CN112617959A - Skull slotting auxiliary tool - Google Patents
Skull slotting auxiliary tool Download PDFInfo
- Publication number
- CN112617959A CN112617959A CN202011373839.1A CN202011373839A CN112617959A CN 112617959 A CN112617959 A CN 112617959A CN 202011373839 A CN202011373839 A CN 202011373839A CN 112617959 A CN112617959 A CN 112617959A
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- Prior art keywords
- skull
- base
- cutting device
- groove
- cutting
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- 210000003625 skull Anatomy 0.000 title claims abstract description 60
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000007428 craniotomy Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1695—Trepans or craniotomes, i.e. specially adapted for drilling thin bones such as the skull
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a skull slotting auxiliary tool, which comprises a cutting device for cutting a skull to be slotted, a base for fixing on the skull to be slotted and a movable support fixed relative to the cutting device, wherein the base is provided with an annular guide part, the movable support is provided with a movable part, and the movable part is movably connected with the annular guide part so as to guide the cutting device to cut along a set cutting track. The skull slotting auxiliary tool disclosed by the invention can realize guiding of the cutting track of the cutting device by arranging the base and the moving mechanism, is simple to operate and high in consistency, and can reduce the skill requirement of an operator.
Description
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to a skull slotting auxiliary tool.
Background
The existing surgical tools for craniotomy are mostly manual drilling and manual cutting of grooves with non-precise shapes. The product can not be placed when the hole or the groove is too small, and other surgical tools are required to be used for external expansion; or the hole or the groove is too large, the product is placed into the groove to cause too large gap and even fall into the groove, and the sealing and even fixing of the product are affected. This requires a person who is slotting or perforating to have a certain technical ability.
Disclosure of Invention
The invention aims to provide a skull slotting auxiliary tool which is simple to operate and high in consistency and can reduce the skill requirement of operators.
To achieve the above object, the present invention provides the following technical solutions: the skull slotting auxiliary tool comprises a cutting device for cutting a skull to be slotted, a base for fixing the skull to be slotted and a movable support fixed relative to the cutting device, wherein the base is provided with an annular guide part, the movable support is provided with a movable part, and the movable part is movably connected to the annular guide part so as to guide the cutting device to cut along a set cutting track.
Further, the cutting device is arranged on the outer side of the base, and the outer side edge of the bottom of the base is overlapped with the set cutting track;
or the base is an annular base, the cutting device is arranged on the inner side of the annular base, and the edge of the inner hole of the annular base is overlapped with the set cutting track.
Further, the annular guide part and the moving part are mutually limited so as to limit the freedom degree of the movement of the moving part along the non-moving direction.
Further, annular guide part is for locating recess on the base, the recess is including the first direction passageway that is close to its tank bottom position and the second direction passageway that is close to its notch position, the transversal of first direction passageway is personally submitted circularly, the transversal rectangle of personally submitting of second direction passageway, the groove width direction size of first direction passageway is greater than the groove width direction size of second direction passageway, the removal portion is for locating the sliding part of removal support one end, sliding part include sliding connection in spheroid in the first direction passageway, sliding connection in straight rod portion and the sliding fit in the second direction passageway the flat plate portion on base surface.
Further, the annular guide part is provided with a missing part or a detachable part forming the missing part after being detached, so that the moving part is separated from the annular guide part from the missing part.
Furthermore, the annular guide part is a groove arranged on the base, the moving part is a sliding part, and at least one opening is arranged on the groove wall of the groove so that the sliding part can move into or out of the groove from the opening.
Further, the annular guide part is arranged at the top of the base, the moving part is arranged at the lower end of the moving support, and the upper end of the moving support is relatively fixed with the cutting device.
Further, the side surface of the base is also provided with a guide surface, and a blade knife face of the cutting device moves along the guide surface.
Further, the moving track of the blade face of the cutting device forms a conical surface, and the radial dimension of the upper end of the conical surface is larger than that of the lower end of the conical surface.
Further, the movable support comprises a first support section in a lower bow arm shape and a second support section in a straight shape, the movable portion is arranged at the lower end of the first support section, the second support section is connected to the upper end of the first support section and located at a bow and arrow position, and the cutting device and the second support section are relatively fixed and located at a bow and string position.
Furthermore, the cutting device is connected to the movable support along the depth direction of the blade in an adjustable position or the cutting device is connected to the movable support along the depth direction of the blade in a floating manner
Further, the base is of an integral structure or comprises a base and an upper cover which are arranged in a split mode, the bottom of the base is integrally attached to a skull to be slotted or the bottom of the base is partially attached to the skull to be slotted, the base is fixed to the skull to be slotted through bone nails or is attached to the skull to be slotted, and the cutting device is an ultrasonic osteotome or a milling cutter.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1) the skull slotting auxiliary tool disclosed by the invention can realize guiding of the cutting track of the cutting device by arranging the base and the moving mechanism, is simple to operate and high in consistency, and can reduce the skill requirement of an operator;
2) according to the skull slotting auxiliary tool disclosed by the invention, the cutting track can not deviate and the cutting position is more accurate by limiting the freedom degree of the movement of the moving part along the non-moving direction;
3) the skull slotting auxiliary tool disclosed by the invention can realize the quick disassembly and assembly of the moving part and the annular guide part by arranging the missing part or the detachable part;
4) according to the skull slotting auxiliary tool disclosed by the invention, the annular guide part is arranged at the top of the base, the moving part is arranged at the lower end of the moving support, the upper end of the moving support is relatively fixed with the cutting device, and the whole cutting device is more stable in structure;
5) according to the skull slotting auxiliary tool disclosed by the invention, the side surface of the base is also provided with the guide surface, the cutting device comprises the cutter body and the cutter blade which are arranged up and down, the movable support and the cutter body are relatively fixed, the cutter surface of the cutter blade moves along the guide surface, and the cutting device moves more stably;
6) the invention discloses a skull slotting auxiliary tool.A movable support comprises a first support section in a lower bow arm shape and a second support section in a straight shape, a movable part is arranged at the lower end of the first support section, the second support section is connected to the upper end of the first support section and is positioned at the arrow position, a cutting device and the second support section are relatively fixed and are positioned at the bow string position, and the whole cutting device is more stable in structure;
7) the invention discloses a skull slotting auxiliary tool.A cutting device comprises a cutter, wherein an annular track of the cutter surface of the cutter forms a conical cylinder, the radial dimension of the upper end of the conical cylinder is larger than that of the lower end of the conical cylinder, so that a pacemaker can be placed conveniently and cannot fall into a hole;
8) according to the skull slotting auxiliary tool disclosed by the invention, the cutting device is connected to the movable bracket in a lifting manner along the direction close to or far away from the skull to be slotted, so that different slotting depth requirements can be met;
9) according to the skull slotting auxiliary tool disclosed by the invention, the cutting device is connected to the movable support in a floating manner along the direction close to or far from the skull to be slotted, so that the tool meets the requirement of no strict control on the depth direction in the slotting process, such as the requirement of continuous and repeated operation of applying pressure to enable the knife to contact the skull for cutting and then lifting the knife away from the skull.
Drawings
FIG. 1 is a top view of a tool for facilitating the opening of a skull, in accordance with an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a tool for assisting in the craniotomy in accordance with one embodiment of the invention;
FIG. 3 is a schematic view of the connection between the cutting device and the movable support of the auxiliary tool for skull slotting of the embodiment of the invention;
FIG. 4 is a top view of a cranial grooving aid in accordance with a second embodiment of the present invention;
FIG. 5 is a front cross-sectional view of a cranial bone grooving aid in accordance with a second embodiment of the present invention;
FIG. 6 is a schematic view of the connection between the cutting device and the movable support of the cranium grooving auxiliary tool in the third embodiment of the present invention;
FIG. 7 is a schematic view of the connection between the cutting device and the movable support of the cranium grooving auxiliary tool according to the fourth embodiment of the present invention;
fig. 8 is a schematic view of the connection between the cutting device and the movable support of the cranium grooving auxiliary tool in the fifth embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.
Referring to fig. 1 to 3, as shown in the figures, a skull slotting tool comprises a cutting device 200 for cutting on a skull 100 to be slotted, a base 300 for fixing on the skull 100 to be slotted, and a movable support 400 fixed relative to the cutting device 200, wherein the base 300 is provided with a circular guide part 310, the movable support 400 is provided with a movable part 410, and the movable part 410 is movably connected to the circular guide part 310 to guide the cutting device 200 to cut along a set cutting track.
In a preferred embodiment of the present embodiment, the cutting device 200 is disposed outside the base 300, and the outer side of the bottom of the base 300 overlaps the set cutting track.
In a preferred embodiment of this embodiment, the annular guiding portion 310 is a groove formed on the base 300, the groove includes a first guiding channel 311 near the bottom of the groove and a second guiding channel 312 near the opening of the groove, the cross section of the first guiding channel 311 is circular, the cross section of the second guiding channel 312 is rectangular, the dimension of the first guiding channel 311 in the width direction is larger than the dimension of the second guiding channel 312 in the width direction, the moving portion 410 is a sliding member connected to one end of the movable bracket 400, and the sliding member includes a spherical body 411 slidably connected to the first guiding channel 311, a straight rod portion 412 slidably connected to the second guiding channel 312, and a flat plate portion 413 slidably attached to the surface of the base 300. The sliding part has a structure for limiting the degree of freedom, so that the operation of a user is reduced, the structure of the sliding part matched with the groove can be spherical and has a plurality of degrees of freedom, and the sliding part can also be a square sliding block, a connecting rod or other structures and the like, so that the local degree of freedom can be limited.
In the preferred embodiment of the present invention, the annular guiding portion 310 is a groove formed on the base 300, the moving portion 410 is a sliding member, and at least one opening 313 is formed on a wall of the groove to allow the sliding member to move into or out of the groove from the opening 313. The base has an opening for moving the sliding member with the cutting device in and out. The opening direction can enable a sliding component of the cutting device to enter and exit from the moving direction and can also enter and exit from the moving direction in the opposite direction.
In the preferred embodiment of the present invention, the ring-shaped guide part 310 is disposed on the top of the base 300, the moving part 410 is disposed on the lower end of the moving bracket 400, and the upper end of the moving bracket 400 is fixed relative to the cutting device 200.
In the preferred embodiment of the present invention, the side surface of the base 300 is further provided with a guide surface 320, and the blade 210 of the cutting device 200 moves along the guide surface 320.
In the preferred embodiment of the present invention, the base 300 includes a base 301 and an upper cover 302 that are separately provided. In other embodiments it may also be: the base is of an integrated structure.
In the preferred embodiment, the bottom of the base 300 fits entirely over the skull 100 to be grooved. The bottom of the base is a cambered surface which is matched with the radian of the skull, so that the operation is convenient. In other embodiments it may also be: is supported by several supporting points to be fixed on the skull.
In the preferred embodiment of this embodiment, the base 300 is affixed to the skull 1001 to be grooved. In other embodiments it may also be: the base may also be fixed to the skull by screws.
In the preferred embodiment of the present invention, the movable frame 400 includes a first frame section 420 having a lower arc shape and a second frame section 430 having a flat shape, the movable portion 410 is provided at a lower end of the first frame section 420, the second frame section 430 is connected to an upper end of the first frame section 420 and is located at the arrow position, and the cutting device 200 is fixed relative to the second frame section 430 and is located at the bowstring position.
In the preferred embodiment, the moving track of the blade 210 of the cutting device 200 forms a conical surface, and the radial dimension of the upper end of the conical surface is larger than that of the lower end of the conical surface. The pacemaker is convenient to place and cannot fall into the hole. In other embodiments it may also be: the moving track of the blade face of the cutting device forms a cylindrical surface.
In a preferred embodiment of this embodiment, the cutting device 200 is an ultrasonic osteotome or milling cutter.
In the preferred embodiment of the present invention, the cutting device 200 and the movable support 400 can move relatively along the axial direction by a precise distance, the cutting device 200 is provided with the first positioning post 220, the first positioning post 220 is provided with an external thread structure, the movable support 400 is provided with the first positioning hole, the first positioning hole is provided with an internal thread structure, and the external thread structure is in threaded connection with the internal thread structure so that the cutting device 200 can be connected to the movable support 400 in a position adjustable in the depth direction of the cutting blade of the cutting device. The cutting device body is provided with scales, the feeding depth can be adjusted according to the number of rotation turns of the thread, and the requirement of multiple feeding depths or the requirement of high-precision arbitrary feeding depths is met.
The working process of the present embodiment is described below, which includes the following steps:
1) fixing a base on a skull to be slotted, and assembling a moving part of a moving support with an annular guide part of the base;
2) adjusting the depth of the cutting device;
3) pushing the cutting device to cut along a set cutting track;
4) after slotting, the movable support is taken down from the base, and the base is taken down from the skull to be slotted.
Example two
Referring to fig. 4 to 5, as shown in the drawings, the rest of the embodiment is the same as the first embodiment except that the base 300 is a ring-shaped base, the cutting device 200 is disposed inside the ring-shaped base, and the inner hole edge of the ring-shaped base overlaps the set cutting track.
EXAMPLE III
Referring to fig. 6, as shown in the figure, the rest of the embodiments are the same as the first embodiment, except that the cutting device 200 and the movable support 400 move relatively in an axial direction with a fixed distance, the cutting device 200 is provided with a second positioning column 230, the movable support 400 is provided with a second positioning hole, the second positioning column 230 is inserted into the second positioning hole, in this embodiment, the second positioning column 230 is provided with multiple circles of slots sequentially arranged along the axial direction, the second positioning hole is provided with a buckle (plastic barb buckle), in other embodiments, the second positioning column and the second positioning hole are provided with pin holes, and the number of the pin holes of one of the two positioning columns is multiple and sequentially arranged along the axial direction. The requirement of quantitative feeding can be realized by designing grooves or clamping positions with different depth gears at the required interface of the operation.
Example four
Referring to fig. 7, as shown in the figure, the rest of the embodiments are the same as the first embodiment, except that the cutting device 200 and the movable support 400 are fixed together in an axially immovable manner, the cutting device 200 is provided with a third positioning column 240, the outer wall of the third positioning column 240 is provided with a threaded hole, the movable support 400 is provided with a third positioning hole, the side wall of the third positioning hole is provided with a through hole, and the third positioning column and the third positioning hole are fixedly connected through a screw 510 penetrating through the threaded hole and the through hole. After the required depth is adjusted, the cutting device is tightly connected with the cutting device, and the cutting device is suitable for the requirement of one-time grooving.
EXAMPLE five
Referring to fig. 8, as shown in the figure, the rest is the same as the first embodiment, except that in the cutting device 200 and the movable bracket 400, the cutting device 200 is provided with a limit guide post 250, the movable bracket 400 is provided with a limit guide hole, the limit guide post 250 and the limit guide hole limit each other to limit the two from separating from each other along the axial direction, and the limit guide post 250 and the limit guide hole are connected in a sliding manner and provided with a spring 520 therebetween. The method is suitable for the requirement that the depth direction is not strictly controlled in the slotting process, such as the requirement of continuous and repeated operation that the knife is contacted with the skull for cutting and then the knife is lifted away from the skull by applying pressure.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. The skull slotting auxiliary tool comprises a cutting device for cutting a skull to be slotted, and is characterized by further comprising a base and a movable support, wherein the base is used for being fixed on the skull to be slotted, the movable support is relatively fixed with the cutting device, the base is provided with an annular guide portion, the movable support is provided with a movable portion, and the movable portion is movably connected to the annular guide portion to guide the cutting device to cut along a set cutting track.
2. A skull grooving aid as claimed in claim 1 wherein the cutting means is located on the outside of the base and the outside edge of the base bottom overlaps the set cutting path;
or the base is an annular base, the cutting device is arranged on the inner side of the annular base, and the edge of the inner hole of the annular base is overlapped with the set cutting track.
3. A skull grooving aid as claimed in claim 1 wherein the annular guide portion and the moving portion are mutually constrained to limit the freedom of movement of the moving portion in a non-moving direction.
4. The skull grooving auxiliary tool of claim 3, wherein the annular guide portion is a groove formed in the base, the groove comprises a first guide channel at a position close to a groove bottom of the groove and a second guide channel at a position close to a groove opening of the groove, the cross section of the first guide channel is circular, the cross section of the second guide channel is rectangular, the width dimension of the first guide channel is larger than that of the second guide channel, the moving portion is a sliding member arranged at one end of the moving bracket, and the sliding member comprises a spherical body slidably connected in the first guide channel, a straight rod portion slidably connected in the second guide channel and a flat plate portion slidably attached to the surface of the base.
5. A skull grooving aid as claimed in claim 3 wherein the annular guide is provided with a missing portion or a detachable portion which forms a missing portion when detached to enable the moving portion to disengage from the annular guide from the missing portion.
6. A skull grooving aid as claimed in claim 5 wherein the annular guide is a groove in the base and the displacement portion is a sliding member, the groove having at least one opening in a wall of the groove to allow the sliding member to move into or out of the groove from the opening.
7. A skull grooving aid as claimed in claim 1 wherein the annular guide portion is provided on the top of the base, the moving portion is provided on the lower end of the moving support, and the upper end of the moving support is fixed relative to the cutting means.
8. A skull grooving aid according to claim 7 wherein the base side is further provided with a guide surface along which the blade face of the cutting means moves.
9. A skull grooving aid as claimed in claim 1 wherein the path of movement of the blade face of the cutting means forms a conical surface having an upper radial dimension greater than a lower radial dimension of the conical surface.
10. A skull grooving aid as claimed in claim 1 wherein the movable carriage comprises a first carriage section in the form of a lower arcuate arm and a second carriage section in the form of a straight arm, the movable portion being located at a lower end of the first carriage section, the second carriage section being attached to an upper end of the first carriage section and being in the bowed position, the cutting device being fixed relative to the second carriage section and being in the bowed position.
11. A skull grooving auxiliary tool as claimed in claim 1 wherein the cutting means is attached to the mobile carriage at a position adjustable along its blade depth direction or the cutting means is attached to the mobile carriage floatable along its blade depth direction.
12. The skull slotting tool as claimed in claim 1, wherein the base is an integral structure or comprises a base and an upper cover which are separately arranged, the bottom of the base is integrally attached to the skull to be slotted or partially attached to the skull to be slotted, the base is fixed on the skull to be slotted through bone nails or is adhered to the skull to be slotted, and the cutting device is an ultrasonic osteotome or a milling cutter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373839.1A CN112617959A (en) | 2020-11-30 | 2020-11-30 | Skull slotting auxiliary tool |
| PCT/CN2020/135355 WO2022110315A1 (en) | 2020-11-30 | 2020-12-10 | Cranium grooving assisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373839.1A CN112617959A (en) | 2020-11-30 | 2020-11-30 | Skull slotting auxiliary tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112617959A true CN112617959A (en) | 2021-04-09 |
Family
ID=75306837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011373839.1A Pending CN112617959A (en) | 2020-11-30 | 2020-11-30 | Skull slotting auxiliary tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112617959A (en) |
| WO (1) | WO2022110315A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029918A1 (en) * | 2021-09-03 | 2023-03-09 | 苏州景昱医疗器械有限公司 | Skull slotting tool |
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| CN2425624Y (en) * | 2000-06-03 | 2001-04-04 | 吴维才 | Novel skull traction bow with synchronous tube |
| CN201905987U (en) * | 2010-12-27 | 2011-07-27 | 王绪堂 | Skull restoration device |
| CN103622724A (en) * | 2013-10-31 | 2014-03-12 | 宁波大学 | Craniotomy device for anatomy |
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| CN108814658A (en) * | 2018-06-27 | 2018-11-16 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | One kind opening cranium device and opens cranium method |
| CN209359194U (en) * | 2018-12-21 | 2019-09-10 | 海南天然橡胶产业集团股份有限公司 | A kind of rubber cutting machine with resetting apparatus |
| CN111529287A (en) * | 2020-05-08 | 2020-08-14 | 柴永朋 | Positioning bed for bone surgery treatment |
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| US8764760B2 (en) * | 2011-07-01 | 2014-07-01 | Biomet Manufacturing, Llc | Patient-specific bone-cutting guidance instruments and methods |
| CN202982130U (en) * | 2012-06-24 | 2013-06-12 | 孟凡刚 | Bone groove forming spacing device |
| US9173665B2 (en) * | 2013-09-06 | 2015-11-03 | Zimmer, Inc. | Patient-specific surgical guide for intra-operative production of patient-specific augment |
| CN109223095B (en) * | 2018-11-16 | 2020-10-16 | 山东大学齐鲁医院(青岛) | Positioning and punching device for orthopedic surgery |
| CN111887958B (en) * | 2020-08-26 | 2021-11-26 | 杭州市第一人民医院 | Adjustable cerebral hemorrhage minimally invasive surgery positioning device |
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2020
- 2020-11-30 CN CN202011373839.1A patent/CN112617959A/en active Pending
- 2020-12-10 WO PCT/CN2020/135355 patent/WO2022110315A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425624Y (en) * | 2000-06-03 | 2001-04-04 | 吴维才 | Novel skull traction bow with synchronous tube |
| CN201905987U (en) * | 2010-12-27 | 2011-07-27 | 王绪堂 | Skull restoration device |
| US20160354117A1 (en) * | 2011-05-10 | 2016-12-08 | Peter Nakaji | Cranial plating and bur hole cover system and methods of use |
| CN103622724A (en) * | 2013-10-31 | 2014-03-12 | 宁波大学 | Craniotomy device for anatomy |
| CN108814658A (en) * | 2018-06-27 | 2018-11-16 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | One kind opening cranium device and opens cranium method |
| CN209359194U (en) * | 2018-12-21 | 2019-09-10 | 海南天然橡胶产业集团股份有限公司 | A kind of rubber cutting machine with resetting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023029918A1 (en) * | 2021-09-03 | 2023-03-09 | 苏州景昱医疗器械有限公司 | Skull slotting tool |
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| Publication number | Publication date |
|---|---|
| WO2022110315A1 (en) | 2022-06-02 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 215000 building C16, bio nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Applicant after: Jingyu Medical Technology (Suzhou) Co.,Ltd. Address before: 215000 building C16, bio nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province Applicant before: SCENERAY Co.,Ltd. |
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| CB02 | Change of applicant information |