CN101569552A - Supporting device of percutaneous expanding crest - Google Patents
Supporting device of percutaneous expanding crest Download PDFInfo
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- CN101569552A CN101569552A CNA2008100887058A CN200810088705A CN101569552A CN 101569552 A CN101569552 A CN 101569552A CN A2008100887058 A CNA2008100887058 A CN A2008100887058A CN 200810088705 A CN200810088705 A CN 200810088705A CN 101569552 A CN101569552 A CN 101569552A
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Abstract
The invention discloses a supporting device of a percutaneous expanding crest, comprising a supporting piece provided with a via hole, an expansion piece and a back blocking piece, wherein the expansion piece comprises a shaft and a first end of the shaft to be pivoted to one or a plurality of vanes, and the back blocking piece is matched with a second end of the shaft of the expansion piece. The shaft of the expansion piece is sleeved in the via hole of the supporting piece in a penetrating way, the second end of the shaft of the expansion piece is provided with a long slide hole in an axial direction, and is pivoted to one or a plurality of vanes in a sliding way through the long slide hole. The supporting piece can be movably contacted with the vanes which are pivoted to the both ends of the expansion piece to form a tip type ellipse, the expansion piece and the supporting piece forming form the tip type ellipse are inserted into a vertebrae spinous process interval position together, and the vanes at the both ends strentch by being pushed or pushing against a pivot to be respectively arranged at both sides of the vertebrae spinous process interval position in a locking way. The device can lower the infection risk, can efficiently form support to vertebrae, can stabilize a vertebrae neural foramen space after an operation, and has the advantages of simpleness and efficiency as a device for treating pains caused by compressing vertebrae nerves.
Description
Technical field
The present invention relates to a kind of supporting device of percutaneous expanding crest, particularly relate to a kind of can percutaneous puncture Wicresoft mode be implanted to a ridge prominent between the position, support member with device supports vertebra about this, then adopts the stressed supporting device of percutaneous expanding crest that launches the engaging mode that leans of a plurality of fins at two ends.
Background technology
Traditional vertebral disease operation, when being urged to spinal nerve generation pain perception as happening part, the mode of treatment mainly contains following several, and a kind of is to adopt " pedicle nail " mode of implantation, should save between vertebrae and draw back, and enlarge and discharge space, hard pressed neural place; Another kind of mode is the intervertebral disc that removes between two vertebral segments, is encased inside one synthetical " artificial intervertebral disk " again, to recover intervertebral position and neuropore space; Another mode is between the spinous process of the vertebrae at vertebra rear, cut off supraspinal ligament, implant " Co-Flex " opening device for vertebrae thorn of a U type, the feasible neuropore space enlargement that this two vertebral segments is encircled, thereby the spinal nerve that produces pain perception that will suffer oppression discharges, to eliminate patient's pain.
Along with the continuous development of medical skill and the continuous enhancing of health of people consciousness, treatment to spondylopathy has also brought higher requirement, emphasize that now operation is wanted simply, face and hemorrhage is operated in minimizing, or reduce infected probability, success is effective again, and adopts above-mentioned several modes to treat the hard pressed pain of spinal nerve, does not have in vertebral segments under the prerequisite of other significant problem, as if be not inconsistent with the ratio of dealing with problems, increased the risk when operating on operation virtually.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of supporting device of percutaneous expanding crest is provided, can reduce infection risk, can form vertebra effectively and support, but and space, postoperative stability ridge nervi vertebralis hole, device as the hard pressed pain of treatment spinal nerve has simple and easy, effective characteristics.
The technical solution adopted for the present invention to solve the technical problems is: a kind of supporting device of percutaneous expanding crest comprises:
One support member is provided with a through hole;
One launches part, comprises one, is articulated with one or more fin at this first end, is provided with a long slide opening vertically and by one or more fin of long slide opening slide hinge at this second end, spool being set in the through hole of described support member of this expansions part; And
One backup member, be engaged in described expansion part the axle second end;
This support member makes contact to a pointed class ellipse with the fin that described expansion part two ends are articulated movably, and the expansion part and the support member that form sharp structure together penetrate position between a spinal crest of Rauber, described support member support put described ridge prominent up and down between the vertebra; The described fin that is articulated in first end of described axle pivoted by pushing of described support member to open and be placed in described ridge prominent between a side of position; Described backup member is inserted in described axle along second end of described axle, and the described fin that is articulated in the described long slide opening is slided by pushing along this long slide opening of described backup member, and is subjected to leaning of support member and opens the opposite side of position between described ridge is prominent.
A kind of supporting device of percutaneous expanding crest of the present invention wherein, described support member all is made as the oblique angle with two contact jaws described fin, and the fin of pivot contacts with the oblique angle, two ends of described support member and forms pointed class ellipse.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, first end of the axle of described expansion part is provided with one and is used to stop that the undue backstop that pivots of described fin is prominent, and this backstop is prominent to be made described fin pushed when pivoting by described support member to stop at and this position at angle; The fin that second end articulated of the axle of described expansion part be subjected to described support member and leaning of backup member and with this pivot at angle.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, described support member is a cylinder, and the circumferential surface that is parallel to its through hole of this cylinder is arranged with being aligned axle shape, and the vertebra up and down between described ridge is prominent can fall to placing the recess of described bobbin.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, described support member is a cylinder, and the circumferential surface that is parallel to its through hole of this cylinder is set as a plurality of indentations or sawtooth, and the vertebra up and down between described ridge is prominent can be placed in described indentation or sawtooth place.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, first end of the axle of described expansion part and/or second end are for to articulate described fin by bolt.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, described backup member is a packing ring, establishes a through hole in the backup member, backup member penetrates the axle of described expansion part by through hole second end and engage with the axle that launches part fixes.
The present invention solves another technical scheme that its technical problem adopts: a kind of supporting device of percutaneous expanding crest comprises:
One support member is provided with a through hole;
One launches part, and first end that comprises one and this axle is articulated with one or more fin, spool being set in the through hole of described support member of this expansion part; And
One backup member, be engaged in described expansion part the axle second end;
It is one pointed that the fin that this support member is articulated with described expansion part movably makes contact to, the expansion part and the support member that form sharp structure together penetrate position between a spinal crest of Rauber, the support of described support member put described ridge prominent up and down between the vertebra, second end of the axle of described expansion part is provided with one or two section unidirectional connecting hole, on backup member, then convex with an elasticity snib that can match, on backup member, also be articulated with one or more fin with described unidirectional connecting hole;
The elasticity snib of backup member inserts in the unidirectional connecting hole of the axle that launches part and matches with first section of this connecting hole, the described fin that is articulated in first end of the axle that launches part pivoted by pushing of described support member to open and be placed in described ridge prominent between a side of position; The elasticity snib of described backup member continues to advance and matches with second section of this connecting hole, the described fin that is articulated in backup member pivoted by leaning of described support member to open and be placed in described ridge prominent between the opposite side of position.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, first end of the axle of described expansion part is provided with one and is used to stop that the undue backstop that pivots of the fin that articulated is prominent, and this backstop is prominent to be made described fin pushed when pivoting by described support member to stop at and this position at angle.
A kind of supporting device of percutaneous expanding crest of the present invention, wherein, also be provided with one on the described backup member and be used to stop that the undue backstop that pivots of the fin that articulated is prominent, this backstop is prominent makes described fin be subjected to described support member and backstop prominent leaning to pivot stop at and this position at angle.
The invention has the beneficial effects as follows, owing to adopted a support member, one launches part, one backup member is used as supporting device of percutaneous expanding crest, and support member has a through hole, launch part and comprise one, first end at this is articulated with one or more fin, second end at this is provided with a long slide opening vertically and passes through one or more fin of long slide opening slide hinge, the axle of this expansion part is set in the through hole of described support member, backup member then is engaged in second end of the axle of described expansion part, this support member makes contact to a pointed class ellipse with the fin that described expansion part two ends are articulated movably, the expansion part and the support member that form sharp structure together penetrate position between a spinal crest of Rauber, described support member support put described ridge prominent up and down between the vertebra; The described fin that is articulated in first end of described axle pivoted by pushing of described support member to open and be placed in described ridge prominent between a side of position; Described backup member is inserted in described axle along second end of described axle, and the described fin that is articulated in the described long slide opening is slided by pushing along this long slide opening of described backup member, and is subjected to leaning of support member and opens the opposite side of position between described ridge is prominent.The bracing or strutting arrangement of this structure can reduce infection risk, can form vertebra effectively to support, but and space, postoperative stability ridge nervi vertebralis hole, the device as the hard pressed pain of treatment spinal nerve has simple and easy, effective characteristics.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of supporting device of percutaneous expanding crest of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION sketch map of a kind of preferred embodiment of supporting device of percutaneous expanding crest of the present invention;
Fig. 2 is the combination and the unfolded structural representation of the preferred embodiment of supporting device of percutaneous expanding crest of the present invention;
Fig. 3 is the sketch map that the support member of supporting device of percutaneous expanding crest of the present invention is engaged in the preferred embodiment between spinal crest of Rauber;
Fig. 4 is the different combinations of backup member of supporting device of percutaneous expanding crest of the present invention and the sketch map of the preferred embodiment that fin articulates;
Fig. 5 is the sketch map that supporting device of percutaneous expanding crest of the present invention is implanted to position between a spinal crest of Rauber and launches the preferred embodiment of engaging;
Fig. 6 is the sketch map of the another kind of preferred embodiment (selecting the spiral shell axle for use) of supporting device of percutaneous expanding crest of the present invention;
Fig. 7 is the sketch map of the another kind of preferred embodiment (selecting the unidirectional axis that advances for use) of supporting device of percutaneous expanding crest of the present invention;
Fig. 8 is the sketch map of another preferred embodiment of supporting device of percutaneous expanding crest of the present invention;
Fig. 9 is the sketch map of another preferred embodiment of supporting device of percutaneous expanding crest of the present invention.
Among the figure, 10 supporting device of percutaneous expanding crest; 20 support members; 21 through holes; 22 oblique angles; 23 spool-like; 24 indentations or sawtooth; 30 launch part; 31; 311 first end; 312 articulated sections; 313 second end; 314 screw threads; 315 backstops are prominent; 316 retaining oblique angles; 317 hole clippings; 318 bolts; 32 fins; 40 backup member; 41 through holes; 42 tapped through holes; 43 nuts; 44 elasticity snibs; 45 articulated sections; 46 articulated sections; 50 vertebra neural spine; 60 supporting device of percutaneous expanding crest; 70 support members; 71 support chips; 72 support chips; 73 through holes; 74 ring set crank push rods; 741 ring sets; 742 crank push rods; 743 crank push rods; 80 launch part; 81 spiral shell axles; First end of 811 spiral shell axles; Second end of 812 spiral shell axles; The 82 unidirectional axis that advance; 821 retaining projectioies; 83 fins; Block piece after 90s; 101 supporting device of percutaneous expanding crest; 110 support members; 111 through holes; 120 launch part; 121; 122 first end; 123 fins; 124 second end; 125 long slide openings; 126 backstops are prominent; 130 washer type backup member; 131 through holes; 102 supporting device of percutaneous expanding crest; 150 support members; 151 through holes; 160 launch part; 161; 162 first end; 163 fins; 164 second end; 165 two sections unidirectional connecting holes; 166 first sections; 167 second sections; 170 backup member; 171 elasticity snibs; 172 fins.
The specific embodiment
Fig. 1 is the STRUCTURE DECOMPOSITION sketch map of a kind of preferred embodiment of supporting device of percutaneous expanding crest of the present invention.
Among Fig. 1, a kind of supporting device of percutaneous expanding crest 10 of the present invention comprises that a support member 20, launches a part 30 and a backup member 40.
This support member 20 is a round cylinder, and along laterally being provided with a through hole 21, an end of support member 20 is made as oblique angle 22, and this oblique angle 22 is an annular setting.
This backup member 40 is a collar plate shape body, or can be approximate disk bodies such as a long strip type, ellipse, and backup member 40 is along laterally being provided with a through hole 41, and backup member 40 can be incorporated on second end 313 of axle 31 of described expansion part 30.
Fig. 2 is the combination and the unfolded structural representation of the preferred embodiment of supporting device of percutaneous expanding crest of the present invention.
Among Fig. 2, this has the support member 20 of cylindrical shape and the contact jaw of described fin 32 is set as oblique angle 22, and oblique angle 22 is an annular setting, just make fin 32 to shrink the inclination mode with almost fan, behind pivot, contact with oblique angle 22 ends of described support member 20 in movable mode with oblique angle, and the whole pointed shape (shown in Fig. 2 a) that forms.
Certainly, also can adopt the mode that increases by an auxiliary fixing assembly to realize combining of backup member 40 and expansion part 30, shown in Fig. 2 b, be further to comprise a nut 43,40 of this backup member are to wear in the axle 31 of this expansion part 30 with this through hole 41,43 on described nut is screwed together on the screw thread 314 of axle 31 second end 313 of this expansion part 30, makes backup member 40 be fixed in 31 second end 313 of this expansions part 30 by nut 43.
Shown in Fig. 2 b, on the axle 31 of this expansion part 30 and the pivot end 311 of described fin 32, further be provided with a backstop prominent 315, utilize this backstop prominent 315, make fin 32 be subjected to support member 20 and during fan-shaped pivot to being inserted in that direction of advance is pushed, can be blocked and stop at and this 31 position that has angle, its best angle angle then is for approaching the right angles of 90 degree.
In above-mentioned basic embodiment, support member 20 is a round cylinder, the one end has oblique angle 22, oblique angle 22 is an annular setting, Fig. 3 has then provided its further preferred embodiment, Fig. 3 is engaged in the sketch map of the preferred embodiment between spinal crest of Rauber for the support member of supporting device of percutaneous expanding crest of the present invention, in Fig. 3, a kind of structure is the circumferential surface that is parallel to its through hole 21 of this cylinder to be arranged with being aligned axle shape 23, and described ridge prominent between on neural spine 50 down, then can when implanting, this support member 20 fall to placing the place that is arranged with of this spool-like cylinder 23 automatically.
Another kind of structure is the circumferential surface that is parallel to its through hole 21 of this cylinder to be set as a plurality of indentations or sawtooth 24, or cross pattern, or other can increase the lines of friction, and can be arranged with or not be arranged with into spool-like.Neural spine up and down 50 between then described ridge is prominent can be placed in the indentation place 24 of described support member cylinder.
On the fixed form of axle 31 that launches part 30 and backup member 40, other numerous embodiments can also be arranged.
Such as, a kind of preferred implementation is shown in Fig. 4 a, Fig. 4 b, on axle 31 second end 313 of this expansion part 30, be provided with one or more retaining oblique angle 316, corresponding then being provided with on backup member 40 can through hole 41 with matching, the through hole 41 of backup member 40 can directly penetrate in second end 313 of the axle 31 that launches part 30, by to former penetrate direction of advance and continue to push after, be fastened on the described retaining oblique angle 316, backup member 40 is fixed on launch second end 313 of the axle 31 of part 30.
For another example, another kind of preferred implementation is shown in Fig. 4 c, in this structure, backup member 40 changes to be made as and is convexly equipped with an elasticity snib 44 forward, then be concaved with a hole clipping 317 in second end 313 of the axle 31 of expansion part 30, backup member 40 is fixed at second end 313 of the axle 31 that launches part 30 backup member 40 by elasticity snib 44 is inserted in the hole clipping 317 of the axle 31 that launches part 30.
Shown in Fig. 4 d, be provided with articulated section 45,46 at the upper/lower terminal of backup member 40, by pin-jointed structure, it is folding to make that articulated section 45,46 can pivot earlier, shortening the length of backup member 40, and after setting up, is launched into former preseting length again.
Also multiple mode can be arranged for first end 311 of the axle 31 that launches part 30 and the pivot joint mode of fin 32, a kind of preferred implementation is shown in Fig. 4 e, be first end 311 at the axle 31 that launches part 30, with the articulated section 312 of fin 32, adopt the mode that a bolt 318 screws togather of inserting, articulate fin 32, the central bearing that articulates as fin 32, so as must the time, bolt 318 unclamped withdraws from, fin 32 can be unloaded, thereby support member 20 is withdrawed from from the axle 31 that launches part 30.
The sketch map that Fig. 5 is implanted to position between a spinal crest of Rauber and launches the preferred embodiment of engaging for supporting device of percutaneous expanding crest of the present invention.
Fig. 5 has showed the variation sketch map of supporting device of percutaneous expanding crest 10 in spinous process 50 front and back that penetrate the vertebra vertebra respectively, before penetrating, the fin 32 of supporting device of percutaneous expanding crest 10 is the pivot contraction state, form pointed shape, expansion part 30 and support member 20 with pointed shape can penetrate 50 positions of spinous process of a vertebra vertebra.
When penetrating, 20 of support members can back down be supported in ridge prominent between 50, the vertebra position struts up and down.
Then, the axle 31 of this expansion part 30 is retreated to former implantation direction, support member 20 then is maintained at former Support Position and (retreats with respect to the axle 31 that launches part 30, this support member 20 is to form similar forward motion), then fin 32 will be because of being subjected to stopping, pushing of this support member 20, and form the action of fan-shaped pivot, and be fastened on a side (left side among the figure) of prominent 50 positions of this ridge.
Last then be with this backup member 40 combine with this expansion part 30 be fixed in this ridge prominent between the opposite side (right side among the figure) of 50 positions, implant processes such as support clamping closes thereby finish this supporting device of percutaneous expanding crest 10.
Fig. 6 is the sketch map of the another kind of preferred embodiment (selecting the spiral shell axle for use) of supporting device of percutaneous expanding crest 60 of the present invention.
Among Fig. 6, support member 70 includes a plurality of upper support sheets 71, lower support sheet 72, support chip 71,72 can be in twos up and down relatively in conjunction with and surround the shape that central authorities have a through hole 73; Launch part 80 and comprise a spiral shell axle 81 and rotate banded first end 811 with the spiral shell axle, first end 811 is articulated with one or more fin 83, and the spiral shell axle 81 of this expansion part is set in the through hole 73 of described support member 70; Backup member 90 is second ends 812 that are engaged in the spiral shell axle 81 of described expansion part.
This support member 70 pivots with the fin 83 of this expansion part 80 equally movably and makes contact to one pointedly, and the expansion part 80 and the support member 70 that form sharp structure can together penetrate position between a spinal crest of Rauber (with reference to shown in Figure 5).
And further has a ring set crank push rod 74 in this support member 70, this ring set crank push rod 74 can be with upper support sheet 71,72 movable bindings of lower support sheet, this ring set crank push rod 74 is sheathed on this spiral shell axle 81 by its ring set 741, one end and the ring set 741 of the last crank push rod 742 of ring set crank push rod 74 are articulated, the other end of last crank push rod 742 and upper support sheet 71 are articulated, one end and the ring set 741 of the lower crank push rod 743 of ring set crank push rod 74 are articulated, and the other end of lower crank push rod 743 and lower support sheet 72 are articulated.
Because launching the spiral shell axle 81 of part 80 is rotatable binding with first end 811, therefore when 81 rotations of spiral shell axle, ring set 741 stressed moving forward (so the time this support member 70 peak at for card in the spinous process of spine one on the other and maintain static, therefore this ring set 741 is a forward motion relatively, with reference to figure 5), 742,743 of crank push rods push away up and down make upper support sheet 71, lower support sheet 72 separated from each other away from, just spine can be pushed open up and down away from, neural root hole between the expansion spine relieves the urgent pressure of root compression.
Then, fin 83 is subjected to the pivot of pushing of support member 70 again, will open and be sticked in this ridge prominent between a side of position, 90 of backup member with launch part 80 combine be fixed in this ridge dash forward between the opposite side of position.
Fig. 7 is the sketch map of the another kind of preferred embodiment (selecting the unidirectional axis that advances for use) of supporting device of percutaneous expanding crest of the present invention.
Among Fig. 7, launching part 80 is not to adopt the spiral shell axle, but adopt the unidirectional axis 82 that advances, the unidirectional axis 82 that advances is provided with at least two retaining projectioies 821, a retaining projection 821 is used for matching with ring set 741, another retaining projection 821 matches with backup member 90, this ring set crank push rod 74 is sheathed on this axle 82 by ring set 741, this ring set 741 is subjected to push forward mobile, by crank push rod 742,743 push away make upper support sheet 71, lower support sheet 72 separated from each other away from, thereby with upper and lower spine support separately, discharge nerve compression and urge power.
Fig. 8 is the sketch map of another preferred embodiment of supporting device of percutaneous expanding crest of the present invention.
Referring to shown in Figure 8, supporting device of percutaneous expanding crest 101 comprises that a support member 110, launches a part 120 and a washer type backup member 130.Support member 110 is along laterally being provided with a through hole 111; Launch part 120 and comprise one 121, first end 122 at this is articulated with one or more fin 123, second end 124 at this is provided with a long slide opening 125 vertically and passes through one or more fin 123 of long slide opening 125 slide hinges, and the axle 121 of this expansion part 120 is set in the through hole 111 of described support member; Be provided with a through hole 131 in the washer type backup member 130, backup member 130 penetrates the axle of described expansion part by through hole 131 second end 124 and engage with the axle that launches part fixes.
This support member 110 makes contact to a pointed class ellipse (shown in Fig. 8 a) with described expansion part 120 2 ends 122,124 fins that articulated 123 movably, the expansion part 120 and the support member 110 that form sharp structure together penetrate position between a spinal crest of Rauber, described support member 110 supports put described ridge prominent up and down between the vertebra.
The described fin 123 that is articulated in first end 122 of described axle pivoted by pushing of described support member 110 to open and be placed in described ridge prominent between a side of position; Described backup member 130 is inserted in described axle 121 along second end 124 of described axle, be articulated in described fin 123 in the described long slide opening 125 and slided by pushing of described backup member 130, and be subjected to leaning of support member 110 and open the opposite side of position between described ridge is prominent along this long slide opening 125.
Fig. 9 is the sketch map of another preferred embodiment of supporting device of percutaneous expanding crest of the present invention.
Referring to shown in Figure 9, supporting device of percutaneous expanding crest 102 comprises that a support member 150, launches part 160, a backup member 170.Support member 150 is along laterally being provided with a through hole 151; Launch first end 162 that part 160 comprises one 161 and this axle and be articulated with one or more fin 163, spools 161 of this expansion part is set in the through hole 151 of described support member; Backup member 170 is engaged in second end 164 of the axle 161 of described expansion part.
It is one pointed that the fin 163 that this support member 150 is articulated with described expansion part 160 movably makes contact to, 160 of the expansion and the support member 150 that form sharp structure together penetrate position between a spinal crest of Rauber, 150 supports of described support member put described ridge prominent up and down between the vertebra, promptly support member 150 struts the prominent vertebra up and down of ridge.
The elasticity snib 171 of backup member inserts in the unidirectional connecting hole 165 of the axle that launches parts and matches with first section 166 of this connecting hole 165, the described fin 163 that is articulated in first end of the axle that launches part pivoted by pushing of described support member 150 to open and be placed in described ridge prominent between a side of position; The elasticity snib 171 of described backup member continues to advance and matches with second section 167 of this connecting hole, the described fin 172 that is articulated in backup member pivoted by leaning of described support member 150 to open and be placed in described ridge prominent between the opposite side of position.
On backup member 170, also be provided with one and be used to stop the fin 172 undue backstops that pivot prominent 173 that articulated, this backstop prominent 173 makes described fin 172 be subjected to described support member 150 and backstop prominent 173 to lean to pivot and stops at and this position at angle, and best angle angle then is for approaching the right angle of 90 degree.
The foregoing description only is used for further specifying a kind of supporting device of percutaneous expanding crest of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection domain of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. supporting device of percutaneous expanding crest comprises:
One support member is provided with a through hole;
One launches part, comprises one, is articulated with one or more fin at this first end, is provided with a long slide opening vertically and by one or more fin of long slide opening slide hinge at this second end, spool being set in the through hole of described support member of this expansions part; And
One backup member, be engaged in described expansion part the axle second end;
It is characterized in that: this support member makes contact to a pointed class ellipse with the fin that described expansion part two ends are articulated movably, the expansion part and the support member that form sharp structure together penetrate position between a spinal crest of Rauber, described support member support put described ridge prominent up and down between the vertebra; The described fin that is articulated in first end of described axle pivoted by pushing of described support member to open and be placed in described ridge prominent between a side of position; Described backup member is inserted in described axle along second end of described axle, and the described fin that is articulated in the described long slide opening is slided by pushing along this long slide opening of described backup member, and is subjected to leaning of support member and opens the opposite side of position between described ridge is prominent.
2. a kind of supporting device of percutaneous expanding crest according to claim 1 is characterized in that: described support member all be made as the oblique angle with two contact jaws described fin, the fin of pivot contacts with the oblique angle, two ends of described support member and forms pointed class ellipse.
3. a kind of supporting device of percutaneous expanding crest according to claim 1, it is characterized in that: first end of the axle of described expansion part is provided with one and is used to stop that the undue backstop that pivots of described fin is prominent, and this backstop is prominent to be made described fin pushed when pivoting by described support member to stop at and this position at angle; The fin that second end articulated of the axle of described expansion part be subjected to described support member and leaning of backup member and with this pivot at angle.
4. a kind of supporting device of percutaneous expanding crest according to claim 1, it is characterized in that: described support member is a cylinder, the circumferential surface that is parallel to its through hole of this cylinder is arranged with being aligned axle shape, and the vertebra up and down between described ridge is prominent can fall to placing the recess of described bobbin.
5. a kind of supporting device of percutaneous expanding crest according to claim 1, it is characterized in that: described support member is a cylinder, the circumferential surface that is parallel to its through hole of this cylinder is set as a plurality of indentations or sawtooth, and the vertebra up and down between described ridge is prominent can be placed in described indentation or sawtooth place.
6. a kind of supporting device of percutaneous expanding crest according to claim 1 is characterized in that: first end of the axle of described expansion part and/or second end are for to articulate described fin by bolt.
7. a kind of supporting device of percutaneous expanding crest according to claim 1, it is characterized in that: described backup member is a packing ring, establish a through hole in the backup member, backup member penetrates the axle of described expansion part by through hole second end and engage with the axle that launches part fixes.
8. supporting device of percutaneous expanding crest comprises:
One support member is provided with a through hole;
One launches part, and first end that comprises one and this axle is articulated with one or more fin, spool being set in the through hole of described support member of this expansion part; And
One backup member, be engaged in described expansion part the axle second end;
It is characterized in that: the fin that this support member is articulated with described expansion part movably makes contact to one pointed, the expansion part and the support member that form sharp structure together penetrate position between a spinal crest of Rauber, the support of described support member put described ridge prominent up and down between the vertebra, second end of the axle of described expansion part is provided with one or two section unidirectional connecting hole, on backup member, then convex with an elasticity snib that can match, on backup member, also be articulated with one or more fin with described unidirectional connecting hole;
The elasticity snib of backup member inserts in the unidirectional connecting hole of the axle that launches part and matches with first section of this connecting hole, the described fin that is articulated in first end of the axle that launches part pivoted by pushing of described support member to open and be placed in described ridge prominent between a side of position; The elasticity snib of described backup member continues to advance and matches with second section of this connecting hole, the described fin that is articulated in backup member pivoted by leaning of described support member to open and be placed in described ridge prominent between the opposite side of position.
9. a kind of supporting device of percutaneous expanding crest according to claim 8, it is characterized in that: first end of the axle of described expansion part is provided with one and is used to stop that the undue backstop that pivots of the fin that articulated is prominent, and this backstop is prominent to be made described fin pushed when pivoting by described support member to stop at and this position at angle.
10. a kind of supporting device of percutaneous expanding crest according to claim 8, it is characterized in that: also be provided with one on the described backup member and be used to stop that the undue backstop that pivots of the fin that articulated is prominent, this backstop is prominent makes described fin be subjected to described support member and backstop prominent leaning to pivot stop at and this position at angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100887058A CN101569552B (en) | 2008-04-28 | 2008-04-28 | Supporting device of percutaneous expanding crest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100887058A CN101569552B (en) | 2008-04-28 | 2008-04-28 | Supporting device of percutaneous expanding crest |
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| Publication Number | Publication Date |
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| CN101569552A true CN101569552A (en) | 2009-11-04 |
| CN101569552B CN101569552B (en) | 2012-06-20 |
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| CN2008100887058A Expired - Fee Related CN101569552B (en) | 2008-04-28 | 2008-04-28 | Supporting device of percutaneous expanding crest |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998663A (en) * | 2021-03-24 | 2021-06-22 | 青岛大学附属医院 | Tibiofibular syndesmosis stability detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100539959C (en) * | 2006-08-21 | 2009-09-16 | 叶中权 | Device for expanding pleurite vertebral column spinous process |
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2008
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998663A (en) * | 2021-03-24 | 2021-06-22 | 青岛大学附属医院 | Tibiofibular syndesmosis stability detection device |
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| Publication number | Publication date |
|---|---|
| CN101569552B (en) | 2012-06-20 |
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