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Motors for Surgical Robots

Surgical Robots
Surgical Robots

Challenge 

As robotic surgery becomes more widely used for different surgical procedures, robotic devices need increasingly greater types of motors for different applications. Portescap's wide portfolio of motor technologies and extensive experience in the medical space make Portescap a one-stop location for all of your robotic device development needs.

Portescap's large-size high-torque DC motors fitted with hall sensors or step technology provides the precise positioning needed for intricate robot motion control. Additionally, Portescap's autoclavable DC product line provides high-speed, high-torque, high-precision, reusable motors that can be used to power any endoscopic, arthroscopic, or orthopedic end surgical tool needed.

Benefits 

  • A wide product portfolio able to provide virtually all robotic motion needs from a single vendor

  • Full motion solutions able to provide high speed, torque, feedback and precise position control

  • Customizable mechanical interfaces for seamless integration into the end device

  • Customizable magnetic coil design to provide the exact motor torque and speed performance needed

  • Sterilizable motors capable of 1,000+ autoclave cycles available to help reduce end user replacement costs

Customization Options 

  • Encoder feedback precision up to 512 counts per rotation in a small integrated package

  • Custom output shaft and interface features

  • Front and side lead wire output available for ease of assembly and configuration

  • Electrical magnetic coil customization to meet exact device torque and speed needs

  • Autoclavable or non-autoclavable designs available

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(in) Diameter{%BR%}(mm) No-Load Speed{%BR%}(rpm) Typical No-Load Current{%BR%}(mA) Max continuous mechanical power (@ 25°C){%BR%}(W) Max Continuous Torque{%BR%}(mNm) Max Continuous Torque{%BR%}(oz-in) Torque Constant (oz-in/A) Torque Constant (mNm/A) Max motor speed{%BR%}(rpm)
22ECP45 ULTRA EC 0.87 22 8,370 25 80.0 27.70 3.92 3.82 27.00 47,000
22ECP60 ULTRA EC 0.87 22 8,050 40 120.0 50.50 7.20 3.99 28.30 38,000
22ECS45 ULTRA EC 0.90 22 68,500 300 120.0 26.80 3.80 0.47 3.30 73,000
22ECT60 ULTRA EC 0.87 22 12,350 170 86.0 66.90 9.47 2.66 18.77 20,000
22ECT82 ULTRA EC 0.87 22 7,800 130 104.0 98.30 13.92 4.36 30.79 20,000

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(in) Diameter{%BR%}(mm) Max No-Load Current{%BR%}(mA) No-Load Speed{%BR%}(rpm) Continuous Stall Torque{%BR%}(mNm) Continuous Stall Torque{%BR%}(oz-in) Continuous Stall Current{%BR%}(A) Peak Torque for 1s{%BR%}(mNm) Peak Torque for 1s{%BR%}(oz-in) Torque Constant (oz-in/A) Torque Constant (mNm/A)
Large Bone Orthopedic Saw/Reamer (9.6V) 1.24 31.5 1 130 16,928 76.2 10.80 16.50 1 432.4 202.8 0.77 5.41
Large Bone Orthopedic Saw/Reamer (12V) 1.24 31.5 1 060 15,887 82.1 11.60 13.30 1 562.6 221.3 1.02 7.20
Large Bone Orthopedic Saw/Reamer (14.4V) 1.24 31.5 850 15,245 88.0 12.50 11.40 1 720.1 243.6 1.28 9.01
Large Bone Orthopedic Drill (9.6V) 1.24 31.5 1 130 16,928 76.2 10.80 16.50 1 432.4 202.8 0.77 5.41
Large Bone Orthopedic Drill (12V) 1.24 31.5 1 060 15,887 82.1 11.60 11.40 1 720.1 243.6 1.02 7.20
Large Bone Orthopedic Drill (14.4V) 1.24 31.5 850 15,245 88.0 12.50 11.40 1 720.1 243.6 1.28 9.01

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(in) Diameter{%BR%}(mm) No-Load Speed{%BR%}(rpm) No-Load Current{%BR%}(mA) Output Power{%BR%}(W) Stall Torque{%BR%}(oz-in) Stall Torque{%BR%}(mNm) Torque up to{%BR%}(oz-in) Torque up to{%BR%}(mNm) Torque Constant (oz-in/A) Torque Constant (mNm/A)
22N78 Athlonix 0.87 22 6,350 1.0 10.0 4.53 32.00 1.83 12.90 10.20 72.0
24DCT Athlonix - Graphite 0.94 24 7,602 8.0 8.4 8.72 61.60 1.92 13.53 8.48 59.9
24DCT Athlonix - Precious Metal 0.94 24 7,631 4.0 8.6 8.79 62.10 1.95 13.79 8.48 59.9

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(in) Diameter{%BR%}(mm) Holding Torque, Typical{%BR%}(mNm) Holding Torque, Typical{%BR%}(oz-in) Detent Torque, Max{%BR%}(mNm) Detent Torque, Max{%BR%}(oz-in) Linear Travel Accuracy Steps per Revolution
PH010 064 0.04 10 2.4 0.34 1.1 0.16 15 24
PH010 104 0.04 10 2.1 0.30 1.0 0.14 9 40
P110 064 0.63 16 7.0 0.99 1.0 0.14 15 24
P310 1.26 32 14.0 2.00 2.5 0.40 6 60

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(in) Diameter{%BR%}(mm) Max. Holding Force* @ .001" (0.0254 mm) / Step {%BR%}(N) Max. Holding Force* @ .001" (0.0254 mm) / Step{%BR%}(oz) Min. Holding Force @ 0.001" (0.0254mm) / Step (Un-energized){%BR%}(N) Min. Holding Force @ 0.001" (0.0254mm) / Step (Un-energized){%BR%}(oz) Max. Travel @ 0.001" (0.0254 mm) / Step{%BR%}(mm) Max. Travel @ 0.001" (0.0254 mm) / Step{%BR%}(in) Linear Travel Accuracy
26DBM-K 1.02 26.0 35.6 128.0 13.9 50.0 13.2 0.5 ±1 Step

[value]

Specification + Detail
MetricEnglish
Model Diameter{%BR%}(mm) Diameter{%BR%}(in) Max Efficiency{%BR%}(%) Nominal Torque{%BR%}(mNm) Nominal Torque{%BR%}(oz-in) Max. Recommended Input Speed{%BR%}(rpm)
R16 16.0 0.63 55 300.0 42.0 7,500
M22 22.0 0.87 55 1,500.0 212.0 7,500

[value]

Specification + Detail
MetricEnglish
Model Resolution{%BR%}(line counts) Type
MR2 4,8,16,20,32,40,50,64,80,100,128,160,200,250,256,400,500, 512 Magnetoresistive Encoder