WO2013164409A1 - Dispositif de découpe d'os au jet - Google Patents

Dispositif de découpe d'os au jet Download PDF

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Publication number
WO2013164409A1
WO2013164409A1 PCT/EP2013/059156 EP2013059156W WO2013164409A1 WO 2013164409 A1 WO2013164409 A1 WO 2013164409A1 EP 2013059156 W EP2013059156 W EP 2013059156W WO 2013164409 A1 WO2013164409 A1 WO 2013164409A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
pressure jet
jet
nozzle
beam cutting
Prior art date
Application number
PCT/EP2013/059156
Other languages
German (de)
English (en)
Inventor
Andreas KENDLBACHER
Original Assignee
Kendlbacher Andreas
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kendlbacher Andreas filed Critical Kendlbacher Andreas
Publication of WO2013164409A1 publication Critical patent/WO2013164409A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3203—Fluid jet cutting instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1644—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00004—(bio)absorbable, (bio)resorbable, resorptive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00544—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1644—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid
    • A61B2017/1648—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans using fluid other than turbine drive fluid as cutting jet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320004—Surgical cutting instruments abrasive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3203—Fluid jet cutting instruments
    • A61B2017/32035—Fluid jet cutting instruments with gas or air

Definitions

  • the present invention relates to an apparatus for jet cutting of bone chen.
  • DE 10 2004 060 238 A1 discloses an apparatus and a method for cutting and surface treatment of solid materials by means of water jets, in particular for the medical-surgical field.
  • the water jet can be mixed with abrasives, whereby the use of abrasives for reasons of hygiene is not intended for the medical-surgical field.
  • DE 199 046 40 A1 discloses a method for separating or removing a biological structure, in particular bones with a water-jet cutting system.
  • the separation medium is in this case applied pulsating to the biological structure.
  • WO 02/085 223 discloses a separating device for bone tissue.
  • the separation device is designed to generate a high-pressure fluid jet.
  • a high-pressure fluid jet a water jet is provided, which has an addition of an abrasive to increase the cutting power, with the human bone tissue along a predetermined by means of a control unit, cut surface is separable.
  • WO 03/053 397 A1 discloses an apparatus and a method for the jet cutting of human or animal body tissue, in particular bone tissue.
  • the jet cutting takes place by means of a fluid jet.
  • the fluid jet is supplemented with a body-compatible and at the same time pharmacologically acceptable abrasive.
  • an essentially biodegradable abrasive which is intended to dissolve in the body through a corrosion process, a high removal of material and at the same time high body compatibility can be achieved. This occurs regardless of the solubility of the abrasive in the fluid.
  • a whereabouts of the abrasive should be harmless to the body tissue.
  • the abrasive which consists of essentially biodegradable constituents, may be formed, for example, as a magnesium alloy, wherein the abrasive removal of the fluid jet is to be increased by the abrasive.
  • EP 1 676 535 A1 describes a surgical abrasive jet cutting system.
  • the system uses a high-pressure fluid jet mixed with abrasive particles.
  • the high-pressure fluid jet is formed from a saline solution.
  • abrasive particles organic materials are preferably used, in particular biocompatible and bioabsorbable particles having a size of 5 ⁇ to 200 ⁇ . In paragraph many examples of bioabsorbable and biocompatible particles are given.
  • WO 2007/106053 A2 discloses a pressure jet dissector.
  • This has a device for providing a gaseous pressure jet.
  • the pressure jet is made of compressed air and passes through a microfilter to the compressed air of particulates, in particular of airborne oil and water.
  • a 4C ⁇ filter, a 5 ⁇ ⁇ , a 0.1 ⁇ filter and a 0.01 ⁇ filter may be provided to further remove bacteria and viruses contained in the compressed air as well as in the device , In this way, sterile air should be provided.
  • the compressed air jet is then discharged from a nozzle.
  • the dissector is used to perform brain surgery.
  • a blasting medium for example sand, but usually other materials such as blast furnace slag, glass granules, corundum, steel, plastic granules, nut shells, soda or ice crystals, are blown onto objects in order to remove them from rust, paint, Freeing ridge or the like or roughening them.
  • a jet boiler is provided, which is connected via a blasting hose with a jet nozzle.
  • special venturi jet nozzles are used as jet nozzles.
  • the object of the present invention is to provide an apparatus and a method for beam cutting of bone, in which cutting the hard
  • an apparatus for beam cutting of bones comprises a device for providing a gaseous pressure jet and a device for adding particles to the pressure jet, wherein the particles are accelerated by the pressure jet to a particle beam, and a nozzle for discharging the particle beam, wherein the particles are formed of a biodegradable abrasive.
  • Biodegradable abrasives are bioresorbable and / or biodegradable abrasives.
  • the device according to the invention makes it possible to remove bone structures without having to dispose of soft tissues, e.g. Vessels, muscles, ligaments, dura, etc. may be damaged during treatment.
  • the fact that soft tissues are not damaged during treatment with the device according to the invention is due to the fact that hard surfaces, such as e.g. Bone, the total beam energy of the particles causes a removal, whereby in soft structures, the beam energy is significantly attenuated by an insulating effect (cushioning effect).
  • the kinetic energy of the blasting material is attenuated by the soft structure, whereby hard structures (bones) can be precisely, quickly and effectively ablated.
  • Bioresorbable and / or biodegradable polymers can be used as abrasives. If these bioresorbable polymers remain in the body after treatment, they self-dissolve or resorb after some time. Such bioresorbable polymers have been used successfully in medicine for many years. For example, screws made of bioresorbable polymer are available under the trade name Lactosorp.
  • a bioresorbable abrasive means a substance which can be decomposed by the human organism or is absorbable and degradable in a relatively short time.
  • a biodegradable abrasive means a substance that is broken down by the human body but not decomposed. Until such a substance is eliminated from the human body, it may take longer than a bioabsorbable substance.
  • the particles preferably comprise lactic acid polymer and / or glycolic acid polymer.
  • the particles have a size of up to 300 ⁇ and preferably of up to 200 ⁇ , in particular up to 150 ⁇ on.
  • Bioresorbable polymers are designed such that they are degraded by hydrolysis in the human body.
  • the selection of suitable ingredients for biodegradable polymers is determined by the degradability of the polymer by markophages to avoid body defenses. The choice of ingredients has a great influence on the mechanical properties and the absorption profile of the polymer.
  • the polymer Lactosorb SE (82% L-lactic acid and 18% glycolic acid) differs from a co-polymer of L-lactic acid and glycolic acid by a different mixing ratio.
  • one of the carbon atoms of L (or Dl-lactic acid has a large methyl group, while the corresponding carbon atom of glycolic acid has a small hydrogen atom.)
  • the large methyl group hinders the hydrolysis, while the small hydrogen atom can not prevent water molecules, the polymer chain
  • the polymer tends to be less crystalline, and a balanced amount of glycolic acid in the polymer chain of the lactic acid serves to balance crystallinity and rate of absorption.
  • Lactic acid, resorbable materials may have differences in crystalline and amorphous properties, and control of these properties is controlled by the order of the molecules in the final product.
  • a polymer solidifies very rapidly, the atoms that are in a random position can not come into the required position, making the solid polymer amorphous.
  • the mechanical properties of a polymer are different due to different processing techniques. Compared to an amorphous region, a crystalline region is densely packed, thus hindering hydrolytic attack.
  • a crystalline polymer of L-lactic acid will persist in the body for many years. Such a polymer is not really biodegradable.
  • the absorbable polymer of the particles may include, for example, polyesters, poly (amino acids), polyanhydrides, polyorthoesters, polyurethanes or mixtures thereof.
  • polyesters poly (amino acids), polyanhydrides, polyorthoesters, polyurethanes or mixtures thereof.
  • Most commercially available resorbable materials are polyester, primarily homopolymers and copolymers of poly (lactic acid) and poly (glycolic acid). Copolyesters of e-caprolactone, trimethylene carbonate and PA-RA-DIOXANONE are also available.
  • Bioresorbable polymers can easily remain in the body and be absorbed. Due to the absorption of the polymer, they only remain in the body for a limited time. Furthermore, the absorption rate or the degradation rate can be controlled by the composition of the polymer. In addition, there are no undesirable interactions with the body, such as in connection with the corrosion of metals. Furthermore, these are extremely cost-effective compared to metals. Furthermore, high-strength metal-cement composites are known. These could possibly also be used as material for the particles. Such composites were developed, for example, by the company InnoTere together with the Dresden Fraunhofer Institutes IFAM and IKTS as well as the Max Bergmann Center for Biomaterials of the Technical University.
  • absorbable magnesium alloys are known. Magnesium is highly biocompatible as a natural component of metabolism. 60% of the total magnesium in the body of an adult is in the bones. Excessive amounts are eliminated via the kidney.
  • bioabsorbable polymers can also be found in EP 2 349 125, in EP 2 076 556 and EP 0 226 061 and also in WO 201 1/01 4858.
  • the device according to the invention is suitable for spine operations, cranial operations, for trauma treatment, for cosmetic surgery, since directly on the bone structures to be removed soft tissues such as Nerve strands, dura and vessels are present, which should not be damaged during treatment as possible.
  • tissue that can not be damaged is milled, resulting in a significant financial overhead by increasing the operating time, and additional costs for example, an artificial dura mater leads.
  • a patient then has a foreign body, such as an artificial dura mater, in the body.
  • disposable milling Only disposable milling may be used as all nerve contact surgeries, such as Scar surgery, because of the risk of infection with Creutzfeldt-Jakob only disposable milling may be used.
  • the device according to the invention does not cause any damage to the meninges and the nerves. Even the speed of the jet cutting with the device according to the invention is in no way inferior to a conventional milling process.
  • the cost of a treatment only amounts to a fraction of a classic supply.
  • the operations can be carried out in the same time, are significantly cheaper in the production, there is no extra work for the doctors and staff and, above all, it is much safer.
  • the device according to the invention is suitable in particular for all cranial operations, all spine operations and for trauma treatment.
  • a germ and / or bacteria filter may be provided for cleaning the pressure jet. This is arranged such that the filter cleans the pressure jet before the particles are added to the pressure jet. In this way, infections and inflammation during treatment can be avoided.
  • the gaseous pressure jet can be formed from air and / or inert gas. For example, nitrogen, carbon dioxide, helium or argon or else mixtures thereof can be used as the inert gas.
  • the device for providing a gaseous pressure jet may be a compressor device or a compressed gas source. Under a compressed gas source, a pressure bottle or a compressed air connection, as it is present in each operating room, are understood.
  • the pressure steel preferably has a pressure of 2 bar to 6 bar and preferably from 3 bar to 4 bar.
  • the nozzle may be a venturi or a Laval nozzle.
  • the device for providing a gaseous pressure jet can be connected to the nozzle via a line section, which preferably has a length of 0.5 m to 5 m and in particular of 1 m to 2 m.
  • the device for admixing particles to the pressure jet has a metering device which is designed such that the amount of particles in the pressure jet is adjustable.
  • a metering device a valve, a metering or dosing screw can be provided.
  • the device for adding particles to the pressure jet can be arranged in the device for providing a gaseous pressure jet and / or in the line section downstream of the filter and / or in the nozzle.
  • a method for beam cutting of bones provided by means of a particle beam, wherein the particle beam is accelerated by a gaseous pressure jet and the particles are formed from a bioresorbable abrasive.
  • Fig. 1 shows a device for beam cutting of bones in a schematic view.
  • the device 1 according to the invention for beam cutting of bone has a device 2 for providing a gaseous pressure jet, such as, for example, a compressor or a compressed air connection 10.
  • a gaseous pressure jet such as, for example, a compressor or a compressed air connection 10.
  • the pressure of this pressure jet is typically in the range of 2 bar to 5 bar and in particular in the range of 3 bar to 4 bar.
  • a device 5 for admixing particles to the pressure jet is provided.
  • This comprises a reservoir 6 for receiving the blasting material or the abrasive and a metering device 7 to adjust the amount of particles in the pressure jet.
  • the metering device 7 may have a funnel-shaped filler neck 8, which connects the reservoir 6 with a metering element (not shown).
  • the filler neck 8 is designed as a valve 8.
  • the blasting enters the metering element, such. a valve, a dosing disc or a dosing screw.
  • the amount or the proportion of particles in the particle beam can be controlled.
  • the particles are formed from a mixture of lactic acid polymer and glycolic acid polymer.
  • the particles have a size of up to 120 ⁇ , wherein the particle size is determined by sieving with a suitable sieve.
  • the metering device 7 meters the blasting material into a stream of compressed air flowing in the line section 3.
  • a nozzle for example.
  • a blasting gun is connected to the line section 3.
  • the blasting gun has a valve connected to a trigger and a nozzle arranged downstream of the valve, for example a Laval nozzle.
  • the Laval nozzle accelerates the particle beam to almost the speed of sound. If the valve is actuated via the trigger of the blast gun, the particle beam is emitted and blasted onto the bone to be cut.
  • the device 1 can also be operated via a foot pedal 1 1, with which the particle beam is gradually adjustable.
  • a device for the jet cutting of bone is supplied with compressed gas via a compressed gas source and the particles via a metering device.
  • a mixture of compressed jet or compressed air and abrasive or particles is produced from these components and discharged as a particle jet or cutting jet 9.
  • the nozzle 4 is preferably formed with a circular or slit-shaped nozzle opening, so that the cutting jet is correspondingly circular or approximately rectilinear in shape. -
  • the diameter of the circular nozzle opening is less than or equal to 3 mm, in particular less than or equal to 2 mm or 1 mm or 0.75 mm. If the nozzle is slit-shaped, then the width of the nozzle opening is less than or equal to 4 mm, in particular less than or equal to 3 mm or 2 mm or 1 mm.
  • the unit of the conduit section 3 and the nozzle 4 is a disposable sterile unit which is replaced after each use. Such disposable units are compared to the conventional disposable milling very cheap because they are simple.
  • the particle beam 9 is directed to a bone to be cut. Any devices for shutting off and regulating the mass flows of the pressure jet and the abrasive and for keeping or generating the respective substances are not shown in detail in the figure. Their execution will be adapted by the specialist to the conditions and properties of the substances
  • the particle beam is emitted at room temperature.
  • a device for the separate dispensing of a liquid can be arranged in the region of the nozzle 4.
  • the device for dispensing a liquid is designed as a liquid nozzle.
  • the liquid nozzle can be, for example, a cannula, which can be fastened to the nozzle 4 or in the region of the nozzle by means of suitable fastening means.
  • fastening means are e.g. Provided brackets, screws or other suitable fastening means.
  • the fluid nozzle is connected via a conduit section (not shown) to a fluid source (not shown) for providing a sterile fluid, such as saline or sterile or sterile water.
  • a sterile fluid such as saline or sterile or sterile water.
  • the liquid nozzle is designed such that the liquid is discharged at low pressure.
  • the liquid nozzle is formed so that the liquid is sprayed on the particles after they have worn off bone parts. In this way it is achieved that the particles are wetted after the impact on the bones so that they lose kinetic energy and flying around the particles is avoided.
  • the liquid nozzle can also be designed such that it emits a liquid jet.
  • the liquid discharged from the liquid nozzle has no abrasive effect but merely serves to bind around and bounce off the particles.
  • the fluid nozzle may be annular.
  • Such a liquid nozzle is preferably concentric with the nozzle 4, surrounding it, arranging it net. It is advantageous that the liquid is emitted as a kind of curtain surrounding the particle beam, whereby scattering particles of the particle beam are decelerated.
  • a suction device (not shown), the particle beam is withdrawn from the wound. Since the particles are sterile and biodegradable, no damage is caused to the patient, even if remnants of the particles remain in the human or animal body.
  • This particle beam is particularly suitable for cutting the skull and / or the spine, since neither the meninges nor the spinal cord skin (respectively the dura mata) can not be damaged due to the principle. The risk of damage to the nerves is thus eliminated.

Abstract

L'invention concerne un dispositif de découpe d'os au jet. Ce dispositif comprend un appareil d'émission d'un jet sous pression d'un fluide gazeux, un appareil de mélange de particules au jet sous pression, les particules étant accélérées par le jet sous pression pour former un jet de particules, et une buse de délivrance d'un jet de particules, les particules étant formées par un agent abrasif biorésorbable.
PCT/EP2013/059156 2012-05-04 2013-05-02 Dispositif de découpe d'os au jet WO2013164409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA532-2012 2012-05-04
AT5322012A AT512505B1 (de) 2012-05-04 2012-05-04 Strahlschneiden von Knochen

Publications (1)

Publication Number Publication Date
WO2013164409A1 true WO2013164409A1 (fr) 2013-11-07

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PCT/EP2013/059156 WO2013164409A1 (fr) 2012-05-04 2013-05-02 Dispositif de découpe d'os au jet

Country Status (2)

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AT (1) AT512505B1 (fr)
WO (1) WO2013164409A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212014000230U1 (de) 2013-12-13 2016-07-27 Aquaclean, Spol. S R.O. Klauenpfege von Huftieren mittels eines Flüssigkeitsstrahls und eines veterinären Schneidesets
EP3606494B1 (fr) 2017-04-03 2021-06-30 Ferton Holding S.A. Poudre de nettoyage d'une piece de corps interne et / ou d'un implant, procede de production d'une telle poudre et utilisations appropriees

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759266A (en) * 1953-05-11 1956-08-21 Renato E Cassani Dental and surgical abrasive jet apparatus
EP0226061A2 (fr) 1985-12-17 1987-06-24 United States Surgical Corporation Polymères biorésorbables de haut poids moléculaire et articles à base de ces polymères
DE19804065A1 (de) 1998-02-04 1999-12-23 Matthias Honl Flüssigkeitsabrasivstrahltrennverfahren für biologische Gewebe, Stoffe und Organe wie z. B. Knochen, Knorpel, Zähne und Häute für Biomaterialen wie z. B. Knochenzement (PMMA oder andere Polymere), Verbundwerkstoffe und Metalle sowie für technische Materialien
DE19904640A1 (de) 1999-02-05 2000-08-10 Wittenstein Gmbh & Co Kg Verfahren zum Trennen oder Entfernen einer biologischen Struktur, insbesondere Knochen
US20020123020A1 (en) * 1999-10-15 2002-09-05 Aumuller Paul M. Dental abrading tool
WO2002085223A1 (fr) 2001-04-19 2002-10-31 Universität Hannover Dispositif de separation de tissu osseux
WO2003053397A1 (fr) 2001-12-13 2003-07-03 Sca Hygiene Products Ab Serviette hygienique impregnee d'une composition contenant une bacterie engendrant de l'acide lactique suspendue dans un lipide
WO2003055397A1 (fr) * 2001-12-28 2003-07-10 Universität Hannover Procede et dispositif de decoupage de tissus au jet
US20040058627A1 (en) * 2002-09-24 2004-03-25 Harris William H. Dental abrasion system
DE102004060238A1 (de) 2004-12-15 2006-06-22 Tobias Worzyk Vorrichtung und Verfahren zum Schneiden und Oberflächenbehandeln mittels Wasserstrahlen
EP1676535A1 (fr) 2004-12-29 2006-07-05 DePuy Mitek, Inc. Système chirurgical de coupe abrasive
WO2007106053A2 (fr) 2006-03-16 2007-09-20 Tubitak Dissecteur à air comprimé (racleur à jet d'air)
EP1972295A1 (fr) * 2007-03-19 2008-09-24 Ferton Holding S.A. Pulvérisateur de poudre, conteneur de poudre, insert pour conteneur de poudre
EP2076556A1 (fr) 2006-10-18 2009-07-08 Controlled Therapeutics (Scotland) Ltd. Polymères biorésorbables
US20100086893A1 (en) * 2006-06-13 2010-04-08 Boaz Barry Groman Powder Blasting Device, Method and System for Dental Applications
WO2011001485A1 (fr) 2009-07-02 2011-01-06 太陽インキ製造株式会社 Composition de résine thermodurcissable et photodurcissable
EP2349125A1 (fr) 2008-10-10 2011-08-03 OrbusNeich Medical, Inc. Dispositif médical en polymère bioabsorbable

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759266A (en) * 1953-05-11 1956-08-21 Renato E Cassani Dental and surgical abrasive jet apparatus
EP0226061A2 (fr) 1985-12-17 1987-06-24 United States Surgical Corporation Polymères biorésorbables de haut poids moléculaire et articles à base de ces polymères
DE19804065A1 (de) 1998-02-04 1999-12-23 Matthias Honl Flüssigkeitsabrasivstrahltrennverfahren für biologische Gewebe, Stoffe und Organe wie z. B. Knochen, Knorpel, Zähne und Häute für Biomaterialen wie z. B. Knochenzement (PMMA oder andere Polymere), Verbundwerkstoffe und Metalle sowie für technische Materialien
DE19904640A1 (de) 1999-02-05 2000-08-10 Wittenstein Gmbh & Co Kg Verfahren zum Trennen oder Entfernen einer biologischen Struktur, insbesondere Knochen
US20020123020A1 (en) * 1999-10-15 2002-09-05 Aumuller Paul M. Dental abrading tool
WO2002085223A1 (fr) 2001-04-19 2002-10-31 Universität Hannover Dispositif de separation de tissu osseux
WO2003053397A1 (fr) 2001-12-13 2003-07-03 Sca Hygiene Products Ab Serviette hygienique impregnee d'une composition contenant une bacterie engendrant de l'acide lactique suspendue dans un lipide
WO2003055397A1 (fr) * 2001-12-28 2003-07-10 Universität Hannover Procede et dispositif de decoupage de tissus au jet
US20040058627A1 (en) * 2002-09-24 2004-03-25 Harris William H. Dental abrasion system
DE102004060238A1 (de) 2004-12-15 2006-06-22 Tobias Worzyk Vorrichtung und Verfahren zum Schneiden und Oberflächenbehandeln mittels Wasserstrahlen
EP1676535A1 (fr) 2004-12-29 2006-07-05 DePuy Mitek, Inc. Système chirurgical de coupe abrasive
WO2007106053A2 (fr) 2006-03-16 2007-09-20 Tubitak Dissecteur à air comprimé (racleur à jet d'air)
US20100086893A1 (en) * 2006-06-13 2010-04-08 Boaz Barry Groman Powder Blasting Device, Method and System for Dental Applications
EP2076556A1 (fr) 2006-10-18 2009-07-08 Controlled Therapeutics (Scotland) Ltd. Polymères biorésorbables
EP1972295A1 (fr) * 2007-03-19 2008-09-24 Ferton Holding S.A. Pulvérisateur de poudre, conteneur de poudre, insert pour conteneur de poudre
EP2349125A1 (fr) 2008-10-10 2011-08-03 OrbusNeich Medical, Inc. Dispositif médical en polymère bioabsorbable
WO2011001485A1 (fr) 2009-07-02 2011-01-06 太陽インキ製造株式会社 Composition de résine thermodurcissable et photodurcissable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212014000230U1 (de) 2013-12-13 2016-07-27 Aquaclean, Spol. S R.O. Klauenpfege von Huftieren mittels eines Flüssigkeitsstrahls und eines veterinären Schneidesets
EP3606494B1 (fr) 2017-04-03 2021-06-30 Ferton Holding S.A. Poudre de nettoyage d'une piece de corps interne et / ou d'un implant, procede de production d'une telle poudre et utilisations appropriees

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Publication number Publication date
AT512505B1 (de) 2013-09-15
AT512505A4 (de) 2013-09-15

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