CN113187783A

CN113187783A - Fixing device

Info

Publication number: CN113187783A
Application number: CN202110419490.9A
Authority: CN
Inventors: 王振飞; 崔枭; 李卓; 谢伟忠
Original assignee: Beijing Zhenshi Medical Technology Co ltd
Current assignee: Beijing Zhenshi Medical Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-07-30

Abstract

There is provided herein a fixation device comprising: the fixing frame is provided with M mounting parts for mounting the marker; and the N bottom feet are positioned on one side of the fixing frame and can be rotatably arranged on the fixing frame, the fixing frame is fixed on the supporting surface through the N bottom feet, and N is more than or equal to 3. The fixing device is used for correspondingly mounting the M markers on the M mounting parts one by one so as to ensure that the relative positions of the markers are unique; because N footing all rotationally installs on the mount, no matter the surface of CT is plane or curved surface like this, all can be through the angle of adjusting the footing respectively, make N footing laminate respectively and fix on N first relevant position on CT to realize M markers and the M second relevant position one-to-one on CT, solved these markers when the relevant position on CT is fixed, hardly guarantee the unique problem in relative position between these markers.

Description

Fixing device

Technical Field

The present disclosure relates to, but is not limited to, the field of medical devices, and more particularly, to a fastening device.

Background

Under the guidance of a CT (computed tomography) device, the equipment for minimally invasive surgery partially through an optical positioning system needs to fix a plurality of markers on the CT, and the markers are used for feeding back to the position of the CT of the optical positioning system so as to ensure that the puncture surgery is successfully performed, so that the relative positions of the markers are required to be unique.

However, the fixed position of these markers on the CT varies depending on the operating room environment. However, the surface of the CT is a plane, a curved surface, and the curvature of the curved surface is not determined, so that it is difficult to ensure that the relative positions of the markers are unique when the corresponding positions of the markers on the CT are fixed.

Disclosure of Invention

The embodiment of the invention provides a fixing device, which can solve the problem that when the corresponding positions of markers on a CT are fixed, the relative positions of the markers are difficult to ensure to be unique.

The fixing device provided by the embodiment of the invention comprises: the fixing frame is provided with M mounting parts for mounting the marker, and M is more than or equal to 3; and the N bottom feet are positioned on one side of the fixed frame and can be rotatably arranged on the fixed frame, the fixed frame is fixed on a supporting surface through the N bottom feet, and N is more than or equal to 3.

In an exemplary embodiment, N of the feet are circumferentially spaced apart.

In an exemplary embodiment, N is 3, and 3 of the feet are uniformly distributed along the circumferential direction.

In an exemplary embodiment, the mount includes the fixed plate that is provided with M installation department and N installation legs, and N one end of installation leg is connected to a side of fixed plate, and N footing one-to-one just rotationally installs at N the other end of installation leg, M the installation department is located another side of fixed plate.

In an exemplary embodiment, the footing comprises: a support plate; and the first hinged seat is fixed in the middle of one side face of the supporting plate, the other end of the mounting leg is provided with a second hinged seat, and the first hinged seat and the second hinged seat are hinged and connected through a hinged shaft.

In an exemplary embodiment, the axes of the N first hinge seats are parallel to the side surface of the fixing plate.

In an exemplary embodiment, the axes of N first hinge seats are located on a first plane and enclose an N-sided polygon.

In an exemplary embodiment, the N-sided polygon is an equilateral N-sided polygon.

In an exemplary embodiment, M of the mounting portions are located on the second plane and are non-collinearly arranged.

In an exemplary embodiment, the first plane is parallel to the second plane.

In an exemplary embodiment, the mounting legs are disposed obliquely outward from top to bottom.

In an exemplary embodiment, the fixing device further includes: and the M markers are positioned on the other side of the fixing frame and are arranged on the M mounting parts in a one-to-one correspondence mode, and M is more than or equal to 3.

In an exemplary embodiment, M is 4, the marker is a reflective ball, and 4 reflective balls are arranged at intervals along the circumferential direction of the fixing frame.

In an exemplary embodiment, the fixing frame is provided with M supporting arms, and the M mounting portions are located on the M supporting arms in a one-to-one correspondence manner.

In an exemplary embodiment, an adhesive layer is provided on the foot, by means of which the foot is fixed on the support surface.

According to the fixing device provided by the embodiment of the invention, M markers are correspondingly arranged on M mounting parts one by one, so that the relative positions of the markers are unique; because N footing all rotationally installs on the mount, no matter the surface of CT is plane or curved surface like this, all can be through the angle of adjusting the footing respectively, make N footing laminate respectively and fix on N first relevant position on CT to realize M markers and the M second relevant position one-to-one on CT, solved these markers when the relevant position on CT is fixed, hardly guarantee the unique problem in relative position between these markers.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic perspective view of a fixing device according to an embodiment of the present invention;

fig. 2 is a perspective view of the fixing device shown in fig. 1 from another perspective.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100 fixed mount, 110 mounting leg, 111 second hinged mount, 120 support arm, 200 tag, 300 foot, 310 support plate, 320 first hinged mount.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The fixing device provided by the embodiment of the invention, as shown in fig. 1 and fig. 2, comprises: the fixing frame 100, wherein M installing parts for installing the marker 200 are arranged on the fixing frame 100; and N feet 300 which are positioned below the fixed frame 100 and can be rotatably arranged on the fixed frame 100, wherein the fixed frame 100 is fixed on a supporting surface through the N feet 300, N is more than or equal to 3, and the supporting surface is the surface of the CT.

In the fixing device, M markers 200 are correspondingly arranged on M mounting parts one by one, so that the relative positions of the markers 200 are unique; furthermore, since the N feet 300 are rotatably mounted on the fixing frame 100, no matter the surface of the CT is a plane or a curved surface, the N feet 300 can be respectively attached and fixed to the N first corresponding positions on the CT by respectively adjusting the angles of the feet 300, so that the M markers 200 can be in one-to-one correspondence with the M second corresponding positions on the CT, and the problem that it is difficult to ensure that the relative positions of the markers 200 are unique when the corresponding positions of the markers 200 on the CT are fixed is solved.

Preferably, the N feet are all installed in a vertical rotating mode (namely, the axes of the N feet are all horizontally arranged), and the axes of the N feet are located on the first plane; in addition, M installation department is located the second plane and is not collinear setting, and the second plane sets up to be parallel to first plane.

As shown in FIG. 1 and FIG. 2, N is 3, and 3 feet 300 are spaced along the circumference of the fixing frame 100, so that the fixing device has better stability and does not shake after being installed (i.e., the triangle has stability, and the triangle is preferably a regular triangle).

Of course, N may be 4 or 5, etc., and the purpose of the present application can be achieved as long as the degree of freedom of the fixing device after the surface of the CT is fixed is "0", which does not depart from the design concept of the present invention and is not described herein again and shall also fall within the protection scope of the present application.

In an exemplary embodiment, as shown in fig. 1 and 2, the bottom surface of the fixing frame 100 is provided with N mounting legs 110, and N feet 300 are rotatably mounted at the lower ends of the N mounting legs 110 in a one-to-one correspondence, so that the fixing frame 100 is avoided from the surface of the CT, thereby better realizing that the N feet 300 are respectively attached and fixed at N first corresponding positions on the CT.

As shown in fig. 1 and 2, foot 300 may include: a support plate 310; the first hinge base 320 is fixed on one side surface of the support plate 310, the lower end of the mounting leg 110 is provided with the second hinge base 111, and the first hinge base 320 and the second hinge base 111 are hinged through a hinge shaft; or one of the first hinge seat and the second hinge seat is replaced by a ball seat, the other one of the first hinge seat and the second hinge seat is replaced by a ball head, and the rotatable installation of the bottom foot is realized through a ball hinge structure; the above objectives can be achieved without departing from the design concept of the present invention, and therefore, the details are not repeated herein and all of the objectives should fall within the protection scope of the present application.

Illustratively, as shown in fig. 1 and 2, the mounting legs 110 are disposed obliquely outward from top to bottom, that is, the upper ends of the plurality of mounting legs 110 are inwardly gathered, and the lower ends of the plurality of mounting legs 110 are outwardly diffused, so that the fixing device is more stable and stable after being installed.

In an exemplary embodiment, as shown in fig. 1 and 2, the fixing device further includes: m markers 200 are arranged above the fixing frame 100 and are correspondingly arranged on M mounting parts one by one, wherein M is more than or equal to 3. The fixing frame 100 may be provided with M supporting arms 120, and the M mounting portions are located at the ends of the M supporting arms 120 in a one-to-one correspondence. After the M markers 200 are fixed on the M mounting portions in a one-to-one correspondence, the centers of the M markers 200 may be located on the same plane.

It may be that, as shown in fig. 1 and 2, the M support arms 120 are arranged horizontally; alternatively, the M support arms 120 may be arranged obliquely; the above objectives can be achieved without departing from the design concept of the present invention, and therefore, the details are not repeated herein and all of the objectives should fall within the protection scope of the present application.

Illustratively, as shown in fig. 1 and 2, M is 4, the markers 200 are light-reflecting balls, 4 light-reflecting balls are arranged at intervals along the circumferential direction of the fixing frame 100, and the connecting lines of two sets of two opposite light-reflecting balls are perpendicularly intersected, so that the position of the optical positioning system CT can be better fed back through the X0Y coordinate system.

Of course, N may be 5 or 6, etc., and the purpose of the present application may also be achieved, and the purpose thereof does not depart from the design concept of the present invention, and therefore, it is not described herein again, and it also falls within the scope of the present application.

In an exemplary embodiment, as shown in fig. 1 and 2, the other side of the support plate 310 is provided with an adhesive layer (i.e., the first hinge base 320 is located on one side of the support plate 310 and the adhesive layer is located on the other side of the support plate 310), and the feet 300 are adhesively fixed on the surface of the CT by the adhesive layer, which may be provided as a double-sided adhesive layer.

The fixing frame 100, the mounting leg 110, the supporting arm 120 and the foot 300 may be made of plastic or metal, and the like, all of which can achieve the purpose of the present application.

In summary, in the fixing device provided in the embodiment of the present invention, the M markers are correspondingly mounted on the M mounting portions one by one, so as to ensure that the relative positions between the markers are unique; because N footing all rotationally installs on the mount, no matter the surface of CT is plane or curved surface like this, all can be through the angle of adjusting the footing respectively, make N footing laminate respectively and fix on N first relevant position on CT to realize M markers and the M second relevant position one-to-one on CT, solved these markers when the relevant position on CT is fixed, hardly guarantee the unique problem in relative position between these markers.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" structure ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to have specific orientations, are configured and operated in specific orientations, and thus, are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A fixation device, comprising:

the fixing frame is provided with M mounting parts for mounting the marker, and M is more than or equal to 3; and

the N feet are positioned on one side of the fixing frame and can be rotatably arranged on the fixing frame, the fixing frame is fixed on a supporting surface through the N feet, and N is more than or equal to 3.

2. The fixture according to claim 1, wherein N of said feet are circumferentially spaced.

3. The fixture according to claim 2, wherein N is 3, and 3 of the feet are circumferentially and uniformly arranged.

4. The fixing device according to any one of claims 1 to 3, wherein the fixing frame includes a fixing plate provided with M mounting portions and N mounting legs, one ends of the N mounting legs are connected to one side surface of the fixing plate, N feet are one-to-one corresponding to the N mounting legs and rotatably mounted at the other ends of the N mounting legs, and the M mounting portions are located at the other side surface of the fixing plate.

5. The fixture according to claim 4, wherein the foot comprises:

a support plate; and

the first articulated seat is fixed in the middle of one side of the supporting plate, the other end of the mounting leg is provided with a second articulated seat, and the first articulated seat is connected with the second articulated seat in a hinged mode through a hinged shaft.

6. The fixing device according to claim 5, wherein the axes of the N first hinge seats are parallel to the side surface of the fixing plate, and the axes of the N first hinge seats are located on the first plane and enclose an N-sided polygon.

7. The fixing device according to claim 4, wherein the fixing plate is further provided with M support arms, and M mounting portions are located on the M support arms in a one-to-one correspondence.

8. A fixation device as claimed in any one of claims 1 to 3, further comprising:

and the M markers are positioned on the other side of the fixing frame and are correspondingly arranged on the M mounting parts one by one.

9. A fixation device as claimed in claim 8, wherein M is 4, the markers are light-reflecting balls, and 4 of said light-reflecting balls are circumferentially spaced.

10. A fixation device as claimed in any one of claims 1 to 3, characterized in that an adhesive layer is provided on the foot, by means of which the foot is fixed to the support surface.