Roche sends Illumina investors yet another 'dear shareholder' letter; Covidien wins patent spat;

@FierceMedDev: St Jude To Stop Selling Another Version Of Defibrillator Wires, via Fox News. Item | Follow @FierceMedDev

> Covidien's ($COV) trocar medical instruments don't infringe a patent held by Applied Medical Resources, the U.S. District Court for the Central District of California has ruled. Release

> Roche ($RHHBY) has issued yet another "dear shareholder" letter in its bid to acquire Illumina ($ILMN). The letter urges shareholders to sell their shares in response to the Swiss company's sweetened offer. Release

> Sen. Scott Brown (R-MA) told an audience of business leaders and constituents that the 2.3% medical device tax will crush the state's device industry and cause layoffs or overseas outsourcing. Story

> Abiomed ($ABMD) says it has achieved the first successful human use of the Impella cVAD device, a heart pump inserted under the skin--via a catheter--without surgery. Release

> Anulex Technologies has gained expanded FDA clearance to use its fiXate tissue band to secure intrathecal pain pump catheters in the same tissue. Release

And Finally... Manitoba, Canada, wants public feedback as it prepares to place defibrillators in public spaces to comply with the country's Defibrillator Public Access Act. Story