• 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:
    Suction tube for surgical purposes, especially for draining of body compartments in connection to an organ, which suction tube comprise an inner tube, whose distal end is open and a outer tube, provided with a peripherally arranged holes, wherein the outer tube exhibits a cross section having at least one essentially flat side, being faced against the organ during draining
    公开号:US20010002432A1
    申请号:US09/725,139
    申请日:2000-11-29
    公开日:2001-05-31
    发明作者:Mogens Bugge
    申请人:Scan Marl Inc；
    IPC主号:A61M27-00
    专利说明:
    [0001] The present invention relates to a suction tube for surgical purposes, especially for draining of body compartments in connection to an organ, which suction tube comprises an inner tube, whose distal end is open, and an outer tube, being provided with peripherally arranged holes. [0001]
    [0002] Suction tubes are used in surgery when undesired fluids is to be removed. By means of a suction tube, connected to a vacuum pump, a fluid may even be sucked away from difficult locations. Above all, it is necessary in the heart and lung surgery to suck fluids behind the heart or the lungs, respectively, without harming the tissue. [0002]
    [0003] Known suction tubes comprise an inner tube and an outer tube, said outer tube being perforated, whilst the inner tube only has an orifice opening at the tree end. The suction tube may be bent, as to be able to be brought behind the organ in question. [0003]
    [0004] Known devices of this kind have the disadvantage that the edges of the holes on the outer tube may harm the tissue or even the organ, e.g., the heart, the lungs, the pleura, the liver, etc., during the insertion or at withdrawal of the suction tube. When it concerns the heart, the abrasion caused by the suction tube may cause heart arrhythmia, which may lead to heart fibrillation. [0004]
    [0005] The object of the invention is to provide a suction tube, which is even insertable in narrow passages, that has a good suction capacity and is gentle to the tissue. This object is being solved in that the outer tube exhibits a cross section, having at least one essentially flat side, which is faced against the organ during draining. [0005] BRIEF DESCRIPTION OF THE DRAWINGS
    [0006] The invention will hereafter be closer described by means of embodiments on the enclosed drawings. [0006]
    [0007] FIG. 1 show a view from above of one embodiment of the suction tube according to the invention, [0007]
    [0008] FIG. 2 show the outer tube of the suction tube according to the invention, [0008]
    [0009] FIG. 3 show the inner tube of the suction tube according to the invention, [0009]
    [0010] FIG. 4 show the cross section along the line IV-IV in FIG. 1 of the suction tube according to the invention, [0010]
    [0011] FIG. 5 show a perspective view of the suction tube according to the invention in assembled state. [0011] DESCRIPTION OF THE EMBODIMENTS
    [0012] In FIG. 1, 11 denotes a schematically representation of a bent suction tube, to be inserted in narrow compartments, especially behind an organ. The suction tube [0012] 11 comprise an outer tube 12, represented in FIG. 2, and a inner tube 13, represented in FIG. 3. The outer tube 12, is provided with peripherally arranged holes 16 and is arranged with a flat side 15 of the cross section 14, which likewise can exhibit holes 16. The flat side 15 makes the edges 17 of the holes 16 less sharp and prevents thereby totally or to a certain extent damage of the tissue.
    [0013] In the embodiment represented in FIG. 1, the cross section [0013] 14 of the outer tube 12 has a half-rounded shape, which is being illustrated in FIG. 4. The cross section 14 may also have other shapes, e.g., essentially triangular, whereby the corners are softly rounded. The inner tube 13 is open at its distal end, as to be able to suck the fluid through the holes 16 of the outer tube 12.
    [0014] The outer tube [0014] 12 is provided with internal threads 20, so that it may be screwed on the inner tube 13, whereby the suction tube 11 according to the invention is formed. The suction tube 11 exhibits an end portion 19, that may be connected to a suction source.
    [0015] The invention also includes a method for using a suction tube in connection to an organ, especially in the heart and/or lung surgery, said suction tube comprising an inner tube, whose distal end is open and an outer tube connected to the inner tube, provided with peripherally arranged holes, wherein the outer tube exhibits a cross section having at least one essentially flat side, being faced against the organ during draining for surgical purposes, comprising the steps of: inserting the distal end of said suction tube behind the organ in question; connecting said suction tube to a suction source; and draining the body compartments from fluids adjacent to said organ. [0015]
    权利要求:
    Claims (10)
    [1" id="US-20010002432-A1-CLM-00001] 1. Suction tube for surgical purposes, especially for draining of body compartments in connection to an organ, which suction tube comprise an inner tube, whose distal end is open and an outer tube connected to the inner tube, provided with peripherally arranged holes, wherein the outer tube exhibits a cross section having at least one essentially flat side, being faced against the organ during draining.
    [2" id="US-20010002432-A1-CLM-00002] 2. Suction tube according to
    claim 1 , wherein the outer tube has at least one flat side, to which connects to one bent or further flat walls, respectively.
    [3" id="US-20010002432-A1-CLM-00003] 3. Suction tube according to
    claim 1 , wherein the outer tube exhibits an essentially triangular cross section.
    [4" id="US-20010002432-A1-CLM-00004] 4. Suction tube according to
    claim 1 , wherein the cross-sectionally flat side of the outer tube is free from holes.
    [5" id="US-20010002432-A1-CLM-00005] 5. Suction tube according to
    claim 1 , wherein only the flat side of the outer tube in cross section is provided with holes.
    [6" id="US-20010002432-A1-CLM-00006] 6. Method for using a suction tube in surgery, in connection to an organ, said suction tube comprising an inner tube, whose distal end is open and an outer tube connected to the inner tube, provided with peripherally arranged holes, wherein the outer tube exhibits a cross section having at least one essentially flat side, being faced against the organ during draining for surgical purposes, comprising the steps of:
    inserting the distal end of said suction tube behind the organ in question;
    connecting said suction tube to a suction source; and
    draining the body compartments from fluids adjacent to said organ.
    [7" id="US-20010002432-A1-CLM-00007] 7. Method according to
    claim 6 , wherein the outer tube has at least one flat side, to which connects to one bent or further flat walls, respectively.
    [8" id="US-20010002432-A1-CLM-00008] 8. Method according to
    claim 6 , wherein the outer tube exhibits an essentially triangular cross section.
    [9" id="US-20010002432-A1-CLM-00009] 9. Method according to
    claim 6 , wherein the cross-sectionally flat side of the outer tube is free from holes.
    [10" id="US-20010002432-A1-CLM-00010] 10. Method according to
    claim 6 , wherein only the flat side of the outer tube in cross section is provided with holes.
    类似技术:
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    US20090143750A1|2009-06-04|Surgical field smoke evacuators
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    US11026715B2|2021-06-08|Chest cavity suction medical apparatus and method
    CN211484786U|2020-09-15|Ureter negative pressure suction guide sheath
    KR200354160Y1|2004-06-23|X-shaped chest tube
    同族专利:
    公开号 | 公开日
    SE521342C2|2003-10-21|
    DE29920949U1|2000-04-27|
    US6585680B2|2003-07-01|
    SE0004404L|2001-05-30|
    SE0004404D0|2000-11-29|
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    法律状态:
    2001-02-01| AS| Assignment|Owner name: SCAN-MARK, INC., MINNESOTA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BUGGE, MOGENS;REEL/FRAME:011508/0753 Effective date: 20001212 |
    2006-12-27| FPAY| Fee payment|Year of fee payment: 4 |
    2010-12-22| FPAY| Fee payment|Year of fee payment: 8 |
    2015-02-06| REMI| Maintenance fee reminder mailed|
    2015-07-01| LAPS| Lapse for failure to pay maintenance fees|
    2015-07-27| STCH| Information on status: patent discontinuation|Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
    2015-08-18| FP| Expired due to failure to pay maintenance fee|Effective date: 20150701 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE29920949.0||1999-11-29||
    DE29920949U|DE29920949U1|1999-11-29|1999-11-29|Suction tube for surgical purposes|
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