WO2021078196A1 - Dispositif chirurgical et son procédé de détection - Google Patents

Dispositif chirurgical et son procédé de détection Download PDF

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Publication number
WO2021078196A1
WO2021078196A1 PCT/CN2020/122877 CN2020122877W WO2021078196A1 WO 2021078196 A1 WO2021078196 A1 WO 2021078196A1 CN 2020122877 W CN2020122877 W CN 2020122877W WO 2021078196 A1 WO2021078196 A1 WO 2021078196A1
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WIPO (PCT)
Prior art keywords
component
detected
voltage threshold
surgical device
assembly
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PCT/CN2020/122877
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English (en)
Chinese (zh)
Inventor
张翚
杨斌
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苏州英途康医疗科技有限公司
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Publication of WO2021078196A1 publication Critical patent/WO2021078196A1/fr

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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
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B17/1222—Packages or dispensers therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A61B2017/00119—Electrical control of surgical instruments with audible or visual output alarm; indicating an abnormal situation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • A61B2560/0276—Determining malfunction

Definitions

  • the embodiment of the present disclosure relates to a surgical device and a detection method thereof.
  • Hemostasis technology has become one of the core surgical techniques. Surgical operations on any part of the human body almost without exception involve bleeding and hemostasis. Generally, a clip applicator ligation clip is used to close the hemostasis.
  • the embodiment of the present disclosure relates to a surgical device and a detection method thereof.
  • a surgical device including: an adapter; a shaft assembly connected to the adapter, the shaft assembly including: a clamp assembly and a clamp, the clamp assembly including A ligation clip, the clamping bin assembly is configured to deliver the ligation clip to the clamp; the surgical operation device further includes: an element to be detected, a detection circuit electrically connected to the element to be detected, and a detection circuit electrically connected to the detection circuit An electrically connected control component; the control component is configured to send a detection signal to the detection circuit; the detection circuit is configured to detect the component to be detected according to the detection signal, and send the detection result to the control Component; the control component is configured to determine the state of the component to be tested according to the detection result.
  • the surgical operation device further includes: a signal light configured to indicate the working state of the surgical operation device and/or the used number of the ligation clip is greater than or equal to a preset threshold, and the component to be detected includes the Semaphore.
  • the surgical operation device further includes: a position sensing component configured to sense the position of a pushing mechanism for pushing the ligation clip, the pushing mechanism includes the clamping bin assembly, and the component to be detected includes The position sensing component.
  • the position sensing component includes a Hall sensor, an anisotropic magnetic sensor, a grating sensor or an encoder.
  • the surgical device further includes a posture sensing component configured to sense the posture of the surgical device, and the element to be detected includes the posture sensing component.
  • the attitude sensing component includes an acceleration sensor.
  • the detection circuit includes: a switch component, one end of the switch component is electrically connected to the control component, and the other end is electrically connected to the input end of the component to be detected; the switch component receives the detection signal Turn on when the detection signal is not received; turn off when the detection signal is not received; and a protection component, one end of the protection component is grounded, and the other end is electrically connected to the output terminal of the component to be detected; the protection component is connected to the waiting
  • the output terminal of the detection circuit is led out between the detection elements, and the output terminal is electrically connected with the input terminal of the control component.
  • the protection component includes a resistance element configured to limit the current of the detection circuit.
  • the surgical device further includes: a warning component electrically connected to the control component; wherein the control component is further configured to send a warning signal to the warning component when it is determined that the component to be detected is abnormal, so as to trigger the The warning component outputs warning information.
  • a warning component electrically connected to the control component; wherein the control component is further configured to send a warning signal to the warning component when it is determined that the component to be detected is abnormal, so as to trigger the The warning component outputs warning information.
  • the warning information includes at least one of a group consisting of a sound signal, an optical signal, and an electrical signal, and different warning information corresponding to different components to be detected are different.
  • the warning component includes a buzzer or a photodiode.
  • the detection result includes a voltage value
  • the control component is further configured to: when the voltage value is less than a first voltage threshold, determine that the element to be detected is open; when the voltage value is greater than or equal to a second voltage threshold When the voltage value is greater than or equal to the first voltage threshold and less than the third voltage threshold, it is determined that the component to be detected has an open circuit risk; when the voltage value is greater than or equal to When the third voltage threshold is less than the second voltage threshold, it is determined that the component to be detected has a short-circuit risk, and the third voltage threshold is greater than the first voltage threshold and less than the second voltage threshold.
  • the adapter includes: a hand-held part; a working part connected to the hand-held part, the working part including a housing and a transmission assembly located in the housing, the transmission assembly is connected to the drive assembly, and The shaft assembly is connected to the working part, the clamping bin assembly transmits the ligation clamp to the clamp under the control of the drive assembly and the transmission assembly, and the pushing mechanism includes the drive assembly , At least one of the group consisting of the transmission assembly and the clamping bin assembly.
  • a detection method for the above-mentioned surgical operation device including: sending a detection signal to the detection circuit, and the detection signal is used to trigger the detection circuit to detect the to-be-detected
  • the component detects and sends a detection result to the control component; receives the detection result sent by the detection circuit; and determines the state of the component to be tested according to the detection result.
  • the detection result includes a voltage value
  • the determining the state of the component to be detected according to the detection result includes: determining that the component to be detected is open when the voltage value is less than a first voltage threshold; When the voltage value is greater than or equal to the second voltage threshold, it is determined that the component to be detected is short-circuited; when the voltage value is greater than or equal to the first voltage threshold and less than the third voltage threshold, it is determined that the component to be detected has an open circuit Risk; when the voltage value is greater than or equal to the third voltage threshold and less than the second voltage threshold, it is determined that the component to be detected has a short circuit risk, and the third voltage threshold is greater than the first voltage threshold and less than the The second voltage threshold.
  • the method further includes: outputting warning information when it is determined that the component to be detected is abnormal.
  • the warning information includes at least one of a group consisting of a sound signal, an optical signal, and an electrical signal, and different warning information corresponding to different components to be detected are different.
  • Figure 1 is a schematic structural diagram of a surgical device provided by an embodiment of the present disclosure
  • Figure 2 is an exploded schematic diagram of a surgical device provided by an embodiment of the present disclosure
  • FIG. 3 is a cross-sectional view of the working part of the surgical device provided by the embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a shaft assembly of a surgical device provided by an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of the structure of the clamping bin assembly of the surgical device provided by the embodiment of the present disclosure
  • Figure 6 is an exploded view of the working part of the surgical device provided by an embodiment of the present disclosure.
  • Fig. 7 is a block diagram of a detection circuit provided by an embodiment of the present disclosure.
  • FIG. 8 is a flowchart of a detection method for a surgical device provided by an embodiment of the present disclosure.
  • Fig. 9 is a structural principle diagram of an anisotropic magnetoresistive sensor according to an embodiment of the present disclosure.
  • Firmware it can also be the direct interconnection of two objects (for example, through screw threads, male and female cooperation). When two objects are connected, they can move at the same time or drive each other. For example, when a motor is connected to a transmission assembly, it can be understood that the motor drives the transmission assembly to move the transmission assembly. Therefore, two connected objects can also be separated from each other.
  • an indicator light is provided on the hand-held part, and the indicator light can be used to indicate the working state of the clip applier, for example, indicating that the clip applier is sending clips; or, indicating that the clip applier is firing.
  • the indicator light may be abnormal, which will cause the indicator light to fail to display normally even in the clamped state or the firing state of the surgical device, which may lead to the problem of misoperation by medical personnel.
  • the embodiments of the present disclosure relate to a surgical device and a detection method thereof, which can at least solve the problem that the state of certain elements in the surgical device cannot be detected, and further, can also solve the problem that certain elements in the surgical device cannot be detected. Unusual problem.
  • An embodiment of the present disclosure provides a surgical device, including: an adapter; a shaft assembly connected to the adapter, the shaft assembly including: a clamping chamber assembly and a clamp, the clamping chamber assembly including a ligation clip, the The clamping bin assembly is configured to deliver the ligation clip to the clamp; the surgical device further includes: a component to be detected, a detection circuit electrically connected to the component to be detected, and a control component electrically connected to the detection circuit The control component is configured to send a detection signal to the detection circuit; the detection circuit is configured to detect the component to be detected according to the detection signal, and send the detection result to the control component; the control The component is configured to determine the state of the component to be tested according to the test result.
  • the embodiment of the present disclosure also provides a detection method for the above-mentioned surgical device, including: sending a detection signal to the detection circuit, the detection signal is used to trigger the detection circuit to detect the component to be detected, And send the detection result to the control component; receive the detection result sent by the detection circuit; and determine the state of the component to be detected according to the detection result.
  • Hall sensor It is a kind of semiconductor magnetoelectric device based on Hall effect. Hall effect means that when a conductor (such as a metal conductor) or semiconductor is placed in a magnetic field, when a current perpendicular to the magnetic field passes through the conductor or semiconductor, the magnetic field acts on the carriers in the conductor or semiconductor to deflect the carriers , Generate an additional electric field perpendicular to the current and magnetic field, thereby generating a potential difference between the two ends of the conductor or semiconductor, and this potential difference also becomes the Hall voltage. Hall sensors can be divided into Hall switching devices and Hall linear devices.
  • Hall switch devices include: unipolar Hall switches, bipolar Hall switches and omnipolar Hall switches.
  • the induction method of the unipolar Hall switch is: when the magnetic pole of the magnetic field (such as N pole or S pole) is close to the Hall switch, it outputs a low potential voltage (low level) signal (for example, it can be set to "off” signal), and the magnetic field When the magnetic pole is far away from the Hall switch, a high potential voltage (high level) signal is output (for example, it can be set to an "on” signal).
  • the unipolar Hall switch will specify a certain magnetic pole for induction to be effective.
  • the front side induces the S pole of the magnetic field
  • the reverse side induces the N pole.
  • the magnetic member for providing a magnetic field includes a magnet.
  • the magnet includes a permanent magnet.
  • the induction method of the bipolar Hall switch is: the two magnetic poles N and S of the magnetic field respectively control the on and off (high and low level) of the bipolar Hall switch.
  • the bipolar Hall switch generally has a locking effect, that is, when the magnetic pole leaves, the Hall output signal does not change until another magnetic pole is induced.
  • the initial state of the bipolar Hall switch is random output, which may be high or low.
  • the induction method of the omnipolar Hall switch similar to the induction method of the unipolar hall switch, the difference is that the unipolar hall switch will specify the magnetic pole, and the omnipolar hall switch will not specify the magnetic pole, and any magnetic pole is close to Output low level signal, leave output high level signal.
  • the Hall linear device is a magnetic sensor with analog signal output, and the output voltage changes linearly with the input magnetic force density.
  • the voltage output of a linear Hall-effect sensor will accurately track changes in magnetic flux density.
  • Anisotropic Magnetoresistive Sensor It is based on the Anisotropic Magnetoresistive Sensor (AMR). When the external magnetic field and the built-in magnetic field of the magnet form a zero degree angle, the resistance will not change with the external magnetic field. However, when the external magnetic field and the built-in magnetic field of the magnet have a certain angle, the internal magnetization vector of the magnet will shift and the film resistance will decrease. This characteristic is called AMR.
  • the change of magnetoresistance is related to the angle between the magnetic field and the current.
  • the ferromagnetic metals include but are not limited to metals such as iron, cobalt, nickel and their alloys.
  • Fig. 9 is a structural principle diagram of an anisotropic magnetoresistive sensor according to an embodiment of the present disclosure.
  • the AMR magnetic sensor includes a Wheatstone bridge composed of four magnetoresistors (R).
  • the power supply is Vb, and the current flows through the resistor.
  • a bias magnetic field H1 is applied to the bridge, the magnetization direction of the two oppositely placed resistors will rotate toward the direction of the current, and the resistance value of these two resistors will increase; while the magnetization of the other two oppositely placed resistors The direction will rotate in the opposite direction to the current, and the resistance of the two resistors will decrease.
  • the external magnetic field (H2) can be obtained.
  • Grating sensor refers to a sensor that uses the principle of grating moire fringes to measure displacement.
  • the grating sensor includes a ruler grating, an indicating grating, an optical path system and a measuring system.
  • a light and dark moire fringe is formed approximately in a sinusoidal distribution. These fringes move at the relative speed of the grating and irradiate directly on the photoelectric element.
  • a series of electric pulses are obtained at their output terminals.
  • the digital signal output is generated through the amplification, shaping, direction identification and counting system to directly display the measured displacement. the amount.
  • the grating sensor can measure static and dynamic linear displacement and fillet displacement.
  • Encoder It is a device that compiles and converts signals (such as bit stream) or data into signal forms that can be used for communication, transmission and storage.
  • the encoder converts angular displacement or linear displacement into electrical signals.
  • the former is called a code wheel and the latter is called a code ruler.
  • the rotary encoder is a device used to measure the speed.
  • the photoelectric rotary encoder can convert the angular displacement and angular velocity of the drive shaft into corresponding electrical pulses for digital output through photoelectric conversion.
  • Single output means that the output of the rotary encoder is a set of pulses, while the dual output rotary encoder outputs two sets of A/B phase difference pulses of 90 degrees. These two sets of pulses can not only measure the speed, but also determine the rotation. Direction.
  • Acceleration sensor (or gyroscope): It is a sensor that can measure acceleration. It is usually composed of masses, dampers, elastic components, sensitive components, and adaptive circuits. In the process of acceleration, the sensor obtains the acceleration value by using Newton's second law by measuring the inertial force on the mass block.
  • the voltage output by the acceleration sensor is proportional to the acceleration.
  • 2.5V corresponds to an acceleration of 0g
  • 2.6V corresponds to an acceleration of 0.5g (approximately equal to 1.9m/s 2 ).
  • the acceleration sensor may be a three-axis acceleration sensor, or a six-axis acceleration sensor, a nine-axis acceleration sensor, or the like.
  • Fig. 1 is a schematic structural diagram of a surgical device provided according to an embodiment of the present disclosure.
  • the surgical device 10 at least includes an adaptor and a shaft assembly 13 connected to the adaptor.
  • the adapter is a handheld device, which may be an integral structure or a split structure (that is, multiple detachable components). When the split structure is adopted, individual components can be replaced according to the application scenario, so it is preferred.
  • the embodiment of the present disclosure is described by taking the adapter as a split structure as an example.
  • the adapter includes a hand-held part 11 and a working part 12 connected to the hand-held part 11, and the working part 12 is connected to the shaft assembly 13.
  • the hand-held part 11 and the working part 12 are detachably connected; the working part 12 and the shaft assembly 13 are detachably connected.
  • the surgical device 10 may also be called a clip applier, etc.
  • the name of the surgical device 10 is not limited in this embodiment.
  • Fig. 2 is an exploded schematic diagram of a surgical device provided by an embodiment of the present disclosure.
  • the handle 11 includes a housing 110 and a driving assembly 111 provided in the housing 110.
  • the handle 11 is also provided with a firing switch 112 for controlling the driving component 111 and a motor circuit 113 (not shown) electrically connected to the firing switch 112, and the motor circuit 113 is also electrically connected to the driving component 111.
  • the motor circuit 113 is used to control the movement of the driving assembly 111.
  • the driving assembly 111 includes a driving motor.
  • the drive motor has an output shaft.
  • Fig. 3 is a cross-sectional view of a working part of a surgical device provided by an embodiment of the present disclosure.
  • the working part 12 includes a housing 121, a transmission assembly arranged in the housing 121 and connected with the driving assembly 111, and a push rod 122 connected with the transmission assembly.
  • the transmission assembly includes a drive shaft connected to the drive assembly 111 (for example, the output shaft of the drive motor), a bevel gear 124 connected to the drive shaft, a rack assembly 125 meshing with the bevel gear 124, and a small gear meshing with the rack assembly 125 Gear 126, a pushing assembly 127 connected with pinion 126.
  • a drive shaft connected to the drive assembly 111 (for example, the output shaft of the drive motor), a bevel gear 124 connected to the drive shaft, a rack assembly 125 meshing with the bevel gear 124, and a small gear meshing with the rack assembly 125 Gear 126, a pushing assembly 127 connected with pinion 126.
  • the rack assembly 125 includes a first rack 1251 connected with the bevel gear 124 and a second rack 1252 connected with the first rack 1251, and the second rack 1252 is connected with a firing force applying member 128.
  • the pushing component 127 is used to push the push rod 122 to move under the drive of the pinion 126.
  • the pushing component 127 includes a pushing block 1271 that is engaged with the pinion 126 and a pushing member 1272 connected to the pushing block 1271, and the pushing member 1272 drives the push rod 122 to move.
  • Fig. 4 is a schematic structural diagram of a shaft assembly of a surgical device provided by an embodiment of the present disclosure.
  • the shaft assembly 13 includes: a clamping bin assembly 131 and a clamp 132, and the clamping bin assembly 131 includes at least one ligature clamp.
  • the clamping bin assembly 131 transmits the ligation clamp (referred to as "clamping") to the clamp 132.
  • the working part 12 further includes a transmission assembly connected with the driving assembly 111, and the clamping bin assembly 131 is used to transmit the ligation clip to the clamp 132 under the control of the driving assembly 111 and the transmission assembly.
  • the clamping bin assembly 131 is connected with the push rod 122, and the reciprocating movement of the push rod 122 drives the clamping bin assembly 131 to send the clamp.
  • Fig. 5 is a schematic diagram of the structure of the clamping bin assembly of the surgical device provided by an embodiment of the present disclosure.
  • the clamping bin assembly 131 includes a clamping bin seat 1311, a ligation clip 1312 placed in the clamping bin seat 1311, and a push clip that is covered on the clamping bin seat 1311 and used to push the ligation clip 1312 to move. ⁇ 1313.
  • the push rod 122 drives the push clamp piece 1313 to push the ligation clamp 1312 to move in the direction of the clamp 132.
  • the push clip 1313 is provided with a plurality of ratchet teeth facing the clamp 132, and the ratchets abut the ligation clip 1312 to push the ligation clip 1312 to move toward the clamp 132 under the push of the push clip 1313.
  • the shaft assembly 13 further includes a firing member 133.
  • One end of the firing member 133 is connected to the firing force applying member 128, and the other end of the firing member 133 is connected to the clamp 132.
  • the movement of the firing force applying member 128 drives the firing member 133 to control the opening and closing of the clamp 132.
  • the firing member 133 is a firing sleeve of the package clamping bin assembly 131.
  • the firing member 133 may also be implemented as a pull rod connected to the clamp 132, and the other end of the pull rod is connected to the firing force applying member 128 through a connecting member.
  • the driving assembly 111 rotates in the first direction, and the bevel gear 124 is driven to rotate through the output shaft to drive the first rack 1251 to retreat and then drive the second rack 1252 to retreat.
  • the second rack 1252 retreats to mesh with the pinion 126.
  • the second rack 1252 drives the pinion 126 to rotate clockwise, and the pinion 126 rotates clockwise to push the push block 1271 to move forward, and the push block 1271 moves forward to move forward.
  • the pushing member 1272 is driven to push the push rod 122 to move, and the push rod 122 axially moves in the direction of the clamp 132 to drive the clamping bin assembly 131 to send the clamp.
  • the way the push rod 122 moves axially in the direction of the handle 11 is the same as that of the clamp 132.
  • the difference is that the driving assembly 111 rotates in the second direction at this time, so as to drive the other transmission components to move in the opposite direction to realize pushing.
  • the rod 122 axially moves in the direction of the handle 11 to drive the clamping bin assembly 131 to retract.
  • the driving assembly 111 rotates in the second direction, and the bevel gear 124 is driven to rotate through the output shaft to drive the first rack 1251 to move forward and then drive the second rack 1252 to move forward.
  • the forward movement of the second rack 1252 drives the firing force application member 128 to move forward, and the forward movement of the firing force application member 128 drives the firing member 133 to move forward compared to the clamping chamber assembly 131 so that the clamp 132 is closed to complete the ligation action.
  • the way the firing force applying member 128 moves in the direction of the handle 11 is the same as the way to find the movement towards the clamp 132, the difference is that the driving assembly 111 rotates in the first direction at this time, so as to drive the other transmission components to move in the opposite direction to realize the firing force.
  • the member 128 moves axially in the direction of the handle 11 to drive the firing member 133 to retreat, so that the clamp 132 is opened.
  • Fig. 6 is an exploded view of a working part of a surgical device provided by an embodiment of the present disclosure.
  • the surgical operation device further includes an element 30 to be detected, a detection circuit 50 electrically connected to the element 30 to be detected, and a control component 40 electrically connected to the detection circuit.
  • the control component 40 is used to send a detection signal to the detection circuit 50;
  • the detection circuit 50 is configured to detect the component 30 to be detected when receiving the detection signal, and send the detection result to the control component 40;
  • the control component 40 is used to determine the state of the component 30 to be detected according to the detection result, for example, to determine whether the component 30 to be detected is abnormal.
  • the component to be detected 30 includes but is not limited to: a signal light 31, a position sensing component 32, and/or a posture sensing component 33.
  • the surgical operation device further includes a signal light 31, which is used to indicate the working state of the surgical operation device and/or the used number of ligation clips is greater than or equal to a preset threshold.
  • the signal lamp 31 may also have other indication functions, and this embodiment does not limit the indication function of the signal lamp 31.
  • the signal light provides a visual signal, which can be an LED or the like; or, it can also be implemented through a display screen. The implementation of the signal light 31 is not limited in this embodiment.
  • the surgical operation device further includes a position sensing component 32 for sensing the position of the pushing mechanism that pushes the ligature clip.
  • the pushing mechanism refers to the components or parts used to directly or indirectly push the ligature clip in the surgical device.
  • the pushing mechanism includes, but is not limited to: a push rod 122, a driving assembly 111 (for example, an output shaft of the driving assembly 111), a transmission assembly and/or a clamping assembly 131.
  • the pushing mechanism includes at least one of the group consisting of the driving assembly 111, the transmission assembly, and the clamping bin assembly 131. Further, for example, the pushing mechanism includes at least one of the group consisting of the driving assembly 111, the transmission assembly, the clamping bin assembly 131, and the push rod 122.
  • the position sensing component 32 may be a Hall sensor or an AMR magnetic sensor.
  • the position sensing component 32 may be a grating sensor or an encoder.
  • the Hall sensor includes a magnetic element and a magnetic induction element, which can move relative to each other to generate position information.
  • the posture sensing component 33 is used to sense the posture of the surgical device 10.
  • the attitude sensing component 33 can be installed on the working part 12.
  • the attitude sensing component 33 may be an acceleration sensor.
  • the component to be tested 30 may also include other components. If the component is a component that outputs information to the control component 40, then the component can all be within the scope of the component to be tested 30 of the present disclosure.
  • the detection circuit 50 includes: a switch component 51 and a protection component 52.
  • One end of the switch assembly 51 is electrically connected to the control assembly 40, and the other end is electrically connected to the input end of the component 30 to be detected.
  • the switch assembly 51 is also electrically connected with a power source 53.
  • the switch component 51 is closed (ie, turned on) when the detection signal is received; it is opened (ie, turned off) when the detection signal is not received.
  • One end of the protection component 52 is grounded, and the other end is electrically connected to the output terminal of the component to be detected 30; the output terminal 54 of the detection circuit 50 is led out between the protection component 52 and the component to be detected 30, and the output terminal 54 is electrically connected to the input terminal of the control component 40. connection.
  • the protection component 52 is a resistive element, and the resistive element is used to limit the current of the detection circuit.
  • the detection result includes electrical signals. Further, for example, the detection result is the voltage value of the output terminal of the detection circuit.
  • the control component 40 determines the state of the component 30 to be tested according to the test result. For example, when the voltage value is less than the first voltage threshold, it is determined that the element to be detected is open. For example, when the voltage value is greater than or equal to the second voltage threshold, it is determined that the component to be detected is short-circuited.
  • the second voltage threshold is determined based on the supply voltage of the power supply. For example, when the voltage value is greater than or equal to the first voltage threshold value and less than the third voltage threshold value, it is determined that the component to be detected has an open circuit risk. For example, when the voltage value is greater than or equal to the third voltage threshold and less than the second voltage threshold, it is determined that the component to be detected has a short circuit risk.
  • the first voltage threshold is close to zero or equal to zero.
  • the second voltage threshold may be equal to the power supply voltage of the power supply; or, the second voltage threshold may be greater than the power supply voltage of the power supply.
  • the third voltage threshold is greater than the first voltage threshold and less than the second voltage threshold.
  • control component 40 determines the state of the component 30 to be detected according to the detection rule shown in Table 1, for example, it can determine whether there is an abnormality.
  • the condition of the component to be tested control signal Switch assembly Test results Not powered on low turn off Low, close to 0 open circuit high open Low, close to 0 Short circuit high open High, close to the power supply voltage
  • the protection circuit is abnormal high open Abnormal voltage value normal high open Normal default
  • the surgical operation device 10 further includes a warning component 60 electrically connected to the control component 40.
  • the control component 40 is also used for:
  • a warning signal is sent to the warning component 40 to trigger the warning component 40 to output warning information.
  • the warning information includes at least one of a group consisting of a sound signal, an optical signal, and an electrical signal.
  • the warning component 60 is a buzzer component or an LED lamp, and the warning method of the warning component 60 is not limited in this embodiment.
  • the warning information corresponding to different components 30 to be detected is different.
  • the warning information is the first type of buzzer; when the position sensing component 32 is abnormal, the warning information is the second type of buzzer. In this way, the user can quickly confirm which part or component has a problem through different warning messages.
  • different types of abnormalities of the component 30 to be detected correspond to different warning information.
  • the warning information is that the LED light is always on; when the signal light 31 is open, the warning information is that the LED light is flashing.
  • the surgical operation device provided by the above embodiment, by providing the components to be detected, the detection circuit, and the control component, the problem that the state of certain components in the surgical device cannot be detected can be solved. Further, the abnormality detection of each component can be performed through the detection circuit. , Such as: short circuit detection, open circuit detection, etc., to further improve the detection accuracy.
  • FIG. 8 is a flowchart of a detection method for a surgical device provided by an embodiment of the present disclosure, and the method is used in the above-mentioned surgical device.
  • the execution subject of the following steps may be the control component.
  • the method includes:
  • Step 801 Send a detection signal to the detection circuit 50, where the detection signal is used to trigger the detection circuit 50 to detect the component to be detected, and send the detection result to the control component 40.
  • control component 40 sends a detection signal to the detection circuit 50, and the detection signal is used to trigger the detection circuit 50 to detect the component to be detected 30 and send the detection result to the control component 40.
  • the component to be detected 30 includes but is not limited to: a signal light 31, a position sensing component 32, and/or a posture sensing component 33.
  • the detection circuit 50 includes: a switch component 51 and a protection component 52.
  • step 802 the detection result sent by the detection circuit 50 is received.
  • Step 803 Determine the state of the component 30 to be tested according to the test result 50, for example, whether there is abnormality.
  • determining the state of the component 30 to be tested according to the test result includes:
  • the second voltage threshold is determined based on the power supply voltage of the power supply
  • the third voltage threshold is greater than the first voltage threshold and less than the second voltage threshold.
  • the surgical operation device further includes: a warning component electrically connected to the control component; at this time, after this step, it further includes: when it is determined that the component to be detected is abnormal, sending a warning signal to the warning component to trigger the output of the warning component Warning information, different warning information corresponding to different components to be detected are different.
  • the detection signal is sent to the detection circuit, and the detection signal is used to trigger the detection circuit to detect the component to be detected and send the detection result to the control component; receive the detection result sent by the detection circuit; The result determines the status of the component to be tested; the problem of the inability to detect the status of some components in the surgical device can be solved.
  • the abnormality detection of each component can be performed through the detection circuit, such as: short circuit detection, open circuit detection, etc., to achieve Detection of component abnormalities.
  • the embodiments of the present disclosure may be provided as methods, devices (or systems), or computer program products. Therefore, the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Reproductive Health (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne un dispositif chirurgical (10) et son procédé de détection. Le dispositif chirurgical (10) comprend : un adaptateur ; un ensemble tige (13) relié à l'adaptateur, l'ensemble tige (13) comprenant : un ensemble d'écrêtage (131) et une agrafe (132), l'ensemble d'écrêtage (131) comprenant une pince de ligature (1312), l'ensemble d'écrêtage (131) étant conçu pour transférer la pince de ligature (1312) vers l'agrafe (132) ; et le dispositif chirurgical (10) comprenant en outre : un élément à détecter (30), un circuit de détection (50) électriquement connecté à l'élément à détecter (30), et un ensemble de commande (40) électriquement connecté au circuit de détection (50), l'ensemble de commande (40) étant conçu pour envoyer un signal de détection au circuit de détection (50), le circuit de détection (50) étant conçu pour détecter l'élément à détecter (30) en fonction du signal de détection, et envoyer le résultat de détection à l'ensemble de commande (40), et l'ensemble de commande (40) étant conçu pour déterminer l'état de l'élément à détecter (30) en fonction du résultat de détection. Le dispositif chirurgical (10) peut résoudre le problème que certains éléments dans le dispositif chirurgical (10) ne peuvent pas être détectés lorsqu'une anomalie se produit.
PCT/CN2020/122877 2019-10-23 2020-10-22 Dispositif chirurgical et son procédé de détection WO2021078196A1 (fr)

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CN201911012271.8A CN112690862B (zh) 2019-10-23 2019-10-23 医疗器械及元件异常检测方法

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