Nothing Special   »   [go: up one dir, main page]

Erdem et al., 2007 - Google Patents

Building a measurement setup for the investigation of acoustic cavitations for medical applications

Erdem et al., 2007

View PDF
Document ID
2635317357228661027
Author
Erdem Å
et al.
Publication year

External Links

Snippet

Various noninvasive medical treatments rely on high intensity ultrasound or shock waves. The externally generated pressure waves transfer a large amount of energy into the body. There is evidence that in all of these treatments cavitation provides the main contribution to …
Continue reading at 193.140.201.98 (PDF) (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. micro-bubbles introduced into the bloodstream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B2017/22005—Effects, e.g. on tissue
    • A61B2017/22007—Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/225—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/22—Echographic preparations; Ultrasound imaging preparation Optoacoustic imaging preparations
    • A61K49/222—Echographic preparations; Ultrasound imaging preparation Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/13—Tomography
    • 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation; Therapies using these preparations
    • A61K41/0028—Disruption, e.g. by heat or ultrasounds, sonophysical or sonochemical activation, e.g. thermosensitive or heat-sensitive liposomes, disruption of calculi with a medicinal preparation and ultrasounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0086—Beam steering
    • A61N2007/0091—Beam steering with moving parts, e.g. transducers, lenses, reflectors

Similar Documents

Publication Publication Date Title
Stride et al. Nucleation, mapping and control of cavitation for drug delivery
Izadifar et al. Ultrasound cavitation/microbubble detection and medical applications
Hoogenboom et al. Mechanical high-intensity focused ultrasound destruction of soft tissue: working mechanisms and physiologic effects
US9642634B2 (en) Pulsed cavitational ultrasound therapy
JP5094723B2 (en) Method of using combined imaging and therapy transducers to dissolve clots
Azmin et al. How do microbubbles and ultrasound interact? Basic physical, dynamic and engineering principles
US8932239B2 (en) Method and apparatus for ultrasound drug delivery and thermal therapy with phase-convertible fluids
Sassaroli et al. Cavitation threshold of microbubbles in gel tunnels by focused ultrasound
JP5689416B2 (en) Ultrasound-mediated drug delivery
US20100069797A1 (en) Pulsed cavitational ultrasound therapy
CN105407968A (en) Devices and methods for the ultrasound treatment of ischemic stroke
Mannaris et al. Investigation of microbubble response to long pulses used in ultrasound-enhanced drug delivery
Zhou et al. Variations of bubble cavitation and temperature elevation during lesion formation by high-intensity focused ultrasound
Keller et al. Ultrasound imaging of microbubble activity during sonoporation pulse sequences
Zhou et al. Effect of pulse duration and pulse repetition frequency of cavitation histotripsy on erosion at the surface of soft material
Williams et al. The histotripsy spectrum: differences and similarities in techniques and instrumentation
Zhang et al. Inverse effects of flowing phase-shift nanodroplets and lipid-shelled microbubbles on subsequent cavitation during focused ultrasound exposures
WO1999042138A1 (en) The use of bjerknes forces to manipulate contrast agents
Heymans et al. Simultaneous ultrasound therapy and monitoring of microbubble-seeded acoustic cavitation using a single-element transducer
Erdem Building a measurement setup for the investigation of acoustic cavitations for medical applications
JP4387947B2 (en) Ultrasonic therapy device
Caskey et al. On the oscillations of microbubbles in tubes with diameters as small as 12 microns
Caskey et al. Ultrasound mediated drug delivery: the effect of microbubbles on a gel boundary
Anbarafshan In vivo high-speed microscopy of ultrasound-stimulated microbubble-vessel interactions
Kilroy et al. Multifunction intravascular ultrasound for microbubble based drug delivery