CN203943738U - A kind of segment positioning device for anterior cervical operation - Google Patents
A kind of segment positioning device for anterior cervical operation Download PDFInfo
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- CN203943738U CN203943738U CN201420310667.7U CN201420310667U CN203943738U CN 203943738 U CN203943738 U CN 203943738U CN 201420310667 U CN201420310667 U CN 201420310667U CN 203943738 U CN203943738 U CN 203943738U
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Abstract
A kind of segment positioning device for anterior cervical operation, for anterior cervical operation, treating the operation sections of operation cervical vertebra accurately locates and labelling, to avoid the damage to other positions, described segment positioning device comprises: body, for seeing through the medical material part of X-ray, on described body, be provided with the mark channel for labelling anchor point after accurately locating; A plurality of development sections, for the medical material part developing under x-ray fluoroscopy, be fixed on described body and be evenly spaced, the gap between described a plurality of development sections arranges corresponding to the physiology size of human cervical spine, and described mark channel is arranged between every two development sections of described a plurality of development sections; Connecting portion, for the front portion of cervical vertebra to be performed the operation described in described body is temporarily fixed on, the operation sections of cervical vertebra described to be performed the operation is accurately located and labelling by X-ray examination.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of operation segment positioning device for anterior cervical operation.
Background technology
The operation sections that anterior cervical operation is usually directed to comprises neck 2/3, neck 3/4, neck 4/5, neck 5/6, neck 6/7, neck 7/ breast 1 totally six sections.Conventionally before operation by clinical and imaging examination, determine the concrete sections of intending implementing operation, in art according to preoperative plan to this target sections reduce pressure, fix, the operation technique such as fusion, to realize therapeutic purposes.In art, operation sections being located is accurately the prerequisite that successful surgery is implemented.In art, sections location mistake, can cause and need the sections of operation not obtain medical treatment, the serious consequence that normal sections is but merged by mistake.Therefore, how in art, target sections to be carried out to effective identification and labelling is the major issue of anterior cervical operation, because differentiation and the identification of each sections is difficult to the naked eye judge in art, the method for taking at present labelling apparatus to carry out x line perspective in side position in art is the commonplace measure addressing this problem.
In the anterior cervical operation art adopting both at home and abroad at present, sections labeling method generally includes two kinds.A kind of: the operating theater instruments by the hand-held not pass through x-ray of surgical doctor is positioned on the operation sections of estimating, and with x line fluoroscopic machine, carries out the photograph of side position, if indication sections is not target sections, movement indicator tool is taken a picture again, until indication sections is target sections.The method is without special labelling apparatus, but high to hardware condition requirement, the plumbous clothing of needs, lead enclose the safeguard procedures such as neck, C type arm x line fluoroscopic machine, aseptic C type arm protective cover, yet these conditions are still universal in China hospital, to such an extent as to usually cannot implement.In addition,, even if be equipped with above-mentioned safeguard procedures, because patient's cervical region and medical personnel's hands and forearm cannot effectively protect, be still difficult to prevent completely repeatedly the cumulative bad damage that x line perspective causes patient and medical personnel.
In clinical practice, be another kind of method more widely at present: adopt No. 5.5-6.5 (24G-23G) needle for injection thrust intervertebral space and keep somewhere, side position x line perspective judges that whether this gap is target gap, needs to adjust accordingly to find correct sections if not target gap.There is following problem with the needle for injection device that serves as a mark in the method: 1) needle tip is sharp keen and towards canalis spinalis direction, once insert dark or can cause the damage of neuromechanism in canalis spinalis to dark side's movement in photograph process, and causing neurological obstacle even to paralyse; Once insert shallowly, in x line photograph process, syringe needle is subject to surrounding tissue and pushes and may deviate from, and has the damage risk of the important structure such as esophagus, trachea, neck arteriovenous around, so the method has potential safety hazard.2) when for the first time, locate inaccurately, after being about to syringe needle and inserting certain gap, perspective shows that when this gap is not target operation gap, this contact pin piercing process can cause unnecessary damage to normal disc.Normal disc is enclosed construction, is positioned at the nucleus pulposus of intervertebral disc central authorities without blood supply, leans on osmosis and the outer layer fiber ring blood vessel of tissue fluid to carry out mass exchange.Organize the same with articular cartilage, meniscus etc., the very difficult self-regeneration once the tissue of the interior this shortage blood supply of human body sustains damage, although piercing needle used is thinner, the intervertebral disc degeneration that is still difficult to avoid the damage of normal disc and causes thus accelerates, and for this sections becomes new focus, leaves hidden danger., if the gap of this method contact pin in intervertebral space contact pin location is the operation gap of being scheduled to just, can not cause additional injuries so, if the gap of contact pin is not the operation gap of being scheduled to, will cause unnecessary damage to this gap yet.
In addition, the patent No. is " 201220393520 ", the Chinese utility model patent that name is called " a kind of cervical vertebral body localizer " discloses a kind of localizer for anterior cervical operation vertebra localization, although position point is transformed into vertebral body sclerotin part by disc tissue, can prevent intervertebral disc degeneration, but the method still can cause extra damage to patient.The patent No. is " 201220658593 ", name is called the disclosed a kind of localizer for anterior cervical operation of Chinese utility model patent of " the three-dimensional body surface locator of a kind of vertebra ", by the use of combining of cross joint sleeve and pedicle of vertebral arch localizer, can realize three-dimensional localization to operative region, but the composition parts of this localizer are more, and its positioning precision is subject to the impact of its machining accuracy and installation accuracy larger, operates also relative complex.The patent No. is " 201320576105 ", name is called the disclosed body surface locator of locating for anterior cervical operation of Chinese utility model patent of " anterior cervical operation body surface locator ", although can not cause damage to patient, but this localization method complicated operation, if and behind location when moving or performing the operation position change, can produce larger error, its actual effect cannot be determined.Visible, labeling method of the prior art have practicality poor, easily cause cumulative bad RADI, have potential safety hazard and easily cause the defects such as wound to normal intervertebral disc structure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of segment positioning device for anterior cervical operation, can in operation, not damage other normal configuration and realize to operation sections position labelling, to solve above-mentioned problems of the prior art.
To achieve these goals, this utility model provides a kind of segment positioning device for anterior cervical operation, wherein, comprising:
Body, for seeing through the medical material part of X-ray, is provided with the mark channel for labelling anchor point after accurately locating on described body;
A plurality of development sections, for the medical material part developing under x-ray fluoroscopy, be fixed on described body and be evenly spaced, the gap between described a plurality of development sections arranges corresponding to the physiology size of human cervical spine, and described mark channel is arranged between every two development sections of described a plurality of development sections; And
The anterior connecting portion that is used for cervical vertebra to be performed the operation described in described body is temporarily fixed on.
Above-mentioned segment positioning device, wherein, described connecting portion is double-sided adhesive layer, in described double-sided adhesive layer, be provided with the connecting portion passage corresponding to described mark channel, the laminating of the first binding face of described double-sided adhesive layer and the bottom surface of described body, the second binding face of described double-sided adhesive layer with described in the front portion laminating of cervical vertebra to be performed the operation.
Above-mentioned segment positioning device, wherein, is pasted with respectively the release paper of removing before using on described the first binding face and described the second binding face.
Above-mentioned segment positioning device, wherein, is pasted with the release paper of removing before using on described the second binding face.Above-mentioned segment positioning device, wherein, described body is that cross section is the strip structure of rectangle, the bottom surface of described body is plane or along the cambered surface of described body length direction, the radian of described cambered surface is corresponding to the physiologic radian of described human cervical spine.
Above-mentioned segment positioning device, wherein, described mark channel is a plurality of through holes that are positioned on the longitudinal center line of described body, the axis of described a plurality of through holes is parallel to each other and perpendicular to the longitudinal center line of described body.
Above-mentioned segment positioning device, wherein, described mark channel is a plurality of grooves that are positioned at described body one side, the axis of described a plurality of grooves is parallel to each other and perpendicular to the longitudinal center line of described body.
Above-mentioned segment positioning device, wherein, the upper parallel of described body is provided with the uniform groove in a plurality of intervals, described development section is chimeric to be fixed in described groove, the length direction of described groove is perpendicular to the above-mentioned segment positioning device of the length direction of described body, wherein, described development section is medical stainless steel, titanium, cobalt-base alloys or ceramic material part.
Above-mentioned segment positioning device, wherein, described body is medical plastic, lucite, polyether-ether-ketone or heat-resisting nylon material pieces.
Technique effect of the present utility model is:
What this utility model had replaced syringe needle puncture in the temporary fixed mode non-invasive, reversibility is bonding has a wound mode, has avoided unnecessary cervical intervertebral disk tissue injury and the regression that causes is thus accelerated; This utility model not damaged spinal cord, esophagus, trachea and the arteriovenous risk of neck, do not increase postoperative complication; The porous form that in art, x line this device of when perspective in side position presents can be used as the reference of target-marking intervertebral space, Polaroidly can complete location, has avoided the phototoxis that x line perspective causes repeatedly; With the corresponding mark channel in hole on x line fluoroscopy images, be applicable to universal electric knife tip and carry out accurate labelling by this mark channel, avoided removing the displacement of the mark position that the method for carrying out again labelling after this positioner causes because of the deviation of subjective judgment; Adopt disposable double-sided adhesive layer to fix, cheap, and be easy to assemble with separated with other parts, be convenient to clinical practice; The chimeric main body being integrated and development section repeatedly high-temperature sterilization are used, Economy type medicine cost.In a word, this utility model is practical, effectively, safety, noinvasive, and be easy to manufacture, with low cost, can Reusability.
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the segment positioning device structural representation of this utility model one embodiment;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the upward view of Fig. 1;
Fig. 5 is the segment positioning device cutaway view of another embodiment of this utility model;
Fig. 6 is the segment positioning device cutaway view of the another embodiment of this utility model;
Fig. 7 is the using state schematic diagram of this utility model one embodiment.
Wherein, Reference numeral
1 body
11 mark channel
12 bottom surfaces
13 grooves
2 development sections
3 connecting portions
31 first binding faces
32 second binding faces
33 connecting portion passages
4 cervical vertebras to be performed the operation
41 target intervertebral spaces
The adjacent intervertebral space of 42 target intervertebral space head sides
The adjacent intervertebral space of 43 target intervertebral space tail sides
5 electric knifes
The specific embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and operation principle are described in detail:
Referring to Fig. 1-Fig. 4, Fig. 1 is the segment positioning device structural representation of this utility model one embodiment, the cutaway view that Fig. 2 is Fig. 1, the top view that Fig. 3 is Fig. 1, the upward view that Fig. 4 is Fig. 1.Segment positioning device for anterior cervical operation of the present utility model, treats the operation sections of operation cervical vertebra 4 and accurately locates and labelling for anterior cervical operation, to avoid the damage to other positions, described segment positioning device comprises:
Body 1, for seeing through the medical material part of X-ray, can be for example medical plastic, lucite, polyether-ether-ketone or heat-resisting nylon material pieces, requirement be basically identical with the thermal expansion of development section 2 materials, can tolerate medical article high pressure steam sterilization and not occur distortion or fracture.On described body 1, be provided with the mark channel 11 for labelling anchor point after accurately locating, wherein, described mark channel 11 can be for being positioned at a plurality of through holes (as shown in Figure 1) on the longitudinal center line of described body 1, and the axis of described a plurality of through holes is parallel to each other and perpendicular to the longitudinal center line of described body 1.Or described mark channel 11 also can be a plurality of groove (not shown) that are positioned at described body 1 one sides, the axis of described a plurality of grooves is parallel to each other and perpendicular to the longitudinal center line of described body 1.
A plurality of development sections 2, are the medical material part developing under x-ray fluoroscopy, for example, can be medical stainless steel, titanium, cobalt-base alloys or ceramic material part.Be fixed on described body 1 and be evenly spaced, the gap between described a plurality of development sections 2 arranges corresponding to the physiology size of human cervical spine, and described mark channel 11 is arranged between every two development sections 2 of described a plurality of development section 2.This development section 2 can have multiple with the fixed form of body 1, in the present embodiment, the upper parallel of described body 1 is provided with the uniform groove 13 in a plurality of intervals, and described development section 2 is chimeric to be fixed in described groove 13, and the length direction of described groove 13 is perpendicular to the length direction of described body 1.
Connecting portion 3, for cervical vertebra to be performed the operation 4 Qian roads described in described body 1 is temporarily fixed on, the operation sections of cervical vertebra 4 described to be performed the operation is accurately located and labelling by X-ray examination.
Referring to Fig. 2, because this utility model is positioned over cervical vertebral body front portion, pushing this device in the time of can being subject to surrounding tissue organ (trachea, esophagus etc.) reply normal position, easily displacement, so connecting portion 3 must have certain adhesive force with body, for example can adopt the method for absorption to connect, but this method of attachment is more complicated, and can not guarantees that each use all realizes active adsorption and fixes.Therefore, in the present embodiment, described connecting portion 3 is preferably double-sided adhesive layer, can not produce damage, and has certain adhesive force, is enough to resist pushing of surrounding tissue.In described double-sided adhesive layer, be provided with the connecting portion passage 33 corresponding to described mark channel 11, this connecting portion passage can be through hole or the groove same with mark channel 11, or this connecting portion passage 33 can not arrange this double-sided adhesive layer corresponding to described mark channel 11 places yet, the first binding face 31 of described double-sided adhesive layer and 12 laminatings of the bottom surface of described body 1, the second binding face 32 of described double-sided adhesive layer with described in the front portion laminating of cervical vertebra 4 to be performed the operation.Wherein, on described the first binding face 31 and described the second binding face 32, can be pasted with respectively the release paper (not shown) that need remove before using.Or the first binding face 31 is bonded on the bottom surface 12 of described body 1 in advance, only on described the second binding face 32, be pasted with the release paper that need remove before using.
Referring to Fig. 5, Fig. 6, Fig. 5 is the segment positioning device cutaway view of another embodiment of this utility model, and Fig. 6 is the segment positioning device cutaway view of the another embodiment of this utility model.In the present embodiment, described body 1 is preferably the strip structure that cross section is rectangle, certainly this cross section can be also other shapes, only however impact location just can, this is not particularly limited, the bottom surface 12 of described body 1 is preferably plane (referring to Fig. 2) or along the cambered surface (referring to Fig. 5, Fig. 6) of described body 1 length direction, the radian of described cambered surface is corresponding to the physiologic radian of described human cervical spine.This cambered surface can be set to inner concave (referring to Fig. 5) or outer convex surface (referring to Fig. 6) as required, mutually docile and obedient with patient's lordosis or rear protruding cervical curvature respectively.
This utility model is bonded in cervical vertebra front portion in noninvasive mode temporarily, can not cause extra damage to body tissue, does not increase postoperative complication risk; Under X-ray examination, present clearly, the porous form of space, the accurate location of the sections of being convenient to perform the operation, mark channel 11 is convenient to accurately, labelling easily.Under the x-ray fluoroscopy of side position, this utility model is rendered as: metal derby-hole-metal derby-hole ... spaced structure, finding target operation gap (intervertebral disc) is the corresponding mark channel 11 of target intervertebral space 41, then (tissue that available electric knife 5 burns these mark channel 11 belows makes it form and changes with electric knife 5, along this mark channel 11, to carry out labelling, can distinguish with normal surrounding tissue, tissue after burning is due to the gap of performing the operation in target, in follow-up operation process by cut, so can not cause the additional injuries of body tissue).Probability and the infringement of X ray to patient and medical personnel of sections marked erroneous have been reduced to greatest extent.This utility model also can adopt the positioning needle with depth stop structure, along definite locating hole (being mark channel 11), is inserted into row labels, removes after this segment positioning device, and this positioning needle is retained in the position that target intervertebral space 41 is sentenced indication operation.This utility model all without particular restriction, as long as can realize noinvasive mode labelling operation sections, can be done certain adjustment and variation to the radian of the quantity of the size of body 1, development section 2 and mark channel 11, shape and body 1 bottom surface etc. in allowed limits.
For example, in this utility model one embodiment, the length of body 1 can be 26-40mm, be preferably 29mm, width can be 8-12mm, be preferably 10mm, development section 2 selectable length 6-9mm wherein, be preferably 8mm, width 2-4mm, be preferably 3mm, height 3-5mm, be preferably 4 pieces of the bonding jumpers of 4mm, also can be 5-7 piece, corresponding mark channel 11 can be 3-6, this bonding jumper is preferably Ti-6Al-4V alloy material piece, interval is embedded in the groove 13 of body 1, the upper surface of bonding jumper can be 1-3mm apart from the distance of body 1 upper surface, be preferably 2mm, the upper surface of this bonding jumper also can be concordant or be exceeded the upper surface of this body 1, each bonding jumper spacing can be 4-6mm, be preferably 5mm, the bonding jumper back gauge at two ends can be 0.5-1.5mm, be preferably 1mm.Body 1 is preferably PEEK (polyether-ether-ketone) material pieces.Mark channel 11 can be radius 1-2mm, is preferably the through hole of radius 1.5mm, and totally 3 can be also 3-6 corresponding to the number of development section 2, as the passage that carries out sections labelling.This through hole of passage 11 and the back gauge on body 1 long axis direction of serving as a mark can be 4-7mm, be preferably 5mm, back gauge on this through hole and body 1 short-axis direction can be 3-4mm, be preferably 3.5mm, spacing between this through hole can be 4-6mm, be preferably 5mm, the aperture of the connecting portion passage 33 in double-sided adhesive layer, layout need be in full accord with the through hole of this passage 11 that serves as a mark.
Referring to Fig. 7, Fig. 7 is the using state schematic diagram of this utility model one embodiment.During operation, double-sided adhesive layer is removed after release paper, first the first binding face 31 of double-sided adhesive layer is bonded in to the bottom surface 12 of body 1, makes the connecting portion passage 33 of double-sided adhesive layer involutory one by one with the mark channel 11 of body 1; Again body 1 is positioned over to cervical vertebral body after appearing anterior, the second binding face 32 that makes double-sided adhesive layer with appear after cervical vertebral body front portion organize temporarily bonding.Then carry out x-ray side position perspective, according to development section 2, covering rear body 1 hole of shown spaced mark channel 11 and position relationship of target intervertebral space 41 under x-ray positions, select the mark channel 11 of the most close target intervertebral space 41, mark channel 11 and connecting portion passage 33 are inserted in the tip of electric knife 5, the through vertebra row labels of advancing.In the present embodiment, the 3rd intervertebral space that hole is corresponding is target intervertebral space 41, the adjacent of this target intervertebral space 41 is the adjacent intervertebral space 42 of target intervertebral space head side and the adjacent intervertebral space 43 of target intervertebral space tail side, the 3rd hole corresponding to target intervertebral space 41 inserted in electric knife 5 tips, before through vertebra, burn labelling.Remove afterwards segment positioning device of the present utility model, and according to mark and some target intervertebral space 41 carried out to operation technique.
Visible, the utlity model has following advantage:
1, non-invasive, can not damage body normal structure structure, thus the problems such as regression acceleration of having avoided unnecessary damage to cause;
2, safety, is positioned over vertebral body the place ahead and uses, and without sharp keen tip or edge, can not threaten to vital tissue structure around, does not increase postoperative complication; The body 1 of this device adopts integral structure, and development section 2 embeds bodies 1, can loose or dislocation, avoided parts dispersions that come off in operation, the risk that is difficult to searching;
3, practicality, in operation, during the X-ray examination of side position, the porous form that this utility model presents can be used as the reference of target-marking intervertebral space 41, Polaroidly can complete location, without perspective repeatedly;
4, accuracy, can carry out the labelling of target intervertebral space 41 with the corresponding mark channel 11 in hole on X-ray examination image, has avoided removing the malfunction of the mark position that the method for carrying out again labelling after segment positioning device causes because of the deviation of artificial subjective judgment;
5, economy, adopts the medical material of ripe application clinically, and material is simple, with low cost, Reusability after can sterilizing, Economy type medicine cost.
Certainly; this utility model also can have other various embodiments; in the situation that not deviating from this utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to this utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of this utility model.
Claims (10)
1. for a segment positioning device for anterior cervical operation, it is characterized in that, comprising:
Body, for seeing through the medical material part of X-ray, is provided with the mark channel for labelling anchor point after accurately locating on described body;
A plurality of development sections, for the medical material part developing under x-ray fluoroscopy, be fixed on described body and be evenly spaced, the gap between described a plurality of development sections arranges corresponding to the physiology size of human cervical spine, and described mark channel is arranged between every two development sections of described a plurality of development sections; And
The anterior connecting portion that is used for cervical vertebra to be performed the operation described in described body is temporarily fixed on.
2. segment positioning device as claimed in claim 1, it is characterized in that, described connecting portion is double-sided adhesive layer, in described double-sided adhesive layer, be provided with the connecting portion passage corresponding to described mark channel, the laminating of the first binding face of described double-sided adhesive layer and the bottom surface of described body, the second binding face of described double-sided adhesive layer with described in the front portion laminating of cervical vertebra to be performed the operation.
3. segment positioning device as claimed in claim 2, is characterized in that, is pasted with respectively the release paper of removing before using on described the first binding face and described the second binding face.
4. segment positioning device as claimed in claim 2, is characterized in that, is pasted with the release paper of removing before using on described the second binding face.
5. the segment positioning device as described in claim 1,2,3 or 4, it is characterized in that, described body is that cross section is the strip structure of rectangle, and the bottom surface of described body is plane or along the cambered surface of described body length direction, the radian of described cambered surface is corresponding to the physiologic radian of described human cervical spine.
6. segment positioning device as claimed in claim 5, is characterized in that, described mark channel is a plurality of through holes that are positioned on the longitudinal center line of described body, and the axis of described a plurality of through holes is parallel to each other and perpendicular to the longitudinal center line of described body.
7. segment positioning device as claimed in claim 5, is characterized in that, described mark channel is a plurality of grooves that are positioned at described body one side, and the axis of described a plurality of grooves is parallel to each other and perpendicular to the longitudinal center line of described body.
8. the segment positioning device as described in claim 1,2,3,4,6 or 7, it is characterized in that, the upper parallel of described body is provided with the uniform groove in a plurality of intervals, and described development section is chimeric to be fixed in described groove, and the length direction of described groove is perpendicular to the length direction of described body.
9. segment positioning device as claimed in claim 8, is characterized in that, described development section is medical stainless steel, titanium, cobalt-base alloys or ceramic material part.
10. segment positioning device as claimed in claim 9, is characterized in that, described body is medical plastic, lucite, polyether-ether-ketone or heat-resisting nylon material pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310667.7U CN203943738U (en) | 2014-06-11 | 2014-06-11 | A kind of segment positioning device for anterior cervical operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310667.7U CN203943738U (en) | 2014-06-11 | 2014-06-11 | A kind of segment positioning device for anterior cervical operation |
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| CN203943738U true CN203943738U (en) | 2014-11-19 |
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| CN201420310667.7U Expired - Fee Related CN203943738U (en) | 2014-06-11 | 2014-06-11 | A kind of segment positioning device for anterior cervical operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027171A (en) * | 2014-06-11 | 2014-09-10 | 北京大学第三医院 | Segment positioning device for anterior cervical operation |
| CN110301961A (en) * | 2019-07-26 | 2019-10-08 | 河北瑞鹤医疗器械有限公司 | Intervertebral disc operation notch positioning device |
-
2014
- 2014-06-11 CN CN201420310667.7U patent/CN203943738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027171A (en) * | 2014-06-11 | 2014-09-10 | 北京大学第三医院 | Segment positioning device for anterior cervical operation |
| CN110301961A (en) * | 2019-07-26 | 2019-10-08 | 河北瑞鹤医疗器械有限公司 | Intervertebral disc operation notch positioning device |
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