1
Berthold Hofling: Plural needle injection catheter. Bavaria Medizin Technologie, Klaus J Bach, October 11, 1994: US05354279 (301 worldwide citation)

A catheter for the injection of a fluid, for example, medicine, into body cavities such as veins or other hollow organs is provided with a head which is insertable into the body cavity and includes hollow needles movably disposed therein between retracted and extended positions and with an operating ...


2
Berthold Hofling: Catheter for injecting a fluid or medicine. Bavaria Medizin Technologie, Klaus J Bach, May 30, 1995: US05419777 (283 worldwide citation)

An injection catheter including a catheter stem, a cathetertip, and a bundle of injection needles, wherein either the catheter tip is axially displaceable relative to the catheter shaft or the catheter tip is fixedly connected to the catheter stem and the bundle of injection needles is longitudinall ...


3
Berthold Hofling: Sleeve catheter. Bavaria Medizin Technologie, Klaus J Bach, November 15, 1994: US05364356 (89 worldwide citation)

In a sleeve catheter for supplying medicine to the walls of a vessel or tubular organ in which a number of outer lumina extend longitudinally around a central lumen, the outer lumina have radial discharge openings in the area of the head portion of the catheter, which is slidable onto a balloon cath ...


4

5

6
Berthold Hofling: Sleeve catheter. Bavaria Medizin Technologie, December 1, 1994: TW235246

In a sleeve catheter for supplying medicine to the walls of a ?vessel or tubular organ in which a number of outer lumina extend ?longitudinally around a central lumen, the outer lumina have ?radial discharge openings in the area of the head portion of the ?catheter, which is slidable onto a balloon ...


7

8

9