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Leksell GammaPlan® is a computer-based system designed for Leksell Gamma Knife® treatment planning.

Leksell GammaPlan® is a powerful, computer-based treatment planning system specifically designed for the simulation and planning of stereotactic Leksell Gamma Knife® radiosurgery based on tomographic and projectional images. The basis of treatment planning is the acquisition and processing of digital images by a computer workstation running the treatment planning application software. The program is capable of handling a range of different imaging modalities. Images from tomographic sources such as Computer Tomography (CT), Magnetic Resonance (MR) and Positron Emission Tomography (PET) scanners can be used as well as projectional images from angiograms (AI). This allows the direct comparison between vascular structures in projectional images and tissue structures in CT and MR. Digital images can be imported into the system via the computer network. The treatment planning application has the ability to plan a patient's treatment protocol based on a single target or multiple targets. The basic elements of treatment planning are: - defining the cranial target or targets . - . devising the configuration of the collimators to be used during treatment - determining the parameters of the radiation shots to be delivered by Leksell • Gamma Knife®.

Leksell Gamma Knife® is a teletherapy device intended for stereotactic irradiation of head structures ranging from very small target sizes of a few millimeters to several centimeters e.g. - · Metastatic tumors - Recurrent glioblastomas - · Trigeminal neuralgia - · Medically refractory essential tremor - · Orbital tumors - · Ocular tumors - · Optic nerve tumors · Benign diseases (such as meningiomas, vestibular schwannomas, post-surgical pituitary adenomas, craniopharyngioma, hemangioblastomas, schwannomas, arteriovenous malformations, chordomas, chordomas, glomus tumors, hemangiomas) - · Skull base tumors · Head and neck tumors (such as unknown primary of the head and neck, oral cavity, hypopharynx, - nasopharynx, sinonasal, salivary gland) · Pediatric tumors (such as glioma, ependymoma, pituitary tumors, hemangioblastoma, meningioma, metastasis, medulloblastoma, nasopharyngeal tumors, arteriovenous malformations, skull base tumors)

Leksell Gamma Knife® (available models Icon™, Perfexion™ and Elekta Esprit) is a radiosurgery system for use in the stereotactic irradiation of head structures. Surgery is achieved by delivering a prescribed dose as one or more shots of ionizing radiation to the exact site of the target.

TaiChiB Digital Radiotherapy System is a teletherapy device equipped with two radiation beam delivery units within an enclosed gantry. (1) The electron linear accelerator producing 6MV photon beam is indicated to provide stereotactic radiosurgery and precision radiotherapy for lesions, tumors, and conditions anywhere in the body where radiation treatment is indicated. (2) The rotating focused gamma beam emitting unit with multiple Cobalt-60 sources is indicated to provide stereotactic radiosurgery and precision radiotherapy for lesions, tumors, and conditions in the brain and head where radiation treatment is indicated.

TaiChiB Digital Radiotherapy System integrates medical linear accelerator technology and rotating gamma technology for precision radiotherapy and stereotactic radiosurgery. TaiChiB contains a gantry with a slip ring, 6 MV X-ray Beam Generation Module (BGM), Beam Shaping Module (BSM), Rotating Gamma Subsystem (RGS), Image Guidance System (IGS), Patient Support System (PSS), Treatment Control System (TCS).

The system is a teletherapy device intended to provide stereotactic radiosurgery and precision radiotherapy for lesions, tumors, and conditions in the brain and head where radiation treatment is indicated.

TaiChiC Rotating Gamma System has been designed to deliver radiation treatments in accordance with a prescribed plan. This system is a stereotactic radiotherapy equipment developed by applying the principle and mature technology of Cobalt-60 rotary focusing. It is suitable for brain and head lesions and tumors requiring radiotherapy, and provides image guided stereotactic radiosurgery and precision radiotherapy. TaiChiC consists of a gantry with a slip ring, a focusing gamma ray treatment head, image guidance subsystem, couch, power supply and electrical cabinet, main cover and treatment bore etc. TaiChiC combines gamma beam stereotactic radiation therapy technology with contemporary advanced image guidance technology (IGRT) to provide image guided stereiotactic radiotherapy and precision radiotherapy.

The Akesis Galaxy RTi Rotating Gamma System, is a teletherapy device intended for the stereotactic irradiation of human head structures for adults.

The Akesis Galaxy RTi, is a medical teletherapy device, which contains (30) Cobalt-60 sources, distributed in a single, compact source carrier or source drawer, which is inside a hemispheric shield. Immediately adjacent to the source unit is the "built-in" primary collimator. An independently rotating secondary collimator hemisphere contains 4 sizes of collimators and a blocking position. consists of a) The y-ray treatment unit, and b) interface to a stereotactic localization system, and c) kV x-ray positioning and verification system

The Akesis Galaxy RTx Gamma System, is a teletherapy device intended for the stereotactic irradiation of human head structures.

The Akesis Galaxy RTx, is a medical teletherapy device, which contains (30) Cobalt-60 sources, distributed in a single, compact source carrier or source drawer, which is inside a hemispheric shield. Immediately adjacent to the source unit is the "built-in" primary collimator. An independently rotating secondary collimator hemisphere contains 4 sizes of collimators and a blocking position. The rotating gamma system focuses the thirty beams and combining their individual doses at the target. The design of the system automates the treatment delivery by moving the target to the focal point, while the patient's head is immobilized in a headframe which has been fitted prior to the commencement of treatment. The entire system consists of a) the y-ray treatment unit, and b) the stereotactic localization system.

The Akesis Galaxy Rotating Gamma System, is a teletherapy device intended for the stereotactic irradiation of human head structures

The Galaxy Rotating Gamma System is a teletherapy device which contains 30 cobalt - 60 sources distributed on a hemispheric source carrier, which is inside a hemispheric shield. Inside the source unit is the "built in" secondary collimator, which has 4 sizes of collimators and 1 block position. When not treating a patient, all sources are aligned with the block position of the secondary collimator, which in this case acts as a radiation shutter Treatment starts by aligning the sources to the desired collimator size, then both the source unit and the secondary collimator rotates as one unit. By rotating the cobalt -60 y-ray beams during treatment, 30 non overlapping full 360° arcs are formed, resulting in high focal dose uniformity and small focal spot penumbra. The entire system consists of a) The v-ray treatment unit, and b) the stereotactic localization system.

GammaPod™ is a teletherapy device intended for use in the noninvasive stereotactic delivery of a radiation dose to a partial volume of the breast in conjunction with breast conserving treatment.

The GammaPod™ is a teletherapy device that uses rotating, multi-source Cobalt-60 gamma-ray emitting sources to noninvasively deliver a focal dose of radiation to a partial volume of a human breast of a patient in the prone position while sparing the surrounding normal tissues and structures. The GammaPod system contains 4 main components: i. GammaPod irradiation unit, ii. Imager loader system, iii. Breast immobilization system, and iv. Treatment planning system.

Leksell Gamma Knife® Icon™ is a teletherapy device intended for stereotactic irradiation of head structures ranging from very small target sizes of a few millimeters to several centimeters e.g. • Metastatic tumors • Recurrent glioblastomas • Trigeminal neuralgia • Medically refractory essential tremor • Orbital tumors • Ocular tumors • Optic nerve tumors • Benign diseases (such as meningiomas, vestibular schwannomas, post-surgical pituitary adenomas, craniopharyngioma, hemangioblastomas, schwannomas, arteriovenous malformations, cavernous malformations, chordomas, glomus tumors, hemangiomas) • Skull base tumors • Head and neck tumors (such as unknown primary of the head and neck, oral cavity, hypopharynx, oropharynx, nasopharynx, sinonasal, salivary gland) • Pediatric tumors (such as glioma, ependymoma, pituitary tumors, hemangioblastoma, craniopharyngioma, meningioma, metastasis, medulloblastoma, nasopharyngeal tumors, arteriovenous malformations, cavernous malformations, skull base tumors). Leksell Gamma Knife® Perfexion™ is a teletherapy device intended for stereotactic irradiation of head structures ranging from very small target sizes of a few millimeters to several centimeters e.g. • Metastatic tumors • Recurrent glioblastomas • Trigeminal neuralgia • Medically refractory essential tremor • Orbital tumors • Ocular tumors • Optic nerve tumors • Benign diseases (such as meningiomas, vestibular schwannomas, post-surgical pituitary adenomas, craniopharyngioma, hemangioblastomas, schwannomas, arteriovenous malformations, cavernous malformations, chordomas, glomus tumors, hemangiomas) • Skull base tumors • Head and neck tumors (such as unknown primary of the head and neck, oral cavity, hypopharynx, oropharynx, nasopharynx, sinonasal, salivary gland) • Pediatric tumors (such as glioma, ependymoma, pituitary tumors, hemangioblastoma, craniopharyngioma, meningioma, metastasis, medulloblastoma, nasopharyngeal tumors, arteriovenous malformations, cavernous malformations, skull base tumors).

Leksell Gamma Knife® Icon™ and Leksell Gamma Knife® Perfexion™ are radiosurgery systems for use in the stereotactic irradiation of head structures. Surgery is achieved by delivering a prescribed dose as one or more shots of ionizing radiation to the exact site of the target. Based on preoperative radiological examinations, the Leksell Gamma Knife unit provides highly accurate external irradiation of intra-cranial structures using collimated beams of ionizing radiation.

Leksell GammaPlan® is a computer-based system designed for Leksell Gamma Knife® treatment planning.

Leksell GammaPlan® is designed for use with the Leksell Gamma Knife and is intended to be used for planning the dosimetry of treatments in stereotactic radiosurgery and stereotactic radiation therapy. It processes the inputs of health care professionals (e.g. neurosurgeons, radiation therapists, radiation physicists) such that the desired radiation dose is delivered by the Leksell Gamma Knife to a precisely defined volume.