CN215740884U - Semi-automatic children's gastrolavage device - Google Patents

Abstract

The utility model discloses a semi-automatic children gastric lavage device; comprises a gastric lavage tube, an irrigation fluid guide tube, a drainage fluid collector and a pedal type semi-automatic negative pressure suction component; the rear end of the lavage tube is provided with a washing liquid inlet, the outer wall of the rear end is provided with a side tube, and the end part of the side tube forms a washing liquid outlet; the flushing fluid guide pipe is connected between the flushing fluid outlet and the drainage fluid collector; the pedal type semi-automatic negative pressure suction component is connected to the drainage liquid collector; the effect is as follows: when the foot is stepped on semi-automatic negative pressure suction component of formula is stepped on to the foot to when air in the suction drainage liquid collector, can form the negative pressure in the drainage liquid collector promptly, children's stomach flush fluid can be attracted to drainage liquid collector by negative pressure through lavage tube and flush fluid honeycomb duct, relevant easy operation is swift, make convenient to use, save medical personnel and control the syringe with the hand and carry out the trouble of suction, make medical personnel use more save worry laborsaving, the medical personnel physical power that can significantly reduce, and then, this application practicality is strong, excellent in use effect.

Description

Semi-automatic children's gastrolavage device

Technical Field

The utility model relates to the technical field of medical care products, in particular to a semi-automatic children gastric lavage device.

Background

In each big hospital paediatrics, when carrying out the gastric lavage to children below 3 years old, generally go on for adopting the syringe method, it is specific, connect single chamber stomach tube with 50ml or 100ml syringe to pour into the flush fluid into in to children's stomach through single chamber stomach tube, take out the flush fluid that pours into through single chamber stomach tube is reverse again, so the reciprocal certain number of times of circulation can be with children's stomach in the sanitization. The method is characterized in that: the operation is simple, the irritation is small, the pressure is not large when the flushing fluid is pumped out, and the gastric mucosa of the children is not easy to be damaged due to large negative pressure attraction.

Although the syringe method is widely used, the syringe method still has certain defects and shortcomings;

particularly, all need manual control the syringe that uses when washing at every turn and will make children in the stomach the flush fluid of injection reverse take out, this just makes increase medical personnel work load and physical power that can be great when washing the number of times more for medical personnel work tired.

Therefore, the existing problems remain to be solved.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to overcome the above-described deficiencies of the prior art and to provide a semi-automatic gastric lavage device for children.

The technical scheme adopted by the utility model for solving the problems in the prior art is as follows: a semi-automatic children's gastrolavage device, including lavage tube, wash fluid honeycomb duct, drainage liquid collector and pedal type semi-automatic negative pressure suction means;

the rear end of the lavage tube is provided with a flushing fluid inlet, the outer wall of the rear end is provided with a side tube communicated with the interior of the lavage tube, and the end part of the side tube forms a flushing fluid outlet; the flushing liquid guide pipe is connected between the flushing liquid guide outlet and the drainage liquid collector; the pedal type semi-automatic negative pressure suction component is connected to the drainage liquid collector;

when the pedal type semi-automatic negative pressure suction component is stepped by a foot to suck out air in the drainage liquid collector, negative pressure is formed in the drainage liquid collector, and the children stomach flushing liquid is sucked to the drainage liquid collector by negative pressure through the gastric lavage tube and the flushing liquid guide tube.

The above technical solution is further described as follows:

preferably, the pedal type semi-automatic negative pressure suction component comprises an organ type telescopic air bag, a telescopic spring, a first one-way valve used for controlling gas to be discharged out of the organ type telescopic air bag, a second one-way valve used for controlling gas to enter the organ type telescopic air bag and a gas guide pipe used for conducting external drainage on gas in the drainage liquid collector;

the organ type telescopic air bag is of a cylindrical structure, an upper fixing sleeve is arranged on the inner top surface of the organ type telescopic air bag in a downward protruding mode, and a lower fixing sleeve is arranged on the inner bottom surface of the organ type telescopic air bag in an upward protruding mode; the upper end of the telescopic spring is clamped in the upper fixed sleeve, and the lower end of the telescopic spring is clamped in the lower fixed sleeve;

a first air guide joint and a second air guide joint which are communicated with the lower part of the outer wall of the organ type telescopic air bag are arranged in parallel;

the first one-way valve is connected to the first air guide joint; the second one-way valve is connected to the second air guide joint; the air duct is connected between the second one-way valve and the drainage liquid collector.

Preferably, the first one-way valve and the second one-way valve each comprise a hollow cylindrical valve body, a valve core, a top pressure spring and a valve cover;

the front end and the rear end of the cylindrical valve body are both formed into openings, a first air passing channel is arranged at the front end in the cylindrical valve body along the front-rear direction, and a second air passing channel which is larger than the first air passing channel in inner diameter and communicated with the first air passing channel is arranged at the inner rear end along the front-rear direction; the outer diameter of the valve core is larger than the inner diameter of the first gas passing channel and smaller than the inner diameter of the second gas passing channel; the valve cover is detachably and fixedly arranged on the rear opening of the cylindrical valve body, and is provided with an air hole communicated with the second air passing channel; the valve core and the jacking spring are both positioned in the second gas passing channel, and the jacking spring is connected between the valve core and the valve cover;

in an initial state, the jacking spring is in a compressed state, and the valve core is propped against the front end of the second air passing channel to block the second air passing channel;

when gas enters the first gas passing channel and pushes the valve core to further compress the top pressure spring, the valve core moves to the rear end of the second gas passing channel to open the second gas passing channel so as to be communicated with the first gas passing channel.

Preferably, a gas guide groove with a horn-shaped structure is formed at the joint between the rear end of the first gas passing channel and the front end of the second gas passing channel by cutting, and a layer of sealing ring A is adhered to the inner wall of the gas guide groove;

the periphery of the front end of the valve core is cut to form a cone-shaped abutting part which is clamped to the gas diversion groove in an adapting way; a layer of sealing ring B is cemented on the outer wall of the centrum-shaped abutting part;

in an initial state, the jacking spring is in a compressed state, the conical abutting part at the front end of the valve core is abutted into the gas diversion groove, and the sealing ring B abuts against the sealing ring A.

Preferably, the outer walls of the front end and the rear end of the cylindrical valve body are respectively provided with an external thread; the rear end of the cylindrical valve body is cut forwards to form a limiting groove with the inner diameter larger than that of the second air passing channel, and the valve cover is clamped in the limiting groove.

Preferably, the valve cover is screwed in the limiting groove in a threaded manner, and a sealing ring C with the inner diameter equal to that of the second air passing channel is arranged in the limiting groove.

Preferably, the pedal type semi-automatic negative pressure suction component further comprises a foot supporting plate;

the organ type telescopic air bag is fixedly arranged at the front end of the upper end face of the foot supporting plate; the rear end of the upper end surface of the foot supporting plate is upwards convexly provided with a limiting lug used for limiting the heel of the medical staff; the bottom surface of the foot supporting plate is formed into a sawtooth structure so as to form an anti-skid surface.

Preferably, the outer wall of the front end of the lavage tube is uniformly provided with a plurality of flushing fluid inlet and outlet holes, and the outer wall of the lavage tube is provided with indication scales for indicating the insertion depth along the length direction; a current limiting clip is sleeved outside the side tube of the lavage tube; the flushing fluid inlet of the lavage tube is connected with a sealing plug which can cover the lavage tube.

Preferably, the drainage liquid collector comprises a first drainage liquid collecting bottle, a second drainage liquid collecting bottle and a drainage liquid guide pipe;

the first drainage liquid collecting bottle comprises a first bottle body and a first bottle cap covering an opening at the upper part of the first bottle body; a first plug-in connector A and a first plug-in connector B communicated with the first bottle body are arranged outside the first bottle cap;

the second drainage liquid collecting bottle comprises a second bottle body and a second bottle cap covering an opening at the upper part of the second bottle body; a second plug-in connector A and a second plug-in connector B communicated with the second bottle body are arranged outside the second bottle cap;

the flushing fluid guide pipe is connected between the flushing fluid guide outlet and the first plug A; the drainage liquid guide pipe is connected between the first plug connector B and the second plug connector A; the air duct is connected between the second one-way valve and the second plug connector B.

Preferably, the first bottle body and the second bottle body are made of semitransparent plastic materials, and the outer wall of the first bottle body and the outer wall of the second bottle body are respectively provided with capacity scales.

The utility model has the beneficial effects that:

the semi-automatic children gastric lavage device provided by the utility model comprises a gastric lavage tube, a washing fluid guide tube, a drainage fluid collector and a pedal type semi-automatic negative pressure suction component, when the pedal type semi-automatic negative pressure suction component is stepped by a foot to suck out air in the drainage fluid collector, negative pressure can be formed in the drainage fluid collector, and children gastric washing fluid can be sucked to the drainage fluid collector by the negative pressure through the gastric lavage tube and the washing fluid guide tube.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a semi-automatic child gastric lavage device of the present invention;

FIG. 2 is an exploded view of the semi-automatic child gastric lavage device of the present invention;

FIG. 3 is a schematic view of the overall configuration of the lavage tube in accordance with the embodiment of the present invention;

FIG. 4 is an exploded view of the semi-automatic vacuum suction device of the pedal type in accordance with the embodiment of the present invention;

FIG. 5 is an overall cross-sectional view of the concertina type air bag and the extension spring of FIG. 4 fixed together;

FIG. 6 is a cross-sectional view of the first one-way valve of FIG. 4;

FIG. 7 is an exploded view of the first one-way valve of FIG. 6;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Reference numerals:

a semi-automatic child gastric lavage device 1000;

a lavage tube 10;

a flushing liquid inlet 101; a side tube 102; a flushing liquid outlet 103; a rinse inlet and outlet 104; an indication scale 105; a current limiting clip 106; a sealing plug 107;

a flushing fluid draft tube 20;

a drainage fluid collector 30;

a first drainage fluid collection bottle 301; a first body 3011; a first vial cap 3012; a first plug-in connector A30121 and a first plug-in connector B30122; a second drainage fluid collection bottle 302; a second bottle 3021; a second bottle cap 3022; a second bayonet a 30221; a second plug B30222; a drainage liquid guide pipe 303; a pedal type semi-automatic negative pressure suction member 40;

an accordion type bellows 401; an upper fixing sleeve 4011; a lower fixing sleeve 4012; a first air guide junction 4013; a second gas lead junction 4014; a tension spring 402; a first check valve 403; a cylindrical valve body 4031; a first gas passage 40311; external threads 40313 of second gas passage 40312; a limit groove 40314; seal ring C40315; a spool 4032; a pyramidal abutment 40321; a seal ring B40322; a top pressure spring 4033; a valve cap 4034; an air hole 40341; gas guiding groove 4035; a seal ring a 40351; a second check valve 404; an airway tube 405; a foot rest plate 406; a limit bump 4061; anti-slip surface 4062;

Detailed Description

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments so that the inventive spirit of the present invention can be more clearly and intuitively understood.

As shown in connection with fig. 1-7;

the utility model provides a semi-automatic children gastric lavage device 1000, which comprises a gastric lavage tube 10, an irrigation fluid draft tube 20, a drainage fluid collector 30 and a pedal type semi-automatic negative pressure suction component 40;

wherein, the rear end of the lavage tube 10 is provided with an irrigation fluid inlet 101, the outer wall of the rear end is provided with a side tube 102 communicated with the inside of the lavage tube, and the end part of the side tube 102 is provided with an irrigation fluid outlet 103; the washing liquid guide pipe 20 is connected between the washing liquid guide outlet 103 and the drainage liquid collector 30; the pedal type semi-automatic negative pressure suction component 40 is connected to the drainage liquid collector 30;

when the foot-operated semi-automatic negative pressure suction means 40 is stepped on by a foot to suck out air in the drainage liquid collector 30, negative pressure is formed in the drainage liquid collector 30, and the children stomach irrigation liquid is sucked to the drainage liquid collector 30 by the negative pressure through the gastric lavage tube 10 and the irrigation liquid draft tube 20.

Based on the foregoing, it should be apparent that the present application, when embodied, is primarily intended for use as a semi-automatic child gastric lavage device 1000.

Because of this application includes gastric lavage tube 10, flush fluid honeycomb duct 20, drainage liquid collector 30 and the semi-automatic negative pressure of formula of stepping on by the foot attracts component 40, so, when using this application, when the foot is stepped on the semi-automatic negative pressure of formula of stepping on by the foot attracts component 40, with the suction during air in drainage liquid collector 30, can form the negative pressure in the drainage liquid collector 30 promptly, children's stomach flush fluid can via gastric lavage tube 10 and flush fluid honeycomb duct 20 is attracted by the negative pressure extremely drainage liquid collector 30.

Relevant easy operation is swift for convenient to use saves the trouble that traditional syringe method medical personnel controlled the syringe with the hand and carry out the suction, makes medical personnel use more laborsaving of saving worry, reduction medical personnel physical power that can be great, makes medical personnel during operation difficult for the fatigue.

And, this application is semi-automatic children gastric lavage device 1000, it is compared in traditional vacuum aspiration ware of taking the vacuum aspiration pump, use cost can be lower, make medical cost lower, children's family members also are happy to accept, and this application carries out semi-automatic vacuum aspiration through the mode of foot stepping on, make the vacuum aspiration dynamics controllable, vacuum aspiration time is also controllable, this application can select to carry out the foot stepping on and control the foot stepping on dynamics to corresponding foot stepping on semi-automatic vacuum aspiration component 40 according to actual need's time point, make and use the flexibility good, compare in traditional electronic vacuum aspiration ware, do not need to start to stop, also need not connect the electricity, it is convenient to make use.

Furthermore, the application is strong in practicability and good in using effect.

Preferably, in the present technical solution, the pedal type semi-automatic negative pressure suction means 40 includes an organ type expansion bladder 401, an expansion spring 402, a first one-way valve 403 for controlling gas to be discharged out of the organ type expansion bladder 401, a second one-way valve 404 for controlling gas to be introduced into the organ type expansion bladder 401, and a gas guide tube 405 for guiding gas in the drainage liquid collector 30 to the outside;

the organ type telescopic air bag 401 is of a cylindrical structure, an upper fixing sleeve 4011 is arranged on the inner top surface of the organ type telescopic air bag in a downward protruding mode, and a lower fixing sleeve 4012 is arranged on the inner bottom surface of the organ type telescopic air bag in an upward protruding mode; the upper end of the telescopic spring 402 is clamped in the upper fixing sleeve 4011, and the lower end is clamped in the lower fixing sleeve 4012;

a first air guide joint 4013 and a second air guide joint 4014 communicated to the interior of the organ type telescopic air bag 401 are arranged at the lower part of the outer wall side by side;

the first check valve 403 is connected to the first air guide junction 4013; the second one-way valve 404 is connected to the second gas directing connection 4014; the air duct 405 is connected between the second one-way valve 404 and the drainage fluid collector 30.

Thus, it can be understood that:

on one hand, when the medical staff steps on the organ type telescopic air bag 401 to make it in a compressed state, the first one-way valve 403 is opened, the second one-way valve 404 is closed, the gas in the organ type telescopic air bag 401 can be discharged outwards through the first one-way valve 403, the medical staff lifts up the foot to loosen the organ type telescopic air bag 401, the telescopic spring 402 in the medical staff can be reset to make the organ type telescopic air bag 401 swell again, in the process, the first one-way valve 403 is closed, the second one-way valve 404 is opened, the gas in the drainage liquid collector 30 can be sucked into the medical staff to make the drainage liquid collector 30 form negative pressure, so that the irrigation liquid in the stomach of the child can be sucked out by the negative pressure and is guided to the drainage liquid collector 30 for collection and storage through the irrigation liquid drainage tube 10 and the drainage liquid guide tube 20 connected with the stomach tube, the related operation is semi-automatic, so that the operation is really labor-saving.

On the other hand, the upper end of the extension spring 402 is fixed in the upper fixing sleeve 4011 in a clamped manner, and the lower end of the extension spring 402 is fixed in the lower fixing sleeve 4012 in a clamped manner, so that the extension spring 402 has a good clamping effect and is not easy to shift, and the treading type semi-automatic negative pressure suction member 40 is stable and reliable in use.

Further, in the present embodiment, as shown in fig. 6 and 7, each of the first check valve 403 and the second check valve 404 includes a hollow cylindrical valve body 4031, a valve body 4032, a top pressure spring 4033, and a valve cover 4034;

the front end and the rear end of the cylindrical valve body 4031 are both formed into openings, a first air passing channel 40311 is arranged at the front end in the cylindrical valve body 4031 in the front-rear direction, and a second air passing channel 40312 which is larger in inner diameter than the first air passing channel 40311 and is communicated with the first air passing channel 40311 is arranged at the rear end in the front-rear direction; the outer diameter of the valve core 4032 is larger than the inner diameter of the first gas passing channel 40311 and smaller than the inner diameter of the second gas passing channel 40312; the valve cover 4034 is detachably and fixedly arranged on the rear opening of the cylindrical valve body 4031, and an air hole 40341 communicated to the second air passing channel 40312 is formed in the valve cover 4034; the valve core 4032 and the top pressure spring 4033 are both located in the second gas passing channel 40312, and the top pressure spring 4033 is connected between the valve core 4032 and the valve cover 4034;

in an initial state, the top pressure spring 4033 is in a compressed state, and the valve element 4032 is abutted against the front end of the second gas passing channel 40312 to seal the second gas passing channel 40312;

when the gas enters the first gas passing channel 40311 and pushes the valve element 4032 to further compress the top pressure spring 4033, the valve element 4032 moves towards the rear end of the second gas passing channel 40312 to open the second gas passing channel 40312 so as to communicate with the first gas passing channel 40311.

In addition, in this embodiment, a gas guiding groove 4035 with a horn-shaped structure is formed at a connection portion between the rear end of the first gas passing channel 40311 and the front end of the second gas passing channel 40312 by cutting, and a layer of sealing ring a40351 is adhered to an inner wall of the gas guiding groove 4035;

the periphery of the front end of the valve core 4032 is cut to form a conical abutting part 40321 which is clamped to the gas guide groove 4035 in an adapting manner; a layer of sealing ring B40322 is adhered to the outer wall of the conical abutting part 40321;

in an initial state, the top pressure spring 4033 is in a compressed state, the conical abutting portion 40321 at the front end of the valve element 4032 abuts against the gas guiding groove 4035, and the sealing ring B40322 abuts against the sealing ring a 40351.

Meanwhile, in this embodiment, the outer walls of the front and rear ends of the cylindrical valve 4031 are respectively provided with an external thread 40313; the rear end of the cylindrical valve body 4031 is cut forwards to form a limit groove 40314 with an inner diameter larger than that of the second gas passing channel 40312, and the valve cover 4034 is clamped in the limit groove 40314.

Preferably, the valve cap 4034 is screwed in the limit groove 40314, a linear screwing groove or a crisscross screwing groove (not shown) is formed in the rear end face of the valve cap 4034 to facilitate screwing, and a sealing ring C40315 with an inner diameter equal to that of the second air passing channel 40312 is arranged in the limit groove 40314.

From above, it can be known that:

on one hand, the first one-way valve 403 and the second one-way valve 404 have the same structure and can be used interchangeably, so that the universality is good, the installation direction can be checked only when the valve is assembled, and the use is flexible.

On the other hand, the valve cap 4034 is screwed into the limit groove 40314, and is inserted into a straight screwing groove or a cross screwing groove (not shown) provided thereon by using a tool, so that the valve cap 4034 is convenient to screw, and is easy to assemble while having good connection fixing performance.

In addition, in an initial state, the top pressure spring 4033 is in a compressed state, and the conical abutting portion 40321 at the front end of the valve element 4032 abuts against the gas guide groove 4035, so that the sealing ring B40322 on the conical abutting portion abuts against the sealing ring a40351 on the inner wall of the gas guide groove 4035, and the second gas passing channel 40312 is good in sealing performance and not prone to gas leakage.

And the gas guiding groove 4035 can also play a role in limiting the valve element 4032 so that the valve element 4032 is not easy to displace, and the application is safer and more reliable to use.

Preferably, in this embodiment, the front end of the cylindrical valve body 4031 of the first check valve 403 is in threaded connection with the first air guide joint 4013; the rear end of the cylindrical valve body 4031 of the second one-way valve 404 is in threaded connection with the second air guide joint 4014, and the front end of the cylindrical valve body 4031 of the second one-way valve 404 is in threaded connection with the liquid inlet end of the flushing liquid draft tube 20.

It should be added that, in the specific implementation, the pedal-type semi-automatic negative pressure suction device 40 further includes a foot supporting plate 406;

wherein, the organ type telescopic air bag 401 is fixedly arranged at the front end of the upper end face of the foot supporting plate 406; a limit bump 4061 for limiting the heel of the medical staff is convexly arranged upwards at the rear end of the upper end surface of the foot supporting plate 406; the bottom surface of the foot support plate 406 is formed with a serrated configuration to form a non-slip surface 4062.

Therefore, when the medical staff steps on the foot supporting plate 406 and the heel of the foot of the medical staff abuts against the limit bump 4061, the organ-type telescopic air bag 401 is stepped on by the sole of the foot to discharge the air in the organ-type telescopic air bag, and the organ-type telescopic air bag 401 is released by the foot of the medical staff to suck the air in the drainage fluid collector 30 in a negative pressure manner, so that the flushing fluid in the stomach of the child is sucked into the drainage fluid collector 30 in a negative pressure manner.

And, relevant operation only need medical personnel single foot step on press and lift the foot can for it is really more convenient laborsaving to operate, can liberate medical personnel's both hands, in order to vacate the hand and get to hold up steadily lavage tube and children limbs etc. make this application result of use more excellent.

It is further supplemented that, in the concrete implementation, the outer wall of the front end of the lavage tube 10 of the present application is uniformly provided with a plurality of irrigation fluid inlet and outlet holes 104, and the outer wall of the lavage tube 10 is provided with indication scales 105 for indicating the insertion depth along the length direction thereof; a current limiting clip 106 is sleeved outside the side tube 102 of the lavage tube 10; the position of the washing liquid inlet 101 of the lavage tube 10 is connected with a sealing plug 107 which can cover the washing liquid inlet.

Thus, when the child's stomach is filled with the irrigating fluid through the irrigating fluid inlet 101, the side tube 102 is clamped by the clamp 106 in advance, so that the injected irrigating fluid is prevented from flowing out of the side tube 102 without being used.

In addition, in the present application, the irrigation fluid inlet 101 is formed in a horn-shaped structure so as to be suitable for being inserted into a luer connector at the front end of a conventional medical syringe, so that the conventional medical syringe can be used for injecting the irrigation fluid into the stomach of the child.

It is further necessary to supplement that, in specific implementation, the drainage fluid collector 30 includes a first drainage fluid collecting bottle 301, a second drainage fluid collecting bottle 302 and a drainage fluid guide tube 303;

the first drainage liquid collecting bottle 301 comprises a first bottle body 3011 and a first bottle cover 3012 covering an opening at the upper part of the first bottle body 3011; a first plug-in connector A30121 and a first plug-in connector B30122 which are communicated with the first bottle body 3011 are arranged outside the first bottle cover 3012;

the second drainage liquid collecting bottle 302 comprises a second bottle body 3021 and a second bottle cap 3022 covering the upper opening of the second bottle body 3021; a second plug-in connector A30221 and a second plug-in connector B30222 which are communicated with the second bottle body 3021 are arranged outside the second bottle cap 3022;

the flushing liquid guide pipe 20 is connected between the flushing liquid guide outlet 103 and the first plug A30121; the drainage liquid guide pipe 303 is connected between the first plug-in connector B30122 and the second plug-in connector A30221; the air duct 405 is connected between the second one-way valve 404 and the second plug B30222.

The reason why the drainage fluid collector 30 is designed to have the first drainage fluid collecting bottle 301 and the second drainage fluid collecting bottle 302 is that: if drainage liquid collector 30 is only one holding chamber, when it fills up used flush fluid, the flush fluid of filling up may be inhaled organ-type air bag 401, so, in this application second drainage liquid collecting bottle 302 not only is used as reserve collection used drainage liquid, and it still has concurrently and prevents that used drainage liquid from overflowing to organ-type air bag 401's function for the practicality is stronger, makes this application whole result of use more excellent.

Preferably, in this technical scheme, first bottle 3011 and second bottle 3021 are the preparation of translucent plastic material to medical personnel can real-timely observe the washing liquid volume that the drainage came when carrying out the washing of stomach to children, just first bottle 3011 outer wall and second bottle 3021 outer wall is equipped with the capacity scale respectively.

Other embodiments, etc., will not be described herein.

In conclusion, the utility model has the advantages of simple integral structure, easy implementation, easy operation, strong practicability, strong specificity and low manufacturing cost, does not need to increase too much cost in the structural improvement and the technical improvement, ensures that the utility model has good market popularization value, is very popular and can be effectively popularized.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all changes in equivalent structure or equivalent flow, which are made by using the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A semi-automatic gastric lavage device for children, characterized in that: comprises a gastric lavage tube, an irrigation fluid guide tube, a drainage fluid collector and a pedal type semi-automatic negative pressure suction component;

the rear end of the lavage tube is provided with a flushing fluid inlet, the outer wall of the rear end is provided with a side tube communicated with the interior of the lavage tube, and the end part of the side tube forms a flushing fluid outlet; the flushing liquid guide pipe is connected between the flushing liquid guide outlet and the drainage liquid collector; the pedal type semi-automatic negative pressure suction component is connected to the drainage liquid collector.

2. The semi-automatic pediatric gastric lavage device of claim 1 wherein: the pedal type semi-automatic negative pressure suction component comprises an organ type telescopic air bag, a telescopic spring, a first one-way valve used for controlling gas to be discharged out of the organ type telescopic air bag, a second one-way valve used for controlling gas to enter the organ type telescopic air bag and a gas guide pipe used for conducting external drainage on gas in the drainage liquid collector;

the organ type telescopic air bag is of a cylindrical structure, an upper fixing sleeve is arranged on the inner top surface of the organ type telescopic air bag in a downward protruding mode, and a lower fixing sleeve is arranged on the inner bottom surface of the organ type telescopic air bag in an upward protruding mode; the upper end of the telescopic spring is clamped in the upper fixed sleeve, and the lower end of the telescopic spring is clamped in the lower fixed sleeve;

a first air guide joint and a second air guide joint which are communicated with the lower part of the outer wall of the organ type telescopic air bag are arranged in parallel;

the first one-way valve is connected to the first air guide joint; the second one-way valve is connected to the second air guide joint; the air duct is connected between the second one-way valve and the drainage liquid collector.

3. The semi-automatic pediatric gastric lavage device of claim 2 wherein: the first one-way valve and the second one-way valve respectively comprise a cylindrical valve body with a hollow structure, a valve core, a jacking spring and a valve cover;

the front end and the rear end of the cylindrical valve body are both formed into openings, a first air passing channel is arranged at the front end in the cylindrical valve body along the front-rear direction, and a second air passing channel which is larger than the first air passing channel in inner diameter and communicated with the first air passing channel is arranged at the inner rear end along the front-rear direction; the outer diameter of the valve core is larger than the inner diameter of the first gas passing channel and smaller than the inner diameter of the second gas passing channel; the valve cover is detachably and fixedly arranged on the rear opening of the cylindrical valve body, and is provided with an air hole communicated with the second air passing channel; the valve core and the jacking spring are both positioned in the second gas passing channel, and the jacking spring is connected between the valve core and the valve cover;

in an initial state, the jacking spring is in a compressed state, and the valve core is propped against the front end of the second air passing channel to block the second air passing channel;

when gas enters the first gas passing channel and pushes the valve core to further compress the top pressure spring, the valve core moves to the rear end of the second gas passing channel to open the second gas passing channel so as to be communicated with the first gas passing channel.

4. A semi-automatic children's gastric lavage device of claim 3 further comprising: a connecting part between the rear end of the first air passing channel and the front end of the second air passing channel is cut to form a gas guide groove with a horn-shaped structure, and a layer of sealing ring A is adhered to the inner wall of the gas guide groove;

the periphery of the front end of the valve core is cut to form a cone-shaped abutting part which is clamped to the gas diversion groove in an adapting way; a layer of sealing ring B is cemented on the outer wall of the centrum-shaped abutting part;

in an initial state, the jacking spring is in a compressed state, the conical abutting part at the front end of the valve core is abutted into the gas diversion groove, and the sealing ring B abuts against the sealing ring A.

5. The semi-automatic pediatric gastric lavage device of claim 4 wherein: external threads are respectively arranged on the outer walls of the front end and the rear end of the cylindrical valve body; the rear end of the cylindrical valve body is cut forwards to form a limiting groove with the inner diameter larger than that of the second air passing channel, and the valve cover is clamped in the limiting groove.

6. The semi-automatic pediatric gastric lavage device of claim 5 wherein: the valve cover is screwed in the limiting groove in a threaded manner, and a sealing ring C with the inner diameter equal to that of the second air passing channel is arranged in the limiting groove.

7. The semi-automatic pediatric gastric lavage device of claim 6 wherein: the pedal type semi-automatic negative pressure suction component also comprises a foot supporting plate;

the organ type telescopic air bag is fixedly arranged at the front end of the upper end face of the foot supporting plate; the rear end of the upper end surface of the foot supporting plate is upwards convexly provided with a limiting lug used for limiting the heel of the medical staff; the bottom surface of the foot supporting plate is formed into a sawtooth structure so as to form an anti-skid surface.

8. The semi-automatic pediatric gastric lavage device of claim 7 wherein: a plurality of flushing fluid inlet and outlet holes are uniformly formed in the outer wall of the front end of the lavage tube, and indication scales for indicating the insertion depth are arranged on the outer wall of the lavage tube along the length direction of the lavage tube; a current limiting clip is sleeved outside the side tube of the lavage tube; the flushing fluid inlet of the lavage tube is connected with a sealing plug which can cover the lavage tube.

9. A semi-automatic children's gastric lavage device as claimed in any of claims 2-8 wherein: the drainage liquid collector comprises a first drainage liquid collecting bottle, a second drainage liquid collecting bottle and a drainage liquid guide pipe;

the first drainage liquid collecting bottle comprises a first bottle body and a first bottle cap covering an opening at the upper part of the first bottle body; a first plug-in connector A and a first plug-in connector B communicated with the first bottle body are arranged outside the first bottle cap;

the second drainage liquid collecting bottle comprises a second bottle body and a second bottle cap covering an opening at the upper part of the second bottle body; a second plug-in connector A and a second plug-in connector B communicated with the second bottle body are arranged outside the second bottle cap;

the flushing fluid guide pipe is connected between the flushing fluid guide outlet and the first plug A; the drainage liquid guide pipe is connected between the first plug connector B and the second plug connector A; the air duct is connected between the second one-way valve and the second plug connector B.

10. The semi-automatic pediatric gastric lavage device of claim 9 wherein: the first bottle body and the second bottle body are made of semitransparent plastic materials, and the outer wall of the first bottle body and the outer wall of the second bottle body are respectively provided with capacity scales.

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