CN213911650U

CN213911650U - Negative pressure drainage ball

Info

Publication number: CN213911650U
Application number: CN202022510548.4U
Authority: CN
Inventors: 宣沁
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-10
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a negative pressure drainage ball, including drainage tube and drainage gasbag, still include the three-way valve, be equipped with gasbag gas outlet, gasbag air inlet and drainage liquid export on the drainage gasbag, drainage liquid exit department is equipped with the sealing plug, gasbag air inlet department is equipped with the check valve of opening from the extroversion to the inside, the three export of three-way valve links to each other with gasbag gas outlet, pressure monitoring device and drainage tube respectively, forms two routes: comprises a first passage for communicating the drainage air bag to the pressure monitoring device and a second passage for communicating the drainage air bag to the drainage tube. The utility model can control the negative pressure and adapt to the illness state and the bearing capacity of the patient. Additionally, the utility model discloses at the tip coating anti-freezing medicine of drainage tube, because anti-freezing medicine's slow release, can prevent to have the clot in the hydrops, avoid the drainage tube to block up.

Description

Negative pressure drainage ball

Technical Field

The utility model belongs to the technical field of medical science, concretely relates to negative pressure drainage ball.

Background

The surgical negative pressure ball has the functions of draining operation hematocele, estimating bleeding volume, exhausting and draining fluid, preventing infection, promoting wound healing and the like, and is widely applied to postoperative patients of orthopedics, neurosurgery, gastrointestinal surgery, thoracic surgery and the like. When nursing a patient who places the negative pressure ball, regularly empty the drainage liquid, record drainage liquid nature, drainage volume, keep the drainage unobstructed. But negative pressure can not be detected, if the negative pressure is too large, the pericardial cavity wall is easy to be sucked in the drainage process, and the patient is uncomfortable. In addition, the drainage tube is easy to block due to the clot in the drainage liquid, and the drainage device does not work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a negative pressure drainage ball, can effectual monitoring gasbag pressure, reasonable control negative pressure, drainage tube tip can release anti-freezing medicine simultaneously, prevents to produce the clot, avoids drainage device to block up.

For solving the technical problem, the embodiment of the utility model provides a negative pressure drainage ball, including drainage tube and drainage gasbag, still include the three-way valve, be equipped with gasbag gas outlet, gasbag air inlet and drainage liquid export on the drainage gasbag, drainage liquid exit department is equipped with the sealing plug, gasbag air inlet department is equipped with the check valve of opening from outside to inside, the three export of three-way valve links to each other with gasbag gas outlet, pressure monitoring device and drainage tube respectively, forms two routes: comprises a first passage for communicating the drainage air bag to the pressure monitoring device and a second passage for communicating the drainage air bag to the drainage tube.

The one-way valve comprises a valve membrane, the valve membrane is arranged on the inner side of the air inlet of the air bag, and one side of the valve membrane is hinged with the side edge of the air inlet of the air bag.

The three-way valve comprises a valve shell and a valve inner core, wherein the valve inner core is coaxially sleeved on the inner side of the valve shell and can rotate around a central shaft relative to the valve shell, the valve inner core is hollow, the side walls of the valve shell and the valve inner core are respectively provided with 3 vent holes, and the two passages are formed after the 2 groups of vent holes rotate relatively and correspond to each other.

Preferably, 3 air vents on the side wall of the valve shell are uniformly distributed within 0-180 degrees, and 3 air vents on the side wall of the valve inner core are uniformly distributed within 0-180 degrees.

Wherein, pressure monitoring device includes shell, piston and pressure display strip, the export intercommunication of bronchus and three-way valve is passed through to the one end of shell, piston axial cunning locate the shell inboard and with shell sealing connection, the one side and the pressure display strip fixed connection of keeping away from the bronchus of piston, the pressure display strip stretches out from the other end of shell, be equipped with the pressure scale mark on the pressure display strip.

Wherein, setting: the end area of piston is S, and the length that the pressure display strip stretches out the shell under the pressure action is l, then fills the gas volume in the shell and be:

V=S*l；

the krebs equation is:

PV=nRT，

then: p =

；

Wherein P is the pressure of the gas filled in the housing, and V is the volume of the gas filled in the housing.

Wherein, the inner side of the end part of the drainage tube far away from the drainage air bag is coated with an anticoagulant medicine layer.

Wherein the anticoagulant medicament used in the anticoagulant medicament layer comprises the following components:

8-12 g of ligusticum wallichii;

6-10 g of earthworm;

8-12 g of uncaria;

adjuvant drugs: 3-6 g of nutgrass galingale rhizome.

Preferably, the anticoagulant drug comprises the following components:

9 g of ligusticum wallichii;

8 g of earthworm;

9 g of uncaria;

adjuvant drugs: 5 g of nutgrass galingale rhizome.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the utility model discloses at first link to each other pressure monitoring device and drainage gasbag through the three-way valve, extrude the drainage gasbag, in gas fills the shell of pressure monitoring device, promote the piston and remove to the pressure monitoring strip and stretch out to set for the position, cut off the route between drainage gasbag and the pressure monitoring device through the three-way valve, form the negative pressure of corresponding value in the drainage gasbag this moment, through three-way valve intercommunication drainage tube and drainage gasbag, with hydrops in the pericardial cavity etc. inhale the drainage gasbag in, accomplish the drainage operation under the specific negative pressure. The utility model can control the negative pressure and adapt to the illness state and the bearing capacity of the patient. Additionally, the utility model discloses at the tip coating anti-freezing medicine of drainage tube, because anti-freezing medicine's slow release, can prevent to have the clot in the hydrops, avoid the drainage tube to block up.

Drawings

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

FIG. 2 is an enlarged view of the check valve according to the first embodiment;

FIG. 3 is an enlarged view of the three-way valve according to the first embodiment;

FIG. 4 is an enlarged view of a pressure monitoring device according to an embodiment;

figure 5 is an enlarged view of the structure of the anticoagulant layer in the first embodiment.

Description of reference numerals:

1. a drainage tube; 2. a drainage balloon; 3. a three-way valve; 300. a valve housing; 301. a valve inner core; 4. a sealing plug; 5. a one-way valve; 6. a pressure monitoring device; 600. a housing; 601. a piston; 602. a pressure display bar; 7. an anticoagulant layer.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model provides a negative pressure drainage ball, including drainage tube 1 and drainage gasbag 2, still include three-way valve 3, be equipped with gasbag gas outlet, gasbag air inlet and drainage liquid export on the drainage gasbag 2, drainage liquid exit department is equipped with sealing plug 4, gasbag air inlet department is equipped with the check valve 5 of opening from the outside to the inside, three export of three-way valve 3 links to each other with gasbag gas outlet, pressure monitoring device 6 and drainage tube 1 respectively, forms two routes: comprises a first passage for communicating the drainage air bag 2 to the pressure monitoring device 6 and a second passage for communicating the drainage air bag 2 to the drainage tube 1.

The one-way valve and the three-way valve can be selected from the prior art, and the pressure monitoring device can refer to a pressure display device used by a Smith pressurizing bag.

The check valve, the three-way valve and the pressure monitoring device may also adopt the following configurations.

As shown in fig. 2, the check valve 5 includes a valve membrane disposed inside the air bag inlet, and one side of the valve membrane is hinged to a side edge of the air bag inlet.

As shown in fig. 3, the three-way valve 3 includes a valve housing 300 and a valve core 301, the valve core 301 is coaxially sleeved inside the valve housing 300 and can rotate around a central axis relative to the valve housing 300, the valve core 301 is hollow, the side walls of the valve housing 300 and the valve core 301 are respectively provided with 3 vent holes, and 2 sets of the vent holes are correspondingly rotated to form the two passages.

In this embodiment, 3 air vents on the side wall of the valve shell 300 are uniformly distributed in 0-180 degrees, and 3 air vents on the side wall of the valve inner core 301 are uniformly distributed in 0-180 degrees.

As shown in fig. 4, the pressure monitoring device 6 includes a housing 600, a piston 601 and a pressure display bar 602, one end of the housing 600 is communicated with an outlet of the three-way valve 3 through a bronchus, the piston 601 is axially slidably disposed inside the housing 600 and is hermetically connected with the housing 600, one side of the piston 601, which is far away from the bronchus, is fixedly connected with the pressure display bar 602, the pressure display bar 602 extends out from the other end of the housing 600, and the pressure display bar 602 is provided with a pressure scale mark.

Setting: the end area of piston is S, and the length that the pressure display strip stretches out the shell under the pressure action is l, then fills the gas volume in the shell and be:

V=S*l；

the krebs equation is:

PV=nRT，

then: p =

；

Wherein, the inner side of the end part of the drainage tube 1 far away from the drainage air bag is coated with an anticoagulant medicine layer 7.

The anticoagulant medicament used in the anticoagulant medicament layer comprises the following components:

9 g of ligusticum wallichii;

8 g of earthworm;

9 g of uncaria;

adjuvant drugs: 5 g of nutgrass galingale rhizome.

The utility model discloses a theory of operation does: the utility model discloses at first link to each other pressure monitoring device and drainage gasbag through the three-way valve, extrude the drainage gasbag, in gas fills the shell of pressure monitoring device, promote the piston and remove to the pressure monitoring strip and stretch out to set for the position, cut off the route between drainage gasbag and the pressure monitoring device through the three-way valve, form the negative pressure of corresponding value in the drainage gasbag this moment, through three-way valve intercommunication drainage tube and drainage gasbag, with hydrops in the pericardial cavity etc. inhale the drainage gasbag in, accomplish the drainage operation under the specific negative pressure. The utility model can control the negative pressure and adapt to the illness state and the bearing capacity of the patient. Additionally, the utility model discloses at the tip coating anti-freezing medicine of drainage tube, because anti-freezing medicine's slow release, can prevent to have the clot in the hydrops, avoid the drainage tube to block up.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a negative pressure drainage ball, includes drainage tube and drainage gasbag, its characterized in that still includes the three-way valve, be equipped with gasbag gas outlet, gasbag air inlet and drainage liquid export on the drainage gasbag, drainage liquid exit department is equipped with the sealing plug, gasbag air inlet department is equipped with the check valve of opening from outside to inside, the three export of three-way valve links to each other with gasbag gas outlet, pressure monitoring device and drainage tube respectively, forms two routes: comprises a first passage for communicating the drainage air bag to the pressure monitoring device and a second passage for communicating the drainage air bag to the drainage tube.

2. The negative pressure drainage ball of claim 1, wherein the one-way valve comprises a valve membrane disposed inside the air inlet of the balloon, and one side of the valve membrane is hinged to a side edge of the air inlet of the balloon.

3. The negative pressure drainage ball of claim 1, wherein the three-way valve comprises a valve housing and a valve core, the valve core is coaxially sleeved inside the valve housing and can rotate around a central shaft relative to the valve housing, the valve core is hollow, the side walls of the valve housing and the valve core are respectively provided with 3 vent holes, and 2 groups of the vent holes form the two passages after relative rotation is correspondingly performed.

4. The negative pressure drainage ball of claim 3, wherein 3 air holes are uniformly distributed in 0-180 degrees on the side wall of the valve shell, and 3 air holes are uniformly distributed in 0-180 degrees on the side wall of the valve inner core.

5. The negative pressure drainage ball according to claim 1, wherein the pressure monitoring device comprises a housing, a piston and a pressure display strip, one end of the housing is communicated with an outlet of the three-way valve through a bronchus, the piston is axially slidably arranged on the inner side of the housing and is hermetically connected with the housing, one side of the piston, which is far away from the bronchus, is fixedly connected with the pressure display strip, the pressure display strip extends out from the other end of the housing, and the pressure display strip is provided with pressure scale marks.