1
Leonard J Bonnell, Edward H McHugh, Douglas D Sjostrom, Lanny L Johnson: Surgical instrument suitable for closed surgery such as of the knee. Dyonics, May 20, 1980: US04203444 (570 worldwide citation)

A surgical instrument useful in joint surgery for instance closed surgery of the knee. When in the form of a rotary vacuum shaver it comprises an external stationary tube having a side-facing, axially extending shaving port and an internal rotary blade capable of rotating at a slow speed, of the ord ...


2
Douglas D Sjostrom, Edvin Zemgals: Surgical system for powered instruments. Dyonics, November 10, 1987: US04705038 (362 worldwide citation)

A single-motor surgical system for operating a set of different surgical devices having different operational limits, consisting of a handpiece containing the motor and adapted to alternately receive a proximal portion of each of the surgical devices, each device having an indicator on its proximal ...


3
Terry L Whipple, Douglas D Sjostrom: Surgical instrument. May 5, 1987: US04662371 (235 worldwide citation)

Cutting-suctioning instrument having an elongated support and first and second, opposed distal jaws, at least one of which is pivotable about a transverse axis and adapted to be closed by an actuator, and a suction throat defined between proximal portions of the two jaws. Preferably, a sliding inner ...


4
Terry L Whipple, Douglas D Sjostrom: Surgical instrument. Dyonics, June 11, 1985: US04522206 (198 worldwide citation)

Cutting-suctioning instrument having an elongated support and first and second, opposed distal jaws, at least one of which is pivotable about a transverse axis and adapted to be closed by an actuator, and a suction throat defined between proximal portions of the two jaws. Preferably, a sliding inner ...


5
Parviz Kambin, Douglas D Sjostrom: Deflecting forceps. Smith & Nephew Dyonics, Pravel Hewitt Kimball & Krieger, October 11, 1994: US05354311 (162 worldwide citation)

A forceps having forceps jaws operated by manually operable handle also has a cable connected between the forceps jaws and a manually operable actuator such that the forceps jaws are swung to a desired position when the actuator is operated.


6
Kenneth W Krause, Douglas D Sjostrom: Motor controlled surgical system and method having positional control. Smith & Nephew Endoscopy, Fish & Richardson P C, February 11, 1997: US05602449 (152 worldwide citation)

A surgical system, adapted to operate with at least one surgical device, has a handpiece containing a motor which is adapted to receive the surgical device. The surgical device is driven through a continuum of positions by the motor output shaft. A controller microprocessor controls the operation of ...


7
Douglas D Sjostrom: Magnetic switching element for controlling a surgical device. Smith & Nephew Endoscopy, Fish & Richardson P C, January 27, 1998: US05712543 (148 worldwide citation)

An apparatus for controlling a surgical device includes a housing and a magnetic switching element mounted on the housing. The magnetic switching element includes a magnet, a magnetic sensor configured to produce a control signal for controlling the surgical device, and an actuator mounted on the ho ...


8
Douglas D Sjostrom, Peter M Cesarini, Paul A Torrie, Graham Smith, Steven Ek: Surgical instrument handpiece and system. Smith & Nephew Endoscopy, Fish & Richardson PC, February 16, 1999: US05871493 (107 worldwide citation)

A surgical apparatus includes a body configured for insertion into a bore of a surgical handpiece and a latch that includes a resilient member connected to the body. The resilient member has a latching structure configured to latchingly engage a surface of the surgical handpiece within the bore.


9
Douglas D Sjostrom: Arthroscopic surgical instrument. Dyonics, May 30, 1989: US04834729 (95 worldwide citation)

An arthroscopic surgical instrument consists of an outer stationary member having a distal aperture, the wall of the outer member defining a first cutting edge at the aperture; an internal movable member disposed within the outer member, adapted to be power driven and having a second cutting edge ar ...


10
Douglas D Sjostrom, Michael A Fritschy, Peter M Cesarini, Alexander Grinberg, William G McGee, Graham Smith: Surgical instrument with embedded coding element. Smith & Nephew, Fish & Richardson P C, May 12, 1998: US05749885 (91 worldwide citation)

A surgical instrument includes a plastic hub which is received by a handpiece for operating the instrument. The plastic hub includes a wall that encloses a passage that receives a surgical tool-carrying member, and at least one detectable coding element is embedded at a selected circumferential posi ...