PET - Manipulation description

The only automatic batching unit that does not need any heavily shielded working cell! Original patented system avoids any unshielded manipulations with FDG. Patented system avoiding unexploited rests of expensive active solution in the vial thus saving considerable amount of money! The very efficient patented system reduces secondary costs to a minimum as well as the whole time needed for manipulation. You save money and you have better irradiation protection at the same time. You do not need a big hot cell with 50mm Pb shielding to prepare doses for patients! The Lynax batching unit is the most compact one and does not need any additional shield.

To download new pdf version of manipulation description click here.

  • 1.

    The activity is transported from the laboratory to the NM department inside the Packaging set Type A for transport of radioactive solutions PT314R2. It consists of the outer case and the inner tungsten container PT318R2. The packaging set is located next to the working place. It is a laminar flow cell or just a simple workbench where the Automatic batching and measuring device PT317R3 is located. The lead castle is not necessary while working with the device PT317R3.

    The inner tungsten container PT318R2 with 28mm of W is taken out of the outer case and without opening the lid transported into the socket of the Automatic batching and measuring device PT317R3.

  • Pet manipulation description - 1
  • 2.

    The lid of the PT318R2 is open manually and two needles are introduced into the vial - a breathing needle (bent) and a suction needle. The vial being in a slanted position the edge of the suction needle comes exactly into the lowest inner point of the vial. This patented configuration avoids the rests.The container PT318R2 now with two needles introduced into the rubber lid of the vial is subsequently plugged into the body of the batching device PT317R3. The cone (head) of the needle comes exactly between the fastening jaws of the chucking head and is fixed manually by a screw. The value of the activity in the vial and the respective time must be entered into the daily program of the control computer.

    The activity of FDG in the vial is being calculated by the control computer during the batching procedure. The value of the activity remaining in the vial shows the display of the control computer continuously.

    The device is now prepared for withdrawing the radioactive solution into the syringe. The whole procedure has been made without extracting the vial from the shielding container PT318R2 which is a component part of the Packaging set Type A PT314R2 and for the procedure of batching becomes also a part of the Batching and measuring device PT317R3.

  • Pet manipulation description 02
  • 3.

    The syringe (Braun OMNIFIX) inside the tungsten shielding PT358R5 or PT359R5 is located into the cylindrical socket of the upper part of the PT317R3. The angular position of the shield is defined by a small groove on its external surface. The groove being small and located on the rim of the shield it does not restrain the shielding qualities. The syringe is connected to the needle by means of the thread in the head of the syringe by rotating the syringe manually.

    The lifting fork of the batching device is connected to the outer end of the syringe piston manually. This operation is very simple and needs about 3 seconds. The hand of the radiopharmacist does not touch the piston.

    The controlling of the functions is carried out using a control laptop. The crew selects the activity to be drawn into the syringe and starts the batching.

  • Pet manipulation description 03
  • 4.

    The activity is drawn into the syringe automatically being measured continually. The time needed for preparation of one dose is about 30 seconds. The syringe inside the shielding PT358R5 or PT359R5 is to be taken out of the batcher after the dose has been prepared.

  • Pet manipulation description 04
  • 5.

    A needle or a stopper must now be connected to the syringe to cover its cone during transport. The Simple stand PT326R0 PT326R1 or serves to connect one of these elements.

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  • 6.

    The Petomobil PT151R2 can be used for transporting the syringe inside the shielding PT358R5 or PT359R5 (covered either by a needle or a stopper) to a patient.

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  • 7.

    In case of manual administration the protective sheath of the needle is to be removed using the Lever PT230R0 before administering the activity to the patient.

    In case of automatic administration the syringe inside the shield is relocated into the Automatic Administering stand PT353R6 after removing the needle or the stopper using the Simple stand PT326R0 or PT326R1 again. The connecting "T" piece with diaphragm for a needle, a syringe containing saline solution and a short connecting tube are prepared in the stand beforehand.

  • Pet manipulation description-07
  • 8.

    The administering person connects the patient to the tube leading to the syringes, choose the mode of administration and starts the administration.

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  • 9.

    The Movable table with a screen and a waste container PT275R0 helps to handle all necessary materials next to the patient and protects the administering person at the same time.

    After the administration (preselected procedure) has been finished wastes are deposited in the shielded  container incorporated in the table PT275R0.

  • Pet manipulation description-09

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