CN212084860U - Pedal switch for medical instrument - Google Patents
Pedal switch for medical instrument Download PDFInfo
- Publication number
- CN212084860U CN212084860U CN202021150910.5U CN202021150910U CN212084860U CN 212084860 U CN212084860 U CN 212084860U CN 202021150910 U CN202021150910 U CN 202021150910U CN 212084860 U CN212084860 U CN 212084860U
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- contact
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- negative electrode
- pedal
- electrode plate
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- 239000000758 substrate Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VAHKBZSAUKPEOV-UHFFFAOYSA-N 1,4-dichloro-2-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC(Cl)=CC=C1Cl VAHKBZSAUKPEOV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a foot switch for medical instrument, it includes: a switch assembly including a base plate and a pedal; one end of the base plate is movably hinged with one end of the pedal, the pedal can move relative to the base plate, and a contact component is arranged at the other end of the pedal, which is close to the opening and closing end; the contact assembly comprises a first contact plate and a second contact plate; the contact block on one side wall of the contact plate II can slide along the sliding groove on the outer wall of the contact plate II; a first negative electrode plate and a second negative electrode plate are arranged in the sliding groove, and a positive electrode plate is arranged on the bottom wall of the contact block; the two are respectively contacted with each other to trigger low-voltage operation and high-voltage operation; and the control assembly comprises a PCB circuit board, a switching power supply, a microprocessor and a prompting assembly, wherein the switching power supply, the microprocessor and the prompting assembly are integrated on the PCB circuit board.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to a foot switch for medical equipment.
Background
A foot switch (foot switch) is a switch that controls the on/off of a circuit by foot-stepping action, and is generally used in a control circuit that is inaccessible to both hands to replace or release both hands.
At present, a great number of instruments are applied to a foot switch in a medical environment, for example, in an X-ray machine, an ultrasonic knife, an electrocoagulator high-frequency electrotome, a Computed Tomography (CT) and other equipment, the foot switch can be used for signal input.
However, most of the existing control switches are realized by complex structures and have higher cost, and the control switches generally control the opening and closing of an instrument and do not achieve the purpose that the high and low levels are respectively output and controlled by a single pedal; therefore, medical staff need to replace the left pedal and the right pedal to realize the purpose of circuit switching, and the work of the medical staff is not facilitated.
In view of the above, there is a need to design a foot switch for medical devices that overcomes the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foot switch for medical instrument, it can realize through pedal same switch can realize controlling the mode of different voltages through setting up switch module and contact assembly to effectively improve medical personnel's work efficiency.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
a foot switch for a medical device, comprising:
a switch assembly including a base plate and a pedal; one end of the base plate is movably hinged with one end of the pedal, the pedal can move relative to the base plate, and a contact component is arranged at the other end of the pedal, which is close to the opening and closing end;
the contact assembly comprises a first contact plate and a second contact plate; the contact block on one side wall of the contact plate II can slide along the sliding groove on the outer wall of the contact plate II; a first negative electrode plate and a second negative electrode plate are arranged in the sliding groove, and a positive electrode plate is arranged on the bottom wall of the contact block; the two are respectively contacted with each other to trigger low-voltage operation and high-voltage operation;
and the control assembly comprises a PCB circuit board, a switching power supply, a microprocessor and a prompting assembly, wherein the switching power supply, the microprocessor and the prompting assembly are integrated on the PCB circuit board.
The pedal switch for medical equipment as described above, wherein the top end of the first contact plate is connected to the bottom wall of the pedal, and the bottom end thereof is connected to the base plate via a compression spring;
the bottom end of the second contact plate is connected with the top wall of the substrate;
the first contact plate and the second contact plate are both arc-shaped plates with the same radian.
The pedal switch for the medical instrument, wherein the first negative electrode plate is movably hinged with the inner wall of the sliding groove; a positive electrode plate of the contact block is contacted with the negative electrode plate, and a low negative voltage circuit is switched on;
the first negative electrode plate is arranged at the position, close to the top end, of the sliding groove; the thickness of the negative electrode plate I is 5 mm.
The pedal switch for the medical instrument is characterized in that the second negative electrode plate is arranged on the table top at the top end of the sliding chute; and the positive electrode plate of the contact block is contacted with the negative electrode plate II to switch on the high negative voltage circuit.
The pedal switch for medical equipment, wherein the inner wall of the top end of the sliding groove is provided with a soft magnetic strip; the inner wall of the contact block is embedded with a miniature magnet;
under the action of no treading force, the contact block slides to the top end of the sliding groove to be in contact with the soft magnetic strip under the action of the pressure spring.
The pedal switch for medical equipment as described above, wherein the positive electrode plate and the negative electrode plate one and the negative electrode plate two are respectively connected in parallel with the switching power supply;
the microprocessor and the switching power supply are arranged on the PCB circuit board;
the input end of the prompting component is electrically connected with the output end of the microprocessor;
the switch power supply is connected with a power plug through a lead.
The pedal switch for medical equipment, wherein the prompting component is an LED double-color alarm;
when the first negative electrode plate is in contact with the positive electrode plate, a green LED lamp of the LED double-color alarm is turned on;
and when the negative electrode plate II is contacted with the positive electrode plate, a red LED lamp of the LED double-color alarm is turned on.
The foot switch for medical equipment, wherein the bottom wall of the base plate is provided with an anti-skid foot pad;
the top wall of the pedal is provided with a rubber mat with anti-skid grains.
Compared with the prior art, the utility model discloses the beneficial effect who produces mainly embodies:
1. the utility model discloses a foot switch for medical instruments, which is provided with a first contact plate which can move back and forth along a sliding groove on a second contact plate, and a first negative electrode plate and a second negative electrode plate which are different from each other are contacted with a positive electrode plate at a contact block of the first contact plate, thereby realizing the purpose of connecting a high-voltage circuit or a low-voltage circuit;
2. the utility model relates to a foot switch for medical equipment, which can control different working modes by a single foot of a user; the working efficiency of medical staff is effectively improved;
3. the utility model relates to a foot switch for medical apparatus, which can be applied to various medical apparatus needing to switch output frequency, such as the vacuum suction apparatus needing to switch high and low frequencies;
4. the utility model discloses a foot switch for medical instrument, its universality is high, convenient and practical and low cost, accords with the use of china's basic level hospital.
Drawings
Fig. 1 is a schematic structural view of a foot switch for medical equipment according to the present invention;
fig. 2 is another schematic structural view of a foot switch for medical equipment according to the present invention;
FIG. 3 is another schematic structural view of a foot switch for medical devices according to the present invention;
FIG. 4 is a schematic block diagram of a foot switch for a medical device according to the present invention;
description of reference numerals:
1. a switch assembly;
11. a substrate; 12. a pedal; 13. a power plug; 14. anti-skid foot pads; 15. rubber cushion
2. A contact assembly;
21. a first contact plate; 22. a second contact plate; 23. a pressure spring; 24. a flexible magnetic strip;
211. a contact block; 212. a positive electrode plate;
221. a chute; 222. a first negative electrode plate; 223. a second negative electrode plate;
3. a control component;
31. a PCB circuit board; 32. a switching power supply; 33. a microprocessor; 34. a prompt component;
Detailed Description
In order to facilitate understanding of the purpose, technical solution and effect of the present invention, the present invention will now be described in further detail with reference to the embodiments.
As shown in fig. 1 to 4, the utility model discloses a foot switch for medical instrument, it includes:
a switch assembly 1 including a base plate 11 and a pedal 12; one end of the base plate 11 is hinged with one end of the pedal 12, the pedal 12 can move relative to the base plate 11, and the other end of the pedal 12 close to the opening and closing end is provided with a contact component 2;
the contact assembly 2 comprises a first contact plate 21 and a second contact plate 22; the contact block 211 on the side wall of the contact plate I21 can slide along the sliding groove 221 on the outer wall of the contact plate II 22; a first negative electrode sheet 222 and a second negative electrode sheet 223 are arranged in the sliding groove 221, and a positive electrode sheet 212 is arranged on the bottom wall of the contact block 211; the two are respectively contacted with each other to trigger low-voltage operation and high-voltage operation;
and the control component 3 comprises a PCB circuit board 31, a switching power supply 32 integrated on the PCB circuit board, a microprocessor 33 and a prompting component 34.
The utility model provides a foot switch for medical instrument, its in-process that uses:
the abdominal cavity suction apparatus is described as an example;
the medical staff connects the pedal switch to the abdominal cavity suction apparatus, and then connects the power plug 13 of the pedal switch to the commercial power; when the medical staff uses the operation, the feet of the medical staff are placed on the pedal 12, the feet of the medical staff are pressed down with force, and the sliding blocks on the contact plates I21 slide along the sliding grooves 221 of the contact plates II 22;
when the contact block 211 on the contact plate one 21 moves downwards along the sliding groove 221, the contact block 211 firstly touches the negative electrode sheet one 222, and at the moment, the positive electrode sheet 212 of the contact block 211 touches the negative electrode sheet one 222, a low negative voltage circuit is switched on, and low-frequency adsorption work is started; when the operator feels that the operation needs to be switched to high-frequency adsorption work; when the operator continues to step downwards, the positive electrode sheet 212 of the contact block 211 contacts the second negative electrode sheet 223 to switch on the high negative voltage circuit; and starting high-frequency adsorption work.
Meanwhile, when the low negative pressure circuit is switched on, the low negative pressure circuit transmits an electric signal to the microprocessor 33, the electric signal is analyzed and processed and is transmitted to the LED double-color alarm, and a green LED lamp of the LED double-color alarm is turned on; when the high negative voltage circuit is switched on, the high negative voltage circuit transmits an electric signal to the microprocessor 33, the electric signal is analyzed and processed and is transmitted to the LED double-color alarm, and then a red LED lamp of the LED double-color alarm is turned on.
The low frequency and the high frequency of the foot switch are mutually converted, the operation is simple, and only slight treading is needed; the first negative electrode sheet 222 and the positive electrode sheet 212 are in contact with each other, and when force is applied again, the first negative electrode sheet 222 is turned downwards under the action of external force, is parallel to the sliding groove 221 and is accommodated in the sliding groove 221, and is turned into a containing groove corresponding to the first negative electrode sheet 222; the contact block 211 continues to move downwards along the sliding groove 221 until the contact block contacts the negative electrode sheet II 223, and a high negative voltage circuit is switched on; when the contact block 211 moves downwards continuously, the first negative electrode piece 222 returns to the original state, when the contact block 211 returns upwards, the first negative electrode piece 222 is turned upwards under the action of the acting force and the compression spring at the top end of the contact block 211 until the contact block 211 passes through the position of the first negative electrode piece 222, and the first negative electrode piece 222 returns to the horizontal state again.
It should be noted that the first negative electrode tab 222 is connected to the inner wall of the sliding slot 221 through a hinge capable of turning 180 degrees; can be folded in two directions.
The pedal switch for the medical instrument is suitable for various medical instruments with high and low frequency switching.
As shown in fig. 2 and 3, in the foot switch for medical device of the present invention, the top end of the contact plate 21 is connected to the bottom wall of the pedal 12, and the bottom end thereof is connected to the base plate 11 through a compression spring 23; the bottom end of the second contact plate 22 is connected with the top wall of the substrate 11; the first contact plate 21 and the second contact plate 22 are arc-shaped plates with the same radian.
According to the foot switch for the medical instrument, the first contact plate 21 and the second contact plate 22 are both arc-shaped plates and can move relatively; a compression spring 23 is disposed between the contact plate 21 and the substrate 11 to ensure a certain resilient force, and the contact block 211 can return to the top position of the sliding slot 221 without being pressed by an external force.
As shown in fig. 2 and 3, in the foot switch for medical equipment of the present invention, the first negative electrode sheet 222 is connected to the inner wall of the sliding groove 221 through a movable hinge; the positive electrode sheet 212 of the contact block 211 is contacted with the negative electrode sheet I222, and then a low negative voltage circuit is switched on; the first negative electrode sheet 222 is arranged at the position, close to the top end, of the sliding groove 221; the thickness of the first negative electrode sheet 222 is 5 mm.
The utility model provides a foot switch for medical instrument, negative electrode piece 222 with the spout 221 inner wall is the activity hinge joint, and contact piece 211 contacts negative electrode piece 222 at first, and then the normal gliding of contact piece 211 is not influenced to this negative electrode piece 222 in the holding tank that turns over the return downwards and correspond to setting up in the spout 221 again by the power is stepped on.
As shown in fig. 2 and 3, in the pedal switch for medical equipment of the present invention, the second negative electrode plate 223 is disposed on the top surface of the sliding groove 221; the positive electrode sheet 212 of the contact block 211 is contacted with the negative electrode sheet two 223 to switch on a high negative voltage circuit.
According to the foot switch for the medical instrument, the second negative electrode piece 223 is arranged on the table top at the top end of the sliding groove 221, and when the second negative electrode piece 223 is contacted by the positive electrode piece 212 of the contact block 211, a high negative voltage circuit is connected.
As shown in fig. 2, in the pedal switch for medical device of the present invention, a soft magnetic stripe 24 is disposed on the inner wall of the top end of the sliding groove 221; the inner wall of the contact block 211 is embedded with a miniature magnet;
under the action of no treading force, the contact block 211 slides under the action of the compression spring 23 until the top end of the sliding groove 221 contacts with the soft magnetic strip 24.
The utility model provides a foot switch for medical instrument, in the spout 221 top sets up soft magnetic stripe 24, and under the condition that this contact piece 211 does not have external force to trample, this contact piece 211 takes place to kick-back under the effort of pressure spring 23, and it can return to the spout 221 top rapidly, is in the state of not switching on the power.
As shown in fig. 2 and 3, in the foot switch for medical equipment of the present invention, the positive electrode sheet 212 is connected in parallel with the negative electrode sheet one 222 and the negative electrode sheet two 223 respectively with the switching power supply 32; the microprocessor 33 and the switching power supply 32 are arranged on the PCB of the PCB 31; the input end of the prompting component 34 is electrically connected with the output end of the microprocessor 33; the switching power supply 32 is connected to a power plug 13 through a wire.
As shown in fig. 1, in the foot switch for medical equipment of the present invention, the prompt component 34 is an LED dual-color alarm; when the first negative electrode sheet 222 is in contact with the positive electrode sheet 212, a green LED lamp of the LED double-color alarm is turned on; when the second negative electrode piece 223 is in contact with the positive electrode piece 212, a red LED lamp of the LED double-color alarm is turned on.
In the foot switch for medical equipment of the embodiment of the application, the prompt components 34 can respectively correspond to different modes, and when the first negative electrode sheet 222 is in contact with the positive electrode sheet 212, a green LED lamp of an LED dual-color alarm is turned on; when the second negative electrode piece 223 is in contact with the positive electrode piece 212, a red LED lamp of the LED double-color alarm is turned on; the frequency switching of adsorption can be conveniently and clearly observed by an operator.
As shown in fig. 1, in the foot switch for medical equipment of the present invention, the bottom wall of the base plate 11 is provided with an anti-slip foot pad 14; the top wall of the pedal 12 is provided with a rubber pad 15 with anti-skid grains.
The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. Foot switch for medical instrument, characterized by that, it includes:
a switch assembly (1) comprising a base plate (11) and a pedal (12); one end of the base plate (11) is hinged with one end of the pedal (12), the pedal (12) can move relative to the base plate (11), and a contact component (2) is arranged at the other end of the pedal (12) close to the opening and closing end;
a contact assembly (2) comprising a first contact plate (21) and a second contact plate (22); the contact block (211) on the side wall of the contact plate I (21) can slide along the sliding groove (221) on the outer wall of the contact plate II (22); a first negative electrode sheet (222) and a second negative electrode sheet (223) are arranged in the sliding groove (221), and a positive electrode sheet (212) is arranged on the bottom wall of the contact block (211); the two are respectively contacted with each other to trigger low-voltage operation and high-voltage operation;
the control assembly (3) comprises a PCB circuit board (31), a switching power supply (32) integrated on the PCB circuit board, a microprocessor (33) and a prompting assembly (34).
2. The foot switch for medical equipment according to claim 1, characterized in that:
the top end of the contact plate I (21) is connected with the bottom wall of the pedal (12), and the bottom end of the contact plate I is connected with the base plate (11) through a pressure spring (23);
the bottom end of the second contact plate (22) is connected with the top wall of the substrate (11);
the first contact plate (21) and the second contact plate (22) are both arc-shaped plates with the same radian.
3. The foot switch for medical equipment according to claim 2, characterized in that:
the negative electrode sheet I (222) is hinged with the inner wall of the sliding groove (221); a positive electrode plate (212) of the contact block (211) is contacted with the negative electrode plate I (222) to switch on a low negative voltage circuit;
the first negative electrode sheet (222) is arranged at the position, close to the top end, of the sliding groove (221); the thickness of the first negative electrode sheet (222) is 5 mm.
4. The foot switch for medical equipment according to claim 2, characterized in that:
the second negative electrode plate (223) is arranged on the table top at the top end of the sliding groove (221); and the positive electrode plate (212) of the contact block (211) is contacted with the second negative electrode plate (223) to switch on a high negative voltage circuit.
5. The foot switch for medical equipment according to claim 1, characterized in that:
a soft magnetic strip (24) is arranged on the inner wall of the top end of the sliding groove (221); the inner wall of the contact block (211) is embedded with a miniature magnet;
under the action of no treading force, the contact block (211) slides to the top end of the sliding groove (221) to be in contact with the soft magnetic strip (24) under the action of the pressure spring (23).
6. The foot switch for medical equipment according to claim 1, characterized in that:
the positive electrode plate (212) is respectively connected with the negative electrode plate I (222) and the negative electrode plate II (223) in parallel with the switching power supply (32);
the microprocessor (33) and the switching power supply (32) are arranged on the PCB of the PCB circuit board (31);
the input end of the prompting component (34) is electrically connected with the output end of the microprocessor (33);
the switch power supply (32) is connected with a power plug (13) through a lead.
7. The foot switch for medical equipment according to claim 6, characterized in that:
the prompting component (34) is an LED double-color alarm;
when the first negative electrode plate (222) is in contact with the positive electrode plate (212), a green LED lamp of the LED double-color alarm is turned on;
when the second negative electrode plate (223) is in contact with the positive electrode plate (212), a red LED lamp of the LED double-color alarm is turned on.
8. The foot switch for medical equipment according to claim 6, characterized in that:
the bottom wall of the base plate (11) is provided with an anti-skidding foot pad (14);
the top wall of the pedal (12) is provided with a rubber cushion (15) with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150910.5U CN212084860U (en) | 2020-06-19 | 2020-06-19 | Pedal switch for medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150910.5U CN212084860U (en) | 2020-06-19 | 2020-06-19 | Pedal switch for medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212084860U true CN212084860U (en) | 2020-12-04 |
Family
ID=73557723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150910.5U Expired - Fee Related CN212084860U (en) | 2020-06-19 | 2020-06-19 | Pedal switch for medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212084860U (en) |
-
2020
- 2020-06-19 CN CN202021150910.5U patent/CN212084860U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 Termination date: 20210619 |