PRECISEHY Corporation
§ SPECT & gamma-camera

SPECT collimators,
built to OEM drawing.

Lead collimator assemblies for SPECT and gamma-camera platforms — parallel-hole, fan-beam, pinhole, and rectangular-hole geometries across the full low-, medium-, and high-energy range. Produced to the OEM detector format, mounting interface, and inspection criteria.

Anatomy Geometries Energy classes
§ 01 · Integration

Where the collimator
sits.

Mounted at the inner face of each detector head, the collimator is the precision lens of nuclear medicine imaging — it defines what the gamma camera can see. Spatial resolution, sensitivity, and image geometry — each is set by its channel matrix, septa, and mounting interface, manufactured to the OEM detector format.

SPECT gantry anatomyEngineering schematic of a dual-head SPECT gamma camera. The collimator — the precision lead matrix mounted on the inner face of each detector head — is highlighted in red. An inset detail shows the hexagonal lead channel matrix and septa.FIG. 01 / SPECT GANTRY · COLLIMATOR LOCATIONPRECISE HY · OEM COLLIMATOR MFG · REV A01DETECTOR HEADNaI(Tl) or CZT substrate02 / WHAT WE MAKECOLLIMATORLead channel matrix · LEHR / MEGP / HEGP03GANTRY · BORERotating dual-head assembly04PATIENT TABLEDETAIL A — HEX CHANNEL MATRIXSCALE 20:1GANTRY · DETECTOR · TABLECOLLIMATOR — PRECISE HY SCOPE
Fig. 01 · SPECT gantry — collimator locationPrecise HY scope
§ 02 · By geometry

Geometry
portfolio.

Four standard geometries, each engineered for a different clinical question. Channel geometry, septa, and interface are manufactured to the customer drawing.

No. 01

Parallel-Hole

The general-purpose SPECT geometry. Low, medium, and high energy across the diagnostic isotope range.

View
No. 02

Fan-Beam

Converging-geometry optics for brain SPECT and small-organ acquisitions. To customer focal length.

View
No. 03

Pinhole

Magnifying single-aperture optics for the highest spatial resolution on small targets.

View
No. 04

Rectangular-Hole

Slot-channel geometries built to OEM detector pitch. High-sensitivity acquisitions.

View
§ 03 · By energy

Energy
classes.

Three principal classes, each defined by the gamma-ray energy it must stop. Customer terminology varies (LEHR, LEHRS, LEUHR, MEGP, MELP, HEGP, HEHR); underneath, three bands cover the full diagnostic and therapeutic isotope range.

ClassEnergyIsotopesClinical use
LELow energy · LEHR / LEHRS / LEUHR / LEGP30 – 200 keV⁹⁹ᵐTc · ²⁰¹Tl
¹²³I · ¹¹¹In		General-purpose SPECT — bone, lung perfusion, brain, renal, cardiac.
MEMedium energy · MEGP / MELP200 – 400 keV⁶⁷Ga · ¹¹¹In
¹⁷⁷Lu · ¹²³I high-energy		Therapy monitoring, sentinel-node localisation, and infection imaging.
HEHigh energy · HEGP / HEHR350 – 600 keV¹³¹I · ¹⁸F
theranostic isotopes		Post-therapy imaging, ¹³¹I scans, and emerging theranostic protocols.
§ 04 · Engage

Discuss a
collimator program.

Send drawings, BOM, or a target specification. We will review feasibility, materials, and inspection criteria. Response within two business days.

Submit a request for quotation