CN213910498U - Double-frequency input type nerve monitoring type electric hook - Google Patents
Double-frequency input type nerve monitoring type electric hook Download PDFInfo
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- CN213910498U CN213910498U CN202022456727.4U CN202022456727U CN213910498U CN 213910498 U CN213910498 U CN 213910498U CN 202022456727 U CN202022456727 U CN 202022456727U CN 213910498 U CN213910498 U CN 213910498U
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Abstract
The utility model adopts the technical proposal that: a double-frequency input type nerve monitoring electric hook comprises an electric hook needle and an insulating needle sleeve wrapped outside the electric hook needle, and further comprises a control box, a high-voltage adapter, a low-voltage adapter, an electric hook adapter and a switching handle, wherein a high-voltage input line, a low-voltage input line and a high-voltage double-throw isolating switch are arranged in the control box, the input ends of the high-voltage input line and the low-voltage input line are respectively electrically connected with a high-frequency electrotome host and an electrophysiology tester host through the high-voltage adapter and the low-voltage adapter, the output ends of the high-voltage double-throw isolating switch are respectively connected with two input ends of the high-voltage double-throw isolating switch, and the output end of the high-voltage double-throw isolating switch is connected with one end of the electric hook adapter; the pot head of switching handle is in the insulating needle cover outside, but the other end and the detachable fraction of electric hook adapter are connected, and when electric hook adapter was connected with the switching handle, electric hook adapter was connected with electric hook needle electrically conductive.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument, concretely relates to neural monitoring type electricity hook of dual-frenquency input formula.
Background
A high-frequency electric knife (namely an electric hook) is commonly used in laparoscopic surgery, and a motor leads high-frequency high-voltage current to tissues through the electric hook so as to separate, cut and stop bleeding of human tissues; the nerve monitoring is to send low-frequency low-voltage current stimulation to the tissue through an electrode probe so as to monitor the activity of nerves in the tissue; generally, in the process of endoscopic (thyroid, thoracic, abdominal) surgery, when a doctor uses a high-frequency electrotome to separate, cut and stop bleeding human tissues, nerves near a surgical site need to be detected at any time so as to prevent the nerves from being damaged in the surgical process. In the existing medical apparatus for operating rooms, a high-frequency electrotome and nerve monitoring equipment are independent, a doctor needs to frequently switch between an electric hook and an electrode probe back and forth in the operation process, and the two kinds of equipment need to be frequently switched on and off during switching, so that the workload of the doctor is large, and the operation time is prolonged; the electric hook and the electrode probe are medical instruments for medical current and voltage output stimulation, and are frequently used equipment in an operating room, but the output parameters of the electric hook and the electrode probe are greatly different, and the basic parameters of the high-frequency electric hook are as follows: frequency: 50 KHz-10 MHz; voltage: 300V-9000V; current: 2 mA-7000 mA; the basic parameters of the electrode probe are as follows: frequency: 1Hz to 30 Hz; voltage: 1V to 20V; current: 0 mA-50 mA. The two are difficult to be brought together due to the large difference in input voltage parameters.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, an object of the utility model is to provide a neural monitoring type electricity hook of dual-frenquency input formula.
In order to realize the above purpose, the utility model discloses a technical scheme be: a double-frequency input type nerve monitoring electric hook comprises an electric hook needle and an insulating needle sleeve wrapped outside the electric hook needle, and further comprises a control box, a high-voltage adapter, a low-voltage adapter, an electric hook adapter and a switching handle, wherein a high-voltage input line, a low-voltage input line and a high-voltage double-throw isolating switch are arranged in the control box, the input ends of the high-voltage input line and the low-voltage input line are respectively electrically connected with a high-frequency electrotome host and an electrophysiology tester host through the high-voltage adapter and the low-voltage adapter, the output ends of the high-voltage double-throw isolating switch are respectively connected with two input ends of the high-voltage double-throw isolating switch, and the output end of the high-voltage double-throw isolating switch is connected with one end of the electric hook adapter; the pot head of switching handle is in the insulating needle cover outside, but the other end and the detachable fraction of electric hook adapter are connected, and when electric hook adapter was connected with the switching handle, electric hook adapter was connected with electric hook needle electrically conductive.
The utility model provides a double-frequency input type nerve monitoring electric hook, which controls the opening and closing of a high-voltage input circuit and a low-voltage input circuit through a high-voltage double-throw isolating switch, and when a switch corresponding to the high-voltage input circuit on the high-voltage double-throw isolating switch is pressed, the electric hook is connected with a high-voltage high-frequency current input by a high-frequency electric knife host machine through the high-voltage input circuit so as to be used for the separation, cutting and hemostasis of human tissues; when pressing down the switch that corresponds with the low pressure input line on the high pressure double-throw isolator, the disconnection of high pressure input line, the electricity hook is connected into the low pressure low frequency current of electricity physiology tester host computer input through low pressure input line and is used for nervous monitoring, and the doctor need not to change electricity hook and nerve probe repeatedly at the operation in-process to reduce doctor's work load, accelerate going on of operation.
Preferably, the high-voltage input line and the low-voltage input line are respectively provided with a high-voltage fuse tube and a low-current fuse tube, the fuse tubes are used for overcurrent protection, specifically, the high-voltage fuse tube is withstand voltage of 10 kilovolts and current-limiting of 7 amperes, and the low-current fuse tube is withstand voltage of 30 volts and current-limiting of 50 milliamperes.
Optimally, the external parts of the high-voltage input line and the low-voltage input line are respectively provided with mutually independent shielding cases。The current frequency of high frequency electrotome host computer equipment to high-voltage input line input is 50KHz ~ 10MHz, voltage is 300V ~ 9000V, the electric current is 2mA ~ 7000mA, so big high-voltage high-frequency current can produce high frequency strong magnetic field, take place serious high frequency radiation, cause very big injury and interference to human body and other light current equipment, low pressure input line in the control box very easily receives high frequency signal interference, the shield cover carries out the full shield to the circuit of high-voltage high frequency current process, prevent strong radiation.
Furthermore, the shielding cover is made of metal materials, such as copper and aluminum materials, is completely insulated from the circuit, and is well grounded.
Optimally, a diode and a low-pass filter are sequentially arranged on the low-voltage input line, the current frequency input to the low-voltage input line by the electrophysiology tester host is 1Hz to 30Hz, the voltage is 1V to 20V, the current is 0mA to 50mA, the diode carries out amplitude limiting, and when the low-voltage input line is subjected to strong interference, the voltage exceeds an expected value, the output voltage can still be ensured to be within a specified range, and a protection effect is achieved; the low-pass filter ensures that only signal current lower than the expected frequency value passes through, and also plays a role in resisting disturbance.
Furthermore, a grounded capacitor is arranged on the low-voltage input line in parallel to filter out high-frequency interference signals. More specifically, the capacitance needs to be at least 0.1uF, 10nF, and 1nF each.
The utility model has the advantages that:
the utility model provides a neural monitoring type electricity hook of dual-frenquency input formula, through control box with high-voltage input circuit, low pressure input circuit respectively with the electricity hook connection, through the switching-on and the disconnected shape of high-pressure double-throw isolator control high-voltage circuit and low-voltage circuit, the doctor need not to change electricity hook and nerve probe repeatedly at the operation in-process to reduce doctor's work load, accelerate going on of operation
Drawings
FIG. 1 is a schematic diagram of a dual-frequency input nerve monitoring hook according to an embodiment;
fig. 2 is a schematic view of an electric hook.
Fig. 3 is a circuit connection diagram.
Wherein, 1 is electric crochet hook, 2 is insulating needle cover, 3 are the control box, 4 are high-voltage adapter, 5 are low pressure adapters, 6 are electric crochet hook adapter, and 7 are the switching handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 3, the present embodiment provides a dual-frequency input type nerve monitoring electric hook, which includes an electric hook needle 1 and an insulating needle sheath 2 wrapped outside the electric hook needle 1, and further includes a control box 3, a high-voltage adapter 4, a low-voltage adapter 5, an electric hook adapter 6, and a transfer handle 7, wherein a high-voltage input line, a low-voltage input line, and a high-voltage double-throw isolating switch are disposed in the control box 3, input ends of the high-voltage input line and the low-voltage input line are respectively electrically connected to a high-frequency electrotome host and an electrophysiology tester host through the high-voltage adapter 4 and the low-voltage adapter 5, output ends of the high-voltage input line and the low-voltage input line are respectively connected to two input ends of the high-voltage double-throw isolating switch, and an output end of the high-voltage double-throw isolating switch is connected to one end of the electric hook adapter 6; the high-voltage input line is provided with a protective tube, the outside of the high-voltage input line is also provided with an aluminum shielding cover, the low-voltage input line is sequentially provided with a diode, a low-pass filter and a protective tube, the low-voltage input line is also connected with a grounded capacitor in parallel, and the outside of the low-voltage input line is covered with a copper strong radiation absorption layer; one end cover of switching handle 7 is in insulating needle cover 2 outsides, and the other end is connected with the detachable fraction of electric hook adapter 6, and when electric hook adapter 6 was connected with switching handle 7, electric hook adapter 6 was connected with electric crochet hook 1 is electrically conductive.
When a switch corresponding to a high-voltage input line on a high-voltage double-throw isolating switch is pressed down during laparoscopic surgery, the electric hook is connected with high-voltage high-frequency current input by the high-frequency electric knife host through the high-voltage input line so as to be used for separating, cutting and stopping bleeding of human tissues; when pressing down the switch that corresponds with the low pressure input line on the high pressure double-throw isolator, the disconnection of high pressure input line, the electricity hook is connected into the low pressure low frequency current of electricity physiology tester host computer input through low pressure input line and is used for nervous monitoring, and the doctor need not to change electricity hook and nerve probe repeatedly at the operation in-process to reduce doctor's work load, accelerate going on of operation.
The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.
Claims (7)
1. A double-frequency input type nerve monitoring electric hook comprises an electric hook needle and an insulating needle sleeve wrapped outside the electric hook needle, and is characterized by further comprising a control box, a high-voltage adapter, a low-voltage adapter, an electric hook adapter and a switching handle, wherein a high-voltage input line, a low-voltage input line and a high-voltage double-throw isolating switch are arranged in the control box, the input ends of the high-voltage input line and the low-voltage input line are respectively electrically connected with a high-frequency electrotome host and an electrophysiological tester host through the high-voltage adapter and the low-voltage adapter, the output ends of the high-voltage double-throw isolating switch are respectively connected with two input ends of the high-voltage double-throw isolating switch, and the output end of the high-voltage double-throw isolating switch is connected with one end of the electric hook adapter; the pot head of switching handle is in the insulating needle cover outside, but the other end and the detachable fraction of electric hook adapter are connected, and when electric hook adapter was connected with the switching handle, electric hook adapter was connected with electric hook needle electrically conductive.
2. The dual-frequency input nerve monitoring hook according to claim 1, wherein a high-voltage fuse and a low-current fuse are respectively disposed on the high-voltage input line and the low-voltage input line.
3. The dual-frequency input nerve monitoring hook according to claim 1, wherein the high-voltage input line and the low-voltage input line are externally provided with shielding cases independent of each other.
4. The dual-frequency input nerve-monitoring hook according to claim 3, wherein the shielding case is made of copper or aluminum.
5. The dual-frequency input nerve monitoring hook according to claim 1, wherein a diode and a low-pass filter are sequentially disposed on the low-voltage input line.
6. The dual-frequency input nerve monitoring hook according to claim 1, wherein a grounded capacitor is connected in parallel to the low voltage input line.
7. The dual-frequency input nerve monitoring hook according to claim 6, wherein the capacitance requires at least one each of 0.1uF, 10nF, and 1 nF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456727.4U CN213910498U (en) | 2020-10-29 | 2020-10-29 | Double-frequency input type nerve monitoring type electric hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456727.4U CN213910498U (en) | 2020-10-29 | 2020-10-29 | Double-frequency input type nerve monitoring type electric hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213910498U true CN213910498U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022456727.4U Active CN213910498U (en) | 2020-10-29 | 2020-10-29 | Double-frequency input type nerve monitoring type electric hook |
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|---|---|
| CN (1) | CN213910498U (en) |
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2020
- 2020-10-29 CN CN202022456727.4U patent/CN213910498U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231113 Address after: No. 4, 6th Floor, Unit 1, Building 1, No. 18 Chenghong Road, Chenghua District, Chengdu City, Sichuan Province, 610000 Patentee after: Sichuan Kangyuan Medical Innovation Enterprise Management Co.,Ltd. Address before: 610000 rooms 603 and 606, 6 / F, block a, No. 18, Chenghong Road, Section 2, East Third Ring Road, Chenghua District, Chengdu, Sichuan Patentee before: Sichuan Kangyuan Medical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: Building 2, 2nd Floor, Sichuan Xingshengyuan Pharmaceutical Co., Ltd., South 1st Ring, Industrial Park, Jiangyou City, Mianyang City, Sichuan Province, 621700 Patentee after: Sichuan Yiyuan Zhichuang Technology Co.,Ltd. Address before: No. 4, 6th Floor, Unit 1, Building 1, No. 18 Chenghong Road, Chenghua District, Chengdu City, Sichuan Province, 610000 Patentee before: Sichuan Kangyuan Medical Innovation Enterprise Management Co.,Ltd. |