CN111772823A

CN111772823A - Surgical microscope support arm

Info

Publication number: CN111772823A
Application number: CN202010582003.6A
Authority: CN
Inventors: 邓建明
Original assignee: Suzhou Haoxin Precision Mechanical Co ltd
Current assignee: Suzhou Haoxin Precision Technology Co.,Ltd.
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-10-16
Anticipated expiration: 2040-06-23
Also published as: CN111772823B

Abstract

The invention discloses an operating microscope supporting arm, which comprises a first arm body, a second arm body and a third arm body, wherein two ends of the second arm body are respectively hinged with the first arm body and the second arm body, a fixed rod of the third arm body is connected with a rotary adjusting device, the rotary adjusting device comprises a rotary main body and a guide rail component, a cylinder body is fixed at the top of the rotary main body, the cylinder body is connected with the fixed rod through a first rolling bearing, a microscope lens and a guide rod are connected on the rotary main body, the guide rail component comprises an inner disc and an outer ring body, a guide groove is formed between the inner disc and the outer ring body, the guide rod is inserted into the guide groove, the top of guide bar is provided with the stopper, and the both sides of stopper all articulate there is the setting element, and the bottom of setting element is connected with positioning screw, is connected with bulb portion on the positioning screw, is provided with a plurality of arc constant head tanks on the outward flange of inside disc. The invention can conveniently and effectively realize the adjustment of the position of the microscope lens and can realize the effective positioning of the microscope lens.

Description

Surgical microscope support arm

Technical Field

The invention relates to the technical field of medical instruments, in particular to a supporting arm of an operating microscope.

Background

The operation microscope is a stereoscopic microscope which is used for providing an amplifier to enhance the visual effect and is convenient for a doctor to observe and record the treatment process of a human body, and the generation of the operation microscope can enable the doctor to observe a plurality of parts which can not be observed by naked eyes, thereby greatly improving the success rate of the operation. At present, the operation microscope is widely applied to various surgical operations of ophthalmology, neurosurgery, otolaryngology, stomatology and the like. The support arm is an important part of the operation microscope and is used for carrying the microscope head, the position of the lens head needs to be adjusted frequently in order to better observe a corresponding operation position, but the position of the lens head cannot be adjusted conveniently by the existing support arm, and the use requirement cannot be met.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the surgical microscope supporting arm which can conveniently and effectively realize the adjustment of the position of a microscope lens.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

an operating microscope supporting arm comprises a first arm body, a second arm body and a third arm body, wherein one end of the second arm body is hinged with the first arm body, the other end of the second arm body is hinged with the third arm body, a fixing rod is connected onto the third arm body, a rotation adjusting device is connected onto the fixing rod, the rotation adjusting device comprises a rotating main body and a guide rail assembly located at the upper part of the rotating main body, a cylinder body is fixed at the top of the rotating main body and connected with the fixing rod through a first rolling bearing, a microscope lens and a guide rod are connected onto the rotating main body, the guide rail assembly comprises an inner disc and an outer ring body, a guide groove is formed between the inner disc and the outer ring body, the upper part of the guide rod is inserted into the guide groove and can move along the guide groove, and the inner disc is connected with the fixing rod, the outer ring body with the third arm body is connected, the outer ring body with the axis of inside disc all with the axis of dead lever coincides mutually, the top of guide bar is provided with the stopper, the both sides of stopper all articulate there is the setting element, the bottom of setting element is connected with the mounting panel, mounting panel and positioning screw are connected through the screw thread, positioning screw's trailing end connection has the bulb portion, be provided with a plurality of arc constant head tanks on the outward flange of inside disc, the bulb portion is used for the butt to be in order to restrict in the arc constant head tank the removal of guide bar.

In one embodiment, one end of the guide rod is connected with a rectangular insertion block, the other end of the guide rod is connected with the limiting block, a rectangular insertion groove is formed in the rotating main body, and the rectangular insertion block is inserted into the rectangular insertion groove.

In one embodiment, both ends of the outer ring are connected to the third arm by a first bolt.

In one embodiment, the robot arm further comprises a base, a rotating shaft is fixed on the base, a shaft hole is formed in the bottom end of the first arm body, and the rotating shaft is connected with the shaft hole through a second rolling bearing.

In one embodiment, an arc-shaped holding groove is formed in the second arm body, and a sterile lining body is attached to the arc-shaped holding groove.

In one embodiment, the microlens is located on one side of the bottom of the rotating body, the microlens is located inside the lens shield, the lens shield is connected to the rotating body, and the lens shield is in a horn shape.

In one embodiment, the lens shield is provided with a plurality of flexible folds.

In one embodiment, the lighting device further comprises an auxiliary lighting lamp, wherein the auxiliary lighting lamp is connected to the rotating body through a flexible rod.

In one embodiment, the rotating body is connected with an adjusting handle, and the adjusting handle is sleeved with a sterile sleeve.

In one embodiment, the guide rod includes a vertical rod and a cross rod, the vertical rod and the cross rod are perpendicular to each other, the cross rod is connected to the rotating body, the upper portion of the vertical rod is inserted into the guide slot and can move along the guide slot, and the axis of the vertical rod and the axis of the fixed rod coincide.

The invention has the following beneficial effects: according to the supporting arm of the operating microscope, the position of the microscope lens can be conveniently and effectively adjusted through the combined design of the first arm body, the second arm body, the third arm body and the rotation adjusting device, the adjusting range is wide, the adjusting precision is high, the effective positioning of the microscope lens can be realized, a doctor can accurately observe a treatment process in an operation process more conveniently, and the operation efficiency is improved.

Drawings

FIG. 1 is a schematic view of the construction of a surgical microscope support arm according to the present invention;

FIG. 2 is a top view of the rotary adjustment apparatus of FIG. 1;

FIG. 3 is a top view of the rail assembly of FIG. 1;

FIG. 4 is an enlarged partial schematic view at A of FIG. 1;

FIG. 5 is a schematic view of the assembly of the guide rod and the rotating body of FIG. 1;

FIG. 6 is a top view of the structure shown in FIG. 5;

FIG. 7 is an assembled view of the stop block and the positioning member of FIG. 5;

in the figure: 1. the robot arm comprises a first arm body, a second arm body, a 21, an arc-shaped holding groove, a 3, a third arm body, a 4, a base, a 41, a rotating shaft, a 5, a fixing rod, a 6, a rotary adjusting device, a 61, a rotating main body, a 611, a cylinder body, a 612, a microscope lens, 613, a guide rod, a 6131, a vertical rod, a 6132, a cross rod, a 614, a rectangular insertion block, a 615, a limiting block, a 616, a positioning piece, a 617, a mounting plate, a 618, a positioning screw, a 6181, a ball head, a 619, a rectangular insertion groove, a 62, a guide rail assembly, a 63, an inner disc, a 631, an arc-shaped positioning groove, a 64, an outer ring body, a 65, a guide groove, a 66, a lens shield, a 661, a flexible folding part, a 67, an auxiliary illuminating lamp, a 68, a flexible rod, a 69, an.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1, the embodiment discloses an operation microscope supporting arm, which comprises a first arm body 1, a second arm body 2 and a third arm body 3, wherein one end of the second arm body 2 is hinged with the first arm body 1, the other end is hinged with the third arm body 3, the third arm body 3 is connected with a fixing rod 5, and the fixing rod 5 is connected with a rotation adjusting device 6 so as to accurately rotate and adjust the position of a microscope lens 612;

the rotation adjusting device 6 comprises a rotating body 61 and a guide rail assembly 62 positioned at the upper part of the rotating body 61, a cylinder 611 is fixed at the top of the rotating body 62, the cylinder 611 is connected with the fixed rod 5 through a first rolling bearing (not shown in the figure), so that the cylinder 611 can drive the rotating body 61 to rotate together relative to the fixed rod 5, and the rotating body 61 is connected with a micro lens 612 and a guide rod 613;

as shown in fig. 2 to 3, the guide rail assembly 62 includes an inner disc 63 and an outer ring 64, a guide groove 65 is formed by a gap between the inner disc 63 and the outer ring 64, an upper portion of the guide rod 613 is inserted into the guide groove 65 and can move along the guide groove 65, the inner disc 63 is connected with the fixing rod 5, the outer ring 64 is connected with the third arm 3, and axes of the outer ring 64 and the inner disc 63 are coincident with an axis of the fixing rod 5; further, the guide rod 613 may be in contact with the inner wall of the outer ring 64.

As shown in fig. 5-6, the top end of the guide rod 613 is provided with a stopper 615 to prevent the guide rod 613 from being separated from the guide groove 65 and enhance the stability of the movement of the guide rod 613, two ends of the bottom surface of the stopper 615 are respectively contacted with the inner disc 63 and the outer ring body 64 at two ends of the guide groove 65, and the width of the stopper 615 is greater than the width of the guide groove 65;

as shown in fig. 6-7, positioning members 616 are hinged to both sides of the limiting block 615, so that the positioning members 616 can swing, a mounting plate 617 is connected to the bottom of the positioning members 616, the mounting plate 617 is connected to the positioning screw 618 through a thread, so as to adjust the extending length of the positioning screw 618, a ball head 6181 is connected to the tail end of the positioning screw 618, a plurality of arc-shaped positioning grooves 631 are disposed on the outer edge of the inner disc 63, the ball head 6181 is used to abut against the arc-shaped positioning grooves 631 to limit the movement of the guide rod 613, that is, after the rotating body 61 drives the microscope lens 612 to rotate to a set position, the positioning screw 618 extends until the ball head 6181 abuts against the arc-shaped positioning grooves, so as to limit the movement of the guide rod 613, further limit the rotation of the rotating body 61, and achieve the positioning of the microscope.

Further, the positioning screw 618 is fastened by nuts through both ends of the mounting plate 617.

The spherical surface of the ball head portion 6181 in the above structure can be better adapted to the arc-shaped positioning groove 631, so that a better positioning effect is achieved, and the arc-shaped positioning groove 613 is not easily damaged during positioning.

In the above structure, the two sides of the limiting block 615 are hinged with positioning parts 616, wherein the positioning part 616 on one side plays a main limiting role when the rotating body 61 rotates clockwise around the fixing rod 5, and the positioning part 616 on the other side plays a main limiting role when the rotating body 61 rotates counterclockwise around the fixing rod 5.

Further, a plurality of arcuate positioning slots 631 are circumferentially equispaced on the outer edge of the inner disk 63.

It can be understood that the number of the arc-shaped positioning slots 631 can be as large as possible, so as to better increase the range and continuity of the limiting angle.

In one embodiment, one end of the guide rod 613 is connected with the rectangular insertion block 614, the top of the other end of the guide rod 613 is connected with the limiting block 615, the rotating main body 61 is provided with the rectangular insertion slot 619, the rectangular insertion block 614 is inserted into the rectangular insertion slot 619, the guide rod 613 and the rotating main body 61 are connected in a rectangular insertion mode, circumferential rotation of the guide rod 613 in the insertion slot can be effectively prevented, and therefore connection stability is greatly improved, and disassembly is convenient.

In one embodiment, the two ends of the outer ring 64 are connected to the third arm 3 by the first bolt 7, so that the outer ring 64 can be easily disassembled, and the height of the outer ring 64 can be adjusted by adjusting the screwing depth.

In one embodiment, the surgical microscope support arm further comprises a base 4, a rotating shaft 41 is fixed on the base 4, a shaft hole is formed in the bottom end of the first arm body 1, the rotating shaft 41 is connected with the shaft hole through a second rolling bearing 8, so that the first arm body 1 can rotate circumferentially relative to the rotating shaft 41, the second arm body 2, the third arm body 3 and the rotation adjusting device 6 are driven to rotate integrally, the position of the microscope lens 612 is adjusted on a large scale, and the position of the microscope lens 612 can be adjusted accurately on a small scale through rotation of the rotating main body 61 around the fixing rod 5 in the rotation adjusting device 6.

In one embodiment, the second arm 2 is provided with an arc-shaped holding groove 21 to increase the comfort of holding, and a sterile lining is attached to the arc-shaped holding groove 21 to ensure that the sterile operation is maintained when the second arm 2 is adjusted.

In one embodiment, the microlens 612 is located at the bottom side of the rotating body 61, the microlens 612 is located inside the lens shield 66, the lens shield 66 is connected to the rotating body 61, and the lens shield 66 is in a horn shape, so as to better prevent the microlens 612 from being polluted by the external environment.

In one embodiment, as shown in fig. 4, the lens shield 66 is provided with a plurality of flexible wrinkles 661, i.e., the wrinkles are made of a flexible material so that the wrinkles can be extended and folded, thereby adjusting the length of the lens shield 66.

In one embodiment, the surgical microscope support arm further includes an auxiliary illumination lamp 67 for auxiliary illumination, and the auxiliary illumination lamp 67 is connected to the rotating body 61 through a flexible rod 68, so that the illumination angle of the auxiliary illumination lamp 67 can be arbitrarily adjusted through the flexible rod 68.

In one embodiment, an adjusting handle 69 is connected to the rotating body 61, and a sterile sleeve is sleeved on the adjusting handle 69 to ensure sterile operation. In use, the operator can rotate the rotating body 61 to rotate around the fixing rod 5 by holding the adjusting handle 69.

Further, adjust handle 69 and include the body of rod 691, and the tip of body of rod 691 is provided with baffle 692, and baffle 692 and body of rod 691 are perpendicular mutually to hand takes off from body of rod 691 when avoiding holding body of rod 691.

Further, the body of rod adopts the telescopic link to adjust the length of whole handle as required.

In one embodiment, the guiding rod 613 comprises a vertical rod 6131 and a horizontal rod 6132 which are perpendicular to each other, the horizontal rod 6132 is connected with the rotating body 61, the upper part of the vertical rod 6131 is inserted into the guiding slot 65 and can move along the guiding slot 85, and the axis of the vertical rod 6131 coincides with the axis of the fixing rod 5, so as to ensure the stability of the rotation of the rotating body 61.

Further, the guide rod 613 may have a hollow structure.

The use method of the surgical microscope support arm comprises the following steps: firstly, the first arm 1 is fixed on a corresponding frame body in an operating room, then the second arm 2 or the third arm 3 is rotated as required, so as to adjust the rotation adjusting device 6 to a corresponding position, then the rotating body 61 is rotated, so that the rotating body 61 and the microscope lens 612 rotate together relative to the fixing rod 5, and at the same time, the guide rod 613 rotates along the guide groove 65, at this time, the positioning part 616 can be shifted to a position away from the arc-shaped positioning groove 631, when the microscope lens 612 rotates to a set angle, the positioning part 616 is rotated, and the positioning screw 618 at the bottom of the positioning part is rotated out until the ball head part 6181 abuts against one of the arc-shaped positioning grooves, at this time, the guide rod 613 is positioned, and cannot rotate any more, so that the microscope lens 612 on the rotating body 631 can be well positioned, and then an operation can be performed.

The operation microscope support arm of this embodiment, through the combination design of first arm body 1, second arm body 2, third arm body 3 and rotation regulation device 6, can make things convenient for the regulation of effectual realization microscope head 612 position, accommodation range is wide, adjusts the precision height, and can realize the effective location of microscope head 612, has improved the stability of camera lens after targetting in place, can be more convenient for the doctor at the operation in-process accurate observation treatment, improves operation efficiency.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. A supporting arm of an operating microscope is characterized by comprising a first arm body, a second arm body and a third arm body, wherein one end of the second arm body is hinged with the first arm body, the other end of the second arm body is hinged with the third arm body, a fixing rod is connected onto the third arm body, a rotary adjusting device is connected onto the fixing rod and comprises a rotary main body and a guide rail assembly located on the upper portion of the rotary main body, a cylinder body is fixed to the top of the rotary main body and connected with the fixing rod through a first rolling bearing, a microscope lens and a guide rod are connected onto the rotary main body, the guide rail assembly comprises an inner disc and an outer ring body, a guide groove is formed between the inner disc and the outer ring body, the upper portion of the guide rod is inserted into the guide groove and can move along the guide groove, and the inner disc is connected with the fixing rod, the outer ring body with the third arm body is connected, the outer ring body with the axis of inside disc all with the axis of dead lever coincides mutually, the top of guide bar is provided with the stopper, the both sides of stopper all articulate there is the setting element, the bottom of setting element is connected with the mounting panel, mounting panel and positioning screw are connected through the screw thread, positioning screw's trailing end connection has the bulb portion, be provided with a plurality of arc constant head tanks on the outward flange of inside disc, the bulb portion is used for the butt to be in order to restrict in the arc constant head tank the removal of guide bar.

2. The surgical microscope support arm according to claim 1, wherein the guide rod is connected at one end thereof with a rectangular insertion block, and is connected at the other end thereof with the stopper, and the rotating body is provided with a rectangular insertion slot into which the rectangular insertion block is inserted.

3. The surgical microscope support arm of claim 1, wherein both ends of the outer ring are connected to the third arm by a first bolt.

4. The support arm for a surgical microscope as claimed in claim 1, further comprising a base, wherein a rotating shaft is fixed on the base, a shaft hole is provided at the bottom end of the first arm, and the rotating shaft and the shaft hole are connected through a second rolling bearing.

5. The surgical microscope support arm of claim 1, wherein the second arm body is provided with an arcuate gripping slot having a sterile liner affixed thereto.

6. The surgical microscope support arm of claim 1, wherein the microscope lens is located on a bottom side of the rotating body, the microscope lens is located inside a lens shield, the lens shield is connected to the rotating body, and the lens shield is flared.

7. The surgical microscope support arm of claim 6, wherein the lens shield is provided with a plurality of flexible folds.

8. The surgical microscope support arm according to claim 1, further comprising an auxiliary illumination lamp connected to the rotating body by a flexible rod.

9. The surgical microscope support arm of claim 1, wherein an adjustment handle is attached to the rotating body, the adjustment handle being sleeved with a sterile sleeve.

10. The support arm for a surgical microscope according to claim 1, wherein the guide rod comprises a vertical rod and a horizontal rod, the horizontal rod is connected to the rotating body, the upper part of the vertical rod is inserted into the guide groove and can move along the guide groove, and the axis of the vertical rod and the axis of the fixed rod coincide.