CN112451287A

CN112451287A - Projection positioning operating table

Info

Publication number: CN112451287A
Application number: CN202011427705.3A
Authority: CN
Inventors: 梁国彦; 昌耘冰
Original assignee: Guangdong General Hospital
Current assignee: Guangdong General Hospital
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-09

Abstract

The invention provides a projection positioning operating table, which comprises: an operating bed; the support assembly comprises a moving box, a vertical shaft and a cross beam, the moving box is movably arranged on the side surface of the operating bed, the moving direction of the moving box is parallel to the bed surface of the operating bed, the vertical shaft is arranged on the moving box, and the cross beam is vertically connected with the vertical shaft; the projector is arranged on the cross beam and located above the operating table, and the projection direction of the projector faces the operating table. The patient lies on the operating table, the projector can project the skeleton image shot by the X-ray fluoroscopy instrument to the corresponding part of the patient, so that a doctor is helped to quickly determine the operation position, the operation efficiency is improved, and the operation risk is reduced; the movable box can move along the edge of the operating table, the projector is pushed to the position approximately corresponding to the operation position, the operation range suitable for the projection positioning operating table can be enlarged, and the movable box can be suitable for cervical vertebra operations and lumbar vertebra operations.

Description

Projection positioning operating table

Technical Field

The invention relates to the technical field of medical instruments, in particular to a projection positioning operating table.

Background

In an orthopedic surgery, for example, in a spinal surgery, in order to determine a surgical position, a doctor needs to lay an iron net on a patient body, then use an X-ray fluoroscope to take a skeleton image, find out an iron net lattice corresponding to the surgical position, and then mark the human body corresponding to the iron net lattice, so that the operation efficiency is low, the iron net may accidentally shift during the operation process to make mistakes, and the surgical risk caused by the deviation of the surgical position is easily generated.

Therefore, there is also a need to provide a new projection positioning table to solve the above problems.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a projective positioning surgical table that can help a doctor quickly determine a surgical position.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a projective positioning surgical table, comprising: an operating bed; the support assembly comprises a moving box, a vertical shaft and a cross beam, the moving box is movably arranged on the side surface of the operating bed, the moving direction of the moving box is parallel to the bed surface of the operating bed, the vertical shaft is arranged on the moving box, and the cross beam is vertically connected with the vertical shaft; the projecting apparatus, install in the crossbeam, the projecting apparatus is located the top of operation table, the projection direction orientation of projecting apparatus the operation table.

Preferably, the vertical shaft is movably installed in the movable box, a moving direction of the vertical shaft is perpendicular to a bed surface of the operating table, the cross beam is rotatably installed in the vertical shaft, a rotation axis of the cross beam is perpendicular to the bed surface of the operating table, the projector is movably installed on the cross beam, and the moving direction of the projector is parallel to a length direction of the cross beam.

Preferably, projection location operating table still includes first guide rail part, fixed axle and jack catch, first guide rail part is including the first guide rail and the first slider of mutually supporting, first guide rail install in the side of operation table, the length direction of first guide rail with the bed surface of operation table is parallel, move the case install in first slider, the fixed axle install in the side of operation table, the axis of fixed axle with the length direction of first guide rail is parallel, the jack catch install in move the case and be used for pressing from both sides tightly the fixed axle.

Preferably, projection location operating table still includes lift drive wheel and first hand wheel, the lift drive wheel rotationally install in remove the case, the lift drive wheel is equipped with the internal thread, the vertical axis is equipped with the external screw thread, the vertical axis wears to locate the lift drive wheel and with lift drive wheel screw-thread fit, first hand wheel rotationally install in remove the outside of case, first hand wheel passes through the drive mechanism drive the lift drive wheel rotates.

Preferably, the movable box includes bottom plate, roof and a plurality of curb plate, the both ends of curb plate respectively with the bottom plate with the roof is connected, the vertical axis is including screw thread portion, guide part and the supporting part that connects gradually, screw thread portion with lift drive wheel screw-thread fit, the roof is equipped with the confession the guiding hole that the guide part passed, the guiding hole is the dysmorphism hole, the cross sectional shape of guide part with the dysmorphism hole matches, the supporting part with the crossbeam is connected.

Preferably, projection location operating table is still including rotating spacing seat, rotate spacing seat fixed mounting in the top of vertical axis, the crossbeam is located rotate the top of spacing seat, it is equipped with first protruding muscle and second protruding muscle to rotate spacing seat, the length direction of first protruding muscle with the moving direction of removal case is perpendicular, the length direction of second protruding muscle with the length direction of first protruding muscle forms the contained angle, the contained angle is the obtuse angle.

Preferably, the projection location operating table still includes locking Assembly, locking Assembly includes buckle spare and spring, buckle spare rotationally install in rotate spacing seat, the one end of buckle spare is equipped with the buckle, it is equipped with the buckle hole to rotate spacing seat, the spring is used for the drive buckle spare rotates so that the buckle is followed the buckle hole exposes, the orientation of crossbeam one side of rotating spacing seat is equipped with the draw-in groove, works as the length direction of crossbeam with when the moving direction of movable box is perpendicular, the buckle with the cell wall block of draw-in groove.

Preferably, projection location operating table still includes lead screw, lateral shifting part and second hand wheel, the lead screw rotationally install in the crossbeam, the lateral shifting part be equipped with lead screw complex screw, the lateral shifting part with the projecting apparatus is connected, the second hand wheel is located the outside of crossbeam and with screw connection.

Preferably, the projection location operating table still includes second guide rail part, second guide rail part includes second guide rail and the second slider of mutually supporting, the second guide rail install in keeping away from of crossbeam one side of operation table, lateral shifting part includes movable block and coupling frame, the movable block with the second slider is connected, the movable block is equipped with the screw, the coupling frame cover is located the crossbeam, the movable block with the medial surface of coupling frame is connected, the projector with one side that is close to of coupling frame the operation table is connected.

Preferably, the projection positioning operating table further comprises an adjusting module, two ends of the adjusting module are respectively connected with the beam and the projector, and the adjusting module is used for adjusting the spatial position of the projector relative to the operating table.

Compared with the prior art, the invention mainly has the following beneficial effects:

the patient lies on the operation bed, the projector can project the skeleton image shot by the X-ray fluoroscopy instrument to the corresponding part of the patient, so that a doctor is helped to quickly determine the operation position, and the operation efficiency is improved and the operation risk is reduced; the movable box can be along the edge of operation table removes, will the projecting apparatus promotes to the position that roughly corresponds with the operation position, can enlarge the operation scope that projection location operating table is suitable for, for example can be applicable to cervical vertebra operation and lumbar vertebrae operation.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic view of a projection positioning table in accordance with the present invention;

FIG. 2 is an exploded view of a projection positioning surgical table in accordance with the present invention;

fig. 3 is an exploded view of the cross beam, rotation limiting seat and locking assembly of the present invention.

Reference numerals:

100-projection positioning operating table, 10-operating table, 11-mounting plate, 12-first guide rail, 13-first sliding block, 14-fixed shaft, 15-sliding plate, 21-moving box, 211-bottom plate, 212-top plate, 2121-guide hole, 213-side plate, 22-vertical shaft, 221-thread part, 222-guide part, 223-support part, 23-cross beam, 231-clamping groove, 30-projector, 40-clamping jaw, 41-upper clamping arm, 411-clamping groove, 42-lower clamping arm, 43-elastic part, 51-lifting driving wheel, 511-mounting part, 512-belt wheel part, 52-first hand wheel, 53-transmission shaft, 54-transmission belt wheel, 61-rotation limiting seat, 611-first convex rib, 612-a second convex rib, 613-a clamping hole, 62-a locking component, 621-a clamping component, 6211-a clamping buckle, 622-a spring, 71-a transverse moving component, 711-a moving block, 7111-a bulge, 712-a connecting frame, 72-a lead screw, 73-a second hand wheel, 74-a second guide rail, 75-a second sliding block, 76-a cover plate and 80-an adjusting module.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Fig. 1 is a schematic diagram of a projection positioning table 100 according to the present invention; fig. 2 is an exploded view of the projection positioning table 100 of the present invention. The operating bed 10 is omitted in fig. 2.

As shown in fig. 1 to 2, a projection positioning surgical table 100 according to a preferred embodiment of the present invention includes: the surgical bed 10, the support assembly, the projector 30, the first guide rail 12, the fixed shaft 14, the claw 40, the lifting driving wheel 51, the first hand wheel 52, the rotation limiting seat 61, the locking assembly 62, the lead screw 72, the transverse moving component 71, the second hand wheel 73, the second guide rail 74, the cover plate 76 and the adjusting module 80.

The support assembly comprises a moving box 21, a vertical shaft 22 and a cross beam 23, the moving box 21 is movably arranged on the side surface of the operating bed 10, the moving direction of the moving box 21 is parallel to the bed surface of the operating bed 10, the vertical shaft 22 is arranged on the moving box 21, and the cross beam 23 is vertically connected with the vertical shaft 22; the projector 30 is attached to the cross member 23, the projector 30 is positioned above the operation table 10, and the projection direction of the projector 30 is directed toward the operation table 10.

In this embodiment, a patient lies on the operating table 10, and the projector 30 can project a bone image taken by the X-ray fluoroscopy onto a corresponding portion of the patient, so as to help a doctor to quickly determine an operation position, which is beneficial to improving operation efficiency and reducing operation risk; the movable box 21 can move along the edge of the operating table 10, and pushes the projector 30 to a position approximately corresponding to the operation position, so that the operation range of the projection positioning operating table 100 can be expanded, and the operation range can be applied to cervical vertebra operation and lumbar vertebra operation, for example.

The operating bed 10 is used for the patient to lie down. The operation table 10 according to the embodiment can be reinforced based on the existing operation table 10, for example, a mounting plate 11 and a reinforcing rib are added on the side surface of the operation table 10 to provide sufficient structural support strength for a support assembly and other mechanisms. The length direction of the operating table 10 may be an X-axis direction, the width direction of the operating table 10 may be a Y-axis direction, a direction perpendicular to the bed surface of the operating table 10 may be a Z-axis direction, and the X-axis direction, the Y-axis direction, and the Z-axis direction may form a spatial rectangular coordinate system. With reference to the operation table 10, the position of the projector 30 in the X-axis direction, the Y-axis direction, and the Z-axis direction can be adjusted.

The projector 30 is used to project the bone image obtained by the X-ray fluoroscopy onto the corresponding part of the patient. The bone images taken by the X-ray fluoroscopy may be transmitted to an image processor which converts the bone images into data information that may be used by the projector 30 for projection. The projector 30 may employ existing technologies.

In some examples, a target point may be set at a portion to be operated on the patient, a bone image containing the target point is obtained by the X-ray fluoroscopy, the bone image containing the target point is projected onto the portion corresponding to the patient by the projector 30, the target point in the image coincides with the target point on the patient, the projected bone image corresponds to the bone of the patient, and the doctor may mark the operation position on the patient according to the projection. With the help of the projection positioning operation table 100, a doctor can sequentially perform a series of work such as projection, marking, operation and the like, the operation efficiency is high, and the reduction of operation risks is facilitated.

The support assembly comprises a moving box 21, a vertical shaft 22 and a cross beam 23, the moving box 21 is movably arranged on the side surface of the operating table 10, the moving direction of the moving box 21 is parallel to the bed surface of the operating table 10, the vertical shaft 22 is arranged on the moving box 21, and the cross beam 23 is vertically connected with the vertical shaft 22. The moving box 21 can move along the edge of the operating table 10. The vertical shaft 22 is used to support the cross beam 23, the vertical shaft 22 is not necessarily straight, and the vertical shaft 22 may have a curved shape. Preferably, the axis of the vertical shaft 22 is perpendicular to the bed surface of the operating bed 10. The beam 23 is used to support the projector 30. Preferably, the cross beam 23 is parallel to the bed surface of the operating bed 10. The movable box 21 is movable in the X-axis direction, and the position of the projector 30 in the X-axis direction can be adjusted.

The vertical shaft 22 is movably installed on the moving box 21, the moving direction of the vertical shaft 22 is perpendicular to the bed surface of the operating table 10, the cross beam 23 is rotatably installed on the vertical shaft 22, the rotation axis of the cross beam 23 is perpendicular to the bed surface of the operating table 10, the projector 30 is movably installed on the cross beam 23, and the moving direction of the projector 30 is parallel to the length direction of the cross beam 23. Thus, the vertical shaft 22 can move up and down with reference to the operation table 10, thereby adjusting the height of the projector 30; the beam 23 can be rotated on a horizontal plane, thereby adjusting the position of the projector 30; the projector 30 can be moved along the length direction of the cross beam 23 so that an optimum projection position corresponding to the surgical site can be obtained. Crossbeam 23 can rotate on the horizontal plane, in some cases, can move projecting apparatus 30 to the side of operation table 10 to vacate the space above operation table 10, in order to conveniently to move patient on operation table 10, also make things convenient for the doctor to remove projecting apparatus 30 in order to carry out the operation after marking the operation position. The vertical axis 22 is movable in the Z-axis direction, and the position of the projector 30 in the Z-axis direction can be adjusted.

The first guide rail 12 comprises a first guide rail 12 and a first sliding block 13 which are matched with each other, the first guide rail 12 is installed on the side surface of the operating table 10, the length direction of the first guide rail 12 is parallel to the bed surface of the operating table 10, the moving box 21 is installed on the first sliding block 13, the fixing shaft 14 is installed on the side surface of the operating table 10, the axis of the fixing shaft 14 is parallel to the length direction of the first guide rail 12, and the claw 40 is installed on the moving box 21 and used for clamping the fixing shaft 14. The first guide rail 12 may be mounted to a mounting plate 11 on a side surface of the operating table 10, and a plurality of first guide rails 12 may be provided on the mounting plate 11, and a plurality of first sliders 13 may be provided on each first guide rail 12, so as to improve the structural strength of the guide. The first guide rail 12 may be a T-shaped linear guide rail to improve the structural strength of the side mount. The moving box 21 is attached to the first slider 13, and the moving box 21 can move along the guide direction of the first guide rail 12. In operation, the carriage 21 may be manually pushed to position the projector 30 generally in alignment with the surgical site, e.g., the projector 30 is aligned with the cervical spine or the lumbar spine. After the projector 30 reaches the predetermined position, the claws 40 are operated to cause the claws 40 to clamp the fixed shaft 14, thereby locking the position of the moving box 21 and preventing the projector 30 from moving accidentally. In some cases, an electric driving mechanism, such as a driving mechanism including a motor and a lead screw transmission mechanism, may be provided on the mounting plate 11 to drive the moving box 21 to move through the lead screw. In the present embodiment, the movable box 21 is configured to be manually driven, which is advantageous in that the distribution range of the human skeletal system is large, for example, half a meter may be separated from the cervical vertebrae to the caudal vertebrae, the speed of manual driving is fast, the screw transmission takes a long time and may generate noise of electric driving, which interferes with the environment of the surgical operation. Moreover, the doctor can adjust the position of the movable box 21 according to the operation requirement, which is beneficial to improving the efficiency of operation preparation work. Two first guide rails 12 are provided on the mounting plate 11, and a fixed shaft 14 is provided between the two first guide rails 12. This can improve the stability of the position of the lock moving box 21. The jaw 40 includes an upper clamp arm 41, a lower clamp arm 42, an elastic member 43, and an elastic piece. The upper clamping arm 41 and the lower clamping arm 42 are rotatably mounted on the movable box 21, the upper clamping arm 41 and the lower clamping arm 42 are respectively provided with a clamping slot 411, the clamping slot 411 of the upper clamping arm 41 and the clamping slot 411 of the lower clamping arm 42 are oppositely arranged, the elastic member 43 is connected with the upper clamping arm 41 and the lower clamping arm 42, and the elastic member 43 is used for driving the upper clamping arm 41 or the lower clamping arm 42 to rotate so as to close the clamping slot 411 of the upper clamping arm 41 and the clamping slot 411 of the lower clamping arm 42, so as to clamp the fixed shaft 14. The elastic member 43 may be a spring, and is disposed between the upper arm 41 and the lower arm 42 and connected to one ends of the upper arm 41 and the lower arm 42 away from the clamping slot 411. The elastic piece is disposed at the bottom of the clamping groove 411 for contacting the fixed shaft 14, which can improve the stability of clamping the fixed shaft 14. The elastic piece may be made of rubber and adhered to the bottom of the clamping groove 411.

The lifting driving wheel 51 is rotatably installed on the movable box 21, the lifting driving wheel 51 is provided with an internal thread, the vertical shaft 22 is provided with an external thread, the vertical shaft 22 penetrates through the lifting driving wheel 51 and is in threaded fit with the lifting driving wheel 51, the first hand wheel 52 is rotatably installed on the outer side of the movable box 21, and the first hand wheel 52 drives the lifting driving wheel 51 to rotate through the transmission mechanism. An operator rotates the first hand wheel 52 to drive the lifting driving wheel 51 to rotate, and the lifting driving wheel 51 rotates to drive the vertical shaft 22 to move up and down based on the principle of screw transmission, so as to adjust the height of the projector 30. The movable box 21 has a containing cavity, and the lifting driving wheel 51 and the transmission mechanism are arranged in the containing cavity. Alternatively, the transmission may comprise a gear transmission, a belt transmission or a chain transmission. Preferably, the transmission mechanism includes a transmission shaft 53, a transmission pulley 54 and a synchronous belt, the transmission shaft 53 is rotatably installed on the movable box 21, the first hand wheel 52 is connected with the transmission shaft 53, the transmission pulley 54 is sleeved on the transmission shaft 53 and is fixedly connected with the transmission shaft 53, the lifting driving wheel 51 includes an installation portion 511 and a pulley portion 512 which are connected with each other, the installation portion 511 is installed on the movable box 21 through a bearing, and the transmission pulley 54 is connected with the pulley portion 512 through the synchronous belt. The operator rotates the first hand wheel 52, drives the driving pulley 54 to rotate through the transmission shaft 53, and drives the elevating driving wheel 51 to rotate through the timing belt 54, thereby driving the vertical shaft 22 to move up and down. Compared with a gear transmission mechanism, the belt transmission mechanism has lighter weight, and the burden of the guide mechanism can be reduced.

The movable box 21 comprises a bottom plate 211, a top plate 212 and a plurality of side plates 213, two ends of each side plate 213 are respectively connected with the bottom plate 211 and the top plate 212, the vertical shaft 22 comprises a threaded portion 221, a guide portion 222 and a support portion 223 which are sequentially connected, the threaded portion 221 is in threaded fit with the lifting driving wheel 51, the top plate 212 is provided with a guide hole 2121 for the guide portion 222 to penetrate through, the guide hole 2121 is a special-shaped hole, the cross section of the guide portion 222 is matched with the special-shaped hole, and the support portion 223 is connected with the cross beam 23. The bottom plate 211, the top plate 212 and the plurality of side plates 213 are enclosed to form an accommodating cavity. The movable box 21 may be fixedly connected to the sliding plate 15, the sliding plate 15 is fixedly connected to the first slider 13, and the latch 40 is mounted to the sliding plate 15. The guide hole 2121 is a shaped hole, the cross-sectional shape of the guide portion 222 matches the shaped hole, and the guide hole 2121 is engaged with the guide portion 222 to prevent the vertical shaft 22 from rotating. The shaped hole may be a regular octagon. The base plate 211 may be provided with a mounting groove to which the bearing is mounted, and the mounting portion 511 of the elevating driving wheel 51 is coupled with an inner ring of the bearing. In some examples, the bottom plate 211 may be provided with a through hole through which the vertical shaft 22 passes.

The rotating limiting seat 61 is fixedly installed at the top of the vertical shaft 22, the cross beam 23 is located above the rotating limiting seat 61, the rotating limiting seat 61 is provided with a first convex rib 611 and a second convex rib 612, the length direction of the first convex rib 611 is perpendicular to the moving direction of the moving box 21, and the length direction of the second convex rib 612 and the length direction of the first convex rib 611 form an included angle which is an obtuse angle. The first rib 611 and the second rib 612 may define an angular range in which the cross member 23 rotates. In the first state, the side wall of the cross member 23 abuts against the first rib 611, and the length direction of the cross member 23 is perpendicular to the moving direction of the moving box 21, and the projector 30 is normally in the operating state. In the second state, another lateral wall of crossbeam 23 supports and leans on second protruding muscle 612, from first state to the second state, crossbeam 23 pivoted angle is greater than 90, and projecting apparatus 30 is located the outside of operation table 10 this moment, vacates the space above operation table 10 to on convenient with patient's removal to operation table 10, also make things convenient for the doctor to develop the operation after marking the operation position. In some examples, the included angle may be 120 °. In some cases, the first rib 611 and the second rib 612 may be replaced by positioning pins, but the first rib 611 and the second rib 612 are relatively conspicuous and easy for the operator to understand and observe.

Fig. 3 is an exploded view of the cross beam 23, rotation limiter block 61 and locking assembly 62 according to the present invention.

As shown in fig. 3, the locking assembly 62 includes a locking element 621 and a spring 622, the locking element 621 is rotatably mounted on the rotation limiting seat 61, a locking buckle 6211 is disposed at one end of the locking element 621, the rotation limiting seat 61 is disposed with a locking buckle hole 613, the spring 622 is configured to drive the locking element 621 to rotate so that the locking buckle 6211 is exposed from the locking buckle hole 613, a locking groove 231 is disposed on one side of the cross beam 23 facing the rotation limiting seat 61, and when the length direction of the cross beam 23 is perpendicular to the moving direction of the moving box 21, the locking buckle 6211 is locked with a groove wall of the locking groove 231. When the lateral wall of the beam 23 is attached to the first rib 611, the buckle 6211 is engaged with the slot wall of the slot 231, the buckle 6211 and the first rib 611 cooperate to lock the beam 23 in the first state, and the projector 30 can work, which is beneficial to improving the stability of projection positioning.

The screw 72 is rotatably mounted on the beam 23, the lateral moving member 71 is provided with a nut engaged with the screw 72, the lateral moving member 71 is connected to the projector 30, and the second handwheel 73 is provided on the outer side of the beam 23 and connected to the screw 72. The operator rotates the second hand wheel 73, and the screw 72 rotates to drive the lateral moving member 71 to move, so that the position of the projector 30 on the cross beam 23 can be adjusted. A second handwheel 73 may be provided at an end of the cross-beam 23 adjacent the vertical shaft 22 for ease of manipulation by the physician. In the first state, the lateral movement member 71 is movable in the Y-axis direction, and the position of the projector 30 in the Y-axis direction can be adjusted. In some examples, a motor may also be disposed on the cross beam 23, and the motor is connected to the lead screw 72 to drive the lead screw 72 to rotate.

The second guide rail 74 comprises a second guide rail 74 and a second slider 75 which are matched with each other, the second guide rail 74 is installed on one side, away from the operating table 10, of the cross beam 23, the transverse moving component 71 comprises a moving block 711 and a connecting frame 712, the moving block 711 is connected with the second slider 75, the moving block 711 is provided with a nut, the cross beam 23 is sleeved with the connecting frame 712, the moving block 711 is connected with the inner side face of the connecting frame 712, and the projector 30 is connected with one side, close to the operating table 10, of the connecting frame 712. The longitudinal direction of the second guide rail 74 is parallel to the longitudinal direction of the cross member 23. In the application scenario of the projection positioning operating table 100, the second guide rail 74 is mounted on the side of the cross beam 23 away from the operating table 10, and the projector 30 is connected to the second slider 75 through the connecting frame 712, so that the appearance of the cross beam 23 can be improved, and a doctor usually does not notice moving components mounted on the cross beam 23 during working, which is beneficial to avoiding disturbance of the doctor's attention. Further, the cross beam 23 is provided with an accommodating cavity, the second guide rail 74, the second slider 75 and the moving block 711 are located in the accommodating cavity, an opening is formed above the accommodating cavity, the cover plate 76 is connected with the cross beam 23 and covers the opening, two sides of the moving block 711 are respectively provided with a protrusion 7111, two sides of the cover plate 76 are respectively provided with an avoiding groove for exposing the protrusion 7111, and the connecting frame 712 is connected with the protrusion 7111. The cover plate 76 can hide parts in the housing cavity, and thus the appearance of the cross member 23 can be further improved.

Two ends of the adjusting module 80 are respectively connected with the cross beam 23 and the projector 30, and the adjusting module 80 is used for adjusting the spatial position of the projector 30 relative to the operating table 10. Specifically, the adjusting module 80 is connected to the connection frame 712. The adjustment module 80 is used to precisely adjust the position of the projector 30. The adjustment module 80 may be provided with multiple sliding tables, and each sliding table is provided with a micrometer for adjusting the position of the projector 30 in the X-axis direction, the Y-axis direction, and the Z-axis direction. The adjustment module 80 may also be provided with a turntable for adjusting the angle of rotation of the projector 30 about the X-axis, the Y-axis, or the Z-axis. The adjustment module 80 may employ existing techniques. In some examples, the adjustment module 80 may employ a manual slide of the type mislim, model number xyzlpg 60.

In this embodiment, a patient lies on the operating table 10, and the projector 30 can project a bone image taken by the X-ray fluoroscopy onto a corresponding portion of the patient, so as to help a doctor to quickly determine an operation position, which is beneficial to improving operation efficiency and reducing operation risk; the movable box 21 can move along the edge of the operating table 10, and pushes the projector 30 to a position approximately corresponding to the operation position, so that the operation range of the projection positioning operating table 100 can be expanded, and the operation range can be applied to cervical vertebra operation and lumbar vertebra operation, for example. In this embodiment, with the operating table 10 as a reference, the position of the projector 30 can be roughly adjusted by adjusting the positions of the moving box 21, the vertical shaft 22 and the transverse moving member 71, so that the projector 30 is approximately aligned with the surgical site on the patient; by manipulating the adjustment module 80, the position of the projector 30 can be precisely adjusted so that the projection of the projector 30 is further directed at the surgical site. In some examples, the projector 30 has an automatic alignment function during projection, the projector 30 is approximately aligned with a surgical site on a patient, the projector 30 can automatically adjust the projected position so that the target point in the projected image coincides with the target point on the patient, and the projected bone image corresponds to the bone of the patient.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. A projection positioning surgical table, comprising:

an operating bed;

the support assembly comprises a moving box, a vertical shaft and a cross beam, the moving box is movably arranged on the side surface of the operating bed, the moving direction of the moving box is parallel to the bed surface of the operating bed, the vertical shaft is arranged on the moving box, and the cross beam is vertically connected with the vertical shaft;

the projecting apparatus, install in the crossbeam, the projecting apparatus is located the top of operation table, the projection direction orientation of projecting apparatus the operation table.

2. The projection positioning surgical table of claim 1,

the vertical shaft is movably arranged in the movable box, the moving direction of the vertical shaft is perpendicular to the bed surface of the operating bed, the cross beam is rotatably arranged in the vertical shaft, the rotation axis of the cross beam is perpendicular to the bed surface of the operating bed, the projector is movably arranged in the cross beam, and the moving direction of the projector is parallel to the length direction of the cross beam.

3. The projection positioning surgical table of claim 2,

still include first guide rail part, fixed axle and jack catch, first guide rail part is including the first guide rail and the first slider of mutually supporting, first guide rail install in the side of operation table, the length direction of first guide rail with the bed surface of operation table is parallel, remove the case install in first slider, the fixed axle install in the side of operation table, the axis of fixed axle with the length direction of first guide rail is parallel, the jack catch install in remove the case and be used for pressing from both sides tightly the fixed axle.

4. The projection positioning surgical table of claim 3,

still include lift drive wheel and first hand wheel, the lift drive wheel rotationally install in remove the case, the lift drive wheel is equipped with the internal thread, the vertical axis is equipped with the external screw thread, the vertical axis wears to locate the lift drive wheel and with lift drive wheel screw-thread fit, first hand wheel rotationally install in the outside of removing the case, first hand wheel passes through the drive mechanism drive the lift drive wheel rotates.

5. The projection positioning surgical table of claim 4,

the movable box includes bottom plate, roof and a plurality of curb plate, the both ends of curb plate respectively with the bottom plate with the roof is connected, the vertical axis is including screw thread portion, guide part and the supporting part that connects gradually, screw thread portion with lift drive wheel screw-thread fit, the roof is equipped with the confession the guiding hole that the guide part passed, the guiding hole is the dysmorphism hole, the shape of cross section of guide part with the dysmorphism hole matches, the supporting part with the crossbeam is connected.

6. The projection positioning surgical table of claim 2,

still including rotating spacing seat, rotate spacing seat fixed mounting in the top of vertical axis, the crossbeam is located rotate the top of spacing seat, it is equipped with first protruding muscle and second protruding muscle to rotate spacing seat, the length direction of first protruding muscle with the moving direction of removal case is perpendicular, the length direction of second protruding muscle with the length direction of first protruding muscle forms the contained angle, the contained angle is the obtuse angle.

7. The projection positioning surgical table of claim 6,

the locking assembly comprises a buckling part and a spring, the buckling part is rotatably installed on the rotating limiting seat, a buckle is arranged at one end of the buckling part, a buckle hole is formed in the rotating limiting seat, the spring is used for driving the buckling part to rotate so that the buckle is exposed out of the buckle hole, a clamping groove is formed in one side, facing the rotating limiting seat, of the cross beam, and when the length direction of the cross beam is perpendicular to the moving direction of the moving box, the buckle is clamped with the groove wall of the clamping groove.

8. The projection positioning surgical table of claim 2,

the projector is characterized by further comprising a lead screw, a transverse moving component and a second hand wheel, wherein the lead screw is rotatably installed on the cross beam, the transverse moving component is provided with a nut matched with the lead screw, the transverse moving component is connected with the projector, and the second hand wheel is arranged on the outer side of the cross beam and connected with the lead screw.

9. The projection positioning surgical table of claim 8,

the transverse moving component comprises a moving block and a connecting frame, the moving block is connected with the second sliding block, the moving block is provided with the screw, the connecting frame is sleeved on the cross beam, the moving block is connected with the inner side face of the connecting frame, and the projector is connected with one side, close to the operating table, of the connecting frame.

10. The projection positioning surgical table of any of claims 1 to 9,

still include the adjustment module, the both ends of adjustment module respectively with the crossbeam with the projecting apparatus is connected, the adjustment module is used for adjusting the projecting apparatus for the spatial position of operation table.