CN115708733B - Bone crushing equipment for bone grafting operation suitable for spinal surgery - Google Patents
Bone crushing equipment for bone grafting operation suitable for spinal surgery Download PDFInfo
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- CN115708733B CN115708733B CN202211611900.0A CN202211611900A CN115708733B CN 115708733 B CN115708733 B CN 115708733B CN 202211611900 A CN202211611900 A CN 202211611900A CN 115708733 B CN115708733 B CN 115708733B
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Abstract
The application discloses a bone crushing device for a bone grafting operation suitable for spinal surgery, which relates to the technical field of crushing devices and comprises a shell, a rolling cutting body, a material receiving container and a bone pressing assembly, wherein the shell comprises an input pipe, and the bone pressing assembly comprises a support frame, a force application lever, a connecting rod, a piston pump, a bone pressing plate and a pipe wall capsule body; the two connecting rods are respectively and rotatably connected to two ends of the force application lever; the piston of the piston pump is positioned at the bottom of a connecting rod, and the piston pump is communicated with the tube wall capsule body; the bone pressing plate is positioned at the bottom of the other connecting rod; the tube wall capsule is positioned on the inner wall of the input tube; the vessel wall balloon comprises a first balloon; a telescopic bag is fixed on the surface of the first bag body, which is far away from the inner wall of the input pipe, and is communicated with the first bag body; the telescopic bag is positioned at the position of the first bag body close to the bottom; the technical effect that the bone crushing equipment can crush bone blocks into small particles is achieved.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to bone crushing equipment for a bone grafting operation, which is suitable for spinal surgery.
Background
In the bone surgery, the bone blocks which are taken out of part of the patient need to be cut into broken bones with the size of rice grains and then placed at the position where the bone fusion growth needs to be promoted, and the effect of the bone blocks is far better than that of the artificially synthesized granular artificial bone because the bone blocks are the active fresh autologous bone of the patient; in the spinal fusion operation, the self-body broken bone is implanted into the intervertebral space to fuse the upper vertebral body and the lower vertebral body, and in the scoliosis orthopedic operation, the self-body broken bone can be placed at the vertebral plate, articular process, transverse process and other parts behind the spine to realize the lateral and posterior fusion of the spine.
In order to cut the taken-off bone blocks on the premise of reducing the labor intensity of bone-breaking personnel, chinese patent No. CN114029132A discloses a roller-type bone-breaking device, which comprises a roller shell, a roller, a bone-breaking tray and a handle, wherein the roller shell comprises a cylindrical outer sleeve, a base arranged at the lower end of the cylindrical outer sleeve, a bone block inlet arranged on the cylindrical outer sleeve and communicated with the inner cavity of the cylindrical outer sleeve and a pressing block arranged in the bone block inlet, and the lower edge of one end of the cylindrical outer sleeve is provided with a bayonet; the roller is arranged in the cylindrical outer sleeve, the outer wall of the roller is provided with a bone leakage hole and a cutting edge, and the cutting edge is positioned on one side of the bone leakage hole; the roller is driven by the handle to rotate; the broken bone tray sets up in the cylinder inner chamber, and broken bone tray opening is up, and the one end of broken bone tray is provided with the fixture block, and the fixture block card is on the bayonet socket of cylindric overcoat.
When the scheme of the prior art is implemented, an operator can continuously apply pressure to the bone blocks through the pressing block and realize the cutting of the bone blocks by matching with the rotation of the roller, the cutting of the bone blocks in the mode realizes the cutting of large bone blocks, but the cut bones are limited by the structure of the roller, the position of the cutting holes on the roller and the continuity of the stress of the bone blocks, so that a large number of bone slices can appear; thin slices of bone are less favorable than granular bone for bone grafting.
Disclosure of Invention
The embodiment of the application is through providing a bone crushing equipment for bone grafting operation suitable for spinal surgery, has solved among the prior art broken bone that goes out of drum-type bone crushing device and has mostly the thin slice, is unfavorable for the technical problem who goes on of bone grafting operation, has realized that bone crushing equipment can become the technological effect of tiny granule with the bone piece breakage.
The embodiment of the application provides bone crushing equipment for a bone grafting operation, which is suitable for spinal surgery and comprises a shell, a rolling cutting body, a material receiving container and a bone pressing assembly, wherein the shell comprises an input pipe for placing bone blocks;
the two connecting rods are respectively and rotatably connected to two ends of the force application lever;
the piston of the piston pump is positioned at the bottom of a connecting rod, and the piston pump is communicated with the tube wall capsule;
the bone pressing plate is positioned at the bottom of the other connecting rod;
the vessel wall balloon is positioned on the inner wall of the input tube;
the tube wall balloon comprises a first balloon which is expanded to form a block and is tightly attached to the inner wall of the input tube when contracted;
a strip-shaped or plate-shaped telescopic bag is fixed on the surface of the first bag body, which is far away from the inner wall of the input pipe, and the telescopic bag is communicated with the first bag body; the telescopic bag is spatially positioned at the position of the first bag body close to the bottom;
when the piston pump pumps media into the telescopic bag, the telescopic bag extends towards the direction of the bone block to push the bone block to rotate.
Preferably, the vessel wall balloon further comprises a second balloon, and the second balloon is in a block shape after being expanded;
the first balloon and the second balloon are symmetrically arranged, and when the bone block is used, the bone block falls between the first balloon and the second balloon;
a lifting soft bag is fixed on the surface of the second bag body, which is close to the first bag body, is in a strip shape or a plate shape and is communicated with the second bag body;
one end of the flip-flop soft bag is fixed on the second bag body;
the amount of the medium in the flip soft bag is small in a normal state, the whole flip soft bag is in a drooping state, when the piston pump pumps the medium into the flip soft bag, the flip soft bag is changed into a straightening state from the drooping state, and the flip bone block rotates in the changing state.
Further, the housing comprises a base, a cylindrical outer sleeve and an input pipe;
the base is positioned at the bottom of the cylindrical outer sleeve;
the whole cylindrical outer sleeve is a pipe body with one closed end;
a bone block inlet is positioned at the top of the cylindrical outer sleeve;
the input pipe is integrally tubular, is longitudinally arranged and is positioned at the top of the cylindrical outer sleeve, and the bone blocks to be crushed enter the bone block inlet through the input pipe;
the rolling cutting body is rotationally connected to the shell and comprises a cutting roller and a handle;
the cutting roller is a pipe body with one closed end, can be rotatably and fixedly connected to the cylindrical outer sleeve and is coaxial with the cylindrical outer sleeve;
a cutting hole is sealed on the cutting roller, and a cutting edge is arranged at the edge of the cutting hole;
the receiving container is positioned on the shell or the rolling cutting body.
Preferably, the shell is formed by splicing two blocks, and a spherical cavity is positioned in the shell;
an annular ball positioning groove is formed in the position, close to the bottom, of the spherical cavity, and balls are placed in the ball positioning groove;
the bone block inlet is positioned at the top of the shell and is communicated with the spherical cavity;
a handle extending hole is formed in one side of the shell;
the rolling cutting body comprises a cutting hemisphere and a handle, the cutting hemisphere is a hemisphere with a sealed cutting hole, and an annular cutting edge is arranged on the cutting hole;
the material receiving container is a hollow hemispherical container and is detachably and fixedly connected to the cutting hemisphere;
the combination of the cutting hemisphere and the receiving container is in a hollow spherical shape;
the ball bearing is abutted against the ball bearing positioning groove and also abutted against the material receiving container;
the handle is fixed on the cutting hemisphere and/or the material receiving container.
Preferably, a plate bottom soft bag is positioned at the bottom of the bone pressing plate, the plate bottom soft bag is a plate-shaped rubber bag body, and paraffin or iron powder is filled in the plate bottom soft bag; when in use, the soft capsule at the bottom of the plate is deformed after contacting with the bone block, so as to reduce the sliding of the bone block.
Preferably, the plate bottom soft bag is communicated with the piston pump through a delivery pipe, a delivery channel is positioned on the bone pressing plate, and a filter screen is positioned on the delivery channel; when the piston pump pumps the medium, the soft bag at the bottom of the plate is blown to be a drum.
Preferably, the input tube comprises a rigid tube body and a tubular balloon;
the tubular bag body is a tubular elastic bag, and the outer wall of the tubular bag body is fixed on the inner wall of the hard tube body;
the tube wall capsule body is fixed on the inner wall of the tube-shaped capsule body;
the piston pump is communicated with the tubular bag body through a pipe, and an isolating valve is positioned on the pipe; the piston pump can pump media to the inside of the tubular bag body, and the inner diameter of the input pipe can be changed after the tubular bag body is expanded.
Preferably, the input tube comprises a hard tube body, a tubular balloon and a scratch-proof cloth cover;
the tubular bag body is a tubular elastic bag, and the outer wall of the tubular bag body is fixed on the inner wall of the hard tube body;
the scratch-proof cloth sleeve is tubular, the top end of the scratch-proof cloth sleeve is fixed at the top of the hard tube body, and the length of the scratch-proof cloth sleeve is equal to that of the hard tube body;
the tube wall bag body is fixed on the anti-scratch cloth sleeve, and the anti-scratch cloth sleeve plays a role in protection;
the piston pump is communicated with the tubular bag body through a pipe, and an isolating valve is positioned on the pipe;
the piston pump can pump media in the tubular bag body, and the inner diameter of the input pipe can be changed after the tubular bag body is expanded.
Preferably, the number of the flip-flop soft bags is multiple, and the flip-flop soft bags are arranged up and down.
Preferably, a sleeve made of anti-scratch cloth is sleeved on the soft bag at the bottom of the plate.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the drum-type bone crushing device in the prior art is improved, the generation probability of bone slices is reduced by using an intermittent mode of applying pressure to bone blocks, the bag body is arranged on the inner wall of the input tube for accommodating the bone blocks, the bone blocks are lifted by using the expansion and contraction of the bag body, the bone blocks rotate in the extruded gaps, and the probability of crushing the bone blocks into slices is further reduced; the broken bone that has effectively solved among the prior art broken bone device of drum-type is mostly the thin slice, is unfavorable for the technical problem who goes on of bone grafting operation, and then has realized that broken bone equipment can break into the technical effect of tiny granule with the bone piece.
Drawings
FIG. 1 is an exploded view of a bone crushing apparatus for a bone grafting operation according to the present invention, which is suitable for a spine surgery;
FIG. 2 is a schematic structural diagram of an external view of a bone-crushing device for bone grafting in spinal surgery according to the present invention;
FIG. 3 is a schematic view of the position relationship between the input tube and the bone block inlet of the bone crushing device for bone grafting in spinal surgery according to the present invention;
FIG. 4 is a schematic structural diagram of a first balloon and a second balloon of the bone crushing device for bone grafting operation suitable for spinal surgery according to the invention;
FIG. 5 is a schematic view showing the positional relationship between the spherical cavity and the rolling cutting body of the bone crushing apparatus for bone grafting in spinal surgery according to the present invention;
FIG. 6 is a schematic view showing the positional relationship between the handle extending hole and the housing of the bone crushing apparatus for bone grafting in spinal surgery according to the present invention;
FIG. 7 is a schematic view showing the positional relationship between the tubular capsule and the rigid tube of the bone crushing device for bone grafting operation in spinal surgery according to the present invention;
FIG. 8 is a schematic view showing the positional relationship between the scratch-proof cloth cover and the tubular wall balloon of the bone crushing device for bone grafting operation in spinal surgery according to the present invention;
fig. 9 is a schematic view showing the communication relationship of the piston pump of the bone crushing apparatus for bone grafting in spinal surgery according to the present invention.
In the figure:
the device comprises a shell 100, a base 110, a cylindrical outer sleeve 120, a bone block inlet 130, an input pipe 140, a tubular capsule 141, a blocking valve 142, a hard pipe body 143, an anti-scratch cloth sleeve 144, a spherical cavity 150, a ball positioning groove 151, a ball 160 and a handle extension hole 170;
a rolling cutter 200, a cutting drum 210, a cutting hemisphere 220, a cutting hole 230, a handle 240;
a receiving container 300;
the bone pressing assembly 400, the support frame 410, the force application lever 420, the connecting rod 430, the piston pump 440, the bone pressing plate 450, the conveying channel 451, the filter screen 452, the plate bottom soft bag 460, the tube wall soft bag 470, the first soft bag 471, the second soft bag 472, the lifting soft bag 473 and the telescopic bag 474.
Detailed Description
In order to facilitate an understanding of the present invention, the present application will now be described more fully with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, there is shown an exploded view of a bone-crushing device for bone grafting in spinal surgery according to the present invention; the bone crushing device for bone grafting operation suitable for spinal surgery comprises a shell 100, a rolling cutting body 200, a material receiving container 300 and a bone pressing assembly 400; the drum-type bone crushing device in the prior art is improved, the generation probability of bone slices is reduced by applying pressure to bone blocks intermittently, the bag body is arranged on the inner wall of the input pipe 140 for accommodating the bone blocks, the bone blocks are lifted by expansion and contraction of the bag body, the bone blocks are rotated in the extruded gaps, and the probability of the bone blocks being crushed into slices is further reduced; the technical effect that the bone crushing equipment can crush bone blocks into small particles is achieved.
Example one
As shown in fig. 1 to 3, the bone crushing apparatus for bone grafting suitable for spinal surgery according to the present invention includes a housing 100, a rolling cutting body 200, a receiving container 300, and a bone pressing assembly 400.
As shown in fig. 1, the housing 100 is load-bearing and includes a base 110, a cylindrical casing 120, and an input tube 140; the base 110 is positioned at the bottom of the cylindrical casing 120 for supporting and positioning the cylindrical casing 120; the cylindrical outer sleeve 120 is a pipe body with one closed end, and the axial direction of the pipe body is vertical or approximately vertical to the height direction of the whole equipment; a bone block inlet 130 is positioned at the top of the cylindrical shell 120; the input tube 140 is generally tubular, is longitudinally disposed and is located at the top of the cylindrical housing 120, and the bone pieces to be crushed enter the bone piece inlet 130 through the input tube 140.
The rolling cutting body 200 is rotatably connected to the housing 100 and is used for cutting bone blocks directly contacted with the rolling cutting body, and comprises a cutting roller 210 and a handle 240; the cutting drum 210 is a pipe body with one closed end, and is rotatably and fixedly connected to the cylindrical outer sleeve 120 and coaxial with the cylindrical outer sleeve 120; the cutting drum 210 is hermetically sealed with a cutting hole 230, and a cutting edge is disposed at an edge of the cutting hole 230.
The receiving container 300 plays a role of receiving the broken bone pieces and is positioned on the housing 100 or the rolling cutting body 200; further, as shown in fig. 2, the receiving container 300 is a box, and when in use, the receiving container extends into the cutting drum 210 and is detachably and fixedly connected to the base 110, and after the bone pieces are crushed, the receiving container 300 is detached from the base 110 by a user.
As shown in fig. 1 and 2, the compression assembly 400 is used to compress a bone block and to urge the bone block to rotate in the compressed space; the compression assembly 400 comprises a support frame 410, a force application lever 420, a connecting rod 430, a piston pump 440, a compression plate 450 and a wall bladder 470;
the supporting frame 410 is a frame structure, and is fixed on the casing 100, and is used for supporting and positioning the force application lever 420 and the piston pump 440;
the force application lever 420 is integrally rod-shaped and is rotatably connected to the support frame 410, and a fulcrum of the force application lever 420 is positioned at the top of the support frame 410;
the number of the connecting rods 430 is two, the two connecting rods are respectively positioned at two ends of the force application lever 420 and are rotatably connected with the force application lever 420;
the piston pump 440 is fixed to the support frame 410 with its piston positioned at the bottom of one of the connecting rods 430, and the piston pump 440 is in communication with the walled capsule 470 via a delivery tube for pumping the medium. The piston pump 440 includes a cylinder and a piston.
Preferably, the medium is a gas or a liquid.
The compression plate 450 is positioned at the bottom of the other connecting rod 430, is positioned in the input tube 140, and slides up and down relative to the input tube 140 under the driving of the force application lever 420; the area of the compression plate 450 is less than three-quarters of the cross-sectional area of the inlet tube 140;
as shown in fig. 3 and 4, the wall balloon 470 is positioned on the inner wall of the input tube 140, the input tube 140 being a hard tube; said wall bladder 470 comprises a first bladder 471 and a second bladder 472, the first bladder 471 and the second bladder 472 are symmetrically arranged and are both in the shape of blocks after being expanded, and are tightly attached to the inner wall of the input tube 140 when being contracted; in use, the bone pieces fall between the first and second capsules 471, 472; a telescopic bag 474 is fixed on the surface of the first capsule 471 close to the second capsule 472, the telescopic bag 474 is a strip-shaped or plate-shaped elastic bag and is communicated with the first capsule 471; the bellows 474 is spatially located near the bottom of the first body 471; when the piston pump 440 pumps the medium into the bellows 474, the bellows 474 expands toward the bone block (in the direction of the second bladder 472), pushing the bone block to deflect (rotate); a lifting soft bag 473 is fixed on the surface of the second capsule body 472 close to the first capsule body 471, and the lifting soft bag 473 is in a strip shape or a plate shape and is communicated with the second capsule body 472; one end of the flip-up soft bag 473 is fixed to the second bag body 472; the amount of the medium in the flip-flop soft bag 473 is small in a normal state, the flip-flop soft bag 473 is in a drooping state as a whole, when the piston pump 440 pumps the medium into the flip-flop soft bag 473, the flip-flop soft bag 473 is changed from the drooping state to a straightening state, and the flip-flop bone rotates in the process of the change state.
Preferably, the number of the plurality of the picking bladders 473 is plural, and the plurality of picking bladders 473 are arranged up and down.
Preferably, the first and second capsules 471 and 472 are sleeved with a sleeve made of scratch-proof cloth.
When the bone crushing equipment of this application embodiment in-service use: the operator first places the bone pieces into the input tube 140; then, the force application lever 420 is pulled back and forth by one hand, and the rolling cutting body 200 is rotated by the other hand through the handle 240 for cutting; during the pulling process of the force application lever 420, pressure is intermittently applied to the bone block, when the bone compression plate 450 is separated from the bone block, the piston pump 440 is compressed, the first capsule body 471, the second capsule body 472, the picking soft capsule 473 and the telescopic capsule 474 are all expanded (the first capsule body 471 and the second capsule body 472 are firstly expanded to enable the picking soft capsule 473 and the telescopic capsule 474 to be close to the bone block, and then the picking soft capsule 473 and the telescopic capsule 474 are expanded to rotate the bone block), and the bone block is rotated in a picking and pushing mode; then the compression plate 450 is pressed down, and the first capsule body 471, the second capsule body 472, the picking soft capsule 473 and the telescopic capsule 474 are all contracted; and after the bone is broken, the receiving container 300 is taken down.
In view of the fact that when the compression plate 450 is pressed down again after being lifted up, the bone pieces are easy to slide due to the compression, and therefore the bone pieces are restored to the state before the compression plate 450 is lifted up again, in order to overcome the above problems, it is preferable that, as shown in fig. 1, a plate bottom soft bag 460 is positioned at the bottom of the compression plate 450, and the plate bottom soft bag 460 is a plate-shaped rubber bag body filled with paraffin or iron powder; in actual use, the soft capsule 460 at the bottom of the plate deforms after contacting the bone block, and the sliding of the bone block is reduced.
Preferably, a sleeve made of scratch-proof cloth is sleeved on the soft bag 460 at the bottom of the board.
In order to prevent the bone block from adhering to the plate bottom soft bag 460 to affect the rotation of the bone block after the compression plate 450 is lifted, as shown in fig. 9, preferably, the plate bottom soft bag 460 is communicated with the piston pump 440 through a delivery pipe, a delivery passage 451 is positioned on the compression plate 450, and a filter screen 452 is positioned on the delivery passage 451; when the piston pump 440 pumps the medium, the plate bottom bladder 460 is blown up.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the broken bone that drum-type garrulous bone device broken out among the prior art is solved and is mostly the thin slice, is unfavorable for the technical problem who goes on of bone grafting operation, has realized that garrulous bone equipment can be broken into the tiny particle with the bone piece technological effect.
Example two
In order to further improve the practicability of the present application and further reduce the probability of generating bone slices when the bone crushing device crushes bones, the embodiments of the present application perform certain optimization on the structures of the housing 100, the rolling cutting body 200 and the receiving container 300 on the basis of the above embodiments, specifically:
as shown in fig. 5 and 6 (the input tube 140 and the bone pressing member 400 of the housing 100 are not shown), the housing 100 is formed by splicing two blocks, a spherical cavity 150 is positioned inside the housing 100, and the spherical cavity 150 is used for positioning the rolling cutting body 200; an annular ball positioning groove 151 is formed in the position, close to the bottom, of the spherical cavity 150, and the ball 160 is positioned on the retainer and placed in the ball positioning groove 151; the bone block inlet 130 is located at the top of the housing 100 and communicates with the spherical cavity 150; a handle extending hole 170 is formed in one side of the shell 100, the handle extending hole 170 is a through hole, and the diameter of the handle extending hole 170 is more than five times of the diameter of the handle 240;
the rolling cutting body 200 comprises a cutting hemisphere 220 and a handle 240, the cutting hemisphere 220 is a hemisphere with a sealed cutting hole 230, and an annular cutting edge is arranged on the cutting hole 230; the receiving container 300 is a hollow hemispherical container and is detachably and fixedly connected to the cutting hemisphere 220; the combination of the cutting hemisphere 220 and the receiving container 300 is in a hollow spherical shape; the ball 160 abuts against the ball positioning groove 151 and also abuts against the receiving container 300.
The handle 240 is fixed on the cutting hemisphere 220 and/or the receiving container 300 and penetrates out of the handle extending hole 170; in actual use, a user can swing the cutting hemisphere 220 irregularly by the handle 240.
EXAMPLE III
Considering that the bone pieces to be broken generally have different sizes, using the same size of the inlet tube 140 and the tube wall balloon 470 positioned on the inner wall of the inlet tube 140 may be difficult to apply to smaller or larger bone pieces to be broken; in order to improve the applicability of the present application, the embodiment of the present application improves the structure of the input tube 140 on the basis of the above embodiments, so as to be convenient for crushing bone pieces with different volumes, specifically:
as shown in fig. 7, the input tube 140 includes a rigid tube body 143 and a tubular balloon 141; the tubular bag body 141 is a tubular elastic bag, and the outer wall of the tubular bag body 141 is fixed on the inner wall of the hard tube body 143; said wall balloon 470 is fixed to the inner wall of said tubular balloon 141;
the piston pump 440 is communicated with the tubular bladder 141 through a pipe on which the block valve 142 is positioned; the piston pump 440 can pump the medium to the inside of the tubular capsule 141, and the inner diameter of the input tube 140 can be changed after the tubular capsule 141 expands; in actual use, the closing valve 142 is closed after the inner diameter of the input tube 140 is changed to a proper (required) size, so that the medium in the tubular balloon 141 can be prevented from flowing back to the piston pump 440, and the closing valve 142 is opened and the piston is squeezed after bone crushing is completed, so that the tubular balloon 141 can be reset.
Example four
Considering that the bone pieces to be broken generally have different sizes, using the same size of the inlet tube 140 and the tube wall balloon 470 positioned on the inner wall of the inlet tube 140 may be difficult to apply to smaller or larger bone pieces to be broken; in order to improve the applicability of the present application, the embodiment of the present application improves the structure of the input tube 140 on the basis of the above embodiments, so as to be convenient for crushing bone pieces with different volumes, specifically:
as shown in fig. 8, the input tube 140 includes a rigid tube body 143, a tubular balloon 141 and a scratch-proof cloth cover 144; the tubular bag body 141 is a tubular elastic bag, and the outer wall of the tubular bag body 141 is fixed on the inner wall of the hard tube body 143; the scratch-proof cloth cover 144 is tubular, the top end of the scratch-proof cloth cover is fixed at the top of the hard tube body 143, and the length of the scratch-proof cloth cover is equal to that of the hard tube body 143; the vessel wall capsule 470 is fixed on the anti-scratch cloth cover 144, and the anti-scratch cloth cover 144 plays a role of protection.
The piston pump 440 is communicated with the tubular bladder 141 through a pipe on which the block valve 142 is positioned;
the piston pump 440 can pump the medium inside the tubular capsule 141, and the inner diameter of the input tube 140 can be changed after the tubular capsule 141 is expanded; in actual use, the closing of the blocking valve 142 after changing the inner diameter of the input tube 140 to a suitable (required) size can prevent the medium inside the tubular balloon 141 from flowing back into the piston pump 440, and the resetting of the tubular balloon 141 can be realized by opening the blocking valve 412 and pressing the piston after bone crushing is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A bone-crushing equipment for bone grafting operation suitable for spinal surgery, includes casing (100), rolling cutting body (200), connects material container (300) and presses bone subassembly (400), and casing (100) includes input tube (140) that is used for placing the bone piece, its characterized in that:
the bone pressing assembly (400) comprises a support frame (410), a force application lever (420), a connecting rod (430), a piston pump (440), a bone pressing plate (450) and a tube wall capsule (470), wherein the support frame (410) is fixed on the shell (100), and the fulcrum of the force application lever (420) is positioned on the support frame (410);
the number of the connecting rods (430) is two, and the two connecting rods are respectively connected to two ends of the force application lever (420) in a rotating manner;
the piston of the piston pump (440) is positioned at the bottom of a connecting rod (430), the piston pump (440) is communicated with the tube wall capsule (470);
the compression plate (450) is positioned at the bottom of the other connecting rod (430);
the wall balloon (470) is positioned on an inner wall of the inlet tube (140);
the vessel wall balloon (470) comprises a first balloon (471), the first balloon (471) is a block after being expanded, and the block clings to the inner wall of the input tube (140) when being contracted;
a strip-shaped or plate-shaped telescopic bag (474) is fixed on the surface of the first bag body (471) far away from the inner wall of the input pipe (140), and the telescopic bag (474) is communicated with the first bag body (471); the telescopic bag (474) is spatially positioned at the position of the first bag body (471) close to the bottom;
when the piston pump (440) pumps the medium into the bellows (474), the bellows (474) expands in the direction of the bone mass, pushing the bone mass into rotation.
2. A bone crushing apparatus for bone grafting suitable for use in spinal surgery as claimed in claim 1, wherein: said tubular wall balloon (470) further comprises a second balloon (472), said second balloon (472) being inflated to assume a mass;
the first capsule (471) and the second capsule (472) are symmetrically arranged, and when in use, the bone blocks fall between the first capsule (471) and the second capsule (472);
a lifting soft bag (473) is fixed on the surface of the second bag body (472) close to the first bag body (471), and the lifting soft bag (473) is in a strip shape or a plate shape and is communicated with the second bag body (472);
one end of the lifting soft bag (473) is fixed on the second bag body (472);
the amount of the medium in the flip soft bag (473) is small in a normal state, the flip soft bag (473) is in a droop state as a whole, when the piston pump (440) pumps the medium into the flip soft bag (473), the flip soft bag (473) is changed into a straightening state from the droop state, and the flip bone block rotates in the process of the change state.
3. A bone crushing apparatus for bone grafting suitable for use in spinal surgery as claimed in claim 1 or 2, wherein: the housing (100) comprises a base (110), a cylindrical casing (120) and an input tube (140);
the base (110) is positioned at the bottom of the cylindrical jacket (120);
the whole cylindrical outer sleeve (120) is a pipe body with one closed end;
a bone block inlet (130) is positioned at the top of the cylindrical outer sleeve (120);
the input pipe (140) is integrally tubular, is longitudinally arranged and is positioned at the top of the cylindrical outer sleeve (120), and bone blocks to be crushed enter the bone block inlet (130) through the input pipe (140);
the rolling cutting body (200) is rotationally connected to the shell (100) and comprises a cutting roller (210) and a handle (240);
the cutting roller (210) is a pipe body with one closed end, can be fixedly connected to the cylindrical outer sleeve (120) in a rotating mode, and is coaxial with the cylindrical outer sleeve (120);
a cutting hole (230) is sealed on the cutting roller (210), and the edge of the cutting hole (230) is provided with a cutting edge;
the receiving container (300) is positioned on the housing (100) or the rolling cutting body (200).
4. A bone crushing apparatus for bone grafting suitable for spinal surgery according to claim 1 or 2, wherein: the shell (100) is formed by splicing two blocks, and a spherical cavity (150) is positioned in the shell (100);
an annular ball positioning groove (151) is formed in the position, close to the bottom, of the spherical cavity (150), and a ball (160) is placed in the ball positioning groove (151);
the bone block inlet (130) is positioned at the top of the shell (100) and is communicated with the spherical cavity (150);
a handle extending hole (170) is formed in one side of the shell (100);
the rolling cutting body (200) comprises a cutting hemisphere (220) and a handle (240), the cutting hemisphere (220) is a hemisphere with a sealed cutting hole (230), and an annular cutting edge is arranged on the cutting hole (230);
the material receiving container (300) is a hollow hemispherical container and is detachably and fixedly connected to the cutting hemisphere (220);
the combination of the cutting hemisphere (220) and the receiving container (300) is in a hollow spherical shape;
the ball (160) is pressed against the ball positioning groove (151) and also pressed against the material receiving container (300);
the handle (240) is fixed on the cutting hemisphere (220) and/or the material receiving container (300).
5. A bone crushing apparatus for bone grafting suitable for spinal surgery as recited in claim 1, wherein: a plate bottom soft bag (460) is positioned at the bottom of the bone pressing plate (450), the plate bottom soft bag (460) is a plate-shaped rubber bag body, and paraffin or iron powder is filled inside the plate bottom soft bag; when in use, the plate bottom soft bag (460) deforms after contacting the bone block, thereby reducing the sliding of the bone block.
6. A bone crushing apparatus for bone grafting suitable for spinal surgery according to claim 5, wherein: the plate bottom soft bag (460) is communicated with the piston pump (440) through a delivery pipe, a delivery channel (451) is positioned on the bone pressing plate (450), and a filter screen (452) is positioned on the delivery channel (451); when the piston pump (440) pumps the medium, the plate bottom soft bag (460) is blown to be blown.
7. A bone crushing apparatus for bone grafting suitable for use in spinal surgery as claimed in claim 1, wherein: the input tube (140) comprises a rigid tube body (143) and a tubular balloon (141);
the tubular bag body (141) is a tubular elastic bag, and the outer wall of the tubular bag body (141) is fixed on the inner wall of the hard tube body (143);
said wall balloon (470) is fixed to the inner wall of said tubular balloon (141);
the piston pump (440) is communicated with the tubular capsule body (141) through a pipe, and a closing valve (142) is positioned on the pipe; the piston pump (440) is capable of pumping a medium into the tubular bladder (141), and the tubular bladder (141) is capable of changing the inner diameter of the inlet tube (140) after expansion.
8. A bone crushing apparatus for bone grafting suitable for use in spinal surgery as claimed in claim 1, wherein: the input tube (140) comprises a hard tube body (143), a tubular balloon (141) and an anti-scratch cloth cover (144);
the tubular capsule body (141) is a tubular elastic capsule, and the outer wall of the tubular capsule body (141) is fixed on the inner wall of the hard tube body (143);
the anti-scratch cloth sleeve (144) is tubular, the top end of the anti-scratch cloth sleeve is fixed at the top of the hard tube body (143), and the length of the anti-scratch cloth sleeve is equal to that of the hard tube body (143);
the tube wall capsule body (470) is fixed on the anti-scratch cloth sleeve (144), and the anti-scratch cloth sleeve (144) plays a role in protection;
the piston pump (440) is communicated with the tubular capsule body (141) through a pipe, and a closing valve (142) is positioned on the pipe;
the piston pump (440) can pump medium inside the tubular capsule (141), and the inner diameter of the input pipe (140) can be changed after the tubular capsule (141) is expanded.
9. A bone crushing apparatus for bone grafting suitable for spinal surgery as recited in claim 2, wherein: the number of the flip-flop soft bags (473) is multiple, and the flip-flop soft bags (473) are arranged up and down.
10. A bone crushing apparatus for bone grafting suitable for spinal surgery according to claim 5, wherein: the soft bag (460) at the bottom of the board is sleeved with a sleeve made of anti-scratching cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211611900.0A CN115708733B (en) | 2022-12-15 | 2022-12-15 | Bone crushing equipment for bone grafting operation suitable for spinal surgery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211611900.0A CN115708733B (en) | 2022-12-15 | 2022-12-15 | Bone crushing equipment for bone grafting operation suitable for spinal surgery |
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| CN115708733A CN115708733A (en) | 2023-02-24 |
| CN115708733B true CN115708733B (en) | 2023-04-07 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712483A1 (en) * | 1993-11-19 | 1995-05-24 | Louis Setiey | Bone grinder for orthopaedic use |
| EP0714634A1 (en) * | 1994-11-30 | 1996-06-05 | Protek Ag | Arrangement for producing bone chips |
| JP2000308833A (en) * | 1999-02-25 | 2000-11-07 | Kyocera Corp | Bone mill |
| CN207324996U (en) * | 2017-09-08 | 2018-05-08 | 山东威高骨科材料股份有限公司 | A kind of drum-type bone cutter |
| JP6432751B1 (en) * | 2018-03-26 | 2018-12-05 | 株式会社アサカ精機 | Bone crusher |
| CN208958247U (en) * | 2017-11-30 | 2019-06-11 | 河北瑞鹤医疗器械有限公司 | Osteoclast |
| CN209074773U (en) * | 2018-08-03 | 2019-07-09 | 合肥市第二人民医院 | A kind of broken bone equipment of bone surgery |
| CN110251194A (en) * | 2019-07-03 | 2019-09-20 | 牛士贞 | Specific complex osteoclast in a kind of spinal surgery |
| CN211560250U (en) * | 2019-11-29 | 2020-09-25 | 砚山县人民医院 | Special compound bone crushing device of spinal surgery |
| CN214805109U (en) * | 2021-04-12 | 2021-11-23 | 河南省三门峡市中心医院 | Bone crushing device for spinal surgery |
| CN114129315A (en) * | 2021-12-30 | 2022-03-04 | 陈艳超 | Special compound bone crusher in spinal surgery |
| CN216322367U (en) * | 2021-11-04 | 2022-04-19 | 山东威高骨科材料股份有限公司 | Drum-type broken bone grain preparation facilities |
| CN114569298A (en) * | 2022-05-06 | 2022-06-03 | 山东第一医科大学附属省立医院(山东省立医院) | Composite bone crushing device for spinal surgery |
| CN217793223U (en) * | 2022-06-15 | 2022-11-15 | 北京纳通医疗科技控股有限公司 | Planetary speed-reducing bone-breaking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8002774B2 (en) * | 2007-11-07 | 2011-08-23 | Stryker Corporation | Bone mill including a base and a mill head separate from the base, the mill head including a moveable catch tray |
-
2022
- 2022-12-15 CN CN202211611900.0A patent/CN115708733B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712483A1 (en) * | 1993-11-19 | 1995-05-24 | Louis Setiey | Bone grinder for orthopaedic use |
| EP0714634A1 (en) * | 1994-11-30 | 1996-06-05 | Protek Ag | Arrangement for producing bone chips |
| JP2000308833A (en) * | 1999-02-25 | 2000-11-07 | Kyocera Corp | Bone mill |
| CN207324996U (en) * | 2017-09-08 | 2018-05-08 | 山东威高骨科材料股份有限公司 | A kind of drum-type bone cutter |
| CN208958247U (en) * | 2017-11-30 | 2019-06-11 | 河北瑞鹤医疗器械有限公司 | Osteoclast |
| JP6432751B1 (en) * | 2018-03-26 | 2018-12-05 | 株式会社アサカ精機 | Bone crusher |
| CN209074773U (en) * | 2018-08-03 | 2019-07-09 | 合肥市第二人民医院 | A kind of broken bone equipment of bone surgery |
| CN110251194A (en) * | 2019-07-03 | 2019-09-20 | 牛士贞 | Specific complex osteoclast in a kind of spinal surgery |
| CN211560250U (en) * | 2019-11-29 | 2020-09-25 | 砚山县人民医院 | Special compound bone crushing device of spinal surgery |
| CN214805109U (en) * | 2021-04-12 | 2021-11-23 | 河南省三门峡市中心医院 | Bone crushing device for spinal surgery |
| CN216322367U (en) * | 2021-11-04 | 2022-04-19 | 山东威高骨科材料股份有限公司 | Drum-type broken bone grain preparation facilities |
| CN114129315A (en) * | 2021-12-30 | 2022-03-04 | 陈艳超 | Special compound bone crusher in spinal surgery |
| CN114569298A (en) * | 2022-05-06 | 2022-06-03 | 山东第一医科大学附属省立医院(山东省立医院) | Composite bone crushing device for spinal surgery |
| CN217793223U (en) * | 2022-06-15 | 2022-11-15 | 北京纳通医疗科技控股有限公司 | Planetary speed-reducing bone-breaking device |
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|---|---|
| CN115708733A (en) | 2023-02-24 |
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