CN102274091A - Double-layer titanium mesh for cranioplasty - Google Patents
Double-layer titanium mesh for cranioplasty Download PDFInfo
- Publication number
- CN102274091A CN102274091A CN201110173696A CN201110173696A CN102274091A CN 102274091 A CN102274091 A CN 102274091A CN 201110173696 A CN201110173696 A CN 201110173696A CN 201110173696 A CN201110173696 A CN 201110173696A CN 102274091 A CN102274091 A CN 102274091A
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- Prior art keywords
- titanium net
- skull
- internal layer
- layer titanium
- net
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The invention relates to a double-layer titanium mesh for cranioplasty, which is characterized by comprising an inner-layer titanium mesh and an outer-layer titanium mesh, wherein the outer-layer titanium mesh coincides with the defective edge on the outer surface of the cranial bone; the curvature of the outer-layer titanium mesh conforms to the appearance of the head; the gap between the inner-layer titanium mesh and the outer-layer titanium mesh is filled with autologous bone granules or artificial bone granules; the outer-layer titanium mesh comprises a scalp contact surface and fixed-end grooves; the curvature of the outer-layer titanium mesh conforms to the outer surface of the skull; the edge of the outer-layer titanium mesh coincides with the defective edge on the outer surface of the cranial bone; the outer-layer titanium mesh is fixed on the defective position on the outer surface by screws, so that the outer surface of the cranial bone can be closed; and the outer-layer titanium mesh is provided with holes. The titanium mesh can simultaneously repair the inner surface and the outer surface of the cranial bone, thereby realizing full anatomical and functional recovery and avoiding the brain tissue damage caused by inner surface defects.
Description
Technical field
It is material implanted to the present invention relates to a kind of people, is specifically related to a kind of titanium net materials that is used for cranioplasty surgery.
Background technology
Cranioplasty is the effective ways of treatment defect of skull.Need to use a kind of skull substitution material in the operation, i.e. the titanium net.The doctor produces corresponding titanium net according to the shape of patient's defect of skull.In operation, the titanium net is fixed on skull surface, make bone window closure, reach the purpose of repair deficiency, recovery head integrity, protection cerebral tissue.Find in the clinical operation that traditional repairing operation only forms protective layer at the skull outer surface, the skull inner surface still lack as.The damaged place of inner surface clear-cut margin when intracranial hypertension, cuts cerebral tissue easily.In the thicker zone of skulls such as ear temple and rear pillow part, the easier generation of this damage.
The present invention is directed to monolayer skull repairing titanium network capacity and easily cause the problem of cerebral lesion, propose a kind of skull repairing with double-deck titanium net.This titanium net is repaired skull inner surface and outer surface simultaneously, reaches the recovery fully of dissection and function, has avoided the damaged brain tissue impairment that causes of inner surface.
Summary of the invention
An object of the present invention is to provide a kind of internal layer titanium net that is used for cranioplasty; it is characterized in that described internal layer titanium net uses the high-hardness titanium alloy manufacturing; intensity is consistent with the intensity of skull; the edge of described internal layer titanium net and the damaged edge butt joint of skull inner surface; radian is consistent with the brain surface; the protection cerebral tissue is not subjected to the cutting at defect of skull edge; described internal layer titanium net further comprises cerebral tissue contact surface and right angle stiff end; described right angle stiff end rides over the skull outer surface; be screwed, stablize described internal layer titanium net, described internal layer titanium has hole on the net; the described hole diameter is 2 millimeters, every square centimeter of 4 holes.
Preferably, described right angle stiff end is at least three.
Preferably, on the described right angle stiff end hole is arranged.
Preferably, pore quantity is two on the described right angle stiff end.
Another object of the present invention provides a kind of double-deck titanium net that is used for cranioplasty; it repairs skull inner surface and outer surface simultaneously; it is characterized in that comprising aforesaid internal layer titanium net and outer titanium net; described outer titanium net and the damaged coincident of skull outer surface; its radian is consistent with the head dummy outward appearance; described internal layer titanium net and the intermediary space of described outer titanium net are used from body osseous granules or artificial bone grain packing; described outer titanium net comprises scalp contact surface and stiff end groove; the radian of described outer titanium net is consistent with the head outer surface; its edge and the damaged edge of skull outer surface overlaid; use screw to be fixed in the damaged place of outer surface; make skull outer surface closure; described outer titanium has hole on the net, and the described hole diameter is 2 millimeters, every square centimeter of 4 holes.
Preferably, described stiff end groove is at least three.
Preferably, described stiff end groove is that the right angle stiff end of described internal layer titanium net is reserved and adhered to the space.
Preferably, the hole of inside and outside two-layer titanium net is corresponding consistent.
The present invention also provides a kind of method of implementing the double-deck titanium net of cranioplasty of the present invention, is divided into internal layer and fixes, clogs and skin is fixed three steps.
The present invention also provides a kind of filling method of double-deck titanium net, described filling be meant with from body osseous granules or artificial bone uniform particles to be sprinkled upon the described internal layer titanium that fixes online, its surface is concordant with the skull outer surface.
The present invention also provides a kind of forming method of double-deck titanium net, and described molding is meant is processed into the special-purpose titanium net of the patient consistent with the damaged profile of patient's skull with flat titanium mesh plate, and idiographic flow is as follows:
(1) patient does the head CT thin slice scan, obtains the digital picture of damaged skull.
(2) the clinical image data are passed through the professional software three-dimensional reconstruction, utilize rapid shaping technique to make the resin mould of damaged skull.
(3) by Digit Control Machine Tool with the titanium mesh plate punch forming, consistent with damaged offside skull profile.Prune the titanium mesh plate edge, make it damaged coincident with resin mould.
The present invention also aims to provide a kind of double-deck titanium net that is used for cranioplasty, repair skull inner surface and outer surface simultaneously, reach the recovery fully of dissection and function, avoid the damaged brain tissue impairment that causes of skull inner surface, reduce operation risk.
To achieve these goals, the invention provides a kind of double-deck titanium net that is used for cranioplasty, described device comprises internal layer titanium net 2 and outer titanium net 3, as shown in Figure 1.Internal layer titanium net and outer titanium net use the high-hardness titanium alloy manufacturing, and hole diameter is 2 millimeters, every square centimeter of 4 holes.So both alleviated the weight of titanium net, increased water penetration, made again that the intensity of mend was consistent with the intensity of skull, and played and recover the head integrity, the purpose of protection cerebral tissue.Internal layer titanium net 2 edges and the damaged edge butt joint of skull inner surface, radian is consistent with the brain surface, and the protection cerebral tissue is not subjected to the cutting at defect of skull edge.Outer titanium net 3 and the damaged coincident of skull outer surface, radian is consistent with the head dummy outward appearance, plays the effect of regaining one's integrity property and beauty treatment.Internal layer titanium net and the intermediary space of outer titanium net are used from body osseous granules or artificial bone grain packing, treat that osseous tissue growth connects after, reach anatomical reduction.Internal layer titanium net and outer titanium net and intermediary osseous tissue also play the effect that the protection cerebral tissue is not subjected to the external force effect jointly.
Internal layer titanium net 2 of the present invention comprises cerebral tissue contact surface 2 and three right angle stiff ends 4, as shown in Figure 2.Three right angle stiff ends ride over the skull outer surface, are screwed, and stablize whole internal layer titanium net.The cerebral tissue contact surface sinks down into skull inner surface level, and its edge and the butt joint of skull inner surface edge make the inner surface closure.
Outer titanium net 3 of the present invention, scalp contact surface 3 and three stiff end grooves 5.Its radian is consistent with the head outer surface, and edge and the damaged edge of skull outer surface overlaid use screw to be fixed in the damaged place of outer surface, make skull outer surface closure.Groove is reserved for the internal layer stiff end and is adhered to the space.
The present invention protects a kind of internal layer titanium net that is used for cranioplasty; it is characterized in that described internal layer titanium net uses the high-hardness titanium alloy manufacturing; intensity is consistent with the intensity of skull; the edge of described internal layer titanium net and the damaged edge butt joint of skull inner surface; radian is consistent with the brain surface; the protection cerebral tissue is not subjected to the cutting at defect of skull edge; described internal layer titanium net further comprises cerebral tissue contact surface and right angle stiff end; described right angle stiff end rides over the skull outer surface; be screwed, stablize described internal layer titanium net.
Description of drawings
Fig. 1 is the double-deck titanium net schematic appearance that is used for cranioplasty; 1 for to have damaged skull, and 2 is internal layer titanium net, and 3 is outer titanium net, and 4 is the right angle stiff end of internal layer titanium net, and 5 is the stiff end groove of outer titanium net.
Fig. 2 is an internal layer titanium net sketch map; 2 is the cerebral tissue contact surface, and 4 is the right angle stiff end.
Fig. 3 is outer titanium net sketch map; 3 is the scalp contact surface, and 5 is the stiff end groove.
Fig. 4 is double-deck titanium net combination sketch map.
The specific embodiment
The concrete implementing procedure that is used for the double-deck titanium net of cranioplasty of the present invention can be divided into the titanium net forming, internal layer fixes, clogs and skin is fixed four steps, as shown in Figure 1.
The titanium net forming is meant flat titanium mesh plate is processed into the special-purpose titanium net of the patient consistent with the damaged profile of patient's skull.Idiographic flow is as follows:
(4) patient does the head CT thin slice scan, obtains the digital picture of damaged skull.
(5) the clinical image data are passed through the professional software three-dimensional reconstruction, utilize rapid shaping technique to make the resin mould of damaged skull.
(6) by Digit Control Machine Tool with the titanium mesh plate punch forming, consistent with damaged offside skull profile.
(7) prune the titanium mesh plate edge, make it damaged coincident with resin mould.
Internal layer fixedly is meant internal layer titanium net 2 is fixed on the skull by right angle stiff end 4, its cerebral tissue contact surface edge is docked with the damaged place of skull inner surface.Concrete implementing procedure is as follows:
(1) grind three bone grooves at the damaged edge of skull outer surface, its orientation and internal layer titanium net 2 the right angle stiff end coincide.
(2) the right angle stiff end of internal layer titanium net 2 is put into the bone groove, adjust the depth of bone groove according to the damaged involutory degree of cerebral tissue contact surface edge and skull inner surface, until involutory fully.
(3) use tapping screw that the right angle stiff end is fixed on the skull.
Filling is meant to be sprinkled upon the internal layer titanium that fixes online from body osseous granules or artificial bone uniform particles ground, and is surperficial concordant with the skull outer surface.
Outer fixedly being meant is fixed on the skull outer surface with outer titanium net 3.
Concrete implementing procedure is as follows:
(1) the stiff end groove 5 of outer titanium net 3 is involutory with the right angle stiff end 4 of internal layer titanium net 2.
(2) use tapping screw to fix in the both sides of three stiff end grooves 5.
(3) suitably use tapping screw to reinforce in the outer titanium net 3 and the intersection of skull.
Claims (8)
1. internal layer titanium net that is used for cranioplasty; it is characterized in that described internal layer titanium net uses the high-hardness titanium alloy manufacturing; intensity is consistent with the intensity of skull; the edge of described internal layer titanium net and the damaged edge butt joint of skull inner surface; radian is consistent with the brain surface; the protection cerebral tissue is not subjected to the cutting at defect of skull edge; described internal layer titanium net further comprises cerebral tissue contact surface and right angle stiff end; described right angle stiff end rides over the skull outer surface; be screwed, stablize described internal layer titanium net, described internal layer titanium has hole on the net; the described hole diameter is 2 millimeters, every square centimeter of 4 holes.
2. internal layer titanium net as claimed in claim 1 is characterized in that described right angle stiff end is at least three.
3. double-deck titanium net that is used for cranioplasty; it repairs skull inner surface and outer surface simultaneously; it is characterized in that comprising as claim 1-2 described internal layer titanium net and outer titanium net; described outer titanium net and the damaged coincident of skull outer surface; its radian is consistent with the head dummy outward appearance; described internal layer titanium net and the intermediary space of described outer titanium net are used from body osseous granules or artificial bone grain packing; described outer titanium net comprises scalp contact surface and stiff end groove; the radian of described outer titanium net is consistent with the head outer surface; its edge and the damaged edge of skull outer surface overlaid; use screw to be fixed in the damaged place of outer surface; make skull outer surface closure; described outer titanium has hole on the net, and the described hole diameter is 2 millimeters, every square centimeter of 4 holes.
4. double-deck titanium net as claimed in claim 3 is characterized in that described stiff end groove is at least three.
5. as the described double-deck titanium net of claim 3-4, described stiff end groove is that the right angle stiff end of described internal layer titanium net is reserved and adhered to the space.
6. the method for the double-deck titanium net of enforcement such as the described cranioplasty of claim 1-5 is divided into internal layer and fixes, clogs and skin is fixed three steps.
7. filling method that is used for as the double-deck titanium net of the described cranioplasty of claim 1-5, described filling be meant with from body osseous granules or artificial bone uniform particles to be sprinkled upon the described internal layer titanium that fixes online, its surface is concordant with the skull outer surface.
8. forming method that is used for as the double-deck titanium net of the described cranioplasty of claim 1-5, described molding are meant flat titanium mesh plate are processed into the special-purpose titanium net of the patient consistent with the damaged profile of patient's skull that idiographic flow is as follows:
(1) patient does the head CT thin slice scan, obtains the digital picture of damaged skull.
(2) the clinical image data are passed through the professional software three-dimensional reconstruction, utilize rapid shaping technique to make the resin mould of damaged skull.
(3) by Digit Control Machine Tool with the titanium mesh plate punch forming, consistent with damaged offside skull profile.Prune the titanium mesh plate edge, make it damaged coincident with resin mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110173696A CN102274091A (en) | 2011-06-24 | 2011-06-24 | Double-layer titanium mesh for cranioplasty |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110173696A CN102274091A (en) | 2011-06-24 | 2011-06-24 | Double-layer titanium mesh for cranioplasty |
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| CN102274091A true CN102274091A (en) | 2011-12-14 |
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| CN201110173696A Pending CN102274091A (en) | 2011-06-24 | 2011-06-24 | Double-layer titanium mesh for cranioplasty |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579052A (en) * | 2012-02-23 | 2012-07-18 | 万立华 | Repairing method of broken and incomplete skull and identification method of repaired photographic superimposition |
| CN103393486A (en) * | 2013-08-13 | 2013-11-20 | 华中科技大学同济医学院附属同济医院 | Method for preparing to-be-repaired skull flap by 3D printing |
| CN103479421A (en) * | 2013-10-05 | 2014-01-01 | 王学建 | Defect reconstruction instrument for endoscopic endonasal operation of neurosurgery development |
| CN103784218A (en) * | 2014-01-27 | 2014-05-14 | 步星耀 | Craniocerebral three-dimensional forming restoration with muscle base window and preparation method thereof |
| CN104842125A (en) * | 2015-05-12 | 2015-08-19 | 马永辉 | Method and system for manufacturing titanium alloy net for repairing skull |
| WO2015157554A1 (en) * | 2014-04-09 | 2015-10-15 | Ackerman Matthew | Implantable bone grafting devices, systems, and methods |
| CN105105872A (en) * | 2015-09-08 | 2015-12-02 | 哈尔滨工业大学 | Skull replacing apparatus of 3D print and manufacturing method thereof |
| CN105411725A (en) * | 2015-12-14 | 2016-03-23 | 宋占涛 | Preparation method and application of bone repair material having multi-dimensional channel structure |
| WO2016154549A1 (en) * | 2015-03-26 | 2016-09-29 | University Of Iowa Research Foundation | Cranioplasty plate |
| CN106377343A (en) * | 2016-08-30 | 2017-02-08 | 刘融 | 3D printing cranioplasty titanium net, and preparation method of same |
| CN106859816A (en) * | 2017-01-19 | 2017-06-20 | 武汉康酷利科技有限公司 | The netted skull patch of anatomical form 3D printing |
| CN106937880A (en) * | 2017-03-29 | 2017-07-11 | 中国科学院金属研究所 | A kind of degradable skull lock for improving skull healing ability |
| WO2018098652A1 (en) * | 2016-11-30 | 2018-06-07 | 重庆博仕康科技有限公司 | Basis cranii repairing device for transsphenoidal pituitary adenoma surgery |
| WO2018103640A1 (en) * | 2016-12-05 | 2018-06-14 | 广州迈普再生医学科技有限公司 | Skull repair system and preparation method therefor |
| CN108324407A (en) * | 2018-01-18 | 2018-07-27 | 中南大学湘雅医院 | A kind of porous bionical skull reparation structure based on increases material manufacturing technology |
| IT201800005325A1 (en) * | 2018-05-14 | 2019-11-14 | Cranial prosthesis | |
| CN113384380A (en) * | 2021-06-22 | 2021-09-14 | 深圳市艾科赛龙科技股份有限公司 | Skull prosthesis and manufacturing method thereof |
| CN113440304A (en) * | 2021-01-06 | 2021-09-28 | 杭州彗搏科技有限公司 | Multi-layer protection type metal mesh plate skull breaking and repairing device |
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| CN202235775U (en) * | 2011-06-24 | 2012-05-30 | 中国人民解放军第四军医大学唐都医院 | Inner-layer titanium mesh for cranioplasty and double-layer titanium mesh comprising inner-layer titanium mesh |
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| US5380328A (en) * | 1993-08-09 | 1995-01-10 | Timesh, Inc. | Composite perforated implant structures |
| US5503164A (en) * | 1994-01-28 | 1996-04-02 | Osteogenics, Inc. | Device and method for repair of craniomaxillofacial bone defects including burr holes |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579052A (en) * | 2012-02-23 | 2012-07-18 | 万立华 | Repairing method of broken and incomplete skull and identification method of repaired photographic superimposition |
| CN103393486A (en) * | 2013-08-13 | 2013-11-20 | 华中科技大学同济医学院附属同济医院 | Method for preparing to-be-repaired skull flap by 3D printing |
| CN103393486B (en) * | 2013-08-13 | 2015-09-02 | 华中科技大学同济医学院附属同济医院 | 3D is utilized to print the method for preparation cranial bone flap to be repaired |
| CN103479421A (en) * | 2013-10-05 | 2014-01-01 | 王学建 | Defect reconstruction instrument for endoscopic endonasal operation of neurosurgery development |
| CN103784218B (en) * | 2014-01-27 | 2017-04-19 | 步星耀 | Craniocerebral three-dimensional forming restoration with muscle base window and preparation method thereof |
| CN103784218A (en) * | 2014-01-27 | 2014-05-14 | 步星耀 | Craniocerebral three-dimensional forming restoration with muscle base window and preparation method thereof |
| WO2015157554A1 (en) * | 2014-04-09 | 2015-10-15 | Ackerman Matthew | Implantable bone grafting devices, systems, and methods |
| WO2016154549A1 (en) * | 2015-03-26 | 2016-09-29 | University Of Iowa Research Foundation | Cranioplasty plate |
| CN104842125A (en) * | 2015-05-12 | 2015-08-19 | 马永辉 | Method and system for manufacturing titanium alloy net for repairing skull |
| CN105105872A (en) * | 2015-09-08 | 2015-12-02 | 哈尔滨工业大学 | Skull replacing apparatus of 3D print and manufacturing method thereof |
| CN105411725A (en) * | 2015-12-14 | 2016-03-23 | 宋占涛 | Preparation method and application of bone repair material having multi-dimensional channel structure |
| CN105411725B (en) * | 2015-12-14 | 2018-04-20 | 宋占涛 | A kind of bone renovating material preparation method with more-dimensional channels structure |
| CN106377343A (en) * | 2016-08-30 | 2017-02-08 | 刘融 | 3D printing cranioplasty titanium net, and preparation method of same |
| WO2018098652A1 (en) * | 2016-11-30 | 2018-06-07 | 重庆博仕康科技有限公司 | Basis cranii repairing device for transsphenoidal pituitary adenoma surgery |
| WO2018103640A1 (en) * | 2016-12-05 | 2018-06-14 | 广州迈普再生医学科技有限公司 | Skull repair system and preparation method therefor |
| CN106859816A (en) * | 2017-01-19 | 2017-06-20 | 武汉康酷利科技有限公司 | The netted skull patch of anatomical form 3D printing |
| CN106937880A (en) * | 2017-03-29 | 2017-07-11 | 中国科学院金属研究所 | A kind of degradable skull lock for improving skull healing ability |
| CN108324407A (en) * | 2018-01-18 | 2018-07-27 | 中南大学湘雅医院 | A kind of porous bionical skull reparation structure based on increases material manufacturing technology |
| CN108324407B (en) * | 2018-01-18 | 2019-10-11 | 中南大学湘雅医院 | A kind of porous bionical skull reparation structure based on increases material manufacturing technology |
| IT201800005325A1 (en) * | 2018-05-14 | 2019-11-14 | Cranial prosthesis | |
| EP3569198A1 (en) * | 2018-05-14 | 2019-11-20 | MT Ortho S.r.l. | Cranial prosthesis |
| CN113440304A (en) * | 2021-01-06 | 2021-09-28 | 杭州彗搏科技有限公司 | Multi-layer protection type metal mesh plate skull breaking and repairing device |
| CN113384380A (en) * | 2021-06-22 | 2021-09-14 | 深圳市艾科赛龙科技股份有限公司 | Skull prosthesis and manufacturing method thereof |
| CN113384380B (en) * | 2021-06-22 | 2023-08-18 | 深圳市艾科赛龙科技股份有限公司 | Skull prosthesis and manufacturing method thereof |
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