36A79719Q0008-010.pdf

Salient Characteristic for Computed Tomography (CT) Simulator & Ancillary Equipment

Computed Tomography Simulator

• The CT scanner shall have a minimum physical bore diameter, scan field of view (SFOV), and display field of view (DFOV) to support radiation therapy treatment planning.

o Vendor shall specify physical bore diameter.

o Vendor shall specify maximum SFOV o Vendor shall specify maximum DFOV

• The scanner shall be capable of accurately reconstructing image data for the maximum DFOV to support radiation therapy treatment planning.

o Vendor shall specify skin line accuracy in the SFOV and DFOV.

o Vendor shall specify Hounsfield Unit (HU) accuracy in the SFOV and

DVOF.

• The patient couch must a have weight limit of at least 500 lbs. Bariatric couch is not required.

o Vendor shall specify couch weight limit.

• The patient couch must provide positional accuracy under simulated 75 kg simulated uniform patient load of +/- 1mm or better over the range of table motion and meet AAPM TG-66 specifications.

• A metal artifact reduction (MAR) algorithm is required.

o The vendor shall specify the maximum DFOV that the MAR algorithm can cover.

• Iterative image reconstruction algorithm is required.

• The CT scanner shall provide for acquisition of 4DCT images.

o Vendor shall describe workflow including timelines for acquisition and processing of 4DCT image data set in detail.

• Dose modulation and dose management is required and must be compliant with NEMA XR-29 and NEMA XR-25.

• The CT scanner shall provide fluoroscopic CT imaging to support CT-guided biopsy.

• The system shall include a CT image quality phantom to perform image quality evaluations to include: high-contrast resolution, low-contrast

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resolution, slice thickness, noise, CT number constancy, and image uniformity.

• The system shall include a partial system UPS to allow orderly shutdown of the CT scanner in the event of a power failure.

• Rigging and installation shall be included. This shall include any construction necessary for installation of the CT scanner.

• Training and technical support shall be provided to the clinical staff to allow clinical implementation of the system.

• A full-service contract shall be provided at no additional cost for a period of 1 year following acceptance of the unit.

• Vendor shall provide estimated cost of full-service contract for expected

10-year life of the equipment.

• Training for biomedical engineering staff should be listed in options.

Ancillary Equipment:

• The system shall include three LAP Apollo Green Cross Lasers with infrared remote control.

• The system shall include a ceiling-mounted MEDRAD Stellant D Dual

Flow Injector with Certegra Workstation. Injector shall be interfaced to the CT scanner.

• The system shall include a Modus QUASAR 4DCT Phantom with following components:

o 0100-1011-v2 QUASAR™ Programmable Respiratory Motion

Phantom o 500-2003 Heavy Duty Shipping Case for Respiratory Motion

Phantom (100-1011) o 500-3175 Dummy Polystyrene Ion Chamber- 1 o 500-3305 Acrylic Insert 1 o 500-3317 4D CT Imaging Insert 1 o 500-3330 RESP-Rotation Stage 1 o 500-3331 Offset-Cedar Insert with Solid Tumour o 500-3332 Offset-Cedar Insert with Solid Tumour o 500-3333 Offset-Cedar Insert with Split Tumour o 500-3335 Offset-Cedar Ion Chamber Holder- 8cm dia-drilled o Penta Guide - Tilt Plate for 6 degree of Freedom Patient Couch

• The system shall include the following immobilization devices:

o CT Base for GE Lightspeed RT CT Scanners (for 207 cm long cradle) o Intracranial, Head & Neck Insert o Standard Insert o DoseMax Insert o Encompass SRS Insert o The CT scanner shall have a removable flat couch top which provides for indexed immobilization.