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Bioimplant Systems provides analysis of current information obtained from the United States Patent and Trademark Office and the Food and Drug Administration, as well as data and reports contributed by medical device manufacturers that are on the leading edge of developments for biocompatible implants. 

BIOSPHERE Online Market Intelligence Tool
BIOSPHERE is
Bioimplant Systems’ next online market intelligence tool.  BIOSPHERE will provide independent analysis of research results and an array of relevant metrics in a unified, searchable database.  The database architecture will include integration with a real-time system designed to track regulatory processes and patent rights implicated by biocompatible, implantable technologies currently on the market and other products under development. BIOSPHERE should enable the generation of reports comparing specific companies, product lines and market segments.  The legal framework module is being designed to include a system to track pending patents and existing patent rights.  Access to the new database will be structured as a subscription-based service. 

Premier customers will have the option to request customized reports that assess their respective product pipelines.  BIOSPHERE is being designed as an intelligent market intelligence tool. Access to Bioimplant Systems' BIOSPHERE system will be monitored and controlled with encryption and other advanced security measures.  Medical device manufacturers will not have access to their competitors' proprietary data through BIOSPHERE.   The scope of analysis anticipated to be offered will cover recent clinical studies and published data relating to market share, revenue potential, time to market, regulatory issues involving efficacy, risks and related information. 

A specific area of untapped value is in the market segments for drug eluting coronary stent devices and hernia repair devices.  Recently issued patents have the potential to substantially shift the balance of market share in these spaces.  For example, BIOSPHERE analysts are currently reviewing patents and patent applications for drug-eluting coronary stents invented by Rodney G. Wolff, Vincent W. Hull, Walter J. Ledergerber, Qiyi Luo, Yi Zhuang, Zhirong Tang, and Orhan Soykan.” It was clarified: “Bioimplant Systems’ value proposition rests on its team of analysts who will collaborate with research laboratories to verify the results of clinical studies. Specialized legal teams will be assembled to review pending and existing patents and to identify prospects for IP licensing and potential assignments. Bioimplant Systems’ BIOSPHERE online market intelligence tool is anticipated to launch in Q4 2007.”


Featured Inventor:  Walter J. Ledergerber

Click here to see list of patents filed by and issued to Walter J. Ledergerber


Drug Eluting Coronary Stents

Bioimplant Systems / February 2006 -  WO 2004/105639 A3 (PDF: 67 kb)

Republished by WIPO on February 24, 2005, this PCT application has gained considerable interest by biotechnology investors.
Drug Eluting Stent

"The present invention provides for reinforced and drug eluting stent-grafts (100) and related methods of implanting and manufacturing the stent-grafts. A stent-graft (100) of the present invention may include a tubular stent (110), a biocompatible covering (140) surrounding the stent and a supporting collar (130) coupled to the proximal end of the stent-graft. A drug agent may be applied to a textured external surface layer of the biocompatible covering, or alternatively to a space between the textured external surface (120) and a smooth (122) luminal surface layer of the biocompatible covering, and allowed to elute over time into a wall of a body lumen after the stent-graft is deployed. The collar (130) of the stent-graft absorbs pressure exerted on the stent-graft by fluid flow within the body lumen in order to minimize potential damage to the stent-graft, and may also include barbs to further secure the stent-graft to the body lumen."
Read the full text of this international patent filed by Walter J. Ledergerber on May 27, 2004


Products and Patents Under the Microscope

Bioimplant Systems / January 2006 -   Cellular and tissue-based products are relatively new entrants into the medical device market and these types of products face regulatory hurdles, clinical risks, and related legislative concerns.  Legal issues implicated by the use of cellular and tissue-based products present numerous financial obstacles and market risks.  The legal landscape around the world is not consistent.  For example, the use of stem cells is acceptable in some countries for some purposes but only under certain circumstances.  In other countries, the use of stem cells poses no moral questions or concerns.  Yet, some countries prohibit the derivation of embryonic stem cells, but do not specifically prohibit such research using existing lines. 

The United States, China, and Brazil are the only countries that currently have consistent policies.     In the United States' medical device market, the Food and Drug Administration, National Institutes of Health, Centers for Disease Control, and state regulators directly affect the outcome of development and a product lifecycle.  Research that touches these legal issues is also regulated.  Moreover, the safety and efficacy of drug-eluting stents has been the subject of recent litigation between major medical device manufacturers in the United States.   Synthetic, biocompatible materials used for prostheses have been used in successful medical device products for many years.  Stent restenosis in the coronary artery of the average patient could be substantially mitigated by a combination of existing inventions.    Recent double-blind studies and follow up studies thereto have confirmed that the use of synthetic, biocompatible materials in the design of drug-eluting stents are potentially safer than alternative product designs.    BIOSPHERE examines products currently available in the market, patented ideas, and ideas for products in the pipeline to offer device manufacturers, scientists, and physicians a synthesized, cross-sectional view of the core medical and legal issues. 

BIOSPHERE is committed to its review and analysis of the medical device market in an effort to substantially mitigate stent restenosis.  Other segments of the medical device market will also be fully examined.   Every month Bioimplant Systems features a medical challenge and an inventor who has contributed to the relevant body of knowledge and fostered meaningful improvements for relevant medical devices.  This month our featured inventor is Walter J. Ledergerber.  Bioimplant Systems will undertake a comprehensive review of all patented ideas relating to drug-eluting stents.  Many other inventors have also made valuable contributions in these areas.  Bioimplant Systems plans to include current, relevant data and analysis about drug-eluting stents in its BIOSPHERE online application.  


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