CN106308984B - Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device - Google Patents
Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device Download PDFInfo
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- CN106308984B CN106308984B CN201610794830.5A CN201610794830A CN106308984B CN 106308984 B CN106308984 B CN 106308984B CN 201610794830 A CN201610794830 A CN 201610794830A CN 106308984 B CN106308984 B CN 106308984B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4687—Mechanical guides for implantation instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4688—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor having operating or control means
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
A kind of rotating mechanism the present invention relates to Bidirectional up-down fusion device and for driving Bidirectional up-down fusion device, Bidirectional up-down fusion device includes screw rod, realizing middle limiting frame, shell, upper elevator and lower elevator, the shell is set in the realizing middle limiting outer frame, and realizing middle limiting frame is slidably connected with shell, one end of screw rod is connect with the threaded one end of realizing middle limiting frame, the first skewed slot is offered on the two side of realizing middle limiting frame, second skewed slot, first skewed slot, the inclined direction of second skewed slot is opposite, the side wall of upper elevator is equipped with the first bolt being slidably matched with first skewed slot, the side wall of lower elevator is equipped with the second bolt being slidably matched with the second skewed slot.It is dynamic that screw rod pulls realizing middle limiting to frame shift, and the first bolt is driven to be moved along the first skewed slot, drives the second bolt to be moved along the second skewed slot, elevator and lower elevator is made to rise or fall, and realizes that height is adjusted；And inner space is larger, and bone grafting can be more, and healing success rate is higher.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of Bidirectional up-down fusion device and for driving Bidirectional up-down to melt
The rotating mechanism of clutch.
Background technology
In daily life, cause the case that centrum damages to happen occasionally due to tumour, fracture, infection etc., controlling
It is one fusion device of implantation between the centrum of damage by the way of at present when treating these patients, so that bone tissue generation is creeped and replace
In generation, to repair the centrum of damage, however traditional threaded fusion cage height is fixed, and the intervertebral height of human body can be due to people
It is different, the different intervertebral heights of different patients can not be suitble to by adjusting the height of threaded fusion cage during surgery, thus can not
So that threaded fusion cage is applicable in the intervertebral height of human body completely, affects therapeutic effect.The general vertebra with height adjusting function
Body fusion device is unstable when using, and inner space is smaller, and the space for easily causing bone grafting in operation is small, influences the success rate that heals.
Invention content
Based on this, it is necessary in view of the drawbacks of the prior art, provide a kind of Bidirectional up-down fusion device and two-way for driving
The rotating mechanism for lifting fusion device can realize that threaded fusion cage height is adjusted, using steady, and threaded fusion cage inner space compared with
Greatly, the space of bone grafting is big in operation, and bone grafting is more, and healing success rate is higher.
Its technical solution is as follows：
A kind of Bidirectional up-down fusion device, including screw rod, realizing middle limiting frame, shell, upper elevator and lower elevator, it is described outer
Valve jacket is located at the realizing middle limiting outer frame, and realizing middle limiting frame is slidably connected with shell, and one end of the screw rod passes through outside described
Shell is connect with the threaded one end of the realizing middle limiting frame, the upper end pivot bush unit of the upper elevator and realizing middle limiting frame, described
The lower end pivot bush unit of lower elevator and realizing middle limiting frame, offer on the two side of the realizing middle limiting frame the first skewed slot,
Second skewed slot, first skewed slot, the second skewed slot inclined direction on the contrary, the side wall of the upper elevator is equipped with and described the
The first bolt that one skewed slot is slidably matched, the side wall of the lower elevator are equipped be slidably matched with second skewed slot second
Bolt.
Its further technical solution is as follows：
First skewed slot, two second skewed slots there are two being opened up on the two side of the realizing middle limiting frame, institute
The first skewed slot and the second skewed slot is stated to arrange above and below the short transverse of realizing middle limiting frame, two first skewed slots of the same side,
Two second skewed slots are respectively along the direction arranged for interval parallel with the screw rod extending direction, and first skewed slot, the
Two skewed slots are square shoot, and first bolt, the second bolt are square pin.
The Bidirectional up-down fusion device further includes spacer pin, and the described one end of realizing middle limiting frame far from the screw rod is equipped with the
One limit hole, the shell are equipped with the second limit hole corresponding with first limit hole, and the spacer pin is set to described the
In one limit hole and the second limit hole, realizing middle limiting frame is made to be slidably connected with shell.
The screw rod includes the thread segment and linkage section being connected, the linkage section close to the rod segment of thread segment be equipped with around
The annular groove of its axial line, the thread segment are threadedly coupled with the realizing middle limiting frame, and the linkage section passes through the annular
Groove is rotatably assorted and is limited on the housing with the shell, and the linkage section stretches out the rod segment of the shell in not rounded
Column.
The shell offers the U-shaped through-hole with opening, the U-shaped through-hole and the ring on the end face of screw rod
Connected in star matches.
Anti-slop serrations, and upper elevator and lower liter are equipped on the upper surface of the upper elevator, the lower face of lower elevator
Mounting hole is offered on drop block, the mounting hole is connected to the realizing middle limiting frame.
It is in horn-like folder support that the shell is equipped with close to one end lateral surface of screw rod.
A kind of rotating mechanism for driving the Bidirectional up-down fusion device, including torsion bar, handle, torsion bar end, sandwich
And chuck, one end of the torsion bar end is stretched into the handle and energy opposite handle rotation, and institute is stretched into one end of the torsion bar
It states and is connect with the torsion bar end in handle, for being connect with the screw rod, the sandwich is set in the other end of the torsion bar
Outside torsion bar, and one end of sandwich is connect with handle, and the other end of sandwich is in hold in the palm matched bell-mouth structure of air, the folder with the folder
It is set in outside sandwich and is threadedly coupled with sandwich, the chuck makes sandwich locking press from both sides support towards folder support rotation.
Its further technical solution is as follows：
The rotating mechanism further includes pointer nut, and the pointer nut is arranged in handle, and pointer nut with it is described
Torsion bar ends screw connects, and offers observation window corresponding with pointer nut travel range on the handle, and on handle with
Observation window corresponding position is equipped with the scale for showing upper elevator and lower elevator adjustable height.
The rotating mechanism further includes closure nut, and the torsion bar end includes sequentially connected cooperation section, limit section, turns
Dynamic section and twist section, the cooperation section is equipped with the external screw thread coordinated with the pointer nut, and the cooperation section is far from limit
It has been dug on the end face of section and has been respectively less than institute with the matched groove of the torsion bar, the outer diameter of the cooperation section, rotational segment and twist section
The outer diameter of limit section is stated, the closure nut is set in outside the rotational segment and the end face of closure nut is connected to the limit
Duan Yiduan, closure nut are detachably connected with the handle.
The pointer nut is square nut, be equipped in the handle with the matched rectangular cavity of the square nut, it is described
Closure nut includes the extending portion being connected and abutting part, and the outer diameter of the abutting part is more than the outer diameter of the extending portion, described
Extending portion is located in the handle and is connect with handle threads, and the end face that the abutting part is connect with extending portion is connected to the hand
On the end face of handle, the through-hole coordinated with the rotational segment is offered on the closure nut.
The advantages of below to preceding solution or principle illustrate：
Above-mentioned Bidirectional up-down fusion device, when rotating the screw rod, screw rod pulls the realizing middle limiting frame opposite shell forward
It is mobile, while realizing middle limiting frame is moved along, the first bolt is driven to be moved toward oblique direction relative to along the first skewed slot, drive the
Two bolts are moved relative to along the second skewed slot toward direction obliquely downward, since the upper elevator is connect with the first bolt, lower elevator and
Second bolt connects, and upper elevator is driven to be moved toward top while the first bolt is moved toward oblique upper, and the second bolt is toward tiltedly
Lower elevator is driven to be moved toward lower section while lower section is moved, the height of the fusion device, which has just risen, at this time comes；When reversed
When rotating the screw rod, screw rod pulls the realizing middle limiting frame opposite shell to move backward, and the first bolt is opposite along the first skewed slot
It is moved toward direction obliquely downward, the second bolt is moved relative to along the second skewed slot toward oblique direction, and elevator, lower elevator are mutual in drive
It is close.The fusion device height can reduce, and height is easy to adjust；And it is provided only with first in shell and realizing middle limiting and inserts
Pin and the second bolt, inner space is larger, and the space of bone grafting is big in operation, and bone grafting can be more, and healing success rate is higher；Simultaneously
Realizing middle limiting frame is slidably connected with shell, and the first bolt and the first skewed slot coordinate, and the second bolt and the second skewed slot coordinate, whole to tie
Structure is more firm, and when use is more stable.
The above-mentioned rotating mechanism for driving the Bidirectional up-down fusion device, sandwich are sleeved on folder support by bell-mouth structure of air
Support is clamped outside, rotating chuck towards folder support direction makes sandwich locking folder support, and gripping handle, rotation torsion bar end drives torsion bar rotation
Turn, to drive screw rod to rotate, the height of Bidirectional up-down fusion device is realized in the rise and fall of elevator and lower elevator in realization
Degree is adjusted, easy to operate, and in screw rod rotation process, realizing middle limiting is frameed shift dynamic, and enclosure location is constant, and operating process is steady.
Description of the drawings
Fig. 1 is the structural schematic diagram of Bidirectional up-down fusion device described in the embodiment of the present invention；
Fig. 2 is the vertical view of Bidirectional up-down fusion device described in the embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section of the A-A along Fig. 2；
Fig. 4 is the structural schematic diagram of realizing middle limiting frame described in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of shell described in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of screw rod described in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of rotating mechanism described in the embodiment of the present invention；
Fig. 8 is the diagrammatic cross-section of the B-B along Fig. 7；
Fig. 9 is the structural schematic diagram of torsion bar end described in the embodiment of the present invention；
Figure 10 is the structural schematic diagram of sandwich described in the embodiment of the present invention；
Figure 11 is the structural schematic diagram of handle described in the embodiment of the present invention.
Reference sign：
10, screw rod, 110, thread segment, 120, linkage section, 122, annular groove, 20, realizing middle limiting frame, 210, first tiltedly
Slot, the 220, second skewed slot, the 230, first limit hole, 30, shell, the 310, second limit hole, 320, U-shaped through-hole, 330, folder support,
40, upper elevator, 410, anti-slop serrations, 420, mounting hole, 50, lower elevator, 510, anti-slop serrations, the 60, first bolt, 70, second
Bolt, 80, spacer pin, 90, rotating mechanism, 910, torsion bar, 920, handle, 922, observation window, 930, torsion bar end, 932, cooperation
Section, 9322, groove, 934, limit section, 936, rotational segment, 938, twist section, 940, sandwich, 950, chuck, 960, pointer nut,
970, closure nut, 972, extending portion, 974, abutting part.
Specific implementation mode
As shown in Figures 1 to 3, a kind of Bidirectional up-down fusion device, including screw rod 10, realizing middle limiting frame 20, shell 30, upper lifting
Block 40 and lower elevator 50, the shell 30 are set in outside the realizing middle limiting frame 20, and realizing middle limiting frame 20 is slided with shell 30
Dynamic connection, one end of the screw rod 10 are connect across the shell 30 with the threaded one end of the realizing middle limiting frame 20, it is described on
The upper end pivot bush unit of elevator 40 and realizing middle limiting frame 20, the lower end movable sleeve of the lower elevator 50 and realizing middle limiting frame 20
It connects, offers the first skewed slot 210, the second skewed slot 220 on the two side of the realizing middle limiting frame 20, first skewed slot 210,
The inclined direction of second skewed slot 220 is on the contrary, the side wall of the upper elevator 40 is equipped with and is slidably matched with first skewed slot 210
The first bolt 60, the side wall of the lower elevator 50 is equipped with the second bolt 70 being slidably matched with second skewed slot 220.
When rotating the screw rod 10, screw rod 10 pulls 20 opposite shell 30 of the realizing middle limiting frame to be moved along, centre limit
While position frame 20 is moved along, the first bolt 60 is driven to be moved toward oblique direction relative to along the first skewed slot 210, drives second to insert
Pin 70 is moved relative to along the second skewed slot 220 toward direction obliquely downward, since the upper elevator 40 is connect with the first bolt 60, lower lifting
Block 50 is connect with the second bolt 70, and upper elevator 40 is driven to be moved toward top while the first bolt 60 is moved toward oblique upper, and
Lower elevator 50 is driven to be moved toward lower section while second bolt 70 is moved toward obliquely downward, the height of the fusion device has been just at this time
Come through rising；When reversely rotating the screw rod 10, screw rod 10 pulls 20 opposite shell 30 of the realizing middle limiting frame to move backward,
First bolt 60 is moved relative to along the first skewed slot 210 toward direction obliquely downward, the second bolt 70 it is opposite along the second skewed slot 220 toward oblique upper
To movement, elevator 40, lower elevator 50 are close to each other in drive.The fusion device height can reduce, and height is adjusted
It is convenient；And it is provided only with the first bolt 60 and the second bolt 70 in shell 30 and realizing middle limiting, inner space is larger, is planted in operation
The space of bone is big, and bone grafting can be more, and healing success rate is higher；Realizing middle limiting frame 20 is slidably connected with shell 30 simultaneously, and first
Bolt 60 and the first skewed slot 210 coordinate, and the second bolt 70 and the cooperation of the second skewed slot 220, overall structure is more firm, and when use is more flat
Surely.The upper surface face and/or lower end of the realizing middle limiting frame 20 are equipped with opening, as shown in figure 4, intermediate limit described in the present embodiment
The upper surface and lower face of position frame 20 are equipped with through-hole, and through-hole is also equipped on the side end face of realizing middle limiting frame 20, such energy
Bone grafting and interpyramidal pathway for fusion are further increased, improves fusion success rate, and the weight of threaded fusion cage can be mitigated.This
The state position when orientation such as upper and lower in embodiment are with respect to fusion device use and determine.
Described first there are two being opened up as shown in Fig. 1,3,4, on the two side of realizing middle limiting frame 20 described in the present embodiment
210, two second skewed slots 220 of skewed slot, height of first skewed slot, 210 and second skewed slot 220 along realizing middle limiting frame 20
Direction arranges up and down, two first skewed slots, 210, two second skewed slots 220 of the same side respectively along and the screw rod
The parallel direction arranged for interval of 10 extending directions, and first skewed slot 210, the second skewed slot 220 are square shoot, the present embodiment
Described in the first skewed slot 210, the second skewed slot 220 use rectangle skewed slot, first bolt 60, the second bolt 70 be square pin.
There are four first bolts 60, two second of the second skewed slot 220, two of the first skewed slot 210, four in total i.e. on realizing middle limiting frame 20
Bolt 70, two the first skewed slots 210 per side are located at the top of two the second skewed slots 220, the both ends of every first bolt 60
Be located in two opposite the first skewed slots 210 of two side, and the both ends of every first bolt 60 respectively with upper elevator 40
Two side be fixedly connected, the both ends of every second bolt 70 are located in two opposite the second skewed slots 220 of two side, and
The both ends of every second bolt 70 are fixedly connected with the two side of lower elevator 50 respectively, such two first bolts 60 while edge
Corresponding the first skewed slot 210 movement, drives the upper elevator 40 being attached thereto to rise or decline, two second bolts 70
It is moved simultaneously along the second corresponding skewed slot 220, drives the lower elevator 50 being attached thereto to decline or rise, movement is more flat
Surely, and first skewed slot 210, the second skewed slot 220 are square shoot, and first bolt 60, the second bolt 70 are square pin,
The first bolt 60, the rotation in the first skewed slot 210, the second skewed slot 220 of the second bolt 70 are avoided, the steady of its movement is further increased
It is qualitative.
As shown in Fig. 2,3,4,5, the Bidirectional up-down fusion device further includes spacer pin 80, and the realizing middle limiting frame 20 is separate
One end of the screw rod 10 is equipped with the first limit hole 230, and the shell 30 is equipped with corresponding with first limit hole 230 the
Two limit holes 310, the spacer pin 80 are set in first limit hole, 230 and second limit hole 310, make realizing middle limiting frame 20
It is slidably connected with shell 30.Bidirectional up-down fusion device described in the present embodiment passes through spacer pin 80 and first limit hole 230, the
Two limit holes 310 coordinate, and realize that realizing middle limiting frame 20 is slidably connected with shell 30, realizing middle limiting frame 20 is under the drive of screw rod 10
It when back-and-forth motion, is oriented to by the spacer pin 80, opposite shell 30 moves, and movement is more acurrate, smooth, and the screw rod
10 and the spacer pin 80 play the role of limiting the front and back rotation of shell 30 jointly, keep shell 30 to stablize.According to actual demand,
Being slidably connected for other modes can also be used with shell 30 in realizing middle limiting frame 20, is arranged such as on 20 outer wall of realizing middle limiting frame and slides
Slot, is arranged sliding rail in 30 corresponding position of shell, and sliding is realized by sliding slot and sliding rail cooperation.As shown in figure 5, being opened on the shell
Equipped with multiple through-holes, bone grafting and interpyramidal pathway for fusion can not only be increased, improve fusion success rate, and centrum can be mitigated and melted
The weight of clutch.
As shown in Fig. 3,6, the screw rod 10 includes the thread segment 110 being connected and linkage section 120, the linkage section 120
It is equipped with the annular groove 122 around its axial line, the thread segment 110 and the realizing middle limiting close to the rod segment of thread segment 110
Frame 20 is threadedly coupled, and the linkage section 120 is rotatably assorted by the annular groove 122 and the shell 30 and is limited in institute
It states on shell 30, the rod segment that the linkage section 120 stretches out the shell 30 is in non-cylindrical.The thread segment 110 stretches into centre
It is threadedly coupled with it in limitting casing 20, the linkage section 120 stretches out the shell 30 and is limited in by annular groove 122 outer
On shell 30, the non-cylindrical rod segment of linkage section 120 is rotated by tool, thread segment 110 is driven to rotate, screw rod 10 is limited
On shell 30, opposite shell 30 will not be moved forward and backward for position, and the realizing middle limiting frame 20 being threadedly coupled with screw rod 10 is with respect to screw rod 10
It is moved forward and backward.Shell 30 described in the present embodiment offers the U-shaped through-hole 320 with opening on the end face of screw rod 10, this
Embodiment split shed is matched towards lower elevator, the U-shaped through-hole 320 with the annular groove 122.The linkage section 120 is logical
It crosses U-shaped through-hole 320 and stretches out the shell 30, and shell 30 is nested with the annular groove 122 of linkage section 120 by U-shaped through-hole 320
Cooperation prevents screw rod 10 from the back-and-forth motion of opposite shell 30 but the energy rotation of opposite shell 30.The shell 30 is close to screw rod 10
It is in horn-like folder support 330 that one end lateral surface, which is equipped with, and shell 30 is clamped convenient for driving instrument, to rotate the screw rod 10,
30 position of shell is set to remain unchanged.
As shown in Figure 1, 2, 3, the upper surface of the upper elevator 40 is equipped with the lower end of anti-slop serrations 410, lower elevator 50
Face is equipped with anti-slop serrations 510, and mounting hole 420 is offered on upper elevator 40, and lower elevator 50 is equipped with mounting hole (in figure not
Show), the mounting hole is connected to the realizing middle limiting frame 20, is formed bone grafting and is merged channel, is conveniently put into bone-grafting material, bone grafting
Space it is big.
As illustrated in figures 7-11, a kind of rotating mechanism 90 for driving the Bidirectional up-down fusion device, including torsion bar 910,
Handle 920, torsion bar end 930, sandwich 940 and chuck 950, one end of the torsion bar end 930 stretch into the handle 920 and
Energy opposite handle 920 rotates, and one end of the torsion bar 910 is stretched into the handle 920 to be connect with the torsion bar end 930, institute
The other end for stating torsion bar 910 is connect with the screw rod 10, and the sandwich 940 is set in outside torsion bar 910, and one end of sandwich 940
It is connect with handle 920, the other end of sandwich 940 is in be arranged with the 330 matched bell-mouth structure of air of folder support, the chuck 950
It is threadedly coupled outside sandwich 940 and with sandwich 940, the chuck 950 makes the locking folder support 330 of sandwich 940 towards the folder rotation of support 330.
The one end of torsion bar 910 far from torsion bar end 930 described in the present embodiment is equipped with and 10 linkage section of the screw rod, 120 non-cylindrical bar
Section matching slot, the linkage section 120 are inserted into the slot, since linkage section 120 is non-cylindrical, so screw rod 10 and torsion
Bar 910 opposite will not rotate, the 120 rod segment section of linkage section of non-cylindrical can be rectangular, oval, kidney-shaped or its
His shape, sandwich 940 are sleeved on outside folder support 330 by bell-mouth structure of air and clamp support 330, rotate chuck 950 towards 330 direction of support is pressed from both sides
Make the locking folder support 330 of sandwich 940, gripping handle 920, rotation torsion bar end 930 drives torsion bar 910 to rotate, to drive screw rod
10 rotate, and the rise and fall of elevator 40 and lower elevator 50, easy to operate in realization, intermediate in 10 rotation process of screw rod
Limitting casing 20 moves, and 30 position of shell is constant.
As shown in Fig. 7,8,11, the rotating mechanism 90 further includes pointer nut 960, and the setting of pointer nut 960 exists
In handle 920, and pointer nut 960 is threadedly coupled with the torsion bar end 930, is offered on the handle 920 and pointer spiral shell
The corresponding observation window 922 of female 960 stroke ranges, and be equipped with 922 corresponding position of observation window for showing upper lifting on handle 920
The scale of 50 adjustable height of block 40 and lower elevator.930 outer surface of torsion bar end is equipped with matched with 960 internal thread of pointer nut
External screw thread, 920 position of opposite handle is constant in 930 rotary course of torsion bar end, and pointer nut 960 is with torsion bar end 930
Rotation is moved along torsion bar end 930 in handle 920, and pointer spiral shell can be clearly observed by the observation window 922 on handle 920
The position of 960 movement of mother is known clearly double to the scale of 50 adjustable height of the corresponding upper elevator 40 and lower elevator of display
To the specific height of lifting fusion device lifting.Pointer nut described in the present embodiment is square nut, is equipped with and institute in the handle 920
The matched rectangular cavity of square nut is stated, pointer nut is limited in rectangular cavity, is not rotated with the rotation of torsion bar end 930,
According to actual demand, pointer nut 960 can also be triangle or other shapes, is equipped in corresponding handle 920 matching
Triangular chamber etc..
As shown in Fig. 7,8,9, the rotating mechanism 90 further includes closure nut 970, and the torsion bar end 930 includes successively
The cooperation section 932 of connection limits section 934, rotational segment 936 and twist section 938, and the cooperation section 932 is equipped with and the pointer
The external screw thread that nut 960 coordinates, and dug and the torsion bar 910 on the end face of the cooperation section 932 far from limit section 934
The groove 9322 matched, the outer diameter of the limit section 934 are more than the outer diameter of the cooperation section 932, rotational segment 936 and twist section 938,
The closure nut 970 is set in outside the rotational segment 936 and the end face of closure nut 970 is connected to the limit section 934
One end, closure nut 970 are detachably connected with the handle 920.When assembly, first by the cooperation section 932 of torsion bar end 930 and limit
Position section 934 is packed into handle 920, then passes through closure nut 970, closure nut 970 to be moved to rotational segment 936 twist section 938
And the end face of limit section 934 is resisted, the rotation of closure nut 970 is threadedly coupled with handle 920, to reverse end limit in hand
On handle 920, torsion end is avoided to skid off.One end that torsion bar 910 is connect with cooperation section 932 is nested with the groove 9322,
Torsion bar 910 does not relatively rotate with torsion bar end 930, and the end section that the torsion bar 910 is connect with cooperation section 932 can be in waist
Shape, the groove 9322 are also in kidney-shaped, can also be rectangular or other shapes.The section of twist section 938 is hexagonal, is convenient for
Spanner is clamped twist section 938 and is rotated, and according to actual demand, the section of twist section 938 can also be other shapes, such as kidney-shaped
Or it is rectangular etc..
As shown in figure 8, the closure nut 970 includes the extending portion 972 being connected and abutting part 974, the abutting part
974 outer diameter is more than the outer diameter of the extending portion 972, the extending portion 972 be located in the handle 920 and with 920 spiral shell of handle
Line connects, and the end face that the abutting part 974 is connect with extending portion 972 is connected on the end face of the handle 920, the end socket spiral shell
The through-hole coordinated with the rotational segment 936 is offered on mother 970.The closure nut 970 can opposite torsion bar by the through-hole
End 930 rotates, and 972 outer surface of extending portion is equipped with to be located at the matched external screw thread of 920 internal thread of handle, the abutting part 974
Outside handle 920, it is easily installed and dismantles.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of Bidirectional up-down fusion device, which is characterized in that including screw rod, realizing middle limiting frame, shell, upper elevator and lower lifting
Block, the shell is set in the realizing middle limiting outer frame, and realizing middle limiting frame is slidably connected with shell, and one end of the screw rod is worn
It crosses the shell to connect with the threaded one end of the realizing middle limiting frame, and screw rod is limited on the shell, opposite shell is not front and back
Mobile, the lower end of the upper end pivot bush unit of the upper elevator and realizing middle limiting frame, the lower elevator and realizing middle limiting frame is lived
It is dynamic to be socketed, the first skewed slot, the second skewed slot are offered on the two side of the realizing middle limiting frame, first skewed slot, second are tiltedly
The inclined direction of slot is on the contrary, the side wall of the upper elevator is equipped with the first bolt being slidably matched with first skewed slot, institute
The side wall for stating lower elevator is equipped with the second bolt being slidably matched with second skewed slot.
2. Bidirectional up-down fusion device as described in claim 1, which is characterized in that opened on the two side of the realizing middle limiting frame
If there are two first skewed slot, two second skewed slots, first skewed slot and the second skewed slot along realizing middle limiting frame height
It spends direction to arrange up and down, two first skewed slots, two second skewed slots of the same side extend along with the screw rod respectively
The parallel direction arranged for interval in direction, and first skewed slot, the second skewed slot are square shoot, first bolt, second insert
Pin is square pin.
3. Bidirectional up-down fusion device as claimed in claim 2, which is characterized in that it further includes spacer pin, the realizing middle limiting
The one end of frame far from the screw rod is equipped with the first limit hole, and the shell is equipped with corresponding with first limit hole second and limits
Position hole, the spacer pin are set in first limit hole and the second limit hole, and realizing middle limiting frame is made to be slidably connected with shell.
4. Bidirectional up-down fusion device as described in claim 1, which is characterized in that the screw rod include the thread segment being connected and
Linkage section, the linkage section close to thread segment rod segment be equipped with around its axial line annular groove, the thread segment with it is described
Realizing middle limiting frame is threadedly coupled, and the linkage section is rotatably assorted by the annular groove and the shell and is limited in described
On shell, the rod segment that the linkage section stretches out the shell is in non-cylindrical, and the shell opens up on the end face of screw rod
There are the U-shaped through-hole with opening, the U-shaped through-hole to be matched with the annular groove.
5. Bidirectional up-down fusion device as described in claim 1, which is characterized in that the upper surface of the upper elevator, lower lifting
It is equipped with anti-slop serrations on the lower face of block, and offers mounting hole, the mounting hole and institute on upper elevator and lower elevator
State the connection of realizing middle limiting frame.
6. Bidirectional up-down fusion device as described in any one in claim 1-5, which is characterized in that the shell close to screw rod one
It is in horn-like folder support to hold lateral surface to be equipped with.
7. a kind of rotating mechanism for driving Bidirectional up-down fusion device as claimed in claim 6, which is characterized in that the rotation
Rotation mechanism includes torsion bar, handle, torsion bar end, sandwich and chuck, and one end of the torsion bar end is stretched into the handle and energy
Opposite handle rotates, and one end of the torsion bar is stretched into the handle to be connect with the torsion bar end, the other end of the torsion bar
For being connect with the screw rod, the sandwich is set in outside torsion bar, and one end of sandwich is connect with handle, and the other end of sandwich is in
Matched bell-mouth structure of air is held in the palm with the folder, and it is outer and be threadedly coupled with sandwich that the chuck is set in sandwich, and the chuck is towards folder
Support rotation makes sandwich locking folder support.
8. rotating mechanism as claimed in claim 7, which is characterized in that the rotating mechanism further includes pointer nut, the finger
Needle nut is arranged in handle, and pointer nut is connect with the torsion bar ends screw, is offered on the handle and pointer spiral shell
Female corresponding observation window of stroke range, and be equipped with observation window corresponding position for showing upper elevator and lower elevator on handle
The scale of adjustable height.
9. rotating mechanism as claimed in claim 8, which is characterized in that the rotating mechanism further includes closure nut, the torsion
Rod end head includes that sequentially connected cooperation section, limit section, rotational segment and twist section, the cooperation section are equipped with and the pointer spiral shell
Mother cooperation external screw thread, and it is described cooperation section far from limit section end face on dug with the matched groove of the torsion bar, it is described
The outer diameter of cooperation section, rotational segment and twist section is respectively less than the outer diameter of the limit section, and the closure nut is set in the rotation
Outside section and the end face of closure nut is connected to described limit section one end, and closure nut is detachably connected with the handle.
10. rotating mechanism as claimed in claim 9, which is characterized in that the pointer nut is square nut, in the handle
Equipped with the matched rectangular cavity of the square nut, the closure nut includes the extending portion being connected and abutting part, described to support
The outer diameter of socket part is more than the outer diameter of the extending portion, and the extending portion is located in the handle and is connect with handle threads, described
The end face that abutting part is connect with extending portion is connected on the end face of the handle, is offered on the closure nut and the rotation
The through-hole of Duan Peihe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610794830.5A CN106308984B (en) | 2016-08-31 | 2016-08-31 | Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device |
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| CN201610794830.5A CN106308984B (en) | 2016-08-31 | 2016-08-31 | Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device |
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| CN106726020B (en) * | 2017-02-14 | 2018-09-07 | 广州爱锘德医疗器械有限公司 | Lift Invasive lumbar fusion device |
| CN107157629A (en) * | 2017-06-15 | 2017-09-15 | 北京安德思考普商贸有限公司 | New vertebrae mixer |
| CN107358938A (en) * | 2017-08-14 | 2017-11-17 | 绍兴市上虞东虞塑料电器有限公司 | A kind of adjustable capo tasto |
| CN109481099A (en) * | 2017-09-13 | 2019-03-19 | 医景通(北京)科技发展有限公司 | A kind of fusion device |
| CN108053546B (en) * | 2017-12-11 | 2023-10-24 | 浙江维融电子科技股份有限公司 | Currency count and examine machine with incomplete coin recognition function |
| CN108498210A (en) * | 2018-03-28 | 2018-09-07 | 上海锐植医疗器械有限公司 | A kind of adjustable fusion device of height |
| CN112137774B (en) * | 2020-09-01 | 2021-12-31 | 珠海维尔康生物科技有限公司 | Intervertebral fusion device capable of achieving high matching of pressurized bone grafting and intervertebral space |
| CN114145791B (en) * | 2021-12-01 | 2023-07-07 | 上海三友医疗器械股份有限公司 | Distracting system for an intraspinal bone scaffolding assembly |
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| CN205107983U (en) * | 2015-10-23 | 2016-03-30 | 上海锐植医疗器械有限公司 | Height -adjustable's interbody fusion cage |
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| CN105726171A (en) * | 2016-04-05 | 2016-07-06 | 广州爱锘德医疗器械有限公司 | Adjustable fusion cage device |
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| US8133232B2 (en) * | 2007-07-17 | 2012-03-13 | Expanding Orthopedics Inc. | Expandable bone device |
| US9114026B1 (en) * | 2014-03-06 | 2015-08-25 | Spine Wave, Inc. | Inserter for an expandable spinal interbody fusion device |
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| CN205107983U (en) * | 2015-10-23 | 2016-03-30 | 上海锐植医疗器械有限公司 | Height -adjustable's interbody fusion cage |
| CN105662662A (en) * | 2016-04-05 | 2016-06-15 | 广州爱锘德医疗器械有限公司 | Fusion cage lifting driving mechanism |
| CN105726171A (en) * | 2016-04-05 | 2016-07-06 | 广州爱锘德医疗器械有限公司 | Adjustable fusion cage device |
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