CN114010268B - Consumable control system of multi-key ultrasonic surgical knife - Google Patents
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- 238000002955 isolation Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
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- 238000001356 surgical procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0803—Counting the number of times an instrument is used
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0807—Indication means
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Abstract
A consumable control system of a multi-key ultrasonic surgical knife comprises a secondary signal control module, a control signal input module and a consumable control module. The secondary signal control module is used for collecting information and data from the control signal input module. The control signal input module comprises a key input unit. The key input unit includes a key sub-unit. Each key sub-unit comprises a key and a voltage dividing resistor. The consumable control module comprises a data storage unit, a data reading unit and a service life judging unit. Only when the consumable control module outputs a key control signal, one of the key sub-units can be conducted to enable the ultrasonic surgical knife to be in an operating state. The consumable control system can avoid using invalid consumables, win precious operation time, and simultaneously medical staff and manufacturers can instantly know the service life of the consumables, so that the consumables can be replaced and stored in time.
Description
Technical Field
The invention relates to the technical field of ultrasonic surgical instrument control, in particular to a consumable control system of a multi-key ultrasonic surgical knife.
Background
The ultrasonic surgical system uses the ultrasonic frequency generator to drive the handle and the cutter head to perform ultrasonic vibration at the ultrasonic frequency (55.5 kHz) so as to perform surgical cutting, and protein hydrogen bonds in contacted tissue cells can be broken during cutting, so that the broken blood vessels are coagulated to stop bleeding, and simultaneously, cutting and closing are realized, so that the ultrasonic surgical system is high in reliability and high in surgical safety. The current ultrasonic surgical system is the most leading basic auxiliary instrument of minimally invasive surgery in the world, is also a necessary medical equipment product in large and medium hospitals in the world and China, and is widely applied to the operations of common surgery, obstetrics and gynecology, urology and the like. Ultrasonic surgical systems generally consist of three major parts, namely a generator, a handle and a knife attachment.
When the ultrasonic waves are transmitted in a certain medium, mechanical, thermal, acoustic and other responses are generated, and the ultrasonic surgical system utilizes the characteristics of the ultrasonic waves to generate mechanical action, thermal action and cavitation action on tissues so as to cut and close the related tissues, thereby realizing clinical application. A reusable ultrasonic surgical blade as disclosed in patent application 201811114966.2 includes a cutter assembly. The cutter assembly includes a cutter bar assembly. When the knife bar assembly vibrates at high frequency, the contacted tissue is cut.
Although the knife assembly may be reusable, during actual use, since the knife assembly itself is life-time, if the life-exhausted knife assembly is used, the procedure cannot be completed, thereby consuming valuable surgical time for the physician. Meanwhile, as the structure and the shape of the cutter bar component are basically identical, the doctor can hardly identify the cutter bar component and record the using times of the cutter bar component. In addition, in the use of knife tackle subassembly, producer also can't keep track of the number of times of recording knife tackle subassembly, can't provide timely change service for medical institution to make the service be difficult to keep up with the demand.
Disclosure of Invention
In view of the above, the present invention provides a consumable control system for a multi-button ultrasonic surgical blade that can solve the above-mentioned problems.
A consumable control system for a multi-button ultrasonic surgical blade, the ultrasonic surgical blade comprising at least one consumable. The consumable control system of the multi-key ultrasonic surgical knife comprises a secondary signal control module, a control signal input module electrically connected with the secondary signal control module, and a consumable control module electrically connected with the control signal input module. The secondary signal control module is used for collecting information and data from the control signal input module. The control signal input module comprises a key input unit electrically connected with the auxiliary signal control module. The key input unit comprises at least two key sub-units which are connected in parallel. Each key sub-unit comprises a key and a voltage dividing resistor electrically connected with the key. The consumable control module comprises a data storage unit, a data reading unit and a service life judging unit, wherein the data storage unit is electrically connected with the key input unit. The data storage unit is used for storing the maximum life value of the consumable. The data reading unit is used for reading the instant life value of the consumable. The life judging unit is used for judging whether the instant life value of the consumable is larger than 0 or not and outputting a key control signal when the instant life value of the consumable is larger than 0. Only when the consumable control module outputs a key control signal, one of the key sub-units can be conducted to enable the ultrasonic surgical knife to be in an operating state.
Further, the consumable control system of the multi-key ultrasonic surgical knife further comprises an electrical isolation module, and the secondary signal control module is electrically connected to the output side of the electrical isolation module.
Further, the consumable is a cutter bar, and a life value of the cutter bar is recorded in the consumable control module.
Further, the key input unit further comprises a detection resistor connected in series with the key input unit, wherein the detection resistor is used for detecting and determining which key sub-unit is turned on and pressed.
Further, the consumable control module further comprises a consumable on-line identification unit, and the consumable on-line identification unit is used for detecting whether the ultrasonic surgical knife is assembled with the consumable and identifying whether the consumable is matched with the ultrasonic surgical knife.
Further, the consumable control module further comprises a consumable database, wherein the consumable database is used for recording the characteristic values and the residual life values of different consumables.
Further, the consumable control module further comprises a delay judgment module, wherein the delay judgment module is used for filtering interference and preventing erroneous judgment.
Further, at least two of the key sub-units are arranged in parallel so that the key input unit is provided with two control wires, and the two control wires are used for transmitting data signals or analog signals.
Further, the consumable control system of the multi-key ultrasonic surgical knife further comprises a main control module arranged on the input side of the electrical isolation module, and the main control module is used for controlling the working state of the ultrasonic surgical knife according to control signals from the auxiliary signal control module and the consumable control module.
Further, the consumable control system can control a 2-wire cutter, the 2-wire cutter comprises two key sub-units which are arranged in parallel, the two key sub-units are respectively connected with one diode, and the connection polarities of the two diodes are opposite.
Compared with the prior art, the consumable control system of the multi-key ultrasonic surgical knife provided by the invention has the advantages that by arranging the secondary signal control module, the consumable control module and the circuit design of the key input unit, the consumable control system can output a control signal for controlling the operation of the ultrasonic surgical knife to be started only when the residual life value of the assembled consumable is larger than 0 and the key in the key sub-unit of the key input unit is pressed, otherwise, the ultrasonic surgical knife can not be started even if the key is pressed. Meanwhile, the judgment can be performed before the operation, so that invalid consumables can be avoided, precious operation time is won, and meanwhile, medical staff and manufacturers can instantly know the service life of the consumables, so that replacement and storage can be timely performed.
Drawings
Fig. 1 is a functional block diagram of a consumable control system of a multi-key ultrasonic surgical knife according to the present invention.
Fig. 2 is one of the physical block diagrams of the consumable control system of the multi-button ultrasonic surgical blade of fig. 1.
Fig. 3 is a second physical block diagram of the consumable control system of the multi-button ultrasonic surgical blade of fig. 1.
Detailed Description
Specific embodiments of the present invention are described in further detail below. It should be understood that the description herein of the embodiments of the invention is not intended to limit the scope of the invention.
Fig. 1 to 3 are schematic structural diagrams of a consumable control system of a multi-key ultrasonic surgical knife according to the present invention. It is known that ultrasonic surgical blades generally include a cutter assembly having a blade bar therein. The cutter bar or the whole cutter is consumable, namely the cutter bar or the whole cutter needs to be scrapped after being used for a period of time, so that parameters such as the use times, the residual times and the like of the cutter bar or the whole cutter need to be monitored in real time. The consumable control system of the multi-key ultrasonic surgical knife comprises an electrical isolation module 10, a main control module 20 electrically connected to the input side of the electrical isolation module 10, a secondary signal control module 30 electrically connected to the output side of the electrical isolation module 10, a control signal input module 40 electrically connected to the secondary signal control module 30, and a consumable control module 50 electrically connected to the control signal input module 40. It is conceivable that the consumable control system of the multi-button ultrasonic surgical blade also serves to control the operation of the ultrasonic surgical blade, such as starting, performing a surgical operation, etc. The consumable control system of the multi-key ultrasonic surgical knife further comprises other electronic components or functional units, such as a buffer, a voltage stabilizing circuit unit, a power supply unit and the like, which are well known to those skilled in the art, and will not be described in detail herein.
The electrical isolation module 10 is configured to electrically isolate the signal input end from the signal output end, i.e. to provide electrical isolation for the main control module 20 and the secondary signal control module 30, but is a prior art, and will not be described herein. The electrical isolation module 10 has an input side and an output side, the input side being connected to the main control module 20 to receive control commands from the main control module 20. It is known that any one of the ultrasonic-surgical-blade systems is connected to a controller that outputs ultrasonic energy of various parameters to drive the ultrasonic-surgical-blade system to operate in accordance with the instructions of the physician. The output side of the electrical isolation module 10 is electrically connected with the secondary signal control module 30, and the signal output by the output side enables the secondary signal control module 30 to start to work normally. Meanwhile, as is well known, the input side and the output side of the electrical isolation module 10 have an output end and an input end, and it is understood that in actual products, the output end and the input end are both metal pins.
The main control module 20 may be a microprocessor, and is configured to monitor whether a consumable is connected, and control the ultrasonic surgical knife to start working and perform a surgical operation according to a control signal output by the control signal input module 40 after the consumable is connected. Specifically, the main control module 20 reads the analog signal value collected by the secondary signal control module 30 through communication, the analog signal can be a key end input value of the consumable system end, the analog signal is used for judging whether a key is pressed down or not, and further controlling the operating state of the surgical knife, and meanwhile, the main control module 20 reads the storage information in the consumable system such as the knife assembly read by the secondary signal control module 30 through communication, and judges whether the consumable system is in the effective life. It is of course conceivable that the main control module 20 may also output or process other control signals, and the working principle and control method thereof are known per se and will not be described in detail herein.
The secondary signal control module 30 may also be a microprocessor, and it may share the microprocessor with the consumable control module 50, i.e. the microprocessor may perform different tasks. The secondary signal control module 30 may interact with the primary control module 20 via a communication interface to control respective control information. The communication interface may be any mode of communication interface. The consumable is connected to the system in 2 lines, the 2-line interface being electrically connected to the module 40, thereby forming a two-line interface. The two-wire interface can be compatible with analog signals and digital signals, namely, the analog signals and the digital signals are time-division multiplexed in the two-wire interface. The main operations of the secondary signal control module 30 for the control signal input module 40 and the consumable control module 50 are to collect ADC analog data, identify keys, and operate the storage unit, i.e. I C to read, write, send and receive information, etc.
The control signal input module 40 includes a key input unit 41 electrically connected to the secondary signal control module 30, and a detection resistor 42 connected in series with the key input unit 41. The KEY input unit 41 is connected in series to the secondary signal control module 30 through two wires, specifically, the two wires of the KEY input unit 40 are electrically connected to the key+ pin and the KEY-pin of the microprocessor, respectively. The key input unit 41 includes at least two key sub-units 411 connected in parallel, and at least two voltage dividing resistors 412 electrically connected to each key sub-unit 411. Any two of the key sub-units 411 are arranged in parallel so that the key input unit 40 has only two control wires. The key sub-unit 411 may be a switch. In this embodiment, the key input unit 41 includes n key sub-units 411, such as 5. The switch itself should be of the prior art, such as a push-button switch, etc., and will not be described in detail herein. The voltage dividing resistor 412 is used to identify which switch is turned on. When a certain switch is turned on, the voltage dividing value between each of the voltage dividing resistors 412 and the detection resistor 42 is different, so that it is possible to identify which switch is turned on. The detection resistor 42 is conventional per se, and will not be described in detail herein. As can be seen from the physical circuit diagrams of fig. 2 and 3, the detection resistor 42 is provided in the generator, and the key input unit 41 is provided in the ultrasonic blade, and it is detected by the detection resistor 42 which key input unit 41 is turned on and pressed.
The consumable control module 50 includes a consumable database 51, a data storage unit 52 electrically connected to the key input unit 40, a data reading unit 53, a lifetime judging unit 54, a consumable online identification unit 55, a delay judging module 56, and a control signal output unit 57. It is conceivable that the consumable control module 50 further includes other functional units, such as a consumable self-test unit, a standby functional unit, etc., according to actual needs, which are functions commonly known in the art, and will not be described in detail herein. The consumable database 51 is used for recording information of each consumable, such as consumable model number and serial number, and the remaining life of the consumable corresponding to each serial number. The data storage unit 52 may be a I C memory chip, which is connected in parallel to the circuit of the key sub-unit 411, and is used for obtaining which key switch is pressed, recording the number of times the key is pressed, and updating the information of the consumable with the corresponding number, such as updating the remaining life of the consumable. As shown in the physical circuit diagrams of fig. 2 and 3, the data storage unit 52, i.e., I C, is fixedly disposed in the ultrasonic surgical blade. The data reading unit 53 is used for reading information, such as a number, of consumable materials such as a knife holder, etc., assembled for the ultrasonic surgical blade. The lifetime judgment unit 54 is used to judge the lifetime of the assembled consumable, i.e., the remaining number of times. If the remaining number of times is equal to 0, an alarm signal is output by the control signal output unit 57 while a control signal is output for the sub-signal control module 30. When the sub-signal control module 30 receives the control signal, the output of the control signal to the main control module 30 is stopped, and the ultrasonic surgical blade does not output even if any one of the key sub-units 411 is pressed. The consumable online identification unit 55 is used for identifying whether the consumable is assembled into the consumable, and whether the assembled consumable meets the requirement, such as whether the consumable is matched with the consumable control system. Invalid consumable access can be prevented by the consumable online identification unit 55. Of course, if the consumable control system is always in a power-on state, the consumable online identification unit 55 will be cycled until there is a valid consumable access. The delay judging module 56 is used for filtering interference, preventing erroneous judgment, namely judging the time of the inserted consumable, if the consumable insertion time is too short, the delay judging module 56 will not output a control signal, so as to avoid the interference of erroneous insertion to the whole control system and prevent erroneous judgment. The control signal output unit 57 is configured to receive control signals from the respective functional units, transmit the control signals to the secondary signal control module 30, and transmit the control signals to the primary control signal and the peripheral devices such as the display device by the secondary signal control module 30.
For the physical diagram provided in fig. 2, after the consumable is assembled into the ultrasonic scalpel, the consumable control module 50 performs identification detection on the consumable, and if the consumable is matched with the ultrasonic scalpel and the remaining use times are not zero, the consumable control module indicates that the ultrasonic scalpel can be used. Under the condition that the delay time meets the requirement, any one of the KEY switches in the KEY sub-unit 411 is pressed, and when the IO1 of the secondary signal control module 30 pulls up the key+ end and the IO2 pulls down the KEY-end, the KEY-and the key+ end form an effective loop, and the Analog2 interface is used as an ADC Analog signal interface to read the partial pressure value between the Rn and the R379 end. Or when the KEY+ end is pulled down from IO1 and the KEY-end is pulled down, the KEY+ and the KEY-end form an effective loop, and an Analog1 interface is used as an ADC Analog signal interface to read the partial pressure value between R382 and Rn, so that the ultrasonic scalpel can be started and used under the control of the main control module 20. Meanwhile, the secondary signal control module 30 sets the KEY-end as an output mode and pulls down the KEY-signal, the data storage unit 52, i.e. the IC chip, forms a loop, and can enter a working mode, and the secondary signal control module 30 can perform read-write operation on the IC, so as to ensure the correct use of the consumable.
It is contemplated that for certain situations, the IC chip may not be provided at times, and the consumable control system provided by the present invention may also control a conventional 2-wire tool. The 2-wire cutter comprises two key sub-units which are arranged in parallel, wherein the two key sub-units are respectively connected with one diode, and the connection polarities of the two diodes are opposite. The consumable control system provided by the invention can also control the normal operation of the consumable control system, namely the consumable control system is compatible with the traditional ultrasonic scalpel system.
Compared with the prior art, the consumable control system of the multi-key ultrasonic surgical knife provided by the invention has the advantages that by arranging the secondary signal control module, the consumable control module and the circuit design of the key input unit, the consumable control system can output a control signal for controlling the operation of the ultrasonic surgical knife to be started only when the residual life value of the assembled consumable is larger than 0 and the key in the key sub-unit of the key input unit is pressed, otherwise, the ultrasonic surgical knife can not be started even if the key is pressed. Meanwhile, the judgment can be performed before the operation, so that invalid consumables can be avoided, precious operation time is won, and meanwhile, medical staff and manufacturers can instantly know the service life of the consumables, so that replacement and storage can be timely performed.
The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.
Claims (9)
1. A consumable control system for a multi-button ultrasonic surgical blade, the ultrasonic surgical blade comprising at least one consumable, characterized in that: the consumable control system of the multi-key ultrasonic surgical knife comprises a secondary signal control module, a control signal input module electrically connected with the secondary signal control module, and a consumable control module electrically connected with the control signal input module, wherein the secondary signal control module is used for collecting information and data from the control signal input module, the control signal input module comprises a key input unit electrically connected with the secondary signal control module, and a detection resistor connected with the key input unit in series, the detection resistor is used for detecting and determining which key sub-unit is conducted and pressed, the key input unit comprises at least two key sub-units connected in parallel, at least two key sub-units are connected in parallel so that the key input unit is provided with two control wires, each key sub-unit comprises a key, and a divider resistor electrically connected with the key, the consumable control module comprises a data storage unit electrically connected with the key input unit, a data reading unit, and a life time judging unit, wherein the IC (integrated circuit) is used for immediately reading a value of the key is the value of which is the largest when the value of the corresponding to the value of the life of the consumable is read, and the value of the consumable is recorded when the value of the consumable is equal to or larger than 0 is read, and the value of the value is recorded in real-time, and the value of the value is used for immediately reading the value of the life of the consumable is recorded, only when the consumable control module outputs a key control signal, one of the key sub-units can be conducted to enable the ultrasonic surgical knife to be in an operating state.
2. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable control system of the multi-key ultrasonic surgical knife further comprises an electrical isolation module, and the auxiliary signal control module is electrically connected to the output side of the electrical isolation module.
3. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable is a cutter bar, and the service life value of the cutter bar is recorded in the consumable control module.
4. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable control module further comprises a consumable on-line identification unit, and the consumable on-line identification unit is used for detecting whether the ultrasonic surgical knife is assembled with the consumable and identifying whether the consumable is matched with the ultrasonic surgical knife.
5. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable control module further comprises a consumable database, wherein the consumable database is used for recording characteristic values and residual life values of different consumables.
6. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable control module further comprises a delay judging module, wherein the delay judging module is used for filtering interference and preventing erroneous judgment.
7. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: two of the control wires are used for transmitting data signals or analog signals.
8. The consumable control system of the multi-button ultrasonic surgical blade of claim 2, wherein: the consumable control system of the multi-key ultrasonic surgical knife further comprises a main control module arranged on the input side of the electrical isolation module, and the main control module is used for controlling the working state of the ultrasonic surgical knife according to control signals from the auxiliary signal control module and the consumable control module.
9. The consumable control system of a multi-button ultrasonic surgical blade of claim 1, wherein: the consumable control system can control a 2-wire cutter, the 2-wire cutter comprises two key sub-units which are arranged in parallel, the two key sub-units are respectively connected with one diode, and the connection polarities of the two diodes are opposite.
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| CN114010268A (en) | 2022-02-08 |
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