CN111905179A

CN111905179A - Gastroenterology pressurization gastric lavage device

Info

Publication number: CN111905179A
Application number: CN202010911682.7A
Authority: CN
Inventors: 闫佩云; 刘军光; 邢春红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2020-11-10

Abstract

The invention discloses a pressure gastric lavage device for digestive system department, wherein a recovery barrel and a cleaning barrel which are fixed with a base are respectively arranged on two sides of a vertical mounting piece; drive structure work drives suction assembly work, suction assembly forward during operation makes the overhead tank in the negative pressure that produces, gastric juice inhales the overhead tank through the stomach tube, pumping assembly is out of work at this in-process, switch module closes the solenoid valve simultaneously, drive structure drives suction assembly reverse during operation and applys the malleation in the overhead tank, the extrusion is inhaled gastric juice and is sent into the recycling bin in the overhead tank, and pumping suction assembly drives switch module and opens the solenoid valve this moment, make through the pipe intercommunication between pumping assembly and the washing bucket, and pumping assembly moves, the washing liquid that will wash in the bucket is sent into patient's stomach, so realize wasing patient's stomach in succession.

Description

Gastroenterology pressurization gastric lavage device

Technical Field

The invention relates to medical equipment, in particular to a pressurization gastric lavage device for digestive system department.

Background

After the toxic substances are eaten by mistake, the treatment is usually carried out by adopting a gastric lavage method, specifically, liquid with certain components is filled into the gastric cavity, the gastric contents are mixed and then extracted, and the steps are repeated for many times. The purpose is to eliminate unabsorbed poison in the stomach or clean the stomach cavity, and the utility model is clinically used for preparing before stomach operation and examination. For acute poisoning such as swallowing organic phosphorus, inorganic phosphorus, alkaloid, barbiturate and the like in a short time, gastric lavage is an important rescue measure.

The most common gastric lavage is gastric lavage, which is to insert a gastric tube from the nasal cavity or oral cavity, pass through the esophagus to the stomach, suck out the poison and then inject into the gastric lavage fluid, discharge the content in the stomach to achieve the purpose of eliminating the poison, then inject the cleaning fluid for cleaning, discharge the cleaning fluid after cleaning, inject a new cleaning fluid, and thus repeatedly wash the stomach.

However, the existing equipment can only realize the function of pumping gastric juice or feeding cleaning solution into the stomach, but can not realize the function conversion between the gastric juice and the cleaning solution without mutual interference, the gastric lavage time is longer, the operation is more complicated, and the treatment time is not shortened.

Disclosure of Invention

Based on the above-mentioned shortcomings of the prior art, the present invention provides a pressure gastric lavage device for gastroenterology.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a pressure gastric lavage device for digestive system department comprises a base and a vertical mounting piece vertically fixed on the base, wherein a recovery barrel and a cleaning barrel which are fixed with the base are respectively arranged on two sides of the vertical mounting piece, a pressure tank which is arranged on the same side of the recovery barrel is fixed on the vertical mounting piece, and one end of the pressure tank is communicated with a gastric tube;

a suction assembly used for sucking gastric juice into the recovery barrel through a gastric tube is movably arranged in the pressure tank, and a pumping assembly connected with the suction assembly and used for delivering cleaning liquid in the cleaning barrel into the stomach through the gastric tube is mounted on the vertical mounting piece;

the base is provided with a driving structure which is connected with the suction assembly and used for driving the suction assembly to act, the pumping assembly is communicated with the cleaning barrel through a guide pipe, the guide pipe is communicated with the cleaning barrel and provided with an electromagnetic valve, the electromagnetic valve is connected with a switch assembly through a signal, and the switch assembly is connected with the suction assembly.

As a further scheme of the invention: the driving structure comprises a motor fixedly mounted on the outer wall of the cleaning barrel, a worm vertically and rotatably mounted on the base and connected with the output end of the motor, and a transmission structure used for connecting the worm and the suction assembly.

As a still further scheme of the invention: the transmission structure comprises a turntable rotatably mounted on the base, a worm wheel rotatably mounted on the base and meshed with the worm, and a first transmission piece used for connecting the worm wheel and the turntable;

the suction assembly is connected with the rotary disc.

As a still further scheme of the invention: the suction assembly comprises a sealing plug which is arranged in the pressure tank in a sealing and sliding mode, a movable piece which is fixed on one side, close to the rotary table, of the sealing plug, and a connecting rod which is used for connecting the movable piece and the rotary table;

the movable part penetrates through one side, close to the vertical installation part, of the pressure tank and is in sliding sleeve fit with the pressure tank, one end of the connecting rod is rotatably connected to the eccentric position of the rotary table, and the other end of the connecting rod is rotatably connected with the movable part.

As a still further scheme of the invention: the stomach tube passes through check valve intercommunication overhead tank, and the overhead tank passes through another check valve and another pipe intercommunication the recycling bin be provided with the one-way transmission structure on the moving part, the one-way transmission structural connection pumping subassembly.

As a still further scheme of the invention: the unidirectional transmission structure comprises a swing toothed plate fixed on the movable piece, a plurality of rows of swing ratchets arranged on the swing toothed plate in a swing mode, and ratchets which are rotatably installed on the vertical installation pieces and matched with the ratchets;

a plurality of limiting grooves are uniformly formed in the swing toothed plate, and the swing ratchet is rotatably installed in the limiting grooves.

As a still further scheme of the invention: the pumping assembly comprises a large gear coaxially fixed with the ratchet wheel, a small gear rotatably mounted on the lower part of the vertical mounting piece and meshed with the large gear, a micro pump mounted on the outer wall of the pressure tank, and a second transmission piece used for connecting the small gear with an impeller shaft of the micro pump;

one end of the micropump is communicated with the stomach tube, and the other end of the micropump is communicated with the catheter connected with the cleaning barrel.

As a still further scheme of the invention: the switch component comprises two elastic trigger switches symmetrically arranged on the cleaning barrel and a rotating wheel rotatably arranged on the moving piece and used for being matched with the two elastic trigger switches;

the two elastic trigger switches are in signal connection with the electromagnetic valve.

After adopting the structure, compared with the prior art, the invention has the following advantages: drive structure work drives suction assembly work, suction assembly forward during operation makes the overhead tank in the negative pressure that produces, gastric juice inhales the overhead tank through the stomach tube, pumping assembly is out of work at this in-process, switch module closes the solenoid valve simultaneously, drive structure drives suction assembly reverse during operation and applys the malleation in the overhead tank, the extrusion is inhaled gastric juice and is sent into the recycling bin in the overhead tank, and pumping suction assembly drives switch module and opens the solenoid valve this moment, make through the pipe intercommunication between pumping assembly and the washing bucket, and pumping assembly moves, the washing liquid that will wash in the bucket is sent into patient's stomach, so realize wasing patient's stomach in succession.

Drawings

FIG. 1 is a schematic view of the structure of a pressure gastric lavage device for digestive system department.

FIG. 2 is an enlarged view of the movable member and the swing tooth plate and the swing ratchet and ratchet wheel of the pressure gastric lavage device for gastroenterology.

FIG. 3 is a partial schematic view of the wheel and resilient trigger switch of the gastroenterology pressure gastric lavage device.

FIG. 4 is a schematic view of the structure of the rotating disc and the connecting rod in the pressure gastric lavage device for gastroenterology.

In the figure: 1-a base; 2-a vertical mounting; 3, recycling the barrel; 4-washing the barrel; 5-pressure tank; 6-an electric motor; 7-a worm; 8-a worm gear; 9-a first transmission member; 10-a turntable; 11-a connecting rod; 12-a movable member; 13-a sealing plug; 14-a one-way valve; 15-a gastric tube; 16-oscillating toothed plates; 17-a swing ratchet; 18-ratchet wheel; 19-a bull gear; 20-pinion gear; 21-a second transmission member; 22-a micro pump; 23-a solenoid valve; 24-a wheel; 25-a resilient trigger switch; 26-catheter.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in the embodiment of the invention, a pressure gastric lavage device for digestive system department comprises a base 1 and a vertical mounting member 2 vertically fixed on the base 1, wherein a recovery barrel 3 and a cleaning barrel 4 fixed with the base 1 are respectively arranged on two sides of the vertical mounting member 2, a pressure tank 5 arranged on the same side of the recovery barrel 3 is fixed on the vertical mounting member 2, and one end of the pressure tank 5 is communicated with a gastric tube 15;

a suction assembly used for sucking gastric juice into the recovery barrel 3 through a gastric tube 15 is movably arranged in the pressure tank 5, and a pumping assembly connected with the suction assembly and used for delivering cleaning liquid in the cleaning barrel 4 into the stomach through the gastric tube 15 is mounted on the vertical mounting piece 2;

a driving structure connected with the suction component and used for driving the suction component to act is installed on the base 1, the pumping component is communicated with the cleaning barrel 4 through a guide pipe 26, an electromagnetic valve 23 is arranged at the communication position of the guide pipe 16 and the cleaning barrel 4, the electromagnetic valve 23 is in signal connection with a switch component, and the switch component is connected with the suction component;

particularly, drive the work of suction module when drive structure during operation, suction module forward during operation makes negative pressure produce in the overhead tank 5, gastric juice inhales in the overhead tank 5 through stomach tube 15, pumping module is out of work at this in-process, the switch module closes solenoid valve 23 simultaneously, drive structure drive suction module reverse during operation and exert the malleation in overhead tank 5, the extrusion is inhaled gastric juice in overhead tank 5 and is sent into during recycling bin 3, and pumping suction module drives switch module and opens solenoid valve 23 this moment, make between pumping module and the washing bucket 4 through pipe 26 intercommunication, and pumping module moves, send into the washing liquid in the washing bucket 4 in the patient stomach, so realize in succession washing patient's stomach.

In one embodiment of the invention, the driving structure comprises a motor 6 fixedly mounted on the outer wall of the washing barrel 4, a worm 7 vertically and rotatably mounted on the base 1 and connected with the output end of the motor 6, and a transmission structure for connecting the worm 7 with the suction assembly;

the worm 7 is driven to rotate by electrifying the motor 6, and the rotating worm 7 drives the transmission structure to act, so that the suction component is driven to act.

In another embodiment of the present invention, the transmission structure comprises a rotary plate 10 rotatably mounted on the base 1, a worm wheel 8 rotatably mounted on the base 1 and engaged with the worm 7, and a first transmission member 9 for connecting the worm wheel 8 and the rotary plate 10;

the suction assembly is connected with the rotary disc 10;

when the worm 7 rotates, the worm wheel 8 is driven to rotate, the rotating worm wheel 8 drives the rotating disc 10 to rotate by means of the transmission piece 9, and then the suction assembly is driven to work.

In a further embodiment of the invention, the suction assembly comprises a sealing plug 13 sealingly slidably arranged in the pressure tank 5, a movable member 12 fixed to a side of the sealing plug 13 adjacent to the turntable 10, and a connecting rod 11 for connecting the movable member 12 to the turntable 10;

the movable piece 12 penetrates through one side of the pressure tank 5 close to the vertical mounting piece 2 and is in sliding fit with the side, one end of the connecting rod 11 is rotatably connected to the eccentric position of the turntable 10, and the other end of the connecting rod is rotatably connected with the movable piece 12;

when the rotary table 10 rotates, the connecting rod 11 drives the moving part 12 to drive the sealing plug 13 to slide linearly in a reciprocating manner along the inner wall of the pressure tank 5, when the sealing plug 13 moves forward to one side close to the vertical mounting part 2, negative pressure is generated in the pressure tank 5, and gastric juice is sucked into the pressure tank 5 through the gastric tube 15.

In a further embodiment of the present invention, the gastric tube 15 is communicated with the pressure tank 5 through a one-way valve 14, the pressure tank 5 is communicated with the recovery barrel 3 through another one-way valve 14 and another conduit 26, a one-way transmission structure is arranged on the movable member 12, and the one-way transmission structure is connected with the pumping assembly;

when the connecting rod 11 drives the sealing plug 13 to move reversely to the side far away from the vertical mounting part 2, positive pressure is generated in the pressure tank 5, and the gastric juice in the pressure tank 5 is sent into the recovery barrel 3 through the conduit 26 under the action of the two one-way valves 14.

In a further embodiment of the present invention, the one-way transmission structure comprises a swing tooth plate 16 fixed on the movable piece 12, a plurality of swing ratchet teeth 17 arranged on the swing tooth plate 16 in a row in a swing manner, and a ratchet wheel 18 rotatably mounted on the vertical mounting member 2 and engaged with the ratchet teeth 17;

a plurality of limiting grooves are uniformly formed in the swing toothed plate 16, and the swing ratchet 17 is rotatably mounted in the limiting grooves;

when the moving part 12 moves reversely to one side far away from the vertical mounting part 2, the swing ratchet 17 is limited by the limiting groove, so that the ratchet 18 is driven to rotate, the rotating ratchet 18 drives the pumping assembly to work, and when the moving part 12 moves forwards to one side close to the vertical mounting part 2, the swing ratchet 17 swings in the limiting groove to avoid the action of the ratchet 18, so that the ratchet 18 and the pumping assembly are not driven to work, and the one-way transmission function is realized.

In a further embodiment of the present invention, the pumping assembly comprises a large gear 19 coaxially fixed with the ratchet wheel 18, a small gear 20 rotatably mounted on the lower portion of the vertical mounting member 2 and engaged with the large gear 19, a micro pump 22 mounted on the outer wall of the pressure tank 5, and a second transmission member 21 for connecting the small gear 20 and the impeller shaft of the micro pump 22;

one end of the micro pump 22 is communicated with the stomach tube 15, and the other end of the micro pump is communicated with a conduit 26 connected with the cleaning barrel 4;

when the ratchet wheel 18 rotates, the large gear 19 is driven to rotate, the rotating large gear 19 drives the small gear 20 to rotate rapidly, and the rapidly rotating small gear 20 drives the micro pump 22 to rotate at a high speed by means of the second transmission piece 21.

In a further embodiment of the present invention, the switch assembly comprises two elastic trigger switches 25 symmetrically installed on the washing tub 4 and a rotating wheel 24 rotatably installed on the movable member 12 for cooperating with the two elastic trigger switches 25;

the two elastic trigger switches 25 are in signal connection with the electromagnetic valve 23;

when the movable piece 12 drives the sealing plug 13 to move to be close to the one-way valve 14, the rotating wheel 24 is in contact with an elastic trigger switch 25 close to the vertical mounting piece 2 and closes the switch, the elastic trigger switch 25 sends a closing instruction to the electromagnetic valve 23, so that a passage formed by the gastric tube 15, the micro pump 22 and the catheter 26 is cut off by the electromagnetic valve 23, and the three are not communicated with the cleaning barrel 4; when the movable piece 12 moves forward to the side close to the vertical mounting piece 2, the gastric tube 15 can only send gastric juice into the pressure tank 5 because the electromagnetic valve 23 is closed;

when the moving part 12 drives the sealing plug 13 to move to a position far away from the one-way valve 14, the rotating wheel 24 contacts with the other elastic trigger switch 25 to start the electromagnetic valve 23, then the moving part 12 moves to a side far away from the vertical mounting part 2, at the moment, gastric juice in the pressure tank 5 is sent into the recovery barrel 3 under the action of the two one-way valves 14, the swing ratchet 17 on the swing toothed plate 16 drives the ratchet 18 to rotate, the ratchet 18 drives the micro pump 22 to work through a gear set, the micro pump 22 sends cleaning liquid in the cleaning barrel 4 into the stomach of a patient through the gastric tube 15, and therefore the cleaning while pumping is achieved.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A pressure gastric lavage device for digestive system department comprises a base (1) and a vertical mounting piece (2) vertically fixed on the base (1), and is characterized in that a recovery barrel (3) and a cleaning barrel (4) which are fixed with the base (1) are respectively arranged on two sides of the vertical mounting piece (2), a pressure tank (5) which is arranged on the same side of the recovery barrel (3) is fixed on the vertical mounting piece (2), and one end of the pressure tank (5) is communicated with a gastric tube (15);

a suction assembly used for sucking gastric juice into the recovery barrel (3) through a gastric tube (15) is movably arranged in the pressure tank (5), and a pumping assembly connected with the suction assembly and used for sending cleaning liquid in the cleaning barrel (4) into the stomach through the gastric tube (15) is mounted on the vertical mounting piece (2);

install on base (1) and connect the suction subassembly is used for driving the drive structure of suction subassembly action, the pumping subassembly passes through pipe (26) intercommunication washing bucket (4) pipe (16) with washing bucket (4) intercommunication department is provided with solenoid valve (23), and solenoid valve (23) signal connection switch module, the switch module is connected the suction subassembly.

2. A gastroenterology pressure gastric lavage device according to claim 1, characterized in that the driving structure comprises an electric motor (6) fixedly mounted on the outer wall of the washing tub (4), a worm (7) vertically rotatably mounted on the base (1) and connected to the output of the electric motor (6), and a transmission structure for connecting the worm (7) with the suction assembly.

3. A gastroenterology pressure gastric lavage device according to claim 2, characterized in that the transmission structure comprises a rotary plate (10) rotatably mounted on the base (1), a worm wheel (8) rotatably mounted on the base (1) and meshing with the worm (7), and a first transmission member (9) for connecting the worm wheel (8) with the rotary plate (10);

the suction assembly is connected with the rotary disc (10).

4. A gastroenterology pressure gastric lavage device according to claim 3, characterized in that the suction assembly comprises a sealing plug (13) sealingly slidably disposed in the pressure tank (5), a movable member (12) fixed on a side of the sealing plug (13) adjacent to the turntable (10), and a connecting rod (11) for connecting the movable member (12) and the turntable (10);

the movable piece (12) penetrates through one side, close to the vertical mounting piece (2), of the pressure tank (5) and is in sliding sleeve fit with the pressure tank, one end of the connecting rod (11) is rotatably connected to the eccentric position of the rotary disc (10), and the other end of the connecting rod is rotatably connected with the movable piece (12).

5. A gastroenterology pressure gastric lavage device according to claim 4, characterized in that the gastric tube (15) communicates with a pressure tank (5) through a one-way valve (14), the pressure tank (5) communicates with the recovery tank (3) through another one-way valve (14) and another conduit (26), a one-way transmission structure is provided on the movable member (12), the one-way transmission structure connects the pumping assembly.

6. A gastroenterology pressure gastric lavage device according to claim 5, characterized in that the one-way transmission structure comprises a swing toothed plate (16) fixed on the movable piece (12), a plurality of rows of swing ratchet teeth (17) swingably provided on the swing toothed plate (16), and a ratchet wheel (18) rotatably mounted on the vertical mounting member (2) and cooperating with the ratchet teeth (17);

a plurality of limiting grooves are uniformly formed in the swing toothed plate (16), and the swing ratchet (17) is rotatably installed in the limiting grooves.

7. A gastroenterology pressure gastric lavage device according to claim 6, characterized in that the pumping assembly comprises a gearwheel (19) fixed coaxially with the ratchet (18), a pinion (20) rotatably mounted on the lower part of the vertical mounting (2) and meshing with the gearwheel (19), a micro pump (22) mounted on the outer wall of the pressure tank (5), and a second transmission (21) for connecting the pinion (20) with the impeller shaft of the micro pump (22);

one end of the micro pump (22) is communicated with the stomach tube (15), and the other end of the micro pump is communicated with the catheter (26) connected with the cleaning barrel (4).

8. A pressure gastric lavage device as claimed in any of claims 6 or 7 characterized in that the switch assembly comprises two elastic trigger switches (25) mounted symmetrically on the washing tub (4) and a rotating wheel (24) rotatably mounted on the movable member (12) for cooperating with the two elastic trigger switches (25);

the two elastic trigger switches (25) are in signal connection with the electromagnetic valve (23).