CN214208443U - Ultrasonic surgical instrument with manually controlled switch to prevent false activation - Google Patents
Ultrasonic surgical instrument with manually controlled switch to prevent false activation Download PDFInfo
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- CN214208443U CN214208443U CN202021308818.7U CN202021308818U CN214208443U CN 214208443 U CN214208443 U CN 214208443U CN 202021308818 U CN202021308818 U CN 202021308818U CN 214208443 U CN214208443 U CN 214208443U
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Abstract
The utility model provides an ultrasonic surgical instrument with a manual switch for preventing false excitation, wherein a circuit of the manual switch of the ultrasonic surgical instrument comprises a single-pole double-throw switch. The utility model discloses press the problem that causes the mistake to arouse system no drive signal output simultaneously easily to present supersound sword tool bit switch, designed one kind and can not cause the tool bit switch that the mistake arouses when two tool bit switches press simultaneously, this tool bit switch can improve operator's operation experience according to predetermined power level output drive signal when two tool bit switches press simultaneously.
Description
Technical Field
The utility model relates to the field of medical equipment, further relate to ultrasonic surgical instrument, in particular to ultrasonic surgical instrument with prevent the manual switch of mistake excitation.
Background
At present, because the position space of the manual switch of the ultrasonic scalpel head in the prior art is narrow, an operator can easily press two buttons simultaneously to cause error excitation, the system has no output, and the expected cutting or hemostasis operation of the operator cannot be carried out.
As shown in fig. 1, the switch of the ultrasonic scalpel head in the prior art mainly comprises two single-pole single-throw switches and a diode, and such a switch structure can cause the system to receive a signal that two gears are all excited when two switch buttons are pressed simultaneously, and the system cannot output a driving signal under such a condition, and only can prompt a key to be mistakenly excited, and the working principle of the circuit can refer to the published utility model patent CN 206422761U.
In order to avoid the influence on the state of an operator and the operation progress caused by the false excitation of the switch of the ultrasonic scalpel head, a brand new scheme is proposed to solve the technical problem of the false excitation caused by simultaneously pressing the manual switch of the ultrasonic scalpel head.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultrasonic surgical instrument with prevent manual switch of mistake excitation to at least, press the manual switch of supersound sword tool bit simultaneously among the prior art and cause the technical problem that the mistake arouses often.
The utility model provides an ultrasonic surgical instrument with a manual switch for preventing false excitation, wherein a circuit of the manual switch of the ultrasonic surgical instrument comprises a single-pole double-throw switch.
Optionally, the circuit of the manual switch of the ultrasonic surgical instrument comprises a single-pole double-throw switch and a single-pole single-throw switch, and the single-pole single-throw switch is connected in series with a connection point in the single-pole double-throw switch.
Optionally, the single-pole double-throw switch has a normally closed connection point and a normally open contact, and when the single-pole connection point of the single-pole double-throw switch is communicated with the normally closed connection point, the single-pole single-throw switch is communicated with the single-pole double-throw switch in series.
Optionally, when the single-pole connection point of the single-pole double-throw switch is connected to the normally open contact, the single-pole single-throw switch is disconnected from the single-pole double-throw switch in series.
Optionally, the circuit of the manual switch of the ultrasonic surgical instrument includes a diode, one end of the diode is connected to the single-pole single-throw switch, and the other end of the diode is connected to the normally open contact of the single-pole double-throw switch.
Optionally, when the single-pole connection point of the single-pole double-throw switch is communicated with the normally closed connection point, the diode is communicated with the single-pole single-throw switch.
Optionally, when the single-pole connection point of the single-pole double-throw switch is communicated with the normally open contact, the diode is disconnected from the circuit of the single-pole single-throw switch.
Alternatively, when the single-pole double-throw switch and the single-pole single-throw switch are simultaneously pressed, the normally closed connection point of the single-pole double-throw switch is disconnected from the single-pole connection point, the single-pole connection point of the single-pole double-throw switch is communicated with the normally open contact, and a signal path of the single-pole single-throw switch is cut off.
Optionally, the single-pole connection point of the single-pole double-throw switch is communicated with the normally open contact, and a switching signal of the single-pole double-throw switch is only connected with a line communicated with the normally open contact, and outputs a driving signal to a power level set by the single-pole double-throw switch in advance.
Optionally, when the single-pole double-throw switch and the single-pole single-throw switch are pressed simultaneously, a driving signal is output to a power level set for the single-pole double-throw switch in advance.
The utility model discloses press the problem that causes the mistake to arouse system no drive signal output simultaneously easily to present supersound sword tool bit switch, designed one kind and can not cause the tool bit switch that the mistake arouses when two tool bit switches press simultaneously, this tool bit switch can improve operator's operation experience according to predetermined power level output drive signal when two tool bit switches press simultaneously.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
fig. 1 is a circuit diagram of an alternative manual switch of a prior art ultrasonic scalpel head according to the background of the present invention;
fig. 2 is a circuit diagram of an alternative manual switch with protection against false activation according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It should be understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and thereby implement the present invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The utility model provides an ultrasonic surgical instrument with a manual switch for preventing false excitation, wherein a circuit of the manual switch of the ultrasonic surgical instrument comprises a single-pole double-throw switch.
As shown in fig. 2.
Further, the circuit of the manual switch of the ultrasonic surgical instrument includes a single-pole double-throw switch S1 and a single-pole single-throw switch S2, and the single-pole single-throw switch S2 is connected in series with a connection point of the single-pole double-throw switch S1.
Further, the single-pole double-throw switch S1 has a normally closed connection point 3 and a normally open contact point 2, and when the single-pole connection point 1 of the single-pole double-throw switch S1 communicates with the normally closed connection point 3, the single-pole single-throw switch S2 communicates in series with the single-pole double-throw switch S1.
Further, when the single-pole connection point 1 of the single-pole double-throw switch S1 is connected to the normally open contact 2, the single-pole single-throw switch S2 is disconnected from the single-pole double-throw switch S1 in series.
Further, the circuit of the manual switch of the ultrasonic surgical instrument includes a diode, one end of the diode is connected to the single-pole single-throw switch S2, and the other end of the diode is connected to the normally open contact 2 of the single-pole double-throw switch S1.
Further, when the single-pole connection point 1 of the single-pole double-throw switch S1 communicates with the normally closed connection point 3, the diode communicates with the single-pole single-throw switch S2.
Further, when the single-pole connection point 1 of the single-pole double-throw switch S1 is connected to the normally open contact 2, the diode is disconnected from the circuit of the single-pole single-throw switch S2.
Further, when the single pole double throw switch S1 and the single pole single throw switch S2 are simultaneously pressed, the normally closed contact 3 of the single pole double throw switch S1 is disconnected from the single pole contact 1, the single pole contact 1 of the single pole double throw switch S1 is communicated with the normally open contact 2, and the signal path of the single pole single throw switch S2 is cut off.
Further, the single-pole connection point 1 of the single-pole double-throw switch S1 communicates with the normally open contact 2, and the switching signal of the single-pole double-throw switch S1 is turned on only by a line communicating with the normally open contact 2, and a drive signal is output to a power level set in the single-pole double-throw switch S1 in advance.
In summary, when the single-pole double-throw switch S1 and the single-pole single-throw switch S2 are simultaneously pressed, a driving signal is output to a power level set in the single-pole double-throw switch S1 in advance.
The ultrasonic surgical instrument is specifically an ultrasonic blade.
The utility model improves the structure of the circuit, adopts the single-pole double-throw switch to replace one of the single-pole single-throw switches, as shown in figure 2, when two switch buttons are pressed simultaneously, the normally closed connection 3 to 1 of the single-pole double-throw switch S1 is disconnected, and the normally open contact 2 to 1 is connected; the normally closed connection 3 to 1 of the S1 is disconnected, the signal path of the single-pole single-throw switch S2 is cut off, the normally open contacts 2 to 1 are connected to complete the conduction of the signal path, the switching signal fed back to the system is only one corresponding to the S1, therefore, when an operator presses two switch buttons simultaneously, the system outputs a driving signal according to the power level preset for the S1, and the technical problems that false excitation is caused when the operator presses the switch buttons simultaneously, the system cannot output signals, and the expected cutting or hemostasis operation of the operator cannot be carried out are solved.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in such aspects may not be combined to benefit. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (9)
1. An ultrasonic surgical instrument having a manual switch for preventing false activation, wherein the circuit of the manual switch of the ultrasonic surgical instrument includes a single-pole double-throw switch, and the circuit of the manual switch of the ultrasonic surgical instrument includes a single-pole double-throw switch (S1) and a single-pole single-throw switch (S2), and the single-pole single-throw switch (S2) is connected in series with a connection point of the single-pole double-throw switch (S1).
2. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 1, wherein the single-pole double-throw switch (S1) has a normally closed connection point (3) and a normally open contact (2), and when the single-pole connection point (1) of the single-pole double-throw switch (S1) is communicated with the normally closed connection point (3), the single-pole single-throw switch (S2) is communicated in series with the single-pole double-throw switch (S1).
3. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 2, wherein when the single-pole connection point (1) of the single-pole double-throw switch (S1) is communicated with the normally open contact (2), the single-pole single-throw switch (S2) is disconnected in series with the single-pole double-throw switch (S1).
4. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 2, wherein the circuit of the manual switch of the ultrasonic surgical instrument comprises a diode, one end of the diode is connected with the single-pole single-throw switch (S2), and the other end of the diode is connected with the normally open contact (2) of the single-pole double-throw switch (S1).
5. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 4, wherein the diode communicates with the single pole single throw switch (S2) when the single pole connection point (1) of the single pole double throw switch (S1) communicates with the normally closed connection point (3).
6. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 4, wherein the diode is disconnected from the circuit of the single-pole single-throw switch (S2) when the single-pole connection point (1) of the single-pole double-throw switch (S1) is communicated with the normally open contact (2).
7. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 2, wherein when the single-pole double-throw switch (S1) and the single-pole single-throw switch (S2) are pressed simultaneously, the normally closed connection point (3) of the single-pole double-throw switch (S1) is disconnected from the single-pole connection point (1), the single-pole connection point (1) of the single-pole double-throw switch (S1) is communicated with the normally open contact (2), and the signal path of the single-pole single-throw switch (S2) is cut off.
8. The ultrasonic surgical instrument with the manual switch for preventing false activation according to claim 7, wherein the single-pole connection point (1) of the single-pole double-throw switch (S1) is communicated with the normally open contact (2), the switching signal of the single-pole double-throw switch (S1) is only connected with a line communicated with the normally open contact (2), and a driving signal is output to the power level preset by the single-pole double-throw switch (S1).
9. The ultrasonic surgical instrument with the manual switch for preventing false activation according to any one of claims 2 to 8, wherein a drive signal is outputted at a power level previously set to the single-pole double-throw switch (S1) when the single-pole double-throw switch (S1) and the single-pole single-throw switch (S2) are simultaneously pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021308818.7U CN214208443U (en) | 2020-07-05 | 2020-07-05 | Ultrasonic surgical instrument with manually controlled switch to prevent false activation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021308818.7U CN214208443U (en) | 2020-07-05 | 2020-07-05 | Ultrasonic surgical instrument with manually controlled switch to prevent false activation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214208443U true CN214208443U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021308818.7U Active CN214208443U (en) | 2020-07-05 | 2020-07-05 | Ultrasonic surgical instrument with manually controlled switch to prevent false activation |
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| CN (1) | CN214208443U (en) |
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- 2020-07-05 CN CN202021308818.7U patent/CN214208443U/en active Active
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