WO2005074815A2 - Multiple function surgical device - Google Patents

Multiple function surgical device Download PDF

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Publication number
WO2005074815A2
WO2005074815A2 PCT/US2005/004835 US2005004835W WO2005074815A2 WO 2005074815 A2 WO2005074815 A2 WO 2005074815A2 US 2005004835 W US2005004835 W US 2005004835W WO 2005074815 A2 WO2005074815 A2 WO 2005074815A2
Authority
WO
WIPO (PCT)
Prior art keywords
surgical device
elongate shaft
mobilization
tip
distal end
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2005/004835
Other languages
English (en)
French (fr)
Other versions
WO2005074815A3 (en
Inventor
Jaime Landman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Applied Medical Resources Corp
Original Assignee
Applied Medical Resources Corp
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 Applied Medical Resources Corp filed Critical Applied Medical Resources Corp
Priority to JP2006551647A priority Critical patent/JP2007519501A/ja
Priority to CA002552822A priority patent/CA2552822A1/en
Priority to AU2005209938A priority patent/AU2005209938A1/en
Priority to EP05713623A priority patent/EP1708622A2/en
Publication of WO2005074815A2 publication Critical patent/WO2005074815A2/en
Anticipated expiration legal-status Critical
Publication of WO2005074815A3 publication Critical patent/WO2005074815A3/en
Ceased legal-status Critical Current

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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/0218—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3201—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320044—Blunt dissectors

Definitions

  • Field of the Invention generally relates to medical devices for use in open and minimally invasive or laparoscopic surgeries and, more particularly, to a surgical device providing multiple functions including aspiration, irrigation, traction, filtration, dissection and compression of tissue.
  • Surgical devices providing irrigation and aspiration of a surgical site are well known in the art.
  • suction-irrigation devices are used to clean and clear surgical sites of contamination, blood, biological matter and/or debris during the course of open and minimally invasive surgeries as generally illustrated in FIGS. 1 and 2, respectively.
  • an irrigation fluid such as saline is introduced to a surgical site and then aspirated or vacuumed from the site.
  • a suction-irrigation device typically includes an elongate tube, sized and configured to operate through a trocar in the case of minimally invasive surgery, and a valve system at the proximal end to alternately deliver and remove the irrigation fluid.
  • the elongate tube is constructed of metal or plastic tubing having an open distal tip and a distal end portion that may include side-holes to allow suction when the distal tip is occluded.
  • the construction of the present suction-irrigation devices is such that it limits the devices to their specific functions. In other words, the construction of the present suction-irrigation devices does not allow them to be used for other purposes or functions.
  • a surgeon may want to mobilize or move a piece of tissue from one location to another location during the course of surgery. This typically requires the use of a suction-irrigation device as discussed above and a mobilization device.
  • the mobilization device generally
  • a surgical device that provides multiple functions including at least one of aspiration, irrigation, traction, filtration, dissection and compression of tissue.
  • the ability for a surgical device to provide multiple functions would provide for optimal vascular control during surgery.
  • This multiple function o surgical device would not require the simultaneous use of both hands to operate and, in the case of minimally invasive surgery, would need only one trocar port to perform its functions.
  • the multiple function surgical device reduces surgery time and costs. It is preferable that this surgical device has a distal end portion that is not subject to suction-lock.
  • the present invention is directed to a surgical device capable of providing multiple functions including at least one of aspiration, irrigation, traction, filtration, dissection and compression of tissue.
  • the multiple function surgical device comprises an elongate shaft having a proximal end and a distal end, a mobilization tip operatively attached at the distal end of the elongate shaft for manipulating tissue, and a valve o assembly operatively connected to the proximal end of the elongate shaft for selectively delivering and removing an irrigation fluid to and from a surgical site through the elongate shaft.
  • the surgical device may be operated with one hand in an open or minimally invasive surgical procedure.
  • the surgical device is dimensioned according to its use in either open or minimally invasive surgery.
  • the mobilization tip comprises a
  • the mobilization tip further includes a porous filter for preventing biological matters such as loose tissues, clots, fats or other debris from being inadvertently drawn into the aspiration holes or spaces at the distal end of the elongate shaft so as to prevent suction-locking or vacuum-locking.
  • the diameter of the elongate o shaft may be reduced at the distal end so as to allow different material filter to be attached thereto.
  • FIG. 1 illustrates a top view of an open surgery requiring at least two instruments
  • FIG. 2 illustrates a side view of a minimally invasive or laparoscopic surgical setup with multiple trocars
  • FIG. 3 is a perspective view of a multiple function surgical device having a o compressed tip in accordance with a first embodiment of the invention
  • FIG. 4 is a perspective view of a multiple function surgical device having an expanded tip in accordance with a second embodiment of the invention
  • FIG. 5 is an enlarged view of the surgical device shown in FIG. 3 including a traction-enhancing structure
  • 6 is an enlarged view of the surgical device shown in FIG. 4 including a traction-enhancing structure
  • FIG. 1 illustrates a top view of an open surgery requiring at least two instruments
  • FIG. 2 illustrates a side view of a minimally invasive or laparoscopic surgical setup with multiple trocars
  • FIG. 3 is a perspective view of a multiple function surgical device having a o compressed tip in accordance with a first embodiment of the invention
  • FIGS. 1 and 2 illustrate typical open and minimally invasive or laparoscopic surgeries, respectively, requiring the use of multiple instruments.
  • FIG. 2 illustrates a side view of a typical minimally invasive or laparoscopic surgical setup 10 in a human body 12.
  • Trocar port 14 may be used to accommodate a laparoscope 22 to view the surgical site
  • trocar port 16 may be used to accommodate a grasping or cutting instrument 24
  • trocar port 18 may be used to accommodate a device 26 having a mobilization tip or wand.
  • Mobilization device 26 commonly includes a traction-enhancing member 28 at a distal end portion 30.
  • Traction-enhancing member 28 includes a traction material such as cotton, which is very absorbent and exhibits an attraction to moist surfaces.
  • a surgeon may use one hand to grasp cutting instrument 24 and the other hand to grasp mobilization device 26.
  • a surgeon may use one hand to grasp one instrument and the other hand to grasp another instrument.
  • most surgical procedures require the use of multiple instruments and, as such, it would be advantageous to minimize the number of instruments used during the course of a surgical procedure.
  • the laparoscopic procedure makes full use of three strategically placed trocar ports 14, 16 and 18.
  • the suction-irrigation device generally includes an elongate shaft connected to a valve at a proximal end.
  • the elongate shaft is sized and configured to extend through trocar port 18 and into the surgical site.
  • the valve may be connected to a fluid source and a vacuum source and operates to alternately permit the flow and suction of an irrigation fluid through the elongate shaft.
  • the distal end of the elongate shaft is substantially open and may include side-holes.
  • the side-holes are configured to break the suction that may occur when the open distal end is pressed against a soft, compliant, thin or loosely attached tissue.
  • the side-holes are designed to address the problem of vacuum-lock that may occur with common suction devices. For example, when a suction device is placed within a pool of fluid such as blood during a surgical procedure.
  • FIG. 3 is a perspective view of a multiple function surgical device 40 in
  • Surgical device 40 provides a novel multi-function instrument for performing open or minimally invasive surgeries.
  • Surgical device 40 includes numerous features necessary for the performance of a surgical procedure such as aspiration, irrigation, traction, filtration, compression and/or dissection of tissue. The ability to perform these multiple functions simultaneously is a novel feature of the invention that is superior to any available technology in open and laparoscopic surgeries. It should be noted that surgical device 40 is dimensioned
  • surgical device 40 should be sized and configured to fit through a trocar port in the case of minimally invasive surgery as generally shown in FIG. 2.
  • Surgical device 40 includes an elongate shaft 42 and a subassembly 44 having a first connection port 45(a), a second connection port 45(b), a first valve mechanism o 46(a) and a second valve mechanism 46(b).
  • First connection port 45(a) provides a source of suction
  • second connection port 45(b) provides a source of irrigation
  • first valve mechanism 46(a) operates to actuate the source of suction through first connection port 45(a)
  • second valve mechanism 46(b) operates to actuate the source of irrigation through second connection port 45(b).
  • Elongate shaft 42 further includes a distal end 48 for providing mobilization and manipulation of organs or tissues.
  • Distal end 48 is substantially open and may include aspiration holes.
  • Distal end 48 further includes a compressed tip and a filter 50 o covering the compressed tip to prevent suction-lock when surgical device 40 is in intimate contact with vulnerable tissues.
  • the porous nature of filter 50 prevents biological matters such as delicate or loose tissues from being drawn into the open distal end or aspiration holes of elongate shaft 42.
  • FIG. 4 is a perspective view of a multiple function surgical device 41 similar to the device 40 shown in FIG.
  • FIG. 3 but includes an expanded distal end or tip 49 and a filter 51 covering said tip 49 in accordance with a second embodiment of the invention.
  • FIG. 5 illustrates an enlarged view of surgical device 40 as shown in FIG. 3 further including a filter 52 having a traction-enhancing structure 54 attached at distal end 48.
  • FIG. 6 illustrates an enlarged view of surgical device 41 as shown in FIG. 4 further including a filter 53 having a traction-enhancing structure 55 attached at distal end or tip 49.
  • Traction-enhancing structures 54 and 55 would increase the efficiency of the aspiration component of surgical devices 40 and 41 , respectively, as traditional suction-irrigation devices tend to become obstructed with clots, fat and/or other debris. In addition to providing filtration, the softer tips of surgical devices 40 and 41 would also make them superior for compression of bleeding tissues or vessels.
  • Traction-enhancing structures 54 and 55 may be formed from cotton or a cottonlike material having absorptive characteristics. Alternatively, traction-enhancing structures 54 and 55 may be formed from a reticulated or an open-cell foam or sponge.
  • Each of traction-enhancing structures 54 and 55 may include a molded, die-cut, woven knitted or braided cover that is removably attached to distal ends or tips 48 and 49, respectively. With this configuration, the surfaces of traction-enhancing structures 54 and 55 provide a frictional component that mimics the serrations of existing surgical instruments. As illustrated in FIG. 8, a braided tubular sleeve 76 may be formed over a reticulated foam sleeve 77. Braided tubular sleeve 76 provides superior traction while foam sleeve 77 provides atraumatic flexibility and conformity to tissue irregularities or
  • Braided tubular sleeve 76 is preferably made from a non-elastic fiber and foam sleeve 77 is preferably made from a soft, porous and elastic material. It is appreciated that braided tubular sleeve 76 maintains a tractive surface even when compressed. As discussed above, the porous nature of filters 50, 51 , 52 and 53 prevent o delicate or loose tissues from entering into the openings of elongate shafts 42 and 43. Nevertheless, in the event that tissues are pressed against filters 50, 51 , 52 and 53, the suction function of surgical devices 40 and 41 will automatically re-distribute through the porous filters such that devices 40 and 41 will continue to operate without interrupting the surgical procedure. As a result, surgical devices 40 and 41 can provide deep-pool
  • FIG. 7 illustrates a side section view of a multiple function surgical device 70 in
  • Surgical device 70 includes an elongate tubular shaft 72 having a reduced diameter at its distal end portion 74.
  • the reduced diameter allows for the placement of a traction-enhancing filter including braided tubular sleeve 76 and foam sleeve 77 without substantially increasing the diameter of the instrument shaft.
  • a 5 mm laparoscopic suction-irrigation device is typically sized and configured to fit through a 5 mm laparoscopic trocar. If a distal attachment is placed over the shaft, the increased diameter of the suction-
  • FIG. 8 is an enlarged view of surgical device 70 as shown in FIG. 7.
  • FIG. 9 is a perspective view of the distal end of surgical device 70 prior to attachment of the traction-enhancing filter.
  • FIG. 10 is a perspective view of the distal end of surgical device 70 after attachment of the traction-enhancing filter.
  • FIG. 11 illustrates a perspective view of a multiple function surgical device 80 in accordance with another embodiment of the invention.
  • Surgical device 80 is similar to the device 70 shown in FIGS. 7-10 including
  • the distal end 85 of distal end portion 84 is substantially open and may include aspiration holes 87.
  • the reduced diameter of distal end portion 84 allows for the placement of an open-end traction-enhancing filter 86 without substantially increasing the diameter of the instrument shaft.
  • Open-end traction-enhancing filter 86 is configured such that open
  • FIG. 12 illustrates perspective views of multiple function surgical devices 90 and 95 comprising elongate shafts 92 and 96 having reduced diameters at distal end portions 93 and 97, respectively.
  • the reduced diameters at distal end portions 93 and 97 allow thicker, more absorptive and more tractive filters to be attached thereto.
  • distal end portions 93 and 97 include larger aspiration holes or spaces 94 and 98, respectively, that provide improved aspiration and irrigation of the surgical site.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
PCT/US2005/004835 2004-01-30 2005-01-25 Multiple function surgical device Ceased WO2005074815A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006551647A JP2007519501A (ja) 2004-01-30 2005-01-25 多機能外科手術装置
CA002552822A CA2552822A1 (en) 2004-01-30 2005-01-25 Multiple function surgical device
AU2005209938A AU2005209938A1 (en) 2004-01-30 2005-01-25 Multiple function surgical device
EP05713623A EP1708622A2 (en) 2004-01-30 2005-01-25 Multiple function surgical device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/768,608 2004-01-30
US10/768,608 US20050171467A1 (en) 2004-01-30 2004-01-30 Multiple function surgical device

Publications (2)

Publication Number Publication Date
WO2005074815A2 true WO2005074815A2 (en) 2005-08-18
WO2005074815A3 WO2005074815A3 (en) 2006-10-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/004835 Ceased WO2005074815A2 (en) 2004-01-30 2005-01-25 Multiple function surgical device

Country Status (6)

Country Link
US (1) US20050171467A1 (enExample)
EP (1) EP1708622A2 (enExample)
JP (1) JP2007519501A (enExample)
AU (1) AU2005209938A1 (enExample)
CA (1) CA2552822A1 (enExample)
WO (1) WO2005074815A2 (enExample)

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US20050171467A1 (en) 2005-08-04
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