CN111297514B - Intracranial tectorial membrane support structure for neurosurgery - Google Patents
Intracranial tectorial membrane support structure for neurosurgery Download PDFInfo
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- CN111297514B CN111297514B CN202010196091.6A CN202010196091A CN111297514B CN 111297514 B CN111297514 B CN 111297514B CN 202010196091 A CN202010196091 A CN 202010196091A CN 111297514 B CN111297514 B CN 111297514B
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 13
- 210000002489 tectorial membrane Anatomy 0.000 title claims abstract description 12
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000000653 nervous system Anatomy 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000027089 Parkinsonian disease Diseases 0.000 description 1
- 206010034010 Parkinsonism Diseases 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000002418 meninge Anatomy 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000004296 neuralgia Diseases 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a technical field of an intracranial tectorial membrane bracket, in particular to an intracranial tectorial membrane bracket structure for neurosurgery, which comprises a first positioning cover, a second positioning cover and a unit support telescopic net, wherein the first positioning cover and the second positioning cover are respectively and fixedly connected with two ends of the unit support telescopic net, the unit support telescopic net is uniformly distributed between the first positioning cover and the second positioning cover, the right side of the second positioning cover is provided with a movable supporting seat, the second positioning cover is movably connected with the movable supporting seat, a rotating rod is inserted into the second positioning cover and the movable supporting seat, one end of the rotating rod extends into the first positioning cover and is fixedly connected with the first positioning cover, and the bracket can be opened by approaching between the first positioning cover and the second positioning cover through the cooperation between the first positioning cover, the second positioning cover and the unit support telescopic net, and the bracket can be contracted after being far away from the bracket; the support is regulated and controlled to be opened or contracted in a rotating threaded fit mode, and regulation and control are convenient and accurate.
Description
Technical Field
The invention relates to the technical field of intracranial tectorial membrane stents, in particular to an intracranial tectorial membrane stent structure for neurosurgery.
Background
Neurosurgery is a branch in surgery, and is based on surgery as a main treatment means, a unique neurosurgery research method is applied to research human nervous systems, such as brain, spinal cord and peripheral nervous systems, and related auxiliary organs, such as injury, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunction diseases of structures of skull, scalp, cerebral vascular meninges and the like, such as: etiology and pathogenesis of epilepsy, parkinsonism, neuralgia and the like, and explore a new high-grade, fine and sharp subject of diagnosis, treatment and prevention technology.
Neurosurgery is mainly used for treating diseases of brain, spinal cord and other nervous systems caused by trauma, such as life-threatening bleeding amount of cerebral hemorrhage, brain trauma caused by car accidents, or brain tumor compression requiring operation treatment and the like.
At present, the minimally invasive interventional therapy technology is widely utilized, and a set of delivery system with a smaller pipe diameter is used for delivering the compressed covered stent to the lesion position and then accurately releasing the compressed covered stent.
The existing tectorial membrane bracket is not easy to open, adhesion is easy to occur, breakage is easy to occur after adhesion between the brackets, and further damage is caused to a human body.
Disclosure of Invention
The invention aims to provide an intracranial tectorial membrane bracket structure for neurosurgery, which solves the problems that the existing tectorial membrane bracket provided in the background art is not easy to open, adhesion is easy to occur, and after adhesion, the bracket is easy to break, so that further damage is caused to a human body.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an intracranial tectorial membrane support structure for neurosurgery, includes first locating cover, second locating cover and unit support telescopic network, first locating cover, second locating cover are fixed connection respectively at the both ends of unit support telescopic network, unit support telescopic network evenly distributed is between first locating cover, second locating cover, the right side of second locating cover is provided with movable supporting seat, second locating cover and movable supporting seat swing joint, the inside grafting of second locating cover and movable supporting seat has the bull stick, the one end of bull stick extends to in the first locating cover and with first locating cover fixed connection.
Preferably, the first positioning cover comprises a first cover body, a first accommodating groove is formed in the edge of a side wall of the first cover body, which faces the unit supporting telescopic net, the first accommodating groove is connected with the unit supporting telescopic net, and a connecting seat is arranged on the inner wall of the first cover body and fixedly connected with the rotating rod through a screw.
Preferably, the second positioning cover comprises a second cover body, the second cover body is hollow, a second accommodating groove is formed in the edge of a side wall of the second cover body, which faces the unit support telescopic net, the second accommodating groove is connected with the unit support telescopic net, one end, far away from the unit support telescopic net, of the second cover body is connected with a hollow outer screw sleeve, the movable support seat comprises a hollow seat body, an inner screw ring matched with the hollow outer screw sleeve is arranged at one end, close to the second cover body, of the hollow seat body, and the inner screw ring is screwed on the outer wall of the hollow outer screw sleeve.
Preferably, a limiting check ring is fixedly sleeved on one end, far away from the second cover body, of the outer wall of the hollow outer screw sleeve.
Preferably, the unit support telescopic net comprises arc-shaped supporting bars which are arranged in an up-down symmetrical mode, the upper ends and the lower ends of the arc-shaped supporting bars are fixedly connected, unit expansion rings are formed between the upper ends and the lower ends of the arc-shaped supporting bars, the unit expansion rings are sequentially connected end to form a support net strip, two ends of the support net strip are connected with plug connectors, and the plug connectors at the two ends are respectively connected with a first positioning cover and a second positioning cover.
Preferably, a supporting block is arranged on the inner wall of the unit expansion ring and positioned on one of the arc-shaped supporting bars.
Preferably, the unit support telescopic net is a titanium alloy unit support telescopic net.
Compared with the prior art, the invention has the beneficial effects that:
1) The first positioning cover and the second positioning cover are close to each other to open the bracket and far away from the bracket to retract through the matching action between the first positioning cover and the second positioning cover and the unit supporting telescopic net;
2) The support is regulated and controlled to be opened or contracted in a rotating threaded fit mode, and regulation and control are convenient and accurate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a first positioning cover according to the present invention;
FIG. 3 is a schematic view of a connection structure between a second positioning cover and a movable supporting seat according to the present invention;
fig. 4 is a schematic structural view of the unit supporting telescopic net of the present invention.
In the figure: the novel plastic box comprises a first positioning cover 1, a first cover body 11, a first accommodating groove 12, a connecting seat 13, a second positioning cover 2, a second cover body 21, a second accommodating groove 22, a hollow outer screw sleeve 23, a limiting retainer ring 24, a 3-unit supporting telescopic net 31, an arc-shaped supporting bar, a 32 plug-in connector, a 33 supporting block, a 4-activity supporting seat, a 41-hollow seat body, a 42-inner screw ring and a 5-rotating rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
referring to fig. 1-4, the present invention provides a technical solution: the intracranial tectorial membrane support structure for neurosurgery comprises a first positioning cover 1, a second positioning cover 2 and a unit support telescopic net 3, wherein the first positioning cover 1 and the second positioning cover 2 are respectively and fixedly connected to two ends of the unit support telescopic net 3, and the unit support telescopic net 3 is uniformly distributed between the first positioning cover 1 and the second positioning cover 2;
the distance between the first positioning cover 1 and the second positioning cover 2 of the unit support telescopic net 3 can be adjusted, the first positioning cover 1 and the second positioning cover 2 compress or stretch the unit support telescopic net 3, and when in compression, the unit support telescopic net 3 is compressed and stretched, so that the unit support telescopic net 3 is unfolded, and the integral height and the radial length of the structure formed by the first positioning cover 1, the second positioning cover 2 and the unit support telescopic net 3 are enlarged. When stretched, the unit support telescoping net 3 is contracted, thereby reducing the overall height and radial length of the structure formed by the first positioning cover 1, the second positioning cover 2 and the unit support telescoping net 3.
The right side of second locating cover 2 is provided with movable supporting seat 4, and second locating cover 2 and movable supporting seat 4 swing joint have bull stick 5 with the inside grafting of movable supporting seat 4 to second locating cover 2, and the one end of bull stick 5 extends to in the first locating cover 1 and with first locating cover 1 fixed connection.
The rotating rod 5 can drive the first positioning cover 1, the second positioning cover 2 and the unit support telescopic net 3 to rotate relative to the movable supporting seat 4.
Further, the first positioning cover 1 comprises a first cover body 11, a first accommodating groove 12 is formed in the edge of a side wall of the first cover body 11, which faces the unit supporting telescopic net 3, the first accommodating groove 12 is connected with the unit supporting telescopic net 3, a connecting seat 13 is arranged on the inner wall of the first cover body 11, and the connecting seat 13 is fixedly connected with the rotating rod 5 through a screw.
The unit support telescopic net 3 is fixedly connected to the first cover body 11 through the first accommodating groove 12, so that the effect of fixed connection is realized, and the unit support telescopic net 3 is fixed with the first positioning cover 1 through the connection effect of the connecting seat 13;
further, the second positioning cover 2 comprises a second cover body 21, the second cover body 21 is hollow, a second accommodating groove 22 is formed in the edge of a side wall of the second cover body 21, which faces the unit supporting telescopic net 3, the second accommodating groove 22 is connected with the unit supporting telescopic net 3, one end, far away from the unit supporting telescopic net 3, of the second cover body 21 is connected with a hollow outer screw sleeve 23, the movable supporting seat 4 comprises a hollow seat body 41, one end, close to the second cover body 21, of the hollow seat body 41 is provided with an inner screw ring 42 matched with the hollow outer screw sleeve 23, and the inner screw ring 42 is screwed on the outer wall of the hollow outer screw sleeve 23.
The bull stick 5 can drive the relative movable supporting seat 4 rotation of first locating cover 1, second locating cover 2 and unit support flexible net 3, and the relative rotation between second locating cover 2 through cavity outer swivel nut 23 and the interior helicoid 42 makes the relative movement in position between second locating cover 2 and the movable supporting seat 4 to realize carrying out the regulation effect to the position between first locating cover 1, the second locating cover 2, conveniently regulate and control the compression and the stretching of unit support flexible net 3.
Further, a limit retainer ring 24 is fixedly sleeved on the outer wall of the hollow outer screw sleeve 23 at one end far away from the second cover body 21.
The hollow outer screw sleeve 23 cannot be separated from the inner screw ring 42 through the arrangement of the limiting retainer ring 24;
further, the unit support telescopic net 3 comprises arc support bars 31 which are arranged in an up-down symmetrical mode, two ends of the upper arc support bars 31 are fixedly connected, unit expansion rings are formed between the upper arc support bars 31 and the lower arc support bars 31, the unit expansion rings are sequentially connected end to form a support net strip, two ends of the support net strip are connected with plug connectors 32, and the plug connectors 32 at two ends are respectively connected with the first positioning cover 1 and the second positioning cover 2.
The arc supporting strips 31 are in a half elliptic shape, the upper arc supporting strip 31 and the lower arc supporting strip 31 form an elliptic shape (as shown in fig. 4), and the arc supporting strips are pressed between the first positioning cover 1 and the second positioning cover 2, so that the upper arc supporting strip 31 and the lower arc supporting strip 31 are pressed close to each other, the arc supporting strips 31 are expanded, the unit supporting telescopic net 3 is expanded integrally, the contact range of the unit supporting telescopic net 3 is enlarged, and the unit supporting telescopic net can be contacted with the inner wall of a blood vessel after being enlarged in operation, and the fixing effect is realized;
further, a support block 33 is provided on the inner wall of the unit expansion ring and on one of the arc-shaped support bars 31.
The two arc-shaped supporting bars 31 cannot be directly closed by the arrangement of the supporting blocks 33, so that the next compression and expansion are convenient;
further, the unit support expansion net 3 is a titanium alloy unit support expansion net.
The titanium alloy unit supports the toughness of flexible net better, and the rejection of human body is not strong, and is less to the injury of human body to reduce patient's misery, the surface is polished smoothly, avoids appearing the burr.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an intracranial tectorial membrane support structure for neurosurgery, includes first location lid (1), second location lid (2) and unit support flexible net (3), its characterized in that: the device comprises a first positioning cover (1) and a second positioning cover (2), wherein the first positioning cover (1) and the second positioning cover (2) are respectively and fixedly connected to two ends of a unit supporting telescopic net (3), the unit supporting telescopic net (3) is uniformly distributed between the first positioning cover (1) and the second positioning cover (2), a movable supporting seat (4) is arranged on the right side of the second positioning cover (2), the second positioning cover (2) is movably connected with the movable supporting seat (4), a rotating rod (5) is inserted into the second positioning cover (2) and the movable supporting seat (4), and one end of the rotating rod (5) extends into the first positioning cover (1) and is fixedly connected with the first positioning cover (1); the first positioning cover (1) comprises a first cover body (11), a first accommodating groove (12) is formed in the edge of one side wall of the first cover body (11) facing the unit supporting telescopic net (3), the first accommodating groove (12) is connected with the unit supporting telescopic net (3), a connecting seat (13) is arranged on the inner wall of the first cover body (11), and the connecting seat (13) is fixedly connected with the rotating rod (5) through a screw; the second positioning cover (2) comprises a second cover body (21), the second cover body (21) is hollow, a second accommodating groove (22) is formed in the edge of one side wall of the second cover body (21) facing the unit supporting telescopic net (3), the second accommodating groove (22) is connected with the unit supporting telescopic net (3), one end, far away from the unit supporting telescopic net (3), of the second cover body (21) is connected with a hollow outer screw sleeve (23), the movable supporting seat (4) comprises a hollow seat body (41), an inner screw ring (42) matched with the hollow outer screw sleeve (23) is arranged at one end, close to the second cover body (21), of the hollow seat body (41), and the inner screw ring (42) is screwed on the outer wall of the hollow outer screw sleeve (23); the unit support telescopic net (3) comprises arc support bars (31) which are arranged in an up-down symmetrical mode, the upper arc support bars (31) are fixedly connected with the lower arc support bars, unit expansion rings are formed between the arc support bars (31), support net bars are formed by sequentially connecting the unit expansion rings in an end-to-end mode, plug connectors (32) are connected to the two ends of the support net bars, and the plug connectors (32) at the two ends are connected with a first positioning cover (1) and a second positioning cover (2) respectively.
2. An intracranial stent structure as recited in claim 1, wherein: and a limiting retainer ring (24) is fixedly sleeved at one end, far away from the second cover body (21), on the outer wall of the hollow outer screw sleeve (23).
3. An intracranial stent structure as recited in claim 1, wherein: the inner wall of the unit expansion ring and positioned on one of the arc-shaped supporting bars (31) is provided with a supporting block (33).
4. An intracranial stent structure as recited in claim 1, wherein: the unit support telescopic net (3) is a titanium alloy unit support telescopic net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196091.6A CN111297514B (en) | 2020-03-19 | 2020-03-19 | Intracranial tectorial membrane support structure for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196091.6A CN111297514B (en) | 2020-03-19 | 2020-03-19 | Intracranial tectorial membrane support structure for neurosurgery |
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| Publication Number | Publication Date |
|---|---|
| CN111297514A CN111297514A (en) | 2020-06-19 |
| CN111297514B true CN111297514B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010196091.6A Active CN111297514B (en) | 2020-03-19 | 2020-03-19 | Intracranial tectorial membrane support structure for neurosurgery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0866479A (en) * | 1994-08-31 | 1996-03-12 | Fuji Syst Kk | Cover for metal stent |
| EP1138279A2 (en) * | 2000-03-23 | 2001-10-04 | Antonio Mirko Cioffi | Improved stent for dilatation of blood vessels |
| CN107951594A (en) * | 2017-12-16 | 2018-04-24 | 北京久事神康医疗科技有限公司 | A kind of encephalic overlay film frame |
| CN109498212A (en) * | 2018-12-04 | 2019-03-22 | 无锡市人民医院 | A kind of overlay film frame dilator |
| CN208741208U (en) * | 2017-12-14 | 2019-04-16 | 顾更诗 | A kind of neurosurgery encephalic overlay film frame system |
| CN209827115U (en) * | 2019-02-18 | 2019-12-24 | 周光莉 | Improvement type tectorial membrane support struts ware |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8043357B2 (en) * | 2003-10-10 | 2011-10-25 | Cook Medical Technologies Llc | Ring stent |
-
2020
- 2020-03-19 CN CN202010196091.6A patent/CN111297514B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0866479A (en) * | 1994-08-31 | 1996-03-12 | Fuji Syst Kk | Cover for metal stent |
| EP1138279A2 (en) * | 2000-03-23 | 2001-10-04 | Antonio Mirko Cioffi | Improved stent for dilatation of blood vessels |
| CN208741208U (en) * | 2017-12-14 | 2019-04-16 | 顾更诗 | A kind of neurosurgery encephalic overlay film frame system |
| CN107951594A (en) * | 2017-12-16 | 2018-04-24 | 北京久事神康医疗科技有限公司 | A kind of encephalic overlay film frame |
| CN109498212A (en) * | 2018-12-04 | 2019-03-22 | 无锡市人民医院 | A kind of overlay film frame dilator |
| CN209827115U (en) * | 2019-02-18 | 2019-12-24 | 周光莉 | Improvement type tectorial membrane support struts ware |
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| Publication number | Publication date |
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| CN111297514A (en) | 2020-06-19 |
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Denomination of invention: A intracranial covered stent structure for neurosurgery Granted publication date: 20230602 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd. Pledgor: NANJING PUWEISEN MEDICAL TECHNOLOGY CO.,LTD. Registration number: Y2024980017465 |