CN1452943A

CN1452943A - Intervertebral supporting restorer

Info

Publication number: CN1452943A
Application number: CN 02118086
Authority: CN
Inventors: 李明钢; 叶安时
Original assignee: SHANGGUANYASHENGJI HOLDING GROUP CO Ltd
Current assignee: SHANGGUANYASHENGJI HOLDING GROUP CO Ltd
Priority date: 2002-04-22
Filing date: 2002-04-22
Publication date: 2003-11-05

Abstract

The present invention is one kind of interverterbral supporting reductor and copulate implantation tool, and includes one support body, one or several support sheets and one combining mechanism. The present invention features that the support body is combined with the support sheets via the combining mechanism, and the support body makes the support sheets close and open relatively to the support body by means of the combining mechanism.

Description

Intervertebral supporting restorer

Technical field

The invention relates to the implanting instrument of a kind of intervertebral supporting restorer and cooperation, particularly intervertebral supporting restorer.

Background technology

Existing recovery operation after impaired for a vertebra intervertebral disc, all be with just with traditional cardinal principle cutting operation, the mode of operating in side or position, back, this impaired spinal column intervertebral disc is found out and is taken out in patient's sick body incision, and then on the spinal column that this shortage intervertebral disc supports, down between two joint spines, implant the intervertebral eyelid retractor of an artificial system, so that this patient's spinal column supported and restore go back to original shape and position, as TaiWan, China patent announcement number the 439494th, 395237,390200,374722 and 360530 etc., all be that similar above-mentioned intervertebral disc is for using device or intervertebral implant.

But the traditional vertebra of this kind resets and operates on operation, only be to carry out to take out intervertebral disc and implantable artificial intervertebral eyelid retractor, but need carry out large-scale cutting operation on one's body patient, even if so after this patient has finished the corrective operation that resets of vertebra, still need recuperate a period of time to wait for the recovery of operative incision quietly, and invisible consumption that causes medical resource, and delayed time that patient recovers orthobiosis.

Summary of the invention

A purpose of the present invention is to provide a kind of intervertebral supporting restorer.

Another object of the present invention is to provide a kind of supporting body, one or the intervertebral supporting restorer of an a plurality of support chip and a combining mechanism that has.

Another purpose of the present invention is to provide a kind of and can makes these support chips open the intervertebral supporting restorer of entire action with respect to this supporting body work one by this combining mechanism.

A further object of the present invention is to provide a kind of implanting instrument that cooperates with intervertebral supporting restorer.

The present invention also has a purpose, is to provide a kind of being fit to carry out the intervertebral supporting restorer of small incision surgery and the implanting instrument of cooperation with endoscope.

Intervertebral supporting restorer of the present invention, it comprises:

One supporting body;

One or a plurality of support chip; And

One combining mechanism;

It is characterized in that: this supporting body is with this combining mechanism, combine with these support chips in fact, and this supporting body makes these support chips can do one with respect to this supporting body in fact and opens entire action with this combining mechanism.

Above-mentioned supporting body, be for one can support, in conjunction with and coat the outer shelly supporting body of these support chips and combining mechanism.

Above-mentioned support chip can be single, dual or most the setting, and with a upper support sheet and once support chip be set to preferablely, these support chips then are to combine with this supporting body in fact with this combining mechanism.

Above-mentioned combining mechanism, can be the known combining mechanism that has out entire function arbitrarily, for example by the combining mechanism that is constituted with a pole, a screw rod and a push rod, and this pole is to combine with this screw rod earlier in fact, this screw rod then combines with this push rod again, make this supporting body combine in fact, and the push rod of this combining mechanism combine in fact again with these support chips with the pole of this combining mechanism.

Above-mentioned intervertebral supporting restorer, it is that screw rod positive rotation with this combining mechanism is to promote this push rod, groove by the rake angle guide hole of the push arm of these push rod both sides and these support chips closes, making that these support chips are fulcrum with the pole of this combining mechanism, is an open lever spinning movement with respect to this supporting body; Otherwise when this screw rod was done reverse rotation, these support chips then were the entire actions of receipts.

Another implanting instrument that cooperates with intervertebral supporting restorer of the present invention again, it comprises:

One seizes instrument on both sides by the arms, its can with as the above-mentioned intervertebral supporting restorer of preceding page or leaf combine or separate; And

One throw;

It is characterized in that: the instrument of seizing on both sides by the arms of this implanting instrument is to combine with this throw in fact to be integral, this intervertebral supporting restorer can be seized on both sides by the arms by this instrument of seizing on both sides by the arms and be fixed and insert between a vertebral segments, this throw in fact then can make one or a plurality of support chip that this intervertebral supporting restorer had open or receive entire, this implanting instrument is inserted this intervertebral supporting restorer between this vertebral segments in fact, and these support chips are opened so that after this vertebral segments support resetted, this implanting instrument promptly separates with this intervertebral supporting restorer in fact and withdraws from this vertebral segments.

The instrument of seizing on both sides by the arms of above-mentioned implanting instrument combines with this intervertebral supporting restorer, combination in any way, for example clamping, engage or screw togather, be preferable wherein with clamping, this end of seizing instrument on both sides by the arms is to have a holding structure, and this holding structure comes down to and can combine with this intervertebral supporting restorer or separate.

The throw of above-mentioned implanting instrument, it is that an end is for having a spanner mechanism, this spanner mechanism can combine with the combining mechanism of this intervertebral supporting restorer in fact, this implanting instrument makes the support chip of this intervertebral supporting restorer to do one with respect to this supporting body with this spanner mechanism and opens entire action in fact by this throw rotation.

Above-mentioned intervertebral supporting restorer and implanting instrument etc., its volume or size can be arbitrary dimension, but to be fit to carrying out endoscopy surgery is preferable, this intervertebral supporting restorer at these support chips not for before opening action, its tranverse sectional thickness is preferable with 6 to 8mm, these support chips upwards, under open after, its tranverse sectional thickness (or 2 distance) farthest is preferable with 13 to 15mm then, and the total length of the cross section path length of this implanting instrument and this implanting instrument also cooperates this intervertebral supporting restorer size in fact and carry out the needs of endoscopy surgery, to adjust its size.

Forward and backward among the present invention, the place ahead, rear or forward, backward, be to be installed in this implanting instrument with this intervertebral supporting restorer clamping, and carry out endoscopy surgery and defined with the direction of advance between vertebral segments in the implant patient body, before, the place ahead with promptly refer to the direction of advance of this intervertebral supporting restorer forward, otherwise then be back, rear and backward, and on the what is called or top is meant when standing with patient, the direction of head is last or top, otherwise foot then is following or below; What is called is opened or is outwards opened again, is meant that the supporting body with this intervertebral supporting restorer is an initial point, and open or outwards open towards upholding then to be defined as away from the direction of this supporting body, otherwise then for receiving entire or inwardly receiving entire.

For further specifying the present invention, cooperate graphic being described as follows with preferred embodiment now:

Description of drawings

Fig. 1 a and Fig. 1 b receive entire for an intervertebral supporting restorer of preferred embodiment of the present invention and open illustrative view.

Fig. 2 is this intervertebral supporting restorer decomposing schematic representation of Fig. 1.

The implanting instrument preferred embodiment that Fig. 3 cooperates with intervertebral supporting restorer for the present invention.

Fig. 4 a to Fig. 4 d is implanted in continuous sketch map between a vertebral segments for this implanting instrument with this intervertebral supporting restorer.

The side-looking that Fig. 5 a and Fig. 5 b reset this vertebral segments support for this intervertebral supporting restorer reaches and looks sketch map.Drawing reference numeral

100 intervertebral supporting restorers, 110 supporting bodies

120 upper support sheets, 130 lower support sheets

140 poles, 150 screw rods

160 push rods, 111 sidewalls

112 circular holes, 113 elongated guide holes

121 sidewalls, 122 oblique guide holes

131 sidewalls, 132 oblique guide holes

142 perforation of 141 short cylindricals

151 die nut mechanisms, 152 threads

The perforation of 161 push arms, 162 internal screw threads

200 implanting instruments 210 are seized instrument on both sides by the arms

220 throws, 211 holding structures

221 spanner mechanisms, 300 sleeve pipes

520 times vertebral segments of vertebral segments on 510

The specific embodiment

Fig. 1 a and Fig. 1 b are a preferred embodiment of intervertebral supporting restorer of the present invention, wherein 100 is this intervertebral supporting restorer, 110 is a supporting body of this intervertebral supporting restorer 100,120 is a upper support sheet of this intervertebral supporting restorer 100,130 are support chip, 140 is a pole of these intervertebral supporting restorer 100 combining mechanisms, and 150 is a screw rod of this combining mechanism, and 160 is a push rod of this combining mechanism.

Among Fig. 2, each component Name and the respectively definition of this figure number are all identical with earlier figures 1.This pole 140 forms a pole face rod shape, has the less short cylindrical 141 that extend a central cylindrical and both sides, this central cylindrical centre also offers a perforation 142,150 of this screw rods become a direct rod shape, a shaft-like end is a female die nut shape mechanism 151, but it also can be screw or nut shape arbitrarily, as a word or crosswise screw or nut, the other end of screw rod 150 then is provided with thread 152 at the outer surface of this bar, the shape of this push rod 160 then is similar to this pole 140 but is slightly little, this push rod 160 also is extended with push arm 161 in the central cylindrical both sides, and also offers the internal screw thread perforation 162 that just can be fit to these screw rod 150 threads 152 in the middle of central cylindrical; During this combining mechanism combination, be that first perforation 142 with these pole 140 central cylindricals is set in the die nut shape mechanism 151 of this screw rod 150, make it rotate these screw rods 150 through the perforation 142 of these pole 140 central authorities by proper implements, then, wear on the thread 152 that is screwed on this screw rod 150 again with the internal screw thread perforation 162 of these push rod 160 central authorities.

Be somebody's turn to do last 120, the similar door type structure of the shape of lower support sheet 130, all has the sidewall 121 that extend a roof and both sides, 131, the sidewall rear end is that span is a bit larger tham span between the both sides sidewall of another support chip between the sidewall of both sides circular-arc and a wherein support chip, so that at this two support chip with after putting upside down mode up and down and making up, one support chip can coat another support chip, and can form the intersection of cultrating between these sidewalls, these sidewalls 121, on 131, offer an oblique guide hole 122,132, the oblique guide hole 122 of this upper support sheet 120 is by having a down dip forward on the back, 132 of the oblique guide holes of this lower support sheet 130 are tilted forward down by the back on the contrary, so, on this 120, after lower support sheet 130 is combined into one, these oblique guide holes 122,132 just can form an overlapping intersection.

This supporting body 110 is an extend one shape, has the sidewall 111 that a front end and both sides extend back, and this two sidewall 111 all offers a circular hole 112 and an elongated guide hole 113 relatively symmetrically.

During these intervertebral supporting restorer 100 combinations, be to make up earlier this combining mechanism in the above described manner, should go up 120 again, the 130 mutually sheathed combinations of lower support sheet, then, with the circular arc of these support chip sidewall rear ends against the cylinder of living these pole 140 central authorities, push arm 161 with these push rod 160 both sides, be inserted into the equitant oblique guide hole 122 of these support chip sidewalls, in 132, then this supporting body 110 is sleeved on outside the assembly of above-mentioned combining mechanism and support chip, with the 112 sheathed firmly short cylindricals 141 of this pole 140 of the circular hole on its both sides sidewall 111, and live by extended push rod 160 push arms 161 in the oblique guide hole of these support chips so that its elongated guide hole 113 is sheathed, and finish whole assemblings of this intervertebral supporting restorer 100.

Among Fig. 3, the implanting instrument 200 that should cooperate with intervertebral supporting restorer 100 also can cooperate a sleeve pipe 300 in addition again so that carry out the hands art of endoscope; This implanting instrument 200 includes the instrument of seizing on both sides by the arms 210 of a similar tool tong-like, and the throw 220 of a direct rod shape, and this seizes the implanting instrument 200 that

instrument

210 and 220 of this throws form one in fact on both sides by the arms; This seizes the handle end of an end for supplying to grip of instrument 210 on both sides by the arms, the other end then is the relative holding structure of a tong-like 211, this holding structure 211 just can cooperate the external form of this intervertebral supporting restorer 100, and can really this intervertebral supporting restorer 100 be seized on both sides by the arms firmly and can arbitrarily separate again, the holding end of one end of this throw 220 for gripping and conveniently reverse, then for cooperating the die nut mechanism 221 of aforementioned screw rod 150 rear ends female die nut shape mechanism 151, it also can be spanner mechanism arbitrarily to the other end certainly.

Among Fig. 4 a to Fig. 4 d, 510 is vertebral segments on, and 520 are vertebral segments, all the other each component Names and the respectively definition of this figure number, all with aforementioned respectively scheme identical.

Among Fig. 4 a, when carrying out the endoscopy surgery that vertebra resets, usually can be earlier be inserted into 510,520 of the vertebral segments of predetermined operation, and carry out preposition operative procedure with other instrument earlier, as remove original intervertebral disc that has suffered pathological changes with this sleeve pipe 300.

Among Fig. 4 b, the instrument of seizing on both sides by the arms 210 with this implanting instrument 200, this intervertebral supporting restorer 100 in aforesaid mode, is installed in the front end of this implanting instrument 200, and this intervertebral supporting restorer 100 is implanted to 510,520 of this vertebral segments via this sleeve pipe 300.

Among Fig. 4 c, after this intervertebral supporting restorer 100 is incorporated into preposition, just can begin to reverse the throw 220 of this implanting instrument 200,, and make 510,520 of this vertebral segments be strutted and reset so that the support chip 120,130 of this intervertebral supporting restorer 100 is opened.

Among Fig. 4 d, adjust this intervertebral supporting restorer 100 behind the Support Position and angle of 510,520 of this vertebral segments, just can decontrol this and seize seizing on both sides by the arms of 210 pairs of these intervertebral supporting restorers 100 of instrument on both sides by the arms, and taking-up this implanting instrument 200 and sleeve pipe 300, and determine errorless after, this operative incision sewed up finishes.

Among Fig. 5 a and Fig. 5 b, support this vertebral segments 510,520 and reset arbitrarily by angle and position for this intervertebral supporting restorer 100 during operation; And the definition of its component Name and figure number, all with aforementioned respectively scheme identical.

Claims

1. intervertebral supporting restorer, it comprises:

One supporting body;

One or a plurality of support chip; And

One combining mechanism;

2. intervertebral supporting restorer as claimed in claim 1, wherein these support chips are to reach support chip for having a upper support sheet, and these support chips are to combine in fact with this supporting body by this combining mechanism.

3. intervertebral supporting restorer as claimed in claim 1, wherein this combining mechanism comprises a pole, a screw rod and a push rod, this pole is to combine with this screw rod, this screw rod then combines with this push rod again, make this supporting body combine in fact, and the push rod of this combining mechanism combine in fact again with this supporting body and these support chips with the pole of this combining mechanism.

4. implanting instrument that cooperates with intervertebral supporting restorer, it comprises:

One seizes instrument on both sides by the arms, and it can combine with an intervertebral supporting restorer as claimed in claim 1 or separate; And

One throw;

It is characterized in that: the instrument of seizing on both sides by the arms of this implanting instrument comes down to combine with this throw and is integral, this intervertebral supporting restorer can be seized on both sides by the arms by this instrument of seizing on both sides by the arms and be fixed and insert between a vertebral segments, this throw in fact then can make one or a plurality of support chip that this intervertebral supporting restorer had open or receive entire, this implanting instrument is inserted this intervertebral supporting restorer between this vertebral segments in fact, and these support chips are opened so that after this vertebral segments support resetted, this implanting instrument promptly separates with this intervertebral supporting restorer in fact and withdraws from this vertebral segments.

5. the implanting instrument that cooperates with intervertebral supporting restorer as claimed in claim 4, wherein this end of seizing instrument on both sides by the arms is to have a holding structure, this holding structure can combine with this intervertebral supporting restorer or separate in fact.

6. the implanting instrument that cooperates with intervertebral supporting restorer as claimed in claim 4, wherein an end of this throw is to have a spanner mechanism, this spanner mechanism comes down to and can combine with the combining mechanism of this intervertebral supporting restorer, and the rotatable in fact support chip of this intervertebral supporting restorer that makes is opened entire action with respect to this supporting body work one.