1
Ernest Lane: Bioprosthetic heart valve with elastic commissures. Carbomedics, John R Merkling, August 6, 1991: US05037434 (438 worldwide citation)

A bioprosthetic heart valve comprising first and second mechanisms for supporting leaflets to provide multiple effective spring constants. An inner frame supporting commissures of the valve is elastic, permitting the commissures to bend in toward the center of the prosthetic heart valve at very low ...


2
Benjamin D Pless, Michael B Sweeney: Pacemaker for detecting and terminating a tachycardia. Intermedics, John R Merkling, November 14, 1989: US04880005 (288 worldwide citation)

A heart pacemaker detects pace-terminable tachycardia conditions in the atrium of the heart in accordance with selected high rate, rate stability, sudden onset and sustained high rate criteria. When a pace-terminable tachycardia is detected, programmed treatment modalities are applied to attempt to ...


3
Xintao Wang, Jennifer L Hay: Enhanced transcutaneous recharging system for battery powered implantable medical device. Sulzer Intermedics, John R Merkling, December 30, 1997: US05702431 (278 worldwide citation)

An improved transcutaneous energy transmission device is disclosed for charging rechargeable batteries in an implanted medical device and to minimize peak temperature rises in the implanted device. A current with a sinusoidal waveform is applied to a resonant circuit comprising a primary coil and a ...


4
James L Dale, Brian D Burkinshaw, Wayne Z Burkhead: Humeral osteotomy guide. Intermedics Orthopedics, John R Merkling, January 16, 1990: US04893619 (278 worldwide citation)

A device for guiding an osteotomy to be performed on the proximal end of a humerus that has a proximal sawguide alignable on a selected surface of the proximal end of the humerus for defining a saw line thereon; a radial arm connecting the sawguide to a distal mechanism for stably aligning the sawgu ...


5
Aaron A Hofmann, Albert G Burdulis Jr: Upper tibial osteotomy system. Intermedics Orthopedics, John R Merkling, October 1, 1991: US05053039 (238 worldwide citation)

A method and apparatus for performing an upper tibia osteotomy comprising cutting a wedge from the bone using a first guide assembly to cut a first slot partially through a bone and a second guide assembly to cut a second intersecting slot to define a wedge shaped bone segment. An external compresso ...


6
Ashok P Nedungadi, Xintao Wang: Data communication system for control of transcutaneous energy transmission to an implantable medical device. Sulzer Intermedics, John R Merkling, February 3, 1998: US05713939 (228 worldwide citation)

A data communication system for control of transcutaneous energy transmission to an implantable medical device is disclosed having an implantable medical device with rechargeable batteries and a single coil that is employed both for energy transmission and data telemetry. Control circuitry in the im ...


7
Nizam N Meah: Implantable esophageal sphincter apparatus for gastroesophageal reflux disease and method. John R Merkling, August 13, 2002: US06432040 (223 worldwide citation)

An implantable esophageal sphincter apparatus with an adjustable band to be placed at the lower part of the esophagus. The inflation of the band, or sphincter body, can be increased or decreased to adjust the tightness of the device. The inflatable sphincter body may be wrapped around the esophagus ...


8
Edward A Schroeppel, David Prutchi, Andre G Routh: Implantable medical device responsive to heart rate variability analysis. Sulzer Intermedics, John R Merkling, May 12, 1998: US05749900 (194 worldwide citation)

A method and apparatus for evaluating heart rate variability of the heart of a person in order to forecast a cardiac event. A cardiac stimulator receives heart beat signals from the heart and determines a measurement of heart rate variability based on statistical data derived from the heart beat sig ...


9
Joseph A Sauter, Louis A Campbell: Combined prosthetic aortic heart valve and vascular graft. Carbomedics, John R Merkling, June 23, 1992: US05123919 (193 worldwide citation)

A combined mechanical heart valve and vascular graft having a shortened transition area between the valve and the graft. The mechanical valve comprises a rigid circular annulus supporting internal leaflets. A stiffening ring surrounds the annulus and provides support for a sewing ring to attach the ...


10
Prataprai R Chowdhary: Surgical implant having multiple layers of sintered porous coating and method. Intermedics Orthopedics, John R Merkling, April 14, 1992: US05104410 (180 worldwide citation)

A surgical prosthetic device for implant in a patient and method for making said device, the device comprising a composite structure having a solid metal substrate and a porous coating with multiple sintered layers. The porous coating has an external layer to accept bone ingrowth. An intermediate la ...