阅读说明：本技术 一种椎体成形术用骨水泥自动混合注射装置 (Bone cement automatic mixing injection device for vertebroplasty ) 是由 高振虹 于 2021-07-09 设计创作，主要内容包括：本发明公开了一种椎体成形术用骨水泥自动混合注射装置,涉及医疗器械领域,包括：调整装置、搅拌装置、注射装置,调整装置竖直固定安装在地面,为其他装置提供安装平台,搅拌装置固定安装在调整装置上,注射装置固定安装在搅拌装置下方,调整装置可以调整注射的角度使患者可以用更舒适的姿势迎接手术,搅拌装置可以将手术所需要的骨水泥充分搅拌,注射装置用来将搅拌好的骨水泥注入到人体内,本发明可以同时实现搅拌和注射同时进行与任意调整注射的角度。(The invention discloses an automatic bone cement mixing and injecting device for vertebroplasty, which relates to the field of medical instruments and comprises: the bone cement injection device comprises an adjusting device, a stirring device and an injection device, wherein the adjusting device is vertically and fixedly arranged on the ground and provides an installation platform for other devices, the stirring device is fixedly arranged on the adjusting device, the injection device is fixedly arranged below the stirring device, the adjusting device can adjust the injection angle to enable a patient to meet an operation in a more comfortable posture, the stirring device can fully stir bone cement required by the operation, and the injection device is used for injecting the stirred bone cement into a human body.)

1. The utility model provides a bone cement automatic mixing injection device for vertebroplasty which characterized in that: the bone cement injection device comprises an adjusting device, a stirring device and an injection device, wherein the adjusting device is vertically and fixedly arranged on the ground and provides a mounting platform for other devices, the stirring device is fixedly arranged on the adjusting device, the injection device is fixedly arranged below the stirring device, the adjusting device is used for adjusting the injection angle, the stirring device is used for fully stirring bone cement required by an operation, the injection device is used for injecting the stirred bone cement into a human body, the adjusting device is provided with an outer frame, a middle frame and an inner frame, the outer frame, the middle frame and the outer ring of the outer frame are respectively provided with a fastener, the fastener is provided with a moving shaft, the moving shaft in the fastener arranged on the outer ring of the outer frame is rotatably arranged between the middle frame and the inner frame to fix the inner frame, and the moving shaft in the fastener arranged on the outer frame and the middle frame is rotatably arranged between the outer frame and the middle frame to fix the middle frame, the injection device is characterized in that a rotating handle is rotatably arranged on the moving shaft, a vertical pinch roller is arranged on the moving shaft in the fastener arranged on the outer ring of the external frame, a transverse pinch roller is arranged on the moving shaft in the fastener arranged on the external frame and the middle frame, the transverse pinch roller and the vertical pinch roller are controlled to move forwards and backwards along the moving shaft by rotating the rotating handle, and the injection angle of the injection device is controlled by the tightness of the middle frame and the internal frame by the advancing and retreating of the transverse pinch roller and the vertical pinch roller;

Injection device be provided with the space bar, space bar below fixed mounting have a lower part board, space bar bottom rotate and install the bushing, last bushing bottom install toggle gear and move the gear and drive the bushing and rotate, last bushing on have the aperture that can make bone cement pass through, lower part board on fixed mounting transport the small hole on the bushing and flow into and transport in the small hole, lower part board below be provided with down the bushing, lower bushing below be provided with injection subassembly and propelling movement subassembly, injection subassembly and propelling movement subassembly fixed mounting together, inject bone cement into human through injection subassembly and propelling movement subassembly.

2. The automatic bone cement mixing and injecting device for vertebroplasty according to claim 1, wherein: the injection assembly is fixedly arranged below the lower leakage plate, the injection tube is fixedly arranged below the lower leakage plate, the motor is fixedly arranged below the lower leakage plate, the output end of the motor penetrates through the injection tube, and bone cement is conveyed into a device to be input through the injection tube in the rotating process of the motor.

3. The automatic bone cement mixing and injecting device for vertebroplasty according to claim 2, wherein: the motor is installed together with the reversing valve, and the reversing valve is installed in the injection pipe to realize the conversion of different transmission pipeline transmission processes.

4. The automatic bone cement mixing and injecting device for vertebroplasty according to claim 1, wherein: the pushing assembly is provided with a transfer rack, the transfer rack is meshed with a transfer gear, the transfer gear is meshed with a power gear, the power gear is connected with a motor, the transfer rack is meshed with the transfer gear, and the pneumatic equipment is moved to be butted with equipment to be input through the matching of the power gear, the transfer gear and the transfer rack so as to inject bone cement in the equipment to a human body.

5. The auto-mixing injection device for bone cement for vertebroplasty according to claim 4, wherein: the pneumatic device is provided with an extruder, the extruder is provided with an air pipe, the air pipe is connected with the air cylinder, and compressed air in the air cylinder is input into the input device through the air pipe.

6. The automatic bone cement mixing and injecting device for vertebroplasty according to claim 1, wherein: agitating unit be provided with and press the lid, press and move lid below fixed mounting have the bracing piece, bracing piece fixed mounting is on the sealing plug, sealing plug fixed mounting is on outer barrel, outer barrel inner wall install the stirring subassembly, the stirring subassembly be provided with sun gear, sun gear and a plurality of running gear meshing be in the same place, running gear on install a major axis respectively, the major axis on all install and stir the flabellum, sun gear stirs the flabellum through running gear and major axis drive and stirs the flabellum and stir bone cement.

7. The auto-mixing injection device of bone cement for vertebroplasty according to claim 6, wherein: the outer barrel inner wall be equipped with the slide rail, the slide rail of outer barrel on slidable mounting have interior barrel, interior barrel can be inside the slip of outer barrel.

Technical Field

The invention relates to the field of medical instruments, in particular to an automatic bone cement mixing and injecting device for vertebroplasty.

Background

The vertebroplasty, which is called percutaneous puncture vertebroplasty clinically, belongs to minimally invasive surgery, and is a technique for strengthening a vertebral body by injecting bone cement (polymethyl acrylate or artificial bone) into a diseased vertebral body.

Application CN201420003695.4 discloses a bone cement injection device, its technical scheme is: the injection device is characterized by further comprising a power supply, a control circuit board and a stepping motor with a locking device, wherein the power supply is connected with the control circuit board, the input end of the control circuit board is provided with a control key, and the output end of the control circuit board is connected with the control end of the stepping motor. The stepping motor with the locking device can enable the injection amount and the injection force to be accurately controllable, and when the pressure of the bone cement exceeds a set pressure limit, the stepping motor can be automatically locked. Although the application can greatly improve the operation speed, a very important problem is ignored, that is, if the experience of a doctor is insufficient or the time is delayed due to accidents during the operation, the bone cement is solidified, so that the operation is possibly failed, and therefore the invention discloses the bone cement automatic mixing injection device for the vertebroplasty.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a device capable of solving the technical problem of simultaneously realizing stirring and injection and arbitrarily adjusting the angle of a needle tube aiming at the defects in the prior art.

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a bone cement automatic mixing injection device for vertebroplasty, includes adjusting device, agitating unit, injection apparatus, and the vertical fixed mounting of adjusting device is on ground, provides the installation platform for other devices, agitating unit fixed mounting is on adjusting device, injection apparatus fixed mounting is in agitating unit below, adjusting device adjustment injection angle, agitating unit fully stirs the required bone cement of operation, injection apparatus is used for pouring into the human body with the bone cement that stirs, adjusting device be provided with outside frame, intermediate frame and inside frame, outside frame and intermediate frame all install a binding with outside frame outer lane, the binding be provided with the motion axle, the motion axle of installing in the binding of outside frame outer lane rotates to install and fixes inside frame between intermediate frame and the intermediate frame, the motion axle of installing in the binding on outside frame and intermediate frame rotates to install and fix the intermediate frame between outside frame and intermediate frame The injection device is characterized in that a rotating handle is rotatably arranged on the moving shaft, a vertical pinch roller is arranged on the moving shaft in the fastener arranged on the outer ring of the external frame, a transverse pinch roller is arranged on the moving shaft in the fastener arranged on the external frame and the middle frame, the transverse pinch roller and the vertical pinch roller are controlled to move forwards and backwards along the moving shaft by rotating the rotating handle, and the injection angle of the injection device is controlled by controlling the tightness of the middle frame and the internal frame by controlling the advancing and the retreating of the transverse pinch roller and the vertical pinch roller.

Injection device be provided with the space bar, space bar below fixed mounting have a lower part board, space bar bottom rotate and install the bushing, last bushing bottom install toggle gear and move the gear and drive the bushing and rotate, last bushing on have the aperture that can make bone cement pass through, lower part board on fixed mounting transport the small hole on the bushing and flow into and transport in the small hole, lower part board below be provided with down the bushing, lower bushing below be provided with injection subassembly and propelling movement subassembly, injection subassembly and propelling movement subassembly fixed mounting together, inject bone cement into human through injection subassembly and propelling movement subassembly.

Injection device be provided with the space bar, space bar below fixed mounting have a lower part board, space bar bottom rotate and install the bushing, last bushing bottom install toggle gear and move the gear and drive the bushing and rotate, last bushing on have the aperture that can make bone cement pass through, lower part board on fixed mounting transport the small hole on the bushing and flow into and transport in the small hole, lower part board below be provided with down the bushing, lower bushing below be provided with injection subassembly and propelling movement subassembly, injection subassembly and propelling movement subassembly fixed mounting together, inject bone cement into human through injection subassembly and propelling movement subassembly.

Furthermore, the injection assembly is fixedly installed below the lower leakage plate, an injection pipe is fixedly installed below the lower leakage plate, a motor is fixedly installed below the lower leakage plate, the output end of the motor penetrates through the injection pipe, and bone cement is sent into the device to be input through the injection pipe in the rotating process of the motor.

Furthermore, the motor and the reversing valve are installed together, and the reversing valve is installed in the injection pipe to realize the conversion of different transmission pipeline transmission processes.

Furthermore, the pushing assembly is provided with a transfer rack, the transfer rack is meshed with a transfer gear, the transfer gear is meshed with a power gear, the power gear is connected with a motor, the transfer rack is meshed with the transfer gear, and the pneumatic equipment is moved to be butted with equipment to be input through the matching of the power gear, the transfer gear and the transfer rack so as to inject bone cement in the pneumatic equipment into a human body.

Furthermore, the pneumatic device is provided with an extruder, an air pipe is mounted on the extruder, the air pipe is connected with the air cylinder, and compressed air in the air cylinder is input into the input device through the air pipe.

Furthermore, agitating unit be provided with and press the lid, press and to move lid below fixed mounting have the bracing piece, bracing piece fixed mounting is on the sealing plug, sealing plug fixed mounting is on outer barrel, outer barrel inner wall install the stirring subassembly, the stirring subassembly be provided with sun gear, sun gear and a plurality of running gear meshing be in the same place, running gear on install a major axis respectively, the major axis on all install and stir the flabellum, sun gear stirs the flabellum through running gear and major axis drive and stirs the flabellum and stir bone cement.

Further, outer barrel inner wall be equipped with the slide rail, the slide rail of outer barrel on slidable mounting have interior barrel, interior barrel can be inside the slip at outer barrel.

Compared with the prior art, the invention has the beneficial effects that: (1) the invention is provided with the adjusting device, so that the angle of the injection device can be convenient for the implementation of the operation; (2) the stirring device is arranged, so that the stirring and injection functions are realized simultaneously; (3) the injection device is arranged, seamless connection between the injection process and the pushing process is realized, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIGS. 2 to 4 are schematic views of an adjusting device according to the present invention;

FIGS. 5 to 8 are schematic views of a stirring apparatus according to the present invention;

fig. 9-13 are schematic views of the injection device of the present invention.

Detailed Description

In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in figure 1 a bone cement automatic mixing injection apparatus for vertebroplasty, including adjusting device 1, agitating unit 2, injection apparatus 3, the vertical fixed mounting of adjusting device 1 is on ground, provide the mounting platform for other devices, agitating unit 2 fixed mounting is on adjusting device 1, injection apparatus 3 fixed mounting is in agitating unit 2 below, adjusting device 1 can adjust the angle of injection and make the patient can operate with more comfortable angle, agitating unit 2 can prevent the time overlength solidification with the required bone cement intensive mixing of operation, injection apparatus 3 is used for pouring into the human body with the bone cement that stirs well.

The adjusting device 1 shown in fig. 2 to 4 comprises a base 101, a telescopic shaft 102, an outer frame 103, an intermediate frame 104, an inner frame 105, a vertical mounting plate 106, a rotating handle 107, a vertical pinch roller 108, a transverse pinch roller 109 and a moving shaft 110, wherein the telescopic shaft 102 is fixedly mounted on the base 101, the outer frame 103, the intermediate frame 104 and the inner frame 105 are mounted together through the moving shaft 110, the rotating handle 107, the vertical pinch roller 108 and the transverse pinch roller 109 are rotatably mounted on the moving shaft 110, the vertical mounting plate 106 is fixedly mounted on the intermediate frame 104, bone cement required for an operation is injected into an inner cylinder 206, the angle between the intermediate frame 104 and the inner frame 105 is controlled by screwing the rotating handle 107 to press the vertical pinch roller 108 and the transverse pinch roller 109, and the intermediate frame 104 and the inner frame 105 are fixed by reversing the rotating handle 107 after the angle is adjusted to a proper angle.

As shown in fig. 5 to 8, the stirring device 2 includes a pressing cover 201, a support rod 202, a rolling screw 203, an outer cylinder 204, a sealing plug 205, an inner cylinder 206, a slide rail 207, a central gear 208, a rotating gear 209, a long shaft 210, and stirring blades 211, wherein the pressing cover 201 is fixedly installed on the support rod 202, the rolling screw 203 is rotatably installed on the pressing cover 201, the inner cylinder 206 is slidably installed on the slide rail 207 on the inner wall of the outer cylinder 204, the central gear 208 is rotatably installed on the rolling screw 203, the central gear 208 is engaged with the rotating gear 209, the long shaft 210 is fixedly installed with the rotating gear 209, the stirring blades 211 are fixedly installed on the long shaft 210, the pressing cover 201 is squeezed, the rolling screw 203 moves downward while rotating, the rolling screw 203 drives the central gear 208 to rotate when rotating, the rotating gear 209 is driven to rotate by gear engagement, the long shaft 210 is driven to rotate by the rotating gear 209, thereby rotating the stirrer blades 211 to stir the bone cement.

As shown in fig. 9-13, the injection device 3 comprises a partition plate 301, a lower plate 302, a cylinder 303, an air tube 304, an extruder 305, a sealing ring 306, a lower leakage plate 307, a motor 308, a moving gear 309, a toggle gear 310, an upper leakage plate 311, a moving leakage barrel 312, a power gear 313, a transfer gear 314, a transfer rack 315, a connecting plate 316, a reversing valve 317 and an injection tube 318, wherein the partition plate 301 is fixedly arranged on the inner wall of the inner frame 105, the lower plate 302 is fixedly arranged on the inner frame 105, the lower leakage plate 307 is fixedly arranged on the outer cylinder 204, the upper leakage plate 311 is slidably arranged below the partition plate 301, the moving leakage barrel 312 is fixedly arranged on the lower plate 302, the motor 308 is fixedly arranged on the air tube 304, the reversing valve 317 is arranged in the air tube 304, the reversing valve 317 is arranged on the motor, the power gear 313 is meshed with the transfer gear 314, the moving gear 309 and the toggle gear 310 are arranged on the upper leakage plate 311, the moving gear 309 and the toggle gear 310 are meshed together, the extruder 305 is fixedly arranged on the connecting plate 316, the type of a motor used by the device is Y80M1-2, the motor 308 is started to drive the toggle gear 310 and the power gear 313 to rotate, the toggle gear 310 drives the moving gear 309 to rotate, the moving gear 309 drives the upper leakage plate 311 to rotate, the moving leakage bucket 312 on the upper surface of the upper leakage plate 311 aligns with the groove on the partition plate 301 in the rotating process of the upper leakage plate 311, bone cement flows onto the lower leakage plate 307 from the moving leakage bucket 312, the bone cement flows into the injection tube 318 along the leak hole of the lower leakage plate 307, the transfer gear 314 rotates at the same time, the transfer gear 314 drives the transfer rack 315 to rotate, and the injection tube is sealed by the reversing valve after injection. The transfer rack 315 drives the squeezer 305 to move and the air in the cylinder 303 pushes the bone cement into the human body through the air tube 304.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.