CN217548648U

CN217548648U - Negative pressure device with metering and fixing functions

Info

Publication number: CN217548648U
Application number: CN202221076455.8U
Authority: CN
Inventors: 韦超; 周海燕
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-11
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a negative pressure device with measurement and fixed function, including measurement fixer and negative pressure drainage ware, wherein, the measurement fixer includes spring scale structure, the heavy alarm of meter and fixation clamp, the measurement fixer has the casing, and the spring scale structure includes spring, pointer, first couple and measurement calibrated scale, and inside the spring was located the casing, first couple one end passed the casing bottom after connect on the spring, and the negative pressure drainage ware is connected to the first couple other end, and the measurement calibrated scale is located the casing openly, and the heavy alarm of meter includes the speaker and is used for controlling the opto-coupler switch of speaker sound production, and the opto-coupler switch setting is on the measurement calibrated scale. The utility model discloses under the condition that need not pour liquid from the drainage ware, the direct accurate liquid volume of measuration drainage play carries out the early warning to the liquid volume, realizes the accurate aassessment of drainage liquid volume, can also effectively fix the negative pressure drainage ware on one's body at the patient simultaneously.

Description

Negative pressure device with metering and fixing functions

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a negative pressure device with metering and fixing functions for drainage in gastrointestinal decompression operation.

Background

The gastrointestinal decompression is to insert a stomach tube (drainage tube) from a nasal cavity by utilizing the principles of negative pressure suction and siphon, and to drain accumulated liquid or accumulated gas accumulated in the gastrointestinal tract to the outside of the body through the stomach tube (drainage tube), thereby reducing the pressure in the gastrointestinal tract, reducing the degree of gastrointestinal distension, improving the blood circulation of the gastrointestinal wall, and being commonly applied to patients with gastric cancer surgery, digestive tract obstruction and the like.

In clinical application, gastrointestinal decompression usually adopts a negative pressure drainage device to conduct drainage, a drainage tube is inserted into the stomach from the nasal cavity, negative pressure of the negative pressure drainage device is adopted or the negative pressure drainage device is connected with a negative pressure device to generate negative pressure to conduct negative pressure suction on the gastrointestinal tract, and effusion or pneumatosis is sucked into the compressible bottle body. After negative pressure drainage ware drainage one end time, pour out through the drainage liquid with in the negative pressure drainage ware and carry out the measurement of liquid measure quantity cup, perhaps experienced medical personnel carry out the weight evaluation of the liquid volume in the negative pressure drainage ware of drainage liquid of eyeballing. Therefore, there are cases where the operation is inconvenient or the measurement is inaccurate, thereby affecting the evaluation and judgment of the disease.

And, the negative pressure drainage ware of present clinical use can't be fixed, is that the nurse connects negative pressure drainage ware and a clothes clip with the string usually, presss from both sides the clothes clip fixed a little on patient's clothes, during the patient activity, unexpected circumstances such as slippage easily take place.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem among the prior art, design a section and have the negative pressure device of measurement function and fixed function concurrently. Not only can be used for accurately evaluating the drainage liquid amount, but also has the function of effectively fixing the negative pressure drainage device.

In order to achieve the above purpose, the utility model is realized by the following technical scheme.

The utility model provides a negative pressure device with measurement and fixed function, includes measurement fixer and negative pressure drainage ware, wherein, the measurement fixer includes spring balance structure, heavy alarm of meter and fixation clamp, the measurement fixer has the casing, and the spring balance structure includes spring, pointer, first couple and measurement calibrated scale, and inside the spring was located the casing, first couple one end passed the casing bottom after connect on the spring, negative pressure drainage ware was connected to the first couple other end, and the measurement calibrated scale is located the casing openly, and the heavy alarm of meter includes the speaker and is used for controlling the opto-coupler switch of speaker sound production, and the opto-coupler switch setting is on the measurement calibrated scale.

The further technical scheme is as follows: the metering dial is provided with scales, and the pointer is positioned on the surface of the metering dial and used for indicating scale values.

The further technical scheme is as follows: the optical coupling switch is arranged at a preset indicating value on the metering dial, the pointer sweeps the optical coupling switch to trigger the optical coupling switch, and the loudspeaker gives out sound to give an alarm.

The further technical scheme is as follows: the metering dial is also provided with a plurality of preset indicating values, and an optical coupling switch is arranged at each preset indicating value; the optical coupling switches are turned on simultaneously or not.

The further technical scheme is as follows: the fixing clamp comprises a first clamping arm, a second clamping arm, a rotating shaft and a second spring sleeved on the rotating shaft, the first clamping arm is further provided with an extension section, and the first clamping arm and the extension section are fixedly connected to the back of the shell.

The further technical scheme is as follows: the metering fixer also comprises a second hook which is positioned at the top of the shell.

The further technical scheme is as follows: the back of the shell is provided with a groove for accommodating the second hook.

The further technical scheme is as follows: the loudspeaker is arranged on the back of the shell.

The further technical scheme is as follows: the negative pressure drainage device comprises a compressible bottle body, an opening with a cover body and a drainage tube, wherein one end of the drainage tube is fixed on the compressible bottle body.

The utility model has the advantages that:

the utility model discloses a negative pressure device with measurement and fixed function under the condition that need not pour liquid from the drainage ware, the direct accurate liquid volume of measurationing the drainage and carrying out the early warning to the liquid volume, realizes the accurate aassessment of drainage liquid volume, can also effectively fix the negative pressure drainage ware on one's body at the patient simultaneously. The cost of manpower resources is saved, and the workload and the fatigue of medical staff are reduced.

Drawings

FIG. 1 is a schematic structural view of a negative pressure device with metering and fixing functions according to the present invention;

FIG. 2 is a schematic structural view of the front side of the metering fixture of the present invention;

FIG. 3 is a schematic view of the back of the measuring fixture of the present invention;

FIG. 4 is a schematic view of the negative pressure device with metering and fixing functions;

fig. 5 is a schematic structural view of the fixing clip of the present invention;

fig. 6 is a schematic diagram of a module circuit of the optocoupler switch of the present invention.

In the figure:

100. the negative pressure device with the metering and fixing functions comprises a negative pressure device with the metering and fixing functions, 10, a metering fixer, 20, a negative pressure drainage device, 11, a second hook, 12, a first hook, 13, a shell, 19, a metering dial, 14, scales, 15, an optical coupling switch, 16, a pointer, 21, a drainage tube, 22, a cover body, 23, a connecting hook, 24, a compressible bottle body, 25, an opening, 111, a groove, 112, a rotating rod, 18, a fixing clamp, 181, a first clamping arm, 182, a second clamping arm, 183, a rotating shaft, 184, a second spring, 185, an extending section, 17, a battery, 151, a loudspeaker and 200 patients.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are presented, the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, the utility model discloses a negative pressure device 100 with measurement and fixed function is provided with measurement fixer 10 and negative pressure drainage device 20, and negative pressure drainage device 20 is connected on measurement fixer 10, makes negative pressure drainage device 20 when being measured the fixer 10 meter heavy, still makes negative pressure drainage device 20 relatively fixed on one's body the patient through measurement fixer 10, has guaranteed that the drainage tube is difficult for coming off from the nasal cavity, has guaranteed the safety of drainage.

The metering holder 10 comprises a spring scale arrangement, an alarm opto-coupler switch 15 and a retaining clip 18. Specifically, the metering holder has a housing 13, and a spring scale structure including a spring, a pointer 16, a first hook 12, and a metering scale 19 (the same as the spring scale structure of the prior art, such as a tension-type hand-held spring scale). The metering scale 19 is positioned on the front face of the housing 13 of the metering holder, a circle of scales 14 is arranged on the metering scale 19, and the pointer 16 is positioned on the surface of the metering scale 19 and is used for indicating weight. The spring is arranged in the shell 13, and the first hook 12 passes through a hole at the bottom of the shell 13 and then is connected to the spring. The first hook 12 is connected with a negative pressure drainage device. The negative pressure drainage device 20 comprises a compressible bottle body 24 and an opening 25, a cover body 22 for sealing the opening is arranged on the opening, a drainage tube 21 is connected to the compressible bottle body 24, and specifically, one end of the drainage tube 21 is fixed on the compressible bottle body 24. The top of the negative pressure drainage device 20 is provided with a connecting hook 23, and the connecting hook 23 is hung on the first hook 12, so that the negative pressure drainage device 20 is connected with the weighing fixer 10.

The fixing clip 18 is fixed to the back of the housing 13 of the weighing fixture 10. The fixing clip 18 includes a first clip arm 181, a second clip arm 182, a rotating shaft 183, a second spring 184 sleeved on the rotating shaft, and an extension section 185 at the tail of the first clip arm, wherein the first clip arm and the extension section are fixedly connected to the back of the housing 13. For example, the tail of the first clamping arm 181 and the extension 185 are locked to the back of the housing 13 by bolts. The rotating shaft and the second spring are arranged in the middle of the first clamping arm and the second clamping arm, the head of the first clamping arm and the head of the second clamping arm are clamped together in an initial state, and two sides of an included angle formed by the first clamping arm and the second clamping arm extend towards the tail. During the use, press the afterbody of second arm lock, under pivot and second spring action, first arm lock head is kept away from to second arm lock head and forms the intermediate space, removes patient's clothes department with the intermediate space, makes the clothes be located the intermediate space, loosens the afterbody of second arm lock, and first arm lock head presss from both sides with second arm lock head and is in the same place, presss from both sides the clothes, makes weighing fixer 10 fix on patient 200 clothes.

The utility model discloses negative pressure device 100 with measurement and fixed function still includes the heavy alarm of meter, and when the hydrops that negative pressure drainage ware 20 was collected reached the weight that sets up in advance, the heavy alarm of meter sent out alarm sound, reminds patient medical staff in time to change negative pressure drainage ware 20 or empty the hydrops in the negative pressure drainage ware 20 to it continues work, and does not influence patient's travelling comfort. The weighing alarm comprises a loudspeaker 151 and an optocoupler switch 15 for controlling the sounding of the loudspeaker. The optical coupling switch is arranged on the metering dial at a preset indicating value, such as two hundred grams or three hundred grams. The indicator value corresponds to a scale value. When the weight of the accumulated liquid in the negative pressure drainage device 20 reaches or exceeds the preset indicated value, the pointer 16 sweeps the optical coupling switch 15, so that the optical coupling switch is triggered to cause the loudspeaker to make a sound to give an alarm. In order to make the utility model discloses negative pressure equipment device 100 with measurement and fixed function can be applicable to different warning threshold values, also can set up a plurality of indicated values that correspond with the scale on measurement calibrated scale 19, respectively set up an opto-coupler switch in every indicated value department respectively, and can set up selectively that wherein one or more opto-coupler switches are for opening the state (when pointer 16 sweeps the time, opto-coupler switch is triggered), and set up other opto-coupler switches into off-state (when pointer 16 sweeps the time, opto-coupler switch is not triggered), so just improved greatly the utility model discloses a practicality. In addition, different alarm sounds can be designed for different weights, for example, the weight value is directly reported, or the volume of the sound is gradually increased or the sound is gradually changed from light to heavy according to the weight. The opto-coupler switch is powered by a battery, and the speaker 151 and the battery 17 are provided on the back of the housing 13.

The specific design principle is shown in fig. 6, and includes a chip Q1 as an optocoupler switch 15, a comparator U1A, a speaker BL, a resistor, a capacitor, and a triode; the chip Q1 is an optocoupler switch 15 which can be switched on and off through light, the No. 2 and No. 6 ends of the chip Q1 and one end of a capacitor C11 are connected with 5V voltage, the No. 5 end of the chip Q1 is connected with the other end of the capacitor C11, one end of a capacitor C12 and one end of a resistor R10, and the No. 3 end of the chip Q1 is connected with the other end of the capacitor C12, the other end of the resistor R10 and the No. 5 end of a comparator U1A;

the end 1 of the comparator U1A is grounded with one end of the resistor R12 and one end of the loudspeaker BL, the end 4 of the comparator U1A is connected with one end of the resistor R11 and the other end of the resistor R12, the end 3 of the comparator U1A is grounded with the other end of the resistor R11, one end of the capacitor C13 and one end of the resistor R13, and the other end of the capacitor C13 is grounded; the No. 2 end of the comparator U1A is connected with the other end of the resistor R13, one end of the resistor R15 and one end of the resistor R14, and the other end of the resistor R14 is connected with the other end of the loudspeaker BL; the other end of the resistor R15 is connected with one end of the resistor R16 and the base electrode of the triode Q2, the emitting electrode of the triode Q2 is grounded with the other end of the resistor R16, the collecting electrode of the triode Q2 is connected with one end of the resistor R17, and the other end of the resistor R17 is connected with 5V voltage. It should be noted that the chip type and the pins in the present solution can be adjusted according to the actually adopted chip, and are not limited. Other module components not described in detail can be implemented using conventional techniques, such as power supply circuitry not shown.

The top of the shell is provided with a second hook 11 for extracting the weight-measuring fixer 10 during measuring and bearing. The utility model discloses in, be equipped with the recess 111 that holds the second couple at the casing 13 back. For example, when the second hook 11 is not used, the second hook 11 can be rotated along the rotating rod 112 to rotate the second hook 11 into the groove 111 for storage.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a negative pressure device with measurement and fixed function, its characterized in that, includes measurement fixer and negative pressure drainage ware, and wherein, the measurement fixer includes spring scale structure, heavy alarm of meter and fixation clamp, the measurement fixer has the casing, and the spring scale structure includes spring, pointer, first couple and measurement calibrated scale, and the spring is located inside the casing, and first couple one end is passed and is connected on the spring behind the casing bottom, and negative pressure drainage ware is connected to the first couple other end, and the measurement calibrated scale is located the casing openly, and the heavy alarm of meter includes the speaker and is used for controlling the opto-coupler switch of speaker sound production, and the opto-coupler switch setting is on the measurement calibrated scale.

2. The negative pressure device with metering and fixing functions as claimed in claim 1, wherein the metering scale is provided with scales, and a pointer is positioned on the surface of the metering scale for indicating the scale value.

3. The negative pressure device with the functions of metering and fixing as claimed in claim 2, wherein the optical coupling switch is arranged at a preset indicating value on the metering dial, the pointer sweeps across the optical coupling switch to trigger the optical coupling switch, and the speaker makes a sound to give an alarm.

4. A negative pressure device with measuring and fixing functions as claimed in claim 3, wherein the measuring dial is further provided with a plurality of preset indication values, and an optical coupling switch is arranged at each preset indication value; the optical coupling switches are turned on simultaneously or not.

5. The vacuum device with metering and fixing functions as claimed in any one of claims 1 to 4, wherein the fixing clip comprises a first clip arm, a second clip arm, a rotating shaft, a second spring sleeved on the rotating shaft, the first clip arm further has an extension section, wherein the first clip arm and the extension section are fixedly connected to the back of the housing.

6. The negative pressure device with metering and fixing functions as claimed in claim 1, wherein the metering fixer further comprises a second hook, and the second hook is positioned on the top of the shell.

7. The negative pressure device with metering and fixing functions as claimed in claim 6, wherein a groove for accommodating the second hook is provided on the back of the housing.

8. The negative pressure device with metering and fixing functions as claimed in claim 1, wherein the speaker is disposed on the back of the housing.

9. The negative pressure device with metering and fixing functions of claim 1, wherein the negative pressure drainage device comprises a compressible bottle body, an opening with a cover body, and a drainage tube, wherein one end of the drainage tube is fixed on the compressible bottle body.