CN115607280A - Calibration plate fixing device - Google Patents

Abstract

The invention relates to a calibration plate fixing device, which solves the technical problems that when a mobile C-shaped arm X-ray machine shoots a CT image in the existing spinal and bone trauma magnetic navigation operation system, a calibration plate is adhered below an X-ray emission source in the mobile C-shaped arm X-ray machine by using an adhesive tape, the operation is troublesome, the positioning is inaccurate, a space positioner is fixed on a support supported on the ground, and the operation is inconvenient, the consumed time is long, the efficiency is low and the positioning is inaccurate when the support is moved to adjust the position of the space positioner; the correction plate positioning device is connected with the flat plate.

Description

Calibration plate fixing device

Technical Field

The invention relates to the technical field of magnetic navigation operation systems, in particular to a calibration plate fixing device.

Background

Spinal column and bone wound magnetic navigation operation system is neotype treatment of operation scheme of treatment spinal column and bone wound surgery disease, can help the more outstanding completion of doctor all kinds of surgical operation. For example, in an orthopedic surgery robot, referring to the chinese patent application with publication number CN112716603A and the invention patent with publication number 201310700436.7, in the operation process of leg bone fracture reduction, a magnetic navigation system can be used to perform three-dimensional reconstruction on a CT or MRI two-dimensional image of a leg bone, to establish a three-dimensional model of the leg bone, and a probe and a six-degree-of-freedom reference tool are used to position the leg bone, to complete the association between the leg bone and the three-dimensional model. Magnetic navigation system can significantly reduce complicated bone surgery's risk, bone surgery utilizes navigation system to formulate operation plan and intraoperative navigation before the art, can track the surgical instruments in the operation process to with the image of surgical instruments position before the patient or in the art update in real time and show, let the operation doctor know the relation of surgical instruments's position and sick anatomical structure at any time, obtain the navigation help again simultaneously, so make the process of operation more accurate.

The patent application with the reference application publication number of CN114748084A and the name of the patent application is a Chinese invention patent application which affects the guide treatment system and is used for moving a C-shaped arm, and the utility model patent with the publication number of CN217488682U, when the CT image is shot by the existing mobile C-shaped arm X-ray machine, a correcting plate and a space locator are used (for the function of the space locator, the invention application with the application publication number of CN112190333A can be referred), the correcting plate is adhered below an X-ray emission source in the mobile C-shaped arm X-ray machine by an adhesive tape, and the problems of troublesome operation and inaccurate positioning exist; the correcting plate is provided with a plurality of steel balls, the space positioner is also provided with a plurality of steel balls, the space positioner and the correcting plate are matched for use, the space positioner and the correcting plate are arranged oppositely, a patient bone is positioned below the space positioner, two imaging pictures of the positive position and the side position of the patient bone are shot, a three-dimensional image of the bone to be shot is formed on equipment to be registered by taking the positions of the steel balls on the correcting plate and the space positioner as the basis, a three-dimensional image basis is provided for the subsequent operation, and the operation of a doctor is facilitated. The positioning of the space positioner is carried out through another support, the support is supported on the ground, the position of the space positioner is adjusted by moving the support so as to be matched with the correction plate, the positioning process of the visible space positioner is inconvenient to operate, long in time consumption, low in efficiency and inaccurate in positioning.

Disclosure of Invention

The invention provides a calibration plate fixing device which is convenient to operate, short in time consumption of a positioning process and accurate in positioning, and aims to solve the technical problems that when a movable C-shaped arm X-ray machine shoots a CT image, a calibration plate is stuck below an X-ray emission source in the movable C-shaped arm X-ray machine by using an adhesive tape, the operation is troublesome, the positioning is inaccurate, a space positioner is fixed on a support supported on the ground, and the operation is inconvenient, the time consumption is long, the efficiency is low and the positioning is inaccurate when the support is moved to adjust the position of the space positioner.

The invention provides a calibration plate fixing device which comprises a flat plate, a telescopic mechanism, a space locator clamp, a calibration plate positioning device, a locking device, a first clamping piece assembly body and a second clamping piece assembly body, wherein the telescopic mechanism is fixedly connected with the bottom surface of the flat plate; the correction plate positioning device is connected with the flat plate;

the first clamping piece assembly comprises a handle, a left clamping plate, a right clamping plate, a rear clamping plate, a right corner connecting piece, a left corner connecting piece, a first rear sliding plate, a second rear sliding plate, a left end sliding plate and a right end sliding plate, wherein the handle is fixedly connected with the rear clamping plate;

the second clamping piece assembly comprises a handle, a rear clamping plate, a left clamping plate, a right clamping plate, a left tail end sliding plate, a right tail end sliding plate, a first rear sliding plate and a second rear sliding plate, wherein a sliding hole is formed in the lower end of the right tail end sliding plate;

the locking device comprises four unidirectional spring clamp assemblies and two bidirectional spring clamp assemblies; the one-way spring clamp assembly comprises a spring, a split washer, a guide shaft and a base, wherein the base is provided with an accommodating groove, the rear end of the base is provided with a rear shaft hole, the front end of the base is provided with a front shaft hole, the rear end of the guide shaft is provided with a blocking part, the front end of the guide shaft is provided with a check ring connecting groove, the guide shaft penetrates through the rear shaft hole and then penetrates out of the front shaft hole, the spring is sleeved on the guide shaft, the split washer is connected with the check ring connecting groove of the guide shaft, the split washer is positioned outside the base, the blocking part is positioned outside the base, the guide shaft and the spring are positioned in the accommodating groove of the base, and the rear end of the spring abuts against the rear wall of the accommodating groove; the base is fixedly connected with the flat plate;

the two bidirectional spring clamp assemblies are respectively a first bidirectional spring clamp assembly and a second bidirectional spring clamp assembly; the first bidirectional spring clamp assembly comprises a base, a left spring, a right spring, a guide shaft and a split washer, wherein a washer connecting groove is formed in the right end of the guide shaft of the first bidirectional spring clamp assembly; the base of the first bidirectional spring clamp assembly body is fixedly connected with the flat plate; the second bidirectional spring clamp assembly comprises a base, a left spring, a right spring, a guide shaft and a split washer;

a guide shaft of the first bidirectional spring clamp assembly body passes through a sliding hole of a right tail end sliding plate in the second clamping piece assembly body, the guide shaft of the first bidirectional spring clamp assembly body passes through a sliding hole of a left tail end sliding plate in the first clamping piece assembly body, the right spring is positioned between the rear wall of the placing groove and the left tail end sliding plate of the first clamping piece assembly body, and the left spring is positioned between the front wall of the placing groove and the right tail end sliding plate of the second clamping piece assembly body; the left end sliding plate of the second clamping piece assembly body is sleeved on the guide shaft of the second bidirectional spring clamp assembly body, and the right end sliding plate of the first clamping piece assembly body is sleeved on the guide shaft of the second bidirectional spring clamp assembly body;

a guide shaft in one of the one-way spring clamp assembly bodies penetrates through a sliding hole of the first rear sliding plate in the first clamping piece assembly body, and the front end of a spring in the one-way spring clamp assembly body abuts against the first rear sliding plate of the first clamping piece assembly body; a rear sliding plate II of the first clamping piece assembly body is connected and matched with a second one-way spring clamp assembly body, and a rear sliding plate I and a rear sliding plate II of the second clamping piece assembly body are respectively connected and matched with the other two one-way spring clamp assembly bodies;

the flat plate is provided with a circular hole for accommodating the correction plate.

Preferably, the correction plate positioning device comprises two first support plates and two first clamping plates, the first support plates are provided with fixing parts, clamping plate connecting parts and correction plate positioning grooves, the fixing parts are provided with screw holes, the clamping plate connecting parts are provided with screw holes, the fixing parts are attached to the bottom surface of the flat plate, and screws penetrate through the screw holes of the fixing parts to be connected with the bottom surface of the flat plate through threaded structures; two first backup pads are arranged relatively, and first clamp plate is equipped with the screw hole.

Preferably, the left clamping plate, the right clamping plate and/or the rear clamping plate of the first clamping piece assembly are/is connected with a non-slip mat.

Preferably, the right clamping plate, the rear clamping plate and/or the left clamping plate of the second clamping piece assembly are/is connected with a non-slip mat.

Preferably, the correcting plate positioning device further comprises a second supporting plate and a second clamping plate, the second clamping plate is provided with a screw hole, the first supporting plate is provided with a second supporting plate connecting threaded hole, the second supporting plate is provided with a splicing groove, a slot, a correcting plate positioning groove and a clamping plate connecting portion, the splicing groove is provided with a screw hole, the clamping plate connecting portion of the first supporting plate is inserted into the slot of the second supporting plate, the correcting plate positioning groove of the first supporting plate is spliced with the splicing groove of the second supporting plate, and a screw penetrates through the screw hole in the splicing groove and then is connected with the second supporting plate connecting threaded hole in the first supporting plate.

Preferably, the telescopic mechanism comprises a first telescopic fixing plate, a second telescopic fixing plate, a butterfly nut and a first knurled hand-screwed screw, a through hole is formed in the upper end of the first telescopic fixing plate, the first telescopic fixing plate is provided with a sliding table and a limiting step, the second telescopic fixing plate is provided with a sliding groove and a limiting step, the sliding groove of the second telescopic fixing plate is provided with a screw position adjusting hole, a threaded hole is formed in the upper end of the second telescopic fixing plate, the sliding table of the first telescopic fixing plate is embedded into the sliding groove of the second telescopic fixing plate, the first knurled hand-screwed screw penetrates through the through hole in the upper end of the first telescopic fixing plate and then penetrates through the screw position adjusting hole, and the butterfly nut is connected with the first knurled hand-screwed screw; the flat plate is connected with a threaded hole at the upper end of the second telescopic fixing plate through a screw; the lower end of the first telescopic fixing plate is fixedly connected with the space locator clamp.

Preferably, the space locator clamp comprises a circular ring part with an opening, a connecting rod part, a first limiting part, a second limiting part and a third limiting part, wherein the connecting rod part is provided with a first waist-shaped hole and a second waist-shaped hole;

the lower end of the first telescopic fixing plate is provided with a first lower threaded hole and a second lower threaded hole, and two knurled hand-screwed screws penetrate through the first waist-shaped hole and the second waist-shaped hole of the space locator clamp and are connected with the first lower threaded hole and the second lower threaded hole at the lower end of the first telescopic fixing plate.

The invention has the advantages of simple operation, convenient assembly and disassembly, and high-efficiency cooperation, helps doctors determine the real-time effect of the operation, provides a prepared image for the next operation of the doctors, and ensures the efficient and accurate completion of the operation.

Utilize calibration plate fixing device to fix on portable C shape arm X-ray machine, can make the doctor carry out CT in real time to patient's operation situation and shoot at the actual operation in-process, confirm the operation effect, guarantee the accurate nature of operation, supplementary doctor accomplishes the operation, reduces the operation risk, improves work efficiency. The invention is used in cooperation with an electromagnetic navigation system, and the navigation system controls the mechanical arm to move to perform surgical operation, thereby realizing high-precision surgery.

Further features of the invention will be apparent from the description of the embodiments which follows.

Drawings

FIG. 1 is a schematic view of the calibration plate fixture of the present invention;

FIG. 2 is a top view of the calibration plate fixture of FIG. 1;

FIG. 3 is a bottom view of the calibration plate fixture of FIG. 1;

fig. 4 is a schematic structural view of the first clip assembly of fig. 1;

FIG. 5 is an exploded view of the structure shown in FIG. 4;

FIG. 6 is a schematic structural view of the one-way spring clamp assembly of FIG. 1;

FIG. 7 is a top view of the structure shown in FIG. 6;

figure 8 is an exploded view of the one-way spring clamp assembly of figure 6;

FIG. 9 is a schematic structural view of the bi-directional spring clamp assembly of FIG. 1;

FIG. 10 is a top view of the structure shown in FIG. 9;

FIG. 11 is an exploded view of the structure shown in FIG. 9;

FIG. 12 is an enlarged fragmentary view of the bi-directional spring clamp mounting body portion of FIG. 1;

FIG. 13 is a schematic view of the arrangement of FIG. 12, showing the right end slide plate of the second clip assembly in mating engagement with the reversible spring clamp assembly;

FIG. 14 is an exploded view of the structure shown in FIG. 13;

FIG. 15 is a schematic view of the configuration of FIG. 12 showing the right end slide plate of the second clip assembly in mating engagement with the bi-directional spring clamp assembly;

FIG. 16 is a cross-sectional view in the direction indicated by the cross-sectional line in FIG. 15;

FIG. 17 is a schematic view of the connection of the second rear slide in the first clip assembly with the one-way spring clamp assembly;

fig. 18 is a schematic structural view of a first telescopic fixing plate;

FIG. 19 is a schematic view of a second telescoping securing plate;

FIG. 20 is a schematic view of the first and second telescoping securing plates assembled together;

FIG. 21 is a perspective view from another perspective of the structure shown in FIG. 20;

FIG. 22 is a schematic structural view of a space locator clamp;

FIG. 23 is a schematic view of the space locator clamp fixedly mounted on the first telescoping retaining plate;

fig. 24 is a schematic structural view of a first support plate;

fig. 25 is a front view of the first support plate shown in fig. 24;

fig. 26 is a rear view of the first support plate of fig. 24;

FIG. 27 is a schematic view of the structure of the first clamping plate;

FIG. 28 is a front view of the first clamping plate shown;

FIG. 29 is a schematic view of the structure of FIG. 1 with the 12 "corrector plate and spatial locator removed;

FIG. 30 is a top view of the structure shown in FIG. 29;

FIG. 31 is a bottom view of the structure shown in FIG. 29;

FIG. 32 is an isometric view of a 12 inch correction plate;

FIG. 33 is a schematic view of the calibration plate fixture attached to the mobile C-arm X-ray machine;

FIG. 34 is an isometric view of the second support plate;

FIG. 35 is a front view of the second support plate shown in FIG. 34;

FIG. 36 is a side view of the second support plate shown in FIG. 34;

FIG. 37 is a rear elevational view of the second support plate illustrated in FIG. 34;

FIG. 38 is an isometric view of a second clamping plate;

FIG. 39 is a front view of the second clamping plate;

FIG. 40 is a schematic view of a 9-inch correction plate;

fig. 41 is a schematic view of a structure in which a second support plate is mounted on a first support plate;

FIG. 42 is a top view of the structure shown in FIG. 41;

FIG. 43 is a bottom view of the structure shown in FIG. 41;

fig. 44 is a schematic view of a structure in which 9-inch correction plates are mounted on two second support plates.

The symbols in the drawings illustrate that:

1. the clamping piece assembly comprises a first clamping piece assembly body, a handle 1A, a right clamping plate 1B, a rear clamping plate 1C, a right corner connecting piece 1D, a right tail end sliding plate 1E, an anti-skid pad 1F, a rear sliding plate II 1G, a left clamping plate 1H, a left tail end sliding plate 1K, a sliding hole 1K-1, an anti-skid pad 1L, an anti-skid pad 1M, an anti-skid pad 1N, an anti-skid pad 1P, a left corner connecting piece 1R and a rear sliding plate I; 2. 2-1 parts of a first telescopic fixing plate, 2-2 parts of a through hole, 2-3 parts of a first lower threaded hole, 2-4 parts of a sliding table and 2-5 parts of a limiting step; 3. the device comprises a first telescopic fixing plate, a second telescopic fixing plate, 3-1 sliding grooves, 3-2 limiting steps, 3-3 threaded holes, 3-4 screw position adjusting holes, 4 space locator clamps, 4-1 circular rings with openings, 4-2 connecting rod parts, 4-3 waist-shaped holes I, 4-4 waist-shaped holes II, 4-5 first limiting parts, 4-6 second limiting parts, and 4-7 third limiting parts, wherein the first limiting parts are arranged on the first telescopic fixing plate; 5. the device comprises a space positioner, 6A unidirectional spring clamp assembly body, 6A springs, 6B split retainer rings, 6C guide shafts, 6D a base, 7 a first clamping plate, 7-1 screw holes, 8 a first supporting plate, 8-1 fixing parts, 8-1-1 screw holes, 8-2 clamping plate connecting parts, 8-2-1 screw holes, 8-3 correcting plate positioning grooves, 8-4 second supporting plate connecting threaded holes, 9.12 inches of correcting plates, 9-1 notches, 10 flat plates, 11.9 inches of correcting plates, 11-1 notches, 14 butterfly nuts, 15 first knurled hand screws, 16 bidirectional spring clamp assembly bodies, 16-1 base, 16-1-1 placing grooves, 16-1-2 left shaft holes, 16-1-3 right shaft holes, 16-2 left springs, 16-3 right springs, 16-4 guide shafts, 16-4-1, 16-4-2 split retainer rings and 5 split retainer rings; 17. a second clip assembly, 17-1 handle, 17-2 rear splint, 17-3 left splint, 17-4 right splint, 17-5 left end sliding plate, 17-6 right end sliding plate, 17-6-1 sliding hole, 18 second bidirectional spring clamp assembly; 19. a second knurled screw, 20. A third knurled screw, 21. An X-ray emission source; 22. the device comprises a second supporting plate, 22-1 splicing grooves, 22-1-1 screw holes, 22-2 slots, 22-3 correction plate positioning grooves, 22-4 clamping plate connecting parts, 23 second clamping plates and 23-1 screw holes.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments thereof.

As shown in fig. 1 to 3, the calibration plate fixing device includes a flat plate 10, a telescopic mechanism, a spatial locator fixture 4, a locking device, a calibration plate positioning device, a first clamping piece assembly 1 and a second clamping piece assembly 17, the telescopic mechanism is fixedly connected to the bottom surface of the flat plate 10, the spatial locator fixture is fixedly connected to the lower end of the telescopic mechanism, the locking device is installed on the top surface of the flat plate 10, and two sets of clamping piece assemblies, namely the first clamping piece assembly 1 and the second clamping piece assembly 17, are matched with the locking device. The correction plate positioning device is connected with the flat plate 10 and used for fixing and positioning the correction plate. The space locator clamp 4 is used for installing and locating the space locator. The first clip assembly 1 and the second clip assembly 17 are arranged oppositely for holding a C-arm X-ray machine.

As shown in fig. 4 and 5, the first clip assembly 1 includes a handle 1A, a left clip plate 1H, a right clip plate 1B, a rear clip plate 1C, a right corner connector 1D, a left corner connector 1P, a non-slip mat 1F, a rear slip plate two 1G, a rear slip plate one 1R, a left end slip plate 1K, a right end slip plate 1E, a non-slip mat 1L, a non-slip mat 1M, and a non-slip mat 1N, wherein the handle 1A is fixedly connected to the rear clip plate 1C by a screw, the left corner connector 1P is fixedly connected to the left end of the rear clip plate 1C by a screw, the left clip plate 1H is fixedly connected to the left corner connector 1P by a screw (i.e., the left clip plate 1H is fixedly connected to the rear clip plate 1C by the left corner connector 1P), the right corner connector 1D is fixedly connected to the right end of the rear clip plate 1 by a screw, the right clip plate 1B is fixedly connected to the right corner connector 1D by a screw (i.e., the right clip plate 1B is fixedly connected to the right end of the rear clip plate 1D), the left end sliding plate 1K is fixedly connected with the end of the left clamping plate 1H through a screw, the lower end of the left end sliding plate 1K is provided with a sliding hole 1K-1, the right end sliding plate 1E is fixedly connected with the end of the right clamping plate 1B through a screw, the lower end of the right end sliding plate 1E is also provided with a sliding hole, a first rear sliding plate 1R and a second rear sliding plate 1G are respectively fixedly connected with a first rear clamping plate 1C through a screw, the lower end of the first rear sliding plate 1R is provided with a sliding hole, the lower end of the second rear sliding plate 1G is provided with a sliding hole, a plurality of anti-slip pads 1N are connected with a second right clamping plate 1B, a plurality of anti-slip pads 1M are connected with a second rear clamping plate 1C, a plurality of anti-slip pads 1L are connected with a second rear clamping plate 1C, a plurality of anti-slip pads 1F are connected with a second rear clamping plate 1C, and a plurality of anti-slip pads 1F are also connected with a left clamping plate 1H.

The second clip assembly 17 has the same structure as the first clip assembly 1, and referring to fig. 1 and 27, the second clip assembly 17 comprises a handle 17-1, a rear clamp 17-2, a left clamp 17-3, a right clamp 17-4, a left end sliding plate 17-5, a right end sliding plate 17-6, a first rear sliding plate, a second rear sliding plate, a sliding hole 17-6-1 is formed at the lower end of the right end sliding plate 17-6, the handle 17-1 is fixedly connected with the rear clamp 17-2 through a screw, the left clamp 17-3 is fixedly connected with the rear clamp 17-2 through a left corner connecting member, the right clamp 17-4 is fixedly connected with the right end of the rear clamp 17-2 through a right corner connecting member, the left tail end sliding plate 17-5 is fixedly connected with the tail end of the left clamping plate 17-3 through screws, the lower end of the left tail end sliding plate 17-5 is provided with a sliding hole, the right tail end sliding plate 17-6 is fixedly connected with the tail end of the right clamping plate 17-4 through screws, the lower end of the right tail end sliding plate 17-6 is also provided with a sliding hole, the first rear sliding plate and the second rear sliding plate are fixedly connected with the rear clamping plate 17-2 through screws respectively, the lower end of the first rear sliding plate is provided with a sliding hole, the lower end of the second rear sliding plate is provided with a sliding hole, the right clamping plate 17-4 is connected with a plurality of anti-slip pads, the rear clamping plate 17-2 is connected with a plurality of anti-slip pads, and the left clamping plate 17-3 is connected with a plurality of anti-slip pads.

The locking device comprises four one-way spring clamp assemblies 6 and two-way spring clamp assemblies.

As shown in FIGS. 6-8, the one-way spring clamp assembly 6 comprises a spring 6A, a split retainer ring 6B, a guide shaft 6C and a base 6D, wherein the base 6D is provided with an accommodating groove 6D-3, the rear end of the base 6D is provided with a rear shaft hole 6D-1, the front end of the base 6D is provided with a front shaft hole 6D-2, the rear end of the guide shaft 6C is provided with a blocking part 6C-1, and the front end of the guide shaft 6C is provided with a retainer ring connecting groove 6C-2. The guide shaft 6C penetrates through the rear shaft hole 6D-1 and then penetrates out of the front shaft hole 6D-2, the spring 6A is sleeved on the guide shaft 6C and is clamped on the check ring connecting groove 6C-2 through the split check ring 6B, so that the split check ring 6B is connected with the front end of the guide shaft 6C, the split check ring 6B is located outside the base 6D, the blocking portion 6C-1 is located outside the base 6D, the guide shaft 6C and the spring 6A are located in the accommodating groove of the base 6D, and the rear end of the spring 6A abuts against the rear wall of the accommodating groove. The base 6D is fixedly mounted on the flat plate 10 by screws.

As shown in fig. 9-11, the first bidirectional spring clamp assembly 16 includes a base 16-1, a left spring 16-2, a right spring 16-3, a guide shaft 16-4, and a split washer 16-5, the right end of the guide shaft 16-4 is provided with a washer coupling slot 16-4-1, the left end of the guide shaft 16-4 is provided with a blocking portion 16-4-2, the base 16-1 is provided with a placement slot 16-1-1, the left end of the base 16-1 is provided with a left shaft hole 16-1-2, the right end of the base 16-1 is provided with a right shaft hole 16-1-3, the guide shaft 16-4 penetrates through the left shaft hole 16-1-2 of the base 16-1 and then penetrates through the right shaft hole 16-1-3, the split washer 16-5 is clamped in the washer coupling slot 16-4-1 of the guide shaft 16-4, the guide shaft 16-4 is positioned in the placement slot 16-1-1 of the base 16-1, the blocking portion 16-4-2 is positioned outside the base 16-1, and the split washer 16-5 is positioned outside the base 16-1; the left spring 16-2 is sleeved on the guide shaft 16-4, and the right spring 16-3 is sleeved on the guide shaft 16-4. The base 16-1 is fixedly connected with the flat plate 10 through screws.

As shown in fig. 12 to 16, when the right end sliding plate 17-6 of the second clip assembly 17 is assembled with the first bidirectional spring clamp assembly 16, the guide shaft 16-4 is inserted through the left shaft hole 16-1-2 of the base 16-1, the left spring 16-2 is then sleeved on the guide shaft 16-4, and then the guide shaft 16-4 is inserted through the sliding hole of the right end sliding plate 17-6 (i.e., the right end sliding plate 17-6 is sleeved on the guide shaft 16-4). After the assembly of the right end sliding plate 17-6 in the second clip assembly 17 is completed, the left end sliding plate 1K of the first clip assembly 1 is installed, the assembly method is that the left end sliding plate 1K is firstly sleeved on the guide shaft 16-4 (namely the guide shaft 16-4 penetrates through the sliding hole 1K-1 of the left end sliding plate 1K), then the right spring 16-3 is sleeved on the guide shaft 16-4, then the right end of the guide shaft 16-4 penetrates through the right shaft hole 16-1-3 of the base 16-1, and finally the split retainer ring 16-5 is connected with the retainer ring connecting groove 16-4-1 at the right end of the guide shaft 16-4. This allows the right spring 16-3 to be positioned between the left end slider plate 1K and the rear wall of the placement groove 16-1-1, the left spring 16-2 to be positioned between the front wall of the placement groove 16-1-1 and the right end slider plate 17-6, the left spring 16-2 to be compressed by the left movement of the right end slider plate 17-6, and the right spring 16-3 to be compressed by the right movement of the left end slider plate 1K.

Referring to fig. 1, a total of two bidirectional spring clamp assemblies are fixedly mounted on a flat plate 10, and a first bidirectional spring clamp assembly 16 and a second bidirectional spring clamp assembly 18 are oppositely arranged; the structure of the second bidirectional spring clamp assembly 18 is the same as that of the first bidirectional spring clamp assembly 16, the second bidirectional spring clamp assembly 18 comprises a base, a left spring, a right spring, a guide shaft and an open retainer ring, the right end of the guide shaft is provided with a retainer ring connecting groove, the left end of the guide shaft is provided with a blocking part, the base is provided with a placing groove, the left end of the base is provided with a left shaft hole, the right end of the base is provided with a right shaft hole, the guide shaft penetrates through the right shaft hole after penetrating through the left shaft hole of the base, the open retainer ring is clamped in the retainer ring connecting groove of the guide shaft, the guide shaft is positioned in the placing groove of the base, the blocking part is positioned outside the base, and the open retainer ring is positioned outside the base; the left spring is sleeved on the guide shaft, and the right spring is sleeved on the guide shaft. Similarly, the left end slide plate 17-5 of the second clip assembly 17 is connected to the second bidirectional spring clamp assembly 18 in the same manner as the right end slide plate 17-6 of the second clip assembly 17 is connected to the first bidirectional spring clamp assembly 16. The right end slide plate 1E of the first clip assembly 1 and the second bidirectional spring clamp assemblies 18 are connected in the same manner as the left end slide plate 1K of the first bidirectional spring clamp assembly 16 and the first bidirectional spring clamp assemblies 16. Firstly, a guide shaft of a second bidirectional spring clamp assembly body 18 penetrates through a left shaft hole of a base, then a left spring is sleeved on the guide shaft, then the guide shaft penetrates through a sliding hole of a left end sliding plate 17-5, then the guide shaft penetrates through a sliding hole of a right end sliding plate 1E, then a right spring is sleeved on the guide shaft, then the right end of the guide shaft penetrates through a right shaft hole of the base, and finally a split retainer ring is connected with a retainer ring connecting groove at the right end of the guide shaft.

As shown in fig. 17, when the first clip assembly 1 and the one-way spring clip assembly 6 are assembled together, the guide shaft 6C of the one-way spring clip assembly 6 is inserted through the rear shaft hole 6D-1, the spring 6A is fitted over the guide shaft 6C from the front end of the guide shaft 6C, the front end of the guide shaft 6C is inserted through the sliding hole of the rear slider plate 1R (i.e., the rear slider plate 1R is fitted over the guide shaft 6C), the front end of the guide shaft 6C is inserted through the front shaft hole 6D-2, the split washer 6B is connected to the washer connecting groove 6C-2, so that the spring 6A is positioned between the rear slider plate 1R and the rear wall of the accommodating groove 6D-3, the front end of the spring 6A abuts against the rear slider plate 1R, the rear end of the spring 6A abuts against the rear wall of the accommodating groove 6D-3, and the spring 6A is compressed when the rear slider plate 1R moves rightward (moves toward the rear end of the base 6D).

Referring to fig. 1 and 2, a total of four one-way spring clamp assemblies 6 are mounted on a flat plate 10, two of which are arranged on one side for being connected and matched with a first rear slide plate 1R and a second rear slide plate 1G of a first clip assembly 1, and two of which are arranged on the other side for being connected and matched with a first rear slide plate and a second rear slide plate of a second clip assembly 17. The connection mode of the second rear sliding plate 1G and the corresponding one-way spring clamp assembly body is the same as that of the first rear sliding plate 1R and the corresponding one-way spring clamp assembly body. The connection mode of the first rear sliding plate and the corresponding one-way spring clamp assembly body of the second clamping piece assembly body 17 is the same as that of the first rear sliding plate 1R and the corresponding one-way spring clamp assembly body, and the connection mode of the second rear sliding plate and the corresponding one-way spring clamp assembly body of the second clamping piece assembly body 17 is the same as that of the first rear sliding plate 1R and the corresponding one-way spring clamp assembly body. When the handle 1A of the first clip assembly 1 is pulled outward (to the right in fig. 2), the springs in the one-way spring clip assemblies that mate with the rear slide plates one 1R and two 1G are compressed. When the handle 1A of the second clip assembly 17 is pulled outward (to the right and left in fig. 2), the springs in the one-way spring clip assemblies that mate with the first and second rear slide plates are compressed.

As shown in fig. 18, 19, 20 and 21, the telescopic mechanism comprises a first telescopic fixing plate 2, a second telescopic fixing plate 3, a butterfly nut 14 and a first knurled hand-screwed screw 15, wherein the upper end of the first telescopic fixing plate 2 is provided with a through hole 2-1, the lower end of the first telescopic fixing plate 2 is provided with a first lower threaded hole 2-2 and a second lower threaded hole 2-3, the first telescopic fixing plate 2 is provided with a sliding table 2-4 and a limiting step 2-5, the second telescopic fixing plate 3 is provided with a sliding groove 3-1 and a limiting step 3-2, the sliding groove 3-1 is provided with a screw position adjusting hole 3-4, and the upper end of the second telescopic fixing plate 3 is provided with a threaded hole 3-3. The sliding table 2-4 is embedded into the sliding groove 3-1, the first knurled hand-screwed screw 15 penetrates through the through hole 2-1 and then penetrates through the screw position adjusting hole 3-4, and the butterfly nut 1 is connected with the first knurled hand-screwed screw 15. The flat plate 10 is connected with the threaded hole 3-3 at the upper end of the second telescopic fixing plate 3 through a screw, so that the second telescopic fixing plate 3 is fixed on the flat plate.

As shown in fig. 22, the space locator clamp 4 includes a circular ring part 4-1 having an opening, a connecting rod part 4-2, a first limiting part 4-5, a second limiting part 4-6, and a third limiting part 4-7, the circular ring part 4-1 having an opening and the connecting rod part 4-2 are an integral structure, the connecting rod part 4-2 is provided with a first waist-shaped hole 4-3 and a second waist-shaped hole 4-4, the first limiting part 4-5 and the second limiting part 4-6 are connected with the opening of the circular ring part 4-1 having an opening, the third limiting part 4-7 is connected with the circular ring part 4-1 having an opening, and the position distribution of the first limiting part 4-5, the second limiting part 4-6, and the third limiting part 4-7 is in a triangular distribution state. The opening is arranged on the ring part 4-1 with the opening, so that the ring part has certain elasticity, and on one hand, the space positioner is convenient to put in, and on the other hand, the ring part can be suitable for space positioners with different sizes.

As shown in FIG. 23, a second knurled thumb screw 19 passes through the first waist-shaped hole 4-3 of the space locator clamp 4 and is connected to the first lower threaded hole 2-2 of the first telescopic fixing plate 2, and a third knurled thumb screw 20 passes through the second waist-shaped hole 4-4 of the space locator clamp 4 and is connected to the second lower threaded hole 2-3 of the first telescopic fixing plate 2, thereby fixing the space locator clamp 4. The first telescopic fixing plate 2 is in the vertical direction, and the second knurled hand-screwed screw 19 and the third knurled hand-screwed screw 20 can be screwed down after the position of the space locator clamp 4 is adjusted along the horizontal direction due to the design of the two waist-shaped holes. The position of the first telescopic fixing plate 2 is adjusted vertically, the first knurled hand-screwed screw 15 moves in the screw position adjusting hole 3-4, and after the position of the first telescopic fixing plate 2 is adjusted, the first knurled hand-screwed screw is locked and fixed by a butterfly nut 14, so that the position of the space locator clamp 4 is adjusted vertically.

The alignment plate positioning means comprises two first support plates 8 and two first clamping plates 7.

As shown in fig. 24-26, the first support plate 8 is provided with a fixing portion 8-1, a clamping plate connecting portion 8-2, and a calibration plate positioning groove 8-3, the fixing portion 8-1 is provided with three screw holes 8-1-1, and the clamping plate connecting portion 8-2 is provided with a screw hole 8-2-1. Referring to fig. 1-3, the fixing portion 8-1 is attached to the bottom surface of the flat plate 10, and three screws are inserted through the three screw holes 8-1-1 to be connected to the screw holes of the bottom surface of the flat plate 10, thereby fixing the first support plate 8 to the bottom surface of the flat plate 10. As shown in fig. 32, the 12-inch correction plate 9 is provided with two oppositely arranged notches 9-1. The flat plate 10 is provided with a circular hole 10-1 for accommodating the correction plate, when the edge of the 12-inch correction plate 9 is placed in the correction plate positioning groove 8-3, the clamping plate connecting parts 8-2 are embedded in the notches 9-1 of the 12-inch correction plate 9, a total of two first support plates 8 are arranged, the two first support plates 8 are arranged oppositely, the clamping plate connecting parts 8-2 of the two first support plates 8 are respectively embedded in the two notches 9-1 of the 12-inch correction plate 9, and the two first support plates 8 realize positioning on the 12-inch correction plate 9. As shown in FIGS. 27 and 28, the first clamping plate 7 is provided with screw holes 7-1, and the first clamping plate 7 is placed on the 12-inch correction plate 9 and is connected to the screw holes 8-2-1 of the clamping plate connecting portion 8-2 by screws inserted through the screw holes 7-1, so that the first clamping plate 7 presses and fixes the 12-inch correction plate 9 from the top surface of the 12-inch correction plate 9. A total of two first clamping plates 7 and a first support plate 8 matching one first clamping plate 7.

When the calibration plate fixing device is used, the space locator 5 is firstly placed on the space locator clamp 4 (referring to fig. 1 and 23, the edge of the circular top of the space locator 5 is clamped on the circular ring part 4-1 with the opening of the space locator clamp 4, the circular ring part 4-1 with the opening supports the edge of the circular top of the space locator 5, and the first limiting part 4-5, the second limiting part 4-6 and the third limiting part 4-7 limit the circular top of the space locator 5 from the upper part), then the 12-inch calibration plate is fixed on the two first supporting plates 8 and is clamped by the two first clamping plates 7, so that the calibration plate is prevented from being displaced or falling off.

Hold the first clamping piece assembly body 1 of handle outside pulling, second clamping piece assembly body 17, with first clamping piece assembly body 1, second clamping piece assembly body 17 cover is on portable C shape arm X-ray machine, slowly loose one's hand, utilize the clamp force of spring in two-way spring anchor clamps assembly body and the one-way spring anchor clamps assembly body, utilize the frictional force of slipmat simultaneously, make calibration plate fixing device fix on the shell of the X-ray emission source 21 of portable C shape arm X-ray machine, as shown in fig. 33, finely tune calibration plate fixing device, in order to reach the best shooting angle. A plurality of optical balls (the material of the optical balls is stainless steel) are installed in small holes in the 12-inch correction plate, when a C-shaped arm X-ray machine emits rays, other parts can pass through the small holes, but the stainless steel balls are too small, so that a small black spot is displayed on an imaging picture and is used for positioning the position of a bone (such as a spine) to be shot.

The distance between the space locator 5 and the X-ray emission source 21 can be adjusted along the vertical direction by utilizing the telescopic mechanism in the shooting process so as to achieve different shooting effects, thereby helping doctors to make judgment, assisting the doctors to complete the operation and improving the efficiency and success rate of the operation. The position of the space locator 5 is adjusted in the vertical direction by a telescopic mechanism to fit the correction plate. For the space locator 5, the invention application with the application publication number CN112190333A discloses a space locator.

The correcting plate usually has two kinds 9 cun and 12 cun, when needing to be changed for 9 cun correcting plates, can pass through the fix with screw on first backup pad 8 with second backup pad 22, puts 9 cun correcting plates on second backup pad 22 again, and concrete operation is: as shown in fig. 34-37, the second supporting plate 22 is provided with a splicing groove 22-1, an insertion groove 22-2, a correction plate positioning groove 22-3, and a clamping plate connecting portion 22-4, wherein the splicing groove 22-1 is provided with three screw holes 22-1-1; as shown in fig. 38 and 39, the second clamping plate 23 is provided with screw holes 23-1; referring to fig. 41-43, the second supporting plate 22 is abutted against the first supporting plate 8, the clamping plate connecting portion 8-2 of the first supporting plate 8 is inserted into the slot 22-2 of the second supporting plate 22, the alignment plate positioning slot 8-3 of the first supporting plate 8 is spliced with the splicing slot 22-1 of the second supporting plate 22, and three screws are inserted through the three screw holes 22-1-1 of the splicing slot 22-1 and then connected with the second supporting plate connecting threaded hole 8-4 of the first supporting plate 8 to fix the second supporting plate 22; each first support plate 8 is mounted with a second support plate 22. Referring to fig. 44, the edge of the 9-inch correction plate 11 is placed in the correction plate positioning groove 22-3 of the second support plate 22, the clamping plate connecting portions 22-4 are inserted into the notches 11-1 of the 9-inch correction plate 11, a total of two second support plates 22 are provided, the two second support plates 22 are arranged oppositely, the clamping plate connecting portions 22-4 of the two second support plates 22 are respectively inserted into the two notches 11-1 of the 9-inch correction plate 11, and the two second support plates 22 position the 9-inch correction plate 11. The second clamping plate 23 is placed on the 9-inch correction plate 11, and screws are inserted through the screw holes 23-1 and then connected with the screw holes on the clamping plate connecting portion 22-4, so that the second clamping plate 23 presses and fixes the 9-inch correction plate 11 from the top surface of the 9-inch correction plate 11, and the correction plate is prevented from being displaced or falling off. A total of two second clamping plates 23, one second support plate matching one second clamping plate 23.

The method of photographing using the 9-inch correction plate is the same as the method of photographing using the 12-inch correction plate.

It should be noted that other known telescopic structures may be adopted as the telescopic mechanism.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art should be informed by the teachings of the present invention, other configurations of the components, the driving device and the connection means, which are similar to the technical solution and are not designed creatively, shall fall within the protection scope of the present invention without departing from the inventive spirit of the present invention.

Claims (7)

1. A calibration plate fixing device is characterized by comprising a flat plate, a telescopic mechanism, a space locator clamp, a calibration plate positioning device, a locking device, a first clamping piece assembly body and a second clamping piece assembly body, wherein the telescopic mechanism is fixedly connected with the bottom surface of the flat plate; the correction plate positioning device is connected with the flat plate;

the first clamping piece assembly comprises a handle, a left clamping plate, a right clamping plate, a rear clamping plate, a right corner connecting piece, a left corner connecting piece, a first rear sliding plate, a second rear sliding plate, a left end sliding plate and a right end sliding plate, wherein the handle is fixedly connected with the rear clamping plate, the left corner connecting piece is fixedly connected with the left end of the rear clamping plate, the left clamping plate is fixedly connected with the left corner connecting piece, the right corner connecting piece is fixedly connected with the right end of the rear clamping plate, the right clamping plate is fixedly connected with the right corner connecting piece, the left end sliding plate is fixedly connected with the end of the left clamping plate, the lower end of the left end sliding plate is provided with a sliding hole, the right end sliding plate is fixedly connected with the end of the right clamping plate, the lower end of the right end sliding plate is also provided with a sliding hole, the first rear sliding plate and the second rear sliding plate are respectively fixedly connected with the rear clamping plate, the lower end of the first rear sliding plate is provided with a sliding hole, and the lower end of the second rear sliding plate is provided with a sliding hole;

the second clamping piece assembly comprises a handle, a rear clamping plate, a left clamping plate, a right clamping plate, a left tail end sliding plate, a right tail end sliding plate, a first rear sliding plate and a second rear sliding plate, wherein a sliding hole is formed in the lower end of the right tail end sliding plate;

the locking device comprises four unidirectional spring clamp assembly bodies and two bidirectional spring clamp assembly bodies; the assembly body of the one-way spring clamp comprises a spring, a split washer, a guide shaft and a base, wherein the base is provided with an accommodating groove, the rear end of the base is provided with a rear shaft hole, the front end of the base is provided with a front shaft hole, the rear end of the guide shaft is provided with a blocking part, the front end of the guide shaft is provided with a washer connecting groove, the guide shaft penetrates through the rear shaft hole and then penetrates out of the front shaft hole, the spring is sleeved on the guide shaft, the split washer is connected with the washer connecting groove of the guide shaft, the split washer is positioned outside the base, the blocking part is positioned outside the base, the guide shaft and the spring are positioned in the accommodating groove of the base, and the rear end of the spring abuts against the rear wall of the accommodating groove; the base is fixedly connected with the flat plate;

the two bidirectional spring clamp assemblies are respectively a first bidirectional spring clamp assembly and a second bidirectional spring clamp assembly; the first bidirectional spring clamp assembly comprises a base, a left spring, a right spring, a guide shaft and an open retainer ring, wherein a retainer ring connecting groove is formed in the right end of the guide shaft of the first bidirectional spring clamp assembly, a blocking portion is formed in the left end of the guide shaft of the first bidirectional spring clamp assembly, a placing groove is formed in the base of the first bidirectional spring clamp assembly, a left shaft hole is formed in the left end of the base of the first bidirectional spring clamp assembly, a right shaft hole is formed in the right end of the base of the first bidirectional spring clamp assembly, the guide shaft of the first bidirectional spring clamp assembly penetrates through the left shaft hole of the base and then penetrates out of the right shaft hole, the open retainer ring of the first bidirectional spring clamp assembly is connected with the retainer ring connecting groove of the guide shaft, the guide shaft of the first bidirectional spring clamp assembly is located in the placing groove, and the left spring and the right spring are respectively sleeved on the guide shaft in the first bidirectional spring clamp assembly; the base of the first bidirectional spring clamp assembly body is fixedly connected with the flat plate; the second bidirectional spring clamp assembly comprises a base, a left spring, a right spring, a guide shaft and a split washer;

the guide shaft of the first bilateral spring clamp assembly body passes through the sliding hole of the right tail end sliding plate in the second clamping piece assembly body, the guide shaft of the first bilateral spring clamp assembly body passes through the sliding hole of the left tail end sliding plate in the first clamping piece assembly body, the right spring is positioned between the rear wall of the placing groove and the left tail end sliding plate of the first clamping piece assembly body, and the left spring is positioned between the front wall of the placing groove and the right tail end sliding plate of the second clamping piece assembly body; the left end sliding plate of the second clamping piece assembly body is sleeved on a guide shaft of the second bidirectional spring clamp assembly body, and the right end sliding plate of the first clamping piece assembly body is sleeved on the guide shaft of the second bidirectional spring clamp assembly body;

a guide shaft in one of the one-way spring clamp assembly bodies penetrates through a sliding hole of a first rear sliding plate in the first clamping piece assembly body, and the front end of a spring in the one-way spring clamp assembly body abuts against the first rear sliding plate of the first clamping piece assembly body; the rear sliding plate I and the rear sliding plate II of the second clamping piece assembly body are respectively connected and matched with the other two unidirectional spring clamp assembly bodies;

the flat plate is provided with a circular hole for accommodating the correction plate.

2. The calibration plate fixing device according to claim 1, wherein the calibration plate positioning device comprises two first supporting plates and two first clamping plates, the first supporting plates are provided with fixing portions, clamping plate connecting portions and calibration plate positioning grooves, the fixing portions are provided with screw holes, the clamping plate connecting portions are provided with screw holes, the fixing portions are attached to the bottom surface of the flat plate, and screws penetrate through the screw holes of the fixing portions to be connected with the bottom surface of the flat plate through a threaded structure; the two first supporting plates are oppositely arranged, and the first clamping plate is provided with a screw hole.

3. The alignment plate fixture of claim 1 or 2 wherein a non-slip mat is attached to the left, right and/or rear clamping plates of the first clip assembly.

4. The alignment plate fixture of claim 1 or 2 wherein a non-slip mat is attached to the right, back and/or left clamping plate of the second clip assembly.

5. The calibration plate fixing device of claim 2, wherein the calibration plate positioning device further comprises a second supporting plate and a second clamping plate, the second clamping plate is provided with a screw hole, the first supporting plate is provided with a second supporting plate connecting threaded hole, the second supporting plate is provided with a splicing groove, a slot, a calibration plate positioning groove and a clamping plate connecting portion, the splicing groove is provided with a screw hole, the clamping plate connecting portion of the first supporting plate is inserted into the slot of the second supporting plate, the calibration plate positioning groove of the first supporting plate is spliced with the splicing groove of the second supporting plate, and a screw penetrates through the screw hole on the splicing groove and then is connected with the second supporting plate connecting threaded hole on the first supporting plate.

6. The calibration plate fixing device according to claim 1 or 2, wherein the telescoping mechanism comprises a first telescoping fixing plate, a second telescoping fixing plate, a butterfly nut and a first knurled manually-screwed screw, a through hole is formed in the upper end of the first telescoping fixing plate, the first telescoping fixing plate is provided with a sliding table and a limiting step, the second telescoping fixing plate is provided with a sliding groove and a limiting step, a screw position adjusting hole is formed in the sliding groove of the second telescoping fixing plate, a threaded hole is formed in the upper end of the second telescoping fixing plate, the sliding table of the first telescoping fixing plate is embedded in the sliding groove of the second telescoping fixing plate, the first knurled manually-screwed screw penetrates through the through hole in the upper end of the first telescoping fixing plate and then penetrates through the screw position adjusting hole, and the butterfly nut is connected with the first knurled manually-screwed screw; the flat plate is connected with a threaded hole in the upper end of the second telescopic fixing plate through a screw; the lower end of the first telescopic fixing plate is fixedly connected with the space locator clamp.

7. The calibration plate fixing device according to claim 6, wherein the space locator clamp comprises a circular ring part with an opening, a connecting rod part, a first limiting part, a second limiting part and a third limiting part, the connecting rod part is provided with a first waist-shaped hole and a second waist-shaped hole, the first limiting part and the second limiting part are connected with the opening of the circular ring part with the opening, the third limiting part is connected with the circular ring part with the opening, and the position distribution of the first limiting part, the second limiting part and the third limiting part is in a triangular distribution state;

the lower end of the first telescopic fixing plate is provided with a first lower threaded hole and a second lower threaded hole, and two knurled hand-screwed screws penetrate through the first waist-shaped hole and the second waist-shaped hole of the space locator clamp and are connected with the first lower threaded hole and the second lower threaded hole at the lower end of the first telescopic fixing plate.

Images