Comprehensive Introduction to Dina Multifunctional Radiotherapy Machine

The Dina multifunctional X-ray diagnosis and treatment machine is a unique medical device in China, which can perform imaging and interventional surgery on all organs and limbs except for the heart and brain. It also has the functions of high-end digital gastrointestinal machine and digital X-ray photography DR. Compared to ultrasound contrast, CT, and magnetic resonance imaging, it has the advantage of being able to see small blood vessels and lesions in videos, minimally invasive local treatment, and diagnosis and interventional treatment can be achieved without changing places.

Dina multifunctional X-ray diagnosis and treatment machine Applicable scope:

Vascular surgery (peripheral arterial and venous thrombosis, Stenosis, thrombolysis, stents, varicose veins of limbs), internal medicine (liver, spleen, pancreas, kidney, gastrointestinal lesions), oncology (local chemotherapy or embolization of lung cancer, liver cancer, gastric cancer, etc.), gynecology (varicocele, Ovarian vein varicocele, fallopian tube obstruction, angiography, dredging, embolization), endoscopy room (retrograde cholangiopancreatography (ERCP) with duodenoscopy), etc.

Specific diagnosis and treatment items:

Primary surgery

1、 Aortography

2、 Arteriography of limbs

3、 Abdominal trunk, liver, and spleen arteriography

4、 Mesentery arteriography

5、 Renal arteriography

6、 Indirect portal vein angiography

7、 Angiography of superior and Inferior vena cava

8、 Limb Venography

9、 Hepatic and renal venography

Secondary surgery

1、 Deep vein puncture and catheterization under fluoroscopy

2、 Carotid and vertebral artery angiography

3、 Pulmonary arteriography

4、 Selective Organ Arteriography and Drug Perfusion

5、 Percutaneous superficial vascular sclerosis for general malformations

6、 Dialysis fistula recanalization

Third level surgery

1、 Percutaneous transhepatic (splenic) portal vein and hepatic venography II, pulmonary artery transcatheter thrombolysis, thrombectomy

3、 Transcatheter thrombolysis and thrombectomy of aorta and limb arteries

4、 Catheter thrombolysis and thrombectomy for organs and arteries other than the brain and heart

5、 Limb arterial angioplasty

6、 Renal artery (including other visceral arteries) vasodilation and angioplasty

7、 Bronchial artery embolization (for the purpose of hemostasis)

8、 Embolization and endovascular repair of aneurysms and pseudoaneurysms other than intracranial vessels, coronary arteries, and aorta

9、 Spleen and thyroid artery embolization (for the purpose of eliminating function) 10. Embolization and endovascular repair of limb arteriovenous fistula

11、 Embolization and endovascular repair of organ arteriovenous fistulas other than the brain and heart

12、 Insertion and removal of superior Inferior vena cava filter

13、 Angioplasty for vascular anastomotic stenosis after kidney and liver transplantation

14、 Removal of intravascular foreign bodies

15、 Transcatheter thrombolysis and thrombectomy of Venae cavae and limb veins

16、 Venous catheter thrombolysis and thrombectomy for organs other than the brain and heart

17、 Limb vein vasodilation and angioplasty

18、 Organ vein dilation and angioplasty except for the brain and heart

19、 Endovenous laser closure, radiofrequency ablation, sclerotherapy of Superficial vein of lower limb

20、 Arterial embolization except for intracranial vessels, coronary arteries, pulmonary arteries, and bronchial arteries (for the purpose of hemostasis)

21、 Sclerosis and embolization of spermatic cord and Ovarian vein varices

22、 Sclerosis and embolization of pelvic varices

Fourth level surgery

1、 Carotid artery angioplasty and stent implantation

2、 Vertebral artery angioplasty and stent implantation

3、 Sclerosis and embolization of craniofacial hemangioma

4、 Embolization of external carotid arteriovenous fistula and pseudoaneurysm

5、 Aorticoplasty

6、 Endovascular repair of Aortic aneurysm

7、 Endovascular repair of Aortic dissection

8、 Transjugular intrahepatic portosystemic shunt (TIPS)

9、 Angioplasty and stent implantation for Budd Chiari syndrome

10、 Arterial and venous drug box implantation surgery

11、 Limb arterial plaque circumcision and ultrasound ablation

12、 Other new technologies approved for clinical application

The local video image is as follows:

Performance parameters:

Part I Equipment Usage and Product Category

1.1 Product category: multifunctional C-arm X-ray machine;

1.2 Equipment structure: The C-arm and remote control tilting and lifting inspection bed adopt an integrated design structure, and the C-arm and bed body are required to be manufactured in an integrated manner and can be controlled in linkage. Possess a complete machine registration certificate.

1.3 Equipment use: digital routine X-ray fluoroscopy, photography and digestive system, Urinary system angiography, retrograde cholangiopancreatography (ERCP), peripheral interventional examination and treatment.

1.4 Equipment service: After sales maintenance services are provided by the equipment manufacturer's own organization. Qualification proof documents are required.

1.5 Service hotline: Maintenance service agencies in China have a 400 customer service call center

Part II General Requirements for Equipment

2.1 Please provide a list of device configurations and CFDA registration documents.

Technical Data Section of Three Equipment

3.1 Provide user manual and maintenance manual randomly

3.2 Provide medical device registration certificate and registration form

3.3 If there are doubts about the response parameters, the original factory manual and technical data should be provided, and the corresponding technical parameters should be based on them

Technical Requirements for Equipment IV

4.1 X-ray occurrence and control system

Maximum tube current: ≥ 1000mA

4.1.2 Maximum tube voltage: ≥ 125KV

4.1.3 Photography conditions AEC intelligent fully automatic control, with automatic adaptation function for tube voltage

4.2 X-ray tube and accessories

4.2.1 Double focus ball tube: 0.6/1.2mm

4.2.1.1 Large focus power ≥ 75KW

4.2.1.2 Small focus power ≥ 24KW

4.2.2 Ball tube

＊ 4.2.3 Anode Heat capacity ≥ 0.35MHU

4.2.4 Dose selection modes ≥ 3

4.2.5 Minimum exposure time ≤ 1ms

4.2.6 Equipped with pulse fluoroscopy, with a minimum pulse frequency of ≤ 5fps and a maximum pulse frequency of ≥ 25fps

4.2.7 Pulse fluoroscopy with no less than 5 options

4.2.8 Pulse fluoroscopy tube voltage ≥ 40KV, ≤ 125KV

4.2.9 Pulse fluoroscopy tube current ≥ 5 mA, ≤ 100 mA

4.3 Imaging System

4.3.1 Image acquisition using dynamic flat panel detectors

4.3.2 Detector size: 43 * 43cm (17 * 17 inches)

4.3.3 Perspective spatial resolution: ≥ 2.0lp/mm

4.4 Bed, ball tube and C-arm Motor system

4.4.1 It is required that the table surface can be tilted, the table surface can be lifted, and the high-strength carbon fiber bed board with low Absorbed dose shall be used

4.4.2 Equipped with one click switching function between bed and bed ball tube modes

4.4.3 The tilting range of the bed surface is -90 ° to -90 °, adjustable, and can be operated by remote control beside the bed

4.4.4 Bed tilt speed: ≥ 2 °/s, and ≤ 5.8 °/s, adjustable

4.4.5 Horizontal movement range of bed surface ≥ 48cm

4.4.6 The relative longitudinal movement range between the bed surface and the ball tube is ≥ 163cm

4.4.7 The diagnostic bed surface can be lifted and lowered, with a minimum height of ≤ 53cm from the ground

4.4.8 Adjustable SID, adjustable range ≥ 35cm

4.4.9 With density compensation filter

4.4.10 Bed to side operable effective space ≥ 99cm

4.4.11 There is operating space for doctors to stand at the head and left and right sides of the bed surface for doctors to operate near the table

4.4.12 C-arm structure and bed integration

4.4.13 C-arm rotation range: RAO ≥ 90 degrees, LAO ≥ 41 degrees

4.4.14 Rotation speed: RAO/LAO, ≥ 5 °/s, and ≤ 15 °/s, adjustable

4.4.15 CRA/CAU ≥ 40/40 degrees

4.4.16 Sliding speed: CRA/CAU, ≥ 4 °/s, and ≤ 12 °/s, adjustable

4.4.17 With dual functions of perspective and communication

4.5 Digital Image Acquisition System

4.5.1 Maximum digital acquisition resolution ≥ 3072x3072

4.5.2 Digital to analog conversion ≥ 16bit

4.5.3 1536 × 1536 matrix continuous film acquisition speed ≥ 15fps

4.5.4 Remote control operating system and remote control desk, capable of controlling all mechanical motion functions, filming, perspective, and other functions,

4.5.5 Radiation room display: ≥ 27 inch LCD display, capable of wireless control of the system

4.5.6 Host system image storage capacity: 1536 × 1536, 14bit ≥ 60000 raw image data. (No workstation required)

4.5.7 Image storage as mirror image storage

4.5.8 Image transmission network: With DICOM interface function, including: DICOM PRINT, DICOM STORAGE

4.5.9 One remote control room image monitor, ≥ 27 inch LCD display

4.5.10 Provide host DVD recording and storage function

4.6 Image processing function

4.6.1 During playback of dynamically collected images, the following functions can be performed: 1) spatial filtering, 2) window width and level adjustment, 3) automatic window, 4) forward and backward image switching, 5) roaming and zooming in image rotation, 6) text annotation, scale display, measurement function, arrow indication, 7) scattering correction, contrast enhancement, 8) multiple displays, etc

4.6.2 Capture images for movie playback: the playback speed can be adjusted at will; And it can be played back frame by frame

4.6.3 Functions such as measuring blood vessel diameter and lesion size

4.6.4 Equipped with digital filtering compensation function: Adjust image quality during real-time perspective, which can reconstruct images in areas that are too black or too white