New & Used Digital Mammography Unit

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Year manufactured

234478883

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Device: Digital Mammography Unit
Manufacturer: Siemens
Model: MAMMOMAT 1000

Premium User
Location: Romania, Bucharest

70305.69278711 70,306

2009

295060829

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Device: Digital Mammography Unit
Manufacturer: Siemens
Model: MAMMOMAT Novation DR

Location: Belgium, Antwerp

63575.485292871 63,575

2006

983790737

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Device: Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: United States, California

3800 3,800

1998

893644418

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Device: Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: United States, Florida

4444 4,444

1998

784394118

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Device: Digital Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe Essential

Location: United States, New York

135000 135,000

2007

244191434

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Device: Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: Taiwan, Taipei

Negotiable

-

515806751

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Device: Digital Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: Denmark

5000 5,000

1996

772395726

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Device: Digital Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe 2000D Full-Field Digital

Location: United States, New York

Negotiable

-

8104373509

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Device: Mammography Unit
Manufacturer: Siemens
Model: MAMMOMAT 3000 NOVA

Location: United Kingdom, Buckinghamshire
Rating: 100%

10657.614273309 10,658

2003

914745791

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Device: Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: Israel, Tel Aviv

Negotiable

1998

153741355

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Device: Digital Mammography Unit
Manufacturer: Hologic
Model: Lorad Selenia

Location: United States, Ohio
Rating: 100%

115000 115,000

2006

514594421

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Device: Digital Mammography Unit
Manufacturer: Hologic
Model: Lorad Selenia

Location: United States, Ohio
Rating: 100%

125000 125,000

2006

853740865

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Device: Digital Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe Essential

Location: United States, Ohio
Rating: 100%

175000 175,000

2009

7104070249

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Device: Mammography Unit
Manufacturer: Siemens
Model: MAMMOMAT 3000 NOVA

Location: United States, Ohio
Rating: 100%

7500 7,500

2001

473489247

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Device: Mammography Unit
Manufacturer: GE Healthcare
Model: Senographe DMR

Location: United States, Ohio
Rating: 100%

5000 5,000

1993

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The model & manufacturer of the marked items have changed due to an acquisition between companies, and are also known as:

Current Manufacturer / Model Name	Alternative Manufacturer / Model Name
Lorad / Selenia	Hologic / Lorad Selenia

Digital Mammography Unit may also be referred to as :

X-ray Mammography | System, X-ray, Mammography | Mammography Unit | Mammography Digital Radiographic System | Digital Radiography Unit, Mammography | Digital Mammography | Digital Mammograph | Mammographic Radiographic Unit, Digital

Tips for buying Digital Mammography Unit

1. Digital mammographic radiographic unit screening equipment must meet the minimum MQSA requirements for tube outputs, compression performance, position controls, and reproducibility.
2. Medical facilities should base their digital mammography unit purchase decision on life-cycle cost, local service support, discount rates and non-price-related benefits offered by the supplier, and standardization with existing equipment.
3. Suppliers offer digital mammography unit service contracts or service on a time-and-materials basis. This may also be available from a third-party organization. Facilities should carefully consider whether to purchase such a service.
4. When purchasing a digital mammography unit, performance and reliability are important factors.
5. A high-frequency x-ray mammography generator will help ensure higher efficiency of operation with a minimum of output ripple. It will also need less space than a conventional generator.
6. Mammography involves a narrow range of tissue thickness, and therefore 1 kV increments and a range of approximately 22 to 35 kV are necessary.
7. The digital mammograph system should offer at least 500 mAs and an exposure time of 0.1 second or shorter to avoid unnecessary long exposures.
8. A rotating anode, which has a higher heat capacity than a stationary anode, should be available to promote longer x-ray tube life and provide a more consistent x-ray output.
9. AEC provides the appropriate image optical density and x-ray exposure for breast composition and thickness.
10. Focal spot sizes should be approximately 0.1-0.3 mm to ensure that microcalcifications as small as 200 µm can be detected using x-ray mammography.
11. To clearly image the smallest micro calcifications, an SID of at least 66 cm is needed.
12. The complexity of the automatic exposure control is the main difference between digital mammography unit systems. Some x-ray mammography systems control only the exposure time, while more advanced ones control the x-ray spectrum, including the kVp, anode, and filtration. Such digital mammograph systems improve the image quality, especially in larger and denser breasts.
13. Some manufacturers have developed advanced grids, which are expensive to manufacture but improve the image quality in digital mammographic radiographic units.
14. Facilities considering the purchase of a stereo tactic biopsy system should consider the number of procedures to be performed and the compatibility with existing equipment.
15. Film-based digital mammograph units are not recommended because they do not allow real-time guidance. Instead, both dedicated and add-on digital mammography unit systems are equipped with small digital detectors.
16. Add-on systems may be harder to use because they have more limited motions compared to dedicated digital mammographic radiographic units. Consequently, most of the differences are a matter of user preference rather than clinical efficacy.
17. In digital detector performance, detective quantum efficiency is an important factor when comparing digital mammographic radiographic units. DQE is directly related to the signal-to-noise ratio that results between detector input and output. The noise generated by the detector and the spatial resolution contributes to the DQE of the system. To reduce DQE, SNR must be reduced; a recommended DQE is less than 20% at 5 lp/mm.
18. Another important factor when choosing a digital mammography unit is modulation transfer function. MTF refers to the loss of contrast relative to an x-rayed object. As the spatial frequencies in a given image increases, MTF decreases, creating loss of visualization; a 50% MTF at 5 line pairs per millimeter is recommended.