• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1467508 Dialysis apparatus RHONEPOULENC SA 31 May 1974 [1 June 1973 2 April 1974] 24260/74 Heading B1X [Also in Division D1] At least two hollow fibres of macromolecular fluid-permeable material are twisted together to form a cord, the resulting assembly being useful in fluid fractionating apparatus since the twisted formation creates turbulence inside and outside the hollow tubes. In Fig. 11 cords 100 constructed as above are placed parallel to one another between end walls 101 of epoxy resin. The cords and end walls are sealed into a container having a lid 103 and end caps 104, 105. The caps 104, 105 have inlet and outlet pipes 106, 107 in communication with the interior of the hollow fibres. The container has pipes 108, 109 communicating with the exterior of the fibres. Preferably not more than six hollow fibres are twisted together to form a cord. Applications of the apparatus include ultrafiltration, reverse osmosis and the dialysis and oxygenation of blood. Several methods of, and apparatus for, twisting the fibres together; and for causing such twisted assemblies to imbricate with one another are described and illustrated, see D1T.
    公开号:SU740142A3
    申请号:SU742027882
    申请日:1974-05-30
    公开日:1980-06-05
    发明作者:Бодэ Жак；Сосс Андре；Салмон Мишель
    申请人:Рон Пуленк С.А. (Фирма)；
    IPC主号:
    专利说明:

    -Fig, 2 a general view of the contact djisvieHTa, vadpopneynogo in the form of a harness.
    Fig, 3 - execution of the harness with intervals between adjacent twists.
    Ia figure 4 - execution of the tow of four fibers,
    An apparatus for treating liquid and gaseous media is made of body 1 with a keyhole 2 and end caps 3 and 4 / of contact element 5, made in the form of hollow selectively permeable fibers, and fittings 6–9 for input and output phases.
    The contact element 5 is made in the form of a ziggut of fibers twisted along a helix and a rapt: SHL:: eype bSy case. The tow is made of two tangentially contiguous fibers. Between adjacent strands in the bundle are made about 10 days. The bundle can be made of. four fibers divided in pairs into two groups with versatile packing. The harness is made of non-cal1 of their fibers, twisted around a common axis. The harnesses are placed in the case in the form of a parsley-lane with a calcee connected between them. The contact element is made in the form of separate, parallel to each other and to the axis of the housing of the fibers. The apparatus can be equipped with two solid bodies located near the ends of the hollow fibers, which separate the inner part of the fibers from the outer axis with at least one tube containing the inner part of the fibers with the outer part of the body and at least two tubes located near solids, and the contact element is designed as parallel to each other and the axis of the body of the harnesses, each of which contains several hollow in olocon polymer polymer material with a degree of twisting of fibers equal to 5-150 turns per meter, and led ine one fiber twist around its axis equal to 360 per turn. The degree of twist of the fibers in each bundle is 50-300 turns per meter with a twist of one fiber around its axis equal to no more than BS.
    The present apparatus can be used for dialysis processes at 37 ° C for bh.
    Inside the hollow fibers, a medium containing 1 l is circulating: 5.845 g of NaCI, 0.024 hX1, 0.152 g of MgClI ,. bN-O, 5.171 g CH COONa. , 0.33 g 6Hj, O and 1.5 urea.
    Outside the hollow fibers
    with a flow rate of 500 cm / min, the dialysate, which is a saline solution, has the same composition at the inlet of the dialyzer as the composition specified for the medium to be dialysed, except that it is free of urea. After a single
    ; the palatation of this dialysate is removed from the apparatus.
    The solution of the medium being dialyed passes through the hollow fibers with a flow rate of 200 cm of UMIN, it is sent to a graduated vessel, and then recycled to the inside of the hollow fibers; the graduated vessel allows detecting changes in the volume of the solution of the medium being dialyzed, which may be due to the appearance of secondary ultrafiltration through the degrees of the hollow fibers; If the volume of the medium being reduced is reduced, an equivalent volume of a new solution having the composition of the initial dialysate is added, so that the amount of the medium being circulated inside the hollow fibers is kept constant.
    The installed pressure gauges allow you to measure the pressure at both the inlet and outlet from the dialyzer for both of these circulating fluids.
    The pressure of the solution of the medium being medium is regulated so that it is slightly higher than the pressure of the dialysate circulating outside the hollow fibers; this regulation results in ultrafiltration of the above-dialyzed 500 cMV4ac.
    Clearance factor C for urea is measured periodically. It is obtained by the formula
    with oh ..
    where D is the consumption of dialyzable medium inside the hollow fibers;
    The concentration of urea at the inlet is hollow fiber;
    With urea concentration at the outlet of the hollow fibers. In fact, this Clearance factor charges the imaginary consumption of the dialyzed that would occur if the device produced a dialyzed, completely urea-free, without the urea removal rate being altered. The factor C determined in this way does not include the fraction of urea that was removed as a result of ultrafiltration.
    During the experiment under consideration, for Urea, the Clearance C factor was generally constant and equal to 125 CMVMHH.
    Then this experiment was repeated, but with dialysate consumption from the outside of the hollow fibers equal to 1 l / min; the factor C for urea was then 139 cMVwHH.
    权利要求:
    Claims (1)
    [1]
    1. The apparatus for processing liquid and gaseous media, comprising a housing, a contact element, and fittings for input and output Phases, I distinguish
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    引用文献:
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    US4293418A|1979-03-28|1981-10-06|Toray Industries, Inc.|Fluid separation apparatus|
    US4368124A|1979-04-09|1983-01-11|Brumfield Robert C|Method of winding a mass transfer device and product|
    US4312757A|1979-04-09|1982-01-26|Brumfield Robert C|Methods and means for circulating a dialysate|
    EP0024718A3|1979-09-04|1981-10-14|Friedrich Wolff|Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7320040A|FR2231787B1|1973-06-01|1973-06-01|
    FR7411674A|FR2265883B2|1973-06-01|1974-04-02|
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