Susan B. Mikell
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2014-321 – TGR5 antagonist for the treatment of cholangiopathies including polycystic liver disease.
2014-102 – The device harvests a small strip of rectus fascia (1 x 5 cm) by simultaneously dilating the rectus fascial, stapling and then cutting the fascia. The device is small enough to fit through a 3-5 cm lower abdominal incision and articulates to an adjustable angle to account for possible patient obesity.
2008-229 – Computer input devices are claimed for use in manipulating digital images on a display apparatus in, for example, medical diagnostics. A computer input device as claimed may be particularly useful for manipulation of one or more digital images such as, for example, digital histological images, including but not limited to images of a microscopic tissue section. Manipulation of digital... Read More
2011-044 – Technology Description Triple reuptake inhibitors (TRIs) are a relatively new class of antidepressants that impact dopamine, serotonin and norepinephrine neurotransmission. Mayo Clinic researchers, in collaboration with researchers from Virginia Tech, developed a novel TRI (PRC200-SS) with potent transporter binding and efficacy in mouse behavioral models. A large pharmaceutical company... Read More
2013-105 – The ε4 allele of the apolipoprotein E (APOE) gene is the strongest genetic risk factor for late-onset Alzheimer’s disease (AD) compared to the more common ε3 allele. Studies in animal models and humans suggest that apoE4 exhibits both loss-of-function and gain-of-toxic-function compared to apoE3. In regulating amyloid pathology, apoE4 is less efficient than apoE3 in mediating the clearance of... Read More
2013-099 – Immobilization board that would be positioned under patient’s pelvis. This would allow radiation therapist to tilt pelvis when aligning patient for treatment.
2013-014 – Laparoscopic Bowel Retractor for Intra-Abdominal Surgical Exposure. Development of a device that has an ease of operation and keeps the bowel away from the surgical area.
2012-258 – We have invented an apparatus that automates the standard Drosophila climbing behavioral assay. Traditionally, the climbing assay is performed manually, one vial at a time using the human eye and a stopwatch. 10 flies are place in a vial with a mark placed 2cm from the bottom of the vail. The flies are tapped down to the bottom of the vial by hand and a stopwatch started. The number of flies... Read More
2012-182 – Lung cancer is the leading couse of cancer deaths in the United States. Lobectomy is the gold standard extent of resection for most lung cancers, but some patients are poor candidates for lobectomy due to poor pulmonary health/function and/or other comorbities. Sublobar resection, the removal of less than a lobe of the lung, is a compromise procedure for these patients in that it allows for... Read More
2012-150 – Patients who develop obstruction in the gastrointestinal track due to inflammatory strictures, or failure of sphincter muscles to relax, are benefitted by relief of that obstruction. Mayo has developed a device to stabilize the position and control length and depth. The device can be used in an lumen (gastrointestinal, vascular, urologic, gynecologic, pulmonary etc).
Apoptotic Response to DNA Damage in Pluripotent Stem Cells Facilitates Pharmacologic Purging of Teratoma Forming Progenitor Cells
2012-090 – Pluripotent stem cells have been the focus of bioengineering efforts designed to generate regenerative products, yet harnessing therapeutic capacity while minimizing the risk of dysregulated growth remains a formidable challenge. The risk of residual undifferentiated stem cells within differentiated progenitors requires a targeted approach to eliminate contaminating cells prior to in vivo... Read More
2012-073 – Erectile dysfunction (ED) is estimated to affect 20-30% of men between the ages of 40-80 years. In cases of medication-resistant ED, surgical treatment, and especially penile prosthesis implantation is the standard of care. Complications of surgery can include neurovascular and urethral injury, and other tissue damage that can contribute to sub-optimal outcomes. A Mayo Clinic investigator... Read More
2012-051 – The Weighted Deaver Retractor was designed in response to surgeon and patient needs for a more ergonomic and efficient tool to be used during gynecological or urological surgery. The current deaver retractor on the market now requires a surgical assistant to grasp and retract to allow for increased visibility for the surgeon. Presently, the deaver retractor being used today cannot hold... Read More
Nuclear Reprogramming Through Oxygen-Independent Metabotype Purges Dysfunctional Mitochondrial Heteroplasmy
2012-007 – Mitochondrial disease is inherited through maternal transmission of mutated mitochondrial DNA (mtDNA) with disease phenotypes determined by the unpredictable mixture of mutant and wild-type mtDNA. Mitochondrial heteroplasmy is dependent upon stochastic segregation of mtDNA into discrete units during early embryogenesis as mtDNA replication is shut off during blastomere expansion. Since... Read More
2011-267 – Ink filled disk placed on patient at time of simulation (CT). Used to help mark and guide needle to give permanent tattoo.
Photo-Degradable Polycaprolactone Fumarate Block Copolymers: The First Example of Approaches to Nanoporous Biomaterials
2011-242 – Nanoporous materials have numerous applications in nonmedical industries for uses such as membranes, surface patterning, and templates for inorganic materials. These applications have typically used block copolymer (one example is A-B block copolymer) self-assembly, the block copolymers assembly by phase separation of A and B blocks to form nanostructures. Although these types of... Read More
2011-197 – Many attempts have been made to replace circumferential segments of the esophagus with tubular prostheses of various materials, but experimental and clinical trials have not been successful due to frequent complications. An artificial esophageal replacement device which aims to overcome the problems of the previous attempts. Development of viable esophageal replacement would dramatically... Read More
2011-188 – Ileostomy or colostomy are common permanent bowel procedures performed for inflammatory disease, trauma, or cancer. The development of an internal reservoir, obviating the need for an external appliance, has been hampered by the need for an interface between living tissue and the device. The invention disclosed herein is an adaptation of a floating ball valve. Within the bowel lumen lies a... Read More
2011-104 – Ileostomy patients with highly liquid effluent can experience high frequency emptying requirements that can be inconvenient to patients. This invention is a dual chamber ostomy pouch with the chambers separated by a filter. The filter allows water to pass into the second chamber while containing solid waste in the first chamber. The chambers can have separate drain valves allowing them to be... Read More
2011-097 – Polypropylene fumarate (PPF) is a biodegradable polyester that can be fabricated into any 3-dimensional structure via stereolithography, and implanted to stabilize bone defects while regenerating bone infiltrates, degrades, and ulitimately replaces the PPF scaffold. In order to increase the PPF scaffolds ability to promote bone regeneration the scaffolds were coated with three calcium... Read More
2011-092 – T cells drive adaptive immune responses that can turn out pathogenic when directed against your own body tissues and organs causing autoimmune diseases. On the other hand, T cells are the main cellular component driving acute organ rejection after transplantation. Therefore different strategies to deplete/inactivate T cells have been pursued to treat patients either suffering from autoimmime... Read More
2011-001 – PCLF is currently about to enter clinical trials as a nerve conduit for guiding nerve regeneration across segmental defects. Unlike previous PCLF formulations that lead to the toxic small molecule diethylene glycol in concentrations exceeding the FDA limit, this invention utilizes 1,2 propanediol or glycerol as the initiators for the polymerization of PCL multi-alcohols as necessary for the... Read More
2010-294 – In laparoscopic radical prostatectomy (RP), the pedicle is transected, but care must be taken to preserve the adjacent neurovascular bundle. Electrocautery or other hemostatic energy sources are not used due to concerns over collateral thermal damage, adhesives or sutures alone have not been shown to provide reliable hemostatis, and existing clips can be difficult to place and adjust. A... Read More
2010-278 – Nuclear reprogramming technology has provided the fundamental basis to convert ordinary cells in the adult body into pluripotent stem cells that can function as embryonic stem cells. This bioengineering platform enables a revolutionary breakthrough for stem cell biology and regenerative medicine applications despite current technology being challenged by low efficiencies and ill-defined... Read More
2010-238 – There is a need for an inexpensive, small laparoscopic scope holder that would allow for maximum flexibility and rapid position changes. We have designed a small manually adjustable holder that can be disposable or reusable (on a limited basis). This device sits at the abdominal opening and remains stable by means of adhesive tape at the lower rim. There are no robotic mounts or arms holding... Read More
2010-233 – The inner ear vestibular system reflexively controls eye position in the orbits. For example, when the head is tilted to the side (ear moved toward the shoulder) the eyes roll in the opposite direction so that they stay oriented to the horizon. This eye movement is called head tilt induced ocular counter roll and is mediated in part by the otolith organs of the vascular system. Damage to... Read More
2010-168 – The caloric test is commonly used as an assessment of vestibular function. The test entails delivering air or water into the external ear canal at varying temperatures, thereby stimulating vestibular labyrinthine responses. Historically, water has been the preferred stimulus for the caloric test. However, pumping air into the external canal is more convenient and is increasingly popular in... Read More
2010-157 – Transoral robotic surgery (TORS) offers potential advantages and benefits over other current treatment modalities in surgical procedures of the head and neck, but in some patients, inadequate exposure to target tissues reduces the number of cases that can be performed by this method. Transoral retractors are used to provide access to a patient’s oral cavity and larynx during these procedures,... Read More
2009-375 – Existing systems for positioning a patient for radiation therapy treatment include use of moldable masks (aquaplast) that aid in alignment of bony anatomy and fiducial markers and the tumor target. The current process of aligning the multiple markers can be time consuming and tedious. Gloves are required and the reflective surface coating on the markers is prone to wear out. This invention... Read More
2009-315 – Devices and methods for in situ graft fenestration. These concepts are meant to modify aortic stent grafts to allow for placement of branch stent grafts off of the main graft body to cannulate vessels such at the renal arteries. The core concept is to utilize devices placed both within the lumen of the aortic graft and on the outside surface of the aortic graft to create a fenestration... Read More
2009-300 – An endoscopic vessel harvesting device/modification will allow for independent fixation of vessel branches during the harvesting process, and thereby minimizing vessel shrinkage during vessel cauterization. This device/modification will also redirect vessel tension away from the origin of the primary vessel during the harvesting process. This redirection of stress forces along the vessel... Read More
Portable Photodynamic Therapy Dosimetry Device - Hand-Held Optical Device for Rapid Determination of Local Tissue Photosensitizer Content and Oxygenation
2009-258 – This invention is a convenient, portable optical instrument for use in photodynamic therapy (PDT) dosimetry. It will provide real-time values of photosensitizer content in tissue as well as values of local tissue as well as values of local tissue oxygenation. The instrument contains a laser light source and a broad band (white) light as well as an optical detector. A fiber optic cable is... Read More
2009-139 – Technology Description Mayo Clinic researchers have exploited normal blood-brain barrier (BBB) transport mechanisms utilized by apolipoproteins to deliver agents across the BBB and have designed peptides incorporating apolipoprotein LDL receptor binding sequences. These peptides contain additional amino acid sequences to facilitate the binding and delivery of various biological and chemical... Read More
2009-131 – CD2 Binding Agents for Decreasing Suppressive Monocytes in Cancer and Sepsis CD2 binding molecules, such as alefacept, have been shown to deplete immunosuppressive monocytes (e.g., CD14+/DR- or CD14+/DRlow) in patients with lymphoma. Increased levels of immunosuppressive monocytes have been found to be associated with poor prognosis. Continued depletion of immunosuppressive monocytes appeared... Read More
2009-107 – A device which allows for rapid cleaning of the colon in preparation for colon examination by an endoscope or other imaging methods such as CT or MR colonography. The device is aimed at facilitating colonic lavage to allow either minimal prep, or no prep prior to colonoscopy.
2009-055 – Hydogels have wide applications in the biomedical field due to their ability to absorb incredible amounts of aqueous solutions and support cell viability. One particular application hydrogels are being investigated for is nerveguidance conduits to direct and stimulate nerve regeneration by supporting cell growth while simulatanously delivering biologically active molecules. Incorporation of... Read More
2008-380 – A novel electrically conductive polymer composite composed of polycaprolactone fumarate- polypyrrole (PCLF-PPy) for applications in nerve regeneration is disclosed. The synthesis and characterization of PCLF-PPy and in vitro studies showing PCLF-PPy supports both PC12 cell and dorsal root ganglia neurite extension. PCLF-PPy composite materials were synthesized by polymerizing pyrrole in... Read More
2008-348 – Radiation therapy treatment is used in nearly two-thirds of all cancer patients. Accurate targeting of the tumor over the treatment period is critical to effective therapy. Placement of permanent tattoos is the current standard practice to aid in the alignment and targeting of radiation therapy over multiple treatments. Existing tattoo methods involve the use of freehand needle sticks,... Read More
2008-317 – A novel electrically conductive polymer composite composed of polycaprolactone fumarate- polypyrrole (PCLF-PPy) for applications in nerve regeneration is disclosed. The synthesis and characterization of PCLF-PPy and in vitro studies showing PCLF-PPy supports both PC12 cell and dorsal root ganglia neurite extension. PCLF-PPy composite materials were synthesized by polymerizing pyrrole in... Read More
2008-195 – Retroviral or lentiviral vector-mediated stable introduction of some stem cell-associated genes can reprogram adult somatic cells into embryonic stem cell-like “induced pluripotent stem (iPS) cells.” Our inventions are i) cross-species reprogramming (e.g. use of human factors to generate iPS cells from non-human origin, such as a mouse, rat, hampster, cat, dog, pig, cow, sheep, horse or... Read More
2006-224 – This is to provide knowledge about the use of neurotensin receptor agonists for treatment of various medical problems, including acute and chronic pain due to various causes and abuse of various types of psychostimulants (such as nicotine, cocaine, and amphetamines).
2006-154 – To increase progranulin in animals, progranulin levels and biologically active fragments of progranulin can be elevated in animals by direct administration of the protein or its fragments, either in the presence or absence of agents that stabilize the biological activity. Routes of delivery include, but are not limited to, intranasal, oral, inhalation, intracerebro-ventricular injection,... Read More
2005-318 – Mayo Clinic Researchers have created a positively charged hydrogel for controlled DNA delivery for cell transplantation. Oligo- (polyethylene glycol) fumarate (OPF) hydrogel was copolymerized with 2-(methacryloyloxy) ethyl-trimethylammonium chloride (MAETAC) to produce a positively charged hydrogel. This hydrogel can be crosslinked with multiple systems and fabricated into sheets, sponges,... Read More
2005-237 – A protein from the fungus alternaria which induces recruitment and activation of eosinophils.
Hydrophilic/hydrophobic Hybrid Polymer Networks Based on Poly(caprolactone fumarate) (PCLF), Poly(Ethylene Glycol Fumarate) (PEGF), and PEGF-co-PCLF
2005-077 – We have developed a new route to synthesize the biodegradeable and injectable polymer poly(ethylene glycol fumarate) (PEGF) and its copolymer with Poly (caprolactone fumarate) (PCLF), PEGF-co-PCLF. These materials can be crosslinked with other unsaturated polymers via redox- or photo-initiation to form hybrid polymer networks. Characteristics of these hybrid networks, such as... Read More
2005-021 – Injectable, biodegradable oligo(poly(ethylene glycol) fumarate) (OPF) hydrogels were made from photopolymerization of OPF macromer with UV light and photoinitiator. Hydrogels with varying mechanical property and water content can be made with the change in macromer and crosslinking agent concentration in precursor solution. The biodegradable OPF hydrogels can be injected as fluid into the... Read More
2004-258 – Mayo Clinic Researchers have developed a new synthetic, biodegradable, injectable polymer, poly (epsilon-caprolactone fumarate) that is also photocrosslinkable. This new material is colorless or light-colored, and is shown to be self-crosslinkable by both redox initiation and photoinitiation. The molecular weight, chain flexibility, crystallinity, degradation rate, and mechanical properties... Read More
2004-200 – Mayo Clinic Researchers have developed a new synthetic, biodegradable, injectable polymer, poly (propylene fumarate-co-caprolactone) [P(PF-co-CL)]. This new material is a block copolymer of poly (propylene fumarate) (PPF) and poly (epsilon caprolactone) (PCL). The molecular weight, mechanical strength, chain flexibility, degradation rate, and crystallinity can be controlled by varying the... Read More
2004-085 – Tissue engineering scaffolds are biomimetic “trellis-like” structures which, on implantation and integration, act as tissue/organ surrogates. This disclosure enables the construction of multi-resolution, variably-refineable, globally interconnected, monolithic and maximally porous scaffolds.
2004-084 – Tissue engineering attempts to address the widening gap between the demand and supply of organ and tissue transplants using natural and biomimetic scaffolds. This invention provides a method to enable the repeatable and rapid fabrication of structurally and functionally enhanced and maximally characterized traditional scaffolds.