CN215191428U

CN215191428U - Auxiliary supporting device for operation

Info

Publication number: CN215191428U
Application number: CN202120667022.9U
Authority: CN
Inventors: 余江; 陈新华; 黄泽; 廖明楷; 赖嘉焕; 刘嵩阳
Original assignee: Southern Hospital Southern Medical University
Current assignee: Southern Hospital Southern Medical University
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-17
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an auxiliary supporting device for operation, which comprises an adjusting structure, wherein the adjusting structure comprises a first rotating joint, a second supporting rod, a third supporting rod, an elastic part and a second rotating joint, the first end of the second supporting rod and the first end of the third supporting rod are both hinged on one side of the first rotating joint, the second end of the second supporting rod and the second end of the third supporting rod are both hinged on one side of the second rotating joint, and the elastic part is connected between the second supporting rod and the third supporting rod; a fixed structure for mounting the adjustment structure; and the clamping structure is used for clamping the laparoscope and is connected with the second rotating joint. The utility model adopts the parallelogram four-bar linkage mechanism with the elastic piece, so that the position of the laparoscope can be more conveniently adjusted in the operation on the premise of ensuring the stability; and due to the characteristics of the parallelogram mechanism, the laparoscope clamped at the tail end of the supporting device can not change the angle due to the change of the position, and can realize parallel movement.

Description

Auxiliary supporting device for operation

Technical Field

The utility model relates to an operating table auxiliary device field especially relates to an operation auxiliary stay device.

Background

With the improvement of medical instruments, the laparoscopic technique is mature day by day, has the advantages of small incision, small wound, less bleeding during operation, light inflammation after operation, quick recovery, small scar, short hospitalization and the like, and has become a mainstream surgical mode. The traditional 'five-hole laparoscopic gastric cancer surgery' is mainly performed by the cooperation of a main surgeon, an endoscope supporting hand and a first assistant, wherein the endoscope supporting hand is used for supporting the laparoscope in the surgery and adjusting the angle of the laparoscope according to the instruction of the main surgeon; the first assistant mainly has the function of assisting the main doctor in operation. One operation usually needs to be continued for hours, and the condition that the endoscope holding arm is unstable under the condition of holding the endoscope for a long time can occur; on the other hand, if the first assistant is not matched with the main surgeon, the difficulty of the operation may be increased. Therefore, the number of operators is reduced, and the mechanical supporting device is adopted to replace the endoscope holder and the first assistant, so that the development direction is new.

At present, a common operation auxiliary supporting device mostly adopts a connecting rod structure, movable nodes of the common operation auxiliary supporting device are fixed by knobs, but the knobs are correspondingly increased along with the increase of the movable nodes, and the position adjustment in the operation is inconvenient; and because all the connecting rods are pivoted, all the connecting rods rotate by taking the pivoted positions as rotating centers when the positions are adjusted, the laparoscope at the tail end of the clamping can move along an arc-shaped track, so that the angle of the laparoscope deviates to a certain extent, the angle of the laparoscope needs to be adjusted for the second time, and great inconvenience is caused to a user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide one kind and be convenient for adjust the position, and the peritoneoscope angle can keep parallel movement's supplementary strutting arrangement of operation.

According to an embodiment of the present invention, there is provided an auxiliary supporting device for surgery, including an adjusting structure, the adjusting structure includes a first rotating joint, a second supporting rod, a third supporting rod, an elastic member and a second rotating joint, a first end of the second supporting rod and a first end of the third supporting rod are both hinged to one side of the first rotating joint, a second end of the second supporting rod and a second end of the third supporting rod are both hinged to one side of the second rotating joint, a parallelogram-shaped four-bar linkage mechanism is formed between the first rotating joint, the second supporting rod, the third supporting rod and the second rotating joint, the elastic member is connected between the second supporting rod and the third supporting rod, and the elastic member is not parallel to any side of the four-bar linkage mechanism;

a fixed structure for mounting the adjustment structure; and the clamping structure is used for clamping a laparoscope and is connected with the second rotating joint.

According to the utility model discloses, furtherly, fixed knot constructs including the fixing base, the fixing base is equipped with fixed opening, be equipped with the jackscrew structure on fixed open-ended bottom and the lateral wall.

According to the utility model discloses, furtherly, fixed knot constructs including support column and head rod, the head rod is used for connecting the adjustment structure, the support column vertical connect in the fixing base, the head rod pass through horizontal revolute joint rotate connect in on the support column, horizontal revolute joint can wind the axial direction of support column is rotatory.

According to the utility model discloses the embodiment, furtherly, the head rod around first direction rotate connect in on the horizontal revolute joint, first direction is on a parallel with the self axial direction of head rod.

According to the utility model discloses, furtherly, the adjustment structure still includes first bracing piece, the one end of first bracing piece with first revolute joint links firmly, the other end of first bracing piece with the head rod is articulated.

According to the utility model discloses embodiment, furtherly, clamping structure includes the first body of rod, instrument clamp revolute joint and instrument fixation clamp, the instrument fixation clamp passes through the instrument clamp revolute joint rotates to be installed on the first end of the first body of rod, the rotation axial direction of instrument clamp revolute joint is on a parallel with the axial direction of the first body of rod.

According to the utility model discloses the embodiment, furtherly, the second end of the first body of rod with the second revolute joint is articulated.

According to the utility model discloses, furtherly, the first body of rod includes second connecting rod and third connecting rod, second connecting rod movable sleeve is located the third connecting rod outside.

According to the utility model discloses the embodiment, furtherly, the apparatus fixation clamp is including the holder that can open and shut, be equipped with the magnetic member on the double-phase opposite side of opening of holder.

The utility model has the advantages that: the utility model adopts the parallelogram four-bar linkage mechanism with the elastic piece, so that the position of the laparoscope can be more conveniently adjusted in the operation on the premise of ensuring the stability; and due to the characteristics of the parallelogram mechanism, the laparoscope clamped at the tail end of the supporting device can not change the angle due to the change of the position, and can realize parallel movement.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic view of the combination of the fixing structure, the adjusting structure and the clamping structure of the present invention;

fig. 2 is a detailed structural schematic diagram of the present invention;

fig. 3 is a perspective view of the present invention;

fig. 4 is a perspective view of the clamping structure of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the auxiliary supporting device for operation in the embodiment of the present invention includes a fixing structure 1, an adjusting structure 2 and a clamping structure 3. The fixing structure 1 functions as a base of the fixing device; the adjusting structure 2 is connected to the fixing structure 1 and mainly plays a role in adjusting the position of the clamping structure 3; the holding structure 3 is connected to the adjusting structure 2 and mainly functions to hold the laparoscope.

The adjusting structure 2 comprises a first rotating joint 21, a second supporting rod 22, a third supporting rod 23 and a second rotating joint 25, wherein the first ends of the second supporting rod 22 and the third supporting rod 23 are hinged on one side of the first rotating joint 21, the second ends of the second supporting rod 22 and the third supporting rod 23 are hinged on one side of the second rotating joint 25, and a parallelogram four-bar linkage mechanism is formed among the first rotating joint 21, the second supporting rod 22, the third supporting rod 23 and the second rotating joint 25. This structure can make the apparatus fixation clamp remove with unchangeable angle, specifically, drives the in-process that clamping structure produced vertical direction displacement at the adjustment structure, and the angle between apparatus fixation clamp and the horizontal direction is unchangeable all the time.

Furthermore, in order to enhance the structural strength of the four-bar linkage mechanism, a second support bar 22 and a third support bar 23 may be respectively added at the corresponding positions of the other sides of the first rotating joint 21 and the second rotating joint 25, that is, two ends of the two second support bars 22 are respectively pivoted to two sides of the first rotating joint 21 and the second rotating joint 25, and two ends of the two third support bars 23 are also respectively pivoted to two sides of the first rotating joint 21 and the second rotating joint 25, so as to form a parallelogram multi-bar linkage mechanism. Still further, the support rods may be further added in the direction parallel to the second support rod 22 and the third support rod 23 to form a combined structure of a plurality of parallelograms, and the specific connection manner is not described herein again.

The adjusting structure 2 further comprises an elastic member 24, and the elastic member 24 may be a tension spring or other elastic functional members with similar functions. The two ends of the elastic element 24 are respectively connected to the second support bar 22 and the third support bar 23, the specific connection position can be selected according to actual conditions, but the direction of the elastic element 24 cannot be parallel to any side of the four-bar linkage mechanism, so that the elastic element 24 can be obviously contracted and contracted to generate an elastic action when the four-bar linkage mechanism moves. The elastic member 24 functions to apply a force to the four-bar linkage mechanism, preventing the four-bar linkage mechanism from changing its geometry due to gravity, thereby affecting the stability of the surgical auxiliary support device.

The fixing structure 1 comprises a fixing seat 10, a supporting column 11, a horizontal rotating joint 12 and a first connecting rod 13, wherein the fixing seat 10 is of a C-shaped structure, and the bottom and the side wall of the fixing seat are respectively provided with a jackscrew structure which can be clamped on an operating table, a tabletop or other similar platforms; specifically, can clamp the fixed opening card of the "C" type of fixing base to the platform that extends out, screw up the jackscrew of bottom, utilize the jackscrew to fix fixing base and platform, the slip of the back can be restricted to the jackscrew of lateral wall after screwing up, avoids appearing the fixed unstable condition of fixing base. It is understood that the fixing base 10 may also adopt other fixing methods such as elastic clamp, bolt fixing, etc.

The support column 11 is vertically fixedly connected to the fixing seat 10, the horizontal rotating joint 12 is of a rotatable structure, the first end of the horizontal rotating joint 12 is rotatably connected to the support column 11, and the horizontal rotating joint 12 can rotate around the axial direction of the support column 11. The first connecting rod 13 is vertically hinged to the second end of the horizontal turning joint 12, and the first connecting rod 13 can rotate around the axial direction of the first connecting rod. The fixed structure has two degrees of freedom, and the flexibility of the device can be greatly improved.

Furthermore, the adjusting structure 2 further includes a first supporting rod 20, one end of the first supporting rod 20 is fixedly connected with the first rotating joint 21, and the other end is hinged to the first connecting rod 13, so as to connect the fixing structure 1 and the adjusting structure 2. Furthermore, the first support bar 20 also serves to adjust the height of the holding structure 3.

The auxiliary supporting device for the operation further comprises a clamping structure 3, the clamping structure 3 comprises a first rod body 30, an instrument clamp rotating joint 31 and an instrument fixing clamp 32, the instrument clamp rotating joint 31 is of a rotating structure, the first rod body 30 can be rotatably connected to the instrument fixing clamp 32 through the instrument clamp rotating joint 31, the rotating axial direction of the instrument clamp rotating joint 31 is parallel to the axial direction of the first rod body 30, the instrument fixing clamp 32 can rotate along the axial direction of the first rod body 30, and the angle of the instrument fixing clamp 32 can be conveniently adjusted.

Further, the first rod 30 includes a second connecting rod 301 and a third connecting rod 302, the second connecting rod 301 is sleeved outside the third connecting rod 302, the second connecting rod 301 and the third connecting rod 302 can not be fixedly connected, and the two can rotate and/or stretch each other; as another alternative, the second connecting rod 301 may be fixedly connected with the third connecting rod 302.

Furthermore, the second rotating joint 25 in the adjusting structure 2 is hinged to the first rod 30 in the clamping structure 3, so that a degree of freedom is added to the surgical auxiliary support device while the adjusting structure 2 and the clamping structure 3 are connected.

The instrument holder 32 is provided with a clamp with magnetic members on opposite sides of the clamp opening. When the laparoscope needs to be clamped, the laparoscope is placed into the clamping piece opening, the magnetic components on the two opposite sides of the clamping piece opening are close to each other due to the action of magnetic force, so that the laparoscope in the clamping piece opening is clamped, and convenient and stable clamping can be realized.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A surgical auxiliary support device, comprising:

an adjusting structure (2), wherein the adjusting structure (2) comprises a first rotating joint (21), a second supporting rod (22), a third supporting rod (23), an elastic piece (24) and a second rotating joint (25), the first end of the second supporting rod (22) and the first end of the third supporting rod (23) are both hinged on one side of the first rotating joint (21), the second end of the second supporting rod (22) and the second end of the third supporting rod (23) are both hinged on one side of the second rotating joint (25), a parallelogram four-bar linkage is formed among the first rotary joint (21), the second support rod (22), the third support rod (23) and the second rotary joint (25), the elastic piece (24) is connected between the second supporting rod (22) and the third supporting rod (23), and the elastic piece (24) is not parallel to any side of the four-bar linkage;

-a fixed structure (1), said fixed structure (1) being intended to mount said adjustment structure (2);

the clamping structure (3) is used for clamping the laparoscope, and the clamping structure (3) is connected with the second rotating joint (25).

2. The surgical auxiliary support device according to claim 1, wherein: the fixing structure (1) comprises a fixing seat (10), the fixing seat (10) is provided with a fixing opening, and the bottom and the side wall of the fixing opening are provided with jackscrew structures.

3. The surgical auxiliary support device according to claim 2, wherein: fixed knot constructs (1) including support column (11) and head rod (13), head rod (13) are used for connecting adjustment structure (2), support column (11) vertical connect in fixing base (10), head rod (13) rotate through horizontal rotation joint (12) connect in on support column (11), horizontal rotation joint (12) can wind the axial direction of support column (11) is rotatory.

4. A surgical auxiliary support device according to claim 3, wherein: the first connecting rod (13) is rotatably connected to the horizontal rotating joint (12) around a first direction, and the first direction is parallel to the self axial direction of the first connecting rod (13).

5. A surgical auxiliary support device according to claim 3, wherein: the adjusting structure (2) further comprises a first supporting rod (20), one end of the first supporting rod (20) is fixedly connected with the first rotating joint (21), and the other end of the first supporting rod (20) is hinged to the first connecting rod (13).

6. The surgical auxiliary support device according to claim 1, wherein: clamping structure (3) include first body of rod (30), apparatus clamp revolute joint (31) and apparatus fixation clamp (32), apparatus fixation clamp (32) pass through apparatus clamp revolute joint (31) is rotated and is installed on the first end of the first body of rod (30), the rotation axial direction that the apparatus pressed from both sides revolute joint (31) is on a parallel with the axial direction of the first body of rod (30).

7. The surgical auxiliary support device according to claim 6, wherein: the second end of the first rod body (30) is hinged with the second rotating joint (25).

8. The surgical auxiliary support device according to claim 7, wherein: the first rod body (30) comprises a second connecting rod (301) and a third connecting rod (302), and the second connecting rod (301) is movably sleeved on the outer side of the third connecting rod (302).

9. The surgical auxiliary support device according to claim 6, wherein: the instrument fixing clamp (32) comprises an openable clamping piece, and magnetic components are arranged on two opposite sides of an opening of the clamping piece.