CN202604783U - Flexible endoscope system based on electrically-controlled drive apparatus - Google Patents
Flexible endoscope system based on electrically-controlled drive apparatus Download PDFInfo
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- CN202604783U CN202604783U CN 201220180347 CN201220180347U CN202604783U CN 202604783 U CN202604783 U CN 202604783U CN 201220180347 CN201220180347 CN 201220180347 CN 201220180347 U CN201220180347 U CN 201220180347U CN 202604783 U CN202604783 U CN 202604783U
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- steel wire
- potentiometer
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Abstract
A flexible endoscope system based on an electrically-controlled drive apparatus comprises a flexible endoscope and surgical instruments. Each surgical instrument is dragged with a control steel wire rope penetrating an instrument passage. The near end of each control steel wire rope is connected with a drive handle. Each drive handle comprises a base and control rollers and is controlled through an electric drive control part. Each electric drive control part comprises a drive seat mounted on a drive part support. Drive rotary disks are disposed on the drive seat. The drive rotary disks and the control rollers are in detachable key connection. The drive rotary disks are connected with a rotary disk motor. A linear drive mechanism is disposed on each drive part support. Each drive seat is connected with a rotary drive mechanism. A guide sleeve allowing each control steel wire rope to penetrate is disposed on each drive part support. Each guide sleeve and each control steel wire rope are inserted into each instrument passage of a flexible socket part. The control steel wire ropes penetrate through the instrument passages. Rotation and moving of an endoscope can be realized by cooperation of hands and feet of a user, and the flexible endoscope system is easy to control and convenient to use.
Description
Technical field
This utility model relates to a kind of soft endoscopic system based on automatically controlled driving instruments.
Background technology
Scope is used to diagnose and the treat disease history in more than 50 year.Go through the stages such as fiberendoscope, video image dendoscope, ultrasonic endoscope, but only be used in tube chamber (like positions such as bile duct, the pancreas) treatment of diseases that opening is arranged widely at present in the organism nature tract or in organism nature tract.The operation of body cavity of organism is from providing operation gradually anyway to laparoscopic surgery; Open surgery needs user patient to be carried out local anesthesia or general anesthesia is scratched bigger with scalpel at patient's body surface then in that aseptic operation is indoor; The shears pliers of the hand-held various operation usefulness of user etc. or directly extend into the operation that undergos surgery in the patient's body cavity through opening then with hands; Peritoneoscope is littler much than the opening of open surgery; Traumatic little a lot, but need open several holes at body surface, thus the hole that required apparatus is passed through to be opened is inserted into the operation that undergos surgery in the body cavity.
An endoceliac end that inserts the patient in the existing scope is called far-end, and an end that is gripped by the user of scope is called near-end.Scope is included in the joystick of near-end, and length is L
1And being attached to the flexible insertion section of the far-end of joystick, length is L
2And be attached to the bending section of the far-end of flexible insertion section, be attached to the end effector of the far-end of bending section, the controlling organization that the control bending section is crooked and coat the elastic covering of this bending section; The distal attachment of elastic covering is to this end effector, and the proximal attachment of elastic covering is to the near-end of flexible insertion section; End effector comprises camera lens and the operating theater instruments that exposes to bending section, and operating theater instruments is connected with joystick through the control steel wire, the action of joystick tractive control steel wire control operating theater instruments.
Rely on the action of control endoscope to drive apparatus work at widely used soft endoscopic instrument more, have following shortcoming:
1, the various attitudes of institute's use apparatus are all through user one-handed performance scope " up, down " and " left, right " two pairs of knobs; The shank of scope just can be achieved to the four direction bending; The process of controlling is adjusted the another one direction after can only adjusting a direction respectively again, and process is more loaded down with trivial details.
2, existing scope, shank partly has only the controlled bending in a place mostly, and endoscope's hardness can not be adjusted, and is difficult for some privileged sites of arrival and also not too is prone to the specific state of maintenance, makes apparatus arrive some privileged sites state specific with maintenance.
Though 3, at present the dual pathways scope that can use two apparatuses is simultaneously arranged also, allow two instrumentations simultaneously, the still common then apparatus of apparatus that this scope uses; Stretch both arms as the people during actual the use; Eyes are looked squarely both hands and are operated, moving before and after two apparatuses have only, around the core rotation of apparatus axle itself and about doing or up and down two groups move in set, the fitness of two apparatuses is limited; Both arms that can not similar people drive two handss, the compounding practice of such freedom and flexibility.
The utility model content
For overcoming the above-mentioned shortcoming of prior art; This utility model provides a kind of trick through user to cooperate the rotation that can realize soft scope special equipment and action such as has moved; Control is simple, the soft endoscopic system based on automatically controlled driving instruments easy to use.
Soft endoscopic system based on automatically controlled driving instruments; Comprise a flexible endoscope and an operating theater instruments that is provided with two instrument channel; Operating theater instruments is by the control corresponding steel wire traction; The control steel wire is arranged in the instrument channel of flexible endoscope, and the near-end of control steel wire connects driving handle, driving handle comprise pedestal be installed on the pedestal can tractive control steel wire the control roller;
It is characterized in that: described driving handle is controlled by the motorized motions control part; The motorized motions control part comprises the drive seat that is connected with the pedestal detached type; Drive seat is installed on the drive division support; Drive seat is provided with and controls the driving rotating disk that pair of rollers is answered, drive rotating disk and control roller releasably key is connected, the driving rotating disk is connected with the rotary tray motor of its rotation of drive;
The drive division support is provided with and can drives the straight line driving mechanism that drive seat moves reciprocatingly along straight line; Drive seat connects the rotary drive mechanism that can drive the drive seat rotation; The drive division support is provided with the pilot sleeve that allows the control steel wire to pass; Pilot sleeve inserts in the instrument channel of flexible insertion section with the control steel wire, and the control steel wire runs through instrument channel.
Further, straight line driving mechanism comprises advance and retreat drive motors, the leading screw that is connected with advance and retreat drive motors output shaft and with the nut of leading screw engagement and only allow nut to move axially the locating part that limits the nut rotation along leading screw;
The drive division support comprises the fixed part of fixing advance and retreat drive motors and drives drive seat along the axially movable moving part of screw mandrel that moving part is fixedly connected with nut.
Advance and retreat drive motors rotating band movable wire thick stick rotates, and nut drives drive seat and moves axially along leading screw simultaneously, pushing away before the drive controlling steel wire or to drop back, and then drives operating theater instruments and advances or retreat.
Further, rotary drive mechanism comprise rotary drive motor, the planetary gear that is connected with the rotary drive motor output shaft and with the central gear of planetary gear engaged transmission, planetary gear is around the circular motion of central gear;
Central gear is fixed on the moving part of drive division support, and rotary drive motor is fixed on the drive seat, and drive seat and moving part are rotatably connected.
Further; Drive seat is provided with central rotating shaft, and moving part is provided with and allows central rotating shaft to insert the axis hole in it, axis hole and the coaxial setting of central gear; Central rotating shaft is provided with the outward extending bulge loop of a circle; Axis hole is provided with the scrobicular ring adaptive with bulge loop, and central rotating shaft and axis hole matched in clearance are provided with the steel wire passage that allows the control steel wire to pass in the central rotating shaft; Central rotating shaft is socketed in the pilot sleeve.
Further; Control part comprises control station; Control station is provided with the electric control handle that person easy to use grips; Electric control handle comprises cross bar and the montant that is articulated and connected, and is provided with the automatically controlled handle motion state of induction in the electric control handle and kinestate is converted into the pick off family of motor movement of the automatically controlled drive division of control.
Further; Be fixed with fixed cover on the control station; Cross bar is socketed in the fixed cover; Be provided with second potentiometer that first potentiometer that moves forward and backward of induction cross bar and induction cross bar rotate in a circumferential direction between cross bar and the fixed cover, cross bar moves and causes the first potentiometer potential change, the motion amplitude and the direction of the potential change decision advance and retreat drive motors of first potentiometer; Cross bar rotates in a circumferential direction and causes the second potentiometer potential change, the motion amplitude and the direction of the potential change decision rotary drive motor of second potentiometer;
The articulated section of cross bar and montant is provided with the 3rd potentiometer, and relatively rotating of cross bar and montant causes the 3rd potentiometer to change, the motion amplitude and the direction of the potential change decision rotary tray motor of the 3rd potentiometer;
All potentiometers form the pick off family of the automatically controlled drive division of control.
Further, described montant is provided with the power amplifier that is connected with all potentiometers, and the signal of telecommunication that power amplifier is exported potentiometer amplifies or dwindles to increase or to reduce the motion amplitude of motor.
Further; Endoscopic system also has and in operation process, is the feeder of operating theater instruments air feed; Water supply installation that supplies water for operating theater instruments and the electric supply installation of supplying power for operating theater instruments; The switching of feeder, water supply installation and electric supply installation is controlled by corresponding electromagnetic valve or relay, and control station is provided with the foot switch of control electromagnetic valve or relay on-off.
The technical conceive of this utility model is: the control signal that the hand exercise of user is converted into the motor movement that drives automatically controlled drive division through the pick off family on the electric control handle; Limb action through user is controlled advancing, retreat and rotating of operating theater instruments; Thereby realize user single be the purpose of may command endoscope action, simple to operate.
The utlity model has trick through user and cooperate the rotation that can realize scope and move, control is simple, advantage easy to use.
Description of drawings
Fig. 1 is the sketch map of this utility model.
Fig. 2 is the sketch map of driving handle.
Fig. 3 is the sketch map of automatically controlled drive division.
Fig. 4 is the sketch map that drives rotating disk.
Fig. 5 is the sketch map of electric control handle.
Fig. 6 person of being to use operates the sketch map of electric control handle and foot switch.
The specific embodiment
With reference to accompanying drawing, further specify this utility model:
Soft endoscopic system based on automatically controlled driving instruments; Comprise a flexible endoscope and an operating theater instruments that is provided with two instrument channel; Operating theater instruments is by the control corresponding steel wire traction; The control steel wire is arranged in the instrument channel of flexible endoscope, and the near-end of control steel wire connects driving handle 3, driving handle 3 comprise pedestal 31 be installed on the pedestal 31 can tractive control steel wire control roller 32;
Described driving handle is controlled by motorized motions control part 4; Motorized motions control part 4 comprises the drive seat 41 that is connected with the pedestal detached type; Drive seat 41 is installed on the drive division support 42, and drive seat 41 is provided with the driving rotating disk 43 corresponding with controlling roller 32, drive rotating disk 43 with control roller 32 releasably key be connected; Drive rotating disk 43 and be connected, driving rotating disk 43 corresponding rotary tray motors 44 with the rotary tray motor 44 that drives its rotation.
Drive rotating disk 43 and control roller 32 releasably key is connected specifically and can is: offer groove on the driving rotating disk, control roller and be provided with the projection adaptive with groove, groove and projection interference fit, as shown in Figure 4.With the groove 431 on the projection driven in registry rotating disk 43 of control roller 32, and projection inserted in the groove 431, can realize driving rotating disk 43 and control being connected of roller 32.For the reliability that guarantees to connect, drive seat 41 is provided with trip bolt 47, and trip bolt 47 pushes against the pedestal of driving handle 3, thereby with driving handle and drive seat secure fixation.
Straight line driving mechanism comprises advance and retreat drive motors 461, the leading screw 462 that is connected with advance and retreat drive motors output shaft and with the nut 463 of leading screw 462 engagements and only allow nut 463 to move axially the locating part that limits nut 463 rotations along leading screw 462;
Rotary drive mechanism comprise rotary drive motor 471, the planetary gear 472 that is connected with rotary drive motor 471 output shafts and with the central gear 473 of planetary gear 472 engaged transmission, planetary gear 472 is around the circular motion of central gear 473;
As shown in Figure 3, drive division support 42 comprises pedestal box and frame plate, and the pedestal box is as fixed part A, and frame plate is as moving part B.Advance and retreat drive motors 461 is fixed on the pedestal box; Leading screw 462 and nut 463 are positioned at the cavity volume of pedestal box; Frame plate is fixedly connected with nut 463; Set up on two side plates with the pedestal box frame plate both sides, and two side plates of pedestal box play and allow nut 463 to move axially, limit the effect that nut 463 rotates in a circumferential direction along screw mandrel 462.Frame plate comprises that central gear 473 is fixed on the wing plate with nut 463 fixed base plates with perpendicular to the wing plate of base plate.
Control part comprises control station; Control station is provided with the electric control handle 5 that person easy to use grips; Electric control handle 5 comprises the cross bar that is articulated and connected 51 and montant 52, is provided with the automatically controlled handle motion state of induction in the electric control handle 5 and kinestate is converted into the pick off family of the motor movement of the automatically controlled drive division of control.
Be fixed with fixed cover 53 on the control station; Cross bar 51 is socketed in the fixed cover 53; Be provided with second potentiometer that first potentiometer that moves forward and backward of induction cross bar 51 and induction cross bar 51 rotate in a circumferential direction between cross bar 51 and the fixed cover 53; Cross bar 51 moves and causes the first potentiometer potential change, the motion amplitude and the direction of the potential change decision advance and retreat drive motors 461 of first potentiometer; Cross bar 51 rotates in a circumferential direction and causes the second potentiometer potential change, the motion amplitude and the direction of the potential change decision rotary drive motor 471 of second potentiometer;
The articulated section of cross bar 51 and montant 52 is provided with the 3rd potentiometer, and cross bar 51 causes the 3rd potentiometer to change with relatively rotating of montant 52, the motion amplitude and the direction of the potential change decision rotary tray motor 44 of the 3rd potentiometer;
All potentiometers form the pick off family of the automatically controlled drive division of control.
Specifically; Hold montant 52 when user and drive the increase that changes of cross bars 51 are positioned at first potentiometer of fixed cover 53 when the direction away from fixed cover 53 moves electric potential signal; In the electric potential signal input processor of first potentiometer output; Processor calculating collects ratio that the signal of current potential increases through tabling look-up and calculating to the advance and retreat drive motors and send instruction forward rotation respective angles, and advance and retreat drive motors 461 drives leading screws 462 backwards rotation, drives nut 463 and retreats the driving handle 3 that is fixed on the drive seat 41 is retreated; Driving execution apparatus integral body retreats; Operating theater instruments to far-end near, when user promotes cross bar 51 near the direction motion of fixed cover 53 time, the action of advance and retreat drive motors 461 is opposite.
When user hold montant 52 drive cross bars 51 when being rotated counterclockwise, the electric potential signal that is positioned at second potentiometer takes place to increase and changes; Processor calculating collects ratio that the signal of variation increases through tabling look-up and calculating to rotary drive motor and send the instruction forward rotation; Rotary drive motor 471 drives planetary gear 472 and rotates counterclockwise; Planetary gear 472 rotates counterclockwise driving handle with central gear 473 engagements; Driving handle drives the soft flexible insertion section rotation of inserting instrument channel, and flexible insertion section drives the operating theater instruments that is fixed on its far-end and rotates counterclockwise.The action of operating theater instruments is opposite during cross bar when user turns clockwise.
When user is carried on montant 52; When montant 52 relatively rotated with cross bar 53, the electric potential signal of the 3rd potentiometer increased, and processor calculating collects the ratio of the signal increase of variation; Through tabling look-up and calculating to the rotary tray motor of being responsible for left-right rotation and send the instruction forward rotation; Driven by motor drives rotating disk and rotates counterclockwise, and drives the rotating disk driving steel wire and changes around the steel wire relative length that solid dish rotates counterclockwise solderless wrapped connection on it, and the elongated end of an end shortens; One section that shortens will be drawn the left-right rotation arm and rotate certain angle to its corresponding direction, and the action of apparatus head end is opposite when user is held montant and rotated.
Auxiliary control unit can also be set on the montant 52 be used to control the rotary tray motor motion, the corresponding rotary tray motor of each auxiliary control unit, as shown in Figure 5.Be socketed with one or more auxiliary change on the montant, be provided with auxiliary potentiometer between each auxiliary change and the montant, the electric potential signal of auxiliary potentiometer changed when auxiliary change was rotated, the electric potential signal control operating theater instruments action of auxiliary potentiometer.
With the operating theater instruments is that operating forceps is the work process of auxiliary change of example explanation and auxiliary potentiometer.When user is held auxiliary change 521 rotations of montant 52 finger push control binding clip action; Electric potential signal corresponding to the auxiliary potentiometer of this auxiliary change 521 changes; The signal that processor calculating collects variation advanced it and calculates the rotary tray motor 44 that the binding clip to the control operating forceps rotates up and down and send the instruction forward rotation; Rotary tray motor 44 drives drive controlling roller 32 and rotates counterclockwise; Control roller 32 drive controlling steel wires rotate counterclockwise around control roller 32; The control steel wire relative length of solderless wrapped connection changes on the control roller 32, and the elongated side of a side shortens, the steel wire of the side that shortens will draw described about that rotary head upwards lift and turn an angle.
Described montant 52 is provided with the power amplifier that is connected with all potentiometers, and the signal of telecommunication that power amplifier is exported potentiometer amplifies or dwindles to increase or to reduce the motion amplitude of motor, and power amplifier connects multiplying power selector button 54.Motion multiplying power selector button 54 is used to change apparatus work speed or amplitude; Select to be arranged to several grades of 1/5 multiplying power, 1/2 multiplying power, 1 times of multiplying power, 2 times of multiplying powers, 5 times of multiplying powers etc. in the present embodiment; More or other multiplier value can certainly be set, whenever press motion multiplying power selector button, whenever the user finger is pressed its signal that once all can trigger high-low level variation; Can select a multiplying power; And show main operation person and to comment demonstration, can continue to press to the multiplying power of wanting if not user, till the multiplying power that user is wanted when choosing.The hand motion of user converts electric potential signal to and comes in and goes out to processor when user select to use the multiplying power button; Advancing the processor computing exports to corresponding actuating motor commander it carries out action by multiplying power after the motion multiplying power that the set user is selected is calculated through processor again; The apparatus head end will carry out suitable motion by the selected multiplying power of user, and adorning 1/2 multiplying power like choosing is that its speed of action is the half the of normal speed.Help user like this and when safety, accelerate operative speed, when accurately operating, make action more accurate.
Endoscopic system also has and in operation process, is the feeder of operating theater instruments air feed; Water supply installation that supplies water for operating theater instruments and the electric supply installation of supplying power for operating theater instruments; The switching of feeder, water supply installation and electric supply installation is controlled by corresponding electromagnetic valve or relay, and control station is provided with the foot switch 6 of control electromagnetic valve or relay on-off.When the user foot is stepped on foot switch; The level that processing will collect from corresponding line has the height variation level to uprise; Through calculating the back to respective electrical magnet valve or relay are sent action command, command it to be switched on or switched off, thus the output of control water, vapour, electricity; Switching on and off of shutoff, electricity.
The technical conceive of this utility model is: the control signal that the hand exercise of user is converted into the motor movement that drives automatically controlled drive division through the pick off family on the electric control handle; Limb action through user is controlled advancing, retreat and rotating of operating theater instruments; Thereby realize user single be the purpose of may command endoscope action, simple to operate.
The utlity model has trick through user and cooperate the rotation that can realize scope and move, control is simple, advantage easy to use.
The described content of this description embodiment only is enumerating the way of realization of utility model design; The protection domain of this utility model should not be regarded as and only limit to the concrete form that embodiment states, the protection domain of this utility model also reach in those skilled in the art according to this utility model design the equivalent technologies means that can expect.
Claims (8)
1. based on the soft endoscopic system of automatically controlled driving instruments; Comprise a flexible endoscope and an operating theater instruments that is provided with two instrument channel; Operating theater instruments is by the control corresponding steel wire traction; The control steel wire is arranged in the instrument channel of flexible endoscope, and the near-end of control steel wire connects driving handle, driving handle comprise pedestal be installed on the pedestal can tractive control steel wire the control roller;
It is characterized in that: described driving handle is controlled by the motorized motions control part; The motorized motions control part comprises the drive seat that is connected with the pedestal detached type; Drive seat is installed on the drive division support; Drive seat is provided with and controls the driving rotating disk that pair of rollers is answered, drive rotating disk and control roller releasably key is connected, the driving rotating disk is connected with the rotary tray motor of its rotation of drive;
The drive division support is provided with and can drives the straight line driving mechanism that drive seat moves reciprocatingly along straight line; Drive seat connects the rotary drive mechanism that can drive the drive seat rotation; The drive division support is provided with the pilot sleeve that allows the control steel wire to pass; Pilot sleeve inserts in the instrument channel of flexible insertion section with the control steel wire, and the control steel wire runs through instrument channel.
2. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 1 is characterized in that: straight line driving mechanism comprises advance and retreat drive motors, the leading screw that is connected with advance and retreat drive motors output shaft and with the nut of leading screw engagement and only allow nut to move axially the locating part that limits the nut rotation along leading screw;
The drive division support comprises the fixed part of fixing advance and retreat drive motors and drives drive seat along the axially movable moving part of screw mandrel that moving part is fixedly connected with nut.
3. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 2; It is characterized in that: rotary drive mechanism comprise rotary drive motor, the planetary gear that is connected with the rotary drive motor output shaft and with the central gear of planetary gear engaged transmission, planetary gear is around the circular motion of central gear;
Central gear is fixed on the moving part of drive division support, and rotary drive motor is fixed on the drive seat, and drive seat and moving part are rotatably connected.
4. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 3; It is characterized in that: drive seat is provided with central rotating shaft, and moving part is provided with and allows central rotating shaft to insert the axis hole in it, axis hole and the coaxial setting of central gear; Central rotating shaft is provided with the outward extending bulge loop of a circle; Axis hole is provided with the scrobicular ring adaptive with bulge loop, and central rotating shaft and axis hole matched in clearance are provided with the steel wire passage that allows the control steel wire to pass in the central rotating shaft; Central rotating shaft is socketed in the pilot sleeve.
5. like the described soft endoscopic system of one of claim 1-4 based on automatically controlled driving instruments; It is characterized in that: control part comprises control station; Control station is provided with the electric control handle that person easy to use grips; Electric control handle comprises cross bar and the montant that is articulated and connected, and is provided with the automatically controlled handle motion state of induction in the electric control handle and kinestate is converted into the pick off family of motor movement of the automatically controlled drive division of control.
6. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 5; It is characterized in that: be fixed with fixed cover on the control station; Cross bar is socketed in the fixed cover; Be provided with second potentiometer that first potentiometer that moves forward and backward of induction cross bar and induction cross bar rotate in a circumferential direction between cross bar and the fixed cover, cross bar moves and causes the first potentiometer potential change, the motion amplitude and the direction of the potential change decision advance and retreat drive motors of first potentiometer; Cross bar rotates in a circumferential direction and causes the second potentiometer potential change, the motion amplitude and the direction of the potential change decision rotary drive motor of second potentiometer;
The articulated section of cross bar and montant is provided with the 3rd potentiometer, and relatively rotating of cross bar and montant causes the 3rd potentiometer to change, the motion amplitude and the direction of the potential change decision rotary tray motor of the 3rd potentiometer;
All potentiometers form the pick off family of the automatically controlled drive division of control.
7. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 6; It is characterized in that: described montant is provided with the power amplifier that is connected with all potentiometers, and the signal of telecommunication that power amplifier is exported potentiometer amplifies or dwindles to increase or to reduce the motion amplitude of motor.
8. the soft endoscopic system based on automatically controlled driving instruments as claimed in claim 7; It is characterized in that: endoscopic system also has and in operation process, is the feeder of operating theater instruments air feed; Water supply installation that supplies water for operating theater instruments and the electric supply installation of supplying power for operating theater instruments; The switching of feeder, water supply installation and electric supply installation is controlled by corresponding electromagnetic valve or relay, and control station is provided with the foot switch of control electromagnetic valve or relay on-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180347 CN202604783U (en) | 2012-04-24 | 2012-04-24 | Flexible endoscope system based on electrically-controlled drive apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180347 CN202604783U (en) | 2012-04-24 | 2012-04-24 | Flexible endoscope system based on electrically-controlled drive apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN202604783U true CN202604783U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220180347 Withdrawn - After Issue CN202604783U (en) | 2012-04-24 | 2012-04-24 | Flexible endoscope system based on electrically-controlled drive apparatus |
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| CN (1) | CN202604783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697442A (en) * | 2012-04-24 | 2012-10-03 | 王东 | Flexible endoscope system based on electronic-control drive apparatus |
-
2012
- 2012-04-24 CN CN 201220180347 patent/CN202604783U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697442A (en) * | 2012-04-24 | 2012-10-03 | 王东 | Flexible endoscope system based on electronic-control drive apparatus |
| CN102697442B (en) * | 2012-04-24 | 2014-10-08 | 王东 | Flexible endoscope system based on electronic-control drive apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20141008 |
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| RGAV | Abandon patent right to avoid regrant |