seat 8-2 plays the role of gas transfer. The open end on the right side of the fixed seat 8-2 is fixedly provided with a telescopic air bag 8-1, and the telescopic air bag 8-1 The structure and principle of the air bag in the prior art are the same, and the middle part of the fixed seat 8-2 communicates with the middle part of the telescopic air bag 8-1; Fixedly connected; the top of the fixed seat 8-2 is fixedly provided with an air intake pipe 8-12 through a joint, and after the upper end of the air intake pipe 8-12 passes through the top surface of the box body 2, it is connected with the outside of the box body 2 and arranged; the fixed seat 8-2 The output end on the front side is set in communication with the middle of the reel 4 through the connecting hose 7, and the connecting part of the connecting hose 7 and the reel 4 is connected through the rotation of the bearing, and the bearing adopts a bearing with a sealing cover; The inside of the connecting hose 7 and the intake pipe 8-12 is fixedly provided with a one-way valve 8-13 to ensure the one-way flow of gas; The right side wall of the plate 8-3 is fixed with an adjusting plate 8-4 by bolts, and the middle part of the adjusting plate 8-4 is fixed with a waist-shaped groove 8-5; the upper and lower ends of the adjusting plate 8-4 are symmetrically fixed with Slider 8-11, slide rails 8-10 are symmetrically fixed on the inner side walls of the box body 2 on the upper and lower sides of the telescopic airbag 8-1, and slide rails 8-11 are slidably arranged on the corresponding slide rails 8-10 The inner wall of the box body 2 on the right side of the adjusting plate 8-4 is rotated and inserted with a rotating shaft 8-8 through a bearing, and the front end fixed sleeve of the rotating shaft 8-8 is provided with an eccentric shaft 8-7, and the rear end of the rotating shaft 8-8 passes through Behind the side wall of the box body 2, it is fixedly connected with the crank handle 8-9; the front side wall of the left end of the eccentric shaft 8-7 is vertically fixed with an adjustment rod 8-6, and the adjustment rod 8-6 is slidably inserted into the waist-shaped groove Inside 8-5, shaking the handle 8-9 in the same direction can realize the up-and-down reciprocating movement of the adjustment rod 8-6 inside the waist-shaped groove 8-5, so that the adjustment plate 8-4 can move left and right to realize the expansion and contraction of the airbag 8-1. Inflate and deflate.

Further, the top surface of the box body 2 is fixed with a handle 13 by bolts; after the cover body 1 and the box body 2 are connected and fixed by the buckle 3, the whole device is transferred by the handle 13, which is convenient for medical staff to take and transfer.

Further, the left and right sides of the air nozzle 9 are symmetrically fixed with straps 14, and the two straps 14 are fixedly connected by Velcro, and the Velcro is sewn on the sides of the straps 14; At the same time, the air nozzle 9 is fixed on the patient's nasal cavity by the strap 14 to prevent the patient from turning the head, and the air nozzle 9 falls.

Further, the rear side wall of the cover 1 is fixed with a buckle 15 by bolts, and the buckle 15 is an elastic steel buckle. When the medical staff rescues the patient lying on the emergency stretcher, the device The whole stretcher is hung on the railing of the stretcher, which is convenient for medical staff to operate.

Further, the outer side of the compressed gas cylinder 10 is fixedly provided with a deck 16, and the rear side wall of the deck 16 is fixed on the inner side wall of the box body 2 by bolts; the deck 16 is an elastic rubber deck. After the gas in the compressed gas cylinder 10 is used, the compressed gas cylinder 10 is removed from the middle part of the deck 16 for replacement.

Further, the upper left corner of the inner wall of the cover body 1 is provided with two guide wheels 17 through the rotation of the wheel shaft. The guide wheels 17 are rubber guide wheels, and the air guide hose 6 is sandwiched between the two guide wheels 17 ; The guide wheel 17 fixes the transmission direction of the air hose 6 to prevent the air hose 6 from winding and bending inside the cover 1 .

The working principle of this specific embodiment: when the device is not in use, the cover body 1 is placed on the upper part of the box body 2, and the two are connected and fixed by the buckle 3; when the device is needed to help the patient breathe , open the buckle 3, unfold the cover body 1 and the box body 2, and when directly supplying oxygen, open the right-angle air valve 11, and the compressed oxygen in the compressed gas cylinder 10 enters the inside of the fixed seat 8-2 through the outlet pipe 12, Then after passing through the connecting hose 7, the middle part of the reel 4 and the air guide hose 6 successively, it is ejected from the air nozzle 9, and the air nozzle 9 is plugged in the patient's nasal cavity, and the oxygen output by the air nozzle 9 helps the patient to breathe; When external air is used to assist the patient to inhale, close the right-angle air valve 11, shake the handle 8-9, and the eccentric shaft 8-7 drives the adjustment rod 8-6 to move up and down inside the waist-shaped groove 8-5, thereby making the adjustment The plate 8-4 pushes the sealing plate 8-3 to move left and right, through the telescopic movement of the telescopic air bag 8-1, the intake air from the intake pipe 8-12 is realized, and the air sucked in passes through the connecting hose 7, the middle part of the reel 4 and the air guide After the flexible pipe 6, it is ejected from the air nozzle 9 for the patient to breathe; by dragging the outer end of the air-guiding hose 6, the air-guiding hose 6 is released from the reel 4, increasing the length of the outer air-guiding hose 6, To meet the needs of different suction conditions.

After adopting the above-mentioned structure, the beneficial effects of this embodiment are:

1. Provide external air to the patient through the air supply mechanism 8 to help the patient breathe, or supply the patient with oxygen in the compressed gas cylinder 10, and can provide a variety of ways to supply breathing aid gas;

2. The whole device is arranged inside the cover body 1 and the box body 2, and can be sealed by the buckle 3. The whole device is convenient to store, can be applied to various rescue situations, is convenient for medical staff to carry and operate, and has stronger practicability.

The above is only used to illustrate the technical solution of the present invention and not to limit it. Other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be considered as long as they do not depart from the spirit and scope of the technical solution of the present invention. fall within the scope of the claims of the present invention.

Claims (7)

1. a kind of Respiratory Medicine suction assisting device, it includes lid (1), box body (2), hasp (3)；Box body passes through conjunction on the left of (2) Page rotary setting lid (1), the left side wall of lid (1) are fixedly connected by hasp (3) with the right side wall of box body (2)；Its feature Be: it also includes spool (4), soft air-guide pipe (6), connection hose (7), gas supply mechanism (8)；Middle part on the inside of lid (1) is logical It crosses bearing vertical rotary to be provided with spool (4), spool (4) is the hollow structure of upper opening, on the lateral wall of spool (4) front end Fixing sleeve is equipped with limit plate (5), is arranged with soft air-guide pipe on the spool (4) between limit plate (5) and the inner sidewall of lid (1) (6), mutually fixation is connected to setting with the middle part on the inside of spool (4) for the inner end of soft air-guide pipe (6), and the outer end of soft air-guide pipe (6) passes through Behind the top surface of lid (1), stretch the upside for being located at lid (1), and stretch set end on be fixedly connected with air nozzle (9), air nozzle (9) with The nasal cavity construction of human body is fitted；Top on the inside of box body (2) is fixedly installed gas supply mechanism (8), under gas supply mechanism (8) It is fixedly installed compressed gas cylinder (10) inside the box body (2) of side, is arranged on the output end of compressed gas cylinder (10) by screw thread rotation Have right angle air valve (11), is fixedly connected on the output end of right angle air valve (11) escape pipe (12), the other end of escape pipe (12) It is connect with the output end of gas supply mechanism (8)；

The gas supply mechanism (8) includes extension airbag (8-1), fixing seat (8-2), sealing plate (8-3), adjustable plate (8-4), kidney-shaped Slot (8-5), adjusting rod (8-6), eccentric shaft (8-7), shaft (8-8), crank (8-9), sliding rail (8-10), sliding block (8-11), into Tracheae (8-12)；It is fixedly installed fixing seat (8-2) on the internal left side wall of box body (2), fixing seat (8-2) is right openings Hollow structure is fixedly installed extension airbag (8-1) on the open end on the right side of fixing seat (8-2), and the middle part of fixing seat (8-2) With the setting that is connected in the middle part of extension airbag (8-1)；The left end of escape pipe (12) is fixed with the output end on the downside of fixing seat (8-2) Connection；The top of fixing seat (8-2) is fixedly installed air inlet pipe (8-12), and the upper end of air inlet pipe (8-12) passes through box body (2) Behind top surface, with the setting that is connected on the outside of box body (2)；Output end on front side of fixing seat (8-2) passes through connection hose (7) and spool (4) middle part is connected to setting, and connection hose (7) is connect with the connecting portion of spool (4) by bearing rotary；The connection is soft The inside of pipe (7) and air inlet pipe (8-12) is fixedly installed check valve (8-13)；The right side of extension airbag (8-1) is fixedly installed Have sealing plate (8-3), be fixedly installed on the right side wall of sealing plate (8-3) adjustable plate (8-4), the middle part fixation of adjustable plate (8-4) is opened Equipped with kidney slot (8-5)；The upper and lower ends of adjustable plate (8-4) are symmetrically fixedly installed sliding block (8-11), on extension airbag (8-1) It is symmetrically fixedly installed sliding rail (8-10) on the inner sidewall of the box body (2) of lower two sides, sliding block (8-11) is slidably arranged in position phase On corresponding sliding rail (8-10)；The inner sidewall of box body (2) is inserted with shaft (8-8) by bearing rotary on the right side of adjustable plate (8-4), The front end fixing sleeve of shaft (8-8) is equipped with eccentric shaft (8-7), after the rear end of shaft (8-8) passes through the side wall of box body (2), and shakes (8-9) is fixedly connected；Adjusting rod (8-6), adjusting rod (8- are vertically fixedly installed on the front side wall of the left end eccentric shaft (8-7) 6) sliding is plugged in the inside of kidney slot (8-5).

2. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: the top surface of the box body (2) On be fixedly installed handle (13)；After lid (1) and box body (2) are connected and fixed by hasp (3), it will be filled by handle (13) It sets entirety to be shifted, medical staff is facilitated to take and shift.

3. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: a left side for the air nozzle (9) Right two sides are symmetrically fixedly installed bandage (14), and two bandages (14) are fixedly connected by velcro；Patient is carrying out oxygen uptake When, air nozzle (9) is fixed on to the nasal cavity position of patient by bandage (14), when preventing the rotation head of patient, air nozzle (9) The situation fallen occurs.

4. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: the rear side of the lid (1) It is fixedly installed on wall buckle (15), buckles (15) for elastic steel sheet buckle, in medical staff to the trouble lain on first aid stretcher When person rescues, device is integrally hung on the railing of stretcher, is operated convenient for medical staff.

5. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: the compressed gas cylinder (10) Outside fixing card is equipped with deck (16), and the rear wall of deck (16) is fixed on the inner sidewall of box body (2)；Deck (16) is Elastic rubber deck, after the gas use in compressed gas cylinder (10) terminates, by compressed gas cylinder (10) from deck (16) Portion, which is removed, to be replaced.

6. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: described lid (1) inner sidewall The upper left corner by wheel shaft rotary setting there are two guide wheel (17), soft air-guide pipe (6) is folded between two guide wheels (17)；Guide wheel (17) transmission direction for securing soft air-guide pipe (6), prevent soft air-guide pipe (6) lid (1) inside occur winding, bending Phenomenon.

7. a kind of Respiratory Medicine suction assisting device according to claim 1, it is characterised in that: its working principle: usually Lid (1) when not in use, is located at the top of box body (2), and be connected and fixed the two by hasp (3) by device；It is encountering It when needing use device that patient is helped to breathe, opens hasp (3), lid (1) and box body (2) is unfolded, when directly supplying oxygen, Right angle air valve (11) are opened, the compressed oxygen in compressed gas cylinder (10) enters fixing seat (8-2) by escape pipe (12) Then inside passes sequentially through connection hose (7), spool (4) middle part with after soft air-guide pipe (6), sprays, will spray from air nozzle (9) Gas nozzle (9) is filled in the nasal cavity of patient, and the oxygen of air nozzle (9) output helps patient to breathe；It is external empty when directlying adopt When gas carries out helping suction to patient, right angle air valve (11) are closed, are shaken crank (8-9), eccentric shaft (8-7) drives adjusting rod (8- 6) it moves up and down in the inside of kidney slot (8-5), so that adjustable plate (8-4) pushes sealing plate (8-3) side-to-side movement, by stretching The stretching motion of contracting air bag (8-1) realizes from air inlet pipe (8-12) air inlet, the air aspirated by connection hose (7), In the middle part of spool (4) and after soft air-guide pipe (6), sprayed from air nozzle (9), for patient respiratory；By pulling soft air-guide pipe (6) Outer end discharges soft air-guide pipe (6) from spool (4), increases the length of outside soft air-guide pipe (6), to adapt to different help suction shape The needs of condition.