1
David M Butts, Jason R Stats, Bret Hamatake, Sandra J Rome, Walter H Shang: Infusion apparatuses and methods of use. C R Bard, Rutan & Tucker, April 3, 2012: US08147455 (50 worldwide citation)

An exemplary infusion system for accessing an implanted device is disclosed comprising an insertion assembly, a hub comprising a sealable path configured to receive at least a portion of the insertion assembly, a flexible catheter attached to the hub and configured to receive at least a portion of t ...


2
Guy Rome, William R Barron, Bret Hamatake: Valved catheter. C R Bard, Morrison & Foerster, August 22, 2006: US07094218 (25 worldwide citation)

A valved catheter that allows placement and withdrawal of an accessing device or attachable unit without the risk of air embolism or blood loss. The valved catheter includes a catheter tube having a necked portion in its proximal end that forms an integral valve, the necked portion being surrounded ...


3
David M Butts, Jason R Stats, Bret Hamatake, Sandra J Rome, Walter H Shang: Infusion apparatuses and methods of use. C R Bard, Rutan & Tucker, February 4, 2014: US08641676 (24 worldwide citation)

An exemplary infusion system for accessing an implanted device is disclosed comprising an insertion assembly, a hub comprising a sealable path configured to receive at least a portion of the insertion assembly, a flexible catheter attached to the hub and configured to receive at least a portion of t ...


4
Bret Hamatake, John G Evans: Implantable medical devices including septum-based indicators. C R Bard, Rutan & Tucker, January 13, 2015: US08932271 (22 worldwide citation)

An access port for providing subcutaneous access to a patient is disclosed. The access port includes a septum including palpable identification indicia thereon. In particular, the access port in one embodiment includes a body that defines a fluid cavity and a needle-penetrable septum covering the fl ...


5
Bret Hamatake, Jason R Stats, Amir Orome, Joseph H Barrett, Dallen Glen Herzog: Tip configurations for a multi-lumen catheter. C R Bard, Rutan & Tucker, December 4, 2012: US08323227 (22 worldwide citation)

Multi-lumen catheters with improved tip configurations, including a triple-lumen catheter which may be useful for apheresis. In one variation, the catheter has three lumens with distal openings angularly spaced apart and staggered axially with respect to one another. In another variation, the cathet ...


6
Kevin W Sheetz, Bret Hamatake, John G Evans, Richard P Jenkins, Sean M Worthen, Loren R Minert, Alisha M Hammond, Charles L Farnworth, Kelly B Powers: Systems and methods for identifying an access port. C R Bard, Rutan & Tucker, April 7, 2015: US08998860 (20 worldwide citation)

An access port for subcutaneous implantation is disclosed. Such an access port may comprise a body for capturing a septum for repeatedly inserting a needle therethrough into a cavity defined within the body. Further, the access port may include at least one feature structured and configured for iden ...


7
Eddie K Burnside, Bret Hamatake: Feeding device including balloon tip and method of manufacture. C R Bard, Rutan & Tucker, October 26, 2010: US07819840 (16 worldwide citation)

A feeding tube device for delivering a substance into a stomach of a patient is disclosed, comprising a feeding tube, an overlapping segment integrally formed with and extending from the distal end of the feeding tube, and an inflation lumen defined within the feeding tube. The overlapping segment m ...


8
Guy T Rome, William R Barron, Bret Hamatake: Valved catheter. C R Bard, Rutan & Tucker, December 21, 2010: US07854731 (13 worldwide citation)

A valved catheter that allows placement and withdrawal of an accessing device or attachable unit without the risk of air embolism or blood loss. In one variation, the valved catheter includes a catheter tube having a necked portion in its proximal end that forms an integral valve, the necked portion ...


9
Bret Hamatake, Robert L Kuster, Stephen L Richards: In vivo rezero apparatus for a pressure transducer. Becton Dickinson and Company, Eric M Lee, August 4, 1998: US05788642 (11 worldwide citation)

An in vivo rezero apparatus for a pressure transducer is disclosed. This invention includes embodiments where both sides of the pressure transducer are exposed to atmospheric pressure to rezero the pressure transducer and embodiments where both sides of the pressure transducer are exposed to physiol ...


10
Eddie K Burnside, Kelly B Powers, Shayne Messerly, Jiaye Z Jho, Bret Hamatake: Insertion guidance system for needles and medical components. C R Bard, Rutan & Tucker, January 31, 2017: US09554716 (9 worldwide citation)

A guidance system for assisting with the insertion of a needle or other medical component into the body of a patient is disclosed. The guidance system utilizes ultrasound imaging or other suitable imaging technology. In one embodiment, the guidance system comprises an imaging device including a prob ...