WO2001048262A1 - Procede d'obtention d'un film tio2-x sur la surface d'un materiau faisant appel a un procede d'implantation non ionique par immersion plasma (iiip) et ses applications - Google Patents
Procede d'obtention d'un film tio2-x sur la surface d'un materiau faisant appel a un procede d'implantation non ionique par immersion plasma (iiip) et ses applications Download PDFInfo
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- WO2001048262A1 WO2001048262A1 PCT/CN2000/000728 CN0000728W WO0148262A1 WO 2001048262 A1 WO2001048262 A1 WO 2001048262A1 CN 0000728 W CN0000728 W CN 0000728W WO 0148262 A1 WO0148262 A1 WO 0148262A1
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- titanium
- tantalum
- niobium
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- oxygen
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
- A61L27/306—Other specific inorganic materials not covered by A61L27/303 - A61L27/32
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L33/00—Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment
- A61L33/02—Use of inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
Definitions
- the present invention generally relates to the technical field of surface modification of materials, and in particular to a method for modifying the surface of an inorganic material or an organic material.
- the invention also relates to a method for surface modification of artificial organ materials.
- methods for modifying the surface of artificial organs that come into contact with blood and devices that are implanted in the human body and come into contact with blood are particularly useful.
- Pyrolytic carbon materials with the best blood compatibility represent the highest level of mechanical heart valves that have been used in clinical artificial heart valves, but for clinical requirements, their blood compatibility is still not high enough. And its toughness is only 1/100 of the metal; Paul Didisheim in "Substitute Heart Valves-Do We Need Better Ones?" ⁇ , Government News, Biomaterials Forum, 1996, 18 (5), 15-16 discussed that the coagulation and bleeding complications of artificial heart valves in the United States are 1.5-3% years, and the development of anticoagulant performance New types of valves for artificial heart valves currently used in clinical applications. Among them, new biomaterials, surface modification, and new valve designs are important means to develop better artificial heart valves; Mitamura. Y. et al.
- the second is the limitation of the physical nature of the thin film synthesis method used.
- the bonding strength of the thin film to the substrate is low.
- Chinese Patent No. ZL 95111386. 0 gives a method for preparing titanium oxide / titanium nitride composite film on cardiovascular artificial organs by ion beam enhanced deposition method (IBED).
- IBED ion beam enhanced deposition method
- This method can only realize flat, simple artificial Cardiovascular organ coverings (such as the leaves of artificial heart valves) cannot uniformly and comprehensively cover the artificial cardiovascular organs with complex shapes and curved surfaces (such as the surface of the valve frame of artificial heart valves). All the surfaces that come into contact with blood are modified to ensure the stability and reliability of artificial organ performance and safety.
- An object of the present invention is to provide a material for surface modification of a material and a preparation method thereof.
- Another object of the present invention is to provide a surface-modified material of an artificial organ and a preparation method thereof.
- Still another object of the present invention is to provide a surface-modified material of an artificial organ in contact with blood and a device implanted in the human body and in contact with blood, and a preparation method thereof, by which the artificial heart, the artificial heart valve, and the left can be effectively improved.
- Blood compatibility on the surface of complex-shaped artificial organs and instruments such as cardiac assisted pumps and vascular stents.
- the present invention proposes to prepare a two-element thin film of specific titanium oxide and a multi-element thin film of titanium oxide doped with hydrogen, tantalum and niobium by using a specific technical method, and firstly prepare a titanium nitride film on the bottom layer, and then prepare a nitrogen atom gradient Gradient film that descends and increases the oxygen atom gradient to obtain a surface with excellent blood compatibility and high mechanical properties.
- the method of the present invention can be implemented by the following scheme, where the term “artifact” naturally includes the term “artificial organ” and “instrument” implanted in the human body and in contact with blood; similarly, the term “artificial organ” or “instrument” also refers to Articles that are understood to be made from any inorganic or organic material and used in various fields should be promoted:
- Ti0 2 _ x films and Ti0 2 — X / Ti- N-0 / TiN gradient films with oxygen deficiency on the surface of the material 1) Ti0 2 —x film with oxygen deficiency:
- the workpiece (such as an artificial organ) is placed in a vacuum chamber of a plasma immersion ion implantation device (Plasma Immersion Ion Implantation, PIII), filled with a certain pressure of oxygen, and RF discharge is used.
- the microwave discharge forms an oxygen plasma.
- titanium is used as the cathode of the metal plasma source.
- the titanium metal plasma source is turned on and the titanium metal plasma is introduced into the vacuum chamber.
- titanium and oxygen ions Bombard and form Ti0 2 _ x film on the surface of the workpiece (artificial organ).
- Parameters that control film performance include: titanium metal plasma density, titanium ion deposition rate, oxygen plasma density, oxygen pressure, pulse negative voltage repetition frequency, pulse width, and pulse negative voltage amplitude.
- Ti0 2 — Ti- N- 0 / TiN gradient film Place the workpiece (artificial organ) in the vacuum chamber of a plasma immersion ion implantation device, fill it with nitrogen at a certain pressure, and use radio frequency discharge and sine wave discharge to form nitrogen Plasma, while using titanium as the cathode of the metal plasma source, turn on the titanium metal plasma source, introduce the titanium metal plasma into the vacuum chamber, and under the action of a pulsed negative voltage applied to the workpiece, titanium and nitrogen ions bombard the workpiece ( A TiN film is formed on the surface of an artificial organ, and then the nitrogen pressure is gradually reduced and the oxygen pressure is increased to form a transitional Ti-N-0 film with a decreasing nitrogen atom gradient and an increasing oxygen atom gradient.
- the only gas in the vacuum chamber is oxygen.
- Oxygen or oxygen plasma and titanium plasma form Ti0 2 _ x film under the action of pulse negative voltage.
- Parameters that control film performance include: titanium metal plasma density, titanium ion deposition rate, nitrogen plasma density, oxygen plasma density, nitrogen pressure, oxygen pressure, pulse negative voltage repetition frequency, pulse width, and pulse negative voltage amplitude.
- an oxygen-deficient Ti0 2 _ x film (artificial organ) is obtained on the surface of the workpiece.
- the workpiece can also be subjected to vacuum annealing treatment at a certain temperature, time and vacuum degree.
- the parameters that control the properties of the thin film after annealing include: annealing temperature, annealing time and vacuum degree.
- the following method can be used to prepare a hydrogen-doped titanium oxide film.
- the workpiece (artificial organ) is placed in a vacuum chamber of a plasma immersion ion implantation device (Plasma Immersion Ion Implantation (PIII)), filled with a certain pressure of oxygen, and an RF plasma and a microwave discharge are used to form an oxygen plasma.
- PIII plasma immersion ion Implantation
- titanium is used as the metal
- the cathode of the plasma source turns on the titanium metal plasma source and introduces the titanium metal plasma into the vacuum chamber.
- titanium and oxygen ions bombard and form Ti0 2 on the surface of the workpiece (artificial organ).
- Parameters that control film performance include: titanium metal plasma density, titanium ion deposition rate, oxygen plasma density, oxygen pressure, pulse negative voltage repetition frequency, pulse width, and pulse negative voltage amplitude.
- Plasma hydrogenation Place a workpiece (artificial organ) covered with a titanium dioxide film on the surface of a plasma immersion ion implantation device (Plasma Immersion Ion Implantation (PI)), fill it with hydrogen at a certain pressure, and discharge to generate hydrogen plasma Body, a certain pulse or a negative DC bias voltage is applied to the workpiece, and at the same time, the workpiece (artificial organ) can be heated, and a titanium hydrogen-containing film is formed on the surface of the artificial organ by a plasma hydrogenation method.
- the parameters that control the performance of the film include: the pressure of the hydrogen gas, the density of the hydrogen plasma, the heating temperature, the discharge voltage, the discharge current, and the hydrogenation time.
- This method is repeated, and multiple ion implantation is used to uniformly distribute the concentration of hydrogen ions in the titanium oxide film along the film depth direction.
- Parameters that control the performance of hydrogen-containing titanium oxide films include: vacuum pressure of hydrogen chamber, hydrogen plasma density, hydrogen plasma energy, hydrogen ion implantation dose, pulse negative high pressure repetition Frequency, pulse width, pulse negative voltage amplitude, multiple ion implantation implementation times and each implantation implementation time.
- a titanium hydroxide film having excellent performance After the workpiece (artificial organ) treated by the above method is subjected to vacuum annealing treatment at a certain temperature, time and vacuum degree, a titanium hydroxide film having excellent performance can be obtained.
- the parameters controlling the film properties are: annealing temperature, annealing time and vacuum.
- titanium nitride film on the bottom layer, then prepare a gradient film Ti0 2 / Ti-N-0 / TiN gradient film with a gradient of nitrogen atom gradient and an increase in oxygen atom gradient, and finally prepare a hydrogen-doped Surface layer of titanium oxide film.
- the following methods can be used to prepare niobium or tantalum doped titanium oxide films.
- Ion implantation method First deposit Ti0 2 film or Ti0 2 / Ti- N-0 / TiN gradient film on the surface of the base material of the workpiece (artificial organ) with PIII, and then place the workpiece (artificial organ) in the vacuum chamber of PIII device On the sample stage.
- tantalum or niobium as the cathode of the metal plasma source, apply a pulsed negative high voltage on the sample stage, turn on the tantalum or niobium metal plasma source, and introduce the tantalum or niobium metal plasma into the vacuum chamber.
- Tantalum or niobium ions bombard and implant the surface of the workpiece to form a niobium or tantalum doped titanium oxide film.
- a niobium or tantalum doped Ti0 2 film or a Ti0 2 / Ti-N-0 / TiN gradient film By applying various pulse negative voltages from high to low on the sample, uniform distribution of niobium or tantalum in the titanium oxide film or Ti0 2 / Ti- N-0 / TiN gradient film can be obtained.
- Parameters that control film performance include: tantalum or niobium metal plasma density, tantalum or niobium implantation dose, pulse negative high voltage repetition frequency, pulse width and pulse negative voltage amplitude, and number of pulse negative voltage amplitude changes.
- Thin film deposition method Place the workpiece (artificial organ) on the vacuum chamber sample stage of the PIII device. A certain pressure of oxygen is introduced into the vacuum chamber. The oxygen can be in a neutral gas state in the vacuum chamber, and an oxygen plasma can also be generated by radio frequency discharge or microwave discharge. A pulsed negative voltage is applied to the sample stage, and the metal plasma source of the titanium, tantalum or titanium, niobium alloy cathode is turned on at the same time. The titanium and tantalum or titanium and niobium metal plasma are introduced into the vacuum chamber at the same time.
- Tantalum, oxygen ions or titanium, niobium, oxygen ions simultaneously The surface of the workpiece (artificial organ) is bombarded to form a thin film of titanium oxide doped with niobium or tantalum.
- Parameters that control film performance include: the atomic ratio of niobium ions or tantalum ions to titanium ions in titanium, tantalum or titanium, and niobium binary metal plasmas, the density of titanium, tantalum or titanium, and niobium binary metal plasmas, and the oxygen plasma density , Vacuum chamber oxygen pressure, pulse negative high voltage repetition frequency, pulse width, pulse negative voltage amplitude.
- tantalum or niobium plasma titanium plasma, nitrogen plasma (or nitrogen) into the vacuum chamber at the same time, and deposit a titanium nitride film containing tantalum or niobium on its bottom layer, and then prepare a nitrogen atom gradient drop, oxygen Ti0 2 / Ti- N- 0 / TiN gradient films containing tantalum or niobium with increasing atomic gradient.
- tantalum or niobium doped titanium oxide films or Ti0 2 / Ti- N-0 / TiN gradient films can be obtained on the surface of the artificial organ.
- the parameters that control the properties of the film after annealing include: annealing temperature, annealing time, and vacuum degree.
- a niobium-titanium or tantalum-titanium alloy target or a mosaic target is used as a sputtering target, and a high-speed and low-temperature coating method such as magnetron sputtering is used to deposit a titanium-tantalum or titanium-niobium alloy thin film on the surface of an artificial organ.
- a direct current or a pulsed negative voltage is applied to the sputtering target, and argon is introduced into the vacuum chamber to form an argon plasma. The argon ions will bombard the target, and the target atoms will be sputtered and deposited on the surface of the rotating workpiece (artificial organ).
- Parameters that control film properties include: the atomic ratio of niobium or tantalum atoms in alloy targets or mosaic targets, sputtering voltage (DC or pulse), sputtering power density, heating temperature, sputtering time, and sample stage bias (DC or Pulse), the pressure of the argon gas in the vacuum chamber, and the rotation speed of the sample stage.
- Argon and nitrogen are simultaneously introduced into the vacuum chamber, and the sputtered target atoms react with the nitrogen to form a titanium nitride film containing tantalum or niobium.
- Parameters that control film properties include: the atomic ratio of niobium or tantalum atoms in alloy targets or mosaic targets, sputtering voltage (DC or pulse), sputtering power density, heating temperature, sputtering time, sputtering pressure, sample stage bias Pressure (DC or pulse), the pressure of the argon and nitrogen gas in the vacuum chamber to obtain a titanium nitride film containing tantalum or niobium.
- Performing specific oxidation treatment on the films synthesized by the above methods 1) and 2) can obtain tantalum or Niobium-doped titanium oxide film or titanium oxide / titanium nitride composite film.
- the oxidation method can be the following two:
- the alloy film is oxidized to obtain tantalum or niobium doped titanium oxide film.
- Parameters that control film properties include: oxygen pressure, heating temperature, oxidation time, and the percentage of niobium or tantalum atoms in tantalum-titanium or niobium-titanium alloy films.
- A. Plasma oxidation placing a workpiece (artificial organ) coated with a titanium-tantalum or titanium-niobium alloy film in a vacuum chamber of a plasma ion implantation device, filling a certain pressure of oxygen, and using radio frequency or microwave discharge to generate oxygen Plasma.
- the workpiece (artificial organ) is immersed in an oxygen plasma atmosphere, the workpiece is heated, and a certain DC or pulse negative voltage is applied to the workpiece.
- the surface of the workpiece is oxidized by plasma oxidation to obtain tantalum or niobium doped Titanium oxide film.
- Parameters that control film performance include: oxygen pressure, oxygen plasma density, heating temperature, negative voltage amplitude applied to the artificial organ, plasma oxidation time, pulse negative voltage repetition frequency, pulse width, titanium-tantalum or titanium-niobium Composition of alloy film.
- niobium or tantalum doped titanium oxide film Argon and oxygen are simultaneously introduced into the vacuum chamber, and a pulsed negative voltage is applied to the sputtering target.
- the sputtered target atoms react with oxygen to form a niobium or tantalum doped titanium oxide film.
- Parameters that control film properties include: the atomic ratio of niobium or tantalum atoms in alloy targets or mosaic targets, sputtering pulse voltage, sputtering power density, pulse frequency, pulse width, substrate heating temperature, sputtering time, sample stage pulses Bias voltage, pulse frequency, pulse width, pressure of argon and oxygen gas in the vacuum chamber, and rotation speed of the sample stage.
- Niobium pentoxide, titanium dioxide, or tantalum pentoxide and titanium dioxide ceramics are used as sputtering targets.
- a certain pressure of argon or xenon is passed into the vacuum chamber, and an argon or xenon plasma is formed by radio frequency.
- a tantalum or niobium-doped titanium oxide film is synthesized on the surface of the artificial organ. Parameters that control film performance include: RF power, argon or xenon gas pressure, RF voltage, sample heating temperature, sputtering time, composition of niobium pentoxide-titanium dioxide or tantalum pentoxide-titanium dioxide ceramic target, and sample stage bias ( Pulse or DC), sample stage spinning speed.
- the present invention adopts the Ti0 2 —x film and the hydrogen-doped, tantalum- or niobium-doped titanium oxide film or the Ti0 2 / Ti- N-0 / TiN gradient film synthesized by the method described above.
- the advantages are:
- the synthesized film has excellent blood compatibility.
- For artificial organs with complex shapes it can realize all-round modification of the artificial organ, which is uniform and reliable, and can realize industrial applications.
- the blood compatibility of these titanium oxide films is significantly superior.
- the best internationally recognized artificial heart valve material used in clinical practice-pyrolytic carbon the composition of the modified layer is easy to control, has good repeatability, high reliability, and high bonding strength with the surface of the workpiece (artificial organ).
- the blood compatibility, corrosion resistance, and abrasion resistance of the workpiece (artificial organ) obtained by the method of the present invention are comprehensively improved.
- the drawings of the invention are explained as follows:
- FIG. 1 is a schematic view of a vacuum chamber of a plasma immersion ion implanter (PI) used in the present invention
- FIG. 2 is a schematic diagram of a vacuum chamber of a radio frequency magnetron sputtering table used in the present invention
- Figures 4 (a) and 4 (b) are respectively the platelet adhesion status on the film material synthesized by the present invention and the comparison with the platelet adhesion status on the pyrolytic carbon surface;
- FIG. 5 (a) shows the adhesion state of blood cells on the surface of the animal after being implanted in the animal using the synthesized thin film material
- Figure 5 (b) 5 (c) shows the adhesion of blood cells on the surface of pyrolytic carbon
- FIG. 6 (a) shows the condition of the formation of a thrombus on the surface of a commercial artificial heart valve with a surface modified by using the film material synthesized in the present invention
- Figure 6 (b) shows the formation of a thrombus on the surface of an animal without a surface-modified prosthetic heart valve
- Fig. 7 is a comparison of the wear characteristics of the titanium artificial heart valve material after surface modification using the film material synthesized by the present invention and the wear characteristics of the unmodified titanium artificial heart valve material.
- FIG. 1 is a plasma immersion ion implanter (PI) used in the present invention.
- the ion implanter includes: vacuum chamber 1, cathode 2, cathode arc source 3, deflection coil 4, scanning coil 5, table 6, work piece (artificial organ or other organic or inorganic material) 7, filament power supply 8, radio frequency power supply 9.
- a plasma immersion ion implantation method can be used to prepare oxygen-deficient Ti0 2 _ x films, Ti0 2 _ x / Ti- N-0 / TiN gradient films, hydrogen-doped titanium oxide films, and doped niobium or tantalum elements. Titanium oxide film.
- Oxygen-deficient Ti0 2 — x films and Ti0 2 — X / Ti- N-0 / TiN gradient films were prepared using the P ⁇ method.
- Embodiment 1 A workpiece (artificial organ) 7 is placed on a workbench 6 in a vacuum chamber 1 of the PI II apparatus of FIG. 1, and titanium is used as a cathode material 2 to be mounted on a cathode of a metal cathode arc plasma source 3.
- the parameters that control the properties of the thin film include: titanium metal plasma density 10 8-10 12 cm — 3 , oxygen plasma density 10 8-10 12 cm — 3 , titanium deposition rate on the surface of the workpiece 0.1 to 1 nm / s, vacuum oxygen pressure chamber 10-3 to 1 Pa, and the negative high voltage pulse repetition frequency of 500 to 50,000 Hz, pulse width l (s, a negative pulse voltage amplitude of 0.1 ⁇ 20 ⁇ 10 kV.
- Example 2 Place a workpiece (artificial organ) 7 on the inner workbench 6 of the PIII device of FIG. 1, first synthesize a TiN film in the first stage, and use titanium as a cathode material 2 to install it on a metal cathode arc plasma
- the cathode of source 3. Evacuate to 1 x 1 ( ⁇ 4 Pa, pass nitrogen into the vacuum chamber 1, turn on the RF power source 10 (or sine wave power source) to generate nitrogen plasma, turn the switch 11 to the high-voltage pulse power source 13, and apply it on the workbench.
- Ti0 2 _ x / Ti- N-0 / TiN can be obtained according to three implementation methods shown in Table 2.
- Gradient film The parameters that control the properties of the film are: titanium metal plasma density 10 8 ⁇ 10 12 cm- 3 , nitrogen plasma density 10 8 ⁇ 10 12 cm — 3 , oxygen plasma density 10 8- 10 12 The centimeter - 3, the deposition rate of the titanium surface of the prosthesis 0.
- the film described in Example 1), 2) obtained was placed in the apparatus of Figure 1 PIII vacuum chamber was evacuated to 10-4 to 10-1 Pa, heated to 100 to 800 degrees, incubated 0.1 to 2 hours annealing.
- the X value of the synthesized Ti0 2 _ x film is 0.05 05.35, the typical structure is rutile crystal, the thickness of the film is 0.05 to 5 ⁇ ⁇ , and the thickness of the gradient transition layer of the film is 10 to 100 belly.
- Embodiment 3 First, a workpiece (artificial organ) 7 is placed on the sample stage 6 of the vacuum chamber 1 of the plasma immersion ion implanter shown in FIG. 1, and titanium dioxide is deposited on the surface of the artificial organ by a process similar to that of Examples 1 and 2.
- film or Ti0 2 / Ti- N- O / TiN film gradient, the parameters shown in Table III was prepared, and then evacuated to a pressure less than 10-3 Pa, with hydrogen, heated prosthesis 7, the switch 11 is allocated to a low voltage pulsed power supply 12 , Apply-0. 05 ⁇ -5 kV pulse voltage on artificial organ 7 to turn on the RF power
- the source 9 or the microwave discharge power source 10 generates a hydrogen plasma using radio frequency discharge or microwave discharge. After the plasma is hydrogenated for 0.1 to 2 hours, a hydrogen-doped titanium oxide film or a Ti0 2 / Ti-N- O / TiN gradient film is obtained. .
- Table 4 can be obtained according to the four implementation methods shown in Table 4.
- Parameter control film properties is the hydrogen pressure (10-3 to 10 Pa), the hydrogen plasma density (10 8 to 10 12 cm --3), a heating temperature (100 to 600 degrees), the discharge voltage (-0.2 to -5 one thousand Volts), discharge current (0.1 to 5 amps), hydrogenation time (0.1 to 2 hours).
- the Ti-N-0 / TiN gradient film has a hydrogen atom content of 10% to 35%.
- Example 4 A workpiece (artificial organ) 7 coated with a titanium dioxide or Ti0 2 / Ti-N-0 / TiN gradient film on the surface is placed on the sample stage 6 of the vacuum chamber 1 of the plasma immersion ion implanter shown in FIG. 1 evacuated to a pressure less than 10-4 Pa, hydrogen gas was filled, the switch 11 is allocated to the high-voltage pulse power supply 13, a negative high voltage pulse is applied, a radio frequency power source 9 is opened or a microwave discharge power supply 10 on the prosthesis 7, using a radio frequency discharge or microwave Discharge generates hydrogen plasma, and plasma immersion ion implantation
- the surface of the organ 7 is implanted with high energy hydrogen ions to form a titanium oxide surface modification layer.
- the hydrogen-containing titanium oxide film or Ti0 2 / Ti-N-0 / TiN gradient film can be obtained according to four implementation methods shown in Table 5.
- Parameter control film properties are a hydrogen pressure of the vacuum chamber 10-3 to 10 Pa, the plasma density hydrogen 108--1012 cm - 3 and a hydrogen ion implantation dose of 10 15 ⁇ 1.2X 10 18 atoms / cm 2, the negative high voltage pulse repetition The frequency is 50- 20000 Hz, the pulse width is 1-200 s, and the amplitude of the pulse negative voltage is 1-100 kV.
- the artificial organ 7 processed by the above method is then vacuum-annealed by the apparatus shown in FIG.
- the vacuum chamber 1 is evacuated.
- the prosthesis 6 7 heated by the sample stage 100.
- - 400 degrees, 0.1 to 2 hours after the vacuum annealing hydrogen can be synthesized titanium oxide film or a hydrogen-containing Ti0 2 / Ti- N-0 / TiN gradient film, in which the hydrogen atom content is 10% to 35%.
- Example 5 A workpiece (artificial organ) 7 coated with a titanium oxide film or a Ti0 2 / Ti- N-0 / TiN gradient film on the surface is placed on a sample stage 6 in a vacuum chamber 1 of a PIII device as shown in FIG. 1.
- Real hydrogen pulse electric pulse voltage pulse electric pulse electric pulse pulse hydrogen plasma hydrogen ion pressure pressure (thousands (kV) and pressure (thousands of pressure (thousand width frequency daughter body dense dose (original square (Pa) volts) and working hours volts) and working volts) and ( ⁇ ) (He degrees promoter / cm 2) hereby when making time (hours) for the date method) (cm --3)
- the concentration in the film is uniformly distributed along the thickness direction of the film, and titanium hydroxide-containing films or hydrogen-containing Ti0 2 / Ti- N-0 / TiN gradient films can be obtained according to three implementation methods shown in Table 7.
- the control parameter is the hydrogen-containing film properties of the vacuum chamber a hydrogen pressure of 10 ⁇ 10-2.
- the pulse repetition frequency of the negative high voltage is 50-20000 Hz, and the hydrogen ion implantation dose is 10 1 £ i ⁇ 10 18 atoms / cm 2 .
- the density of the hydrogen plasma is 10 8 ⁇ 10 12 cm — 3 , the pulse width is 2 to 200 ⁇ 8, the amplitude of the pulse negative voltage is 1 to 100 kV, the number of times of multiple ion implantation is 2 to 10 times, and the time of each implantation is 0.1 to 2 hour.
- Artificial Organs using the above method and then using the apparatus 7 shown in Figure 1 for vacuum annealing, the vacuum chamber 1 is evacuated to 10-4 - 10-1 Pa, the prosthesis 6 7 sample stage 100 is heated to ⁇ Vacuum annealing at 400 ° C for 0.1 to 2 hours.
- the annealing examples are shown in Table 6.
- the hydrogen atom content of the synthesized titanium hydroxide film is 10%-35%.
- Tantalum or niobium-doped titanium dioxide thin film is synthesized by using a PIII device, and the following embodiments can be adopted:
- Example 6 Place a workpiece (artificial organ) 7 coated with a titanium dioxide film on the workbench 6 in the vacuum chamber 1 of the PIII device of FIG. 1, use tantalum or niobium as the cathode material 2, and install it on a metal cathode arc plasma The cathode of the body source 3.
- the switch 11 is allocated to the high-voltage pulse power supply 13, the metal cathode lone source 3 is opened, to open the lead-out metal cathode arc source a magnetic deflection of the outer rings of the conduit 5 and a scanning coil power source 4 in A certain pulsed negative voltage is applied to the workpiece table, and tantalum or niobium metal plasma is introduced into the vacuum chamber. Under the action of the pulsed negative voltage, the tantalum or niobium ions are bombarded and injected into the surface of the artificial organ 7, as shown in Table 8.
- One implementation method results in a niobium or tantalum doped titanium oxide film.
- the parameters that control the properties of the film are: tantalum or niobium metal plasma density 10 8 ⁇ 10 12 cm- 1 , tantalum or niobium injection dose 10 15 ⁇ 5 ⁇ 10 17 atoms / cm 2 , pulse negative high voltage repetition frequency 100-20000 Hz, pulse width 1 20 ( ⁇ s, a negative voltage pulse amplitude of 1 to 100 kV through the prosthesis and then using the above-described processing apparatus shown in FIG. 1 for vacuum annealing, the vacuum chamber 1 is evacuated to 10- 4 - 10- 1 Pa, heat the artificial organ 7 to 100 to 800 degrees with the sample stage 6, and hold the heat for 0.1 to 2 hours for vacuum annealing. Table eight
- Embodiment 7 Place a workpiece (artificial organ) 7 on the workbench 6 in the vacuum chamber 1 of the PIII device of FIG. 1, and use titanium, tantalum or titanium, a niobium alloy as the cathode material 2 and install it on a metal cathode arc plasma source. 3 cathode.
- Parameters controlling the properties of the film include: titanium, tantalum or titanium, the composition of the niobium binary metal cathode material, the atomic ratio of niobium or tantalum atoms to titanium is 0.5: 100 ⁇ 10: 100, binary metal density of titanium, tantalum or titanium, niobium 10 8-10 12 cm — 3 , oxygen plasma density 10 8-10 12 cm — 3 , oxygen pressure in vacuum chamber 10 — 3 ⁇ 10 Pa, pulse negative High voltage repetition frequency 10 0-20000 Hz, pulse width 1-20 (Vs, pulse negative voltage amplitude 0.1 to 20 kV.
- the above-described method of obtaining tantalum or niobium doped titanium oxide film is placed ⁇ apparatus of FIG. 1 in the vacuum chamber was evacuated to 10-4--10-1 Pa, heated to 100--800 ° for 0.1 to 2 hours Vacuum annealing treatment.
- FIG. 2 shows a schematic view of the vacuum chamber of a radio frequency magnetron sputtering station used in the present invention.
- doped titanium dioxide films can be prepared by magnetron sputtering ion plating.
- the magnetron sputtering table in Figure 2 includes: Workbench (sample stage) 6.
- Workpiece artificial organ or other organic or inorganic material
- Pulse or RF power supply 14 DC power supply 15, target platform 1 €, transfer switch 17, ⁇ 18 and bias power supply 19.
- Embodiment 8 First, a niobium-titanium or tantalum-titanium alloy target or a mosaic target is mounted on a target stage 16 of a magnetron sputtering apparatus, and a workpiece (artificial organ) 7 is placed on a sample stage 6 and the vacuum chamber is evacuated to 1 x 10- 4 Pa, heated prosthesis 7, the cylinder 18 is opened, argon gas into the vacuum chamber, the argon gas pressure was 0.01 10 Pa, the dial switch 17 to the pulse power source 14 or a DC power supply 15, the target A DC or pulsed negative voltage is applied to the stage 16 to form an argon plasma.
- a niobium-titanium or tantalum-titanium alloy target or a mosaic target is mounted on a target stage 16 of a magnetron sputtering apparatus, and a workpiece (artificial organ) 7 is placed on a sample stage 6 and the vacuum chamber is evacuated to 1 x 10- 4 Pa, heated prosthesis 7, the
- Parameters that control the properties of alloy films include: The ratio of niobium atom or tantalum atom to titanium atom is
- FIG. 3 is a schematic diagram of a vacuum quartz tube used in the present invention.
- Fig. 3 shows a vacuum quartz tube heating furnace used in the present invention, which is used for thermal oxidation treatment and plasma oxidation treatment.
- the vacuum quartz tube heating includes: a workpiece (sample) placed therein, a vacuum system 20, an electric furnace 21, an inflation system 22, and a quartz tube 23, and the working modes thereof are:
- plasma oxidation treatment plated with titanium - Ta or Ti - Nb alloy thin film 7 of the prosthesis placed in a plasma apparatus shown in Figure 1 on the sample stage 6 is evacuated to a 1 X 10 4 Pa, the charge Inject oxygen, turn on the RF power source 9 (or microwave power source 10) to generate oxygen plasma.
- the artificial organ 7 is immersed in the oxygen plasma atmosphere, heating the artificial organ 7, turning on the low-voltage pulse power source 12, and applying a certain amount of power on the artificial organ 7.
- a tantalum or niobium-doped titanium dioxide film can be obtained by the plasma oxidation process according to three oxidation methods shown in Table 11.
- the parameters that control the performance of the film are oxygen pressure of 0.01 to 10 Pa, oxygen plasma density of 10 8 to 10 12 cm— 3 , heating temperature of 100 600 degrees, pulse negative voltage amplitude of 0.2 to 3 kV, plasma oxidation
- the time is 5 minutes to 2 hours, the pulse high-voltage repetition frequency is 1000-20000 Hz, and the pulse width is 2 to 200 s.
- Embodiment 9 A titanium nitride film containing niobium or tantalum is first obtained, and then a niobium or tantalum doped titanium oxide film is formed on the surface by oxidation.
- the niobium - titanium or tantalum - titanium target or mosaic targets mounted on a target stage 16 of the magnetron sputtering apparatus, prosthesis 7 placed on the sample stage 6, the vacuum chamber was evacuated to IX 10- 4 Pa, heated Artificial Organs 7, open the cylinder group 18, pass argon and nitrogen into the vacuum chamber, set the switch 17 to pulse power 14 or DC current 15, apply a certain pulse or negative DC high voltage on the target 16 to form argon, nitrogen plasma Under the action of a negative voltage, argon ions bombard a titanium-niobium or titanium-tantalum target to produce titanium, niobium atoms, or titanium and tantalum atoms, which are deposited on the artificial organ 7 and combine with the nitrogen atoms to form a nitride
- the bias power source 19 is turned on, and a certain pulse or a DC negative bias voltage is applied to the sample stage 6.
- Tantalum or niobium can be obtained according to the methods shown in Tables 12 and 13. Thin film of titanium nitride. Parameters that control film properties include: Niobium atoms
- An artificial oxidation treatment of a titanium nitride film containing tantalum or niobium deposited on the surface can obtain a niobium or tantalum doped titanium oxide film.
- Embodiment 10 A niobium or tantalum doped titanium oxide film is obtained by pulse sputtering.
- the embodiment is to first mount a niobium-titanium or tantalum-titanium alloy target or a mosaic target on the target platform of a magnetron sputtering device.
- a titanium-niobium or titanium-tantalum target produces titanium, niobium atoms or titanium and tantalum atoms deposited on the artificial organ 7 and combines with oxygen atoms to form a titanium oxide film containing niobium or tantalum.
- Titanium oxide films containing tantalum or niobium can be obtained according to three implementation methods shown in Table 14. Control film
- Performance parameters include: alloy target or mosaic target with a ratio of niobium atom or tantalum atom to titanium atom of 0.5: 100 10: 100, pulse voltage applied to the target -300 ⁇ -1000V, frequency 10000 ⁇ 50000 Hz, pulse width 1 - 60 ⁇ 8, the sputtering power density of 1-15 watts / cm 2, the sample is heated at 20 500 degrees, the sputtering time of 0.1 to 2 hours, and the argon gas pressure of 0.01 to 2 Pa, and the oxygen pressure of 0.01 to 2 Pa, the sample stage pulse bias 0 ⁇ -5000 volts, pulse width 1-100 ⁇ , frequency 5000 ⁇ 50000 Hz, rotation speed of sample stage 1 ⁇ 100 rpm.
- Embodiment 11 Using a niobium pentoxide-titanium dioxide or a tantalum pentoxide-titanium dioxide ceramic target, a niobium or tantalum doped titanium oxide film is prepared by radio frequency sputtering, and a niobium pentoxide-titanium dioxide or tantalum pentoxide-titanium dioxide ceramic is used.
- magnetron sputtering apparatus on a target on a target table 16, prosthesis 7 placed on the sample stage 6, evacuated to IX 10- 4 Pa, heated human Industrial organ 7, open the gas cylinder 18, pass in argon gas, the pressure of argon gas is 0.01 to 10 Pa, turn the switch 17 to the RF power source 14, apply a certain RF voltage on the target 16 to form an argon plasma
- Tantalum or niobium doped titanium oxide films can be synthesized on the surface of artificial organs by sputtering according to three implementation methods shown in Table 15. Parameter control film properties are: a radio frequency power of 1 to 10 W / cm 2, 10 a working gas pressure of 2 to 10 Pa, the sample heating temperature of 100 to 600 degrees, the sputtering time 0.1 to 3 hours.
- FIGs 4 (a) and (b) the platelet adhesion status on the thin film material synthesized by the method of the present invention and the small blood adhesion status on the pyrolytic carbon surface are shown respectively.
- the white particles represent platelets adhered to the material. Comparing Figs. 4 (a) and 4 (b), it can be found that the number of platelets on Fig. 4 (a) is significantly less than the number of platelets on Fig. 4 (b). The capacitance is significantly better than the blood compatibility of the pyrolytic carbon material of Fig. 4 (b).
- Fig. 5 (a) shows the adhesion state of blood cells on the surface after the membrane material synthesized by the method of the present invention is implanted in an animal
- Fig. 5 (b) and 5 (c) show the adhesion state of blood cells on the surface of pyrolytic carbon.
- FIG results (photograph) the test animals are dogs, the substrate is a titanium-doped tantalum film Ti0 2 test piece and comparative test piece pyrolytic carbon is suspended in the same dog right atrium two weeks, the implant During this period, the dog was not treated with any anticoagulant drug. Two weeks later, under normal living conditions, the dog was taken out by anesthesia, the surface was dried at the critical point, and it was observed under an electron microscope.
- 3 ⁇ 4 6 (a) and (b) are the status of thrombus formation on the surface of a stent animal of a commercial artificial heart valve that has been surface-modified with the synthetic thin film material of the present invention, and the artificial surface with non-surface modification. Comparison of the formation of thrombus on the surface of valvular animals with heart valves.
- Animal Dog
- Sample The membrane surface modified artificial heart valve annulus and the non-surface modified artificial heart valve annulus were suspended in the right atrium of the dog during the implantation. After three months of treatment, the dogs were anesthetized under normal survival conditions, and the samples were surgically removed.
- Figure 6 (b) The formation of a thrombus on the surface of a non-surface modified artificial heart valve after its implantation in an animal. It can be seen that the surface frame of the artificial heart valve modified by the film material synthesized by the present invention has little thrombus on the surface after being implanted in the animal, and the surface thrombus of the surface frame of the artificial heart valve that has not been modified has Cover the entire annulus.
- FIG. 7 is a comparison of the wear characteristics of a titanium artificial heart valve material after surface modification with the film material synthesized by the present invention and the wear characteristics of an unmodified titanium artificial heart valve material. It can be seen that the wear characteristics of the titanium artificial heart valve material after the surface modification of the synthetic thin film material of the present invention is far superior to the unmodified titanium artificial heart valve material.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dermatology (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Medicinal Chemistry (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU24995/01A AU2499501A (en) | 1999-12-23 | 2000-12-25 | Method for forming a TIO2-x film on a material surface by using plasma immersion ion implantation and the use thereof |
CNB00817704XA CN100491582C (zh) | 1999-12-23 | 2000-12-25 | 用等离子体浸没离子注入方法在材料表面形成TiO2-x薄膜的方法及其应用 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99117468.2 | 1999-12-23 | ||
CNB991174682A CN1158403C (zh) | 1999-12-23 | 1999-12-23 | 一种人工器官表面改性方法 |
Publications (2)
Publication Number | Publication Date |
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WO2001048262A1 true WO2001048262A1 (fr) | 2001-07-05 |
WO2001048262A8 WO2001048262A8 (fr) | 2002-03-14 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/CN2000/000728 WO2001048262A1 (fr) | 1999-12-23 | 2000-12-25 | Procede d'obtention d'un film tio2-x sur la surface d'un materiau faisant appel a un procede d'implantation non ionique par immersion plasma (iiip) et ses applications |
Country Status (4)
Country | Link |
---|---|
US (1) | US20030175444A1 (zh) |
CN (1) | CN1158403C (zh) |
AU (1) | AU2499501A (zh) |
WO (1) | WO2001048262A1 (zh) |
Cited By (4)
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CN100404724C (zh) * | 2004-12-20 | 2008-07-23 | 北京师范大学 | 人体植入金属材料表面离子注入处理方法 |
CN107851546A (zh) * | 2015-08-04 | 2018-03-27 | 艾克塞利斯科技公司 | 高产量的冷却离子注入系统及方法 |
CN113308708A (zh) * | 2021-04-15 | 2021-08-27 | 中国工程物理研究院材料研究所 | 一种金属钛活化方法、及活化金属钛及应用 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US8470019B1 (en) * | 2001-11-30 | 2013-06-25 | Advanced Cardiovascular Systems, Inc. | TiNxOy modified surface for an implantable device and a method of producing the same |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902250C1 (en) * | 1989-01-26 | 1990-02-01 | Aesculap Ag, 7200 Tuttlingen, De | Surgical instrument for laser surgery |
CN1061051A (zh) * | 1990-11-01 | 1992-05-13 | 中国科学院上海冶金研究所 | 离子束增强沉积合成氮化钛薄层的方法 |
CN1137070A (zh) * | 1995-05-31 | 1996-12-04 | 西南交通大学 | 用离子束增强沉积在人工器官表面合成TiO2-X/TiN复合膜 |
CN1206750A (zh) * | 1997-07-24 | 1999-02-03 | 西南交通大学 | 一种心血管系人工器官表面改性技术 |
CN1212026A (zh) * | 1996-01-05 | 1999-03-24 | 比夫巴·范德斯特拉登E | 溅射靶及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3039821A1 (de) * | 1980-10-22 | 1982-06-03 | Robert Bosch Gmbh, 7000 Stuttgart | Mehrschichtsystem fuer waermeschutzanwendung |
USRE32111E (en) * | 1980-11-06 | 1986-04-15 | Fansteel Inc. | Coated cemented carbide bodies |
US4451236A (en) * | 1983-08-11 | 1984-05-29 | Tarasov Jury A | Dental prosthesis and method for making same |
JPS60238481A (ja) * | 1984-05-14 | 1985-11-27 | Sumitomo Electric Ind Ltd | 多重層被覆超硬合金 |
US5342283A (en) * | 1990-08-13 | 1994-08-30 | Good Roger R | Endocurietherapy |
US5580429A (en) * | 1992-08-25 | 1996-12-03 | Northeastern University | Method for the deposition and modification of thin films using a combination of vacuum arcs and plasma immersion ion implantation |
US5330800A (en) * | 1992-11-04 | 1994-07-19 | Hughes Aircraft Company | High impedance plasma ion implantation method and apparatus |
US6051114A (en) * | 1997-06-23 | 2000-04-18 | Applied Materials, Inc. | Use of pulsed-DC wafer bias for filling vias/trenches with metal in HDP physical vapor deposition |
US6572933B1 (en) * | 1997-09-24 | 2003-06-03 | The Regents Of The University Of California | Forming adherent coatings using plasma processing |
US6087261A (en) * | 1997-09-30 | 2000-07-11 | Fujitsu Limited | Method for production of semiconductor device |
JP4351755B2 (ja) * | 1999-03-12 | 2009-10-28 | キヤノンアネルバ株式会社 | 薄膜作成方法および薄膜作成装置 |
US6252741B1 (en) * | 1999-05-11 | 2001-06-26 | Greenleaf Technologies | Thin film magnetic recording head with treated ceramic substrate |
JP2001011622A (ja) * | 1999-06-23 | 2001-01-16 | Sony Corp | 絶縁物の表面処理方法、プリンタヘッド及び記録媒体用基材 |
US6348373B1 (en) * | 2000-03-29 | 2002-02-19 | Sharp Laboratories Of America, Inc. | Method for improving electrical properties of high dielectric constant films |
US20050061251A1 (en) * | 2003-09-02 | 2005-03-24 | Ronghua Wei | Apparatus and method for metal plasma immersion ion implantation and metal plasma immersion ion deposition |
-
1999
- 1999-12-23 CN CNB991174682A patent/CN1158403C/zh not_active Expired - Fee Related
-
2000
- 2000-12-25 AU AU24995/01A patent/AU2499501A/en not_active Abandoned
- 2000-12-25 US US10/168,500 patent/US20030175444A1/en not_active Abandoned
- 2000-12-25 WO PCT/CN2000/000728 patent/WO2001048262A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902250C1 (en) * | 1989-01-26 | 1990-02-01 | Aesculap Ag, 7200 Tuttlingen, De | Surgical instrument for laser surgery |
CN1061051A (zh) * | 1990-11-01 | 1992-05-13 | 中国科学院上海冶金研究所 | 离子束增强沉积合成氮化钛薄层的方法 |
CN1137070A (zh) * | 1995-05-31 | 1996-12-04 | 西南交通大学 | 用离子束增强沉积在人工器官表面合成TiO2-X/TiN复合膜 |
CN1212026A (zh) * | 1996-01-05 | 1999-03-24 | 比夫巴·范德斯特拉登E | 溅射靶及其制备方法 |
CN1206750A (zh) * | 1997-07-24 | 1999-02-03 | 西南交通大学 | 一种心血管系人工器官表面改性技术 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100404724C (zh) * | 2004-12-20 | 2008-07-23 | 北京师范大学 | 人体植入金属材料表面离子注入处理方法 |
WO2006074604A1 (en) * | 2005-01-13 | 2006-07-20 | Versitech Limited | Surface treated shape memory materials and methods for making same |
CN107851546A (zh) * | 2015-08-04 | 2018-03-27 | 艾克塞利斯科技公司 | 高产量的冷却离子注入系统及方法 |
CN107851546B (zh) * | 2015-08-04 | 2020-11-24 | 艾克塞利斯科技公司 | 高产量的冷却离子注入系统及方法 |
CN113308708A (zh) * | 2021-04-15 | 2021-08-27 | 中国工程物理研究院材料研究所 | 一种金属钛活化方法、及活化金属钛及应用 |
Also Published As
Publication number | Publication date |
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WO2001048262A8 (fr) | 2002-03-14 |
AU2499501A (en) | 2001-07-09 |
CN1158403C (zh) | 2004-07-21 |
CN1300874A (zh) | 2001-06-27 |
US20030175444A1 (en) | 2003-09-18 |
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