CN102028561B - Basis cranii repairing body - Google Patents
Basis cranii repairing body Download PDFInfo
- Publication number
- CN102028561B CN102028561B CN201010575236XA CN201010575236A CN102028561B CN 102028561 B CN102028561 B CN 102028561B CN 201010575236X A CN201010575236X A CN 201010575236XA CN 201010575236 A CN201010575236 A CN 201010575236A CN 102028561 B CN102028561 B CN 102028561B
- Authority
- CN
- China
- Prior art keywords
- expander
- basis cranii
- conduit
- annular space
- repairing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a surgery appliance, in particular to a basis cranii repairing body. The basis cranii repairing body is characterized in that the repairing body is in a mushroom shape formed by connecting a fungoid supporting body (1) made of medical silica gel and a fungoid expansion body (2) made of medical silica gel up and down, wherein the expansion body (2) is in a hollow thin-wall structure, a conduit (3) extends upwards from the middle of the bottom of the expansion body (2), the upper end of the conduit (3) is connected with the supporting body (1), the outer wall of the lower end is connected with the bottom surface of the expansion body (2) into a whole, and therefore, space in the expansion body (2) is annular; the annular space in the expansion body (2) is filled with medical super absorbent polymers which accounts for 1-5% of the volume of the annular space; and the wall of the conduit (3) is provided with a water inlet (4) communicated with the annular space in the expansion body (2). The basis cranii repairing body disclosed in the invention can be used for repairing basis cranii with large coloboma and requires relatively fewer operation admission passages.
Description
Technical field
The present invention relates to surgery article, be specifically related to repair basis cranii defect repairing material.
Background technology
Nerve endoscope is a kind of technology of utilizing diameter 0.2-0.6 centimetre scope that intracranial lesion is treated.Along with the development of nerve endoscope technology, the Therapeutic Method that becomes a kind of routine is excised in basis cranii saddle district and the other district of saddle tumor through enlarge the approach operation through sphenoid sinus.But the wild local soft tissue of basis cranii sclerotin, cerebral dura mater and art that normal generation is bigger after the excision pathological changes is damaged, has increased the probability of complication such as postoperative generation cerebrospinal leak, meningitis, pneumoencephalos and brain bulging.Cerebrospinal leak is a most common complication after sphenoid sinus enlarges the approach operation, in order to prevent cerebrospinal leak, need rebuild the damaged part of postoperative basis cranii.At present, be used for having through the method that sphenoid sinus enlarges the approach operation back damaged reconstruction of basis cranii multiple clinically, for example, basis cranii is damaged during less than 0.5cm usually, the method repairing that can adopt mucosa and gelfoam to clog; Basis cranii is damaged when being 0.5～1.2cm, and the method that can adopt mucosa, gelfoam and artificial dura mater to clog is repaired; And under the damaged situation greater than 2.0cm of basis cranii, artificial dura mater capable of using and biological fibrin glue are repaired dura mater is damaged, need come basis cranii bony defect (being the fistula mouth) is repaired through adopting autologous tissue or titanium alloy reticulated in addition.But autologous tissue is applied in the situation that has liquefaction of fat clinically and occurs, and drawing materials from body has simultaneously also increased patient's misery, has prolonged operating time; And when adopting titanium alloy reticulated, because its shape is more fixing, when the fistula mouth is big, must enlarge operative approach could it be inserted, both increased the workload of performing the operation, also strengthened patient's misery.
Summary of the invention
In view of the deficiency of prior art, technical problem to be solved by this invention provides and repairs the damaged surgery article of basis cranii a kind of nerve endoscope under, but its basis cranii that not only the repair deficiency area is big damage, and needed operative approach is also less relatively.
The technical scheme that the present invention addresses the above problem is following:
A kind of basis cranii repairing body is characterized in that, this repairing body connects into the mushroom fungus shape up and down by supporting mass that is the gill fungus umbrella that adopts medical silica-gel to process and the expander that is gill fungus handle shape that adopts medical silica-gel to process; Wherein, Described expander is hollow thin-wall construction, and the middle part of its bottom surface extends upward a conduit, and the upper end of this conduit is connected with supporting mass; The outer wall of lower end and the bottom surface of expander fuse, and make that the intravital space of expansion is an annular; Be filled with 1～5% the medical high polymer water-absorbing resin that is equivalent to said annular space volume in the intravital annular space of described expansion, the wall of described conduit is provided with the inlet opening that is communicated with the intravital annular space that expands.
A kind of basis cranii repairing body of the present invention, the bottom surface diameter of wherein said expander is greater than the diameter of itself and supporting mass faying face, with further raising slip-off preventing effect.
A kind of basis cranii repairing body of the present invention; Wherein said medical high polymer water-absorbing resin can be to be raw material with natural macromolecular material chitosan and derivant thereof; It is carried out chemical modification and the super absorbent resin that makes; Concrete method for preparing can be that disclosed method for preparing prepares voluntarily in 200410080300.1 the patent of invention with reference to the patent No., also can be the similar products of buying on the market.
Basis cranii repairing body of the present invention, fill in the wherein said expander the medical high polymer water-absorbing resin water that not only can absorb hundreds of times of himself weight and even thousands of times rapidly form hydrogel and expand, and the water that is squeezed can not separated out.Therefore, can its volume be expanded rapidly through the water filling in expander of described supravasal water inlet in the operation, realize shutoff basis cranii fistula mouth.In addition, not only have intensity preferably, and have excellent biological compatibility again by medical silica-gel, thus can contact with damaged cerebral dura mater for a long time, and can strong support be provided for the regeneration of basis cranii meningocyte.
Basis cranii repairing body of the present invention has following beneficial effect:
Since supporting mass and expander process by medical silica-gel; And expander is hollow thin-wall construction; Therefore whole repairing body is compressible before water filling not; Promptly have less initial volume, just can it be inserted basis cranii, when the big basis cranii of repairing is damaged, more show its superiority especially thereby need not to enlarge operative approach.
2. the internal pressure that produces after the imbibition of medical high polymer water-absorbing resin makes that outer surface and the fistula of expander is tight-lipped and thickly fits that sealing effectiveness very significantly.
3. the internal pressure that produces after the imbibition of medical high polymer water-absorbing resin can make described deformation of guide tube and shrink; Automatically promptly with the water inlet shutoff; Can avoid water before absorbing fully, to be overflowed by described medical high polymer water-absorbing resin; Both exempted the program of shutoff water inlet, and improved again and prevented the imbibition effect.
Description of drawings
Fig. 1 and Fig. 2 are the structural representation of a specific embodiment of basis cranii repairing body of the present invention, and wherein, Fig. 1 is a front view, and Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the user mode figure of embodiment illustrated in figures 1 and 2.
Fig. 4 is the structural representation of another specific embodiment of basis cranii repairing body of the present invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2, whole repairing body is the mushroom fungus shape, and the supporting mass 1 on top is the gill fungus umbrella, and the expander 2 of bottom is gill fungus handle shape, and the two all uses medical silica-gel to make, and adopts the method for heat seal to link together up and down.As depicted in figs. 1 and 2, expander 2 is hollow thin-wall construction, and the diameter of itself and supporting mass 1 faying face is truncated cone-shaped less than the diameter of bottom surface.The center of expander 2 bottom surfaces extends upward a conduit 3, and the tube wall of this conduit 3 is provided with inlet opening 4, its upper end and supporting mass 1 heat seal together, the bottom surface of the outer wall of lower end and expander 2 fuses, and makes that the spaces in the expander 2 are annular.Be filled with medical high polymer water-absorbing resin 5 in the annular space in the expander 2, its loading is 1% of a said annular space volume.Referring to Fig. 3, conduit 3 is communicated with above-mentioned annular space through inlet opening 4, through conduit 3 through inlet opening 4 after the annular space water filling, medical high polymer water-absorbing resin 5 expands rapidly, forces expander 2 to expand into flat cydariform.
Referring to Fig. 4, the difference of present embodiment and embodiment 1 is that the profile of described expander 2 is cylindrical; Adopt binding agent to bond together up and down between supporting mass 1 and the expander 2; The loading of the annular space inner macromolecule water-absorbing resin 5 of expander 2 is 5% of a said annular space volume.
Below in conjunction with accompanying drawing the damaged method for using of basis cranii that basis cranii repairing body of the present invention is applied to repair after dish enlarges operative approach excision hypophysis cerebri tumor is described below:
Referring to Fig. 1～Fig. 3, under the guiding of nerve endoscope, repairing body is enlarged operative approach through dish send in the sphenoid sinus, and supporting mass 1 is inserted in the hypophysial fossa 8, and expander 2 stretches out the fistula mouth and stays in the sphenoid sinus through the fistula mouth on the dish bone 6.The upper surface of supporting mass 1 contacts with the damaged cerebral dura mater of hypophysis cerebri 7 and cerebral dura mater is played a supporting role, and under the pressure effect of hypophysis cerebri 7, the lower surface of supporting mass 1 is fitted in the surface of hypophysial fossa 8 bottoms, plays plugging action.At this moment, through water inlet 4 water filling in expander 2, expand rapidly in the medical high polymer water-absorbing resin 5 suction backs that are positioned at expander 2, with the fistula mouth shutoff on the dish bone 6 through the conduit in the expander 13; Simultaneously, the conduit 3 in the expander 2 is fitted automatically under the effect of medical high polymer water-absorbing resin 5 bulbs of pressure and is sealed (see figure 3).
Claims (2)
1. a basis cranii repairing body is characterized in that, the expander that is gill fungus handle shape (2) that this repairing body is processed by supporting mass that is the gill fungus umbrella (1) that adopts medical silica-gel to process and employing medical silica-gel connects into the mushroom fungus shape up and down; Wherein, Described expander (2) is hollow thin-wall construction, and the middle part of its bottom surface extends upward a conduit (3), and the upper end of this conduit (3) is connected with supporting mass (1); The bottom surface of the outer wall of lower end and expander (2) fuses, and makes that the space in the expander (2) is annular; Be filled with 1～5% the medical high polymer water-absorbing resin that is equivalent to said annular space volume in the annular space in the described expander (2), the wall of described conduit (3) is provided with the inlet opening (4) that is communicated with the interior annular space of expander (2).
2. a kind of basis cranii repairing body according to claim 1 is characterized in that, the bottom surface diameter of described expander (2) is greater than the diameter of itself and supporting mass (1) faying face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575236XA CN102028561B (en) | 2010-12-03 | 2010-12-03 | Basis cranii repairing body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010575236XA CN102028561B (en) | 2010-12-03 | 2010-12-03 | Basis cranii repairing body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102028561A CN102028561A (en) | 2011-04-27 |
| CN102028561B true CN102028561B (en) | 2012-08-15 |
Family
ID=43882385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010575236XA Expired - Fee Related CN102028561B (en) | 2010-12-03 | 2010-12-03 | Basis cranii repairing body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102028561B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491246B (en) * | 2016-11-30 | 2018-02-27 | 重庆博仕康科技有限公司 | For the basis cranii repair apparatus through butterfly Operation of Pituitary Adenomas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2636840Y (en) * | 2003-08-14 | 2004-09-01 | 四川国纳科技有限公司 | Bionic arc bone lamella |
| CN101627932A (en) * | 2008-07-14 | 2010-01-20 | 上海交通大学医学院附属第九人民医院 | Piston-shaped bone repairing support and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6350284B1 (en) * | 1998-09-14 | 2002-02-26 | Bionx Implants, Oy | Bioabsorbable, layered composite material for guided bone tissue regeneration |
-
2010
- 2010-12-03 CN CN201010575236XA patent/CN102028561B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2636840Y (en) * | 2003-08-14 | 2004-09-01 | 四川国纳科技有限公司 | Bionic arc bone lamella |
| CN101627932A (en) * | 2008-07-14 | 2010-01-20 | 上海交通大学医学院附属第九人民医院 | Piston-shaped bone repairing support and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102028561A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1917050B1 (en) | Hydrogel balloon prosthesis for nucleus pulposus | |
| US20110213400A1 (en) | Process for Generating Microwalled Encapsulation Balloons | |
| JP2003000623A (en) | Spinal fusionable implant | |
| CN101043909A (en) | Replacement or supplementation of a nucleus pulposus using a hydrogel | |
| CN101627933A (en) | Covered stent | |
| JPH02111359A (en) | Disc of prosthesis containing treatment substance | |
| CN101076302A (en) | Supplementation or replacement of a nucleus pulposus of an intervertebral disc | |
| JP2008531140A (en) | Intervertebral disk repair | |
| CN105120792B (en) | Squeeze planting body | |
| CN108135709A (en) | A kind of device for keeping intervertenral space | |
| CN105288744B (en) | A kind of neural unit beaded support and its preparation | |
| CN202161436U (en) | Metallic granular body for bone-grafting filling | |
| KR20170097022A (en) | Percutaneous implantable nuclear prosthesis | |
| CN106214241A (en) | A kind of integral type expandable balloon bag device | |
| CN102028561B (en) | Basis cranii repairing body | |
| CN204275255U (en) | Sacculus dilating catheter | |
| CN104306054B (en) | A kind of expansible vertebral plasty support | |
| CN101999951B (en) | Memory alloy artificial cervical intervertebral disc | |
| CN206120427U (en) | Integral type expansible sacculus bag bagging apparatus | |
| CN208974219U (en) | Dummy for eye socket lower inner wall repair of fractured bones | |
| CN113679514A (en) | Self-closing anchoring device for defective bone window and saddle bottom defect reconstruction method | |
| CN204181700U (en) | A kind of inner fixator in front of cervical vertebra | |
| CN105380735B (en) | Intervertebral fills fusing device | |
| CN209154115U (en) | 3D printing artificial vertebral body | |
| CN207356125U (en) | Intervertebral disc fusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141203 |
|
| EXPY | Termination of patent right or utility model |