IL163713A - Safety trocar with progressive cutting tip guards and gas jet tissue deflector - Google Patents

Safety trocar with progressive cutting tip guards and gas jet tissue deflector

Info

Publication number
IL163713A
IL163713A IL163713A IL16371304A IL163713A IL 163713 A IL163713 A IL 163713A IL 163713 A IL163713 A IL 163713A IL 16371304 A IL16371304 A IL 16371304A IL 163713 A IL163713 A IL 163713A
Authority
IL
Israel
Prior art keywords
surgical device
cutting tip
blade
cylinder penetrator
handle
Prior art date
Application number
IL163713A
Original Assignee
Erblan Surgical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erblan Surgical Inc filed Critical Erblan Surgical Inc
Publication of IL163713A publication Critical patent/IL163713A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A61B17/3496—Protecting sleeves or inner probes; Retractable tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3474—Insufflating needles, e.g. Veress needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00544—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3454—Details of tips
    • A61B2017/346—Details of tips with wings

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (31)

-WHAT IS CLAIMED IS:
1. A surgical device, [Comprising: a handle configured to be gripped; a cylinder penetrator attached to said handle; and a substantially planar blade having at least a first blade edge, said blade being attached to a distal end of said cylinder penetrator and oriented substantially parallel to a main axis of said cylinder penetrator and configured to produce a substantially planar opening in a body tissue for an insertion of a surgical cannula.
2. The surgical device according to claim 1 , further comprising: said blade having a first and second blade edge, wherein: said blade being oriented substantially parallel to said main axis of said cylinder penetrator.
3. The surgical device according to claim 2, wherein a tip portion of said blade is substantially located along said main axis of said cylinder penetrator.
4. The surgical device according to claim 1 , further comprising a guard moveable with respect to said blade to cover said at least first blade edge;
5. : 5. A surgical device, comprising: a handle configured to be gripped; a cylinder penetrator having a main axis and attached to said handle; a substantially planar blade having a cutting tip located at a distal end of said cylinder penetrator; and an insufflation passageway configured to discharge a pressurized fluid while said cutting tip is inside a body tissue and transport said pressurized fluid across said body tissue when said cutting tip substantially penetrates the body tissue.
6. The surgical device according to claim 5, wherein said surgical device further comprises: an externa] reservoir configured to supply said insufflation passageway with said pressurized fluid.
7. The surgical device according to claim 6, wherein said surgical device further comprises: a check valve between said insufflation passageway and an exterior of the surgical device, configured to prevent leakage from said insufflation passageway.
8. The surgical device according to claim 5, wherein said insufflation chamber is configured to pressurize during an insertion of said cutting tip into said body tissue.
9. The surgical device according to claim 5, wherein said pressurized fluid is a gas.
10. The surgical device according to claim 7, wherein said check valve is a flap valve.
11. 1 1. The surgical device according to claim 5, wherein said insufflation passageway passes through said cylinder penetrator.
12. The surgical device according to claim 5, wherein: said planar blade includes a plurality of cutting edges configured to intersect substantially at the main axis of said cylinder penetrator; and said insufflation passageway is defined in part by said blades.
13. A surgical device, comprising: a handle configured to be gripped; a cylinder penetrator having a main axis and attached to said handle; a substantially planar blade having a cutting tip located at a distal end of said cylinder penetrator; a tissue expander located at a distal end of said cylinder penetrator and configured to expand a tissue cut by said cutting tip for insertion of said cylinder penetrator; and a guard configured to expose said cutting tip while said cutting tip is beginning to cut a tissue layer and while said cutting tip is in said tissue layer, and to progressively cover the end of said cutting tip immediately after a most distal point of said cutting tip has substantially passed through said tissue layer
14. The surgical device of claim 13, wherein said blade comprises: a plurality of blade edges configured to intersect at a position distal to said cylinder penetrator and substantially along said main axis.
15. 1.5. The surgical device of claim 14, wherein said guard comprises: a safety guard positioned substantially parallel to said blade.
16. The surgical device of claim 15, wherein said guard further has a safety guard edge angle smaller than a blade edge angle of said blade.
17. The surgical device of claim 13, further comprising: a spring configured to allow translation of said guard responsive to a force generated during a driving of said cutting tip into and through said tissue layer.
18. The surgical device of claim 13, wherein said tissue expander further comprises: tissue expander faces located slightly proximal to said cutting tip.
19. The surgical device of claim 13, further comprising:. a penetration monitor configured to indicate a position of said guard relative to said cutting tip.
20. A surgical device, comprising: a handle configured to be gripped; a cylinder penetrator having a main axis and attached to said handle; a substantially planar blade having a cutting tip located at a distal end of said cylinder penetrator; a tissue expander configured to expand a tissue cut by said cutting tip for insertion of said cylinder penetrator; and a guard configured to have substantially no contact with said tissue during a penetration of said tissue by said cutting tip.
21. . The surgical device of claim 20, wherein said guards are slidably affixed between said tissue expander and said cutting tip.
22. A surgical device, comprising: a handle configured to be gripped; a cylinder penetrator having a main axis and attached to said handle; a substantially planar blade cutting tip located at a distal end of said cylinder penetrator; a guard configured to slidably cover and uncover said cutting tip; and a locking mechanism configured to hinder an accidental uncovering of said cutting tip by said guard.
23. A surgical device, comprising: a handle configured to be gripped; a cylinder penetrator having a main axis and attached to said handle; a substantially planar blade cutting tip located at a distal end of said cylinder penetrator; wherein said handle includes at least one side horn configured to facilitate pushing, pulling, rotation, and tilting of said surgical device.
24. The surgical device of claim 23, furthercomprising: a cannula attached to a removable portion of said handle.
25. A surgical device, comprising: . means for gripping said surgical device; . 1 means for passing an object of interest into a substantially planar hole; ύ 163713/2 means for cutting said hole for insertion of said means for passing; and means for halting said means for cutting.
26. The surgical device of claim 25, wherein said means for halting comprises: means for guarding said means for cutting.
27. The surgical device of claim 25, wherein said means for halting comprises: means for insufflating a tissue beneath said means for cutting.
28. The surgical device according to claim 5, wherein said at least first blade edge is positioned so as to intersect with said main axis of said cylinder penetrator.
29. The surgical device according to claim 1, wherein said cylinder penetrator is hollow.
30. The surgical device according to claim 1, wherein said first blade has two cutting edges.
31. A surgical device according to claim 1, substantially as described herein with reference to the accompanying drawings. For the Applicants, WOLFF, BREGMAN AND GOLLER
IL163713A 2002-03-08 2004-08-24 Safety trocar with progressive cutting tip guards and gas jet tissue deflector IL163713A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/092,560 US20020161387A1 (en) 2000-06-22 2002-03-08 Safety trocar with progressive cutting tip guards and gas jet tissue deflector
PCT/US2003/005572 WO2003075999A1 (en) 2002-03-08 2003-03-05 Safety trocar with progressive cutting tip guards and gas jet tissue deflector

Publications (1)

Publication Number Publication Date
IL163713A true IL163713A (en) 2010-02-17

Family

ID=27804172

Family Applications (1)

Application Number Title Priority Date Filing Date
IL163713A IL163713A (en) 2002-03-08 2004-08-24 Safety trocar with progressive cutting tip guards and gas jet tissue deflector

Country Status (12)

Country Link
US (1) US20020161387A1 (en)
EP (1) EP1483010A4 (en)
JP (1) JP4402958B2 (en)
KR (1) KR20040104489A (en)
CN (1) CN100515512C (en)
AU (1) AU2003225597B2 (en)
CA (1) CA2477934A1 (en)
IL (1) IL163713A (en)
MX (1) MXPA04008672A (en)
NO (1) NO20043849L (en)
WO (1) WO2003075999A1 (en)
ZA (1) ZA200406764B (en)

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KR20040104489A (en) 2004-12-10
JP2006500079A (en) 2006-01-05
CN100515512C (en) 2009-07-22
US20020161387A1 (en) 2002-10-31
MXPA04008672A (en) 2005-07-13
AU2003225597B2 (en) 2008-12-11
ZA200406764B (en) 2006-06-28
WO2003075999A1 (en) 2003-09-18
EP1483010A1 (en) 2004-12-08
JP4402958B2 (en) 2010-01-20
CN1638835A (en) 2005-07-13
EP1483010A4 (en) 2009-04-08
NO20043849L (en) 2004-09-14
CA2477934A1 (en) 2003-09-18
AU2003225597A1 (en) 2003-09-22

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