Polar coordinate ram type reciprocating cross arm for operating microscope

Abstract

The utility model provides a polar coordinate ram type reciprocating motion cross arm for an operating microscope in the technical field of operating microscopes. The polar coordinate ram type reciprocating motion cross arm comprises a base; the electric lifting platform is arranged at the top end of the base; the stand column is connected with the lifting end of the electric lifting table; the bottom end of the decelerating rotating module is rotationally connected with the top end of the stand column; the bottom end of the manual sliding block is connected with the top end of the deceleration rotating module; the cross arm is in sliding connection with the manual sliding block; the decelerating rotating module comprises a rotating shaft decelerating motor sleeve which is provided with a decelerating motor cabin at the upper part and a damping rotating shaft at the lower part; the damping rotating shaft is rotationally connected with the stand column; the stepping motor is arranged in the gear motor bin; the speed reducer is connected with the output end of the stepping motor; the rotary crossed roller bearing is arranged at the top end of the rotating shaft gear motor sleeve; and the middle part of the transverse arm polar coordinate origin turntable is connected with the speed reducer. The operating microscope has the advantages that the controllability, the flexibility, the stability and the accuracy in use of the operating microscope are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical microscope technical field, especially point to a kind of polar coordinate slide ram type reciprocating moving cross arm for surgical microscope. BACKGROUND

[0002] Surgical microscope is a kind of commonly used medical surgical microscope equipment, for example, ophthalmic surgical microscope is widely used in ophthalmic surgery. In order to make surgical microscope aim at surgical target, manual mechanical arm is needed to adjust the optical position of surgical microscope, for example, phacoemulsification intraocular lens implantation, first manually mechanical arm aims surgical microscope at one eye, and then manually mechanical arm moves surgical microscope to aim at another eye after the eye surgery is completed.

[0003] Due to the high position accuracy requirement in the movement of surgical microscope, the prior art is mostly manual, if mechanical arm is set as electric mechanism, matched with reduction motor, it will be unable to intervene manually due to the reverse self-locking of reduction motor, and if inadvertently or forcibly manually intervene, long mechanical arm will damage electric mechanism, therefore, the existing mechanical arm is all manually structured.

[0004] In the prior art, the mechanical arm of manual structure is as shown in Figure 5 It is mainly composed of support, main cross arm, auxiliary cross arm and chassis, one end of main cross arm is rotationally connected with support, the other end is rotationally connected with one end of auxiliary cross arm, and surgical microscope is linked and displaced by the other end of auxiliary cross arm, but the mechanical arm of the structure has the following shortcomings:

[0005] 1, through main cross arm and auxiliary cross arm, only surgical microscope can be linked and moved in arc, when needing to move to specified position, main cross arm and auxiliary cross arm often need to be adjusted at the same time, and there is position blind area, that is, through rotating main cross arm and auxiliary cross arm, surgical microscope cannot reach the position, which seriously limits the flexibility of surgical microscope use; 2, the whole mechanical arm is single-arm suspension, its weight is completely deviated to one end of main cross arm, in order to avoid falling, chassis needs to be relatively heavy, and there are many problems in transportation, installation and use.

[0006] Therefore, how to provide a polar coordinate slide ram type reciprocating moving cross arm for surgical microscope, to realize the controllability, flexibility, stability and accuracy of surgical microscope use, becomes a technical problem to be solved urgently. UTILITY MODEL CONTENTS

[0007] The technical problem to be solved by the utility model is to provide a polar coordinate slide ram type reciprocating moving cross arm for surgical microscope, to realize the controllability, flexibility, stability and accuracy of surgical microscope use.

[0008] The utility model discloses a polar coordinate slide ram type reciprocating moving cross arm for surgical microscope, including:

[0009] A base;

[0010] An electric lifting platform is arranged at the top of the base;

[0011] A stand is vertically connected with the lifting end of the electric lifting platform;

[0012] A reduction rotation module is rotationally connected with the top of the stand;

[0013] A manual sliding block is connected with the top of the reduction rotation module;

[0014] A cross arm is slidingly connected with the manual sliding block;

[0015] The cross arm includes:

[0016] A cross arm shell;

[0017] A pair of linear slide rails are parallelly arranged at the top of the cross arm shell; the manual sliding block is slidingly connected with the linear slide rails;

[0018] A servo motor is arranged in the cross arm shell;

[0019] A lead screw is horizontally arranged in the cross arm shell and located between the linear slide rails; one end of the lead screw is rotationally connected with the end face of the linear slide rail, and the other end of the lead screw is connected with the power output end of the servo motor;

[0020] An electric sliding block is slidingly connected with the linear slide rails, connected with the transmission end of the lead screw, and located at the end away from the servo motor.

[0021] Further, the reduction rotation module includes:

[0022] A rotation shaft reduction motor sleeve is provided with a reduction motor compartment at the upper portion and a damping rotation shaft at the lower portion; the rotation shaft reduction motor sleeve is rotationally connected with the stand through the damping rotation shaft;

[0023] A stepping motor is arranged in the reduction motor compartment;

[0024] A reducer is arranged in the reduction motor compartment; the input end of the reducer is connected with the output end of the stepping motor, the output end is vertically upward, and the output end extends out of the reduction motor compartment;

[0025] A rotary cross roller bearing is arranged at the top of the rotation shaft reduction motor sleeve;

[0026] A horizontal arm polar coordinate origin rotating disc is arranged at the top end of the slewing cross roller bearing and is engaged with the slewing cross roller bearing, and the middle part is connected with the output end of the speed reducer.

[0027] Further, four rollers are arranged at the bottom end of the base.

[0028] The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope.

[0029] 1. The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope.

[0030] 2. The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope. BRIEF DESCRIPTION OF DRAWINGS

[0031] The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope.

[0032] Figure 1 The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope.

[0033] Figure 2 The utility model discloses a polar coordinate slide ram type reciprocating horizontal arm for surgical microscope.

[0034] Figure 3 is an explosion view of the speed reduction rotating module of the utility model.

[0035] Figure 4 is a structural schematic view of the speed reduction rotating module of the utility model.

[0036] Figure 5 is a structural schematic view of the traditional mechanical arm.

[0037] Marking explanation:

[0038] 100-a polar coordinate slide block type reciprocating moving cross arm for surgical microscope, 1-base, 2-electric lifting platform, 3-stand, 4-speed reduction rotating module, 5-manual slide block, 6-cross arm, 11-roller, 41-rotary shaft speed reduction motor cover, 42-step motor, 43-speed reducer, 44-rotary cross roller bearing, 45-cross arm polar coordinate origin turntable, 411-speed reduction motor bin, 412-damping rotary shaft, 61-cross arm shell, 62-linear slide rail, 63-servo motor, 64-screw rod, 65-electric slide block;

[0039] 200-traditional mechanical arm, 201-strut, 202-main cross arm, 203-secondary cross arm, 204-chassis. DETAILED DESCRIPTION

[0040] The utility model embodiment provides a polar coordinate slide block type reciprocating moving cross arm 100 for surgical microscope, solve the mechanical arm through main cross arm and secondary cross arm only linkage surgical microscope in prior art and carry out arc line motion, when need to move to the specified position, often need to adjust main cross arm and secondary cross arm simultaneously, and there is position blind area, seriously limit the flexibility of surgical microscope use, the weight of whole mechanical arm is borne in the end of main cross arm, in order to avoid producing inclination, the chassis needs to do the heavier technical problem, realize the controllability, flexibility, stability and precision of surgical microscope greatly improved technical effect.

[0041] The technical scheme in the utility model embodiment solves the above problems, and the general idea is as follows: the speed reduction rotating module 4 is linked with the cross arm 6 through the manual slide block 5 to rotate, the servo motor 63 of the cross arm 6 is linked with the electric slide block 65 on the linear slide rail 62 through the screw rod 64 to displace, that is, the electric control electric slide block 65 is realized to rotate and stretch out and draw back the movement, the cross arm 6 is installed on the speed reduction rotating module 4 through the manual slide block 5, and there is a certain counterweight at the opposite end of the electric slide block 65 on which the surgical microscope is installed, so as to reduce the risk of inclination and improve the controllability, flexibility, stability and precision of the surgical microscope.

[0042] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the description of the drawings and the specific embodiments.

[0043] Referring to Figures 1 to 5 The preferred embodiment of the polar coordinate slide-ladle type reciprocating moving cross arm 100 for surgical microscope comprises:

[0044] a base 1 for bearing the polar coordinate slide-ladle type cross arm 100 of the surgical microscope;

[0045] an electric lifting platform 2 arranged at the top end of the base 1 for driving the cross arm 6 to lift and drive the electric sliding block 65 to lift;

[0046] a vertical column 3 connected with the lifting end of the electric lifting platform 2 for driving the cross arm 6 to lift and driving the electric sliding block 65 to lift;

[0047] a deceleration rotating module 4 rotatably connected with the top end of the vertical column 3 for driving the cross arm 6 to rotate and enabling the electric sliding block 65 to move in an arc shape;

[0048] a manual sliding block 5 connected with the top end of the deceleration rotating module 4 for manually adjusting the cross arm 6 to move forward and backward and enabling the electric sliding block 65 to move forward and backward;

[0049] a cross arm 6 slidably connected with the manual sliding block 5 to form a slide-ladle type reciprocating movement for the reciprocating movement of the electric sliding block 65;

[0050] The deceleration rotating module 4 comprises:

[0051] a rotating shaft deceleration motor sleeve 41 provided with a deceleration motor compartment 411 at the upper portion and a damping rotating shaft 412 at the lower portion; the rotating shaft deceleration motor sleeve 41 is rotatably connected with the vertical column 3 through the damping rotating shaft 412 for manual rotation;

[0052] a stepping motor 42 arranged in the deceleration motor compartment 411 for providing power for the rotation of the electric sliding block 65;

[0053] a decelerator 43 arranged in the deceleration motor compartment 411, the input end of which is connected with the output end of the stepping motor 42, the output end of which is vertically upward and extends out of the deceleration motor compartment 411 for the deceleration of the stepping motor 42;

[0054] a rotary cross roller bearing 44 arranged at the top end of the rotating shaft deceleration motor sleeve 41 for improving the stability of the rotation of the cross arm polar coordinate origin turntable 45;

[0055] A horizontal arm polar coordinate origin rotating disc 45 is arranged at the top end of the slewing cross roller bearing 44, is engaged with the slewing cross roller bearing 44, and is connected with the output end of the speed reducer 43 in the middle, and is used for linkage of the electric sliding block 65 to move in an arc shape.

[0056] Four rollers 11 are arranged at the bottom end of the base 1, so that the polar coordinate ram-type horizontal arm 100 of the surgical microscope is conveniently moved.

[0057] The roller 11 is a universal wheel and is provided with a self-locking piece.

[0058] The horizontal arm 6 comprises:

[0059] A horizontal arm shell 61 is used for providing dust prevention and protection for the horizontal arm 6, and has the advantages of being beautiful and easy to disinfect;

[0060] A pair of linear sliding rails 62 are arranged in parallel at the top end in the horizontal arm shell 61; and the manual sliding block 5 is connected with the two linear sliding rails 62 in sliding mode.

[0061] A servo motor 63 is arranged in the horizontal arm shell 61 and is used for driving the electric sliding block 65 to displace;

[0062] A lead screw 64 is horizontally arranged in the horizontal arm shell 61 and is located in the middle of the two linear sliding rails 62; one end of the lead screw 64 is rotationally connected with the end face of the linear sliding rail 62, and the other end of the lead screw 64 is connected with the power output end of the servo motor 63.

[0063] An electric sliding block 65 is connected with the two linear sliding rails 62 in sliding mode, is connected with the transmission end of the lead screw 64, and is located at the end far away from the servo motor 63, and is used for mounting a surgical microscope (not shown in the figure).

[0064] The working principle of the utility model is as follows:

[0065] The surgical microscope is mounted at the bottom end of the electric sliding block 65, the electric sliding block 65 is adjusted to a suitable height through the electric lifting platform 2, the electric sliding block 65 is controlled to move in an arc shape and reciprocatingly stretch and retract through the speed reduction rotating module 4 and the horizontal arm 6, so that the surgical microscope is optically moved and adjusted to a surgical target; if the rotating direction of the horizontal arm 6 is suddenly touched accidentally during a surgical process, external force is resolved through the damping rotating shaft 412; if the stretching direction of the horizontal arm 6 is suddenly touched accidentally during a surgical process, external force is resolved through the manual sliding block 5.

[0066] In conclusion, the utility model has the advantages that:

[0067] 1. By setting up the stand column, the speed reduction rotating module, the manual sliding block and the cross arm, the top end of the manual sliding block is slidably connected with the linear slide rail of the cross arm, the bottom end is connected with the speed reduction rotating module, and the speed reduction rotating module is rotatably connected with the stand column; so that the speed reduction rotating module can rotate through the manual sliding block linkage cross arm, the servo motor of the cross arm displaces the electric sliding block on the linear slide rail through the screw linkage, that is, the electric sliding block realizes the arc-shaped and telescopic movement controlled by the electric motor, and the electric sliding block is used for installing the surgical microscope, so as to facilitate the flexible movement of the surgical microscope to the required position; and the cross arm is installed on the speed reduction rotating module through the manual sliding block, and an appropriate counterweight is arranged at the opposite end of the electric sliding block for installing the surgical microscope, so as to reduce the risk of tilting, and the counterweight block can be added on the cross arm as needed during specific implementation, so as to increase the gravity balance, and finally the controllability, flexibility, stability and accuracy of the surgical microscope are greatly improved.

[0068] 2. The step motor and the speed reducer are arranged in the speed reduction rotating module to rotate the cross arm, and the speed reduction rotating module is rotatably connected with the stand column through the damping shaft, that is, the cross arm can be rotatable by the electric motor and manually; the manual sliding block and the electric sliding block are slidably connected on the linear slide rail of the cross arm, only the electric sliding block is connected with the transmission end of the screw, that is, the electric sliding block can be controlled by the electric motor through the servo motor, and the position of the cross arm can be adjusted forward and backward through the manual sliding block to link the electric sliding block to realize the telescopic movement; that is, the rotation and telescopic movement of the electric sliding block have two modes of electric and manual, which can be selected as needed, and if the electric control process is accidentally touched, the force can be resolved through the manual rotation and telescopic movement structure (damping shaft, manual sliding block), so as to avoid damaging the electric structure, and finally the flexibility and reliability of the surgical microscope are greatly improved.

[0069] Although the specific embodiments of the present application are described above, those skilled in the art should understand that the specific embodiments described are only illustrative, and are not intended to limit the scope of the present application, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present application should be covered within the scope of the claims of the present application.

Claims

1. A polar coordinate sliding bolster type reciprocating horizontal arm for an operating microscope, characterized in that: include: A base; An electric lifting platform is located at the top of the base; A column is vertically connected to the lifting end of the electric lifting platform; A deceleration and rotation module is rotatably connected at its bottom to the top of the column; A manual slider, the bottom end of which is connected to the top end of the deceleration rotation module; A horizontal arm is slidably connected to the manual slider; The cross arm includes: A transverse arm housing; A pair of linear slide rails are arranged parallel to each other at the top of the inside of the cross arm housing; the manual slider is slidably connected to the two linear slide rails. A servo motor is located inside the crossarm housing; A lead screw is horizontally positioned inside the cross arm housing, located between the two linear slide rails. One end is rotatably connected to the end face of the linear slide rail, and the other end is connected to the power output end of the servo motor. An electric slider is slidably connected to the two linear guide rails, connected to the drive end of the lead screw, and located at the end away from the servo motor.

2. The polar coordinate sliding bolster type reciprocating horizontal arm for an operating microscope as described in claim 1, characterized in that: The deceleration and rotation module includes: A rotary gear motor sleeve has a gear motor compartment at the top and a damping rotary shaft at the bottom; the rotary gear motor sleeve is rotatably connected to the column through the damping rotary shaft; A stepper motor is located inside the geared motor compartment; A speed reducer is located inside the geared motor housing, with its input end connected to the output end of the stepper motor and its output end pointing vertically upward and extending out of the geared motor housing; A slewing cross roller bearing is located at the top of the shaft reduction motor sleeve; A horizontal arm polar coordinate origin turntable is located at the top of the rotary cross roller bearing and meshes with the rotary cross roller bearing, and its middle part is connected to the output end of the reducer.

3. The polar coordinate sliding bolster type reciprocating horizontal arm for an operating microscope as described in claim 1, characterized in that: The base has four casters at its bottom.

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