CN119949887B - Intracardiac ultrasound catheter handle operating device - Google Patents
Intracardiac ultrasound catheter handle operating deviceInfo
- Publication number
- CN119949887B CN119949887B CN202510086736.3A CN202510086736A CN119949887B CN 119949887 B CN119949887 B CN 119949887B CN 202510086736 A CN202510086736 A CN 202510086736A CN 119949887 B CN119949887 B CN 119949887B
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- rotating assembly
- assembly
- driving motor
- catheter handle
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Abstract
The invention relates to the technical field of medical instruments, and provides an intra-cardiac ultrasonic catheter handle operating device which comprises a shell, a rotating assembly, a linear moving assembly, a first clamping rotating assembly and a second clamping rotating assembly, wherein the shell is provided with a containing space, the shell is further provided with a first opening communicated with the containing space, an intra-cardiac ultrasonic catheter handle is suitable for being fixed in the containing space, the front end of the intra-cardiac ultrasonic catheter handle leaks out of the shell through the first opening, the first clamping rotating assembly and the second clamping rotating assembly are both installed in the containing space and respectively correspond to two rotating parts of the intra-cardiac ultrasonic catheter handle, the first clamping rotating assembly and the second clamping rotating assembly are both configured to clamp and rotate corresponding rotating parts, the shell is connected to the linear moving assembly through the rotating assembly, and the rotating assembly is configured to drive the shell to rotate so as to drive the intra-cardiac ultrasonic catheter handle to rotate along a central axis of the intra-cardiac ultrasonic catheter handle. Thus, the feeding, rotation and bending control functions can be realized.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an intracardiac ultrasonic catheter handle operating device.
Background
Modern medical detection and operation treatment are both independent of the use of an intracardiac ultrasonic catheter (ICE), and the condition of an affected part in a patient can be intuitively observed through the intracardiac ultrasonic catheter, so that the posture of the intracardiac ultrasonic catheter needs to be controlled in order to enable the monitoring position of the intracardiac ultrasonic catheter to smoothly detect the focus position of the patient.
If the control of an intracardiac ultrasonic catheter (ICE) is manually performed, the requirement on the hand stability is high, the imaging catheter advances or retreats along the blood vessel direction, and if the control direction of the imaging catheter is deviated, the accuracy of the imaging position is easily affected, and the blood vessel wall is seriously and even damaged.
Disclosure of Invention
The invention provides an intra-cardiac ultrasonic catheter handle operating device which is used for solving the problems that in the prior art, fatigue is easy to occur and accuracy is difficult to guarantee when an intra-cardiac ultrasonic catheter is manually operated.
The invention provides an intracardiac ultrasonic catheter handle operating device, which comprises a shell, a rotating assembly, a linear moving assembly, a first clamping rotating assembly and a second clamping rotating assembly, wherein the first clamping rotating assembly is connected with the first clamping rotating assembly;
The device comprises a housing, a first clamping and rotating assembly, a second clamping and rotating assembly, a linear moving assembly, a first clamping and rotating assembly, a second clamping and rotating assembly and a linear moving assembly, wherein the housing is provided with a storage space, the housing is further provided with a first opening communicated with the storage space, an intra-cardiac ultrasonic catheter handle is suitable for being fixed in the storage space, the front end of the intra-cardiac ultrasonic catheter handle leaks out of the housing through the first opening, the first clamping and rotating assembly and the second clamping and rotating assembly are both installed in the storage space and respectively correspond to two rotating parts of the intra-cardiac ultrasonic catheter handle, the first clamping and rotating assembly and the second clamping and rotating assembly are both configured to clamp and rotate the corresponding rotating parts, the housing is connected to the linear moving assembly through the rotating assembly, and the rotating assembly is configured to drive the housing to rotate so as to drive the intra-cardiac ultrasonic catheter handle to rotate along a central axis of the intra-cardiac ultrasonic catheter handle.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the linear movement assembly comprises a bottom plate, a guide rail, a sliding block, a first fixing seat and a first driving piece, wherein the guide rail is installed on the bottom plate, the first fixing seat is in sliding fit with the guide rail through the sliding block, the first driving piece is installed on the bottom plate and is configured to drive the first fixing seat to move relative to the bottom plate, and the rotating assembly is installed on the first fixing seat.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the first driving piece comprises a first screw rod, a first screw rod nut and a first driving motor, the first driving motor is in transmission connection with the first screw rod, and the first fixing seat is connected with the first screw rod through the first screw rod nut.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the rotating assembly comprises a first mounting seat, a second fixing seat and a second driving piece, wherein the first mounting seat is provided with a first side face and a second side face which are opposite, the shell is mounted on the first side face, the second side face is provided with a first arc-shaped guide part, the second fixing seat is provided with a first arc-shaped guide groove, the first arc-shaped guide part is slidably mounted in the first arc-shaped guide groove, and the second driving piece is mounted on the second fixing seat and is in transmission connection with the first mounting seat.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the first mounting seat comprises a first incomplete worm wheel and a first semi-annular guide rail, and the first semi-annular guide rail forms the first arc-shaped guide part;
The second driving piece comprises a first worm and a second driving motor, the second driving motor is in transmission connection with the first worm, and the first worm is in meshed connection with the first incomplete worm gear.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the second fixing seat is provided with a plurality of first rollers, the first rollers are arranged side by side to form two rows of roller groups, and the first arc-shaped guide grooves are formed between the roller groups.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the first clamping and rotating assembly and the second clamping and rotating assembly have the same structure, and each clamping and rotating assembly of the first clamping and rotating assembly and the second clamping and rotating assembly comprises a clamping assembly, a second mounting seat, a third fixing seat and a third driving piece;
The second mounting seat is provided with a third side face and a fourth side face which are opposite, the clamping assembly is mounted on the third side face, the fourth side face is provided with a second arc-shaped guide portion, the third fixing seat is provided with a second arc-shaped guide groove, the second arc-shaped guide portion is slidably mounted in the second arc-shaped guide groove, the third driving piece is mounted on the third fixing seat and is in transmission connection with the second mounting seat, and an adjustable clamping space is formed by the clamping assembly.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the second mounting seat comprises a second incomplete worm wheel and a second semi-annular guide rail, and the second semi-annular guide rail forms the second arc-shaped guide part;
The third driving piece comprises a second worm and a third driving motor, the third driving motor is in transmission connection with the second worm, and the second worm is in meshed connection with the second incomplete worm gear.
According to the intracardiac ultrasonic catheter handle operating device provided by the invention, the clamping assembly comprises a first clamping jaw, a second clamping jaw, a first pull rod, a second lead screw nut and a fourth driving motor;
The fourth driving motor is in transmission connection with the second lead screw, the second lead screw nut is in connection with the second lead screw, first clamping jaw and second clamping jaw all rotate connect in the second incomplete worm wheel deviates from one side of second semi-annular guide rail, the one end of first pull rod rotate connect in first clamping jaw, the other end of first pull rod rotate connect in the second lead screw nut, the one end of second pull rod rotate connect in the second clamping jaw, the other end of second pull rod rotate connect in the second lead screw nut.
According to the invention, the accommodating space comprises a first chamber and a second chamber, the first clamping rotating component and the second clamping rotating component are arranged in the first chamber, the handheld part of the intracardiac ultrasonic catheter handle is arranged in the second chamber, the first opening is communicated with the second chamber, the shell is provided with a first cover body corresponding to the first chamber and a second cover body corresponding to the second chamber, and/or,
The intracardiac ultrasonic catheter handle operation device further comprises a catheter delivery assembly, wherein the catheter delivery assembly comprises a mounting frame, a driving wheel, an eccentric wheel, a fifth driving motor and a sixth driving motor;
the device comprises a mounting rack, a fifth driving motor, a sixth driving motor, an eccentric wheel, a guide tube, an intracardiac ultrasonic guide tube handle and a heart ultrasonic guide tube.
According to the device for operating the handle of the intracardiac ultrasonic catheter, provided by the invention, a user can control the actions of the rotating assembly, the linear moving assembly, the first clamping rotating assembly and the second clamping rotating assembly in real time according to actual demands, the first rotating part can be driven to rotate under the action of the first clamping rotating assembly, the left-right bending of the front end is regulated, the second rotating part can be driven to rotate under the action of the second clamping rotating assembly, the up-down bending of the front end is regulated, the intracardiac ultrasonic catheter handle can move forwards or backwards along the length direction of the intracardiac ultrasonic catheter handle under the action of the linear moving assembly, and the intracardiac ultrasonic catheter handle can rotate around the central axis of the intracardiac ultrasonic catheter handle under the action of the rotating assembly, so that the functions of feeding, rotating, bending control and the like can be automatically realized.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an operation device of an intracardiac ultrasonic catheter handle according to the present invention.
Fig. 2 is a partially exploded view of an intra-cardiac ultrasound catheter handle operating device provided by the present invention.
Fig. 3 is a schematic diagram of a second embodiment of an apparatus for operating a handle of an intracardiac ultrasound catheter according to the present invention.
Fig. 4 is a schematic structural view of a rotary assembly provided by the present invention.
Fig. 5 is a schematic structural view of a first clamping and rotating assembly according to the present invention.
Fig. 6 is an exploded view of a first clamping and rotating assembly provided by the present invention.
Fig. 7 is a schematic structural view of a catheter delivery assembly provided by the present invention.
Reference numerals:
1. The device comprises a shell, a storage space, 111, a first chamber, 112, a second chamber, 12, a first opening, 13, a second opening, 14, a first cover, 15, a second cover, 16, a handle, 17, a first supporting seat and 18, a second supporting seat;
2. a linear movement assembly; 21, a bottom plate, 22, a guide rail, 23, a sliding block, 24, a first driving motor, 25, a first lead screw nut, 26, a first fixing seat, 27 and a first lead screw;
3. a rotating assembly; 31, a first incomplete worm wheel, 32, a first semi-annular guide rail, 33, a second fixing seat, 34, a first roller, 35, a second driving motor, 36, a first worm, 37 and a gasket;
4. A first clamping and rotating assembly; 401, a second incomplete worm wheel, 402, a second semi-annular guide rail, 403, a second worm, 404, a third driving motor, 405, a fourth driving motor, 406, a second lead screw, 407, a second lead screw nut, 408, a first pull rod, 409, a second pull rod, 410, a first clamping jaw, 411, a second clamping jaw, 412, a bearing seat, 413, a third fixing seat, 414, a second roller, 415, and a motor mounting seat;
5. A second clamping and rotating assembly;
6. A catheter delivery assembly; 61, a mounting rack, 62, a fifth driving motor, 63, a sixth driving motor, 64, an eccentric wheel, 65, a driving wheel, 66, a first connecting shaft, 67, a second connecting shaft, 68, a first flange plate, 69 and a second flange plate;
7. an intracardiac ultrasonic catheter handle, 71, a first rotating part, 72, a second rotating part, 73, a handheld part, 74, a front end, 75 and a catheter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The intra-cardiac ultrasound catheter handle operation device of the present invention is described below with reference to fig. 1 to 7.
As shown in fig. 1, the intracardiac ultrasound catheter handle 7 includes a catheter 75, a first rotating portion 71, a second rotating portion 72, a hand-held portion 73, and a front end 74, wherein the first rotating portion 71 is used for adjusting the left-right bending of the front end 74, and the second rotating portion 72 is used for adjusting the up-down bending of the front end 74.
As shown in fig. 1, an intracardiac ultrasonic catheter handle operation device according to an embodiment of the present invention includes a housing 1, a rotation assembly 3, a linear movement assembly 2, a first clamping rotation assembly 4, and a second clamping rotation assembly 5.
Wherein, the shell 1 is provided with a storage space 11, and the shell 1 is further provided with a first opening 12 communicated with the storage space 11, and the intracardiac ultrasonic catheter handle 7 is suitable for being fixed in the storage space 11, and the front end 74 of the intracardiac ultrasonic catheter handle 7 leaks outside the shell 1 through the first opening 12.
In addition, the first clamping and rotating assembly 4 and the second clamping and rotating assembly 5 are both installed in the accommodating space 11 and correspond to two rotating parts of the intracardiac ultrasound catheter handle 7, respectively, and the first clamping and rotating assembly 4 and the second clamping and rotating assembly 5 are both configured to clamp and rotate the corresponding rotating parts. Illustratively, the first clamping and rotating assembly 4 corresponds to the first rotating portion 71, under the action of the first clamping and rotating assembly 4, the first rotating portion 71 can be driven to rotate, and further, the left-right bending of the front end 74 is adjusted, the second clamping and rotating assembly 5 corresponds to the second rotating portion 72, under the action of the second clamping and rotating assembly 5, the second rotating portion 72 can be driven to rotate, and further, the up-down bending of the front end 74 is adjusted.
In addition, the housing 1 is connected to the linear movement assembly 2 through the rotation assembly 3, and the rotation assembly 3 is configured to drive the housing 1 to rotate so as to drive the intracardiac ultrasonic catheter handle 7 to rotate along the central axis of the intracardiac ultrasonic catheter handle. Under the action of the linear moving assembly 2 and the rotating assembly 3, the intra-cardiac ultrasonic catheter handle 7 can rotate around the central axis of the intra-cardiac ultrasonic catheter handle and can advance or retreat along the length direction of the intra-cardiac ultrasonic catheter handle.
In practical application, the user can control the action of rotating assembly 3, rectilinear movement subassembly 2, first centre gripping rotating assembly 4 and second centre gripping rotating assembly 5 in real time according to actual demand, under the effect of first centre gripping rotating assembly 4, can drive first rotation part 71 and take place to rotate, and then adjust buckling about front end 74, under the effect of second centre gripping rotating assembly 5, can drive second rotation part 72 and take place to rotate, and then adjust buckling about front end 74, under the effect of rectilinear movement subassembly 2, the advancing or the retreating along self length direction of heart interior supersound pipe handle 7 can be realized, under the effect of rotating assembly 3, heart interior supersound pipe handle 7 can be realized rotating around self central axis, from this, can realize functions such as feeding, rotation and bending control automatically.
In an alternative embodiment, as shown in fig. 1, 2 and 3, the linear movement assembly 2 includes a base plate 21, a guide rail 22, a slider 23, a first fixing base 26, and a first driving member, the guide rail 22 is mounted on the base plate 21, the first fixing base 26 is slidably engaged with the guide rail 22 through the slider 23, the first driving member is mounted on the base plate 21 and configured to drive the first fixing base 26 to move relative to the base plate 21, and the rotating assembly 3 is mounted on the first fixing base 26.
Specifically, the number of the guide rails 22 is two, the two guide rails 22 are fixed on the bottom plate 21 side by side, at least one sliding block 23 is mounted on each guide rail 22, two sliding blocks 23 are illustratively disposed on each guide rail 22, the first fixing seat 26 is an L-shaped fixing seat, the bottom wall of the L-shaped fixing seat is mounted on each sliding block 23, and the rotating assembly 3 is mounted on the side wall of the L-shaped fixing seat. In this way, the rotating assembly 3 can move linearly with respect to the base plate 21 under the drive of the first driving member. Wherein, the reinforcing plate can also be installed between the bottom wall and the side wall of the L-shaped fixing seat.
In practical application, as shown in fig. 1,2 and 3, the first driving piece includes a first screw rod 27, a first screw rod nut 25 and a first driving motor 24, the first driving motor 24 is in transmission connection with the first screw rod 27, and the first fixing seat 26 is connected with the first screw rod 27 through the first screw rod nut 25.
Specifically, the first lead screw 27 is disposed between the two guide rails 22, the first lead screw 27 is disposed parallel to the guide rails 22, one end of the first lead screw 27 is sleeved with a bearing, the bearing is mounted on the bottom plate 21 through a support, the other end of the first lead screw 27 is sleeved with another bearing, the bearing is mounted on the bottom plate 21 through another support, and an output shaft of the first driving motor 24 is in transmission connection with one end of the first lead screw 27 through a coupling. Wherein, first lead screw nut 25 is connected with the diapire of L shape fixing base.
In an alternative embodiment, as shown in fig. 1, 2, 3 and 4, the rotating assembly 3 includes a first mounting seat, a second fixing seat 33 and a second driving member, the first mounting seat has a first side surface and a second side surface opposite to each other, the housing 1 is mounted on the first side surface, the second side surface is provided with a first arc guiding portion, the second fixing seat 33 is provided with a first arc guiding groove, the first arc guiding portion is slidably mounted in the first arc guiding groove, and the second driving member is mounted on the second fixing seat 33 and is in transmission connection with the first mounting seat.
Specifically, the second fixing seat 33 has a first installation surface and a second installation surface opposite to each other, the first installation surface is connected to the side wall of the L-shaped fixing seat, the second installation surface is provided with a first arc guide groove, and under the driving of the second driving piece, the first arc guide part can move along the first arc guide groove, so that the intra-cardiac ultrasonic catheter handle 7 can rotate along the central axis of the intra-cardiac ultrasonic catheter handle, wherein the first arc guide groove can be a semi-annular guide groove, and the first arc guide part can be a semi-annular guide part.
In practical application, as shown in fig. 1,2, 3 and 4, the first mounting seat includes a first incomplete worm wheel 31 and a first semi-annular guide rail 32, the first semi-annular guide rail 32 forms a first arc-shaped guide portion, the second fixing seat 33 is provided with a plurality of first rollers 34, and the plurality of first rollers 34 are arranged side by side to form two rows of roller groups, and a first arc-shaped guide groove is formed between the roller groups.
Specifically, four first rollers 34 are disposed on the second mounting surface of the second fixing seat 33, so each row of roller sets includes two first rollers 34, the four first rollers 34 form a semi-annular guide groove, and the first semi-annular guide rail 32 is slidably mounted in the semi-annular guide groove.
Illustratively, in order to improve the movement stability of the first semi-circular guide rail 32 in the semi-circular guide groove, each first roller 34 is formed with a V-shaped recess, and correspondingly, a V-shaped protrusion is formed on the contact surface of the first semi-circular guide rail 32 with the first roller 34.
It should be noted that the side of the first partial worm wheel 31 facing away from the first semi-circular rail 32 is fixedly connected to the housing 1 by means of a spacer 37, wherein the shape of the spacer 37 is adapted to the shape of the first partial worm wheel 31.
The second drive comprises a first worm 36 and a second drive motor 35, the second drive motor 35 being in driving connection with the first worm 36, the first worm 36 being in meshed connection with the first partial worm wheel 31.
Specifically, the second fixing seat 33 includes a roller mounting plate and a worm mounting seat, the worm mounting seat is provided with a mounting hole, two ends of the first worm 36 are mounted in the corresponding mounting holes through bearings, four first rollers 34 are rotatably mounted on the roller mounting plate, under the condition that the first semi-annular guide rail 32 is slidably mounted in the semi-annular guide groove, the first incomplete worm wheel 31 can be engaged with the first worm 36, under the driving of the second driving motor 35, the first worm 36 rotates, under the driving of the first worm 36, the first incomplete worm wheel 31 can rotate in the plane where the roller mounting plate is located.
In an alternative embodiment, as shown in fig. 1, 5 and 6, the first clamping and rotating assembly 4 and the second clamping and rotating assembly 5 have the same structure, and the first clamping and rotating assembly 4 will be described as an example.
The first clamping and rotating assembly 4 comprises a clamping assembly, a second mounting seat, a third fixing seat 413 and a third driving piece, wherein the second mounting seat is provided with a third side face and a fourth side face which are opposite, the clamping assembly is mounted on the third side face, the fourth side face is provided with a second arc-shaped guide part, the third fixing seat 413 is provided with a second arc-shaped guide groove, the second arc-shaped guide part is slidably mounted in the second arc-shaped guide groove, and the third driving piece is mounted on the third fixing seat 413 and is in transmission connection with the second mounting seat, wherein an adjustable clamping space is formed in the clamping assembly.
The bottom wall of the third fixing seat 413 is fixed on the inner wall of the accommodating space 11, the second arc guiding groove may be a semi-annular guiding groove, and the second arc guiding portion may be a semi-annular guiding portion.
It should be noted that, the size of the clamping space is adjusted so that the clamping space is matched with the first rotating portion 71, and thus, the clamping assembly can clamp the first rotating portion 71. The second mounting seat can rotate under the driving of the third driving piece, so that the clamping assembly positioned on the second mounting seat can drive the first rotating part 71 to rotate, and the left-right bending of the front end 74 is realized.
In practical applications, as shown in fig. 1, 5 and 6, the second mounting seat includes a second incomplete worm wheel 401 and a second semi-annular guide rail 402, the second semi-annular guide rail 402 forms a second arc-shaped guide portion, a plurality of second rollers 414 are disposed on a third fixing seat 413, and the plurality of second rollers 414 are disposed side by side to form two rows of roller groups, and a second arc-shaped guide groove is formed between the roller groups.
Specifically, four second rollers 414 are disposed on the third fixing seat 413, so each row of roller sets includes two second rollers 414, the four second rollers 414 form a semi-annular guiding groove, and the second semi-annular guide rail 402 is slidably mounted in the semi-annular guiding groove.
Illustratively, in order to improve the movement stability of the second semi-annular guide rail 402 in the semi-annular guide groove, each second roller 414 is formed with a V-shaped recess, and correspondingly, a V-shaped protrusion is formed on the contact surface of the second semi-annular guide rail 402 with the second roller 414.
The third drive comprises a second worm 403 and a third drive motor 404, the third drive motor 404 being in driving connection with the second worm 403, the second worm 403 being in meshed connection with the second incomplete worm wheel 401.
Specifically, the third fixing seat 413 includes a roller mounting plate and a worm mounting seat, the worm mounting seat is provided with a mounting hole, two ends of the second worm 403 are mounted in corresponding mounting holes through bearings, four second rollers 414 are rotatably mounted on the roller mounting plate, under the condition that the second semi-annular guide rail 402 is slidably mounted in the semi-annular guide groove, the second incomplete worm wheel 401 can be engaged with the second worm 403 to be connected, under the driving of the third driving motor 404, the second worm 403 rotates, under the driving of the second worm 403, the second incomplete worm wheel 401 can rotate in the plane where the roller mounting plate is located. Wherein the worm mount is fixed to the inner wall of the accommodation space 11.
In practical applications, as shown in fig. 1, 5 and 6, the clamping assembly comprises a first clamping jaw 410, a second clamping jaw 411, a first pull rod 408, a second pull rod 409, a second lead screw 406, a second lead screw nut 407 and a fourth driving motor 405, wherein the fourth driving motor 405 is in transmission connection with the second lead screw 406, the second lead screw nut 407 is connected with the second lead screw 406, the first clamping jaw 410 and the second clamping jaw 411 are both in rotational connection with one side of the second incomplete worm gear 401, which is away from the second semi-annular guide rail 402, one end of the first pull rod 408 is in rotational connection with the first clamping jaw 410, the other end of the first pull rod 408 is in rotational connection with the second lead screw nut 407, one end of the second pull rod 409 is in rotational connection with the second clamping jaw 411, and the other end of the second pull rod 409 is in rotational connection with the second lead screw nut 407.
Specifically, the clamping assembly is mounted on one side of the second incomplete worm gear 401, which faces away from the second semi-annular guide rail 402, the fourth driving motor 405 is mounted on the second incomplete worm gear 401 through a motor mounting seat 415, a bearing seat 412 is further mounted on the second incomplete worm gear 401, an output shaft of the fourth driving motor 405 is mounted on the bearing seat 412 through a bearing, an output shaft of the fourth driving motor 405 is in transmission connection with a second lead screw 406, a second lead screw nut 407 is connected to the second lead screw 406, a first lug plate and a second lug plate are arranged on the second lead screw nut 407, one end of the first pull rod 408 is rotationally connected to the first clamping jaw 410, the other end of the first pull rod 408 is rotationally connected to the first lug plate, one end of the first pull rod is rotationally connected to the second clamping jaw 411, and the other end of the second pull rod 409 is rotationally connected to the second lug plate. Wherein the second screw 406 and the second worm 403 are vertically arranged, and the first clamping jaw 410 and the second clamping jaw 411 are symmetrically arranged with respect to the second screw 406.
In practical application, the connection point of the first clamping jaw 410 and the second incomplete worm wheel 401 is close to the inner side edge of the second incomplete worm wheel 401, the connection point of the second clamping jaw 411 and the second incomplete worm wheel 401 is close to the inner side edge of the second incomplete worm wheel 401, and the first clamping jaw 410 and the second clamping jaw 411 are formed with a clamping space adapted to the first rotating portion 71.
In an alternative embodiment, as shown in fig. 1,2 and 3, the housing space 11 includes a first chamber 111 and a second chamber 112, the first clamping and rotating assembly 4 and the second clamping and rotating assembly 5 are disposed in the first chamber 111, the hand-held portion 73 of the intra-cardiac ultrasound catheter handle 7 is disposed in the second chamber 112, the first opening 12 communicates with the second chamber 112, the housing 1 is provided with a first cover 14 corresponding to the first chamber 111, and a second cover 15 corresponding to the second chamber 112.
Specifically, in order to facilitate the installation of the intracardiac ultrasound catheter handle 7 into the housing 1, the housing 1 is provided with a first installation opening at the first chamber 111, the first cover 14 is installed at the first installation opening for closing or opening the first installation opening, the housing 1 is provided with a second installation opening at the second chamber 112, and the second cover 15 is installed at the second installation opening for closing or opening the second installation opening. Wherein the first incomplete worm wheel 31 is mounted on the housing 1 at a step surface corresponding to the first chamber 111. Illustratively, the first cover 14 and the second cover 15 may each be provided with a handle 16.
In addition, in order to improve the stability of the intra-cardiac ultrasonic catheter handle 7, the second chamber 112 is internally fixed with the second supporting seat 18, the second cover 15 is internally fixed with the first supporting seat 17, and the area enclosed by the first supporting seat 17 and the second supporting seat 18 is adapted to the shape and the size of the hand-holding part 73 of the intra-cardiac ultrasonic catheter handle 7.
The housing 1 is further provided with a second opening 13 communicated with the accommodating space 11, the rear end of the intra-cardiac ultrasonic catheter handle 7 is arranged in the second opening 13 in a penetrating manner, and the rear end of the intra-cardiac ultrasonic catheter handle 7 is connected with a catheter 75. To facilitate delivery of the catheter 75, in an alternative embodiment, as shown in fig. 1, 3 and 7, the intracardiac ultrasound catheter handle operation device further comprises a catheter delivery assembly 6, the catheter delivery assembly 6 comprising a mounting frame 61, a drive wheel 65, an eccentric 64, a fifth drive motor 62 and a sixth drive motor 63.
The fifth driving motor 62 and the sixth driving motor 63 are arranged on the mounting frame 61 side by side, the fifth driving motor 62 is connected with the driving wheel 65 in a transmission way, the sixth driving motor 63 is connected with the eccentric wheel 64 in a transmission way, and the catheter 75 connected with the intra-cardiac ultrasonic catheter handle 7 is arranged between the driving wheel 65 and the eccentric wheel 64 in a penetrating way.
Specifically, the mounting bracket 61 is L-shaped structure, the long limit of mounting bracket 61 is connected in the head end of bottom plate 21, the minor face and the bottom plate 21 parallel arrangement of mounting bracket 61, fifth driving motor 62 passes through second ring flange 69 to be connected in the minor face of mounting bracket 61, second connecting axle 67 wears to adorn in the minor face of mounting bracket 61 and is connected with the output shaft transmission of fifth driving motor 62, second connecting axle 67 is connected with action wheel 65, sixth driving motor 63 passes through first ring flange 68 to be connected in the minor face of mounting bracket 61, first connecting axle 66 wears to adorn in the minor face of mounting bracket 61 and is connected with the output shaft transmission of sixth driving motor 63, first connecting axle 66 is connected with eccentric wheel 64.
In practical application, the eccentric wheel 64 can rotate relative to the driving wheel 65 under the driving of the sixth driving motor 63, so that the gap between the driving wheel 65 and the eccentric wheel 64 can be adjusted to adapt to the size of the conduit 75, and the clamping and the unclamping of the conduit 75 can be realized. The feeding of the guide tube 75 can be achieved by the driving of the fifth driving motor 62.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.
Claims (7)
1. An intracardiac ultrasonic catheter handle operating device is characterized by comprising a shell, a rotating assembly, a linear moving assembly, a first clamping rotating assembly and a second clamping rotating assembly;
The casing is provided with a storage space, the casing is also provided with a first opening communicated with the storage space, the intra-cardiac ultrasonic catheter handle is suitable for being fixed in the storage space, and the front end of the intra-cardiac ultrasonic catheter handle leaks out of the casing through the first opening; the first clamping rotating assembly and the second clamping rotating assembly are both arranged in the containing space and respectively correspond to two rotating parts of the intra-cardiac ultrasonic catheter handle, the first clamping rotating assembly and the second clamping rotating assembly are both configured to clamp and rotate the corresponding rotating parts, the first rotating parts are used for adjusting left and right bending of the front end, and the second rotating parts are used for adjusting up and down bending of the front end;
The first clamping and rotating assembly and the second clamping and rotating assembly have the same structure, and each clamping and rotating assembly in the first clamping and rotating assembly and the second clamping and rotating assembly comprises a clamping assembly, a second mounting seat, a third fixing seat and a third driving piece;
The second mounting seat is provided with a third side surface and a fourth side surface which are opposite, the clamping assembly is mounted on the third side surface, the fourth side surface is provided with a second arc-shaped guide part, the third fixing seat is provided with a second arc-shaped guide groove, the second arc-shaped guide part is slidably mounted in the second arc-shaped guide groove, and the third driving piece is mounted on the third fixing seat and is in transmission connection with the second mounting seat;
The second mounting seat comprises a second incomplete worm wheel and a second semi-annular guide rail, and the second semi-annular guide rail forms the second arc-shaped guide part;
The third driving piece comprises a second worm and a third driving motor, the third driving motor is in transmission connection with the second worm, and the second worm is in meshed connection with the second incomplete worm gear;
The clamping assembly comprises a first clamping jaw, a second clamping jaw, a first pull rod, a second lead screw nut and a fourth driving motor;
The fourth driving motor is in transmission connection with the second lead screw, the second lead screw nut is in connection with the second lead screw, first clamping jaw and second clamping jaw all rotate connect in the second incomplete worm wheel deviates from one side of second semi-annular guide rail, the one end of first pull rod rotate connect in first clamping jaw, the other end of first pull rod rotate connect in the second lead screw nut, the one end of second pull rod rotate connect in the second clamping jaw, the other end of second pull rod rotate connect in the second lead screw nut.
2. The device of claim 1, wherein the linear movement assembly comprises a base plate, a guide rail, a slider, a first fixed seat, and a first driving member, the guide rail is mounted on the base plate, the first fixed seat is slidably engaged with the guide rail via the slider, the first driving member is mounted on the base plate and configured to drive the first fixed seat to move relative to the base plate, and the rotating assembly is mounted on the first fixed seat.
3. The intracardiac ultrasound catheter handle operation device according to claim 2, wherein the first driving member comprises a first screw, a first screw nut, and a first driving motor, the first driving motor is in driving connection with the first screw, and the first fixing base is connected with the first screw through the first screw nut.
4. The device of claim 1, wherein the rotating assembly comprises a first mount having opposing first and second sides, the housing being mounted to the first side, the second side being provided with a first arcuate guide, the second mount being provided with a first arcuate guide slot, the first arcuate guide being slidably mounted within the first arcuate guide slot, and a second drive mounted to the second mount and in driving communication with the first mount.
5. The intracardiac ultrasound catheter handle operation device according to claim 4, wherein said first mount comprises a first incomplete worm gear and a first semi-circular rail, said first semi-circular rail forming said first arcuate guide;
The second driving piece comprises a first worm and a second driving motor, the second driving motor is in transmission connection with the first worm, and the first worm is in meshed connection with the first incomplete worm gear.
6. The device of claim 4, wherein a plurality of first rollers are disposed on the second holder, and the plurality of first rollers are disposed side by side to form two rows of roller sets, and the first arcuate guide slot is formed between the roller sets.
7. The apparatus according to claim 1, wherein the housing space includes a first chamber and a second chamber, the first clamp rotating assembly and the second clamp rotating assembly are provided to the first chamber, the hand-held portion of the intra-cardiac ultrasonic catheter handle is provided to the second chamber, the first opening communicates with the second chamber, the housing is provided with a first cover corresponding to the first chamber, and a second cover corresponding to the second chamber,
The intracardiac ultrasonic catheter handle operation device further comprises a catheter delivery assembly, wherein the catheter delivery assembly comprises a mounting frame, a driving wheel, an eccentric wheel, a fifth driving motor and a sixth driving motor;
the device comprises a mounting rack, a fifth driving motor, a sixth driving motor, an eccentric wheel, a guide tube, an intracardiac ultrasonic guide tube handle and a heart ultrasonic guide tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510086736.3A CN119949887B (en) | 2025-01-20 | 2025-01-20 | Intracardiac ultrasound catheter handle operating device |
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| CN202510086736.3A CN119949887B (en) | 2025-01-20 | 2025-01-20 | Intracardiac ultrasound catheter handle operating device |
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| CN119949887B true CN119949887B (en) | 2026-01-06 |
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| CN103157170A (en) * | 2013-02-25 | 2013-06-19 | 中国科学院自动化研究所 | Blood vessel interventional operation conduit or guide wire control device based on two-point clamping |
| CN110584760A (en) * | 2019-09-27 | 2019-12-20 | 新乡医学院第一附属医院(河南省结核病医院) | Nail locking device for fracture reduction |
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| US8858495B2 (en) * | 2004-12-28 | 2014-10-14 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Five degree of freedom ultrasound catheter and catheter control handle |
| US9114252B2 (en) * | 2005-12-02 | 2015-08-25 | University Of Rochester | Image-guided therapy delivery and diagnostic needle system |
| US10010350B2 (en) * | 2016-06-14 | 2018-07-03 | Stryker European Holdings I, Llc | Gear mechanisms for fixation frame struts |
| CN113086859B (en) * | 2021-04-13 | 2023-04-11 | 德州学院 | Multifunctional suspension device for mechanical engineering |
| CN221903747U (en) * | 2023-12-29 | 2024-10-29 | 深圳市赛禾医疗技术有限公司 | Catheter bending operation device and heart ultrasonic imaging system |
| CN119185742B (en) * | 2024-11-28 | 2025-04-29 | 北京中科鸿泰医疗科技有限公司 | Coaxial interventional instrument delivery system and delivery method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157170A (en) * | 2013-02-25 | 2013-06-19 | 中国科学院自动化研究所 | Blood vessel interventional operation conduit or guide wire control device based on two-point clamping |
| CN110584760A (en) * | 2019-09-27 | 2019-12-20 | 新乡医学院第一附属医院(河南省结核病医院) | Nail locking device for fracture reduction |
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