CN213284671U

CN213284671U - Negative pressure drainage device for digestive system department

Info

Publication number: CN213284671U
Application number: CN202020755360.3U
Authority: CN
Inventors: 陈诚
Original assignee: Suining Hospital Of Tcm
Current assignee: Suining Hospital Of Tcm
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-05-28
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a negative pressure drainage device for digestive system department, which comprises a drainage bottle, a negative pressure pipe, a drainage pipe and a manual vacuum pump; one end of the drainage tube is connected with the drainage port of the drainage bottle; the negative pressure pipe is connected between the vacuum joint of the manual vacuum pump and the negative pressure port of the drainage bottle; the manual vacuum pump comprises an air suction cylinder, a base fixed at the bottom of the air suction cylinder, a piston in sliding fit in the air suction cylinder, a piston rod connected to the piston, a handle fixed at the upper end of the piston rod and a vacuum joint arranged on the base; an exhaust port and an airflow channel communicated with the inner cavity of the air pump cylinder, the vacuum joint and the exhaust port are arranged in the base; one-way valves are arranged in the vacuum joint and the exhaust port; the utility model discloses a negative pressure drainage ware can provide and last negative pressure ability, can avoid the intraductal spring of bellows to cause the pollution to stomach liquid simultaneously again.

Description

Negative pressure drainage device for digestive system department

Technical Field

The utility model relates to an apparatus field for the gastroenterology especially relates to a negative pressure drainage ware for gastroenterology.

Background

Gastrointestinal decompression is a method of inserting a stomach tube into the oral cavity or the nasal cavity, connecting a disposable gastrointestinal decompression device, and leading stomach contents out of the body of a patient under the action of negative pressure and siphon principle. The method can suck gas or liquid from gastrointestinal tract, reduce pressure in gastrointestinal tract, reduce gastrointestinal swelling degree, improve gastrointestinal wall blood circulation, and promote healing and function recovery of stomach wound, and is used for acute gastric dilatation, intestinal obstruction, gastrointestinal perforation repair or partial resection.

The existing negative pressure drainage bottle is usually made of a corrugated pipe, a spring is arranged in the corrugated pipe drainage bottle, when digestive juice needs to be fed into the gastrointestinal tract again, gastric juice in the drainage bottle with the structure is easily polluted by the spring, and in addition, the existing negative pressure drainage bottle utilizes the spring in the corrugated pipe bottle to drive the bottle body to expand, so that negative pressure is generated to suck contents in the gastrointestinal tract of a patient; the negative pressure intensity of the drainage bottle of this kind of structure is lower, and after the drainage bottle expanded to a certain degree, the negative pressure intensity of ripple drainage bottle will reduce by a wide margin, and then loses the suction ability.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a can provide and last negative pressure ability, can avoid the intraductal spring of bellows to cause the negative pressure drainage ware for gastroenterology of pollution to intestines and stomach liquid again simultaneously

The utility model discloses a negative pressure drainage device for digestive system department, which comprises a drainage bottle, a negative pressure pipe, a drainage pipe and a manual vacuum pump; one end of the drainage tube is connected with the drainage port of the drainage bottle; the negative pressure pipe is connected between the vacuum joint of the manual vacuum pump and the negative pressure port of the drainage bottle;

the manual vacuum pump comprises an air suction cylinder, a base fixed at the bottom of the air suction cylinder, a piston in sliding fit in the air suction cylinder, a piston rod connected to the piston, a handle fixed at the upper end of the piston rod and a vacuum joint arranged on the base; an exhaust port and an airflow channel communicated with the inner cavity of the air pump cylinder, the vacuum joint and the exhaust port are arranged in the base; and one-way valves are arranged in the vacuum joint and the exhaust port.

Furthermore, the top of the drainage bottle is also provided with a negative pressure elastic indicating cap communicated with the inner cavity of the drainage bottle; the negative pressure elastic indicating cap is a corrugated pipe made of elastic materials.

Further, a pipe clamp is sleeved outside the drainage pipe; the pipe clamp is provided with a strip-shaped groove for the drainage pipe to pass through; the width of the strip-shaped groove is gradually reduced from one end to the other end.

Furthermore, the outer end of the drainage tube is provided with a tower-shaped joint; the tower joint comprises a plurality of connecting columns which are coaxially stacked and have sequentially reduced outer diameters.

Furthermore, the manual vacuum pump further comprises a return spring which is sleeved outside the piston rod and elastically ejected between the upper end of the air pumping cylinder and the piston.

Furthermore, negative pressure is pre-pumped in the drainage bottle, and the negative pressure port and the drainage port are both provided with control valves for opening and closing the controllers.

The utility model has the advantages that: when the negative pressure drainage device for the digestive system department is used, the handle is pulled upwards to drive the piston rod and the piston to move upwards, and when the piston moves upwards, negative pressure is formed in the air pump cylinder, and then gas in the drainage bottle enters the inner cavity of the air pump cylinder through the vacuum joint and the airflow channel, so that negative pressure is formed in the drainage bottle; so that gastric juice can enter the drainage bottle through the stomach tube and the drainage tube; when the handle is pressed down, the gas in the air pumping cylinder is exhausted through the exhaust port at the bottom of the base; the utility model discloses a drainage device does not set up the spring in the drainage bottle, therefore gastric juice can not cause the pollution with the spring contact, pumps the drainage bottle through manual pump bowl in addition, can make and keep the negative pressure that lasts in the drainage bottle.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the drainage bottle of the present invention;

fig. 3 is a schematic structural view of the tower joint of the present invention;

fig. 4 is a schematic structural view of the pipe clamp of the present invention;

fig. 5 is a schematic view of the internal structure of the manual vacuum pump of the present invention;

FIG. 6 is a cross-sectional view of the negative pressure port and the drainage port of the second embodiment of the present invention in an opened state and a closed state;

fig. 7 is a cross-sectional view of a control sleeve according to a second embodiment of the present invention.

Detailed Description

Example one

As shown in the figure, the negative pressure drainage device for the department of gastroenterology of the embodiment comprises a drainage bottle 4, a negative pressure tube 5, a drainage tube 6 and a manual vacuum pump 7; one end of the drainage tube 6 is connected with the drainage port of the drainage bottle 4, and the other end of the drainage tube can be connected with a stomach tube; the negative pressure pipe 5 is connected between the vacuum joint 77 of the manual vacuum pump 7 and the negative pressure port of the drainage bottle 4;

the manual vacuum pump 7 comprises an air suction cylinder, a base 76 fixed at the bottom of the air suction cylinder, a piston 74 in sliding fit in the air suction cylinder, a piston rod 72 connected with the piston 74, a handle 71 fixed at the upper end of the piston rod 72 and a vacuum joint 77 arranged on the base 76; an exhaust port 75 and an air flow channel communicated with the inner cavity of the suction cylinder, the vacuum joint 77 and the exhaust port 75 are arranged in the base 76; one-way valves are arranged in the vacuum joint 77 and the exhaust port 75; wherein the one-way valve in the vacuum fitting 77 only allows gas to enter the fitting and the one-way valve in the exhaust port 75 only allows gas to exit; as shown in fig. 4, the handle 71 is fixedly connected with the upper end of the piston rod 72 through threads; the lower end of the piston rod 72 is integrally formed with a mounting column with external threads; the piston 74 is a cylinder structure with an opening at the upper part, a central hole for the mounting column to pass through is arranged at the middle part of the piston 74, a nut is screwed on the mounting column, and the piston 74 is positioned between the lower end surface of the piston rod 72 and the upper end surface of the nut through the nut; the lower end of the mounting column can be fixed with a rubber pad, so that the lower end of the mounting column can be prevented from rigidly impacting the lower end of the air pumping cylinder; a plurality of sealing rings can be sleeved on the outer cylindrical surface of the cylindrical piston 74 to ensure air tightness; the vacuum joint 77 attached to the base 76 is formed with a plurality of cones having the largest outer diameter larger than the inner diameter of the negative pressure pipe 5 and the smallest outer diameter smaller than the inner diameter of the negative pressure pipe 5, so that the negative pressure pipe 5 and the vacuum joint 77 are fitted to each other and, at the same time, the airtightness is ensured by the interference fit of the cones and the negative pressure pipe 5.

When the vacuum suction device is used, the handle 71 is pulled upwards to drive the piston rod 72 and the piston 74 to move upwards, as shown in fig. 4, when negative pressure is formed in the suction tube when the piston 74 moves upwards, gas in the drainage bottle 4 enters the inner cavity of the suction tube through the vacuum joint 77 and the air flow channel, so that negative pressure is formed in the drainage bottle 4; so that gastric juice can enter the drainage bottle 4 through the stomach tube and the drainage tube 6; when the handle 71 is pressed down, the gas in the suction cylinder is exhausted through an exhaust port 75 at the bottom of the base 76; the drainage ware in this embodiment does not set up spring 73 in drainage bottle 4, and consequently the gastric juice can not cause the pollution with the contact of spring 73, pumps drainage bottle 4 through manual aspiration tube in addition, can make and keep lasting negative pressure in the drainage bottle 4.

In this embodiment, the top of the drainage bottle 4 is also provided with a negative pressure elastic indicating cap communicated with the inner cavity thereof; the negative pressure elastic indicating cap is a corrugated pipe made of elastic materials, when negative pressure exists in the drainage bottle 4, the negative pressure elastic indicating cap is in a contraction state, and the larger the negative pressure is, the tighter the contraction is, so that the negative pressure in the drainage bottle 4 can be judged through the elastic indicating cap straight pipe; the top of the drainage bottle 4 is also provided with a hanging plate 41, the hanging plate 41 is provided with a through hole for the hanging rope 3 to pass through, a filter screen is arranged in the negative pressure port 42 of the drainage bottle 4, or filter materials such as sponge 43 can prevent gastrointestinal contents from being sucked into the vacuum pump to a certain degree.

In this embodiment, the tube clamp 2 is sleeved outside the drainage tube 6; the pipe clamp 2 is provided with a strip-shaped groove 21 through which the drainage pipe 6 passes; the width of the strip-shaped groove 21 is gradually reduced from one end to the other end; as shown in FIG. 3, when the drainage tube 6 is located at the large end of the strip-shaped groove, the overflowing section of the drainage tube 6 is the largest, and when the drainage flow rate needs to be controlled or the drainage is interrupted, the drainage tube 6 can slide towards the small end of the strip-shaped groove 21, so that the overflowing section of the drainage tube 6 is reduced by pressing.

In this embodiment, the outer end of the drainage tube 6 is provided with a tower-shaped joint 1; tower type connects 1 includes that a plurality of coaxial stacks up, and the spliced pole that the external diameter order reduces, as shown in fig. 2, the outer wall of spliced pole can mark the external diameter value of spliced pole, can match with the stomach tube of different internal diameters through the spliced pole of different diameters, and then has improved the commonality that connects.

In this embodiment, the manual vacuum pump 7 further includes a return spring 73 externally sleeved on the piston rod 72 and elastically ejected between the upper end of the suction cylinder and the piston 74, when the piston rod 72 moves upward to the limit position, the user releases the handle 71, and the piston 74 moves downward under the driving of the return spring 73, so as to finally complete the return of the piston 74.

Example two

The negative pressure port and the drainage port in the first embodiment are normally open; in the embodiment, negative pressure is pre-pumped in the drainage bottle, the drainage bottle is made of the existing high polymer material and is of a hard structure, the negative pressure port and the drainage port are both provided with control valves for opening and closing by a controller, negative pressure is pre-pumped in the drainage bottle, then the negative pressure port and the drainage port are closed by the control valves, when the drainage bottle is used, the drainage tube is firstly connected into the drainage port, and then the control valve of the drainage port is opened for drainage; when the negative pressure is not enough, can insert manual vacuum pump with the negative pressure mouth, then open the control valve of negative pressure mouth, utilize manual vacuum pump to take out the negative pressure to the drainage bottle.

As shown in fig. 6, which is a schematic structural view of the negative pressure port and the drainage port of the present embodiment, the negative pressure port and the drainage port are both cylindrical ports 83 fixedly disposed on the top of the drainage bottle; the top of the cylindrical connector is closed, and the opening of the cylindrical connector is arranged on the side wall of the cylindrical connector; the control valve comprises a control sleeve 81 sleeved outside the cylindrical interface, and a boss 84 is arranged on the inner circular surface of the control sleeve 81; the bottom of the inner circle of the control sleeve 81 is also provided with a limit convex ring 82, and the outer circle of the bottom of the cylindrical connector is provided with a ring groove matched with the limit convex ring 82; therefore, the control sleeve 81 can only rotate without coming out; when the control sleeve 81 rotates to enable the boss 84 of the inner circle to block the opening part of the side wall of the cylindrical connector, the closing of the negative pressure port and the drainage port is realized, otherwise, the negative pressure port and the drainage port are opened.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims

1. The utility model provides a negative pressure drainage ware for gastroenterology which characterized in that: comprises a drainage bottle, a negative pressure pipe, a drainage pipe and a manual vacuum pump; one end of the drainage tube is connected with the drainage port of the drainage bottle; the negative pressure pipe is connected between the vacuum joint of the manual vacuum pump and the negative pressure port of the drainage bottle;

2. The negative pressure drainage device for the department of gastroenterology according to claim 1, wherein: the top of the drainage bottle is also provided with a negative pressure elastic indicating cap communicated with the inner cavity of the drainage bottle; the negative pressure elastic indicating cap is a corrugated pipe made of elastic materials.

3. The negative pressure drainage device for the department of gastroenterology according to claim 2, wherein: the drainage tube is externally sleeved with a tube clamp; the pipe clamp is provided with a strip-shaped groove for the drainage pipe to pass through; the width of the strip-shaped groove is gradually reduced from one end to the other end.

4. The negative pressure drainage device for the department of gastroenterology of claim 3, wherein: the outer end of the drainage tube is provided with a tower-shaped joint; the tower joint comprises a plurality of connecting columns which are coaxially stacked and have sequentially reduced outer diameters.

5. The negative pressure drainage device for the department of gastroenterology of claim 4, wherein: the manual vacuum pump further comprises a return spring which is sleeved outside the piston rod and elastically ejected between the upper end of the air extraction cylinder and the piston.

6. The negative pressure drainage device for the department of gastroenterology of claim 4, wherein: the drainage bottle is internally pre-pumped with negative pressure, and the negative pressure port and the drainage port are both provided with control valves for opening and closing the controllers.