CN217245777U

CN217245777U - Negative pressure drainage bottle capable of adjusting pressure

Info

Publication number: CN217245777U
Application number: CN202220569180.5U
Authority: CN
Inventors: 谢峥
Original assignee: Zhongnan Hospital of Wuhan University
Current assignee: Zhongnan Hospital of Wuhan University
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-23
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a negative pressure drainage bottle of adjustable pressure relates to medical auxiliary instrument technical field, thereby has solved the problem that has the size of the unable accurate control drainage pressure of current negative pressure drainage in-process and causes the drainage effect relatively poor or have the potential safety hazard, and its technical scheme main points are: the air pressure adjusting device comprises a first part and a second part, wherein an air pressure detection meter and a negative pressure connecting port are fixedly installed on the side surface of the first part respectively, a liquid inlet is fixedly installed on the side surface of the second part, an air ball sleeve is fixedly installed in the first part, transparent glass columns which are vertically distributed are fixedly installed outside the first part, the air ball sleeve is communicated with the transparent glass columns, liquid is contained in the air ball sleeve, and an air pressure adjusting structure is arranged in the transparent glass columns; in the use, can the audio-visual definite drainage pressure size to this can guarantee that the drainage process is in the state of relative safety and effect preferred.

Description

Negative pressure drainage bottle capable of adjusting pressure

Technical Field

The utility model relates to a medical auxiliary instrument technical field, more specifically say, it relates to a negative pressure drainage bottle of adjustable pressure.

Background

The negative pressure drainage technology is mainly applied to various operations and essentially consists of two parts: pressure device and drainage bottle with communicate between pressure device and the drainage bottle, and extend a hose to focus department in the art on the drainage bottle, the principle is: the pressure device carries out vacuum pumping treatment in the drainage bottle, so that a certain air pressure difference exists between the interior of the drainage bottle and the tail end of the hose, and liquid such as effusion, blood and the like at the focus of the operation enters the drainage bottle under the action of the air pressure difference.

The size of the air pressure difference is a key factor for determining the drainage quality, excessive pressure can cause wound bleeding and drainage liquid increase, and insufficient pressure can cause unsmooth drainage.

However, in such a way, the pressure of the drainage process cannot be limited by the nature, but the flow speed of the liquid is limited, and in addition, medical staff cannot accurately determine the size of the drainage, so that the drainage effect cannot be accurately controlled, and therefore, in order to solve the problems, a negative pressure drainage bottle capable of adjusting the pressure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure drainage bottle of adjustable pressure, in the use, can audio-visually definite drainage pressure size to this can guarantee that the drainage process is in the state of relative safety and effect preferred.

The above technical purpose of the present invention can be achieved by the following technical solutions: the device comprises a first part and a second part, wherein an air pressure detection meter and a negative pressure connecting port are respectively and fixedly arranged on the side surface of the first part, and a liquid inlet is fixedly arranged on the side surface of the second part;

the balloon sleeve is fixedly mounted inside the first portion, the transparent glass columns which are vertically distributed are fixedly mounted outside the first portion, the balloon sleeve and the transparent glass columns are communicated, liquid is contained inside the balloon sleeve, and the air pressure adjusting structure is arranged inside the transparent glass columns.

Through adopting above-mentioned technical scheme, be provided with the balloon cover that is full of liquid among the overall structure and act as the structure of a restriction structure internal volume, it should explain that, the principle of negative pressure suction is: the air with a certain volume is pumped out, the liquid with the same volume is sucked in, the change of the internal volume of the whole structure is limited by limiting the volume of the balloon sleeve, so that the effect of regulating the pressure is limited, the drainage stability can be ensured, and the problem of potential safety hazards can be avoided.

The utility model discloses further set up to: the first part is arranged at the upper end of the second part, and the first part and the second part are in threaded connection.

Through adopting above-mentioned technical scheme, overall structure can freely dismantle, the hydrops of being convenient for clear up the collection.

The utility model discloses further set up to: the transversal oval of personally submitting of inlet, just the inside one end of inlet is provided with stifled ball, stifled ball one side fixed mounting has buffer spring, the inlet sets up on the circumference outer wall upper end position of second part, just the end of inlet is located the inside upper end of second part.

Through adopting above-mentioned technical scheme, the inlet comprises stifled ball and buffer spring, utilizes buffer spring's resilience force, realizes sealing and the switching between the intercommunication to the inlet.

The utility model discloses further set up to: the ball blocking edge is far away from one end of the second part, and the tail end of the buffer spring is installed at the other end of the interior of the liquid inlet.

Through adopting above-mentioned technical scheme, through the position that sets up of restriction stifled ball, guarantee that stifled ball is unanimous with the flow direction of negative pressure suction.

The utility model discloses further set up to: an outer protective cover is fixedly arranged inside the first part along the outer part of the balloon sleeve.

Through adopting above-mentioned technical scheme, because balloon cover material itself is rubber goods, on the one hand along with this structure rocks the influence stability, and the other party plays the effect of protection, prevents that the balloon cover from being pricked.

The utility model discloses further set up to: the air pressure adjusting structure comprises a piston block and a transmission rod fixed at the center of the upper surface of the piston block, the piston block is connected with the inner wall of the transparent glass column in a sliding mode, and the upper end of the transmission rod extends to the upper end of the transparent glass column and is connected with the transparent glass column in a sliding mode.

Through adopting above-mentioned technical scheme, the liquid of balloon cover inside can drive the piston piece and rise under the effect of pressure, feeds back the inside pressure variation of this structure through the displacement distance interval of piston piece.

The utility model discloses further set up to: the upper end of the transmission rod is in a dome shape, and a marking line groove is formed in the circumferential outer wall of the transmission rod.

By adopting the technical scheme, the liquid inlet volume can be directly displayed by utilizing the marking line groove, and the movement of the piston block can be freely controlled by the dome at the upper end of the transmission rod.

Compared with the prior art, the utility model discloses following beneficial effect has: this structure is based on the principle of negative pressure suction, and the principle of negative pressure suction does: the air of a certain volume is pumped out, so that the liquid with the same volume can be sucked, the essential is volume replacement in a closed space, so that the change of the volume in the structure is limited by the balloon sleeve, the function of adjusting the pressure is achieved, the pressure change in the negative pressure suction process can be freely controlled by medical staff, and the stability and the safety of the negative pressure suction are ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

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

fig. 2 is a split view of fig. 1 of the present invention;

FIG. 3 is a sectional view of the inlet member of the present invention;

fig. 4 is a cut-away view of a first part of the present invention.

Reference numbers and corresponding part names in the drawings:

1. a first portion; 2. a second portion; 3. a liquid inlet; 4. a negative pressure connector; 5. a transparent glass column; 6. an air pressure detection meter; 7. blocking the ball; 8. a buffer spring; 9. an outer protective cover; 10. a marking slot; 11. a piston block; 12. a transmission rod; 13. a balloon sleeve.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and accompanying fig. 1-4, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): a negative pressure drainage bottle capable of adjusting pressure comprises a first part 1 and a second part 2, wherein an air pressure detection meter 6 and a negative pressure connector 4 are fixedly installed on the side surface of the first part 1 respectively, and a liquid inlet 3 is fixedly installed on the side surface of the second part 2;

the inside fixed mounting of first portion 1 has balloon cover 13, just 1 outside fixed mounting of first portion has transparent glass post 5 that is vertical distribution, communicate between balloon cover 13 and the transparent glass post 5, just liquid has been held to balloon cover 13 inside, transparent glass post 5 is inside to be provided with atmospheric pressure and to adjust the structure.

As shown in fig. 2, the first part 1 is arranged at the upper end of the second part 2, and the first part 1 is in threaded connection with the second part 2.

As shown in fig. 1, 3 and 4, the cross section of the liquid inlet 3 is a transverse ellipse, a blocking ball 7 is arranged at one end inside the liquid inlet 3, a buffer spring 8 is fixedly arranged at one side of the blocking ball 7, the liquid inlet 3 is arranged at the upper end of the circumferential outer wall of the second part 2, the end of the liquid inlet 3 is arranged at the upper end inside the second part 2, the blocking ball 7 is arranged at one end far away from the second part 2, the tail end of the buffer spring 8 is arranged at the other end inside the liquid inlet 3, an outer protective cover 9 is fixedly arranged inside the first part 1 along the outside of a balloon sleeve 13, the air pressure adjusting structure comprises a piston block 11 and a transmission rod 12 fixed at the central position of the upper surface of the piston block 11, the piston block 11 is in sliding connection with the inner wall of the transparent glass column 5, the upper end of the transmission rod 12 extends to the upper end of the transparent glass column 5 and is in sliding connection with the transparent glass column 5, the upper end of the transmission rod 12 is in a dome shape, and the outer wall of the circumference of the transmission rod 12 is provided with a marking slot 10.

The working principle is as follows: firstly, the principle of negative pressure suction is pointed out, a closed space is formed by a first part 1 and a second part 2, a certain volume of air in the space is pumped out, pressure difference is generated between the inside and the outside of the space, and liquid or air with the same volume is sucked in under the action of the pressure difference, and the liquid or the air is essentially replaced by the volume;

therefore, in the using process, corresponding guide pipes are connected to the liquid inlet 3 and the negative pressure connecting port 4, at the moment, under the action of the buffer spring 8, the blocking ball 7 is blocked at one end of the liquid inlet 3, so that the blocking ball 7 is in a closed state, air in a closed space formed by the first part 1 and the second part 2 is pumped out through the negative pressure connecting port 4, the air pressure is sensed by the air pressure detecting meter 6 and is calibrated, in this state, the inside of the liquid inlet 3 is still in the closed state, and the medical staff press the transmission rod 12 to ensure that the piston block 11 cannot move, so that the air ball sleeve 13 cannot change in volume;

then, air is continuously pumped out, the pressure difference is larger than the elastic coefficient of the buffer spring 8, the liquid inlet 3 is in a circulation state, external liquid or gas enters the second part 2, but in the part, the external liquid or gas can be slowly sent to the transmission rod 12, the balloon sleeve 13 is reduced under the action of the pressure difference, the liquid in the balloon sleeve rises, the piston block 11 is driven to rise, the outside of the transmission rod 12 is exposed to the outside of the first part 1, and the pressure is fed back through the distance between the marking grooves 10;

in addition, when the pressure is too high and the suction is too fast, the transmission rod 12 can be slowly pressed downwards to drive the piston block 11 to move downwards, so as to limit the pressure.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A negative pressure drainage bottle capable of adjusting pressure is characterized by comprising a first part (1) and a second part (2), wherein an air pressure detection meter (6) and a negative pressure connector (4) are fixedly installed on the side surface of the first part (1) respectively, and a liquid inlet (3) is fixedly installed on the side surface of the second part (2);

first portion (1) inside fixed mounting has balloon cover (13), just first portion (1) outside fixed mounting has transparent glass post (5) that are vertical distribution, communicate between balloon cover (13) and transparent glass post (5), just inside liquid of having held of balloon cover (13), transparent glass post (5) inside is provided with atmospheric pressure and adjusts the structure.

2. The negative pressure drainage bottle with the adjustable pressure as claimed in claim 1, wherein the first part (1) is arranged at the upper end of the second part (2), and the first part (1) is in threaded connection with the second part (2).

3. The negative pressure drainage bottle with the adjustable pressure as claimed in claim 1, wherein the cross section of the liquid inlet (3) is in a transverse oval shape, a ball stopper (7) is arranged at one end inside the liquid inlet (3), a buffer spring (8) is fixedly arranged on one side of the ball stopper (7), the liquid inlet (3) is arranged at the upper end of the outer wall of the circumference of the second part (2), and the tail end of the liquid inlet (3) is arranged at the upper end inside the second part (2).

4. The negative pressure drainage bottle with the adjustable pressure as claimed in claim 3, wherein the blocking ball (7) is arranged at one end far away from the second part (2), and the buffer spring (8) is arranged at the other end of the inner part of the liquid inlet (3).

5. The negative pressure drainage bottle with the adjustable pressure as claimed in claim 1, wherein an outer protective cover (9) is fixedly arranged inside the first part (1) along the outer part of the balloon sleeve (13).

6. The negative pressure drainage bottle capable of adjusting pressure as claimed in claim 1, wherein the air pressure adjusting structure comprises a piston block (11) and a transmission rod (12) fixed at the central position of the upper surface of the piston block (11), the piston block (11) is slidably connected with the inner wall of the transparent glass column (5), and the upper end of the transmission rod (12) extends to the upper end of the transparent glass column (5) and is slidably connected with the transparent glass column (5).

7. The negative pressure drainage bottle with the adjustable pressure as claimed in claim 6, wherein the upper end of the transmission rod (12) is dome-shaped, and a marking slot (10) is formed on the outer circumferential wall of the transmission rod (12).