WO2023005105A1 - 一种神经套管的制备方法、装置、电子设备及存储介质 - Google Patents
一种神经套管的制备方法、装置、电子设备及存储介质 Download PDFInfo
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- WO2023005105A1 WO2023005105A1 PCT/CN2021/137765 CN2021137765W WO2023005105A1 WO 2023005105 A1 WO2023005105 A1 WO 2023005105A1 CN 2021137765 W CN2021137765 W CN 2021137765W WO 2023005105 A1 WO2023005105 A1 WO 2023005105A1
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- voltage
- polarization
- electret
- nerve
- electret film
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B17/1128—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis of nerves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B2017/1132—End-to-end connections
Definitions
- the embodiments of the present invention relate to nerve sleeve preparation technology, in particular to a preparation method, device, electronic equipment and storage medium of nerve sleeve.
- anastomosis of nerve axon stumps is an effective method for repair.
- the nerve sleeve In terms of accelerating the anastomosis of stumps and promoting the growth of nerve cells, the nerve sleeve not only creates a microenvironment enriched with various neurotrophic factors, prevents the growth of peripheral connective tissue and the formation of neuromas, but also ensures that the axons at the stumps are not compressed . Because the electric field has a regulating effect on the growth of nerve cells, it can promote the regeneration of nerve cell axons and surrounding nerves.
- the nerve sleeve that can provide electric field stimulation has a greater and more direct effect on the repair of nerve damage.
- the electric field has a regulating effect on the growth of nerve cells, and can promote the regeneration of nerve cell axons and peripheral nerve tissue.
- the electric field has a regulating effect on the growth of nerve cells, and can promote the regeneration of nerve cell axons and peripheral nerve tissue.
- the invention provides a preparation method, a device, an electronic device and a storage medium of a nerve sleeve, so as to realize the effect of regulating and promoting the regeneration of nerve cells and tissues through an electret.
- an embodiment of the present invention provides a method for preparing a nerve sleeve, including:
- the polarized electret film is properly cut to make a nerve sleeve.
- said obtaining the dried electret film and placing it on a multi-voltage polarization platform, before said multi-voltage polarization platform is used to generate the polarization voltage also includes:
- the electret film is cleaned.
- the method further includes:
- the method further includes:
- the polarized electret was left for several hours.
- the said polarized electret film after the said polarized electret film is properly cut to make the nerve sleeve, it also includes:
- the nerve sleeve was sterilized using ultraviolet light.
- the voltages in multiple regions of the electret film are increasing or decreasing.
- the material of the nerve sleeve is a biocompatible and degradable electret.
- the embodiment of the present invention also provides a nerve sleeve preparation device, the device comprising:
- An acquisition module configured to acquire a dry electret film and place it on a multi-voltage polarization platform, the multi-voltage polarization platform is used to generate a polarization voltage
- a first adjustment module configured to adjust the polarization voltage to a first voltage, and polarize the first region of the electret film
- a second adjustment module configured to adjust the polarization voltage to a second voltage, and polarize the second region of the electret film
- the cutting module is used to properly cut the polarized electret film to make a nerve sleeve.
- an embodiment of the present invention also provides an electronic device, the electronic device comprising:
- processors one or more processors
- the one or more processors When the one or more programs are executed by the one or more processors, the one or more processors are made to implement the nerve sleeve preparation method as described above.
- an embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, the computer program includes program instructions, and when the program instructions are executed by a processor, the above-mentioned any one of the above-mentioned Preparation method of neural sleeve.
- the embodiment of the present invention discloses a preparation method, device, electronic equipment, and storage medium of a nerve sleeve.
- the method includes: obtaining a dry electret film and placing it on a multi-voltage polarization table, and the multi-voltage polarization
- the platform is used to generate a polarization voltage; adjust the polarization voltage to a first voltage to polarize the first region of the electret film; adjust the polarization voltage to a second voltage to polarize the electret film
- the second region of the electret film is polarized; the polarized electret film is properly cut to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
- Fig. 1 is a method flowchart of a preparation method of a nerve sleeve provided in Embodiment 1 of the present invention
- Fig. 2 is a schematic structural view of an electret film in Example 1 of the present invention.
- Fig. 3 is a schematic diagram of the electric field shown in the section along the axis of the nerve sleeve in Embodiment 1 of the present invention.
- FIG. 4 is a schematic structural diagram of a multi-voltage polarization station in Embodiment 1 of the present invention.
- Fig. 5 is a method flowchart of a preparation method of a nerve sleeve provided in Embodiment 2 of the present invention.
- FIG. 6 is a schematic structural diagram of a nerve sleeve preparation device provided in Embodiment 3 of the present invention.
- FIG. 7 is a schematic structural diagram of a device provided by Embodiment 4 of the present invention.
- first”, “second”, etc. may be used herein to describe various directions, actions, steps or elements, etc., but these directions, actions, steps or elements are not limited by these terms. These terms are only used to distinguish a first direction, action, step or element from another direction, action, step or element.
- a first module could be termed a second module, and, similarly, a second module could be termed a first module, without departing from the scope of the present application. Both the first module and the second module are modules, but they are not the same module.
- the terms “first”, “second”, etc. should not be interpreted as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
- “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
- Fig. 1 is a method flow chart of a preparation method of a nerve sleeve provided in Embodiment 1 of the present invention.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention is applicable to the case of preparing a nerve sleeve based on an electret Specifically, the preparation method of a nerve sleeve provided by Embodiment 1 of the present invention includes:
- Step 100 obtaining a dry electret film and placing it on a multi-voltage polarization platform, which is used to generate polarization voltages.
- an electret is a dielectric material that exhibits a "quasi-permanent" charge.
- the charges in an electret can be “real" charges, for example, surface charges stored on the surface of the material and space charges stored in the bulk of the material; dipolar charges, that is, orientation dipoles (or displacement charges); or Both have it in common.
- Electrets are generally formed by ordinary dielectric materials treated by corona charging, electric breakdown charging and other methods. Common electrets include polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer (FEP), polychlorotrifluoroethylene (PCTFE), polypropylene (PP), polylactic acid (PLA) and other electrets.
- PTFE polytetrafluoroethylene
- FEP fluorinated ethylene propylene copolymer
- PCTFE polychlorotrifluoroethylene
- PP polypropylene
- PDA polylactic acid
- FIG. 2 is a schematic structural diagram of the electret thin film in this embodiment, and four polarized regions are taken as an example for illustration in this embodiment.
- the V1, V2, V3, and V4 sleeve areas in the nerve sleeve correspond to the V1, V2, V3, and V4 polarization areas of the electret, and the voltages in multiple areas of the electret film are increasing or decreasing.
- Fig. 3 Fig.
- FIG. 3 is a schematic diagram of the electric field shown in the axis section of the nerve sleeve in this embodiment, the surface of the polarization area of the nerve sleeve 2 corresponding to the sleeve axis 1 due to the V1, V2, V3, and V4 sleeve areas
- the magnitude of the potential increases or decreases sequentially, and the direction of the electric field in the nerve casing 2 changes along the direction of increasing or decreasing electric field strength.
- the direction of the electric field in the nerve sleeve 2 changes along the direction of increasing or decreasing electric field intensity, therefore, when the nerve sleeve 2 is sheathed at the nerve wound, the direction along the nerve tissue surface and the direction vertical to the nerve tissue
- the direction of the surface has the effect of an electric field, which can not only promote the regeneration of nerve cells and tissues, but also promote the effective accumulation of various neurotrophic factors and other substances, and accelerate the repair of nerve damage.
- the inside of the nerve sleeve The electric field strength decreases sequentially from bottom to top.
- Fig. 4 is a structural schematic diagram of a multi-voltage polarization platform in this embodiment, multi-voltage
- the polarizing table is composed of a polarizing plate, an electret layer, an isolation ring and a shielding cover, wherein the isolation ring is fixed on the cover edge of the shielding cover.
- the electret layer is placed on the polarizing plate.
- Multiple shielding covers are closely arranged on the electret (no shielding cover is placed in the area that needs polarization), and the isolation ring on the shielding cover is in contact with the electret layer.
- both the polarizing plate and the shield cover are grounded (GND).
- the polarizing plate and the shielding cover are made of metal materials
- the isolation ring is made of non-metallic materials
- the electret layer is an electret film to be polarized.
- Step 110 adjusting the polarization voltage to a first voltage, and polarizing the first region of the electret film.
- the V1 polarization region of the electret is polarized by adjusting the polarization voltage to U1.
- the multi-voltage polarization No shielding cover is placed in the V1 polarization area on the stage, and shielding covers are placed in the V2, V3, and V4 polarization areas, so as to achieve the effect of only polarizing the V1 polarization area.
- Step 120 adjusting the polarization voltage to a second voltage, and polarizing the second region of the electret film.
- the polarization voltage is adjusted to U2, and the V2 polarization region of the electret is polarized, which is the same as in step 110.
- no shielding cover is placed on the V2 polarization region on the multi-voltage polarization table, V1 , V3, and V4 polarization areas are placed with shielding covers, so as to achieve the effect of only polarizing the V2 polarization area.
- regions V3 and V4 are polarized in the same way.
- polarization is performed sequentially according to the above method, which will not be repeated in this embodiment.
- Step 130 appropriately cutting the polarized electret film to make a nerve sleeve.
- the polarized electret film is properly cut to meet the size of the nerve, etc., and the sleeve axis passes through all the polarized regions of the electret, specifically, the nerve sleeve
- the material used is an electret with good biocompatibility and degradability.
- the embodiment of the present invention discloses a preparation method of a nerve sleeve, the method comprising: obtaining a dry electret film and placing it on a multi-voltage polarization table, and the multi-voltage polarization table is used to generate a polarization voltage; adjusting the polarizing voltage to a first voltage to polarize the first region of the electret film; adjusting the polarizing voltage to a second voltage to polarize the second region of the electret film The polarized electret film is properly cut to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
- Fig. 5 is a method flow chart of a preparation method of a nerve sleeve provided in Embodiment 2 of the present invention. This embodiment is expanded on the basis of Embodiment 1.
- a nerve sleeve provided in the embodiment of the present invention The preparation method is suitable for preparing nerve sleeves based on electrets.
- the preparation method of a nerve sleeve provided in Embodiment 1 of the present invention includes:
- Step 200 cleaning the electret film.
- the electret film to be polarized is firstly cleaned to remove dust, oil stains, etc. on the surface of the film to keep its surface clean and prevent users from being infected during use.
- Step 210 obtaining a dried electret film and placing it on a multi-voltage polarization platform, where the multi-voltage polarization platform is used to generate polarization voltages.
- an electret is a dielectric material that exhibits a "quasi-permanent" charge.
- the charges in an electret can be “real" charges, for example, surface charges stored on the surface of the material and space charges stored in the bulk of the material; dipolar charges, that is, orientation dipoles (or displacement charges); or Both have it in common.
- Electrets are generally formed by ordinary dielectric materials treated by corona charging, electric breakdown charging and other methods. Common electrets include polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer (FEP), polychlorotrifluoroethylene (PCTFE), polypropylene (PP), polylactic acid (PLA) and other electrets.
- PTFE polytetrafluoroethylene
- FEP fluorinated ethylene propylene copolymer
- PCTFE polychlorotrifluoroethylene
- PP polypropylene
- PDA polylactic acid
- V1, V2, V3, and V4 sleeve areas in the nerve sleeve correspond to the V1, V2, V3, and V4 polarization areas of the electret, and the voltages in multiple areas of the electret film are increasing or decreasing. Since the surface potentials of the electret polarization regions corresponding to the V1, V2, V3, and V4 casing regions increase or decrease sequentially, the direction of the electric field in the nerve casing changes along the direction of increasing or decreasing electric field strength.
- the nerve When the sleeve is placed on the nerve wound, it has an electric field effect along the direction of the surface of the nerve tissue and the direction perpendicular to the surface of the nerve tissue, which can not only promote the regeneration of nerve cells and tissues, but also promote the production of various neurotrophic factors and other substances. Effective aggregation, accelerate the repair of nerve damage.
- a multi-voltage polarization table which consists of a polarization plate, an electret layer, an isolation ring, and a shielding cover. Wherein the isolation ring is fixed on the cover edge of the shielding cover.
- the electret layer is placed on the polarizing plate.
- shielding covers are closely arranged on the electret (no shielding cover is placed in the area that needs polarization), and the isolation ring on the shielding cover is in contact with the electret layer. Both the polarizing plate and the shield cover are grounded (GND).
- the polarizing plate and the shielding cover are made of metal materials
- the isolation ring is made of non-metallic materials
- the electret layer is an electret film to be polarized.
- Step 220 adjusting the polarization voltage to a first voltage, and polarizing the first region of the electret film.
- the V1 polarization region of the electret is polarized by adjusting the polarization voltage to U1.
- the multi-voltage polarization No shielding cover is placed in the V1 polarization area on the stage, and shielding covers are placed in the V2, V3, and V4 polarization areas, so as to achieve the effect of only polarizing the V1 polarization area.
- Step 230 adjusting the polarization voltage to a second voltage, and polarizing the second region of the electret film.
- the polarization voltage is adjusted to U2, and the V2 polarization region of the electret is polarized, which is the same as in step 110.
- no shielding cover is placed on the V2 polarization region on the multi-voltage polarization table, V1 , V3, and V4 polarization areas are placed with shielding covers, so as to achieve the effect of only polarizing the V2 polarization area.
- Step 240 judging whether all regions of the electret film are polarized, and if not, screening out non-polarized regions for polarization.
- the number of polarized areas of the electret and the number of sleeve areas of the nerve sleeve can be multiple, and the specific situation needs to be determined according to actual usage conditions.
- the polarization voltage of each polarized region of the electret is determined according to the actual electret material and the electric field required by the nerve sleeve.
- the size of electret and nerve sleeve is determined according to the actual situation of nerve injury.
- the V1 and V2 regions have been processed in step 220 and step 230, and in this step, the V3 and V4 regions also need to be processed, and the polarization voltage is adjusted to U3 , to polarize the V3 polarization area of the electret (the shielding cover is not placed in the V3 polarization area on the multi-voltage polarization table, and the shielding cover is placed in the V1, V2, V4 polarization areas).
- Step 250 placing the polarized electret sheet for several hours.
- the polarized electret is placed for 24 hours, and the specific storage time can also be adjusted adaptively according to the actual situation, and the next step can be carried out after the surface potential value of the electret tends to be stable. .
- Step 260 appropriately cutting the polarized electret film to make a nerve sleeve.
- the polarized electret film is properly cut to meet the size of the nerve, etc., and the sleeve axis passes through all the polarized regions of the electret, specifically, the nerve sleeve
- the material used is an electret with good biocompatibility and degradability.
- Step 270 sterilize the nerve sleeve with ultraviolet light.
- the electret nerve cannula is sterilized by ultraviolet rays to ensure its safety and infection-free, which improves user experience.
- the embodiment of the present invention discloses a preparation method of a nerve sleeve, the method comprising: obtaining a dry electret film and placing it on a multi-voltage polarization table, and the multi-voltage polarization table is used to generate a polarization voltage; adjusting the polarizing voltage to a first voltage to polarize the first region of the electret film; adjusting the polarizing voltage to a second voltage to polarize the second region of the electret film The polarized electret film is properly cut to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
- the nerve sleeve preparation device of the embodiment of the present invention can implement the preparation method of the nerve sleeve provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for performing the method.
- Fig. 6 is a schematic structural diagram of a neural sleeve preparation device 300 in an embodiment of the present invention. Referring to Fig. 6, the nerve sleeve preparation device 300 provided by the embodiment of the present invention may specifically include:
- the acquisition module 310 is used to acquire the dried electret film and place it on a multi-voltage polarization platform, and the multi-voltage polarization platform is used to generate polarization voltages.
- the first adjustment module 320 is configured to adjust the polarization voltage to a first voltage to polarize the first region of the electret film.
- the second adjustment module 330 is configured to adjust the polarization voltage to a second voltage to polarize the second region of the electret film.
- the cutting module 340 is configured to properly cut the polarized electret film to make a nerve sleeve.
- the obtained dry electret film is placed on a multi-voltage polarization platform, and before the multi-voltage polarization platform is used to generate the polarization voltage, it also includes:
- the electret film is cleaned.
- the adjusting the polarization voltage to the second voltage, after polarizing the second region of the electret film further includes:
- the adjusting the polarization voltage to the second voltage, after polarizing the second region of the electret film further includes:
- the polarized electret was left for several hours.
- the said polarized electret film is properly cut to make the nerve sleeve, it also includes:
- the nerve sleeve was sterilized using ultraviolet light.
- the voltages in multiple regions of the electret film are increasing or decreasing.
- the material of the nerve sleeve is an electret with good biocompatibility and degradability.
- the embodiment of the present invention discloses a nerve sleeve preparation device, which includes: an acquisition module, used to acquire a dried electret film and place it on a multi-voltage polarization platform, and the multi-voltage polarization platform is used for generating a polarization voltage; a first adjustment module, configured to adjust the polarization voltage to a first voltage, and polarize the first region of the electret film; a second adjustment module, configured to adjust the polarization The voltage is the second voltage, and the second region of the electret film is polarized; the cutting module is used for properly cutting the polarized electret film to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
- FIG. 7 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.
- the electronic device 400 includes a memory 410 and a processor 420, and the number of processors 420 in the electronic device 400 may be one or more
- a processor 420 is taken as an example; the memory 410 and the processor 420 in the server may be connected through a bus or in other ways.
- the connection through a bus is taken as an example.
- the memory 410 can be used to store software programs, computer-executable programs and modules, such as program instructions/modules corresponding to the preparation method of the nerve sleeve in the embodiment of the present invention (for example, a nerve sleeve In the pipe preparation device 300, the processor 420 executes the server/terminal/ Various functional applications and data processing of the server are to realize the preparation method of the above-mentioned nerve sleeve.
- processor 420 is used to run the computer program stored in the memory 410 to implement the following steps:
- the polarized electret film is properly cut to make a nerve sleeve.
- the computer program of the electronic device provided by the embodiment of the present invention is not limited to the above-mentioned method operations, and can also perform related operations in the preparation method of the nerve sleeve provided by any embodiment of the present invention .
- the memory 410 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the terminal, and the like.
- the memory 410 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage devices.
- the memory 410 may further include a memory that is remotely located relative to the processor 420, and these remote memories may be connected to a server/terminal/server through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- the embodiment of the present invention discloses an electronic device for preparing a nerve sleeve, which is used to perform the following method: obtain a dry electret film and place it on a multi-voltage polarization table, and the multi-voltage polarization table is used to generate a pole Polarizing voltage; adjusting the polarizing voltage to the first voltage, polarizing the first region of the electret film; adjusting the polarizing voltage to the second voltage, polarizing the second area of the electret film The region is polarized; the polarized electret film is properly cut to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
- Embodiment 5 of the present invention also provides a storage medium containing computer-executable instructions, and the computer-executable instructions are used to perform a preparation method of a nerve sleeve when executed by a computer processor, the method comprising:
- the polarized electret film is properly cut to make a nerve sleeve.
- the computer-executable instructions are not limited to the above-mentioned method operations, and can also execute a neural casing provided by any embodiment of the present invention. Related operations in the preparation method.
- the computer-readable storage medium in the embodiments of the present invention may use any combination of one or more computer-readable media.
- the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
- a computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof.
- a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
- a computer readable signal medium may include a data signal carrying computer readable program code in baseband or as part of a carrier wave. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. .
- Program code contained on a storage medium may be transmitted using any appropriate medium, including - but not limited to wireless, wires, optical cables, RF, etc., or any suitable combination of the foregoing.
- Computer program code for carrying out the operations of the present invention may be written in one or more programming languages, or combinations thereof, including object-oriented programming languages—such as Java, Smalltalk, C++, and conventional Procedural Programming Language - such as "C" or a similar programming language.
- the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or terminal.
- the remote computer can be connected to the user computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through an Internet service provider). Internet connection).
- LAN local area network
- WAN wide area network
- Internet service provider such as AT&T, MCI, Sprint, EarthLink, MSN, GTE, etc.
- the embodiment of the present invention discloses a nerve sleeve preparation storage medium, which is used to perform the following method: obtain a dry electret film and place it on a multi-voltage polarization stage, and the multi-voltage polarization stage is used to generate a pole Polarizing voltage; adjusting the polarizing voltage to the first voltage, polarizing the first region of the electret film; adjusting the polarizing voltage to the second voltage, polarizing the second area of the electret film The region is polarized; the polarized electret film is properly cut to make a nerve sleeve.
- the preparation method of a nerve sleeve provided by the embodiment of the present invention solves the problem that there is no nerve sleeve with electric field stimulation in the prior art by using electrets to prepare a nerve sleeve with a gradient electric field, and realizes the Electret to regulate and promote the regeneration of nerve cells and tissues.
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Abstract
Description
Claims (10)
- 一种神经套管的制备方法,其特征在于,包括:获取干燥的驻极体薄膜并放置在多电压极化台上,所述多电压极化台用于生成极化电压;调整所述极化电压为第一电压,对所述驻极体薄膜的第一区域进行极化;调整所述极化电压为第二电压,对所述驻极体薄膜的第二区域进行极化;将所述极化后的驻极体薄膜进行适当裁剪制成神经套管。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述获取干燥的驻极体薄膜并放置在多电压极化台上,所述多电压极化台用于生成极化电压之前还包括:对所述驻极体薄膜进行清洁处理。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述调整所述极化电压为第二电压,对所述驻极体薄膜的第二区域进行极化之后还包括:判断所述驻极体薄膜的所有区域是否都被极化,若否,则筛选出未被极化的区域进行极化。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述调整所述极化电压为第二电压,对所述驻极体薄膜的第二区域进行极化之后还包括:将所述极化后的驻极体薄放置多个小时。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述将所述极化后的驻极体薄膜进行适当裁剪制成神经套管之后还包括:对所述神经套管使用紫外线进行消毒处理。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述驻极体薄膜的多个区域内电压为递增或者递减。
- 根据权利要求1中所述的神经套管的制备方法,其特征在于,所述神经套管的材料为生物相容性良好并且可降解的驻极体。
- 一种神经套管的制备装置,其特征在于,包括:获取模块,用于获取干燥的驻极体薄膜并放置在多电压极化台上,所述多电压极化台用于生成极化电压;第一调整模块,用于调整所述极化电压为第一电压,对所述驻极体薄膜的第一区域进行极化;第二调整模块,用于调整所述极化电压为第二电压,对所述驻极体薄膜的第二区域进行极化;裁剪模块,用于将所述极化后的驻极体薄膜进行适当裁剪制成神经套管。
- 一种电子设备,其特征在于,所述电子设备包括:一个或多个处理器;存储装置,用于存储一个或多个程序,当所述一个或多个程序被所述一个或多个处理器执行,使得所述一个或多个处理器实现如权利要求1-7中任一所述的神经套管的制备方法。
- 一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序包括程序指令,其特征在于,该程序指令被处理器执行时实现如权利要求1-7中任一所述的神经套管的制备方法。
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| US20110163615A1 (en) * | 2008-09-12 | 2011-07-07 | Imec | Patterned Electret Structures and Methods for Manufacturing Patterned Electret Structures |
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