DVS Dose Verification System: A Legacy in Radiation Monitoring
In the field of radiation oncology, precision is paramount. To ensure that tumors receive the necessary dose of radiation while sparing surrounding healthy tissue, specialized tools are required. One such innovation was the Dose Verification System (DVS), an implantable telemetric radiation sensor developed by Sicel Technologies.
The DVS was designed to provide real-time data on the actual amount of radiation delivered directly within the body, offering a level of verification that external measurements cannot always provide.
Key Facts
- Developer: Sicel Technologies.
- Function: Measured radiation delivery to tumors and healthy tissue.
- Technology: Combined a dosimeter (a device used to measure absorbed radiation dose) with a wireless transmitter.
- Design: Housed in a sealed, biocompatible glass capsule.
- Dimensions: 0.8 inches (20mm) in length and 0.08 inches (2.1mm) in diameter.
- Implantation: Could be inserted transluminally (through a bodily lumen/tube) or transdermally (through the skin).
Technical Design and Implementation
The DVS was engineered for minimal invasiveness and maximum biocompatibility. The core components—the dosimeter and the wireless transmitter—were encased in a specialized glass capsule. This ensured that the device remained sterile and did not react negatively with human tissue during its implantation.
Medical professionals had two primary methods for placing the sensor: transluminal or transdermal implantation. This flexibility allowed the DVS to be positioned precisely where radiation monitoring was most critical, whether deep within a tumor or in the adjacent healthy tissue to monitor for overexposure.
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Market Adoption and Company History
Despite its technical capabilities, the DVS faced challenges in widespread clinical adoption. The radiation oncology community did not integrate the system into standard practice at a scale sufficient to sustain the product's commercial viability. Consequently, sales remained inadequate for the company to achieve profitability.
Due to these commercial struggles, Sicel Technologies eventually ceased operations around 2011.
| Feature | Detail |
|---|---|
| Manufacturer | Sicel Technologies |
| Sensor Type | Implantable Telemetric Radiation Sensor |
| Capsule Material | Biocompatible Glass |
| Length | 0.8 inches (20mm) |
| Width/Diameter | 0.08 inches (2.1mm) |
| Implantation Methods | Transluminal or Transdermal |
Frequently Asked Questions
What was the primary purpose of the DVS?
The DVS was used to measure the exact amount of radiation delivered to a tumor or the surrounding healthy tissue to verify the accuracy of the treatment.
How was the DVS implanted into the body?
The device could be implanted either transdermally, which means through the skin, or transluminally, which means through a natural body opening or lumen.
What were the physical dimensions of the DVS sensor?
The sensor was contained in a glass capsule measuring 0.8 inches (20mm) long and 0.08 inches (2.1mm) across.
Why is the DVS no longer available?
The device saw limited adoption within the radiation oncology community, leading to insufficient sales and the eventual closure of Sicel Technologies around 2011.
What components were inside the DVS capsule?
The sealed biocompatible glass capsule contained both a dosimeter for measuring radiation and a wireless transmitter for sending that data telemetrically.