A kind of guidewire controller and its operating method
Technical field
The invention belongs to interventional surgery technical field, is related to a kind of guidewire controller and its control method.Should
Guidewire controller can be used in radiography, intervention operation virtual reality surgery training and operation practical operation.
Background technology
Disease of cardiovascular system is the most commonly seen a kind of disease of the mankind, is a big cause of the death of current world population, seriously
Threaten human health.Cardiovascular and cerebrovascular disease has become one of three dead big reasons of human diseases, the annual heart and brain of China 9,000,000
There are 2,500,000 people dead in vascular disease.
The minimally invasive interventional therapy of cardiovascular and cerebrovascular is the essential therapeutic arsenals for cardiovascular and cerebrovascular disease, and it is set in medical image
Under standby guiding, by means of tube chamber arrival diseased region farther out of the interposing catheter along blood vessel, such as coronary artery, brain, liver
It is intravascular with kidney, a kind of emerging medical operating of minimally-invasive treatment is then carried out diseased region.In vascular interventional treatment mistake
Cheng Zhong, doctor need to complete to perform the operation by the guiding of the Digital subtraction angiograph (DSA) based on X ray, although doctor matches somebody with somebody
Standby leaded protective garment, but still can not protect doctor upper limbs and head not by X-ray radiation;And due to vascular interventional treatment
Complexity, generally require for a long time be exposed to X ray environment in operate, the accumulative amount of radiation of doctor is big;And wear for a long time
Heavy leaded protective garment, increases the pressure load of backbone, existing more report shows the thyroid gland of blood vessel intervention doctor
Doctor of the incidence of cancer, radioactivity lens damage, lumbar vertebra disease etc. apparently higher than other subject.It is engaged in Endovascular and controls in the whole nation
The people of medical personnel about 700,000 of operation is treated, the annual Endovascular Therapy that carries out in the whole nation is related to X ray more than 10,000,000 times
Occupational injury turns into a unavoidable problem, and serious threat the health status of doctor and the length of vascular interventional treatment
Remote development.Conduit is carried out by robot technology, the operation method of seal wire remote operating can successfully manage this problem, Ke Yi great
Width improves the precision and stability of operation technique, while can effectively reduce injury of the radioactive ray to operating doctor, reduces thing in art
Therefore occurrence probability.Therefore, cardiovascular and cerebrovascular intervention operation auxiliary robot is more and more of interest by people, is increasingly becoming each
Emphasis of the state in medical robot field researches and develops object.
Blood vessel intervention operation robot is isolated doctor with radioactive ray, such as mainly using principal and subordinate end operation structure at present
The Application No. of Institutes Of Technology Of Tianjin's application:201410206956.7 patent of invention, disclose a kind of principal and subordinate's minimally-invasive vascular and be situated between
Enter surgical assistant system from operator device, it includes axial push unit, rotary unit, catching unit, surgical catheters, operation
Power detection unit and angular adjustment base, its method of work include signal detection, transmission, processing, action.It is advantageous in that:Can
To imitate the action of the interventional procedure of doctor, performance accuracy is high, effectively improves operation safety;Different receiving treatments can be ensured
Person or different intervention positions can be adjusted to the desired angle of operator.And for example, Harbin Institute of Technology is in application
A kind of patent of entitled catheter robot system for intravascular minimally invasive intervention operation, employs steerable catheter, can obtain
Steerable catheter bends the posture information of controllable segment, ensures the flexibility of steerable catheter front end and the navigability of intubation operation,
Simultaneously by main hand handle control principal and subordinate's intervention device realize steerable catheter push away draw, rotation and flexure operation, and hand can be obtained
Art room steerable catheter conveying force information, ensure the accuracy and stability of intubation.The Application No. applied such as Beijing Institute of Technology:
It is 201610119761.8 entitled:Principal and subordinate's interventional surgery robot controls from end and its control method, including from end
Mechanism and from end mobile platform, from end controlling organization by clamp drive mechanism I, thrust feedback mechanism II, lossless clamping device III,
Clamping controlling organization IV forms.The program is by devising lossless clamping device, clamping controlling organization, clamp drive mechanism and pushing away
Force feedback mechanism, come complete the clamping of seal wire in surgical procedure, loosen, rotate, push, push power measurement etc. operation, add
The accuracy of power measurement is pushed, improves the reliability of seal wire clamping, but its structure is relative complex, property easy to assemble does not have too yet
It is big to improve, while the relative position problem during push between conduit or seal wire head end and vascular wall does not obtain very well yet
Solution.
Such scheme is all for the relatively advanced research of blood vessel intervention operation robot for the country, but they are all present
Following several respects problem:(1) it is poor for the chucking power of seal wire;(2) the relatively too fat to move complexity of structure, not only manufacturing cost
Height, and influence performance accuracy;(3) dismounting of seal wire is inconvenient, is not easy to change seal wire in operation, it has not been convenient to seal wire and connect
Mouth carries out disinfection processing;(4) in performing the operation the relative position and stress of seal wire in the blood vessels can not be known, operation risk is higher.
Inventor and Beijing Institute of Technology are cooperated research, and persistently the technology of intervention operation robot is studied,
It is directed to improving the mode of operation of device, more meets doctor's actual demand, structure is simpler, easy-disassembling-assembling device.
The content of the invention
The present invention provides a kind of guidewire controller and its control method, and the guidewire controller purpose is solve prior art
The problem of complexity of middle seal wire clamp structure and inconvenient clamping, can not the direct feel seal wire anglec of rotation, stressing conditions.This is led
Silk controller uses modularized design, simple in construction, convenient disassembly, is conveniently replaceable and sterilizes;This method clamps dress using seal wire
Clamping and release of the switching mechanism completion to seal wire are put and clamped, six-axis force sensor is installed, existing robot is solved and is difficult to
Complete to conduit and seal wire cooperating and can not direct feel operation technique the problem of, for intervene operation or radiography, improve
Intervention operation or radiography security and operability, it is simple in construction easily realize, while the device can also be used to operative training,
Teaching or training.
The present invention is achieved by the following technical solutions:
A kind of guidewire controller, it is characterised in that:Including guidewire controller pedestal (6) and installed in guidewire controller pedestal
(6) the seal wire clamping device (7) on, the clamping switching mechanism (8) on guidewire controller pedestal (6), six axle powers sensing
Device device for measuring force (9), angular adjustment base (10) is installed under pedestal, seal wire clamping device (7) is used to clamp seal wire, and clamping is cut
Converting mechanism (8) is used to drive seal wire clamping device (7) to unclamp the clamping to seal wire, and six-axis force sensor device for measuring force (9) is used for
Resistance or the moment of resistance, seal wire clamping device (7) during measurement guide wire motion are located at the upside of guidewire controller pedestal (6),
The rear side that switching mechanism (8) is located at guidewire controller pedestal (6) is clamped, the seal wire clamping device (7) includes seal wire lock sleeve
Cylinder (710), seal wire locking rod (720) and seal wire lock device (730), the seal wire locking sleeve (710) have taper hole, seal wire lock
Only device (730) has the male cone (strobilus masculinus) being engaged with the taper hole of seal wire locking sleeve (710), the male cone (strobilus masculinus) of seal wire lock device (730)
On circumferentially open up at least two otch, seal wire lock device (730) passes through stress radial contraction and clamps seal wire.
One end installation seal wire lock device (730) of the seal wire locking rod (720) loads seal wire locking sleeve (710) afterwards
Interior, seal wire locking rod (720) makes seal wire lock device (730) clamp seal wire by extruding seal wire lock device (730).
Spring (740) is cased with the seal wire locking rod (720), spring (740) passes through installed in seal wire locking sleeve
(710) the lock device end cap (760) of end is fitted in seal wire locking sleeve (710).
Clamping switching mechanism (8) the connection seal wire locking rod (720), can pull seal wire locking rod (720) compression spring
(740) seal wire locking rod (720), is made to unclamp the extruding to seal wire lock device (730), so that seal wire lock device (730) is unclamped
Clamping to seal wire.
4 otch are circumferentially preferably opened up on the male cone (strobilus masculinus) of the seal wire lock device (730), tapering point is cut into uniformly
4 parts.
Described guidewire controller pedestal (6) includes housing (610) and the upper lid (620) covered on housing (610), dividing plate
(910) it is arranged in housing (610), the plugboard (941) of seal wire connector (940) is through upper lid (620), in housing (610)
Bottom a pair of plates (611) are set, be provided with jack (130) in the supporting plate (140) on angular adjustment base (10) top, insert
Plate (611) insertion jack (130), is fixed by pin.
The angular adjustment base (10), including riser (110), base (120), supporting plate (140), riser connecting shaft
(150), sleeve pipe (160), sleeve pipe connection axle (170), adjustment bar (180), connecting shaft (190) and fastening screw (200).
The guidewire controller also includes seal wire torsion device (630);The seal wire torsion device (630) is led for driving
Silk locking sleeve (710) rotation.
The seal wire reverses the motor (631) that component (630) includes being arranged on guidewire controller pedestal (6), motor
(631) little gear (632) is connected;The gear wheel engaged with little gear (632) is installed on described seal wire locking sleeve (710)
(633).Torque sensor is arranged between the output end and little gear of motor;When torque sensor detects rotary drive motor
Output torque after, real-time output torque subtracts output torque during zero load, you can obtain to operation catheter manipulation when reality
When moment of torsion.
Described seal wire locking sleeve (710) is arranged on guidewire controller pedestal by housing supports component (790) support
(6) on;The housing supports component (790) includes positioning base (791), and seal wire locking sleeve (710) is pacified by bearing (780)
Dress is mounted in positioning base (791).
The bottom of the positioning base (791) is provided with the locking switch that can be stirred (792) by connecting seat (793);Institute
The seal wire connector (940) stated is provided with the plugboard (941) of spliced eye (942), and stirring locking switch (792) will can lock
Switch in (792) insertion spliced eye (942), so as to pin seal wire connector (940).
Described six-axis force sensor device for measuring force (9) includes the dividing plate being arranged in guidewire controller pedestal (6)
(910), seal wire connector (940) and six-axis force sensor (950);Described seal wire connector (940) is used for branch sleeve branch
Support component (790), it is removably set on dividing plate (910) by line slideway auxiliary (920);The six-axis force sensor
(950) one end is connected with dividing plate (910), and the other end is connected with seal wire connector (940).
A kind of control method of such as foregoing intervention operation robot guidewire controller, using seal wire clamping device
(7) seal wire is clamped, drives seal wire clamping device (7) to unclamp the clamping to seal wire, the clamping of seal wire using switching mechanism (8) is clamped
It is separately controlled with release.
The guidewire controller of the present invention can be used in making intervention operation robot, radiography robot, simulate to perform the operation and use
The devices such as robot.
Beneficial effect
Compared to prior art, beneficial effects of the present invention are:
(1) by the way that seal wire clamping device and clamping switching mechanism are removably mounted at into matrix in guidewire controller of the present invention
On part, clamping and release to seal wire are completed, Structured Design, simple combination, convenient disassembly, is conveniently replaceable and disappears
Poison;And the existing method of clamping to seal wire is different from, seal wire clamp system clamping seal wire belongs to normality in the present invention, and clamps and cut
Converting mechanism can drive seal wire clamp system to unclamp seal wire when necessary, can control clamping respectively and unclamp, so as to significantly simple
Change the clamping structure of seal wire, be also beneficial to the clamping for coordinating conduit, complete the cooperating to catheter guide wire;
(2) seal wire clamping device uses special seal wire lock device and seal wire locking sleeve in guidewire controller of the present invention
Cone match form, seal wire locking rod, which can extrude seal wire lock device, makes its radial contraction, and so as to clamp seal wire, this mode is to leading
All by chucking power in silk whole circumference, blessing area is big, and clamping is reliable, and the damage to seal wire is small;
(3) guidewire controller of the present invention, active force is applied to seal wire locking rod by spring in seal wire clamp system, makes it
Clamping of the seal wire lock device completion to seal wire is extruded, the pre compressed magnitude by adjusting spring can be conveniently adjusted the clamping of seal wire
Power, it is easy to adjust;
(4) guidewire controller of the present invention, the structure type of seal wire clamp system is coordinated to may be such that by clamping switching mechanism
Seal wire lock device unclamps the clamping to seal wire, clamps and is rotated in switching mechanism by servo driving rotating disk, the line winding on rotating disk,
Line pulls seal wire locking rod to overcome the elastic force of spring to move, so as to from the extruding opened to seal wire lock device, make seal wire lock device
Seal wire is unclamped, such a frame mode is simple, and easy switching is reliable, and controllability is strong;
(5) guidewire controller of the present invention, the twist operation to seal wire can be realized by seal wire torsion device, so as to meet hand
The angle of seal wire head end is controlled during art, ensures that conduit can be promoted smoothly to precalculated position in the blood vessels;Seal wire reverses
Device uses the form of motor-driven gear, by adjusting the gearratio of little gear and gear wheel, can adjust the rotation speed of conduit
Degree;
(6) guidewire controller of the present invention, push power of the seal wire during push can be detected by dynamometry component, reached
The accurate control of seal wire, improve operation safety;Real-time dynamic force feedback is carried out using six-axis force sensor, doctor can be made
Direct feel facilitates accurate control push power size in surgical to drag size;The dynamometry component is arranged on body portion
Inside, compact-sized, structure relative closure, it can be good at protecting six-axis force sensor, and the dynamometry shape of six-axis force sensor
Formula is simple and convenient, and intermediate connector is relatively fewer, and the dynamometry degree of accuracy is high;
(7) guidewire controller of the present invention, seal wire clamp system pass through bearings seal wire locking sleeve using positioning base
Structure, neither influence the clamping to seal wire, nor affect on seal wire torsion device driving seal wire locking sleeve rotating;
(8) guidewire controller of the present invention, the attachment structure of the positioning base and seal wire connector of seal wire clamp system is ingenious,
It can complete to connect or unclamp by stirring locking switch, be easy to dismount;
(9) guidewire controller of the present invention, angular adjustment base is installed, different patients or operation intervention can be directed to
Position, 0-45 ° of any intervention angle is obtained by adjusting angle adjusting base, overall structure is simple, using modular construction
Design, dismounting combination is easy, compact-sized, and it is most of can all adopt made of plastic, overall weight is light, manufacturing cost compared with
It is low;
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of guidewire controller of the present invention;
Fig. 2 is the main structure diagram of body portion in guidewire controller of the present invention;
Fig. 3 is the sectional view of A-A in Fig. 2;
Fig. 4 is the sectional view of B-B in Fig. 3;
Fig. 5 is the exploded perspective view of body portion in guidewire controller of the present invention;
Fig. 6 is the main structure diagram of seal wire clamp system in guidewire controller of the present invention;
Fig. 7 is the sectional view of C-C in Fig. 6;
Fig. 8 is the sectional view of D-D in Fig. 7;
Fig. 9 is the exploded perspective view of seal wire clamp system in guidewire controller of the present invention;
Figure 10 is the dimensional structure diagram that switching mechanism is clamped in guidewire controller of the present invention;
Figure 11 is the explosive view that switching mechanism is clamped in guidewire controller of the present invention.
Figure 12 is angle adjustable understructure schematic diagram of the present invention;
Figure 13 is displacement acquisition cellular construction schematic diagram of the present invention;
Figure 14 is operating platform dimensional structure diagram viewed from above
Label in accompanying drawing is expressed as:
6 guidewire controller pedestals;610 housings;611 plates;Covered on 620;630 seal wire torsion devices;631 motors;632 is small
Gear;633 gear wheels;
7 seal wire clamping devices;710 seal wire locking sleeves;720 seal wire locking rods;730 seal wire lock devices;740 springs;750
Pad;760 lock device end caps;770 lock device arm-ties;780 bearings;790 housing supports components;791 positioning bases;792 lockings
Switch;793 connecting seats;794 bearing plates;795 positioning pressuring plates;
8 clamp switching mechanism;810 steering engine seats;811 grafting blocks;820 steering wheels;830 rotating disks;840 switch boards;850 straight lines are led
Rail secondary A;
9 six-axis force sensor device for measuring force;910 dividing plates;920 line slideway auxiliary B;930 supporting plates;940th, seal wire connects
Part;941 plugboards;942 spliced eyes;950 six-axis force sensors;960 sensor fixation plates.
10 angular adjustment bases;110 risers;120 pony sills;130 jacks;140 supporting plates;150 riser connecting shafts;160
Sleeve pipe;170 sleeve pipe connection axles;180 adjustment bars;190 connecting shafts and 200 fastening screws.
Embodiment
The present invention is further described below with reference to specific embodiments and the drawings.
Embodiment 1
The present embodiment provides a kind of guidewire controller on platform contiguous block, and the platform contiguous block 1130 has
Two, catheter controller and guidewire controller are installed respectively in two platform contiguous blocks 1030.Wherein, platform contiguous block 1130 is logical
Cross line slideway auxiliary 1020 to be arranged in support platform 1110, each platform contiguous block 1130 is independent by drive mechanism 1140
Driving, drive mechanism quantity is consistent with platform connection number of blocks, and catheter controller is used for clamping conduit and rotating conduit
With push power detection etc., guidewire controller be used for clamp seal wire and seal wire is rotated and push power detection etc..
Described each drive mechanism 1140 includes motor 1142, rope 1141 and strainer 1150;
The device is by devising support platform 1110, platform contiguous block 1130, drive mechanism 1140 and strainer
1150 mutual cooperation, using the form of a track multi-slide, to complete to catheter controller and guidewire controller simultaneously, same
On one rectilinear orbit, rectilinear movement control is carried out;Six-axis force sensor is installed simultaneously, the effect of doctor's operation by human hand can be fed back
Power.Convenient with installation and adjustment, control accuracy is high, and conduit and seal wire can cooperate with the intervention such as push, feedback wire catheter simultaneously
The advantages of power of machinery feels sense, and feel is true.
The structure of guidewire controller is described in detail.
The mechanism of guidewire controller
As shown in figure 1, guidewire controller mainly includes eight parts, respectively guidewire controller pedestal 6, seal wire clamps dress
Put 7, clamp switching mechanism 8, seal wire torsion device 630, six-axis force sensor device for measuring force 9 and angular adjustment base 10;Wherein,
Guidewire controller pedestal 6 is the installation foundation of other four parts, and seal wire clamping device 7 and clamping switching mechanism 8 are detachable
On guidewire controller pedestal 6, seal wire clamping device 7 is located at the upside of guidewire controller pedestal 6, clamps switching mechanism 8
Positioned at the rear side of guidewire controller pedestal 6, seal wire clamping device 7 is used to clamp seal wire, clamps switching mechanism 8 and is used to drive seal wire
Clamping device 7 unclamps the clamping to seal wire, and seal wire torsion device 630 is used to complete the twist operation to seal wire, and six axle powers pass
Sensor device for measuring force 9 is used for the push power for detecting seal wire.Six-axis force sensor can be described in Real-time Feedback between seal wire and vascular wall
Resistance and the moment of resistance.The device can be completed the clamping to seal wire, be loosened, pushed, reversed and surveyed by the mutual cooperation of each several part
Power, so as to coordinate the control of conduit, complete the coordinated in surgical procedure..Separately below to the concrete structure point of each several part
It is not described in detail.
With reference to shown in Fig. 2 to Fig. 5, Figure 12, guidewire controller pedestal 6 mainly includes housing 610 and upper lid 620;In this reality
Apply in example, housing 610 is the shell-like structure that top and rear end open, and upper lid 620 is arranged on the top of housing 610 so that housing
The space comparatively closed is formed in 610, is the peace of follow-up seal wire torsion device 630 and six-axis force sensor device for measuring force 9
Fill vacating space.Seal wire clamping device 7 is arranged on the top of upper lid 620, and clamps after switching mechanism 8 is fixed on housing 610
Side, installation site reasonable distribution, also comply with the needs that respective function is realized.Due to part based on guidewire controller pedestal 6,
Whole device is to be installed on tilt adjustable section base to be operated accordingly by it, for the convenience of installation, in housing
B610 bottom sets a pair of plates 611, and plate 611 inserts jack 130, then is fixed by pin.
The angular adjustment base is by riser 110, base 120, supporting plate 140, riser connecting shaft 150, sleeve pipe 160, set
Pipe connecting shaft 170, adjustment bar 180, connecting shaft 190 and fastening screw 200 are formed;The riser is arranged on base;The set
Pipe is connected with base, can be surrounded sleeve pipe connection axle and be rotated;The adjustment bar is embedded in sleeve pipe 26, and junction is provided with adjustable
The fastening screw of embedded length;The supporting plate of the angular adjustment base is connected by riser connecting shaft with riser respectively, is passed through
Connecting shaft is connected with adjustment bar, and riser connecting shaft and connecting shaft are rotatable connecting shafts.
Need, can be obtained by adjusting angle adjusting base for different curers or operation intervention position
0-45 ° of any intervention angle;The length that adjustment bar gos deep into sleeve pipe determines the size for intervening angle, when adjustment bar gos deep into sleeve pipe
Length when reaching required intervention angle, bar is adjusted by fastening screw and fixed, angle is constant needed for holding.
With reference to shown in Fig. 2 to Fig. 5, six-axis force sensor device for measuring force 9 is arranged in housing 610, and its structure is surveyed with conduit
Power component 5 is similar, and it mainly includes dividing plate 910, seal wire connector 940 and six-axis force sensor 950;Wherein, dividing plate 910 is installed
In the centre of housing 610, space in housing 610 is roughly divided into two parts up and down, two relative sides of dividing plate 910 flip up
Side plate is formed, respectively one line slideway auxiliary 920 of installation, line slideway auxiliary 920 connect seal wire connection to the relative inner side of two side plates
Part 940, seal wire connector 940 be used for connect seal wire clamping device 7, so as to seal wire connector 940 can opposed separators 910 slide,
This is also the premise that can subsequently carry out pushing power detection to seal wire.In the present embodiment, line slideway auxiliary 920 is it is also preferred that using rolling
Pearl line slideway auxiliary, frictional force is smaller can almost to be ignored, and be can be neglected so as to the resistance of motion of seal wire connector 940, ensured to lead
The high accuracy of silk push power detection.Line slideway auxiliary 920 includes guide rail and sliding block, and guide rail is fixed on the side plate of dividing plate 910, sliding
Block is attached by supporting plate 930 and seal wire connector 940.One L-shaped sensor is also installed on dividing plate 910 to fix
Plate 960, one end of sensor 950 are connected with seal wire connector 940, and the other end is connected with sensor fixation plate 960, so, is led
The thrust of silk is delivered on seal wire connector 940 by seal wire clamping device 7, and the opposed separators 910 of seal wire connector 940 move,
Pulling force is produced to six-axis force sensor 950, the conduit and vascular wall can be measured in real time by the six-axis force sensor 10
Between resistance and the moment of resistance.
Pedestal is provided with guide rail, and displacement acquisition unit 1150 is arranged on pedestal, including:Laser mouse displacement transducer
51, intervention apparatus guide pipe 52, guide pipe fixed seat 53, guide rail 54.Laser mouse displacement transducer 51 is fixed on pedestal, and two
Individual pipe fixed seat 53 is located at the both ends of laser mouse displacement transducer 51 respectively, and its bottom is matched somebody with somebody by lozenges and guide rail 54
Close, guide rail 54 is screwed on pedestal, and intervention apparatus guide pipe 52 is fixed in guide pipe fixed seat 53.
Seal wire passes through the measured zone of laser mouse displacement transducer 51 along intervention apparatus guide pipe 52, and enters and be oriented to
Pipe 52, now, laser mouse displacement transducer 51 measure the axial displacement and swing offset of seal wire in real time, and displacement signal is sent out
Computer is given to be handled;The position of guide pipe fixed seat 53 can adjust along guide rail 54.
In order to facilitate the connection between seal wire connector 940 and seal wire clamping device 7, the present embodiment is in seal wire connector
A pair of plugboards 941 with spliced eye 942 are set on 940, and plugboard 941 passes through upper lid 620 out of housing 610, makes grafting
Hole 942 is higher by the surface of lid 620, quickly can be connected or torn open with seal wire clamping device 7 by its seal wire connector 940
Under.At the same time, to adapt to the structure type of seal wire connector 940, also there is specific want to the structure of seal wire clamping device 7
Ask, can illustrate below.
As shown in Fig. 6 to 9, seal wire clamping device 7 includes seal wire locking sleeve 710, seal wire locking rod 720, seal wire locking
Device 730 and housing supports component 790;Wherein, seal wire locking sleeve 710, seal wire locking rod 720 and seal wire lock device 730 all have
There is the centre bore run through along respective axis, so that seal wire passes through;Seal wire lock device 730 is in similar to mushroom-shaped structure, both ends size
Differ, less one end can be inserted into the end of seal wire locking rod 720, and larger one end exposes outside, and has male cone (strobilus masculinus), along outer cone
The circumferencial direction in face opens up at least two otch, opens up 4 otch in the present embodiment, and tapering point is cut into uniform 4 parts;
And the seal wire locking rod 720 for loading seal wire lock device 730 is inserted in seal wire locking sleeve 710, and have in seal wire lock device 730
The taper hole being engaged with the male cone (strobilus masculinus) of seal wire lock device 730.Meanwhile seal wire locking rod 720 is close to one end of seal wire locking rod 720
With baffle ring, spring 740 is cased with seal wire locking rod 720, one end of spring 740 is spacing by baffle ring, then in seal wire locking sleeve
710 end installation lock device end cap 760, spring 740 is fitted in seal wire locking sleeve 710, in the He of lock device end cap 760
Pad 750 is set between the end of spring 740, so that the more preferable holddown spring 740 of lock device end cap 760.So, lock device end
The extrusion spring 740 of lid 760, spring 740 applies thrust to seal wire locking rod 720, and then seal wire locking rod 720 extrudes seal wire locking
Device 730 so that the taper hole surface of the male cone (strobilus masculinus) of seal wire lock device 730 and seal wire locking sleeve 710 relatively moves, due to leading
The presence of the silk upper cut of lock device 730, so as to which seal wire lock device 730 has the end meeting radial contraction of the conical surface, seal wire is clamped, this
Kind mode is to, all by chucking power, blessing area is big, and clamping is reliable, and the damage to seal wire is small in seal wire whole circumference.
To meet the connection of above-mentioned seal wire clamping device 7 and seal wire connector 940, and follow-up seal wire torsion device 630
The torsion to seal wire can be realized, the present embodiment is designed to the supporting construction of seal wire locking sleeve 710, using seal wire locking
Sleeve 710 supports the structure type being arranged on guidewire controller pedestal 6 by housing supports component 790.The housing supports group
Part 790 includes positioning base 791, bearing plate 794 and positioning pressuring plate 795;Wherein, positioning base 791 has the receiving of U-shaped
Chamber, accommodating chamber is interior to have two bearing necks, and a bearing 780, two bearings are respectively installed in the both ends of seal wire locking sleeve 710
780 are stuck in bearing neck, push down bearing above bearing 780 with bearing plate 794, can prevent seal wire locking sleeve 710
Axial float, fixed again by positioning pressuring plate 795 in bearing plate 794, prevent the radial-play of seal wire locking sleeve 710, axle
Socket connection mode is used between bearing plate 794 and positioning base 791, inserting is conveniently.In addition, in the bottom of positioning base 791
Both sides respectively open up an open slot, are equipped with connecting seat 793 in open slot, and positioning base 791 and connecting seat 793 it
Between space in the locking switch 792 that can stir is set, locking switch 792 is used to pinning or unlocking seal wire connector 940.Lock
Switch for locking 792 is made up of the clamp and vertical swinging plate of level, and clamp is slidably arranged in the chute on connecting seat 793, is dialled
Dynamic plate passes through the hole on positioning base 791, exposes the surface of connecting seat 793, for stirring.It is installed in seal wire clamping device 7
During the top of lid 620, in the vertical jack formed between plugboard B941 insertion positioning bases 791 and connecting seat 793, by dialling
Dynamic locking switch 792, in the spliced eye B942 that may be such that clamp insertion plugboard B941, so as to realize seal wire clamping device 7 with
Seal wire connector 940 is detachably connected.
With reference to shown in Fig. 1 to Fig. 5, the structure of seal wire torsion device 630 includes motor 631, little gear 632 and gear wheel
633;Wherein, motor 631 is fixed in housing 610, has good protective effect, the output axis connection little gear of motor 631
632, gear wheel 633 is connected by key with the front end of seal wire locking sleeve 710, little gear 632 and the engaged transmission of gear wheel 633.
Torque sensor is arranged between the output end and little gear of motor.
In use, the driving pinion 632 of motor 631 rotates, by size meshed transmission gear, gear wheel 633 drives and led
Silk locking sleeve 710 rotates, on the premise of seal wire clamps, seal wire can root rotated with seal wire locking sleeve 710, so as to
The angle of guidewire tip is adjusted, ensures that conduit can be promoted smoothly in the blood vessels.When torque sensor detects rotation driving electricity
After the output torque of machine, real-time output torque subtracts output torque during zero load, you can obtains during to operation catheter manipulation
Real-time moment of torsion.
Twist operation to seal wire can be realized by seal wire torsion device 630, so as to meet in surgical procedure to conductive filament head
End angle control, ensure seal wire in conduit, and it is intravascular can smoothly to precalculated position promote;Seal wire torsion device
630 use the form of the drive gear of motor 631, by the gearratio for being sized gear, you can adjust the velocity of rotation of seal wire.
With reference to shown in Figure 10 and Figure 11, clamping switching mechanism 8 includes steering engine seat 810 and steering wheel 820;Wherein, steering engine seat 810
Housing 610 is installed to for switching mechanism 8 will to be clamped, steering wheel 820 is arranged on steering engine seat 810, and steering wheel 820 is connected with rotating disk
830, and can driving rotating disk 830 rotate, wind wired on rotating disk 830, the free end of line is used to pull seal wire locking rod 720, makes
Seal wire locking rod 720 unclamps the extruding to seal wire lock device 730, so that seal wire lock device 730 unclamps the clamping to seal wire.For
Above-mentioned function can be realized, and does not influence the clamping under the usual state of seal wire to seal wire, to the company of line and seal wire locking rod 720
Binding structure is designed, and in this embodiment, the end of seal wire locking rod 720 is connected through a screw thread a lock device arm-tie 770, lock
Only between device arm-tie 770 and lock device end cap 760 at a distance, this distance can pass through lock device arm-tie 770 and seal wire
The screw thread length of fit regulation of locking rod 720;Meanwhile switch boards 840 are provided with by line slideway auxiliary 850 on dividing plate 910,
Switch boards 840 have arc gap, by the breach, switch boards 840 be stuck in lock device end cap 760 and lock device arm-tie 770 it
Between, rotating disk 830 is reached the standard grade to be connected with switch boards 840, and so as to which the driving rotating disk 830 of steering wheel 820 rotates, switch boards 840 are pulled by line
It is moved rearwards, switch boards 840 are locked out device arm-tie 770 and blocked, and drive seal wire locking rod 720 to overcome spring 740 to be moved rearwards, from
And unclamp seal wire.
It is installed to for convenience of clamping switching mechanism 8 will be led on housing 610, steering engine seat 810, which is provided with, to be used to attach it to shell
A pair of grafting blocks 811 on body 610, the rear side of housing 610 is inserted by this grafting block 811, and blending bolt is fixed
Complete connection.
Clamping for seal wire and loosening in the prior art is realized by same mechanism, they is not grasped separately
Make, cause clamp structure relatively complicated, but when specifically used, seal wire is all to need to clamp in most cases
, typically in conduit and seal wire coordinate operation, only reach capacity position, need in conduit clip position and seal wire clip position
Just being unclamped when carrying out the adjustment of seal wire clip position needs to unclamp seal wire, and therefore, the present embodiment is considering actual use situation, will
The clamping and release of seal wire are separately controlled, and seal wire clamping device 7 is given tacit consent to clamps seal wire always, and when needing to unclamp seal wire, lead to
Cross clamping switching mechanism 8 to switch over, unclamp seal wire so that structure is optimized significantly.
In summary illustrate, to the structure and its annexation of intervention operation robot guidewire controller each several part
Carried out clear complete statement, its have the advantage that for:
1. overall structure is simple, comparatively independent between each several part using modular structure design, by simple
Combination can be completed to assemble, and dismounting is all convenient, and compact-sized small volume;Most of modular construction is simple, and can use plastics
Product is made, in light weight, and substantially reduces manufacturing cost;
2. clamping, release, push, torsion, dynamometry, displacement monitoring and the force feedback of seal wire can be realized simultaneously, on device
The six-axis force sensor of installation, the power and moment information of seal wire can be passed back in real time, so that operating personnel can remotely perceive
Caused resistance during wire feed, strong guidance is provided for the subsequent action of operating personnel, coordinates catheter controller to leading
Pipe seal wire Collaborative Control operates, and meets the various operational requirements of operation;
3. having angle adjustable base, angle can be adjusted according to operation demand, adaptability is wider, more seals
The structure type closed, all there is preferably protection to sensor and motor;
Can mainly be completed using above-mentioned guidewire controller the clamping to seal wire, loosen, push, reversing, dynamometry and power it is anti-
Feedback, meet the various operational requirements of intervention operation, its corresponding operating procedure is described in detail below.
First, in the jack that guidewire controller pedestal 6 is inserted to angular adjustment base by plate 611, and consolidated with pin
Fixed, angular adjustment base is reliably connected with platform contiguous block.Then, the front end of seal wire is sequentially passed through into seal wire locking rod 720, led
Silk lock device 730, and stretched out from the front end of seal wire locking sleeve 710, lock device end cap 760 is tightened, presss from both sides seal wire lock device 730
Tight seal wire.
After preparation more than, you can seal wire is controlled accordingly, it is specific as follows:
(1) push operation of seal wire
Steering wheel B820 is failure to actuate, and seal wire is clamped by seal wire lock device 730, and platform contiguous block 1130 moves, and is led so as to drive
Silk moves forward together, realizes the push of seal wire.
(2) the push power detection of seal wire
During seal wire push, the thrust of seal wire is transferred to six-axis force sensor 950, six axles through seal wire clamping device 7
Force snesor B950 produces deformation, and force signal is transformed into electric signal output, so as to measure push power size.
(3) twist operation of seal wire
On the premise of seal wire clamps, motor 631 must be electric, passes through little gear 632 and the engaged transmission of gear wheel 633, drives
Dynamic seal wire locking sleeve 710 rotates, and so as to drive seal wire to rotate, realizes the twist operation of seal wire.
(4) the release operation of seal wire
Steering wheel 820 must be electric, and driving rotating disk 830 is rotated, and line is wound on rotating disk 830, moves, cuts after first driving switch boards 840
Changing plate 840 pulls seal wire locking rod 720 to move, and seal wire lock device 730 unclamps the clamping to seal wire.
Clamping, release, push, torsion and the push power that can be completed to seal wire by above step detect, between each step
Orderly progress can complete the cooperating that seal wire coordinates conduit, so as to meet the various operational requirements in surgical procedure.
Clamping, release, push, torsion and the push power that can be completed to seal wire by above step detect, between each step
Orderly progress can complete the cooperating that seal wire coordinates conduit, so as to meet the various operational requirements in surgical procedure.
Example of the present invention is only that the preferred embodiment of the present invention is described, not to present inventive concept and
Scope is defined, on the premise of design philosophy of the present invention is not departed from, technology of this area engineers and technicians to the present invention
The various modifications and improvement that scheme is made, all should fall into protection scope of the present invention.