CN106725834B - Automatic recognition radio frequency handle and radio frequency operation assembly - Google Patents
Automatic recognition radio frequency handle and radio frequency operation assembly Download PDFInfo
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- CN106725834B CN106725834B CN201611258253.4A CN201611258253A CN106725834B CN 106725834 B CN106725834 B CN 106725834B CN 201611258253 A CN201611258253 A CN 201611258253A CN 106725834 B CN106725834 B CN 106725834B
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- 239000002184 metal Substances 0.000 claims description 43
- 230000009471 action Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 abstract description 22
- 238000005345 coagulation Methods 0.000 abstract description 22
- 238000005520 cutting process Methods 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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Abstract
The invention discloses an automatic identification radio frequency handle and a radio frequency operation assembly, wherein the radio frequency handle comprises a handle shell, and the front end of the handle shell is provided with a plug-in port for installing a radio frequency cutter; the automatic identification device is arranged at the inserting interface and used for identifying the type of the inserted radio frequency cutter; the automatic identification of the cutter type can be realized, misoperation of the cutting control key and the coagulation control key is avoided, operation safety is guaranteed, operation is convenient, improvement of operation efficiency is facilitated, and the automatic identification device is simple in structure and system and low in cost; meanwhile, the same power adjusting key can be used for independently adjusting and controlling different types of cutters, the system is simple, the operation is convenient, the number of wires connected between the handle and the host computer is effectively reduced, the cost is saved, and the assembly is convenient.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an automatic identification radio frequency handle and a radio frequency operation assembly.
Background
In medical operation, a radio frequency electric wave knife is often used, the radio frequency electric wave knife adopts a directional radio frequency emission technology, a high frequency radio frequency electric wave is generated by the tip of an electrode and is contacted with a patient tissue, and water molecules in the tissue are instantaneously oscillated and vaporized under the action of electric wave due to the fact that impedance of the patient tissue absorbs the electric wave, so that cells burst and evaporate, and the functions of cutting, coagulation, ablation and the like are further realized; in the prior art, a radio frequency handle is generally suitable for different types of cutters, such as a cutting radio frequency cutter, a coagulation radio frequency cutter and an ablation radio frequency cutter, a cutting control key, a coagulation control key and an ablation control key are correspondingly arranged on the radio frequency handle, and a doctor identifies the type of the currently installed radio frequency cutter through observation and then operates the corresponding control key on the radio frequency handle. However, in the operation process, the tool type is easy to observe and identify errors and control keys are easy to operate wrongly, and the operation risk is high. In order to overcome error operation, a function switching button is usually arranged on a handle or a host, but the complexity of an instrument structure and a system is high, the operation process is complex, and the improvement of operation efficiency is not facilitated.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects in the prior art, provide an automatic identification radio frequency handle and a radio frequency operation assembly, realize automatic identification of the cutter type, avoid misoperation of a cutting control key and a coagulation control key, ensure operation safety, and have simple structure and system, convenient operation and benefit for improving operation efficiency.
The invention discloses an automatic identification radio frequency handle, which comprises a handle shell, wherein the front end of the handle shell is provided with a plug-in port for installing a radio frequency cutter; the automatic identification device is arranged at the inserting interface and used for identifying the type of the inserted radio frequency cutter.
Further, the automatic identification device comprises a plurality of identification electrical contacts fixed on the handle shell, and the radio frequency cutters of different types are electrically connected with the corresponding identification electrical contacts so as to realize the identification of the radio frequency cutters.
Further, an identification switch is formed between at least two identification electrical contacts; the automatic identification radio frequency handle also comprises an identification circuit, the identification circuit comprises a plurality of identification resistors, an identification switch and at least one identification resistor are connected in series to form a series branch, two ends of each series branch are respectively and electrically connected to form a parallel structure, and two ends of the parallel structure form identification output ends.
Further, the device also comprises at least one group of key contact pairs and key identification resistors, wherein the key contact pairs and the key identification resistors are used for identifying and controlling key actions, one group of key contact pairs and the at least one key identification resistor are connected in series to form a key serial branch, and two ends of each key serial branch are respectively and electrically connected with two ends of at least one key serial branch.
Further, after different radio frequency cutters are inserted into the inserting interfaces, corresponding identification switches are conducted, and then the effective resistance of the parallel structure is changed, and the identification output end outputs corresponding radio frequency cutter identification voltage signals according to the effective resistance of the parallel structure and combining with a voltage division principle.
Further, after the control key is pressed, the control key identification resistor is connected in parallel to the parallel structure, and then the effective resistance value of the parallel structure is jointly changed by combining the identification resistor corresponding to the inserted radio frequency cutter in the parallel structure, and the identification output end outputs a corresponding key identification voltage signal according to the effective resistance value of the parallel structure and combining a voltage division principle.
Further, when the pressed control key is matched with the inserted radio frequency tool, the identification output end outputs a key identification voltage signal corresponding to the control key.
Further, the identification electrical contact is an elastic metal piece for pressing the radio frequency cutter inwards along the radial direction, and at least three elastic metal pieces are respectively arranged on two sides of the central axis of the radio frequency cutter.
Further, the elastic metal piece is an elastic metal sleeve with a deformation joint arranged on the side wall along the axial direction.
Further, the handle comprises a mounting column fixedly connected to the handle shell and used for being sleeved with the inner sleeve and fixing the elastic metal sleeve, the section of the mounting column is rectangular, the length of the rectangular is equal to the diameter of the elastic metal sleeve, or the section of the mounting column is elliptical, and the long axis of the ellipse is equal to the diameter of the elastic metal sleeve.
The invention also discloses a radio frequency operation assembly comprising the automatic identification radio frequency handle, the radio frequency operation assembly further comprises a plurality of types of radio frequency cutters, the tail ends of the radio frequency cutters are fixedly provided with conductive pieces in an insulating mode, the conductive pieces of different radio frequency cutters are different in setting positions or different in shapes or different in inserting depths of the conductive pieces into the radio frequency handle, the inserting ports are provided with a plurality of identification electrical contacts, and the different types of radio frequency cutters are electrically connected with the corresponding identification electrical contacts through the conductive pieces of the radio frequency cutters so as to realize identification of the radio frequency cutters.
The beneficial effects of the invention are as follows: according to the automatic identification radio frequency handle and the radio frequency operation assembly, through the arrangement of the automatic identification device, the type of a cutter can be automatically identified, misoperation of a cutting control key and a coagulation control key is avoided, operation safety is guaranteed, operation is convenient, improvement of operation efficiency is facilitated, and the automatic identification radio frequency handle and the automatic identification radio frequency operation assembly are simple in structure and system and low in cost; meanwhile, the same power adjusting key can be used for independently adjusting and controlling different types of cutters, the system is simple, the operation is convenient, the number of wires connected between the handle and the host computer is effectively reduced, the cost is saved, and the assembly is convenient.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of a structure for installing a RF tool in the present invention;
FIG. 2 is a schematic view of an alternative RF tool configuration according to the present invention;
FIG. 3 is a schematic view of the structure of the elastic metal sleeve according to the present invention;
fig. 4 is a diagram of an identification circuit in the present invention.
Detailed Description
Fig. 1 is a schematic structural view of a radio frequency tool according to the present invention, fig. 2 is a schematic structural view of another radio frequency tool according to the present invention, fig. 3 is a schematic structural view of an elastic metal sleeve according to the present invention, fig. 4 is a diagram of an identification circuit according to the present invention, and an automatic identification radio frequency handle according to the present embodiment is shown; the radio frequency knife comprises a handle shell 1, wherein the front end of the handle shell 1 is provided with a plug-in port 2 for installing a radio frequency knife 2 a; the automatic identification device is arranged at the inserting port 2 and used for identifying the type of the inserted radio frequency cutter; the handle housing 1 may be a pen-holding rod-shaped housing or a gun-shaped handle, in this embodiment, the pen-holding handle is taken as an example, for convenient operation, the central axis of the plug-in interface 2 may be coaxial with the central axis of the handle housing 1, the automatic identification device may be a reader in the existing radio frequency identification technology, the reader reads the information of the electronic tag on the radio frequency cutter 2a and transmits the information to the host for identification, or other existing identification devices are adopted, the purpose of the invention can be achieved, by setting the automatic identification device, the cutter type can be automatically identified, incorrect operation of control keys of different types is avoided, operation safety is ensured, operation is convenient, and improvement of operation efficiency is facilitated.
In this embodiment, the automatic identification device includes a plurality of identification electrical contacts fixed to the handle housing 1, and is used for identifying at least two types of radio frequency cutters 2a, and the different types of radio frequency cutters 2a are electrically connected to the corresponding identification electrical contacts so as to realize the identification of the radio frequency cutters 2 a; the two identification electric contacts are at least two, an identification switch is formed between the two identification electric contacts, for the two radio frequency cutters, after the radio frequency cutters 2a of different types are inserted, the two identification electric contacts are conducted or not conducted through arranging the electric conductors at the tail ends of the two radio frequency cutters (one radio frequency cutter can be provided with the electric conductor, the other radio frequency cutter is not provided with the electric conductor), and the on-off of the identification switch is judged by a host machine so as to realize the identification of the radio frequency cutter 2a, so that the radio frequency cutter has simple structure and system and lower cost; of course, 3 identification electrical contacts can be arranged to form at least 2 identification switches, and the radio frequency cutters 2a of different types realize the identification of the corresponding radio frequency cutters by conducting the corresponding identification switches; the number of the identification switches is preferably at least 2, and the identification switches can also ensure that whether the radio frequency cutter is inserted or not is identified; the type of the corresponding radio frequency cutter 2a is judged by the host machine through the closing of different identification switches, which is not described in detail herein.
In this embodiment, an identification switch is formed between at least two of the identification electrical contacts; the automatic identification radio frequency handle also comprises an identification circuit, wherein the identification circuit comprises a plurality of identification resistors, an identification switch and at least one identification resistor are connected in series to form a series branch, two ends of each series branch are respectively and electrically connected to form a parallel structure, and two ends of the parallel structure form identification output ends; this embodiment takes 3 identification contacts as an example: the identification electrical contact comprises a first electrical contact 3, a second electrical contact 4 and a third electrical contact 5, the second electrical contact 4 and the third electrical contact 5 are on the same side, the first electrical contact 3 is opposite to the second electrical contact 4 and the third electrical contact 5, a first identification switch S1 is formed between the first electrical contact 3 and the second electrical contact 4, and a second identification switch S2 is formed between the first electrical contact 3 and the third electrical contact 5; in another embodiment, the identification electrical contacts comprise four, namely a fourth electrical contact (not shown in the figure) is added on the same side of the first electrical contact 3, a first identification switch S1 is formed between the first electrical contact 3 and the second electrical contact 4, and a second identification switch S2 is formed between the fourth electrical contact and the third electrical contact 5; in other embodiments, the identification electrical contact forming one identification switch may be two electrical contacts disposed on the same side, or two or more electrical contacts together form one identification switch.
The automatic identification radio frequency handle further comprises an identification circuit, the identification circuit comprises a first identification resistor R1 and a second identification resistor R2, the first identification resistor R1 is connected with the first identification switch S1 in series to form a first serial branch, the second identification resistor R2 is connected with the second identification switch S2 in series to form a second serial branch, two ends of the first serial branch and two ends of the second serial branch are respectively and electrically connected to form a parallel structure, and two ends of the parallel structure form identification output ends; the corresponding identification switches are conducted after different radio frequency cutters are inserted into the inserting interfaces, the effective resistance of the parallel structure is changed, the identification output end outputs corresponding radio frequency cutter identification voltage signals according to the effective resistance of the parallel structure and the voltage division principle, according to the voltage division principle, when different identification resistors are connected in parallel to the identification parallel structure, the voltage values of the identification output end are different, the host computer can know which identification switch is conducted by reading the voltage values and comparing the voltage values with preset voltage values, and therefore the radio frequency cutter 2a is identified. Of course, the first identification resistor R1 and the second identification resistor R2 are different in size, so that the same identification voltage is avoided. In this embodiment, each identification resistor is fixedly disposed in the handle housing, and in addition, the identification resistor may be disposed in the host. To avoid short circuit, a main voltage dividing resistor R can be connected in series with a parallel structure 0 . In addition, a dc power source VCC may be connected in series to the parallel structure to provide a power voltage to the parallel structure, where the dc power source VCC may be a dry battery or a storage battery disposed in the handle housing 1, or may be directly provided by a host of the rf electric wave knife system.
Further adopting the following embodiment to explain, when the first rf tool (as shown in fig. 1) is inserted, the first electrical contact 3 and the second electrical contact 4 are turned on, the first identification switch S1 is closed, and the host reads the voltage value on the path where the first identification resistor R1 is located, so as to identify that the currently inserted tool is the first rf tool; when a second radio frequency cutter (shown in fig. 2) is inserted, the first electrical contact 3 and the third electrical contact 5 are conducted, the second identification switch S2 is closed, and the host reads the voltage value on the path where the second identification resistor R2 is located, so that the cutter which is currently inserted is identified as the second radio frequency cutter.
In this embodiment, the electronic device further includes at least one set of key contact pairs and key identification resistors for identifying and controlling the key actions, where a set of key contact pairs and at least one key identification resistor are connected in series to form a key serial branch, and two ends of each key serial branch are respectively and electrically connected with two ends of at least one key serial branch; after the control key is pressed, the control key is connected in parallel to the parallel structure through the corresponding control key identification resistor, and then the effective resistance value of the parallel structure is jointly changed by combining the identification resistor corresponding to the inserted radio frequency cutter in the parallel structure, and the identification output end outputs a corresponding key identification voltage signal according to the effective resistance value of the parallel structure and combining the voltage division principle; in this embodiment, taking the first rf tool as the coagulation rf tool and the second rf tool as the cutting rf tool as an example: the control keys comprise a coagulation switch key 6, a cutting switch key 7 and a power adjustment key 8; the coagulation switch key 6, the cutting switch key 7 and the power adjusting key 8 are respectively and correspondingly provided with an identification resistor R3, an identification resistor R4 and an identification resistor R5, and each key contact pair respectively forms a coagulation key switch S3, a cutting key switch S4 and a power key switch S5; each control key is provided with a corresponding key serial branch, and two ends of each key serial branch are respectively and electrically connected with two ends of the first serial branch or the second serial branch; further adopting the following embodiment to explain, when the coagulation radio frequency cutter is inserted, the host computer recognizes the coagulation radio frequency cutter according to the voltage value on the path where the first recognition resistor R1 is positioned; when the coagulation switch key 6 is pressed, the host reads the voltage value on the path of the parallel circuit formed by the first identification resistor R1 and the identification resistor R3, compares the voltage value with a preset value corresponding to coagulation work, and controls the coagulation radio frequency cutter to work according to matching.
Preferably, when the pressed control key is matched with the inserted radio frequency tool, the identification output end outputs a key identification voltage signal corresponding to the control key, otherwise, when the pressed control key is not matched with the inserted radio frequency tool, the identification output end cannot output the key identification voltage signal corresponding to the control key. For example, when the coagulation radio frequency cutter is inserted, the coagulation switch key 6 is activated and the cut switch key 7 is deactivated, when the cut radio frequency cutter is inserted, the cut switch key 7 is activated and the coagulation switch key 6 is deactivated, i.e. the cutter will only work when the switch key corresponding to the function of the currently inserted cutter is pressed, otherwise the cutter will not work, ensuring operation safety, avoiding misoperation. Further adopting the following embodiment to explain, when the coagulation radio frequency cutter is inserted, the host computer recognizes the coagulation radio frequency cutter according to the voltage value on the path where the first recognition resistor R1 is positioned; when the cutting switch button 7 is pressed, the host reads the voltage value on the path of the parallel circuit formed by the first identification resistor R1 and the identification resistor R4, compares the voltage value with a preset value corresponding to coagulation work, and refuses to start the coagulation radio frequency cutter if the voltage value is not matched with the preset value. The same principle is also adopted for identifying the control keys of the cutting radio frequency cutter.
Similarly, the power adjusting key 8 can be used for independently adjusting and controlling different types of cutters, the system is simple, the operation is convenient, the number of wires connected between the handle and the host is effectively reduced, the cost is saved, and the assembly is convenient; each identification resistor is fixed in the handle shell 1; of course, the control key and the radio frequency cutter 2a are not limited to the above structure, and are not described herein again; through parallelly connected to parallelly connected structure of button series connection branch road, can realize that radio frequency cutter 2a discernment and button discernment overlap, realize controlling the button and switch over and control corresponding radio frequency cutter 2a automatically, simple structure, work efficiency is high.
In this embodiment, the identification electrical contact is an elastic metal piece for pressing the rf tool 2a radially inward, and at least three elastic metal pieces are respectively arranged at two sides of the central axis of the rf tool 2 a; one elastic metal piece (a first electric contact 3 shown in the figure) is positioned on one side of the central axis of the radio frequency cutter 2a, the other two elastic metal pieces (comprising a second electric contact 4 and a third electric contact 5) are positioned on the other opposite side of the central axis of the radio frequency cutter 2a, and the elastic metal pieces are used as identification electric contacts to ensure the stability of electric contact, simultaneously facilitate the fixation of the radio frequency cutter 2a and facilitate the convenient insertion and extraction of the radio frequency cutter 2a.
In the embodiment shown in fig. 3, the elastic metal piece is an elastic metal sleeve 30 with a deformation joint 9 arranged on the side wall along the axial direction, and central axes of the three elastic metal sleeves are all arranged in parallel and distributed in a triangle shape; the elastic metal sleeve structure with the deformation joint is beneficial to ensuring the toughness and larger elastic force of the identification electrical contact. The central axes of the three elastic metal sleeves are arranged in parallel, so that the contact area between the elastic metal sleeves and the conductive section of the radio frequency cutter 2a is increased; the central axes of the three elastic metal sleeves are distributed in a triangle, so that the identification of at least two kinds of cutters can be realized, and the independent conduction of every two elastic metal sleeves can be realized only by arranging conductive sections at different positions on different radio frequency cutters 2a, thereby being beneficial to reducing the number of the elastic metal sleeves; meanwhile, the clamping stability of the radio frequency cutter 2a is guaranteed to be higher under the action of three elastic forces, and the clamping force of the elastic metal sleeve on the radio frequency cutter 2a is improved.
In the embodiment shown in fig. 3, the handle further comprises a mounting post 10 fixedly connected to the handle housing 1 for inner sleeve and fixing the elastic metal sleeve 30, wherein the cross section of the mounting post 10 is rectangular and the length of the rectangle is equal to the diameter of the elastic metal sleeve, or the cross section of the mounting post 10 is elliptical and the long axis of the ellipse is equal to the diameter of the elastic metal sleeve; of course, the thickness of the elastic metal sleeve 30 is the same as the height of the mounting post 10, which is beneficial to ensuring that the elastic metal sleeve 30 is limited and fixed in the axial direction of the elastic metal sleeve 30, namely, one end of the elastic metal sleeve 30 is propped against the mounting seat 11 of the fixed mounting post 10, the other end of the elastic metal sleeve is propped against and fixed by the handle shell 1, and the cross section of the mounting post 10 is set to be rectangular or elliptical, the long axis of the rectangular or elliptical is equal to the diameter of the elastic metal sleeve 30, so that the position of the contact point between the elastic metal sleeve 30 and the radio frequency cutter 2a is unchanged in the axial direction after deformation, and the position control accuracy of the elastic metal sleeve 30 as the contact point is ensured, and particularly, the erroneous connection of the identification electrical contact is avoided under the condition that the type of the radio frequency cutter 2a is required to be identified.
In this embodiment, the central axis of the elastic metal sleeve is perpendicular to the central axis of the plug connector 2; ensure the smooth insertion and extraction of the radio frequency identification cutter and facilitate the convenient use.
The invention also discloses a radio frequency operation assembly comprising the automatic identification radio frequency handle, the radio frequency operation assembly further comprises a plurality of types of radio frequency cutters 2a, the tail ends of the various radio frequency cutters 2a are fixedly provided with conductive pieces in an insulating manner, the conductive pieces of the different radio frequency cutters are arranged at different positions or in different shapes or the conductive pieces are inserted into the radio frequency handle at different depths, the plug-in port 2 is provided with a plurality of identification electrical contacts, and the different types of radio frequency cutters 2a are electrically connected with the corresponding identification electrical contacts through the conductive pieces of the different radio frequency cutters so as to realize the identification of the radio frequency cutters 2 a; as shown in the figure, the conductive piece is a conductive sleeve 12, the identification electrical contact is correspondingly conducted according to the insertion depth of the conductive sleeve, the identification signal is output to the host computer according to the corresponding conduction of the identification electrical contact, the operation is simple, the operation efficiency is high, misoperation of a control key is avoided, and the operation safety is ensured.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (11)
1. An automatic discernment radio frequency handle is connected with radio frequency cutter and radio frequency host computer respectively, its characterized in that: the radio frequency knife comprises a handle shell, wherein the front end of the handle shell is provided with a plug interface for installing a radio frequency knife; the automatic identification device is arranged at the interface and used for identifying the type of the inserted radio frequency tool, and comprises a plurality of paths of serial branches which are connected in parallel to form an identification output end; the system also comprises a plurality of key serial branches for identifying the actions of the control keys, wherein the plurality of key serial branches are connected with the plurality of key serial branches in parallel;
when the radio frequency cutter is inserted, the identification output end outputs a radio frequency cutter identification voltage signal corresponding to the series branch of the radio frequency cutter to the radio frequency host machine, so that the radio frequency host machine can identify the type of the radio frequency cutter and read a preset value corresponding to the type; when a control key is pressed, the identification output end outputs a key identification voltage signal corresponding to a parallel structure formed by a serial branch conducted by the radio frequency cutter and a key serial branch conducted by the control key to a radio frequency host, so that the radio frequency host can match the key identification voltage signal with the preset value; when matching, the radio frequency cutter works; and when the radio frequency cutter is not matched, the radio frequency cutter does not work.
2. The automatic identification radio frequency handle of claim 1, wherein: the automatic identification device comprises a plurality of identification electrical contacts fixed on the handle shell, and the radio frequency cutters of different types are electrically connected with the corresponding identification electrical contacts so as to realize the identification of the radio frequency cutters.
3. The automatic identification radio frequency handle of claim 2, wherein: an identification switch is formed between at least two identification electrical contacts; the automatic identification radio frequency handle also comprises an identification circuit, the identification circuit comprises a plurality of identification resistors, an identification switch and at least one identification resistor are connected in series to form a series branch, two ends of each series branch are respectively and electrically connected to form a parallel structure, and two ends of the parallel structure form identification output ends.
4. The automatic identification radio frequency handle of claim 3, wherein: the device also comprises at least one group of key contact pairs and key identification resistors, wherein the key contact pairs and the key identification resistors are used for identifying and controlling key actions, one group of key contact pairs and the at least one key identification resistor are connected in series to form a key series branch, and two ends of each key series branch are respectively and electrically connected with two ends of at least one key series branch.
5. The automatic identification radio frequency handle of claim 3, wherein: the identification output end outputs corresponding identification voltage signals of the radio frequency cutters according to the effective resistance value of the parallel structure and combining the voltage division principle.
6. The automatic identification radio frequency handle of claim 4, wherein: after the control key is pressed, the corresponding control key identification resistor is connected in parallel to the parallel structure, and then the effective resistance value of the parallel structure is jointly changed by combining the identification resistor corresponding to the inserted radio frequency cutter in the parallel structure, and the identification output end outputs a corresponding key identification voltage signal according to the effective resistance value of the parallel structure and combining the voltage division principle.
7. The automatic identification radio frequency handle of claim 6, wherein: when the pressed control key is matched with the inserted radio frequency cutter, the identification output end outputs a key identification voltage signal corresponding to the control key.
8. The automatic identification radio frequency handle of claim 2, wherein: the identification electrical contact is an elastic metal piece for pressing the radio frequency cutter inwards along the radial direction, and at least three elastic metal pieces are respectively arranged on two sides of the central axis of the radio frequency cutter.
9. The automatic identification radio frequency handle of claim 8, wherein: the elastic metal piece is an elastic metal sleeve with a deformation joint arranged on the side wall along the axial direction.
10. The automatic identification radio frequency handle of claim 9, wherein: the handle is characterized by further comprising a mounting column fixedly connected to the handle shell and used for sleeving and fixing the elastic metal sleeve, wherein the section of the mounting column is rectangular, the length of the rectangular is equal to the diameter of the elastic metal sleeve, or the section of the mounting column is elliptical, and the major axis of the ellipse is equal to the diameter of the elastic metal sleeve.
11. A radio frequency operating assembly, characterized by: the automatic identification radio frequency handle according to any one of claims 1-10, the radio frequency operation assembly further comprises a plurality of types of radio frequency cutters, conductive pieces are fixedly arranged at the tail ends of the radio frequency cutters in an insulating mode, the conductive pieces of different radio frequency cutters are arranged at different positions or in different shapes or are inserted into the radio frequency handle to different depths, the plug-in port is provided with a plurality of identification electrical contacts, and the different types of radio frequency cutters are electrically connected with the corresponding identification electrical contacts through the conductive pieces of the different types of radio frequency cutters to further realize identification of the radio frequency cutters.
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| CN110916762B (en) * | 2019-07-01 | 2022-05-17 | 广州易和医疗技术开发有限公司 | Multi-output minimally invasive surgery system based on resistance network |
| CN111643182A (en) * | 2020-05-14 | 2020-09-11 | 上海倍可达医疗科技有限公司 | Multi-frequency tumor thermal ablation equipment, ablation instrument, control method and device |
| CN114073442B (en) * | 2020-08-21 | 2024-07-30 | 北京石头世纪科技股份有限公司 | Dust collector and working mode selection method thereof |
| CN114371647B (en) * | 2021-12-23 | 2023-07-18 | 华南理工大学 | Surgical instrument key system with ID recognition function |
| CN117636611A (en) * | 2023-10-23 | 2024-03-01 | 邦士医疗科技股份有限公司 | Integrated control system for surgical power handle and data flow control and response method thereof |
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| CN106725834A (en) | 2017-05-31 |
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