CN117731418A - Adjustable fixed bolster - Google Patents
Adjustable fixed bolster Download PDFInfo
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- CN117731418A CN117731418A CN202410190587.0A CN202410190587A CN117731418A CN 117731418 A CN117731418 A CN 117731418A CN 202410190587 A CN202410190587 A CN 202410190587A CN 117731418 A CN117731418 A CN 117731418A
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- fixing
- instrument
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000002513 implantation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000007943 implant Substances 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003709 heart valve Anatomy 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000013152 interventional procedure Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000004115 mitral valve Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000000591 tricuspid valve Anatomy 0.000 description 1
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Abstract
The application provides an adjustable fixing support, which comprises at least one instrument fixing assembly, a first screw rod and a screw rod fixing seat, wherein the instrument fixing assembly comprises a clamping body and a first adjusting hand wheel, one end of the clamping body is provided with an installation position, the other end of the clamping body is provided with the first adjusting hand wheel, and the clamping body and the first adjusting hand wheel are sleeved on the first screw rod; the first screw is provided with at least one through groove along the axis direction of the first screw, the clamping body sleeved on the first screw and the screw fixing seat are provided with guide pieces matched with the through groove, and the instrument fixing assembly can move along the axis direction of the first screw without relative rotation through the matching of the guide pieces and the through groove; and the first adjusting hand wheel and the second adjusting hand wheel are rotated, so that the instrument fixing assembly and the first screw rod move along the axis direction of the screw rod.
Description
Technical Field
The invention belongs to the technical field of human heart implantation medical instruments, and particularly relates to an adjustable fixing bracket of a human heart implantation instrument.
Background
The human heart implantation instrument is guided by a catheter, the implant component is conveyed to a target tissue position of the human heart by a conveying system, and then the conveying system is used for controlling the implant component to act so as to achieve the purpose of operation. The delivery of the implant component to the heart site and motion control is performed by the distal handle, and thus the posture adjustment and fixation of the instrument handle itself can affect the stability of the surgical procedure. The existing support has the problems of complex structure, insensitivity in adjustment, looseness after locking and fixing and the like. There is a need for an insertion instrument holder that is sensitive to adjustment and reliable to fix.
The prior art CN202211341230.5 discloses a fixing bracket for assisting an interventional medical device, when the fixing bracket is used for adjusting the position of a handle, a knob is required to be screwed to unlock the fixing position, then a fixing seat is manually adjusted to a target position, and the knob is required to be screwed again for fixing; the adjustment of part of the joints also needs to be screwed twice, namely the joints are unlocked firstly, then the corresponding rods are adjusted to the ideal height or angle, the joints are locked, the adjustment process is complex, the operation difficulty is high, and when the multi-joint unlocking is carried out simultaneously, a plurality of operators are required to operate; meanwhile, during corresponding interventional therapy, synchronous movement of a plurality of devices is required, such as simultaneous movement of a catheter sheath handle and a delivery sheath handle, a guide rail in the device in the document is a fixing device relative to a bracket, the catheter sheath handle and the delivery sheath handle of the device fixed on the guide rail can only be adjusted independently, in some special adjustment, the catheter sheath handle and the delivery sheath handle are required to move along the length direction of the guide rail, the device is required to unlock two joints 202 and 203 of a fixed guide rail, then the relative position and angle of a regulating rod 204 are adjusted, the joints are locked, the adjustment process is complex, the number of adjustment steps is large, and the adjusted guide rail is not easy to keep in the length direction of the original guide rail; in addition, the fixing support has more parts and high manufacturing cost. Therefore, a fixed bracket which is convenient to adjust, simple to operate and low in cost is needed.
Disclosure of Invention
The adjustable fixing support for the human heart implantation instrument can be applied to a heart valve prosthesis and is convenient to operate and low in cost to achieve posture adjustment and fixation.
The embodiment of the application provides an adjustable fixing support which is used for heart valve repair operation and used for fixing auxiliary interventional medical equipment so as to perform an interventional operation mode of a transcervical access or a transfemoral access; comprises at least one instrument fixing component, a first screw and a screw fixing seat, wherein the instrument fixing component generally comprises a delivery sheath handle and a catheter sheath handle when an interventional operation is performed, and two instrument fixing components can be arranged for clamping and fixing the delivery sheath handle and the catheter sheath handle; the instrument fixing assembly comprises a clamping body and a first adjusting hand wheel, wherein one end of the clamping body is provided with an installation position, and the auxiliary interventional medical instrument can be arranged on the installation position and clamped and fixed; the other end of the clamping body is provided with the first adjusting hand wheel, and the clamping body and the first adjusting hand wheel are sleeved on the first screw rod; the screw rod fixing seat accommodates a second adjusting hand wheel, and the screw rod fixing seat and the second adjusting hand wheel are sleeved on the first screw rod; the first screw is provided with at least one through groove along the axis direction of the first screw, the clamping body sleeved on the first screw and the screw fixing seat are provided with guide pieces matched with the through groove, and the instrument fixing assembly can move along the axis direction of the first screw without relative rotation through the matching of the guide pieces and the through groove; the inner circumferences of the first adjusting hand wheel and the second adjusting hand wheel are respectively provided with an internal thread matched with the first screw rod, the first adjusting hand wheel is rotated to enable the instrument fixing assembly to move along the axis direction of the screw rod, so that the position movement of a single auxiliary interventional medical instrument is realized, the movement is stepless adjustment in matched connection with the threads, and the movement of any distance position can be realized; through rotating the second adjusting hand wheel, the first screw rod moves along the axis direction of the first screw rod, and the integral movement of a plurality of auxiliary intervention medical instruments can be realized, so that the positions of the auxiliary intervention medical instruments are integrally adjusted, and the steps of adjusting the single instrument fixing assemblies respectively are reduced.
In a preferred embodiment, when the interventional operation treatment is started, the second adjusting hand wheel is rotated to adjust the threaded movement, the medical instrument is integrally moved to a reasonable position, then the first adjusting hand wheel is rotated to finely adjust the position corresponding to the single medical instrument, through the adjusting mode, the integral position adjustment is firstly carried out, the adjusting efficiency of the medical instrument is improved, the relative position of each medical instrument is not changed during the integral adjustment, the adjusting operation amount of the single adjusting medical instrument is reduced, and the position of the single medical instrument is finely adjusted, so that the specific position adjustment of the medical instrument is realized.
In a preferred embodiment, when a transfemoral intervention operation mode is required, the adjustable fixing support further comprises a support base, the screw fixing base is rotatably connected to the support base, and in other connection modes, the screw fixing base is fixedly connected to the support base through screws, and the support base is fixed on a supporting platform of an operating table; by rotating the first adjusting hand wheel and the second adjusting hand wheel, the auxiliary medical instrument can be quickly moved to the target position.
Preferably, when the transcervical intervention operation is performed, the adjustable fixing support further comprises a second screw, one end of the second screw is fixedly connected with the screw fixing seat, for example, the second screw is fixedly connected to the bottom of the screw fixing seat through an inner hexagon screw, or is integrally formed or is connected in a welding manner, the other end of the second screw is connected with a horizontal fixing seat, a third adjusting hand wheel is accommodated in the horizontal fixing seat, and the horizontal fixing seat and the third adjusting hand wheel are both sleeved on the second screw; the second screw is provided with at least one through groove, the horizontal fixing seat is provided with a guide piece matched with the through groove of the second screw, the third adjusting hand wheel is in threaded connection with the second screw, and the third adjusting hand wheel is rotated, so that the second screw and the screw fixing seat move along the axis of the second screw, and the position adjustment of auxiliary interventional medical equipment along the axis of the second screw is realized.
Preferably, the adjustable fixing support further comprises a third screw, one end of the third screw is fixedly connected with the horizontal fixing base in the vertical direction, for example, the third screw is fixedly connected to the bottom of the horizontal fixing base through an inner hexagon screw, or integrally formed, or connected through a welding mode, the other end of the third screw is connected with the operating table fixing base, the third screw is provided with at least one through groove, the operating table fixing base is provided with a through hole, the operating table fixing base is provided with a guide piece, and when the third screw is inserted into the through hole, the guide piece is matched with the through groove of the third screw to prevent the third screw from rotating. The operating table fixing seat is fixed on the operating table through screws or jackscrews.
Preferably, the axes of the first screw, the second screw and the third screw are perpendicular to each other, the third screw is perpendicular to the plane of the operating table, in the invention, the axis of the third screw is formed into a Z axis for adjusting the height of the auxiliary intervention medical instrument, the axis of the second screw is formed into a Y axis for adjusting the position of the auxiliary intervention medical instrument along the Y axis, the axis of the first screw is formed into an X axis for adjusting the position of the auxiliary intervention medical instrument along the X axis, and through the adjustment of the three axes, the arbitrary adjustment of the auxiliary intervention medical instrument in the spatial position can be realized, thereby meeting the adjustment requirements of different types of operation modes. It will be appreciated that the axes of the first, second and third screws may not be perpendicular to each other, e.g., the axes of the first and second screws, second and third screws may have other angular relationships other than right angles, such as acute or obtuse angles, and positional adjustment of the medical device in space may also be achieved.
In a preferred embodiment, the number of through grooves arranged on the first screw, the second screw and the third screw is at least one, such as two, the two through grooves are symmetrically arranged relative to the axis, the number of the guide parts of the clamping body and the screw fixing seat is equal to that of the through grooves, the clamping of the screw or the instrument fixing assembly during moving can be prevented by matching the guide parts with the through grooves, and generally under the condition that one guide part is matched with one through groove, the side surface of the first adjusting hand wheel or the second adjusting hand wheel is contacted with the instrument fixing assembly due to the rotation of the first adjusting hand wheel or the second adjusting hand wheel, so that the torque around the axis is generated on the instrument fixing assembly/the corresponding fixing seat, the friction force between the guide parts of the instrument assembly/the corresponding fixing seat is very easy to be excessively large, the guide parts can be uniformly stressed by the two symmetrically arranged through grooves, and the moving resistance of the guide parts is reduced; in other embodiments, three or more through slots are symmetrically arranged on the screw.
In a preferred embodiment, the clamping body is of a two-piece structure, which may be made of plastic or metal, preferably made of plastic and formed by injection molding, and includes a first portion and a second portion, which are fastened by screws to form the clamping body, and may be of a substantially symmetrical structure with respect to a bisecting plane of the clamping body (except for the screw connection position).
In a preferred embodiment, one end of the first portion and one end of the second portion are provided with mounting positions for medical devices, the mounting positions have a hole shape, the shape of the mounting positions is not limited to round holes, but can be square holes, triangular holes, star-shaped holes and other shapes which are beneficial to the fixation of the medical devices, the hole-shaped mounting positions have notches which facilitate the deformation and clamping of the medical devices when the medical devices are inserted into the mounting positions, and in a further proposal, the medical devices can be mounted in the mounting positions through the fastening screws.
Preferably, screw mounting portions are provided at the other ends of the first portion and the second portion, the screw mounting portions are in a circular ring structure, a certain distance is provided between the screw mounting portions of the first portion and the screw mounting portions of the second portion for mounting the first adjusting hand wheel, guide members are provided at the inner periphery of the screw mounting portions, the guide members are protrusions, the guide members are matched with through grooves of the screw, when the adjusting hand wheel moves along the axial direction of the screw relative to the screw, rotation of the screw is prevented, and the number of the guide members corresponds to the number of the through grooves; similarly, the screw fixing seat and the horizontal fixing seat penetrate through the first screw and the second screw and the instrument fixing assembly penetrate through the first screw.
The use method of the adjustable fixing support comprises the steps of firstly rotating a second adjusting hand wheel to adjust threaded movement to enable the medical instrument to integrally move to a reasonable position when interventional operation treatment is started, rotating a first adjusting hand wheel to finely adjust the position corresponding to a single medical instrument, firstly adjusting the position integrally in the adjusting mode, improving the adjusting efficiency of the medical instrument, ensuring that the relative position of each medical instrument is not changed during integral adjustment, reducing the adjusting operation amount of the single adjusting medical instrument, and finely adjusting the position of the single medical instrument to realize the specific position adjustment of the medical instrument.
According to the technical scheme, the adjustable fixing bracket realizes stepless adjustment of the medical device by adopting rotation of the adjusting hand wheel, does not need unlocking and locking, and improves the complicated adjustment process in the prior art; in the structure of the application, the position of the first screw can be adjusted by rotating the second adjusting hand wheel, so that the integral movement of the position of the medical instrument is realized, the adjusting efficiency of the medical instrument is improved, the relative position of each medical instrument is ensured not to change during integral adjustment, and the adjusting operation amount of the single adjusting medical instrument is reduced; through the structural arrangement of the three screws, the medical instrument can be adjusted at any position in space.
Drawings
FIG. 1 is a schematic view of the overall structure of an adjustable fixing bracket of the present invention;
FIG. 2 is a schematic representation of an adjustable fixation stent of the present invention via femoral interventional procedure;
FIG. 3 is a schematic view of an adjustable mounting bracket of the present invention attached to a support platform;
FIG. 4 is a schematic view of an adjustable stent of the present invention through a cervical intervention;
FIG. 5 is another view of the adjustable anchor stent of the present invention through the neck of an interventional procedure;
FIG. 6 is an exploded view of the adjustable anchor bracket of the present invention;
FIG. 7 is a structural view of the instrument holder assembly of the present invention;
FIG. 8 is a schematic view of the instrument of the present invention fixedly mounted to a first screw;
FIG. 9 is a schematic view of a surgical procedure in a transcervical state;
fig. 10 is a schematic view of the operation in a transfemoral state.
Reference numerals illustrate:
11-clamping body, 111-first part, 112-second part, 113-notch, 114-screw mounting part, 115-guide piece, 12-first regulating hand wheel, 2-first screw, 21-through slot, 3-screw fixing seat; 31-second adjusting handwheel, 41-bracket base, 42-operating table, 43-supporting platform, 5-second screw rod, 51-horizontal fixing seat, 52-third adjusting handwheel, 6-third screw rod, 61-fourth adjusting handwheel and 62-operating table fixing seat.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.
Certain embodiments of the present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments are shown. Indeed, various embodiments of the disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
The embodiment of the application provides an adjustable fixing support which is used for mitral valve and tricuspid valve repair operation and is used for fixing auxiliary interventional medical equipment so as to perform an interventional operation mode of transcervical access or transfemoral access; FIG. 1 is a schematic view of the overall structure of an adjustable fixing bracket of the present invention, including at least one instrument fixing component, a first screw 2 and a screw fixing base 3, for example, when an interventional operation is performed, the adjustable fixing bracket generally includes a delivery sheath handle and a catheter sheath handle, and two instrument fixing components can be provided to clamp and fix the delivery sheath handle and the catheter sheath handle; the instrument fixing assembly comprises a clamping body 11 and a first adjusting hand wheel 12, wherein one end of the clamping body 11 is provided with an installation position, and an auxiliary interventional medical instrument can be arranged on the installation position and clamped and fixed; the other end of the clamping body 11 is provided with the first adjusting hand wheel 12, and the clamping body 11 and the first adjusting hand wheel 12 are sleeved on the first screw rod 2; the screw fixing seat 3 accommodates a second adjusting hand wheel 31, and the screw fixing seat 3 and the second adjusting hand wheel 31 are both sleeved on the first screw 2; the first screw 2 is provided with at least one through groove 21 along the axial direction thereof, the clamping body 11 and the screw fixing seat 3 sleeved on the first screw 2 are provided with a guide piece 115 matched with the through groove 21, and the instrument fixing assembly can move along the axial direction of the first screw 2 without relative rotation through the matching of the guide piece 115 and the through groove 21; the inner circumferences of the first adjusting hand wheel 12 and the second adjusting hand wheel 31 are respectively provided with internal threads matched with the first screw rod 2, and the instrument fixing assembly moves along the axis direction of the screw rod by rotating the first adjusting hand wheel 12, so that the position movement of a single auxiliary intervention medical instrument is realized, the movement is stepless adjustment in matched connection with the threads, and the movement of any distance position can be realized; by rotating the second adjusting handwheel 31, the first screw 2 moves along the axial direction of the first screw, and the integral movement of a plurality of auxiliary interventional medical instruments can be realized, so that the positions of the auxiliary interventional medical instruments are adjusted, and the steps of adjusting the single instrument fixing assemblies respectively are reduced.
In a preferred embodiment, when the interventional operation treatment is started, the second adjusting hand wheel 31 is rotated to adjust the screw movement, the medical instrument is integrally moved to a reasonable position, then the first adjusting hand wheel 12 is rotated to finely adjust the position corresponding to the single medical instrument, through the adjusting mode, the integral position adjustment is firstly performed, the adjusting efficiency of the medical instrument is improved, the relative position of each medical instrument is not changed during the integral adjustment, the adjusting operation amount of the single adjusting medical instrument is reduced, and the position of the single medical instrument is finely adjusted, so that the specific position adjustment of the medical instrument is realized.
In a preferred embodiment, as shown in fig. 10, when a transfemoral intervention procedure is required, the adjustable fixing support further comprises a support base, as shown in fig. 2, the screw fixing base 3 is rotatably connected to the support base 41, in other connection modes, the screw fixing base 3 is fixedly connected to the support base 41 through screws, fig. 3 is a schematic view of the adjustable fixing support of the present invention connected to a support platform 43, and the support base 41 is fixed on the support platform 43 of the operating table 42; by rotating the first and second adjustment handwheels 12, 31, the auxiliary medical instrument can be quickly moved to the target position.
Preferably, as in fig. 9, when performing the transcervical intervention, fig. 4 is a schematic diagram of the transcervical intervention of the adjustable fixing support of the present invention, where the adjustable fixing support further includes a second screw rod 5, one end of the second screw rod 5 is fixedly connected to the screw rod fixing seat 3, for example, the second screw rod 5 is fixedly connected to the bottom of the screw rod fixing seat 3 by an internal hexagonal screw, or is integrally formed, or is connected by welding, and the other end is connected to a horizontal fixing seat 51, where the horizontal fixing seat 51 accommodates a third adjusting hand wheel 52, and the horizontal fixing seat 51 and the third adjusting hand wheel 52 are both sleeved on the second screw rod 5; the second screw 5 is provided with at least one through groove 21, the horizontal fixing seat 51 is provided with a guide piece 115 matched with the through groove 21 of the second screw 5, the third adjusting hand wheel 52 is in threaded connection with the second screw 5, and the third adjusting hand wheel 52 is rotated, so that the second screw 5 and the screw fixing seat 3 move along the axis thereof, and the position adjustment of the auxiliary intervention medical instrument along the axis of the second screw 5 is realized.
Preferably, the adjustable fixing support further includes a third screw rod 6, one end of the third screw rod 6 is fixedly connected with the horizontal fixing base 51 in a vertical direction, for example, the third screw rod 6 is fixedly connected with the bottom of the horizontal fixing base 51 through an inner hexagon screw, such as an exploded structure view of the adjustable fixing support in fig. 6, or is integrally formed, or is connected through a welding mode, the other end of the third screw rod 6 is connected with an operating table fixing base 62, the third screw rod 6 is provided with at least one through groove 21, the operating table fixing base 62 is provided with a through hole, the operating table fixing base 62 is provided with a guide member 115, when the third screw rod 6 is inserted into the through hole, the guide member 115 is matched with the through groove 21 of the third screw rod 6 to prevent the third screw rod 6 from rotating, a fourth adjusting hand wheel 61 in threaded connection is sleeved on the third screw rod 6, the fourth adjusting hand wheel 61 is arranged outside the top of the operating table fixing base 62, and the fourth adjusting hand wheel 61 abuts against the upper surface of the operating table fixing base 62 by means of the gravity of the upper part of the adjustable fixing support. In other aspects, the surgical strip holder is secured to the operating table 42 by screws or jackscrews.
Preferably, the axes of the first screw 2, the second screw 5 and the third screw 6 are perpendicular to each other, as in the exploded structure view of the adjustable fixing support in fig. 6, the third screw 6 is perpendicular to the plane of the operating table 42, in the invention, the axis of the third screw 6 is formed into a Z-axis for adjusting the height of the auxiliary intervention medical instrument, the axis of the second screw 5 is formed into a Y-axis for adjusting the position of the auxiliary intervention medical instrument along the Y-axis, the axis of the first screw 2 is formed into an X-axis for adjusting the position of the auxiliary intervention medical instrument along the X-axis, and by adjusting the three axes, the optional adjustment of the auxiliary intervention medical instrument in the spatial position can be realized, thereby meeting the adjustment requirements of different types of surgical modes. It will be appreciated that the axes of the first screw 2, the second screw 5 and the third screw 6 may not be perpendicular to each other, for example, the axes of the first screw 2, the second screw 5 and the third screw 6 may have other angles other than right angles, such as acute angles or obtuse angles, and the position adjustment of the medical device in space may also be achieved.
In a preferred embodiment, the number of the through grooves 21 arranged on the first screw 2, the second screw 5 and the third screw 6 is two, and the two through grooves are symmetrically arranged relative to the axis, the clamping body 11 and the guide 115 of the screw fixing seat 3 are two, through the cooperation of the two guide 115 and the two through grooves 21, the screw or the instrument fixing assembly can be prevented from being blocked when moving, and under the condition that one guide 115 is matched with one through groove 21, the side surface of the first adjusting hand wheel 12 or the second adjusting hand wheel is contacted with the instrument fixing assembly due to the rotation of the first adjusting hand wheel 12 or the second adjusting hand wheel, so that the axial torque is generated on the instrument fixing assembly/the corresponding fixing seat, the excessive friction force between the guide 115 of the instrument assembly/the corresponding fixing seat and the through grooves 21 is easily caused, the guide 115 can be uniformly stressed through the two symmetrically arranged through grooves 21, and the moving resistance of the guide 115 can be reduced; in other embodiments, three or more through grooves 21 are symmetrically provided on the screw.
In a preferred embodiment, the clamping body 11 is a two-piece structure, fig. 7 is a structural view of the fixing assembly of the apparatus according to the present invention, the clamping body 11 may be made of plastic material or metal material, preferably plastic material, and is formed by injection molding, the clamping body 11 of the two-piece structure includes a first portion 111 and a second portion 112, the first portion 111 and the second portion 112 are fastened by screws to form the clamping body 11, and the first portion 111 and the second portion 112 may have a substantially symmetrical structure (except for screw connection positions) with respect to a center plane of the clamping body 11.
In a preferred embodiment, one end of the first portion 111 and the second portion 112 is provided with a mounting position of the medical device, the mounting position has a hole shape, the shape of the mounting position is not limited to a round hole, but may be a square hole, a triangular hole, a star-shaped hole, or the like, which is beneficial to the fixation of the medical device, the hole-shaped mounting position has a notch 113, which facilitates the deformation and clamping of the medical device when the medical device is inserted into the mounting position, and in a further aspect, the medical device may be further mounted in the mounting position by the fastening screw.
Preferably, screw mounting portions 114 are provided at the other ends of the first portion 111 and the second portion 112, the screw mounting portions 114 are in a ring structure, a certain distance is provided between the screw mounting portions 114 of the first portion 111 and the screw mounting portions 114 of the second portion 112 for mounting the first adjusting hand wheel 12, fig. 8 is a schematic view of the apparatus fixedly mounted on the first screw, the inner circumference of the screw mounting portions 114 is provided with guide members 115, the guide members 115 are protrusions, the guide members 115 are engaged with through grooves 21 of the screw, when the adjusting hand wheel moves along the axial direction of the screw, the screw is prevented from rotating, and the number of the guide members 115 is set corresponding to the number of the through grooves 21; similarly, the structures of the screw fixing seat 3 and the horizontal fixing seat 51 penetrating through the first screw 2 and the second screw 5 are the same as the structure of the instrument fixing assembly penetrating through the first screw 2.
The use method of the adjustable fixing support comprises the steps of firstly rotating the second adjusting hand wheel 31 to adjust threaded movement to enable the medical instrument to integrally move to a reasonable position when interventional operation treatment is started, then rotating the first adjusting hand wheel 12 to finely adjust the position corresponding to a single medical instrument, firstly carrying out integral position adjustment in the adjustment mode, improving the adjustment efficiency of the medical instrument, ensuring that the relative position of each medical instrument is not changed during integral adjustment, reducing the adjustment operation amount of the single adjusting medical instrument, and finely adjusting the position of the single medical instrument to realize the specific position adjustment of the medical instrument.
Claims (10)
1. An adjustable fixing support comprises at least one instrument fixing assembly, a first screw (2) and a screw fixing seat (3), and is characterized in that the instrument fixing assembly comprises a clamping body (11) and a first adjusting hand wheel (12), one end of the clamping body (11) is provided with an installation position, and a medical instrument can be arranged on the installation position and clamped and fixed; the other end of the clamping body (11) is provided with the first adjusting hand wheel (12), and the clamping body (11) and the first adjusting hand wheel (12) are sleeved on the first screw (2); the screw fixing seat (3) is provided with a second adjusting hand wheel (31) in a containing mode, and the screw fixing seat (3) and the second adjusting hand wheel (31) are sleeved on the first screw (2); the first screw (2) is provided with at least one through groove (21) along the axial direction of the first screw, the clamping body (11) and the screw fixing seat (3) sleeved on the first screw (2) are provided with guide pieces (115) matched with the through groove (21), and the instrument fixing assembly can move along the axial direction of the first screw (2) without relative rotation through the matching of the guide pieces (115) and the through groove (21); the inner circumferences of the first adjusting hand wheel (12) and the second adjusting hand wheel (31) are respectively provided with internal threads matched with the first screw rod (2), and the instrument fixing assembly moves along the axis direction of the screw rod by rotating the first adjusting hand wheel (12); by rotating the second adjusting hand wheel (31), the first screw (2) moves along the axial direction of the first screw.
2. The adjustable fixing bracket according to claim 1, wherein in installation and use, the second adjusting hand wheel (31) is rotated to move the first screw (2) at first, so that a plurality of instrument fixing assemblies sleeved on the first screw (2) move simultaneously; and then the first regulating hand wheel (12) is rotated to independently move the instrument fixing assembly.
3. Adjustable fixing bracket according to claim 1 or 2, further comprising a bracket base (41), wherein the screw fixing base (3) is rotatably or fixedly connected to the bracket base (41), wherein the bracket base (41) is placed on a supporting platform of an operating table (42); by rotating the first and second adjustment handwheels (12, 31), the auxiliary medical instrument can be quickly moved to the target position.
4. The adjustable fixing bracket according to claim 1 or 2, further comprising a second screw (5), wherein one end of the second screw (5) is fixedly connected with the screw fixing seat (3), the other end is connected with a horizontal fixing seat (51), the horizontal fixing seat (51) accommodates a third adjusting hand wheel (52), and the horizontal fixing seat (51) and the third adjusting hand wheel (52) are both sleeved on the second screw (5); the second screw (5) is provided with at least one through groove (21), the horizontal fixing seat (51) is provided with a guide piece (115) matched with the through groove (21) of the second screw (5), the third adjusting hand wheel (52) is in threaded fit with the second screw (5), and the third adjusting hand wheel (52) is rotated, so that the second screw (5) and the screw fixing seat (3) move along the axis of the second screw.
5. The adjustable fixing support according to claim 4, further comprising a third screw (6), wherein one end of the third screw (6) is fixedly connected with the horizontal fixing base (51) in the vertical direction, the other end of the third screw is connected with the operating table fixing base (62), the third screw (6) is provided with at least one through groove (21), the operating table fixing base (62) is provided with a through hole, the operating table fixing base (62) is provided with a guide piece (115), when the third screw (6) is inserted into the through hole, the guide piece (115) is matched with the through groove (21) of the third screw (6), and a fourth adjusting hand wheel (61) in threaded connection is sleeved on the third screw (6).
6. The adjustable mounting bracket of claim 5, wherein the fourth adjustment hand wheel (61) abuts against the upper surface of the table mount (62) by means of the weight of the upper portion of the adjustable mounting bracket.
7. The adjustable fixing bracket according to claim 5, wherein the axes of the first screw (2), the second screw (5) and the third screw (6) are perpendicular.
8. Adjustable mounting according to claim 5, characterized in that the number of through slots (21) provided on the first screw (2), and/or the second screw (5), and/or the third screw (6) is two.
9. Adjustable fixing bracket according to claim 1 or 2, characterized in that the clamping body (11) is of a two-piece construction, the clamping body (11) of which comprises a first part (111) and a second part (112); one end of the first part (111) and one end of the second part (112) are provided with mounting positions of medical instruments, the mounting positions are provided with hole shapes, and the hole-shaped mounting positions are provided with notches (113).
10. The adjustable mounting bracket of claim 9, wherein the other ends of the first portion (111) and the second portion (112) are provided with screw mounting portions (114), and a distance is provided between the screw mounting portions (114) of the first portion (111) and the screw mounting portions (114) of the second portion (112) for mounting the first adjustment hand wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN117731418B CN117731418B (en) | 2024-04-19 |
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| US20150148596A1 (en) * | 2012-05-20 | 2015-05-28 | Scalpal Llc | Surgical Instrument |
| US20190380808A1 (en) * | 2018-06-15 | 2019-12-19 | Giuseppe Marretti | Support, positioning and handling device for surgical equipment and instruments |
| US20230346499A1 (en) * | 2020-12-31 | 2023-11-02 | Hangzhou Valgen Medtech Co., Ltd. | Interventional instrument manipulation accessory and interventional medical system |
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| CN117159227A (en) * | 2023-08-18 | 2023-12-05 | 北京新尖科技有限公司 | Stabilizing device for assisting operation of conveying system |
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| CN117731418B (en) | 2024-04-19 |
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