US20010029353A1 - Laparoscopic tool and method - Google Patents

Laparoscopic tool and method Download PDF

Info

Publication number
US20010029353A1
US20010029353A1 US09797048 US79704801A US2001029353A1 US 20010029353 A1 US20010029353 A1 US 20010029353A1 US 09797048 US09797048 US 09797048 US 79704801 A US79704801 A US 79704801A US 2001029353 A1 US2001029353 A1 US 2001029353A1
Authority
US
Grant status
Application
Patent type
Prior art keywords
apparatus
channel
sleeve
according
tool
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.)
Abandoned
Application number
US09797048
Inventor
Francis Peterson
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.)
Phillips Plastics Corp
Original Assignee
Phillips Plastics 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

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B17/3439Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3462Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B17/3423Access ports, e.g. toroid shape introducers for instruments or hands
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B17/3431Cannulas being collapsible, e.g. made of thin flexible material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3498Valves therefor, e.g. flapper valves, slide valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00557Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated inflatable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B2017/3419Sealing means between cannula and body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B2017/3443Cannulas with means for adjusting the length of a cannula
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/034Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for
    • A61B2090/062Measuring instruments not otherwise provided for penetration depth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/40Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment

Abstract

The present invention is directed to an apparatus for use in internal surgical procedures and is particularly advantageous for use in laparoscopic surgical procedures. An example implementation is directed to a tool having a depth-adjustable cannula having an upper portion that rests on the body, and having an automatically-sealing channel that readily accepts the insertion and removal of surgical instruments without permitting gases to pass. In one particular embodiment, the tool includes a low-profile platform for stabilizing the tool on a body layer, a projection channel with a flexible sleeve for maintaining the channel closed, and an adjustable member for setting the penetration depth of the tool. The flexible sleeve is sufficiently elastic to close the inner channel in response to pressurization between the outside of the flexible sleeve and the inner surface of the hollow channel. The low-profile platform and the adjustable member permit use of the same tool for different body-wall thicknesses.

Description

    RELATED PATENT DOCUMENTS
  • This is a continuation application of U.S. patent application Ser. No. 09/246,228, filed on Feb. 8, 1999 (PHIL.110PA), which is related to U.S. patent application entitled, “Choker-Catheter,” Ser. No. 08/988,157, filed on Dec. 12, 1997 (now U.S. Pat. No. 6,004,303), and assigned to the instant assignee and incorporated herein in its entirety, to which priority is claimed.[0001]
  • FIELD OF THE INVENTION
  • The present invention relates to an apparatus for use in laparoscopic surgery and, more particularly, to an apparatus for providing a seal or valve structure within a cannula which effectively and cost efficiently prevents inert gas from escaping while allowing the repeated insertion and removal of surgical instruments through the cannula. [0002]
  • BACKGROUND OF THE INVENTION
  • Recent advancements in surgical techniques and instruments have permitted for incisions of reduced size for a variety of surgical procedures. For example, surgical procedures which only a few years ago required an incision six or seven inches in length are today performed through incisions requiring less than one inch in length. Among other advancements, one type of surgical instrument that has been significant in this regard is the trocar. [0003]
  • In general, a trocar is a sharply pointed surgical tool that is used to create and maintain small, bowl-like incisions in a body cavity. Surgical instruments, including miniaturized optical devices, can be inserted through these small incisions and manipulated to perform surgical procedures within the body cavity without ever exposing the patient's internal organs or structures to the outside environment. By enabling the creation and maintenance of small working holes within a patient's body wall, conventional trocars have greatly contributed to the reduction and size of the incisions required to perform surgical procedures thereby reducing the related complications. [0004]
  • Conventional trocars generally include an obturator and a cannula. An obturator is a small, nail-like structure for penetrating the body wall to create a working channel into the body cavity. The cannula is a tube-like structure which is inserted into the incision made by the obturator to maintain a working channel even after the obturator is removed. In a typical scenario, the obturator and cannula are assembled into a single unit by inserting the obturator within the cannula, and then a combination is used to puncture the body wall. The obturator can then be carefully withdrawn from the cannula without removing the cannula from the body wall. Surgical instruments can be inserted through this cannula to perform an entire surgical procedure within the body cavity. [0005]
  • In many surgical procedures involving trocars, the body cavity is inflated with a nontoxic gas before the trocar is employed to create a working pocket or volume within the patient and to prevent the trocar from penetrating internal organs during insertion. In an appendectomy procedure, for example, a patient's abdomen is inflated with a gas through a veress needle. The obturator is then used to place cannulas in various locations throughout the inflated abdomen to perform the procedure. One such cannula would typically be used to pass a small camera and light into the body cavity so the surgeon could view the operating area within the patient. Other cannulas would be used at other locations to pass surgical instruments into the cavity and remove tissue such as the appendix from the patient. [0006]
  • Maintaining the patient's abdomen in an inflated state throughout this procedure is important. To this end, cannulas are often provided with sealing flap valves that are arranged to prevent gas from escaping from the patient's abdomen after the obturator has been withdrawn. These sealing valves, however, do not prevent gas leakage when the surgical instrument has a diameter that is smaller than the diameter of the cannula seal. Instead gas can easily pass through the gap between the inner walls of the cannula and the outer surface of the surgical instrument to deflate the work area. To prevent such deflation of this type from occurring, physicians often are required to utilize only those instruments whose dimensions closely match those of the cannula. This requirement apparently limits the surgeon's freedom of choice in selecting surgical instruments for the procedure. Thus, while a surgeon's instrument might be preferred by a physician, the physician might nonetheless be forced to use a less preferred, and possibly less effective, tool to perform a procedure to avoid deflating a body cavity. [0007]
  • It is also important for the surgeon to use an assembled obturator and cannula for the particular operation and/or patient. Depending on the body cavity to be explored and the patient undergoing the surgery, the surgical procedures can vary significantly. For example, using an assembled obturator and cannula to puncture the stomach of a baby is quite different than using an assembled obturator and cannula to puncture the stomach of an obese adult. Typically, the procedure for a baby requires that the assembled obturator and cannula be inserted just a short way, enough to pierce a thin stomach wall. Conversely, the same procedure for an obese adult requires that the assembled obturator and cannula be inserted through a relatively thick stomach wall. For such procedures, the conventional obturator and cannula assembly is often too long or too short, thereby making the surgery awkward. For example, when using an obturator and cannula assembly that is too long, the upper end of the assembly extends far above the stomach wall thereby making the assembly unstable. [0008]
  • Accordingly, there is a need for a surgical instrument and procedure that addresses the above-mentioned, and other, problems in the prior art. [0009]
  • SUMMARY OF THE INVENTION
  • The present invention is directed to an apparatus or tool for use in internal surgical procedures and, more particularly, to a laparoscopic tool for surgical procedures. In a more specific example embodiment, the tool includes a low-profile platform for stabilizing the tool on a body layer, a collapsing sleeve in a projection channel within the tool for maintaining the channel closed, and an adjustable member for setting the penetration depth of the tool. [0010]
  • In another example embodiment, an apparatus is used for inserting through a body layer and into a body cavity for surgical procedures. The apparatus includes: an elongated tube including an entry port, a channel and an extended portion configured and arranged to extend the entry port above the body layer; and a flexible sleeve located within the hollow channel of the tube and being supported via the elongated tube at first and second locations of the elongated tube, wherein the flexible sleeve is configured and arranged to have slack between the first and second locations such that the sleeve is compressed when under pressure while in use to close the opening. [0011]
  • In another particular embodiment, a method for accessing through a body layer and into a body cavity for surgical procedures, comprises: providing a tool including an entry port, a channel and an extended portion configured and arranged to extend the entry port above the body layer, and providing a flexible sleeve within the hollow channel; inserting the tool into the body and setting the extended portion on the body layer; placing an instrument within the channel and within the flexible sleeve; permitting the flexible sleeve to conform around the instrument while the instrument is within the channel, and permitting the flexible sleeve to close upon itself while no object is within the channel, such that the flexible sleeve includes sufficient slack between the first and second locations that the sleeve responds as such when under pressure. [0012]
  • Another example implementation is directed to a tool having a depth-adjustable cannula having an upper portion that rests on the body, and having an automatically-sealing channel that readily accepts the insertion and removal of surgical instruments without permitting gases to pass through a channel in the cannula. [0013]
  • The above summary of the present invention is not intended to describe each illustrated embodiment of the present invention. Other aspects and embodiments of the invention will become apparent upon a review of the figures and detailed description.[0014]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The invention may be more completely understood in consideration of the detailed description of various embodiments of the invention which follow in connection with the accompanying drawings, in which: [0015]
  • FIG. 1A is a perspective view of an example surgical tool, according to the present invention, with a body-piercing portion of the tool removed; [0016]
  • FIG. 1B is a perspective view of the body-piercing portion of the example surgical tool of FIG. 1A, according to the present invention; [0017]
  • FIG. 1C is a cross-sectional side-end view of the example surgical tool of FIGS. 1A and 1B, according to the present invention, shown in assembled form; [0018]
  • FIG. 1D is a perspective view of the example surgical tool of FIGS. 1A and 1B, according to the present invention, shown in assembled form; [0019]
  • FIG. 1E is a perspective view of the example surgical tool of FIG. 1A, according to the present invention, shown in unassembled form; [0020]
  • FIGS. [0021] 2A-2F are perspective views of various portions of an example surgical tool manufactured in a manner consistent with the example surgical tool of FIGS. 1A, 1B and 1C, also according to the present invention;
  • FIG. 3A is a side view of an outer cannula and an inner seal of an example surgical tool according to the present invention; [0022]
  • FIG. 3B is an end view according to the present invention of the cannula with its inner seal of the example surgical tool of FIG. 3A; and [0023]
  • FIG. 3C is a perspective view showing how a surgical instrument, such as illustrated in FIGS. 3A and 3[0024] b, can be inserted through the cannula and its inner seal while maintaining a closed seal within the cannula, also according to the present invention.
  • While the invention is amenable to other various modifications in alternative forms, specifics thereof have been shown by way of example in the drawings and will be described in detail. It should be understood, however, that the intention is not to limit the invention to a particular embodiment described. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. [0025]
  • DETAILED DESCRIPTION
  • The present invention is applicable to a variety of apparatus and arrangements in which external instruments are to be passed through an opening separating two environments in which a pressure difference between these environments exists and in which maintaining a seal between these environments is beneficial. The invention has been found to be particularly advantageous in laparoscopic surgery where surgical instruments are passed into a body cavity (human or otherwise) to perform an operation. While the present invention is not so necessarily limited, various aspects of the invention can be appreciated through discussion of application examples in such an environment. [0026]
  • Turning now to the drawings, FIGS. [0027] 1A-1E illustrate an example laparoscopic tool 100 that is used to create and maintain a small incision through a body layer, such as a stomach wall, having any of a number of thicknesses. FIG. 1A shows the tool 100 from a side view with the piercing portion of the tool 100 removed. The laparoscopic tool 100 includes a main body 112 including an upper portion 112 a and an elongated section 112 b having a hollow center channel, an inner flexible tube 115 for collapsing the channel sealed, and an outer adjustment sleeve 116 adapted to provide a depth-settable scope at the bottom of the tool 100. The inner flexible tube 115 is open-ended at each end and fits within the channel of the elongated section 112 b. The inner flexible tube 115 has one end secured between a tube lock 132 and the upper portion 112 a, and has another end secured at a location 123 near the end of the elongated section 112 b, for example, using a heat weld, glue or other adhering substance. The inner flexible tube 115 has sufficient slack so that it collapses closed under a pressure in the body cavity, for example, as provided into the body cavity via a gas supply feeding a channel 120.
  • FIG. 1B shows the piercing portion of the tool [0028] 100 of FIG. 1A. This portion of the tool 100 includes a pin 114 secured at an upper end to a pin holder 130, and a lock 118. The lock 118 has a lock head 118 a, a pin-receiving channel 118 b, and a separable end 118 c. The separable end 118 c includes a plurality of sections (e.g., 3 or 4), each having an outwardly-extending protrusion 118 d that is designed to lock into a corresponding aperture 116 a within the outer adjustment sleeve 116 of FIG. 1A.
  • As shown in the cross-sectional view of FIG. 1C, the piercing portion (FIG. 1B) of the tool [0029] 100 is inserted into the inner flexible tube 115 within the channel of the elongated section 112 b. Once assembled, the piercing portion (FIG. 1B) of the tool 100 can be adjusted along the elongated section 112 b so that the distance between the underside of the upper portion 112 a and the girth at the bottom of the pin 114 corresponds to the thickness of the body layer being penetrated. With the piercing portion of the tool 100 adjusted for the corresponding body layer thickness, the upper portion 112 a can rest on the body layer and thereby provide a foundation above the fatty body layer for insertion and control of instruments to be inserted through (into and out of) the inner flexible tube 115. The entry port, beginning at the upper side of the upper portion 132 a, has a conical shape to aid in guiding instruments into the inner flexible tube 115.
  • The above example embodiment of the present invention is advantageous in that only one laparoscopic tool is needed for a variety of body layer thicknesses. The above embodiment is also advantageous in that the upper portion [0030] 112 a of the main body 112 extends above the body layer. This provides the operator (or surgeon) a wide and elevated base, or platform, over the outer body layer and from which the operator can control the surgical instruments. In one embodiment, the upper portion 112 a is about ¾ inch high and several inches wide; however, the height and girth of the upper portion 112 a can vary.
  • FIGS. 1D and 1E respectively illustrate perspective views of the tool [0031] 100 of FIG. 1A in assembled and unassembled form.
  • Referring now to FIGS. [0032] 1C-1D, the pin holder 130 includes a curved surface that mates with a curved surface on the lock head 118 a. When the pin holder 130 is turned relative to the lock head 118 a so that the two surfaces are in a locked and non-mated position, these curved surfaces provide a cam action to draw the bulb end of the pin 114 part way into the end of the lock 118. This cam action, in turn, causes the flexible end 118 c of the lock 118 to lock into the end 116 a of the sleeve 116, thereby setting the various parts of the laparoscopic tool 100 so that it can be used to make the desired incision. Once the incision is made, the gas supply can be used to inflate the inner flexible tube 115 and body cavity, and the pin holder 130 can be turned relative to the lock head 118 a so that the two surfaces are in a mated position. Turning the pin holder 130 in this manner causes the flexible end 118 c of the lock 118 to be released from its lock into the end 126 a of the sleeve 116. The lock head 118 a is then drawn upward and out of the main body 112 to remove the lock 118 and the pin/pin-holder assembly 114/130 from the main body 112. Surgical instruments are then inserted into the tube lock 132 and the end of the inner flexible tube 115 for viewing and/or surgical manipulations within the inflated cavity.
  • Another important aspect of the present invention concerns maintaining that the body cavity is in an inflated state throughout the procedure. To this end, the inner flexible tube [0033] 115 is configured and arranged to seal the incision during the surgery, even after the pin 114 is withdrawn and other instruments are inserted and withdrawn. Regardless of the diameters of the instruments, gas cannot easily pass into or out of the body cavity and deflate the work area. In various embodiments, the inner flexible tube 115 is constructed of a slippery polyurethane or Teflon-like material to permit the easy passage of an external instrument through the sleeve to exit the rigid tube 102 at its first end 106. The slippery, plastic, polyurethane-like material also provides the required elasticity to allow the flexible tube to be compressed under pressure to close the opening of the inner channel formed within the flexible tube.
  • When used for laparoscopic surgery, the tool [0034] 100 creates a small hole within the body cavity, with the hole sized to match the outer diameter of the outer adjustment sleeve 116. The body cavity is generally pressurized using an inert gas, such as CO2, such that the internal pressure within the body cavity is greater than the outside air. When the outer adjustment sleeve 116 is inserted within the pressurized body cavity, this pressurization enters the outer adjustment sleeve 116 at its lower end and thereby compresses the inner flexible tube 115. Because the flexible tube 115 is attached at the end of the main body 112, the flexible tube 115 gathers and compresses, closing the channel along the whole length of the flexible tube 115 and preventing the escape of the pressurized gas from inside the body cavity.
  • When in this configuration, a surgical instrument can be inserted through tube lock [0035] 132 to enter within the inner channel of the now collapsed inner flexible tube 115. As the instrument is inserted through the flexible tube, the flexible tube will conform around the external instrument, thus permitting the instrument to pass through the inner flexible tube 115 and exit the rigid main body 112. At the same time, the pressurization is present within the main body's upper end. The pressurization continues to press the flexible tube against the surfaces of the external instrument as it passes through the inner channel. The external instrument can now be used to perform surgical procedures within the body cavity.
  • As the external instrument is removed, it passes back through the inner channel of the flexible tube. Pressurization from within the body cavity maintains the collapsed structure of the flexible tube, thereby maintaining the seal of the inner channel around the instrument until it is closed when the instrument is completely removed. [0036]
  • In accordance with one aspect of the present invention, an example surgical procedure includes using the laparoscopic tool [0037] 100 in assembled form (FIG. 1B) to puncture an incision through a body wall. This procedure includes setting the outer adjustment sleeve 116 so that it is ratched all the way up along the elongated section 112 b toward the upper portion 112 a. In one implementation, the outer adjustment sleeve 116 sleeve includes an encircling ridge 116 b for catching and locking onto the protrusions 112 c of the elongated section 112 b. The puncture is then performed by pressing the tool 100 into the body until the underside of the upper portion 112 a resides on the skin or outer body layer. In one example application, the underside of the upper portion 112 a is adhered to the stomach wall using two-way tape 108. Next, with the main body 112 held against the skin, the lock 118 is pressed downward. This causes the outer adjustment sleeve 116 to ratchet with the pin further into the body cavity, then to the desired depth. In one application, the position of the outer adjustment sleeve 116 is selected for a desired depth (e.g., up to 3-4½ inches below the main body 112), depending on the thickness of the body layer (e.g., body fat) from the outer skin or layer to where the incision reaches the body cavity. Once the incision is complete, the pin 114 and the lock 118 are unlocked and removed to permit a surgical instrument to be inserted into the inflated body area for viewing and manipulation.
  • FIGS. [0038] 2A-2F show perspective views of example parts used for implementing the surgical tool 100 of FIGS. 1A, 1B and 1C. In FIG. 2A, the upper portion 112 a of the main body 112 is shown to include a recess area for receiving and securing therein an end of the flexible tube (115 of FIG. 1A) with the tube lock (132 of FIG. 2F) over the end of the flexible tube.
  • The main body [0039] 112 further includes protrusions 112 c along its extended portion for engaging and locking to an encircling ridge 116 b on the inner surface of the sleeve 116 (FIG. 2D). According to alternative example embodiments consistent with the present invention, the adjustment mechanism providing this engaging and locking can be implemented using the illustrated ratchet-like ladder along the length of the extended portion of the main body 112. Alternative locking methods include threads or an elongated tube. By using a nonpermanent securing mechanism such as the illustrated ratchet-like ladder, the outer adjustment sleeve 116 can be advantageously readjusted.
  • FIGS. 2B and 2C illustrate example structures for the pin holder [0040] 130 and the pin 114. The pin holder 130 includes an aperture 130 a for securing therein the pin 114 of FIG. 2C. The cam-like surface of the pin holder 130 is depicted as 130b. The pin 114 of FIG. 2C is expanded to show the bulb surface 114a for engaging and expanding the end 118 c of the lock 118 (FIG. 2E), the tip 114 b for incising the body wall, and the shaft 114 c that enters the port 112 b of the main body 112 (FIG. 2A).
  • The lock [0041] 118 of FIG. 2E and the outer adjustment sleeve 116 of FIG. 2D further show one of the interlocking sleeve/lock mechanisms. The lock 118 includes a pliable or flexible end with partially separable members 118 c that, in response to receiving the bulb portion 114 a of the pin 114 (FIG. 2C), are forced outwardly to mate protrusions 118 d into apertures 116 a of the sleeve 116.
  • These various components of FIGS. [0042] 2A-2F can be manufactured in a number of different ways including, for instance, via molded plastics (e.g., propylene).
  • Referring now to FIG. 3A, an alternative surgical instrument [0043] 301 consists of an elongated rigid tube 302 in which a flexible tube or sleeve 303 is placed within a hollow channel located within the rigid tube 302. The flexible tube or sleeve 303 is supported on the rigid tube 302 using a weld 305 attaching the bottom of the tube to the side wall. The flexible tube is also supported with some overlap 306 at the point at which the rigid tube 302 mates with an entrance receptacle 304 as it attaches to the upper end of the rigid tube 302. The receptacle 304 is a funnel shaped device that has a wide opening 308 and a narrow opening 307 for mating with the rigid tube 302. This funnel structure is useful in guiding the insertion of external instruments into the rigid tube 302 and flexible tube 303 by permitting the funnel structure to guide the instruments towards the center of the rigid and flexible tubes.
  • In one embodiment, the flexible tube [0044] 303 is constructed of a slippery polyurethane or Teflon-like material to permit the easy passage of an external instrument through the sleeve to exit the rigid tube 302 at its first end 306. The flexible tube 303 has a slippery, plastic, polyurethane-like material to provide the required elasticity that allows the flexible tube 303 to be compressed under pressure and to close the opening of the inner channel formed within the flexible tube 303.
  • When in use for laparoscopic surgery, the rigid tube [0045] 302 is inserted within a small hole within the body cavity. The small hole within the body cavity can be sized to match the outer diameter of the rigid tube 302. The body cavity is generally pressurized using an inert gas, such as CO2, such that the internal pressure within the body cavity is greater than the outside air. As such, when the rigid tube 302 is inserted within the pressurized body cavity, this pressurization enters the rigid tube at its first end 306 compressing the flexible tube 303 upwards. Because the flexible tube is attached using along the weld 305, the flexible tube gathers and compresses, closing the opening of the inner channel thus preventing the escape of the pressurized gas from inside the body cavity.
  • When in this configuration, a surgical instrument can be inserted through receptacle [0046] 304, as it is passed through the opening 308 of receptacle 304 and to enter within the inner channel of the now collapsed flexible tube 303. As the instrument is inserted through the flexible tube, the flexible tube will conform around the external instrument, thus permitting the instrument to pass through both the flexible tube 303 and exit the rigid tube 302. At the same time, the pressurization is present within the rigid tube's first end 306. The pressurization continues to press the flexible tube against the surfaces of the external instrument as it passes through the inner channel, thus maintaining a within the inner channel. The external instrument can now be used to perform surgical procedures within the body cavity.
  • As the external instrument is removed, it passes back through the inner channel of the flexible tube. Pressurization from within the body cavity maintains the collapsed structure of the flexible tube, thus maintaining the seal of the inner channel around the instrument until it is closed when the instrument is completely removed. [0047]
  • Referring to FIG. 3B, an end view of the surgical instrument looking down towards the top of the receptacle is shown. The outer edge [0048] 308 shows the outer dimension of the receptacle which funnels down towards the mating surface between the receptacle and the rigid tube 302. The flexible tube 303 is depicted in its closed position as the flexible tube 303 is gathered up to close the opening within the inner channel formed within 307. While an external instrument is inserted down through the center of the structure, the flexible tube 303 conforms to the shape and surface of the external instrument.
  • Referring to FIG. 3C, an embodiment of the present invention is shown in use where a cannula structure [0049] 302 is inserted within a body cavity 301 at an incision 310. A surgical instrument 330 is passed through the center of cannula 302 through the inner channel of the flexible tube (not shown in FIG. 3C) that seals the opening through the cannula structure 302. In this particular embodiment, an additional channel structure 334 has been added which permits the supply of an inert gas to be placed within the body cavity 301. This structure 334 can be an inert gas line that comes from an external source connected to a valve structure 345 and that allows the gas supply to be turned on and off. In one example embodiment, this valve structure 345 is made part of the receptacle housing. This structure 334 is also connected to a secondary tube that runs parallel to the rigid tube 302 of the cannula with an opening near at the first end of the rigid tube 302 permitting the gas to enter within the body cavity 301 on the far end side of the flexible tube 303, providing the pressurization within the body cavity needed to close the inner channel of the flexible tube 303. This supply of gas can be made part of the canal as described herein or can be made as a separate structure inserted in the body at some other location.
  • The gas supply, as described and illustrated in connection with FIGS. [0050] 3A-3C, can be similarly implemented in connection with the structure shown in FIGS. 1A-1C, with a channel for the gas running inside or outside the tools main wall.
  • The above specification, examples and data provide a complete description of the manufacture and use of the composition of the invention. Since many embodiments of the invention can be made without departing from the spirit and scope of the invention, the invention resides in the claims hereinafter appended. [0051]

Claims (10)

    I claim:
  1. 1. An apparatus for inserting through a body layer including:
    an elongated member, and
    a flexible sleeve where the sleeve is attached to the bottom of the elongated member at an area less than the majority of the periphery of the member so to close an opening through the sleeve when pressure from a body cavity enters the elongated member.
  2. 2. An apparatus, according to
    claim 1
    , wherein the flexible sleeve is constructed and arranged to permit an external instrument to pass through the channel while maintaining the channel closed due to pressurization between the sleeve and an inner surface of the tube.
  3. 3. An apparatus, according to
    claim 2
    , wherein the flexible sleeve has a first end supported near the entry port.
  4. 4. An apparatus, according to
    claim 3
    , further including a flexible sleeve lock that is constructed and arranged to provide another entry port that is aligned with the first-indicated entry port and to secure the first end of the flexible sleeve.
  5. 5. An apparatus, according to
    claim 4
    , wherein the first end of the flexible sleeve is secured adjacent the extended portion of the elongated tube.
  6. 6. An apparatus, according to
    claim 5
    , further including a gas supply channel running along the elongated member and arranged to provide a path outside of the flexible sleeve that passes an externally-supplied gas to the body cavity.
  7. 7. An apparatus, according to
    claim 6
    , wherein the extended portion includes a portion of the gas supply channel.
  8. 8. An apparatus, according to
    claim 1
    , further including an elongated pin constructed and arranged to lock within the elongated member and to puncture or pierce the body layer.
  9. 9. An apparatus, according to
    claim 8
    , wherein the elongated pin is constructed and arranged along with the elongated member to extend adjustably along the elongated tube.
  10. 10. An apparatus, according to
    claim 8
    , further including a sleeve arranged to receive the elongated member and to adjust the extent to which the elongated pin extends from the elongated tube.
US09797048 1997-12-10 2001-03-01 Laparoscopic tool and method Abandoned US20010029353A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09246228 US6197002B1 (en) 1997-12-10 1999-02-08 Laparoscopic tool and method
US09797048 US20010029353A1 (en) 1999-02-08 2001-03-01 Laparoscopic tool and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09797048 US20010029353A1 (en) 1999-02-08 2001-03-01 Laparoscopic tool and method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09246228 Continuation US6197002B1 (en) 1997-12-10 1999-02-08 Laparoscopic tool and method

Publications (1)

Publication Number Publication Date
US20010029353A1 true true US20010029353A1 (en) 2001-10-11

Family

ID=22929823

Family Applications (2)

Application Number Title Priority Date Filing Date
US09246228 Expired - Lifetime US6197002B1 (en) 1997-12-10 1999-02-08 Laparoscopic tool and method
US09797048 Abandoned US20010029353A1 (en) 1997-12-10 2001-03-01 Laparoscopic tool and method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US09246228 Expired - Lifetime US6197002B1 (en) 1997-12-10 1999-02-08 Laparoscopic tool and method

Country Status (2)

Country Link
US (2) US6197002B1 (en)
WO (1) WO2000045720A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040260246A1 (en) * 2003-06-23 2004-12-23 Boston Scientific Corporation Variable length nephrostomy sheath
US20060038946A1 (en) * 2003-03-31 2006-02-23 Sharp Kabushiki Kaisha Liquid crystal display device and method of manufacturing the same
US20090099605A1 (en) * 2006-02-06 2009-04-16 Stryker Spine Rod contouring apparatus for percutaneous pedicle screw extension
US20100222747A1 (en) * 2003-04-25 2010-09-02 Tyco Healthcare Group Lp Surgical access apparatus
US7909843B2 (en) 2004-06-30 2011-03-22 Thompson Surgical Instruments, Inc. Elongateable surgical port and dilator
US7955355B2 (en) 2003-09-24 2011-06-07 Stryker Spine Methods and devices for improving percutaneous access in minimally invasive surgeries
US8002798B2 (en) 2003-09-24 2011-08-23 Stryker Spine System and method for spinal implant placement
USRE45338E1 (en) 2003-09-24 2015-01-13 Stryker Spine System and method for spinal implant placement
US9408716B1 (en) 2013-12-06 2016-08-09 Stryker European Holdings I, Llc Percutaneous posterior spinal fusion implant construction and method
US9510875B2 (en) 2013-03-14 2016-12-06 Stryker European Holdings I, Llc Systems and methods for percutaneous spinal fusion
US9744050B1 (en) 2013-12-06 2017-08-29 Stryker European Holdings I, Llc Compression and distraction system for percutaneous posterior spinal fusion
US9827020B2 (en) 2013-03-14 2017-11-28 Stryker European Holdings I, Llc Percutaneous spinal cross link system and method
US10034690B2 (en) 2014-12-09 2018-07-31 John A. Heflin Spine alignment system

Families Citing this family (114)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634937A (en) 1995-05-19 1997-06-03 General Surgical Innovations, Inc. Skin seal with inflatable membrane
US6287322B1 (en) * 1995-12-07 2001-09-11 Loma Linda University Medical Center Tissue opening locator and everter and method
US6159179A (en) 1999-03-12 2000-12-12 Simonson; Robert E. Cannula and sizing and insertion method
US8992085B2 (en) * 1999-06-24 2015-03-31 Alan D. Olin Self-supporting storage bag with resealable pour spout
WO2001012086A1 (en) * 1999-08-13 2001-02-22 The Johns Hopkins University Device and method for rapid chest tube insertion
US6592602B1 (en) 1999-10-08 2003-07-15 General Surgical Innovations, Inc. Balloon dissection apparatus
US6447489B1 (en) * 2000-01-18 2002-09-10 Ethicon Endo-Surgey, Inc. Laparoscopic access tool with gas seal
US20010042702A1 (en) * 2000-04-17 2001-11-22 Stuntz Gordon F. Cycle oil conversion process
CA2415072C (en) * 2000-06-30 2011-05-31 Stephen Ritland Polyaxial connection device and method
US7166073B2 (en) * 2000-09-29 2007-01-23 Stephen Ritland Method and device for microsurgical intermuscular spinal surgery
CA2422782C (en) 2000-10-19 2012-02-07 Applied Medical Resources Corporation Surgical access apparatus and method
US6942671B1 (en) * 2000-11-06 2005-09-13 Tyco Healthcare Group Lp Surgical sealing apparatus
WO2002047562A1 (en) 2000-12-12 2002-06-20 Olympus Optical Co., Ltd. Trocar and trocar system
EP1355578A1 (en) * 2001-01-29 2003-10-29 Stephen Ritland Retractor and method for spinal pedicle screw placement
US6929606B2 (en) * 2001-01-29 2005-08-16 Depuy Spine, Inc. Retractor and method for spinal pedicle screw placement
US6969373B2 (en) * 2001-04-13 2005-11-29 Tricardia, Llc Syringe system
DE20110233U1 (en) * 2001-06-20 2001-09-13 Gip Medizintechnik Gmbh Device for the introduction of medical devices into tissues openings
CA2533204A1 (en) 2003-08-06 2005-02-17 Applied Medical Resources Corporation Surgical device with tack-free gel and method of manufacture
EP2422829B1 (en) 2001-08-14 2013-03-06 Applied Medical Resources Corporation Surgical access sealing apparatus
US7344519B2 (en) 2001-08-31 2008-03-18 Conmed Corporation Trocar system
US6989003B2 (en) * 2001-08-31 2006-01-24 Conmed Corporation Obturator and cannula for a trocar adapted for ease of insertion and removal
US6958037B2 (en) 2001-10-20 2005-10-25 Applied Medical Resources Corporation Wound retraction apparatus and method
US7008431B2 (en) * 2001-10-30 2006-03-07 Depuy Spine, Inc. Configured and sized cannula
US6916330B2 (en) * 2001-10-30 2005-07-12 Depuy Spine, Inc. Non cannulated dilators
US7824410B2 (en) * 2001-10-30 2010-11-02 Depuy Spine, Inc. Instruments and methods for minimally invasive spine surgery
US6723088B2 (en) * 2001-12-20 2004-04-20 Board Of Regents, The University Of Texas Laparoscopic porting
US7763047B2 (en) * 2002-02-20 2010-07-27 Stephen Ritland Pedicle screw connector apparatus and method
US20030187431A1 (en) * 2002-03-29 2003-10-02 Simonson Robert E. Apparatus and method for targeting for surgical procedures
US6966910B2 (en) * 2002-04-05 2005-11-22 Stephen Ritland Dynamic fixation device and method of use
US7377897B1 (en) * 2002-05-02 2008-05-27 Kunkel Sanford S Portal device
EP1585427B1 (en) * 2002-05-08 2012-04-11 Stephen Ritland Dynamic fixation device
US7632250B2 (en) 2002-05-10 2009-12-15 Tyco Healthcare Group Lp Introducer seal assembly
EP2363105B1 (en) 2002-06-05 2014-01-08 Applied Medical Resources Corporation Wound retractor
US20040066008A1 (en) * 2002-10-04 2004-04-08 Smith Robert C. Introducer seal assembly
EP2305147A3 (en) 2002-11-08 2011-10-19 Tyco Healthcare Group LP Self-sealing cannula
EP1596738A4 (en) 2003-02-25 2010-01-20 Stephen Ritland Adjustable rod and connector device and method of use
US20050020884A1 (en) 2003-02-25 2005-01-27 Hart Charles C. Surgical access system
US8262571B2 (en) * 2003-05-22 2012-09-11 Stephen Ritland Intermuscular guide for retractor insertion and method of use
US7163510B2 (en) 2003-09-17 2007-01-16 Applied Medical Resources Corporation Surgical instrument access device
US20050096507A1 (en) * 2003-10-30 2005-05-05 Prosek Michael U. Adjustable length cannula
US7160245B2 (en) * 2003-11-17 2007-01-09 Virginijus Burneikis Method and device for umbilicus protection during abdominal surgery
EP1706041B1 (en) * 2003-12-18 2015-11-18 DePuy Spine, Inc. Surgical retractor systems, illuminated cannulas, and methods of use
US9661989B2 (en) * 2004-05-28 2017-05-30 U.S. Endoscopy Group, Inc. Overtube assembly
US7455639B2 (en) * 2004-09-20 2008-11-25 Stephen Ritland Opposing parallel bladed retractor and method of use
US7608082B2 (en) * 2005-01-06 2009-10-27 Tyco Healthcare Group Lp Surgical seal for use in a surgical access apparatus
US20060224044A1 (en) * 2005-03-31 2006-10-05 Depuy Spine, Inc. Surgical retractors and methods of use
EP1934032B1 (en) 2005-10-14 2009-12-02 Applied Medical Resources Corporation Method of making a hand access laparoscopic device
EP1957085A2 (en) * 2005-11-08 2008-08-20 Ranbaxy Laboratories, Ltd. Macrolides as anti-inflammatory agents
US7981031B2 (en) * 2006-01-04 2011-07-19 Depuy Spine, Inc. Surgical access devices and methods of minimally invasive surgery
US7758501B2 (en) 2006-01-04 2010-07-20 Depuy Spine, Inc. Surgical reactors and methods of minimally invasive surgery
US7918792B2 (en) 2006-01-04 2011-04-05 Depuy Spine, Inc. Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery
US7955257B2 (en) 2006-01-05 2011-06-07 Depuy Spine, Inc. Non-rigid surgical retractor
US7766937B2 (en) 2006-03-13 2010-08-03 Mini-Lap Technologies, Inc. Minimally invasive surgical assembly and methods
US20070282170A1 (en) * 2006-05-30 2007-12-06 Sundaram Ravikumar Rake Retractor and Needle Assembly for Minimally Invasive Surgical Applications
US8133255B2 (en) * 2006-03-13 2012-03-13 Mini-Lap Technologies, Inc. Minimally invasive surgical assembly and methods
US8313507B2 (en) * 2006-03-13 2012-11-20 Mini-Lap Technologies, Inc. Minimally invasive rake retractor and method for using same
US8932275B2 (en) * 2006-07-07 2015-01-13 Covidien Lp Surgical seal assembly
US7959564B2 (en) 2006-07-08 2011-06-14 Stephen Ritland Pedicle seeker and retractor, and methods of use
US20080215078A1 (en) * 2007-01-31 2008-09-04 Bennett Michael D Surgical blade and trocar system
EP2146644A4 (en) 2007-05-11 2012-07-18 Applied Med Resources Surgical retractor
EP2146643A4 (en) 2007-05-11 2012-05-30 Applied Med Resources Surgical retractor with gel pad
US7918827B2 (en) * 2007-09-25 2011-04-05 Tyco Healthcare Group Lp Seal assembly for surgical access device
USD738500S1 (en) 2008-10-02 2015-09-08 Covidien Lp Seal anchor for use in surgical procedures
KR101511497B1 (en) 2007-10-05 2015-04-13 코비디엔 엘피 Seal anchor for use in surgical procedures
US20090105635A1 (en) * 2007-10-17 2009-04-23 Tyco Healthcare Group Lp Access assembly with seal lubricant mechanism
US7828775B2 (en) * 2008-04-11 2010-11-09 Tyco Healthcare Group Lp Telescoping cannula
US9028448B2 (en) * 2008-06-19 2015-05-12 Covidien Lp Access seal with interstitial channels
US8025640B2 (en) * 2008-06-27 2011-09-27 Tyco Healthcare Group Lp Pressurized surgical valve
US20100081927A1 (en) * 2008-09-29 2010-04-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Histological facilitation systems and methods
US20100081916A1 (en) * 2008-09-29 2010-04-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware. Histological facilitation systems and methods
US20100081928A1 (en) * 2008-09-29 2010-04-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Histological Facilitation systems and methods
US20100081924A1 (en) * 2008-09-29 2010-04-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Histological facilitation systems and methods
US20100081926A1 (en) * 2008-09-29 2010-04-01 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Histological facilitation systems and methods
US20100081915A1 (en) * 2008-09-29 2010-04-01 Searete Llc, Alimited Liability Corporation Of The State Of Delaware Histological facilitation systems and methods
US8262568B2 (en) 2008-10-13 2012-09-11 Applied Medical Resources Corporation Single port access system
CA2745202A1 (en) * 2008-12-04 2010-06-10 Pivot Medical, Inc. Method and apparatus for accessing the interior of a hip joint, including the provision and use of a novel telescoping access cannula and novel telescoping obturator
US8409085B2 (en) 2009-02-25 2013-04-02 Joint Product Solutions, Llc Surgical retention port and method of use
US8821392B2 (en) 2009-02-25 2014-09-02 Joint Product Solutions, Llc Surgical retention port and method of use
US8323184B2 (en) * 2009-03-31 2012-12-04 Covidien Lp Surgical access port and associated introducer mechanism
US8317690B2 (en) 2009-03-31 2012-11-27 Covidien Lp Foam port and introducer assembly
US20110021877A1 (en) * 2009-07-24 2011-01-27 Tyco Healthcare Group Lp Surgical port and frangible introducer assembly
US8968190B2 (en) * 2009-08-25 2015-03-03 Covidien Lp Single incision surgical portal apparatus including inner member
US8932212B2 (en) 2009-10-01 2015-01-13 Covidien Lp Seal anchor with non-parallel lumens
US8932249B2 (en) 2009-10-08 2015-01-13 Ethicon Endo-Surgery, Inc. Trocar assembly
US20110087159A1 (en) * 2009-10-08 2011-04-14 Parihar Shailendra K Trocar Assembly
US8491533B2 (en) * 2009-10-08 2013-07-23 Ethicon Endo-Surgery, Inc. Trocar assembly
US8480683B2 (en) * 2009-11-24 2013-07-09 Covidien Lp Foam introduction system including modified port geometry
US8740904B2 (en) * 2009-11-24 2014-06-03 Covidien Lp Seal anchor introducer including biasing member
US9326757B2 (en) * 2009-12-31 2016-05-03 Teleflex Medical Incorporated Surgical instruments for laparoscopic aspiration and retraction
US20110166423A1 (en) * 2010-01-07 2011-07-07 Tyco Healthcare Group Lp Foam port introduction system including dilator
US8721539B2 (en) 2010-01-20 2014-05-13 EON Surgical Ltd. Rapid laparoscopy exchange system and method of use thereof
US7879009B1 (en) * 2010-01-29 2011-02-01 Warsaw Orthopedic, Inc. Variable opening delivery system for intervertebral disc therapies
US20140005474A1 (en) * 2010-09-19 2014-01-02 EON Surgical Ltd. Micro laparoscopy devices and deployments thereof
US9289115B2 (en) 2010-10-01 2016-03-22 Applied Medical Resources Corporation Natural orifice surgery system
WO2012044959A1 (en) 2010-10-01 2012-04-05 Applied Medical Resources Corporation Natural orifice surgery system
US8753267B2 (en) 2011-01-24 2014-06-17 Covidien Lp Access assembly insertion device
WO2012142482A1 (en) * 2011-04-13 2012-10-18 Curax, Llc Multi-function cannulated surgical device
US8496632B2 (en) * 2011-08-25 2013-07-30 Ethicon Endo-Surgery, Inc. Surgical access device with adjustable cannula
US8439881B2 (en) * 2011-08-25 2013-05-14 Ethicon Endo-Surgery, Inc. Surgical access device with adjustable cannula
US8486045B2 (en) * 2011-08-25 2013-07-16 Ethicon Endo-Surgery, Inc. Surgical access device with adjustable cannula
US8496633B2 (en) * 2011-08-25 2013-07-30 Ethicon Endo-Surgery, Inc. Surgical access device with adjustable cannula
US8491545B2 (en) * 2011-08-25 2013-07-23 Ethicon Endo-Surgery, Inc. Surgical access device with adjustable cannula
WO2013043256A1 (en) * 2011-09-23 2013-03-28 Coopersurgical, Inc. Endoscopic ports and related kits
US9149272B2 (en) 2011-12-27 2015-10-06 Coopersurgical, Inc. Suture passer guides and related kits and methods
US9271639B2 (en) 2012-02-29 2016-03-01 Covidien Lp Surgical introducer and access port assembly
WO2013172916A1 (en) 2012-05-18 2013-11-21 Coopersurgical, Inc. Suture passer guides and related kits and methods
EP3071131A4 (en) * 2014-07-15 2016-12-21 Teleflex Medical Inc Exchanger surgical access port assembly and methods of use
US9808245B2 (en) 2013-12-13 2017-11-07 Covidien Lp Coupling assembly for interconnecting an adapter assembly and a surgical device, and surgical systems thereof
US9968373B1 (en) 2014-02-21 2018-05-15 Surgentec, Llc Handles for needle assemblies
US9987095B2 (en) 2014-06-26 2018-06-05 Covidien Lp Adapter assemblies for interconnecting electromechanical handle assemblies and surgical loading units
US10064649B2 (en) 2014-07-07 2018-09-04 Covidien Lp Pleated seal for surgical hand or instrument access
US9707011B2 (en) 2014-11-12 2017-07-18 Covidien Lp Attachments for use with a surgical access device
WO2016085930A3 (en) 2014-11-25 2016-08-04 Applied Medical Resources Corporation Circumferential wound retraction with support and guidance structures
US9681889B1 (en) * 2015-06-09 2017-06-20 Surgentec, Llc Depth controlled needle assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705501A (en) * 1982-04-12 1987-11-10 Regents Of The University Of Minnesota Bi-directional, anti-reflux vascular access system
US5807311A (en) * 1996-11-29 1998-09-15 Palestrant; Aubrey M. Dialysis catheter having rigid and collapsible lumens and related method
US6004303A (en) * 1997-12-10 1999-12-21 Phillips Plastics Corporation Choker catheter

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760933A (en) 1985-10-07 1988-08-02 Christner Susan A Fuel tank tube vapor/fuel seal
US4828554A (en) 1987-11-25 1989-05-09 Griffin Raymond E One-way valve for leg urinals or the like
US5127626A (en) 1989-10-31 1992-07-07 Applied Vascular Devices, Inc. Apparatus for sealing around members extending therethrough
US5389080A (en) 1990-07-26 1995-02-14 Yoon; Inbae Endoscopic portal for use in endoscopic procedures and methods therefor
US5158533A (en) 1991-03-26 1992-10-27 Gish Biomedical, Inc. Combined cardiotomy/venous/pleural drainage autotransfusion unit with filter and integral manometer and water seal
US5580344A (en) 1992-10-22 1996-12-03 Hasson; Harrith M. Incision converter & method of using the same
US5364372A (en) 1993-03-29 1994-11-15 Endoscopic Concepts, Inc. Trocar and cannula
US5330437A (en) 1993-11-12 1994-07-19 Ethicon Endo-Surgery Self sealing flexible elastomeric valve and trocar assembly for incorporating same
US5380292A (en) 1993-12-22 1995-01-10 Wilson-Cook Medical, Inc. Gastrointestinal needle mechanism
US5538509A (en) 1994-01-31 1996-07-23 Richard-Allan Medical Industries, Inc. Trocar assembly
US5545150A (en) 1994-05-06 1996-08-13 Endoscopic Concepts, Inc. Trocar
US5634911A (en) 1995-05-19 1997-06-03 General Surgical Innovations, Inc. Screw-type skin seal with inflatable membrane
US5634937A (en) 1995-05-19 1997-06-03 General Surgical Innovations, Inc. Skin seal with inflatable membrane
US5720730A (en) 1995-09-01 1998-02-24 Blake, Iii; Joseph W. Lubricated trocar valve
US5662615A (en) * 1995-09-01 1997-09-02 Blake, Iii; Joseph W. Valve and valve cartridge for trocar
US5957888A (en) * 1995-10-10 1999-09-28 United States Surgical Corporation Surgical cannula having a variable length
US5746720A (en) 1995-10-18 1998-05-05 Stouder, Jr.; Albert E. Method and apparatus for insertion of a cannula and trocar
US5882344A (en) * 1995-10-18 1999-03-16 Stouder, Jr.; Albert E. Adjustable length cannula and trocar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705501A (en) * 1982-04-12 1987-11-10 Regents Of The University Of Minnesota Bi-directional, anti-reflux vascular access system
US5807311A (en) * 1996-11-29 1998-09-15 Palestrant; Aubrey M. Dialysis catheter having rigid and collapsible lumens and related method
US6004303A (en) * 1997-12-10 1999-12-21 Phillips Plastics Corporation Choker catheter

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060038946A1 (en) * 2003-03-31 2006-02-23 Sharp Kabushiki Kaisha Liquid crystal display device and method of manufacturing the same
US8070731B2 (en) 2003-04-25 2011-12-06 Tyco Healthcare Group Lp Surgical access apparatus
US8622971B2 (en) 2003-04-25 2014-01-07 Covidien Lp Surgical access apparatus
US20100222747A1 (en) * 2003-04-25 2010-09-02 Tyco Healthcare Group Lp Surgical access apparatus
WO2005000132A1 (en) * 2003-06-23 2005-01-06 Scimed Life Systems, Inc. Variable length nephrostomy sheath
US8579804B2 (en) * 2003-06-23 2013-11-12 Boston Scientific Scimed, Inc. Variable length nephrostomy sheath
US20040260246A1 (en) * 2003-06-23 2004-12-23 Boston Scientific Corporation Variable length nephrostomy sheath
US8002798B2 (en) 2003-09-24 2011-08-23 Stryker Spine System and method for spinal implant placement
US20110238120A1 (en) * 2003-09-24 2011-09-29 Stryker Spine Methods and devices for improving percutaneous access in minimally invasive surgeries
US7955355B2 (en) 2003-09-24 2011-06-07 Stryker Spine Methods and devices for improving percutaneous access in minimally invasive surgeries
USRE46432E1 (en) 2003-09-24 2017-06-13 Stryker European Holdings I, Llc System and method for spinal implant placement
US9700357B2 (en) 2003-09-24 2017-07-11 Stryker European Holdings I, Llc Methods and devices for improving percutaneous access in minimally invasive surgeries
US8685063B2 (en) 2003-09-24 2014-04-01 Stryker Spine Methods and devices for improving percutaneous access in minimally invasive surgeries
USRE45676E1 (en) 2003-09-24 2015-09-29 Stryker Spine System and method for spinal implant placement
USRE45338E1 (en) 2003-09-24 2015-01-13 Stryker Spine System and method for spinal implant placement
US7909843B2 (en) 2004-06-30 2011-03-22 Thompson Surgical Instruments, Inc. Elongateable surgical port and dilator
US9655685B2 (en) 2006-02-06 2017-05-23 Stryker European Holdings I, Llc Rod contouring apparatus for percutaneous pedicle screw extension
US9119684B2 (en) 2006-02-06 2015-09-01 Stryker Spine Rod contouring method for percutaneous pedicle screw extension
US8894655B2 (en) 2006-02-06 2014-11-25 Stryker Spine Rod contouring apparatus and method for percutaneous pedicle screw extension
US9247977B2 (en) 2006-02-06 2016-02-02 Stryker European Holdings I, Llc Rod contouring apparatus for percutaneous pedicle screw extension
US20090099605A1 (en) * 2006-02-06 2009-04-16 Stryker Spine Rod contouring apparatus for percutaneous pedicle screw extension
US8979851B2 (en) 2006-02-06 2015-03-17 Stryker Spine Rod contouring apparatus for percutaneous pedicle screw extension
US10070936B2 (en) 2006-02-06 2018-09-11 Stryker European Holdings I, Llc Rod contouring apparatus for percutaneous pedicle screw extension
US9510875B2 (en) 2013-03-14 2016-12-06 Stryker European Holdings I, Llc Systems and methods for percutaneous spinal fusion
US9827020B2 (en) 2013-03-14 2017-11-28 Stryker European Holdings I, Llc Percutaneous spinal cross link system and method
US9408716B1 (en) 2013-12-06 2016-08-09 Stryker European Holdings I, Llc Percutaneous posterior spinal fusion implant construction and method
US9744050B1 (en) 2013-12-06 2017-08-29 Stryker European Holdings I, Llc Compression and distraction system for percutaneous posterior spinal fusion
US10034690B2 (en) 2014-12-09 2018-07-31 John A. Heflin Spine alignment system

Also Published As

Publication number Publication date Type
US6197002B1 (en) 2001-03-06 grant
WO2000045720A1 (en) 2000-08-10 application

Similar Documents

Publication Publication Date Title
US5814026A (en) Endoscopic portal having a universal seal and methods for introducing instruments therethrough
US5397335A (en) Trocar assembly with improved adapter seals
US5002557A (en) Laparoscopic cannula
US5330501A (en) Tissue gripping device for use with a cannula and a cannula incorporating the device
US6197041B1 (en) Trocar
US5857999A (en) Small diameter introducer for laparoscopic instruments
US5114407A (en) Safety mechanism for trocar
US6494893B2 (en) Trocar system having expandable port
US6811546B1 (en) Endoscopic surgical access port and method
US5403328A (en) Surgical apparatus and method for suturing body tissue
US5441486A (en) Endoscopic portal for use in endoscopic procedures and methods therefor
US5827228A (en) Seal members for surgical trocars
US7449011B2 (en) Apparatus and method for providing percutaneous access and medicament to a target surgical site
US20050004592A1 (en) Balloon dissector with balloon tip cannula
US5312363A (en) Low friction slit valve
US5895377A (en) Valve system for cannula assembly
US5830232A (en) Device for closing an opening in tissue and method of closing a tissue opening using the device
US5871471A (en) Disposable value assembly for reusable surgical trocar
US5401248A (en) Seal for trocar assembly
US5269772A (en) Laparoscopic cannula assembly and associated method
US6210397B1 (en) Sealing cannula device
US5496289A (en) Surgical cannula system
US20100261970A1 (en) Retractor with flexible sleeve
US7824419B2 (en) Laparoscopic trocar and facial closure systems and methods
US5290249A (en) Surgical access sheath