CN114191062A - Novel skull lock for surgical operation - Google Patents
Novel skull lock for surgical operation Download PDFInfo
- Publication number
- CN114191062A CN114191062A CN202111454787.5A CN202111454787A CN114191062A CN 114191062 A CN114191062 A CN 114191062A CN 202111454787 A CN202111454787 A CN 202111454787A CN 114191062 A CN114191062 A CN 114191062A
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- Prior art keywords
- rack
- hole
- lock
- locking plate
- handle
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- 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.)
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- 210000003625 skull Anatomy 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 238000001356 surgical procedure Methods 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 210000004761 scalp Anatomy 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 10
- 241000446313 Lamella Species 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 210000005013 brain tissue Anatomy 0.000 description 2
- 238000007917 intracranial administration Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002463 poly(p-dioxanone) polymer Polymers 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007428 craniotomy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/688—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for reattaching pieces of the skull
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
- Engineering & Computer Science (AREA)
- Neurosurgery (AREA)
- Heart & Thoracic 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 application discloses a novel skull lock for surgical operation, which is used for reducing the injury to scalp tissues of a patient after the operation. The method comprises the following steps: the lock comprises an upper lock plate, a lower lock plate, a handle and a rack; the lower lock piece is locked and fixed at one end of the rack, the upper lock piece is provided with a through hole, a rack locking device is arranged in the through hole and used for locking the upper lock piece on the rack when the rack penetrates through the through hole to reach a preset position, and the handle is arranged at the other end of the rack and used for pushing the upper lock piece to reach the preset position.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a novel skull lock for surgical operation.
Background
Craniotomy free flap molding is a common basic procedure in neurosurgery and is a necessary step to access intracranial procedures. Except for the high pressure in part of the cranium, which needs to be subjected to bone flap removal and pressure reduction, in most cases, after the intracranial operation is completed, the free bone flap needs to be reset and fixed so as to reconstruct the integrity of the cranium to the maximum extent and protect the brain tissue, and when the free bone flap is reset, the free bone flap needs to be fixed on the peripheral cranium by means of an instrument so as to avoid the displacement of the bone flap or the pulsation along with the brain tissue.
The traditional skull lock adopts a mode that an upper lock piece and a lower lock piece are matched with a threaded connecting rod for locking.
However, when the threaded connecting rod is rotated in such a way, the upper or lower flap can rotate along with the threaded connecting rod, and the injury to human tissues is easily caused. Part skull lock adopts unilateral rack formula fixed locking, and self-locking strength is not high, in case take place the skull not hard up, and it is very big to the patient injury.
Disclosure of Invention
In order to solve the technical problem, the application provides a novel skull lock for surgical operation, which is used for reducing the injury to scalp tissues of a patient after the operation.
The application provides a novel skull lock for surgery, include: the lock comprises an upper lock plate, a lower lock plate, a handle and a rack;
the lower lock piece is locked and fixed at one end of the rack, the upper lock piece is provided with a through hole, a rack locking device is arranged in the through hole and used for locking the upper lock piece on the rack when the rack penetrates through the through hole to reach a preset position, and the handle is arranged at the other end of the rack and used for pushing the upper lock piece to reach the preset position.
Optionally, the novel skull lock for surgery further comprises a sealing cover, the sealing cover is arranged at the joint of the rack and the upper locking plate, and the sealing cover is in interference fit with the through hole of the upper locking plate, so that the sealing cover can be tightly buckled in the through hole.
Optionally, the inner diameter of the cover is matched with the diameter of the through hole of the upper locking plate, and when the rack passes through the through hole but does not protrude out of the through hole, the cover is buckled in the through hole.
Optionally, the lower locking plate is circular and is tilted all around, and U-shaped grooves are uniformly distributed in the edge of the lower locking plate.
Optionally, a plurality of rack locking devices are arranged in the through hole of the upper locking plate, and are used for being meshed with the rack to fix the upper locking plate on the rack.
Optionally, the rack is cylindrical, and a polished rod is arranged at one quarter of the upper end of the rack, so that the upper locking piece can conveniently penetrate through the rack.
Optionally, the handle is a T-shaped handle.
Optionally, the T-shaped handle and the rack connecting part are made of soft materials, so that the locking plate can be conveniently installed.
Optionally, the handle portion of the T-shaped handle is medical plastic.
Optionally, the medical plastic is an ABS material.
According to the technical scheme, the embodiment of the application has the following advantages:
the lower locking plate is locked and fixed at one end of the rack, the upper locking plate is pushed by the handle to move to a proper position and be fixed, damage to a body due to the fact that the upper locking plate is used for spinning skull bone flaps when screw locking is adopted is avoided, and the device is simple in structure and convenient to install.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a cross-sectional view of the novel surgical skull lock in the embodiment of the present application;
FIG. 2 is a cross-sectional view of the novel surgical skull lock closure in an embodiment of the present application;
FIG. 3 is an enlarged view of the novel surgical skull lock through-hole inner rack locking structure in the embodiment of the application;
FIG. 4 is a distribution diagram of the novel surgical skull lock through-hole inner rack locking device in the embodiment of the application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The embodiment of the application provides a novel skull lock for surgical operation, which is used for reducing the injury to scalp tissues of a patient after the operation.
Novel skull lock for surgery in this application generally is used for opening fixed of cranium postoperative bone lamella, the operation of opening the cranium all takes off the bone piece earlier, put back the original place with the bone piece after having done the operation again, need lock the bone piece when putting back, consequently when reseing free bone lamella or other materials that are used for replacing skull bone lamella, need lay a plurality of novel skull lock for surgery around the skull incision equidistance, and ensure that the lower lock piece of skull lock is laid between dura mater and skull, the rack remains perpendicularly with the skull incision, help the user to recover as early as possible.
The skull lock may also be absorbable or non-absorbable, the main material of non-absorbable being metal, typically titanium alloy, lifelong, typically for adults; the absorbable material is polylactic acid or polyacrylic acid material, is decomposed and absorbed in 1-2 years after being implanted into a human body, is mainly used for children, can be selected according to specific requirements, and is not limited specifically here. Before use, the novel skull lock for surgical operation is assembled into a whole in the packaging box which needs to be taken out by an aseptic method, and the checking device is intact.
Referring to fig. 1, one embodiment of the novel surgical skull lock of the present application comprises:
the lock comprises an upper lock plate 4, a lower lock plate 5, a handle 1 and a rack 2;
In this embodiment, the thickness of the upper lock plate 4 and the lower lock plate 5 is generally between 0.8 mm and 1.5mm, when the upper lock plate 4 and the lower lock plate 5 are designed as circular lock plates, the diameter can be set between 5mm and 15mm, and the diameter of the rack 2 can be 0.3 mm to 1.0mm and does not exceed the diameter of the through hole of the upper lock plate. Go up locking plate 4, rack 2 and lower locking plate 5 all can adopt the PPDO material to make, and PPDO can finally decompose into carbon dioxide and water completely in the human body, and no chemistry remains, and clinical application is nontoxic harmless, and the better recovery of help patient does not also need the patient to do the second metal and takes out the operation, has reduced patient's expense and misery, has also alleviateed the burden of hospital. Alternatively, a PDO material may be used, which has excellent hydrophilicity and flexibility to improve the compatibility of the device with skin and tissue, and the specific material is not limited herein.
In this embodiment, the upper locking piece 4 and the lower locking piece 5 can be both circular, and can be designed into the shape of tilting all around, evenly distributed U-shaped groove at the edge to increase the friction with the skull, further provide stable local structure. Alternatively, the skull lock can be designed into other shapes, for example, the skull lock can be a conical convex part, and can also be a structure with various uneven concave parts, so that the skull flap fixing effect is ensured, and meanwhile, the contact area of the skull lock and the skull is reduced. Alternatively, the shapes of the upper locking piece 4 and the lower locking piece 5 may be modified to be asymmetric, such as a rectangle, a square or a circle, which is not limited herein.
Optionally, in this embodiment, the handle 1 is a T-shaped handle, and it should be understood that the handle 1 may also be in other shapes, such as a butterfly shape or a circular ring shape, which is not limited herein. The lower half part of the T-shaped handle is made of soft material, can be bent at will and is convenient for the upper lock sheet to pass through. The handle part of the T-shaped handle is made of medical plastics, namely medical grade sanitary plastics, for example, the medical plastics are ABS materials, the ABS materials have the characteristics of good impact resistance, heat resistance, low temperature resistance, chemical resistance, excellent electrical performance, easy processing, stable product size, good surface gloss and the like, in addition, materials such as PE, PP, PET, PU and the like can be used, and the specific details are not limited herein. The upper lock piece is placed at the lower half part of the T-shaped handle, when the T-shaped handle is pushed downwards, the upper lock piece can be pushed to move downwards along the rack, and when the T-shaped handle is pulled upwards, the upper lock piece can be pulled to move upwards along the rack. Use the messenger's power that T type handle can be better, improve operation efficiency and user experience.
Referring to fig. 2 and 4, in this embodiment, the rack 2 is cylindrical, and has a diameter slightly smaller than the diameter of the circular through hole of the upper locking plate 4, so that the rack can pass through the through hole of the upper locking plate 4, a polished rod is disposed at one quarter of the upper end of the rack 2, so that the upper locking plate 4 can pass through the polished rod, the outside of the remaining portion of the rack 2 is toothed, and the rack 2 is used for being engaged with the rack locking device 3 disposed at the through hole of the upper locking plate 4, the rack locking devices 3 are uniformly distributed in the through hole of the upper locking plate 4 at equal intervals, the rack 2 can be fastened on the rack 2 by matching with the rack locking device 3, and the rack locking device 3 is engaged and locked with the rack 2.
Optionally, the rack locking device 3 and the rack 2 may be configured to move only in one direction in the engagement process, for example, the insections on the rack 2 face downward and can move downward when pushing the handle 1, but cannot be pulled upward, so that the handle has a backstop function to prevent the upper locking plate 4 from sliding out from above.
Optionally, in this embodiment, a locking device, such as a fastening nut, a locking buckle, etc., may be further disposed below the upper locking plate 4, and the details are not limited herein. The locking device is attached to the upper locking plate and locked below the upper locking plate 4 for supporting the upper locking plate 4, so that the upper locking plate 4 is not easy to slide down, the stability of the upper locking plate 4 is further improved, and the safety of the whole skull lock is further improved,
referring to fig. 3, in this embodiment, when the upper lock plate 4 reaches a predetermined position, that is, a position designed or adjusted by a doctor according to the specific situation of a patient is reached, and the rack 2 protrudes too much, the excessive portion of the rack 2 needs to be cut off, so that the rack 2 does not protrude from the through hole of the upper lock plate 4, and the specific operation may be: and pulling the T-shaped handle, pushing the upper locking plate 4 downwards until the upper locking plate 4 and the lower locking plate 5 are respectively attached to the upper side and the lower side of the skull, and cutting off the redundant racks 2. The skull lock also comprises a sealing cover 6, the sealing cover 6 is arranged at the joint of the rack 2 and the upper lock plate 4, redundant rack 2 is cut off or folded, the sealing cover 6 is buckled, the sealing cover 6 is in interference fit with the through hole of the upper lock plate 4, the interference fit is that the hole is enlarged and deformed by using the elasticity of materials to be sleeved on the shaft, the clamping force to the shaft is generated when the hole is restored, so that the two parts are connected, namely the inner diameter of the sealing cover 6 is consistent with the diameter of the through hole, the hole is enlarged by using the elasticity of the through hole, and after the sealing cover 6 is plugged into the through hole, the through hole recovers the clamping force to the sealing cover 6, so that the sealing cover 6 can be tightly buckled in the through hole. The closing cap can lock in last locking plate through-hole, makes rack 2 be in under the closing cap, avoids postoperative patient to touch rack 2 carelessly and causes the skull lock not hard up, has promoted the postoperative aesthetic property simultaneously.
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A novel skull lock for surgery is characterized by comprising: the lock comprises an upper lock plate, a lower lock plate, a handle and a rack;
the lower lock piece is locked and fixed at one end of the rack, the upper lock piece is provided with a through hole, a rack locking device is arranged in the through hole and used for locking the upper lock piece on the rack when the rack penetrates through the through hole to reach a preset position, and the handle is arranged at the other end of the rack and used for pushing the upper lock piece to reach the preset position.
2. The novel surgical skull lock according to claim 1, further comprising a sealing cap disposed at a connection point of the rack and the upper locking plate, wherein the sealing cap is in interference fit with the through hole of the upper locking plate, so that the sealing cap can be tightly locked in the through hole.
3. A novel surgical skull lock according to claim 2, wherein the inner diameter of the cap matches the diameter of the through hole of the upper locking plate, and the cap is snapped into the through hole when the rack passes through the through hole but does not protrude from the through hole.
4. The novel skull lock for surgical operation according to claim 1, wherein the lower locking plate is circular and tilted around, and U-shaped grooves are uniformly distributed on the edge of the lower locking plate.
5. A novel surgical skull lock according to claim 1, wherein a plurality of rack locking means are provided in the through hole of the upper locking plate for engaging with the rack to secure the upper locking plate to the rack.
6. The novel surgical skull lock according to claim 1, wherein the rack is cylindrical and the upper quarter is a polish rod for the upper lock plate to pass through.
7. A novel surgical skull lock according to any of claims 1 to 6 wherein the handle is a T-handle.
8. A novel surgical skull lock according to claim 7, wherein the T-shaped handle and the rack connecting portion are made of soft material to facilitate the installation of a locking plate.
9. A novel surgical skull lock according to claim 7, wherein the handle portion of the T-handle is of medical grade plastic.
10. A novel surgical skull lock according to claim 9, wherein the medical plastic is ABS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111454787.5A CN114191062A (en) | 2021-12-01 | 2021-12-01 | Novel skull lock for surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111454787.5A CN114191062A (en) | 2021-12-01 | 2021-12-01 | Novel skull lock for surgical operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114191062A true CN114191062A (en) | 2022-03-18 |
Family
ID=80649984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111454787.5A Pending CN114191062A (en) | 2021-12-01 | 2021-12-01 | Novel skull lock for surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114191062A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305619A1 (en) * | 2007-12-14 | 2010-12-02 | Stryker Leibinger Gmbh & Co. Kg | Implant for use for adjacently arranged bone plates |
| US20150282840A1 (en) * | 2014-04-02 | 2015-10-08 | Pat Lemoine | Cranial Burr Hole Cover |
| CN209122394U (en) * | 2018-06-27 | 2019-07-19 | 覃进波 | A kind of Novel skull lock |
| CN211213445U (en) * | 2019-09-23 | 2020-08-11 | 苏州科技城医院 | Skull fixing device |
| CN211560186U (en) * | 2019-12-09 | 2020-09-25 | 中国科学院深圳先进技术研究院 | Adjustable diplopore lock pin holder |
| US20210038265A1 (en) * | 2019-08-06 | 2021-02-11 | Vitalys Surgical | Fixator for cranial flap |
-
2021
- 2021-12-01 CN CN202111454787.5A patent/CN114191062A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305619A1 (en) * | 2007-12-14 | 2010-12-02 | Stryker Leibinger Gmbh & Co. Kg | Implant for use for adjacently arranged bone plates |
| US20150282840A1 (en) * | 2014-04-02 | 2015-10-08 | Pat Lemoine | Cranial Burr Hole Cover |
| CN209122394U (en) * | 2018-06-27 | 2019-07-19 | 覃进波 | A kind of Novel skull lock |
| US20210038265A1 (en) * | 2019-08-06 | 2021-02-11 | Vitalys Surgical | Fixator for cranial flap |
| CN211213445U (en) * | 2019-09-23 | 2020-08-11 | 苏州科技城医院 | Skull fixing device |
| CN211560186U (en) * | 2019-12-09 | 2020-09-25 | 中国科学院深圳先进技术研究院 | Adjustable diplopore lock pin holder |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220318 |
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