CN112790852B - Vertebral body shaper with expansion distance control mechanism - Google Patents
Vertebral body shaper with expansion distance control mechanism Download PDFInfo
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- CN112790852B CN112790852B CN202011521295.9A CN202011521295A CN112790852B CN 112790852 B CN112790852 B CN 112790852B CN 202011521295 A CN202011521295 A CN 202011521295A CN 112790852 B CN112790852 B CN 112790852B
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- pipe
- tube
- hole
- block
- sliding plate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
- A61B17/8855—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc inflatable, e.g. kyphoplasty balloons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
Abstract
The invention relates to the technical field of medical instruments and discloses a vertebral body forming device with a mechanism for controlling an expansion distance, which comprises a tube, wherein the tube is in a round tube-shaped structure, scales are arranged on the outer circumferential wall surface of the tube, a puncture tube is arranged inside the tube and is in a round tube-shaped structure, a puncture propulsion mechanism is arranged outside a threaded tube arranged at the far side of the inner circumferential wall surface of the puncture tube, a driving column is arranged, when the device works, a medical worker twists a poking block to drive the driving column to rotate, when a limiting block is in threaded connection with the driving column through a driving hole, the driving column rotates to drive the limiting block to move, a limiting hole formed in the limiting block is connected with a sliding block, at the moment, the limiting block moves to drive the puncture tube to move, and the medical worker can cover the degree of the scales formed on the outer circumferential wall surface of the tube according to the movement of the limiting block, the extent to which the device punctures the patient may be further determined.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vertebral body shaper with an expansion distance control mechanism.
Background
If the human body is lack of calcium for a long time, osteoporosis can be caused, and fracture can be caused seriously. For vertebral compression fracture caused by osteoporosis, the traditional conservative treatment method emphasizes bed rest, but can not quickly and effectively relieve continuous and serious pain of a patient, and the pain and the kyphotic deformity are aggravated due to further compression of a damaged vertebra after the patient gets out of bed, so that the volume of the chest is reduced, the ventilation is obstructed, the chronic hypoxia is caused, the cardiopulmonary dysfunction is caused, and the death rate is obviously increased. In recent years, percutaneous vertebroplasty and balloon-expanded kyphoplasty developed on the basis have the advantages of being minimally invasive, rapidly relieving pain, fully improving kyphotic deformity and the like, and a new way is opened for treating intractable diseases.
Percutaneous vertebroplasty is the injection of bone cement into a diseased vertebral body to achieve the purposes of enhancing the strength of the vertebral body, eliminating or relieving waist pain and preventing the vertebral body from being fractured again. The balloon-expanded kyphoplasty is to send a specially-made high-pressure-resistant small balloon into cancellous bone of a vertebral body, recover the height of the vertebral body by utilizing pressure generated by balloon expansion, correct kyphotic deformity, finally inject bone cement into a cavity generated by balloon expansion, and the distance of a vertebral body shaper during puncturing the human body is difficult to control; in order to solve the above problems, a vertebral body shaper with a mechanism for controlling an expansion distance is proposed, which can control a puncture distance, wherein the distance between the expanded bone blocks is difficult to control, the distance between the expanded bone blocks can be compressed again under the condition of muscle or shaking, and the collapsed fragments can move into the body along with the sliding of the bone.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the vertebral body shaper with the expansion distance control mechanism, which has the advantages of determining the puncture degree of the device on a patient and the like, and solves the problem that the distance of the vertebral body shaper is difficult to control when the vertebral body shaper punctures a human body; the distance that the vertebral body shaper struts the collapsed spine is difficult to control.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a centrum shaper with control expansion distance mechanism, includes the pipe, the pipe is the tubular structure of circle, and the scale has been seted up to the excircle wall of pipe, and the inside of pipe is provided with the puncture pipe, and the puncture pipe is the tubular structure of circle, and the outside of pipe is provided with puncture advancing mechanism, and the inside of puncture pipe is provided with gasbag supporting mechanism, and one side of pipe is provided with injection mechanism.
Preferably, the puncture propulsion mechanism comprises a sliding hole, the outer circular wall surface of the tube is provided with a sliding hole, the sliding hole is a rectangular groove, the top surface of the puncture tube is fixedly provided with a sliding block, the sliding block is of a rectangular structure, the sliding hole is in sliding clamping connection with the sliding block, the right side of the outer circular wall surface of the tube is provided with a right side block, the right side block is of a round block-shaped structure, one side of the right side block is provided with a right side hole, the right side hole is a round through hole, the right side block is in sliding clamping connection with the tube through the right side hole, two sides of the outer circular wall surface of the right side block, which are far away from each other, are fixedly provided with edge blocks, the edge blocks are of a rectangular structure, the left side of the outer circular wall surface of the tube is provided with a left side block, the left side block is of a round block, one side of the left side block is provided with a round through hole, one side of the left side block is provided with a left side limiting groove, the left side limiting groove is a round groove, one side of the right side block is provided with a right side limiting groove, the right limiting groove is a circular groove, the driving column is rotatably sleeved in the right limiting groove, the driving column is of a cylindrical structure, the outer circular wall surface of the driving column is provided with a thread, the far end of the driving column extends into the left limiting groove and is rotatably sleeved with the left limiting groove, the outer circular wall surface of the tube is provided with a limiting block, the limiting block is of a round block-shaped structure, one side of the limiting block is provided with a limiting hole which is a circular through hole, the limiting block is movably sleeved with the tube through the limiting hole, the inner top surface of the limiting hole is fixedly installed with the top surface of a sliding block, one side of the limiting block is provided with a driving hole which is a circular through hole, the inner part of the driving hole is provided with a thread, the driving hole is movably sleeved with the driving column and is connected with the driving column through the thread, the outer circular wall surface of the driving column is fixedly sleeved with a poking block, and the poking block is of a cylindrical structure, one side of the stirring block is provided with a circular through hole, and the excircle wall surface of the stirring block is an uneven surface.
Preferably, the airbag supporting mechanism comprises an inner tube, the inner tube is sleeved in the puncture tube in an inner movable manner, a first side hole is formed in one side of the far end of the inner tube and is a circular through hole, a gas penetrating tube is sleeved in the first side hole in an inner movable manner and is of a circular tube-shaped structure, two gas holes are formed in the far end position of the outer circular wall surface of the gas penetrating tube and are circular through holes, the far end of the gas penetrating tube is fixedly connected with an airbag, the airbag is of an existing structure and is not repeated, an upper supporting plate and a lower supporting plate are arranged on the upper side and the lower side of the airbag respectively, the upper supporting plate and the lower supporting plate are of arc-shaped structures, a plurality of lower sliding plates are fixedly mounted on the top surface of the lower supporting plate, the lower sliding plates are of a rectangular structure, a plurality of upper sliding plates are fixedly mounted on the bottom surface of the upper supporting plate and are of a rectangular structure, the upper sliding plates correspond to the lower sliding plates in position, and connecting grooves are formed in the top surface of the lower sliding plates, the connecting groove is a rectangular groove, the upper sliding plate and the connecting groove are movably clamped together, the bottom end of the upper sliding plate extends into the lower sliding plate through the connecting groove, one side of the upper sliding plate is provided with an inner groove, the cross section of the inner groove is a rectangular groove, the top surface inside the inner groove is fixedly provided with a clamping strip, the cross section of the clamping strip is a rectangular block, the clamping strip is fixedly arranged on the top surface inside the inner groove in a forty-five degree manner, one end, extending downwards, of the clamping strip extends towards the outside of the inner groove and extrudes one side, extending downwards, of the inner groove, one side inside the inner groove is fixedly provided with an extrusion piece, the extrusion piece is an elastic metal sheet, the other end of the extrusion piece extends towards the outside of the inner groove, one end, extending outwards, of the extrusion piece extends towards the outside of the inner groove and is fixedly arranged together with one end, extending downwards, of the lower sliding plate is provided with a plurality of limiting grooves, the vertical sections of the limiting grooves are triangular, one end of the clamping strip extending downwards the sliding plate is movably clamped with one of the limiting grooves.
Preferably, the injection mechanism comprises an injection long pipe, the near end of the air penetration pipe is provided with the injection long pipe, the injection long pipe is of a cylindrical hollow structure, the far end of the injection long pipe is provided with an injection hole, the injection hole is a circular through hole, an injection short pipe is fixedly installed inside the injection hole, the injection short pipe is of a truncated cone-shaped hollow structure, both sides of the injection short pipe are both provided with openings, the near end of the injection long pipe is provided with a right side through hole, the right side through hole is a circular through hole, a side pipe is fixedly installed inside the right side through hole, the side pipe is of a circular pipe-shaped structure, the inner circular wall surface of the side pipe is provided with a thread, the inside of the injection long pipe is provided with a propulsion block, the propulsion block is a circular block, one side of the propulsion block is fixedly installed with a push rod, the push rod is of a cylindrical structure, the outer circular wall surface of the push rod is provided with a thread, the near end of the push rod passes through the side pipe and extends to one side of the injection long pipe, the near end of the push rod is fixedly installed with a rotating block, the fan-shaped through-hole of a plurality of has been seted up to one side of turning block, the second side opening has been seted up to the opposite side of inner tube distal end, the second side opening is circular through-hole, the adsorption tube has been cup jointed in the inside activity of second side opening, the adsorption tube is the pipe-shaped structure, the near-end detachable of adsorption tube is connected with miniature aspiration pump, miniature aspiration pump sets up on the operating table usually, connect the near-end at the adsorption tube through detachable device with miniature aspiration pump when using, the distal position fixed mounting of circle wall surface has the filter screen in the adsorption tube, the filter screen is not repeated here for current structure.
(III) advantageous effects
Compared with the prior art, the invention provides a vertebral body shaper with a mechanism for controlling the expansion distance, which has the following beneficial effects:
1. this centrum shaper with control expansion distance mechanism, through setting up the drive column, in operation, medical personnel wrench movement stirring piece, stirring piece drives the drive column and rotates, when restriction piece passes through drive hole and drive column threaded connection together, the drive column rotates and can drive restriction piece and remove, restriction hole and the sliding block of seting up on the restriction piece link together, restriction piece removes and can drive the puncture pipe and remove this moment, the coverage degree of the scale of seting up on the cover organ pipe excircle wall when medical personnel can remove according to the restriction piece, the degree of the puncture of disease of the device of the definite that can step forward.
2. This centrum former with control expansion distance mechanism, through setting up the adsorption tube, prop open at medical personnel's gasbag and vacate when the space is prepared, at first with the inside that the adsorption tube extends to the cone through the second side opening, the miniature aspiration pump that the adsorption tube near-end is connected is started to the back, miniature aspiration pump passes through the adsorption tube with the bloody water, the bone piece adsorbs to the inside of adsorption tube, the inside of adsorption tube is provided with the filter screen, when adsorbing bloody water and bone piece, the bone piece blocks the one side at the filter screen by the filter screen that sets up, reached and propped open for the gasbag and vacate the space and prepare, the effect that the gasbag was impaled to the bone piece has been avoided.
3. This centrum shaper with control expansion distance mechanism, through setting up the injection long tube, medical personnel rotate the turning block, the turning block rotates, drive the catch bar and rotate, the catch bar rotates and drives the propulsion piece and rotates, when catch bar and side pipe threaded connection are together, the catch bar rotates and to make the catch bar remove, thereby make the propulsion piece remove, the propulsion piece removes and extrudees the inside air of injection long tube or water source to wearing tracheal inside, wear the inside of the gas pocket of seting up on the trachea with air or water source extrusion income gasbag, the gasbag inflation, thereby strut certain treatment space to the backbone inside that collapses.
4. This centrum shaper with control expansion distance mechanism, through setting up backup pad and bottom suspension fagging, it is in the top surface and the bottom surface of gasbag respectively to go up backup pad and bottom suspension fagging, when the gasbag inflation, it keeps away from each other with the bottom suspension fagging to go up the backup pad, go up the inside bottom surface that the spread groove was kept away from to the sliding plate on the backup pad drives, the inside and lasting upward movement of one of them restriction groove in a plurality of restriction groove are left to the card strip this moment, after the inside of restriction groove is left to the card strip, the card strip is extrudeed inside one side of spread groove by the power of extrusion piece expansion, when the every upward one section distance of removal of last sliding plate, the card strip just can be in the same place with one of them restriction groove joint, provide the sustainable force for last sliding plate through setting up card strip and restriction groove, the effect of fixed cone inner space has been reached.
5. This centrum shaper with control expansion distance mechanism through seting up right side restriction groove and left side restriction groove, provides the holding power for the drive column, has also restricted the position of drive column simultaneously, can not make the drive column displacement because of rotating the drive column, dials the piece through setting up, has made things convenient for the staff to rotate the drive column more, has seted up the scale in the outside of organ pipe, provides reference and accurate nature for medical personnel when utilizing the device puncture.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the left side block structure of the present invention;
FIG. 3 is a schematic view of the tube structure of the present invention;
FIG. 4 is a schematic view of the puncture tube of the present invention;
FIG. 5 is a schematic view of the inner tube structure of the present invention;
FIG. 6 is a schematic view of the configuration of the transtracheal tube of the present invention;
FIG. 7 is a schematic cross-sectional view of the lower slide plate configuration of the present invention;
FIG. 8 is a schematic view of the structure of the adsorption tube of the present invention;
fig. 9 is a schematic view of the injection long tube of the present invention.
In the figure: 1. a tube; 2. a puncture tube; 3. a slide hole; 4. a slider; 5. a right side block; 6. a right hole; 7. an edge block; 8. a left side block; 9. a left hole; 10. a left side restriction groove; 11. a right side restriction groove; 12. a drive column; 13. a shifting block; 14. a limiting block; 15. a limiting aperture; 16. a drive aperture; 17. an inner tube; 18. a first side hole; 19. a second side hole; 20. puncturing a trachea; 21. air holes; 22. an air bag; 23. an upper support plate; 24. a lower support plate; 25. a lower sliding plate; 26. an upper sliding plate; 27. connecting grooves; 28. an inner tank; 29. clamping the strip; 30. extruding the sheet; 31. injecting a long tube; 32. an injection hole; 33. injecting short pipes; 34. punching a hole on the right side; 35. a side tube; 36. a propulsion block; 37. a push rod; 38. rotating the block; 39. a limiting groove; 40. filtering with a screen; 41. an adsorption tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a vertebral body shaper with a mechanism for controlling an expansion distance comprises a tube 1, wherein the tube 1 is in a round tube structure, scales are arranged on the outer circumferential wall surface of the tube 1, a puncture tube 2 is arranged inside the tube 1, the puncture tube 2 is in a round tube structure, a puncture propulsion mechanism is arranged outside the tube 1, an air bag supporting mechanism is arranged inside the puncture tube 2, and an injection mechanism is arranged on one side of the tube 1.
Further, in the above scheme, the puncture propulsion mechanism comprises a sliding hole 3, the outer circumferential wall surface of the tube 1 is provided with the sliding hole 3, the sliding hole 3 is a rectangular groove, the top surface of the puncture tube 2 is fixedly provided with a sliding block 4, the sliding block 4 is of a rectangular structure, the sliding hole 3 and the sliding block 4 are slidably clamped together, the right side of the outer circumferential wall surface of the tube 1 is provided with a right side block 5, the right side block 5 is of a round block structure, one side of the right side block 5 is provided with a right side hole 6, the right side hole 6 is a circular through hole, the right side block 5 is fixedly sleeved with the tube 1 through the right side hole 6, two sides of the outer circumferential wall surface of the right side block 5, which are far away from each other, are fixedly provided with side blocks 7, the side blocks 7 are of a rectangular structure, the left side block 8 is arranged on the left side of the outer circumferential wall surface of the tube 1, the left side block 8 is of a round block structure, one side hole 9 is provided with a left side hole 9, one side of the left side block 8 is provided with a left side limiting groove 10, the left side limiting groove 10 is a circular groove, one side of the right side block 5 is provided with a right side limiting groove 11, the right side limiting groove 11 is a circular groove, the inside of the right side limiting groove 11 is rotatably sleeved with a driving column 12, the driving column 12 is a cylindrical structure, the outer circular wall surface of the driving column 12 is provided with a thread, the far end of the driving column 12 extends to the inside of the left side limiting groove 10 and is rotatably sleeved with the left side limiting groove 10, the outer circular wall surface of the tube 1 is provided with a limiting block 14, the limiting block 14 is a circular block-shaped structure, one side of the limiting block 14 is provided with a limiting hole 15, the limiting hole 15 is a circular through hole, the limiting block 14 is movably sleeved with the tube 1 through the limiting hole 15, the inner top surface of the limiting hole 15 is fixedly installed with the top surface of the sliding block 4, one side of the limiting block 14 is provided with a driving hole 16, the driving hole 16 is a circular through hole, screw thread has been seted up to the inside of driving hole 16, driving hole 16 cup joints together and with driving post 12 threaded connection with the activity of driving post 12, and the fixed stirring piece 13 that has cup jointed of excircle wall of driving post 12, stirring piece 13 are cylindrical structure, and circular through-hole has been seted up to one side of stirring piece 13, and the excircle wall of stirring piece 13 is unevenness's surface.
Further, in the above scheme, the airbag supporting mechanism includes an inner tube 17, the inner tube 17 is movably sleeved inside the puncture tube 2, one side of the distal end of the inner tube 17 is provided with a first side hole 18, the first side hole 18 is a circular through hole, the inner portion of the first side hole 18 is movably sleeved with a gas penetrating tube 20, the gas penetrating tube 20 is of a circular tube-shaped structure, the distal end of the outer circumferential wall surface of the gas penetrating tube 20 is provided with two gas holes 21, the gas holes 21 are circular through holes, the distal end of the gas penetrating tube 20 is fixedly connected with an airbag 22, the airbag 22 is an existing structure and is not described herein, the upper and lower sides of the airbag 22 are both provided with an upper supporting plate 23 and a lower supporting plate 24, the upper supporting plate 23 and the lower supporting plate 24 are of arc-shaped structures, the top surface of the lower supporting plate 24 is fixedly provided with a plurality of lower sliding plates 25, the lower sliding plate 25 is of a rectangular structure, the bottom surface of the upper sliding plate 23 is fixedly provided with a plurality of upper sliding plates 26, the upper sliding plate 26 is of a rectangular structure, the upper sliding plate 26 corresponds to the lower sliding plate 25 in position, the top surface of the lower sliding plate 25 is provided with a connecting groove 27, the connecting groove 27 is a rectangular groove, the upper sliding plate 26 is movably clamped with the connecting groove 27, the bottom end of the upper sliding plate 26 extends into the lower sliding plate 25 through the connecting groove 27, one side of the upper sliding plate 26 is provided with an inner groove 28, the cross section of the inner groove 28 is a rectangular groove, the top surface inside the inner groove 28 is fixedly provided with a clamping strip 29, the cross section of the clamping strip 29 is a rectangular block, the clamping strip 29 is fixedly arranged on the top surface inside the inner groove 28 in a forty-five degree manner, one end of the clamping strip 29 extending towards the lower sliding plate expands towards the outside of the inner groove 28 and extrudes one side inside the lower sliding plate 25, one side inside of the inner groove 28 is fixedly provided with an extruding sheet 30, the extruding sheet 30 is a metal sheet with elasticity, one end of the extruding sheet 30 extending outwards expands towards the outside of the inner groove 28 and is fixedly arranged with one end of the clamping strip 29 extending downwards, a plurality of limiting grooves 39 are formed in one side of the inner portion of the lower sliding plate 25, the vertical sections of the limiting grooves 39 are triangular grooves, and one end, extending towards the lower sliding plate, of the clamping strip 29 is movably clamped with one limiting groove 39 of the limiting grooves 39.
Further, in the above scheme, the injection mechanism includes an injection long tube 31, the proximal end of the air penetration tube 20 is provided with the injection long tube 31, the injection long tube 31 is a cylindrical hollow structure, the distal end of the injection long tube 31 is provided with an injection hole 32, the injection hole 32 is a circular through hole, an injection short tube 33 is fixedly installed inside the injection hole 32, the injection short tube 33 is a truncated cone-shaped hollow structure, both sides of the injection short tube 33 are open, the proximal end of the injection long tube 31 is provided with a right through hole 34, the right through hole 34 is a circular through hole, a side tube 35 is fixedly installed inside the right through hole 34, the side tube 35 is a circular tube-shaped structure, the inner circular wall surface of the side tube 35 is provided with a thread, the injection long tube 31 is internally provided with a propulsion block 36, the propulsion block 36 is a circular block, one side of the propulsion block 36 is fixedly installed with a push rod 37, the push rod 37 is a cylindrical structure, the outer circular wall surface of the push rod 37 is provided with a thread, the near-end of catch bar 37 passes side pipe 35 and extends to one side of injection long tube 31, the near-end fixed mounting of catch bar 37 has turning block 38, a plurality of fan-shaped through-hole has been seted up to one side of turning block 38, second lateral hole 19 has been seted up to the opposite side of inner tube 17 distal end, second lateral hole 19 is circular through-hole, the inside activity of second lateral hole 19 has cup jointed adsorption tube 41, adsorption tube 41 is the pipe-shaped structure, the near-end detachable of adsorption tube 41 is connected with miniature aspiration pump, miniature aspiration pump sets up on the operating table usually, can use at the near-end of adsorption tube 41 through pegging graft miniature aspiration pump when using, the far-side position fixed mounting of circle wall face has filter screen 40 in adsorption tube 41, filter screen 40 does not do the repeated description here for current structure.
When the puncture device is used, the drive column 12 is arranged, in operation, medical staff twists the poking block 13, the poking block 13 drives the drive column 12 to rotate, the limiting block 14 is connected with the drive column 12 through the drive hole 16 in a threaded manner, the drive column 12 rotates to drive the limiting block 14 to move, the limiting hole 15 formed in the limiting block 14 is connected with the sliding block 4, the limiting block 14 moves to drive the puncture tube 2 to move, the medical staff can further determine the degree of puncture of the puncture device for patients according to the coverage degree of scales formed on the excircle wall surface of the covering tube 1 when the limiting block 14 moves.
Through setting up adsorption tube 41, prop up at medical personnel gasbag 22 and vacate the space when preparing, at first extend to the inside of cone through second side hole 19 with adsorption tube 41, the miniature aspiration pump of 41 near-end connection of adsorption tube is started afterwards, the miniature aspiration pump passes through adsorption tube 41 with the bloody water, the bone piece adsorbs to the inside of adsorption tube 41, the inside of adsorption tube 41 is provided with filter screen 40, when adsorbing bloody water and bone piece, the bone piece blocks the one side at filter screen 40 by the filter screen 40 that sets up, reached and propped up vacate the space for gasbag 22 and made preparation, the effect of gasbag has been avoided the bone piece to pierce through.
Through setting up injection long tube 31, medical personnel rotate turning block 38, turning block 38 rotates, drive catch bar 37 rotates, catch bar 37 rotates and drives propulsion block 36 and rotate, when catch bar 37 and side pipe 35 threaded connection are together, catch bar 37 rotates and to make catch bar 37 remove, thereby make propulsion block 36 remove, propulsion block 36 removes and extrudes the inside air or the water source of injection long tube 31 to the inside of wearing trachea 20, the inside of gasbag 22 is extruded with air or water source to the gas pocket 21 of seting up on wearing trachea 20, gasbag 22 inflation, thereby strut certain treatment space to the backbone inside of collapsing.
Through setting up backup pad 23 and lower support plate 24, it is in the top surface and the bottom surface of gasbag 22 respectively to go up backup pad 23 and lower support plate 24, when gasbag 22 inflation, go up backup pad 23 and lower support plate 24 and keep away from each other, go up backup pad 23 and drive upper sliding plate 26 and keep away from the inside bottom surface of spread groove 27, card strip 29 leaves the inside of one of a plurality of restriction groove 39 and continues upward movement this moment, after card strip 29 leaves the inside of restriction groove 39, card strip 29 receives the inside one side of force extrusion spread groove 27 of extrusion piece 30, when every upward movement of last sliding plate 26 is a distance, card strip 29 just can be in the same place with one of them restriction groove 39 joint, provide the supportable power for upper sliding plate 26 through setting up card strip 29 and restriction groove 39, the effect of fixed cone inner space has been reached.
Through seting up right side restriction groove 11 and left side restriction groove 10, for the drive post 12 provides the holding power, has also restricted the position of drive post 12 simultaneously, can not make drive post 12 displacement because of rotating drive post 12, through setting up toggle block 13, has made things convenient for the staff to rotate drive post 12 more, has seted up the scale in the outside of organ pipe 1, provides reference and accurate nature for medical personnel when utilizing the device puncture.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A vertebroplasty device with means for controlling the expansion distance, comprising a tube (1), characterized in that: the scale has been seted up to the excircle wall of pipe (1), and the inside of pipe (1) is provided with puncture pipe (2), and the outside of pipe (1) is provided with puncture advancing mechanism, and the inside of puncture pipe (2) is provided with gasbag supporting mechanism, and one side of pipe (1) is provided with injection mechanism, puncture advancing mechanism includes sliding hole (3), sliding hole (3) have been seted up to the excircle wall of pipe (1), and the top surface fixed mounting of puncture pipe (2) has sliding block (4), and sliding hole (3) and sliding block (4) slip joint are in the same place, and the excircle wall right side of pipe (1) is provided with right side piece (5), and one side of right side piece (5) has been seted up right side hole (6), and right side piece (5) are in the same place with pipe (1) fixed cup jointing through right side hole (6), the excircle wall left side of pipe (1) is provided with left side piece (8), a left hole (9) is formed in one side of the left block (8), a left limiting groove (10) is formed in one side of the left block (8), a right limiting groove (11) is formed in one side of the right block (5), a driving column (12) is rotatably sleeved in the right limiting groove (11), a thread is formed in the outer circle wall surface of the driving column (12), the far end of the driving column (12) extends into the left limiting groove (10) and is rotatably sleeved with the left limiting groove (10), and a limiting block (14) is arranged on the outer circle wall surface of the pipe (1); one side of the limiting block (14) is provided with a limiting hole (15), and the limiting block (14) is movably sleeved with the tube (1) through the limiting hole (15); scales are arranged on the outer circle wall surface of the covering pipe (1) when the limiting block (14) moves;
the inside top surface of restriction hole (15) is in the same place with the top surface fixed mounting of sliding block (4), and drive hole (16) have been seted up to one side of restriction piece (14), and the inside of drive hole (16) is seted up threadedly, and drive hole (16) and drive post (12) activity cup joint together and with drive post (12) threaded connection together, the excircle wall of drive post (12) is fixed to be cup jointed and is dialled movable block (13).
2. A vertebral body shaper with a controlled expansion distance mechanism as defined in claim 1, wherein: two sides of the excircle wall surface of the right block (5), which are far away from each other, are fixedly provided with edge blocks (7); the excircle wall surface of the shifting block (13) is an uneven surface.
3. A vertebral body shaper with a controlled expansion distance mechanism according to claim 2, wherein: the airbag supporting mechanism comprises an inner tube (17), the inner tube (17) is sleeved on the inner portion of the puncture tube (2), a first side hole (18) is formed in one side of the far end of the inner tube (17), the air penetrating tube (20) is sleeved on the inner portion of the first side hole (18), two air holes (21) are formed in the far end position of the outer circle wall face of the air penetrating tube (20), and the far end of the air penetrating tube (20) is fixedly connected with an airbag (22).
4. A vertebral body shaper with a controlled expansion distance mechanism according to claim 3, wherein: the upper and lower both sides of gasbag (22) all are provided with backup pad (23) and bottom suspension fagging (24), the top surface fixed mounting of bottom suspension fagging (24) has a plurality of lower sliding plate (25), the bottom surface fixed mounting who goes up backup pad (23) has a plurality of upper sliding plate (26), upper sliding plate (26) are corresponding with the position of lower sliding plate (25), spread groove (27) have been seted up to the top surface of lower sliding plate (25), upper sliding plate (26) and spread groove (27) activity joint are in the same place, the inside that spread groove (27) extended to lower sliding plate (25) is passed through to the bottom of upper sliding plate (26).
5. A vertebral body shaper with a controlled expansion distance mechanism according to claim 4, wherein: an inner groove (28) is formed in one side of the upper sliding plate (26), a clamping strip (29) is fixedly mounted on the top surface of the inner portion of the inner groove (28), the clamping strip (29) is fixedly mounted on the top surface of the inner portion of the inner groove (28) in a forty-five degree mode, one end, extending towards the lower sliding plate, of the clamping strip (29) expands towards the outer portion of the inner groove (28) and extrudes one side of the inner portion of the lower sliding plate (25), an extruding sheet (30) is fixedly mounted on one side of the inner portion of the inner groove (28), the end, extending outwards, of the extruding sheet (30) expands towards the outer portion of the inner groove (28) and is fixedly mounted together with one end, extending towards the lower sliding plate, of the clamping strip (29), the limiting grooves (39) are formed in one side of the inner portion of the lower sliding plate (25), the vertical sections of the limiting grooves (39) are triangular grooves, and one end, extending towards the lower sliding plate, of the clamping strip (29) is movably clamped with one of the limiting grooves (39).
6. A vertebral body shaper with a controlled expansion distance mechanism according to claim 5, wherein: the injection mechanism comprises an injection long pipe (31), an injection long pipe (31) is arranged at the near end of the air penetration pipe (20), an injection hole (32) is formed in the far end of the injection long pipe (31), an injection short pipe (33) is fixedly arranged inside the injection hole (32), a right perforation (34) is formed in the near end of the injection long pipe (31), a side pipe (35) is fixedly arranged inside the right perforation (34), a thread is formed in the inner circular wall surface of the side pipe (35), a pushing block (36) is arranged inside the injection long pipe (31), a pushing rod (37) is fixedly arranged on one side of the pushing block (36), a thread is formed in the outer circular wall surface of the pushing rod (37), the near end of the pushing rod (37) penetrates through the side pipe (35) and extends to one side of the injection long pipe (31), a rotating block (38) is fixedly arranged on the near end of the pushing rod (37), a plurality of fan-shaped through holes are formed in one side of the rotating block (38), a second side hole (19) is formed in the other side of the far end of the inner pipe (17), an adsorption pipe (41) is movably sleeved inside the second side hole (19), a micro air pump is arranged at the near end of the adsorption pipe (41), and a filter screen (40) is fixedly mounted at the far side position of the inner circle wall surface of the adsorption pipe (41).
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