Laparoscopic instrument and trocar system and related surgical method

• US 8,747,302 B2
• Filed: 04/15/2013
• Issued: 06/10/2014
• Est. Priority Date: 09/23/2003
• Status: Expired due to Term

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Piskun, Gregory
• Primary Examiner(s): KASZTEJNA, MATTHEW JOHN
• Application Number:
  US13/862,832
• Publication Number:
  US 20130289576A1
• Time in Patent Office: 421 Days
• Field of Search: 600114-115, 600204-208, 60416401-16413, 604/264
• US Class Current: 600/114
• CPC Class Codes: A61B 1/05 characterised by the image sensor, e.g. camera, being in the distal end portion
• CPC Class Codes: A61B 1/3132 for laparoscopy
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0218 for minimally invasive surgery A61B17/0281, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/282 Jaws
• CPC Class Codes: A61B 17/2841 Handles
• CPC Class Codes: A61B 17/3423 Access ports, e.g. toroid shape introducers for instruments or hands access sites for liquids A61M39/0247
• CPC Class Codes: A61B 2017/00738 part of the tool being offset with respect to a main axis, e.g. for better view for the surgeon
• CPC Class Codes: A61B 2017/2908 Multiple segments connected by articulations
• CPC Class Codes: A61B 2017/3447 Linked multiple cannulas
• CPC Class Codes: A61B 2017/3466 for simultaneous sealing of multiple instruments
• CPC Class Codes: A61B 2017/3486 Balloon

Abstract

Laparoscopic instruments and cannulas are provided for performing laparoscopic procedures entirely through the umbilicus. Generally S-shaped laparoscopic instruments placed through the C-shaped trocar sleeves or through the cannula and instrument holder unit provide markedly improved degrees of instruments'"'"' freedom during trans-umbilical laparoscopic procedures.

Claims

1. An instrument holder assembly comprising:

an annular body member; and

a plurality of flexible tapered funnel-shaped port elements, each for receiving a surgical instrument or a portion thereof inserted therein, each defining a plurality of cross-sectional diameters and each of the plurality of tapered funnel-shaped port elements connected to the annular body member and extending proximally in a common direction therefrom, the taper of each of the tapered funnel-shaped port elements decreasing the plurality of cross-sectional diameters in the proximal direction, the plurality of tapered funnel-shaped port elements each defining a pre-instrument insertion configuration and a longitudinal axis when in the pre-instrument insertion configuration,

the annular body member being flexible and defining a central longitudinal axis extending between a proximal end and a distal end thereof, the distal end configured for insertion within an opening of a patient,

wherein, when the plurality of tapered funnel-shaped port elements are in the pre-instrument insertion configuration, the longitudinal axes defined by the plurality of tapered funnel-shaped port elements are generally parallel to the central longitudinal axis of the annular body member, and

wherein the annular body member defines at least a portion of a surgical workspace at a portion of the annular body member that is distal to the plurality of tapered funnel-shaped port elements.

2. The instrument holder assembly as defined in claim 1, wherein the annular body member has a flared profile relative to the central longitudinal axis thereof.

3. The instrument holder assembly as defined in claim 1, wherein the annular body member defines a proximal aperture and a first perimeter and wherein the plurality of tapered funnel-shaped port elements each defines a distal aperture and a second perimeter, and

wherein at least a portion of the second perimeter is connected to the first perimeter of the proximal aperture of the annular body member.

4. The instrument holder assembly as defined in claim 3, wherein a remaining portion of the second perimeter of at least two of the plurality of tapered funnel-shaped port elements are connected to each other wherein the distal apertures defined by the at least two tapered funnel-shaped port elements span the entire proximal aperture defined by the annular body member.

5. The instrument holder assembly as defined in claim 1, wherein the instrument holder assembly has an insertion configuration for insertion of the instrument holder assembly through an opening in a patient for at least partial insertion of the instrument holder assembly into a patient cavity, and an in use configuration for use of the instrument holder assembly for access to the patient cavity, and wherein, for the insertion configuration, the annular body member is folded into a compact configuration wherein the annular body member has a compressible cross-sectional dimension, the compressible cross-sectional dimension along the longitudinal axis of the annular body member being less than a dimension of the opening in a patient where the annular body member extends at least partially through the opening in a patient.

6. The instrument holder assembly as defined in claim 5, wherein, for the insertion configuration, the plurality of tapered funnel-shaped port elements are folded into a compact configuration to enable the annular body member to extend at least partially through the opening in a patient.

7. The instrument holder assembly as defined in claim 1, wherein the plurality of tapered funnel-shaped port elements and the at annular body member each have a height dimension extending parallel to respective longitudinal axes thereof and configured in a ratio to increase, at the distal end of the instrument holder assembly, the surgical workspace between two or more laparoscopic instruments inserted through the plurality of tapered funnel-shaped port elements and between the hands of a surgeon.

8. The instrument holder assembly as defined in claim 1, wherein the annular body member is at least partially curved in a direction parallel to its central longitudinal axis.