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42 results about "Vertebroplasty procedure" patented technology
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Vertebroplasty is often an outpatient procedure used to treat painful compression fractures in the spine. In a compression fracture, all or part of a spine bone collapses. Vertebroplasty is done in a hospital or outpatient clinic.
Vertebroplasty injection device and bone cement therefor
InactiveUS20020156483A1Small sizeIncrease pressurePowder deliveryShaking/oscillating/vibrating mixersInjectable biomaterialVertebroplasty procedure
This invention relates to a mixing and delivery device suitable for delivering injectable biomaterials, and to preferred bone cement formulations.
Owner:DEPUY ACROMED INC
Methods of performing embolism-free vertebroplasty and devices therefor
InactiveUS6979352B2Reduce morbidityReduce frequencySpinal implantsOsteosynthesis devicesVertebroplasty procedureMaterials science
This invention relates to improved vertebroplasty procedures for reducing embolisms, leakage and cement loosening.
Owner:DEPUY ACROMED INC
Methods of performing embolism-free vertebroplasty and devices therefor
ActiveUS20060052743A1Reduce morbidityReduce frequencySpinal implantsSuction devicesVertebroplasty procedureMaterials science
Owner:DEPUY PROD INC
Vertebroplasty device having a flexible plunger
ActiveUS20050070912A1Increase torqueLimit length of tubeSurgical needlesProsthesisBone cementBiomedical engineering
A device for injecting bone cement is provided. The device has a flexible delivery tube and a flexible plunger.
Owner:DEPUY ACROMED INC
Remotely-activated vertebroplasty injection device
InactiveUS20080039856A1Eliminate the problemImprove clinician safetyJoint implantsOsteosynthesis devicesEngineeringActuator
A remotely-activated injection device for use in vertebroplasty is provided to inject a flourescent probe material into a patient. The injection device includes a pump defining an injection chamber having an exit opening; an actuator; and a cable having a first end coupled to the actuator, and a second end remotely engaging the pump. The actuator remotely controls the pump by responsive movement of the cable to thereby cause injection of a flourescent probe material from the injection chamber of the pump through the exit opening to the patient.
Owner:DEPUY SPINE INC (US) +1
Bone filling cement
ActiveUS20100228358A1Impart stiffnessReduce stiffnessCosmetic preparationsImpression capsInjectable boneGlycerol
The present invention relates to an injectable bone cement for filling bones with mechanical properties equivalent to those of vertebral spongy bone comprising 70 to 99 wt. % of an acrylic polymer combined with an inorganic type radiopaque compound and 1 to 30 wt. % of calibrated hydrophilic flexible solid particles, said calibrated hydrophilic flexible solid particles being chosen from gelatin, poly(glycerol sebacate) or a mixture thereof.A bone cement according to the invention is particularly intended for vertebroplasty, kyphoplasty or cementoplasty.
Owner:TEKNIMED SAS
Bone treatment systems and methods
The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition.
Owner:DFINE INC
Methods for treating bone
InactiveUS20070233249A1Internal osteosythesisSpinal implantsVertebra compression fractureBone cement
The present invention relates in certain embodiments to medical devices for treating vertebral compression fractures. In one embodiment, the invention relate to instruments and methods for introducing fill material into a vertebral body that slowly expands vertebral height without explosive balloon expansion as in kyphoplasty. The system provides a fill material that infills a vertebra without flowable bone cement as used in kyphoplasty and vertebroplasty procedures. Thus, the bone fill system prevents the possibility of extravasation of material into the spinal canal which occurs in a significant number of kyphoplasty and vertebroplasty procedures. An energy source can apply energy to a substantially rigid implant material in order to soften, melt, or fracture the implant material to infill a vertebral body.
Owner:DFINE INC
Vertebroplasty device having a flexible plunger
A device for injecting bone cement is provided. The device has a flexible delivery tube and a flexible plunger.
Owner:DEPUY ACROMED INC
Bone treatment systems and methods
The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition.
Owner:DFINE INC
Bone treatment systems and methods
ActiveUS20100016467A1Low viscosityImpression capsSurgical adhesivesBenzoyl peroxideVertebroplasty procedure
The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition.
Owner:DFINE INC
Vertebroplasty Curved Needle
InactiveUS20120265210A1Increase rigidityDecrease fatigue stressSurgical needlesProsthesisBone structureCentral region
Devices, systems and methods for delivering a curable, stabilizing material into a central region of a bone structure. Precise placement of the curable substance into a central region of a bone structure through a unipedicular approach. One primary advantage is its ability to create a central cavity in a vertebral body (or to centrally deliver bone cement) through a unipedicular approach. A curved needle having increased rigidity in its flexible end when the end is disposed in its straight position. This increased rigidity is due to a novel tensioning mechanism and to a segmented tube design (as opposed to the conventional longitudinally-slotted tube design).
Owner:DEPUY SYNTHES PROD INC
Polymethylmethacrylate bone cement
InactiveCN104027841AFirmly connectedSurgical adhesivesTissue regenerationParticulatesOsteoporotic bone
The subject matter of the invention is a curable composition for use as bone cement, in particular for augmentation of osteoporotic bone tissue, comprising at least one organic polymer and at least one monomer for radical polymerisation, at least one particulate inorganic additive having a BET surface of at least 40 m2 / g, whereby the additive comprises covalently bound hydroxyl groups, whereby the composition further comprises at least one fatty acid ester or a mixture of fatty acid esters. Another subject matter of the invention is the use of said composition for augmentation of osteoporotic bone tissue and particularly preferably for vertebroplasty, kyphoplasty, and augmentation of drill holes in osteoporotic bone tissue, as well as a kit for producing said composition.
Owner:HERAEUS MEDICAL
Intervertebral fusion fixator for X-shaped excision decompression vertebroplasty of vertebral body
ActiveCN111888056AReduce work delaysShorten the fusion success rateSpinal implantsBone chamberRetainer
The invention discloses an intervertebral fusion fixator, relates to the field of medical instruments, and aims to provide a fusion fixator which is matched with anterior cervical approach vertebral X-shaped excision decompression vertebroplasty and can shorten the bone crawling substitution distance, shorten the fusion time and increase the bone grafting fusion success rate. According to the technical scheme, the intervertebral fusion fixator for X-shaped excision decompression vertebroplasty of the vertebral body comprises a fusion fixing body and screws, the fusion fixing body is provided with three bone grafting cavities, the horizontal section of the first bone grafting cavity is in a fan shape, the outer sides of the two radiuses of the fan shape are the second bone grafting cavity and the third bone grafting cavity respectively, a fixing blocking piece is arranged above or below the arc edge of the fan shape, the fixing blocking piece is provided with a through hole and the first screw, and the first screw is used for being implanted into a replantation bone block; and fixing holes are formed in the arc edge of the first bone grafting cavity, and screws used for implanting residual vertebral bodies on the two sides and adjacent normal vertebral bodies are arranged in the fixing holes. The intervertebral fusion fixator is suitable for the anterior cervical approach vertebral X-shaped excision decompression vertebroplasty.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV
Vertebral plasty bone cement leakage detection method and system and storage medium
ActiveCN111444978APredictive Analysis Time ReductionSolve the problem of poor consistency of test resultsImage enhancementImage analysisPattern recognitionData set
The invention discloses a vertebroplasty bone cement leakage detection method and system and a storage medium. The vertebroplasty bone cement leakage detection method comprises the following steps: acquiring a vertebroplasty X-ray image for marking contour key points and whether bone cement leaks or not in advance; for a pre-collected X-ray image, constructing a data set according to the marked contour key point position information and an identifier for identifying whether bone cement leaks or not; constructing two neural networks based on an ImageNet pre-training model, using the first neural network for learning vertebra contour information through language, and using the second neural network for learning bone cement contour coordinate information; solidifying the model parameters of the two neural networks, outputting the output values of the two models to an SVM classifier, and learning whether bone cement leakage occurs or not. Compared with manual detection, the prediction timeis greatly shortened, and the problem that the consistency of detection results is poor due to the fact that manual detection of doctors depends on experience of the doctors is solved.
Owner:王银璇
Bone treatment systems and methods
The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition.
Owner:DFINE INC
Vertebroplasty device having a flexible plunger
A device for injecting bone cement is provided. The device has a flexible delivery tube (11) and a flexible plunger (21).
Owner:DEPUY SPINE SARL
Automatic boosting device and system for injecting bone cement in vertebral plasty
ActiveCN104739499ASimple structureAvoid health effectsOsteosynthesis devicesSurgical ManipulationRadiation injury
The invention discloses an automatic boosting device and system for injecting bone cement in the vertebral plasty. The automatic boosting device for injecting the bone cement in the vertebral plasty comprises a traction clamp capable of being clamped on a pushing rod, a positioning clamp capable of being clamped on an injection pipe and a fixing clamp capable of being clamped on a drivepipe for forming an operation work passage, wherein one end of a traction line is fixed to the traction clamp, and the other end of the traction line penetrates through a passage hole in the positioning clamp and then extends to be connected with a control end; an adjustment piece is connected between the positioning clamp and the fixing clamp. The automatic boosting device for injecting the bone cement in the vertebral plasty can be directly clamped on an existing manual bone cement injecting device, realizes control over injection of the bone cement remotely, enables doctors to be out of a radiation environment, and prevents radiation injuries to the health. The automatic boosting device for injecting the bone cement in the vertebral plasty is simple in structure, low in cost, directly clamped on the existing manual bone cement injecting device to be used in a matched mode, easy and convenient to operate and easy to popularize, and does not change the existing operation method and the traditional operation instructions of doctors.
Owner:SHANGHAI KINETIC MEDICAL
Vertebroplasty body surface positioning navigating instrument
PendingCN107088092AShorten study timeReduce the difficulty of surgerySurgical navigation systemsVertebroplasty procedureEngineering
The invention discloses a vertebroplasty body surface positioning navigating instrument. The instrument comprises a base which can be fixed to an operating table / DSA machine tool, a main rod which is connected to the base and has lifting motion relative to the base, a main rod upper cover, a threaded rod which adjusts the lifting of the main rod, an angle fixing ring which is embedded in the main rod and rotates relative to the main rod, a locating rod which is connected to the angle fixing ring and has a concertina movement relative to the angle fixing ring and a locating ring which is connected to the locating rod and has a rotary movement relative to the locating rod; a groove is formed in the inner side of the base, and the length and the width of the groove are matched with those of a connecting rod of the side face of the operating table / DSA machine tool; the vertebroplasty body surface positioning navigating instrument is cheap in design and can be sterilized, accurate positioning of pedicle of vertebral arch can be conducted by an external mechanical type navigating instrument which is applied to an operation, operative complications can be reduced, operative difficulties can be lowered, operative learning curves can be reduced, and the therapeutic efficiency is improved.
Owner:ZHEJIANG UNIV
Cement delivery needle
Owner:MURPHY KIERAN P
Methods of performing embolism-free vertebroplasty and devices therefor
ActiveUS7811321B2Reduce morbidityReduce frequencySpinal implantsSuction devicesVertebroplasty procedureMaterials science
Owner:DEPUY PROD INC
Bone filling cement
ActiveUS9649404B2Reduce stiffnessIncreases of of disseminationCosmetic preparationsImpression capsInjectable boneGlycerol
The present invention relates to an injectable bone cement for filling bones with mechanical properties equivalent to those of vertebral spongy bone comprising 70 to 99 wt. % of an acrylic polymer combined with an inorganic type radiopaque compound and 1 to 30 wt. % of calibrated hydrophilic flexible solid particles, said calibrated hydrophilic flexible solid particles being chosen from gelatin, poly(glycerol sebacate) or a mixture thereof.A bone cement according to the invention is particularly intended for vertebroplasty, kyphoplasty or cementoplasty.
Owner:TEKNIMED SAS
Balloon for vertebroplasty and medical device
InactiveCN112168325APrevent leakageBalloon catheterInternal osteosythesisVertebroplasty procedureBalloon dilations
The invention belongs to the field of medical instruments, and particularly relates to a balloon for vertebroplasty and a medical device. The balloon provided by the invention comprises a compressed,collapsed or folded balloon main body; the balloon main body is internally provided with a first cavity; the first cavity is used for injecting bone cement, the bone cement is filled to enable the balloon to be supported between intervertebral disc tissues after being expanded and solidified, and the balloon can prevent the problem of leakage and dispersion of the bone cement; after the balloon main body is expanded, a second cavity penetrating through the balloon main body is formed; the second cavity is used for injecting a material with an osteogenesis effect and / or an osteoinduction effect, and after the balloon is expanded through bone cement filling, the material with the osteogenesis effect and / or the osteoinduction effect is injected into the second cavity penetrating through the balloon main body through a second injection opening; and the material injected into the second cavity forms osteoblasts in the intervertebral disc inner cavity or induces local cells of a human body to differentiate to form the osteoblasts, so that the balloon is firmly anchored between intervertebral discs.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE
Bone cement hydrogel composite material for vertebroplasty and preparation method of bone cement hydrogel composite material
ActiveCN113694260AStrong water absorption and storage capacityMaintain stabilityTissue regenerationProsthesisVertebroplasty procedureBone cement
The invention relates to a bone cement hydrogel composite material for vertebroplasty and a preparation method of the bone cement hydrogel composite material. The bone cement hydrogel composite material comprises the following components in percentage by volume: 70-95% of PMMA bone cement and 5-30% of hydrogel. Compared with the prior art, according to the synthesized bone cement hydrogel composite material, the content of PMMA is reduced, besides, the curing temperature is reduced, bioactive substances are loaded in hydrogel, the mixed bone cement is endowed with biological activity, the vertebral body is stabilized, the pain of a patient is relieved, and besides, local osteogenesis is promoted.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Vertebral body reinforced calcium phosphate bone cement and preparation method thereof
ActiveCN111012952AReduce dosageHigh compressive strengthPharmaceutical delivery mechanismTissue regenerationBinding siteBone cement
The invention discloses vertebral body reinforced calcium phosphate bone cement, which has good compressive strength, collapse resistance and osteogenesis induction effect, and can avoid pulmonary embolism caused by collapse in vertebroplasty. The technical scheme of the invention is as follows: the calcium phosphate bone cement comprises solid-phase powder and curing liquid; the solid-phase powder comprises the following components in parts by weight: 90-100 parts of calcium phosphate powder, 5-10 parts of absorbable fibers, 10-20 parts of bone morphogenetic protein-loaded quaternary ammoniumsalt-73 bentonite and 10-30 parts of a developing agent; and the curing liquid comprises the following component in parts by weight: 20-40 parts of a buffer solution. Bentonite is modified by using low-concentration bone morphogenetic protein, and quaternary ammonium salt has positive ions, so that protein binding sites are formed, the bone morphogenetic protein is not easily taken away by body fluid after being combined with the bentonite, and the concentration of the bone morphogenetic protein in the bone cement is not reduced along with time. The toxicity can be reduced, the cost can be reduced, and the bone cement is suitable for wide popularization and application.
Owner:GUANGZHOU RAINHOME PHARM&TECH CO LTD
Biocompatible material in granules made of metal material or metal alloys and use of said granules for vertebroplasty
ActiveUS20170157287A1Eliminate riskBone implantPharmaceutical delivery mechanismMetal alloyBiocompatible material
Owner:MT ORTHO
Integrated injection implementation method and device of injectable bone substitute in vertebral body molding
PendingCN111053606AAvoid risk of leakageEasy to operateOsteosynthesis devicesInjectable boneOrthopedic department
An integrated injection implementation method and a device of an injectable bone substitute in vertebral body forming belong to the field of medical instruments. A memory alloy guide pin is inserted into a hollow tube for thermal presetting, the hollow tube and the memory alloy guide pin are integrally and synchronously pushed into a vertebral body, the hollow tube is rapidly rebounded to the original curvature through internal stress under the guidance of the memory alloy guide pin, and the boundary of an injectable bone substitute filling space or a boundary fence serving as the filling space is formed; an injectable bone substitute is injected to a specified position through the hollow tube; and the hollow tube and a filling space defined by the hollow tube are filled with the injectable bone substitute at a specified part in the vertebral body. The injection area of the injectable bone substitute has plannability, and multiple steps of operations such as puncture, distraction, implant and bone cement injection, forming and the like in the vertebroplasty are integrally achieved. And all the steps are synchronously carried out, so that the operation process is greatly optimized,the operation time is shortened, and the operation difficulty is reduced. The method can be widely applied to the field of design and manufacturing of orthopedic implant injection devices.
Owner:山东明德生物医学工程有限公司
Bone Cement With Adapted Mechanical Properties
InactiveUS20140100297A1Low densityReduce stiffnessCosmetic preparationsImpression capsVertebroplasty procedureBone cement
Owner:DEPUY SYNTHES PROD INC
Bone cement with adapted mechanical properties
ActiveUS20100056654A1Low densityReduce stiffnessCosmetic preparationsImpression capsVertebroplasty procedureBone cement
A bone cement is shown that includes a monomer, and a non-reactive substance that is fully miscible with the monomer. A resulting cured bone cement exhibits desirable properties such as modification in a stiffness of the material. Modified properties such a stiffness can be tailored to match bone properties and reduce an occurrence of fractures adjacent to a region repaired with bone cement. One example includes adjacent vertebral body fractures in vertebroplasty procedures.
Owner:DEPUY SYNTHES PROD INC
Vertebral x-shape resection decompression vertebroplasty intervertebral fusion fixator
ActiveCN111888056BReduce work delaysShorten the fusion success rateSpinal implantsBone chamberRetainer
Owner:WEST CHINA HOSPITAL SICHUAN UNIV
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