CN214632817U

CN214632817U - Vascularization fibula transplantation operation panel

Info

Publication number: CN214632817U
Application number: CN202022951925.8U
Authority: CN
Inventors: 刘剑楠; 陈晓军; 张陈平; 胡俊磊; 韩婧
Original assignee: Shanghai Jiaotong University; Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Shanghai Jiaotong University; Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-09
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a vascularization fibula transplantation operation panel, include: a support part for supporting other components of the operation table; the support part comprises a base; a plurality of stand columns are symmetrically arranged at two ends of the upper surface of the base; each pair of symmetrical upright posts are connected through a connecting part; the clamping part is arranged on the connecting part and used for clamping the fibula to perform fibula transplantation; and the force sensor is arranged on the supporting part and used for measuring the cutting force applied to the fibula. The utility model greatly reduces the unstable fibula clamping probability, saves manpower and improves the working quality of the fibula transplantation operation; the force sensor accurately measures the cutting force applied in the fibula transplanting process, so that the combined use of the operating table and the surgical robot is facilitated, and more efficient and accurate cutting is realized; the design of V type draw-in groove and universal ball pivot makes clamping device can adapt to the crookedness and the irregular appearance of fibula better, improves the steadiness of centre gripping.

Description

Vascularization fibula transplantation operation panel

Technical Field

The utility model relates to a fibula is transplanted jaw and is rebuild art fixing device, especially relates to a vascularization fibula transplantation operation panel.

Background

The mandible is a bony scaffold at the lower third of the face, is the only bone tissue with movement function at the same time, and the unique form of the mandible is the basis of individual morphological characteristics and normal function. The normal relative relationship between the maxilla and mandible, the complete dentition and the good occlusion relationship are the prerequisite for important functions such as chewing, swallowing, speaking and the like. Vascularization fibula transplantation is the "gold standard" of jaw defect reconstruction at present, restores through moulding patient's fibula into the shape of jaw, has "four-section type" jaw reconstruction scheme commonly used. In order to enable the reconstructed mandible to well recover the functions of chewing, swallowing, language and the like of a patient and the external appearance of the patient, the osteotomy operation needs to be accurately carried out, and the reconstructed mandible form is ensured to be consistent with the preoperative planning scheme.

In order to conveniently shape the fibula section, the fibula section slightly longer than the actually required fibula section can be firstly cut from the lower limb of a patient, and then accurate cutting is carried out on an external operating table. Currently, in practical clinical practice, a common method is to use a bone holding forceps to clamp a fibula section, which may cause unstable clamping during osteotomy and has very high requirements on a clamp. In addition, the existing vascularization fibula transplantation operation table cannot measure the force when cutting the fibula, and the stability and flexibility of clamping are required to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a vascularized fibula transplantation operation table with force sensing function and higher clamping stability and flexibility.

In order to achieve the above objects and other related objects, the present invention provides a vascularized fibula transplantation operating table, including: a support part for supporting other components of the operation table; the support part comprises a base; a plurality of stand columns are symmetrically arranged at two ends of the upper surface of the base; each pair of symmetrical upright posts are connected through a connecting part; the clamping part is arranged on the connecting part and used for clamping the fibula to perform fibula transplantation; and the force sensor is arranged on the supporting part and used for measuring the cutting force applied to the fibula.

In a preferred embodiment of the present invention, the operation table includes a plurality of holding portions; each two clamping parts oppositely apply a set of clamping force to the fibula; the clamping portion includes: the sliding block is slidably arranged on the connecting part; the clamping groove is connected with the sliding block and applies clamping force to the fibula together with the clamping groove of the other corresponding clamping part; and the knob is connected with the sliding block and is used for adjusting the clamping force applied to the fibula by the clamping part.

The utility model discloses in the embodiment of preferred, the through-hole has been seted up on the sliding block, connecting portion pass through the through-hole with the sliding block is connected, in order to support the clamping part.

In the preferred embodiment of the present invention, the slot comprises a V-shaped slot to accommodate fibulas of different shapes.

The utility model discloses in the embodiment of preferred, V type draw-in groove pass through universal ball pivot with the sliding block is connected.

In a preferred embodiment of the present invention, the knob includes a limiting structure.

In the preferred embodiment of the present invention, the base is provided with a drainage channel.

In a preferred embodiment of the present invention, the connecting portion includes a slide rail; the clamping part is connected with the sliding rail in a sliding mode.

In the preferred embodiment of the present invention, a flexible pad is disposed on the clamping portion to balance the clamping force applied to the fibula.

In the preferred embodiment of the present invention, the connecting portion is provided with scale marks for measuring the length of the transplanted fibula.

As mentioned above, the utility model relates to a vascularization fibula transplantation operation panel has following beneficial effect: compared with the operation of clamping the fibula by the conventional bone holding forceps, the clamping instability probability is greatly reduced, the labor is saved, and the working efficiency and the working quality of the fibula transplantation operation are improved; in addition, the force sensor is arranged on the operating table to accurately measure the cutting force applied in the fibula transplanting process, so that the operating table and the surgical robot can be combined for use, and more efficient and accurate cutting can be realized; the data measured by the force sensor also provides experience support for subsequent operations of the same type; the slidable structure of the clamping part can improve the clamping flexibility and avoid the possible damage to the fibula and the blood vessels connected with the fibula; the design of the V-shaped clamping groove and the universal ball hinge enables the clamping device to better adapt to the curvature and irregular shape of the fibula, and the clamping stability is improved; the adjusting function of the knob on the clamping force applied to the fibula can also help a worker to keep balance between clamping tightness and avoiding damage to the fibula tissue.

Drawings

Fig. 1(a) is a schematic structural diagram of a vascularized fibula transplantation operating table according to an embodiment of the present invention.

Fig. 1(b) is a schematic structural view of a support portion of a vascularized fibula transplantation console according to an embodiment of the present invention.

Fig. 1(c) is a schematic structural view of a clamping portion of a vascularized fibula transplantation operating table according to an embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure between the slot and the slider according to an embodiment of the present invention.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.

The utility model provides a vascularization fibula transplantation operation panel that has higher centre gripping stability and flexibility with function is felt to power.

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions in the embodiments of the present invention are further described in detail through the following embodiments in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1(a) is a schematic structural diagram of a vascularized fibula transplantation operating table according to an embodiment of the present invention, which includes: a support portion 11, a clamping portion 12 and a force sensor 13. Fig. 1(b) is a schematic structural view of the support portion 11 of the vascularized fibula transplantation console in fig. 1 (a). Fig. 1(c) is a schematic structural view of a clamping portion of the vascularized fibula transplantation console in fig. 1 (a). Can be specifically expressed as follows:

a support portion 11 for supporting other components of the console. Wherein, the supporting portion 11 further comprises a base 111; a plurality of upright posts 112 are symmetrically arranged at two ends of the upper surface of the base 111; each pair of symmetrical pillars 112 is connected by a connecting portion 113. Specifically, fig. 1(a) exemplarily shows a base 111 having a plate-shaped structure which is symmetrical front-back and left-right, and four ends of the base 111 are symmetrically provided with four cylindrical columns with equal height; two parallel connecting rods are used as connecting parts 113 to connect the pillars at both sides. The operation table is simple in structure, easy to produce and manufacture and good in practicability.

In some examples, the base 111 may be configured in the shape of: rectangular structures, arc structures, oval structures, plate structures, block structures, and the like. Preferably, the bottom of the base 111 is provided with a supporting foot, and the supporting foot can select a height adjustable type supporting foot. Preferably, the bottom of the base 111 is provided with a roller structure, so that the operation table is convenient to move, and the use flexibility of the operation table is improved. In other examples, the base 111 is provided with a drain channel to facilitate cleaning of the console after the operation is completed.

In some examples, the connection portion 113 includes a slide rail; the clamping part 12 is connected with the slide rail in a sliding way. Optionally, the slide rail includes a roller type slide rail, a steel ball type slide rail, a gear type slide rail, a damping slide rail, and the like. Preferably, the connecting portion 113 is provided with scale marks to assist the worker in accurately measuring the length of the fibula and determining the cutting point.

And a clamping part 12 provided on the connecting part 113 for clamping the fibula 14 for fibula transplantation. The clamping portion 12 applies a clamping force to the fibula 14 to fix the fibula, thereby facilitating a worker such as a doctor to perform an operation such as cutting the fibula 14. The clamping portion 12 can be a horizontal clamp, a vertical clamp, a linear motion clamp, a heavy self-locking clamp, a two-jaw chuck, a three-jaw chuck, a four-jaw chuck, a manual chuck, a pneumatic chuck, a hydraulic chuck and other types of clamping tools to clamp the fibula. The table shown in figure 1(a) includes three pairs of clamps 12, each pair applying force to the fibula from opposite sides thereof to effect clamping thereof. The present embodiment is only illustrative of the clamping portion and is not intended to limit the number of pairs thereof.

And the force sensor 13 is arranged on the supporting part 11 and used for measuring the cutting force applied to the fibula 14, so that the operating table has a force sensing function and is favorable for being combined with a surgical robot for subsequent use. Preferably, the force sensor 13 is arranged at the bottom of the upright post 112, and during the operation, the cutting force applied to the fibula can be converted into the pressure applied to the clamping portion 12 through the fibula, further transmitted to the connecting portion 113 through the clamping portion 12, then transmitted to the upright post 112 through the connecting portion 113, and finally converted into the pressure applied to the force sensor 13 by the upright post 112, so that the cutting force applied to the fibula 14 can be measured. The force sensor 13 mainly includes a force sensitive element (e.g., a spring, a beam, a bellows, a diaphragm, etc.), a conversion element (e.g., a resistive strain gauge), and a connection circuit.

Alternatively, the types of force sensors 13 include a strain tube type force sensor 13, a diaphragm type force sensor 13, a strain beam type force sensor 13, a combination type force sensor 13, and the like. The preferred strain tube pressure sensor, it has simple structure, makes the advantage convenient, that the suitability is strong, is particularly useful for the utility model discloses.

In the preferred embodiment of the present embodiment, the operation table includes a plurality of clamping portions 12; each two clamps 12 oppositely apply a set of clamping forces to the fibula 14; the clip portion 12 includes: a slide block 121 slidably provided on the connecting portion 113; a clamping groove 122 connected with the sliding block 121 and used for applying clamping force to the fibula 14 together with the corresponding clamping groove 122 of the other clamping part 12; a knob 123 connected with the sliding block 121 for adjusting the clamping force of the clamping portion 12 applied to the fibula 14.

In a preferred embodiment of the present invention, the sliding block 121 is provided with a through hole, and the connecting portion 113 is connected to the sliding block 121 through the through hole to support the clamping portion 12. Each of the sliding blocks 121 may be provided with only one through hole, or may be provided with a plurality of through holes to improve the stability of the sliding block 121 and the entire clamping portion 12. The sliding block 121 can slide on the connecting portion 113 to adjust the position thereof, so as to select a better force application position of the clamping portion 12 on the fibula 14, such as a position with a larger force application surface and a flatter contact surface, and avoid damaging blood vessels connected with the fibula 14.

In a preferred embodiment of the present invention, the card slot 122 includes a V-shaped card slot 122. In view of the fact that the fibula 14 of different surgical objects has a large difference in shape and the fibula 14 is relatively irregular in shape, the V-shaped clamping groove 122 can be better adapted to different surgical objects and irregular-shaped fibulas 14, and therefore a more stable clamping effect can be achieved.

Fig. 2 is a schematic view of a connection structure between the clamping groove and the sliding block according to an embodiment of the present invention, as shown in fig. 2, the V-shaped clamping groove 122 is connected to the sliding block 121 through the universal ball joint 21. The universal ball joint 21 is a space joint capable of realizing variable angle power transmission, and the included angle between the sliding block 121 and the V-shaped slot 122 under the joint structure can be changed and adjusted within a certain range. The clamping part 12 is matched with the universal ball joint 21 through the V-shaped clamping groove 122, so that the clamping part can better adapt to the curved surface of the fibula 14 and can be more fit with the shapes of different fibulas 14, and the clamping is firmer and more reliable.

In the preferred embodiment of the present invention, the knob 123 includes a position-limiting structure. The limit structure is used for limiting the maximum rotation angle of the knob 123, so as to avoid the clamping force applied to the fibula 14 by the clamping part 12 from being too large to damage the fibula 14. Specifically, the limiting structure comprises a limiting block, a limiting plate, a limiting marble, a limiting shaft and the like.

In the preferred embodiment, a flexible pad is provided on the clamping portion 12 to balance the clamping force applied to the fibula 14. Specifically, the flexible pad is arranged at the opening of the clamping groove 122 and is located between the clamping groove 122 and the fibula 14 when the fibula 14 is clamped, the clamping portion 12 applies a clamping force to the fibula 14 uniformly through the flexible pad, and damage to the fibula 14 in the operation process is relieved better while clamping firmness is guaranteed.

In summary, compared with the operation of clamping the fibula by the conventional bone holding forceps, the vascularized fibula transplantation operating table greatly reduces the unstable clamping probability, saves the manpower, and improves the working efficiency and the working quality of the fibula transplantation operation; in addition, the force sensor is arranged on the operating table to accurately measure the cutting force applied in the fibula transplanting process, so that the operating table and the surgical robot can be combined for use, and more efficient and accurate cutting can be realized; the data measured by the force sensor also provides experience support for subsequent operations of the same type; the slidable structure of the clamping part can improve the clamping flexibility and avoid the possible damage to the fibula and the blood vessels connected with the fibula; the design of the V-shaped clamping groove and the universal ball hinge enables the clamping device to better adapt to the curvature and irregular shape of the fibula, and the clamping stability is improved; the adjusting function of the knob on the clamping force applied to the fibula can also help a worker to keep balance between clamping tightness and avoiding damage to the fibula tissue. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A vascularized fibula transplantation console, comprising:

a support portion for supporting a component of the console; the support part comprises a base; a plurality of stand columns are symmetrically arranged at two ends of the upper surface of the base; each pair of symmetrical upright posts are connected through a connecting part;

the clamping part is arranged on the connecting part and used for clamping the fibula to perform fibula transplantation;

and the force sensor is arranged on the supporting part and used for measuring the cutting force applied to the fibula.

2. The vascularized fibula transplantation console of claim 1, wherein the console includes a plurality of clamps; each two clamping parts oppositely apply a set of clamping force to the fibula; the clamping portion includes:

the sliding block is slidably arranged on the connecting part;

the clamping groove is connected with the sliding block and applies clamping force to the fibula together with the clamping groove of the other corresponding clamping part;

and the knob is connected with the sliding block and is used for adjusting the clamping force applied to the fibula by the clamping part.

3. The vascularization fibula transplantation operating table of claim 2, wherein the sliding block is provided with a through hole, and the connecting part is connected with the sliding block through the through hole to support the clamping part.

4. The vascularized fibula transplantation console of claim 2, wherein said slots include V-shaped slots to accommodate differently shaped fibulas.

5. The vascularized fibula transplantation console of claim 4, wherein the V-shaped slots are connected to the sliding blocks by universal ball joints.

6. The vascularized fibula transplantation console of claim 2, wherein the knob includes a stop feature.

7. The vascularized fibula transplantation operating table of claim 1, wherein the base is provided with a drainage channel.

8. The vascularized fibula transplantation console of claim 1, wherein the connecting portion includes a slide rail; the clamping part is connected with the sliding rail in a sliding mode.

9. The vascularized fibula transplantation console of claim 1, wherein a flexible pad is provided on the clamping portion to equalize the clamping force on the fibula.

10. The vascularized fibula transplantation console of claim 1, wherein the connecting portion is provided with scale marks for measuring the length of the transplanted fibula.