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Markets & Applications >> Medical >> Medium and Large Bone Drills and Saws

Portescap builds motors for application in Bone Drills and Saws

Medium & Large Bone Drills & Saws

For orthopedic surgeons performing multiple operations in a day, hand tools that are powerful and precise are a must. Additionally, a smaller, more lightweight version of the tool would be a welcome relief. Whether it's for a partial knee-joint reconstruction, a total hip replacement or an osteotomy on a large bone, these applications demand high power.

Portescap custom-wound 9.6v - 14.4v battery powered BLDC motors are designed to maximize torque for the toughest cases while maintaining the highest efficiency to power through surgeries on a single battery charge. Coupled to a gear-head, these surgical device motors allow surgeons to drive reaming attachments, large K-wire and Steinmann pins with ease. Custom hollow-shaft motor designs enable the creation of wire drivers where the motor sits in the top of the hand tool, and allows passage of wires or pins. Bevel gears and low heat generation features allow motors to be installed vertically in the handle for clear line of sight for oscillating/reciprocating saws, reamers and drills.

Benefits

  • High torque to power through the toughest cases.
  • Customizable voltage to accommodate various battery technology options
  • Accurate speed response for applications ranging from sawing to drilling and reaming.
  • 1,000+ autoclave cycle reliability for increased instrument life and reduced service cost.
  • Hollow shaft for streamlined hand tool design.
  • High efficiency for reduced battery size and longer operating cycles.

    Available Customization and Options

  • Custom output shaft and interface features for modular hand tool designs.
  • Hollow shaft design for wire drivers.
  • Front / side lead wire output for ease of assembly in hand tool.
  • Custom shafts and housing seals for added reliability.

Motors that we suggest to power your application:

Motor

D
(mm/in)

L
(mm/in)

Technology

Max. Cont. Torque
(Oz.in/mNm)

Peak Torque
(Oz.in/mNm)

No Load Speed
(rpm)

Positioning
Control

B09 Series

22.9/0.9

45-62/1.77-2.44

Autoclavable BLDC

5.35/38

42/297

53,000

Hall sensors

B11 Series

27.9/1.1

50-76/1.97-3

Autoclavable BLDC

13.4/95

104/732

48,000

Hall sensors

Gearheads

D
(mm/in)

Type

Ratio

Max. Cont. Torque
(Oz.in/mNm)

Peak Torque
(Oz.in/mNm

Option


Size 9

22.9/0.6

Autoclavable Planetary

5 to 125:1*

162/1,144

320/2,260

Custom ratio

 
Size 11

27.9/1.1

Autoclavable Planetary

5 to 125:1*

375/2,648

750/5,296

Custom ratio