CN215875690U - Pinch valve structure and medical negative pressure wound therapeutic instrument with same - Google Patents
Pinch valve structure and medical negative pressure wound therapeutic instrument with same Download PDFInfo
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- CN215875690U CN215875690U CN202121244551.4U CN202121244551U CN215875690U CN 215875690 U CN215875690 U CN 215875690U CN 202121244551 U CN202121244551 U CN 202121244551U CN 215875690 U CN215875690 U CN 215875690U
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- clamp
- pinch valve
- valve structure
- pressure wound
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Abstract
The utility model relates to a pinch valve structure and a medical negative pressure wound therapeutic apparatus with the same, wherein the pinch valve structure comprises a motor frame, a plurality of strip openings and a plurality of elastic pieces, wherein the motor frame is arranged in the medical negative pressure wound therapeutic apparatus and corresponds to the strip openings arranged on the shell of the medical negative pressure wound therapeutic apparatus; the clamp fixing part is fixedly arranged on the motor frame; the clamp movable part is slidably arranged on the motor frame and mutually matched with the clamp fixed part to clamp the pipeline; the resetting mechanism is arranged on the motor frame and connected with the movable part of the clamp to drive the movable clamping piece to move towards the fixed part of the clamp; the power device is arranged on the motor frame and is connected with an eccentric part; and the control piece is connected with the power device and controls the power device to drive the eccentric piece to rotate according to the specified requirement. The medical negative pressure wound therapeutic apparatus is provided with the pinch valve structure. The utility model can realize intermittent normal saline flushing of the wound surface and improve the treatment effect of the wound surface.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a pinch valve structure and a medical negative pressure wound therapeutic apparatus with the same.
Background
The medical negative pressure wound therapeutic apparatus is a device for providing a negative pressure source, and can be used together with a negative pressure drainage material to generate controllable negative pressure to provide a closed wound surface humid environment and carry out wound surface negative pressure drainage to promote wound surface healing.
The medical negative pressure wound therapeutic apparatus mainly comprises a negative pressure pump, a pipeline and a drainage bottle, wherein the negative pressure pump provides a negative pressure source, the negative pressure source is connected with a dressing through the pipeline, and the dressing is sealed on a wound surface to carry out negative pressure suction therapy on the wound surface.
Clinical evidence proves that in the wound treatment, the negative pressure treatment is carried out while the normal saline is used for washing the wound, so that the treatment effect is improved.
However, in the actual operation process, if the treatment effect is influenced by long-time flushing, the good treatment effect can be achieved only by adopting intermittent normal saline flushing.
Disclosure of Invention
The utility model aims to: the utility model provides a pinch valve structure and have medical negative pressure wound therapeutic instrument of said structure, it can realize carrying out intermittent type nature normal saline to the surface of a wound and wash, improves the treatment of the surface of a wound.
The utility model is realized by the following technical scheme: the pinch valve structure is arranged on the medical negative pressure wound therapeutic apparatus 9 and is used for clamping a pipeline and controlling the on-off of the pipeline;
it comprises
The motor frame 1 is arranged inside the medical negative pressure wound therapeutic apparatus 9, and is provided with a strip-line opening 91 corresponding to the shell of the medical negative pressure wound therapeutic apparatus 9, and the strip-line opening 91 is used for accommodating a transfusion pipeline;
the clamp fixing part 2 is fixedly arranged on the motor frame 1;
the clamp moving part 3 is slidably arranged on the motor frame 1 and is matched with the clamp fixing part 2 to clamp a pipeline;
the resetting mechanism is arranged on the motor frame 1 and connected with the clamp movable part 3 to drive the movable clamping piece to move towards the clamp fixed part 2;
the power device 5 is arranged on the motor frame 1, an eccentric part 51 is connected to the power device 5, and the power device 5 drives the eccentric part to rotate to push the clamp movable part 3 to move reversely to the clamp fixed part 2;
and the control member is connected with the power device 5 and controls the power device 5 to drive the eccentric member 51 to rotate according to the specified requirement.
A medical negative pressure wound therapeutic instrument is provided with the pinch valve structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the added pinch valve structure can realize the intermittent washing of the wound surface by the normal saline, and the treatment effect of the wound surface is improved.
2. The slip cover that increases can be after the liquid dropping pipeline takes one's place, and the row opening of shutoff strip avoids the liquid dropping pipeline to drop and avoids the tong simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a state diagram of the variation of FIG. 3;
FIG. 5 is a diagram of the mating relationship between the motor frame and the power unit;
FIG. 6 is a view showing a connection relationship between the power unit and the eccentric member;
FIG. 7 is a view showing the fitting relationship between the fixed portion and the movable portion of the clamp;
FIG. 8 is a schematic structural view of the toggle switch and the switch holder of FIG. 1;
FIG. 9 is an exploded view of the switch mount and toggle switch;
FIG. 10 is a diagram illustrating the overall effect of the present invention when installed in a medical negative pressure wound therapy device;
FIG. 11 is a schematic view of a slider;
FIG. 12 is a schematic view of the structure of the back of the sliding cover;
FIG. 13 is a schematic view of a protective sheath;
FIG. 14 is a schematic view of the slider being opened;
FIG. 15 is a schematic view of the slider being closed;
FIG. 16 is an exploded view of the present invention;
fig. 17 shows a medical negative pressure wound treatment device with a pinch valve structure.
FIG. 18 is a step chart of embodiment 1 of a method of using the medical negative pressure wound therapy apparatus;
FIG. 19 is a step diagram of embodiment 2 of a method of using the medical negative pressure wound therapy apparatus;
FIG. 20 is a step chart of example 3 of a method of using the medical negative pressure wound therapy apparatus;
FIG. 21 is a schematic view of a flushing mode interface of the medical negative pressure wound therapy device;
fig. 22 is a schematic view of a flushing cycle interface of a medical negative pressure wound therapy device.
Description of reference numerals: 1 motor frame, 11 baffles, 2 anchor clamps fixed part, 21 door type frame, 22 grip blocks A, 23 guide arms, 24 spacing holes, 25 spacing blocks, 3 anchor clamps movable part, 31 slider, 32 grip blocks B, 4 reset springs, 5 power device, 51 eccentric part, 511 gyro wheel, 61 switch mount, 62 toggle switch, 63 spacing groove, 71 sliding closure, 72 draw-in groove, 81 protective sheath, 82 slope, 9 medical negative pressure wound therapeutic instrument, 91 line openings, 92 infusion bag, 93 infusion bag pipe, 94 infusion bag sucking disc, 95 pipette sucking disc, 96 pipette, 97 dressing.
Detailed Description
The utility model is described in detail below with reference to the following description of the drawings:
as shown in fig. 1-16: the pinch valve structure is arranged on the medical negative pressure wound therapeutic apparatus 9 and is used for clamping a dropping liquid pipeline and controlling the on-off of the dropping liquid pipeline;
it comprises
The motor frame 1 is arranged inside the medical negative pressure wound treatment instrument 9, and is provided with a strip line opening 91 corresponding to the shell of the medical negative pressure wound treatment instrument 9, and the strip line opening 91 is used for accommodating a pipeline to be placed;
the clamp fixing part 2 is fixedly arranged on the motor frame 1;
the clamp moving part 3 is slidably arranged on the motor frame 1 and is matched with the clamp fixing part 2 to clamp a pipeline;
the resetting mechanism is arranged on the motor frame 1 and connected with the clamp movable part 3 to drive the movable clamping piece to move towards the clamp fixed part 2;
the power device 5 is arranged on the motor frame 1, an eccentric part 51 is connected to the power device 5, and the power device 5 drives the eccentric part to rotate to push the clamp movable part 3 to move reversely to the clamp fixed part 2;
and the control member is connected with the power device 5 and controls the power device 5 to drive the eccentric member 51 to rotate according to the specified requirement.
Further, the clamp fixing part 2 is a door-shaped frame 21 and a clamping plate A22 which is arranged on the door-shaped frame 21 and has a T-shaped section; the clamp moving part 3 is a slide block 31 and a clamping plate B32 with a V-shaped section arranged on the slide block 31; the door-shaped frame 21 and the sliding block 31 are mutually matched and connected through a guide mechanism, so that the sliding block 31 can slide relative to the door-shaped frame 21.
Here, the power unit 5 is installed on the motor frame 1, the eccentric member 51 needs to control the movement of the slider 4, and the clamp fixing portion 2 is designed in a door shape to form a space for the movement of the eccentric member therein in order to give a space for the movement of the eccentric member 51.
Further, the guide mechanism comprises a guide rod 23 arranged on the door-shaped frame 21 and extending towards the sliding block 31, and a limiting hole 24 formed in the sliding block 31 and used for accommodating the guide rod 23 to penetrate through, wherein a limiting block 25 is arranged at the end part of the guide rod 23. In order to avoid the sliding of the sliding block, the sliding block is deviated and is convenient to disassemble and assemble, and a guide rod type guide mechanism is adopted.
The power device 5 is a motor which is fixedly arranged on the motor frame 1, the output shaft of the motor is connected with an eccentric part 51, and the eccentric part 51 is positioned in the door-shaped frame 21; the eccentric member 51 rotates to effect the sliding of the push slider 31.
Further, a baffle 11 is arranged on the motor frame 1, the clamp moving part 3 is located between the clamp fixing part 2 and the baffle 11, and the reset mechanism is a reset spring 4 arranged between the baffle 11 and the clamp moving part 3.
The baffle plate can serve the purpose of limiting the sliding block on one hand and can serve as a fixed carrier at one end of the return spring 4 on the other hand.
Further, the control part comprises a switch fixing frame 61, a toggle switch 62 and a circuit board, the switch fixing frame 61 is arranged on the fixture fixing part 2, the toggle switch 62 is arranged in a limiting groove 63 formed in the switch fixing frame 61, and the toggle switch 62 is connected with the power device 5 through the circuit board. By adding the toggle switch, the starting and the closing of the motor are conveniently controlled.
In addition, the medical negative pressure wound therapy apparatus further comprises a sliding cover 71, wherein the sliding cover 71 is arranged on the side surface of the strip line opening 91 of the medical negative pressure wound therapy apparatus 9 in a sliding manner; a clamping groove 72 is arranged on the sliding cover 71, and the clamping groove 72 is connected with the toggle switch 62, so that when the sliding cover 71 moves to close the opening, the toggle switch 62 starts the power device 5.
The sliding cover is added, so that the outside and the clamp can be isolated through the sliding cover, and the operator is prevented from being accidentally injured by the clamp; in addition, the sliding cover is linked with the toggle switch 62, so that the motor can drive the clamp to move when the sliding cover is closed, and the motor stops driving the clamp to move when the sliding cover is opened.
The strip line opening 91 is also provided with a protective sleeve 81 embedded into the strip line opening 91, and the upper end and the lower end of the protective sleeve 81 are provided with excessive slopes 82. The design is primarily to guide the pipe so that when it is placed in position, the clamp itself assumes an arc shape with the trough of the clamp between the clamp stationary part 2 and the clamp movable part 3.
The eccentric part is an eccentric wheel, and the eccentric part of the eccentric wheel is also provided with a roller 511, so that when the eccentric wheel rotates, the roller 511 is in rolling friction type contact with the clamp movable part 3.
Since the eccentric part is contacted with the movable part 3 of the clamp for a plurality of times, in order to reduce abrasion, a roller 511 is additionally arranged, and the eccentric part is contacted with the movable part 3 of the clamp in a rolling friction type.
The medical negative pressure wound treatment instrument is provided with the pinch valve structure, the using mode of the medical negative pressure wound treatment instrument is not different from that of the existing medical negative pressure wound treatment instrument, and the difference is that the pinch valve structure controls the on-off of a pipette.
As shown in fig. 17, the medical negative pressure wound therapy apparatus 1 is connected to an infusion bag 92, an infusion bag catheter 93, an infusion bag suction cup 94, a pipette suction cup 95, a pipette 96, and a dressing 97. The specific connection relationship is as follows:
the infusion bag pipe is connected with an infusion bag and an infusion tube sucker, the infusion tube sucker is stuck on the dressing of the wound surface, and the infusion bag pipe penetrates through the pinch valve structure.
The pipette is connected with the negative pressure source and the pipette sucker, and the pipette sucker is stuck on the dressing of the wound surface.
The liquid in the infusion bag can flow to the dressing because of gravity, and the pinch valve can clamp and loosen the conduit of the infusion bag to control the flow of the liquid; the negative pressure source provides negative pressure to suck the liquid in the dressing.
The use method of the medical negative pressure wound treatment instrument comprises the following specific use steps:
And 3, stopping the equipment after finishing all the flushing work.
Three embodiments of the present invention are the trigger flush mode:
example 1
Trigger flush mode S1: as shown in fig. 18: a washing function key is arranged on the front or the side of the machine, and a washing mode is triggered by pressing; enter flush mode interface S2, flush mode function option S3: as shown in figure 21, the selection of the numerical value of the negative pressure value and the negative pressure working time, the selection of the dropping volume or the liquid dropping time and the selection of the soaking time are carried out in the interface; installing a drip line S4: the infusion bag conduit passes through the pinch valve structure; triggering machine operation S5: the start key is arranged in front of or on the side of the machine, the start key is triggered, and the machine starts to run; flush cycle mode S5: as shown in fig. 22, the negative pressure operation, the dropping operation, and the soaking operation are cyclically performed in this order; until the pause or stop button is pressed to stop the machine.
Example 2
Trigger flush mode S11: as shown in fig. 19: a washing function key is arranged on the front or the side of the machine, and a washing mode is triggered by pressing; enter flush mode interface S12, flush mode function option S13; as shown in figure 21, the selection of the numerical value of the negative pressure value and the negative pressure working time, the selection of the dropping volume or the liquid dropping time and the selection of the soaking time are carried out in the interface; installing a drip line S14: the infusion bag conduit passes through the pinch valve structure; covering the pipe clamping protective cover, and judging whether the pipe clamping protective cover is covered or not S15, if not, forcibly stopping the non-operation flushing mode by the program; if so, trigger machine operation S16: the start key is arranged in front of or on the side of the machine, the start key is triggered, and the machine starts to run; 90-second negative pressure suction S17: the negative pressure suction of 90 is run first to evacuate the air inside the dressing; the dropping operation S18 comprises opening the pinch valve structure, allowing the liquid in the infusion bag to flow to the shrunken dressing through the infusion bag conduit; flush cycle mode S19: as shown in fig. 22, the negative pressure operation, the dropping operation, and the soaking operation are cyclically performed in this order; until the pause or stop button is pressed to stop the machine.
Example 3
Triggering the flushing mode S111: as shown in fig. 20: a washing function key is arranged on the front or the side of the machine, and a washing mode is triggered by pressing; enter flush mode interface S112, flush mode function option S113: as shown in figure 21, the selection of the numerical value of the negative pressure value and the negative pressure working time, the selection of the dropping volume or the liquid dropping time and the selection of the soaking time are carried out in the interface; mounting the dropping liquid pipeline S114: the infusion bag conduit passes through the pinch valve structure; covering the pipe clamping protective cover, and judging whether the pipe clamping protective cover is covered S115, if not, forcibly stopping the non-running flushing mode by the program; if so, triggering the machine to operate S116: the start key is arranged in front of or on the side of the machine, the start key is triggered, and the machine starts to run; 90-second negative pressure suction S117: the negative pressure suction of 90 is run first to evacuate the air inside the dressing; the dropping operation S118 is that the pinch valve structure 2 is opened, and the liquid in the infusion bag flows to the shrunken dressing through the conduit of the infusion bag; flush cycle mode S119: as shown in fig. 22, the negative pressure operation, the dropping operation, and the soaking operation are cyclically performed in this order; until a pause or stop button is pressed, whether the flushing cycle is in a dripping working or soaking working stage S121 is judged, if not, the machine stops running, if so, the machine stops running after 90 seconds of negative pressure suction S122 is run, and liquid in the dressing is prevented from flowing out when the medical staff removes the dressing.
The 90 second negative pressure suction as described above may be determined according to the operation of the negative pressure source, such as 60 seconds, 50 seconds, etc.
While the utility model has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the utility model. It is understood, therefore, that the utility model is not to be in any way limited except by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a pinch valve structure for medical negative pressure wound therapeutic instrument which characterized in that: the device is arranged on a medical negative pressure wound therapeutic apparatus (9) and is used for clamping a dripping pipeline and controlling the on-off of the pipeline;
it comprises
The motor frame (1) is arranged inside the medical negative pressure wound therapeutic apparatus (9), a strip line opening (91) is formed in the position corresponding to the shell of the medical negative pressure wound therapeutic apparatus (9), and the strip line opening (91) is used for accommodating a pipeline;
the clamp fixing part (2) is fixedly arranged on the motor frame (1);
the clamp moving part (3) is slidably arranged on the motor frame (1) and is matched with the clamp fixing part (2) to clamp the dripping pipeline;
the resetting mechanism is arranged on the motor frame (1), is connected with the clamp movable part (3) and drives the movable clamping piece to move towards the clamp fixing part (2);
the power device (5) is arranged on the motor rack (1), an eccentric part (51) is connected to the power device (5), and the power device (5) drives the eccentric part to rotate to push the movable clamp part (3) to move reversely towards the fixed clamp part (2);
and the control piece is connected with the power device (5) and controls the power device (5) to drive the eccentric piece (51) to rotate according to the specified requirement.
2. The pinch valve structure of claim 1, wherein:
the clamp fixing part (2) is a door-shaped frame (21) and a clamping plate A (22) which is arranged on the door-shaped frame (21) and has a T-shaped section; the clamp moving part (3) is a slide block (31) and a clamping plate B (32) which is arranged on the slide block (31) and has a V-shaped section; the door-shaped frame (21) and the sliding block (31) are mutually matched and connected through a guide mechanism, so that the sliding block (31) can slide relative to the door-shaped frame (21).
3. The pinch valve structure of claim 2, wherein:
the guide mechanism comprises a guide rod (23) which is arranged on the door-shaped frame (21) and extends towards the sliding block (31), a limiting hole (24) which is formed in the sliding block (31) and used for accommodating the guide rod (23) to penetrate through is formed, and a limiting block (25) is arranged at the end part of the guide rod (23).
4. The pinch valve structure of claim 2, wherein: the power device (5) is a motor, the motor is fixedly arranged on the motor rack (1), an output shaft of the motor is connected with an eccentric part (51), and the eccentric part (51) is positioned in the door-shaped rack (21); the eccentric member (51) rotates to realize the sliding of the pushing slide block (31).
5. The pinch valve structure of claim 1, wherein: be equipped with baffle (11) on motor frame (1), anchor clamps movable part (3) are located between anchor clamps fixed part (2) and baffle (11), canceling release mechanical system is reset spring (4) of setting between baffle (11) and anchor clamps movable part (3).
6. The pinch valve structure of claim 1, wherein: the control piece includes switch mount (61), toggle switch (62) and circuit board, and switch mount (61) set up on anchor clamps fixed part (2), and toggle switch (62) set up in spacing groove (63) that are equipped with in switch mount (61), and toggle switch (62) are connected power device (5) through the circuit board and are connected.
7. The pinch valve structure of claim 6, wherein: the medical negative pressure wound therapy instrument further comprises a sliding cover (71), wherein the sliding cover (71) is arranged on the side surface of the strip-shaped opening (91) of the medical negative pressure wound therapy instrument (9) in a sliding manner; a clamping groove (72) is formed in the sliding cover (71), the clamping groove (72) is connected with the toggle switch (62), so that when the sliding cover (71) moves to close the opening, the toggle switch (62) starts the power device (5).
8. The pinch valve structure of claim 1, wherein: the strip is gone opening (91) department and still is equipped with embedding strip protective sheath (81) of going opening (91), both ends are equipped with excessive slope (82) about protective sheath (81).
9. The pinch valve structure of claim 1, wherein: the eccentric part is an eccentric wheel, and the eccentric part of the eccentric wheel is also provided with a roller (511), so that when the eccentric wheel rotates, the roller (511) is in rolling friction type contact with the movable part (3) of the clamp.
10. A medical negative pressure wound treatment apparatus having a pinch valve arrangement according to claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244551.4U CN215875690U (en) | 2021-06-04 | 2021-06-04 | Pinch valve structure and medical negative pressure wound therapeutic instrument with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244551.4U CN215875690U (en) | 2021-06-04 | 2021-06-04 | Pinch valve structure and medical negative pressure wound therapeutic instrument with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215875690U true CN215875690U (en) | 2022-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121244551.4U Active CN215875690U (en) | 2021-06-04 | 2021-06-04 | Pinch valve structure and medical negative pressure wound therapeutic instrument with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215875690U (en) |
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2021
- 2021-06-04 CN CN202121244551.4U patent/CN215875690U/en active Active
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