US20170112530A1 - Foam introduction system including modified port geometry - Google Patents
Foam introduction system including modified port geometry Download PDFInfo
- Publication number
- US20170112530A1 US20170112530A1 US15/396,869 US201715396869A US2017112530A1 US 20170112530 A1 US20170112530 A1 US 20170112530A1 US 201715396869 A US201715396869 A US 201715396869A US 2017112530 A1 US2017112530 A1 US 2017112530A1
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- United States
- Prior art keywords
- anchor member
- seal anchor
- positioning members
- positioning
- surgical apparatus
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- 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
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Classifications
-
- 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
- A61B17/3421—Cannulas
- A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; 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, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
- A61B2017/0225—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery flexible, e.g. fabrics, meshes, or membranes
-
- 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
- A61B17/3421—Cannulas
- A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
- A61B2017/3429—Access ports, e.g. toroid shape introducers for instruments or hands having a unitary compressible body, e.g. made of silicone or foam
-
- 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
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
- A61B2017/3441—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable with distal sealing means
-
- 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
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- 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
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
- A61B2017/3447—Linked multiple cannulas
-
- 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
-
- 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
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside 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
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
- A61B2017/3484—Anchoring means, e.g. spreading-out umbrella-like structure
- A61B2017/3488—Fixation to inner organ or inner body tissue
Definitions
- the present disclosure relates generally to a seal for use in a surgical procedure. More particularly, the present disclosure relates to a seal anchor member adapted for insertion into an incision, or a naturally occurring bodily orifice, in tissue, and, for the sealed reception of one or more surgical objects such that a substantially fluid-tight seal is formed with both the tissue and the surgical object or objects.
- a minimally invasive surgical procedure is one in which a surgeon enters a patient's body through a small opening in the skin or through a naturally occurring opening (e.g., mouth, anus, or vagina).
- a surgeon enters a patient's body through a small opening in the skin or through a naturally occurring opening (e.g., mouth, anus, or vagina).
- Such procedures have several advantages over traditional open surgeries.
- minimally invasive surgical procedures result in reduced trauma and recovery time for patients.
- endoscopic unless performed on the patient's abdomen, in which case the procedure is referred to as “laparoscopic”.
- the term “minimally invasive” should be understood to encompass both endoscopic and laparoscopic procedures.
- surgical objects such as surgical access devices (e.g., trocar and cannula assemblies) or endoscopes
- surgical access devices e.g., trocar and cannula assemblies
- endoscopes e.g., endoscopes
- insufflation gases are used to enlarge the area surrounding the target surgical site to create a larger, more accessible work area. Accordingly, the maintenance of a substantially fluid-tight seal is desirable so as to prevent the escape of the insufflation gases and the deflation or collapse of the enlarged surgical site.
- the surgical apparatus includes a seal anchor member including a leading portion, a trailing portion, and an intermediate portion disposed between the leading and trailing portions.
- One or more lumens longitudinally extend between the leading and trailing portions. The one or more lumens are configured and adapted to receive instrumentation therein in a substantially sealed relation.
- the leading portion of the seal anchor member is transitionable between a first configuration and a second configuration.
- the leading portion may define a radial dimension, diameter or a width that corresponds to each of the first and second configurations.
- the leading portion includes a plurality of positioning members defining at least one gap between adjacent positioning members to facilitate compression of the leading portion in a transverse direction. The at least one gap facilitates transitioning the leading portion to the second configuration in which the leading portion has a substantially flat profile, thereby facilitating insertion of the seal anchor member within the tissue tract.
- the leading portion of the seal anchor member may include one or more positioning segments that are radially coupled to the intermediate portion of the seal anchor member, e.g., the one or more positioning members are operably connected to the intermediate portion.
- the one or more positioning members are inwardly directed to minimize the size of the leading portion of the seal anchor member.
- the one or more positioning members may outwardly deploy, thereby increasing the size of the leading portion of the seal anchor member and facilitating stabilization and/or anchoring of the seal anchor member within the tissue tract.
- the one or more positioning members may be inwardly biased, and may outwardly deflect in response to insertion of instrumentation through the lumens of the seal anchor member.
- a seal anchor member may include a leading portion, a trailing portion, and an intermediate portion disposed therebetween.
- a first positioning member may be associated with the trailing portion, and a second positioning member may be associated with the leading portion.
- the second positioning member may have a non-circular, e.g., an oblong, shape or configuration. The non-circular shape of the second positioning member facilitates insertion by guiding the seal anchor member to a proper position within the tissue tract. Once positioned within the tissue tract, the non-circular shape of the second positioning member also facilitates anchoring and/or securing of the seal anchor member within the tissue tract.
- the seal anchor member may also include one or more longitudinally extending lumens between the leading and trailing portions of the seal anchor member.
- FIG. 1 is a perspective view of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition positioned relative to tissue;
- FIG. 2 is a bottom view of the seal anchor member of FIG. 1 ;
- FIG. 3 is a bottom view of the seal anchor member of FIG. 1 shown in a second condition
- FIG. 3A is a bottom view of a seal anchor member having a single annular positioning member
- FIG. 4 is a perspective view of another embodiment of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition;
- FIG. 5 is a perspective view of the seal anchor member of FIG. 4 shown partially inserted within tissue;
- FIG. 6A is a perspective view of yet another embodiment of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition;
- FIG. 6B is a perspective view of the seal anchor member of FIG. 6A shown in a second condition
- FIG. 7A is perspective view of the seal anchor member of FIG. 6A , shown placed within a wound within a tissue, while in the first condition;
- FIG. 7B is a perspective view of the seal anchor member of FIG. 6A , shown placed within a wound within a tissue, while in the second condition.
- FIG. 8 is a top perspective view of yet another embodiment of a seal anchor member in accordance with the present disclosure.
- FIG. 9 is a bottom perspective view of the seal anchor member of FIG. 8 ;
- FIG. 10 is a top view of the seal anchor member of FIG. 8 ;
- FIG. 11 is a side view of the seal anchor member of FIG. 8 ;
- FIG. 12 is a top, partially cut-away view of the seal anchor member of FIG. 8 ;
- FIG. 13 is a side cross-sectional view of the seal anchor member of FIG. 8 taken along section-line 13 as shown in FIG. 12 ;
- FIG. 14 is a perspective view of the seal anchor member of FIG. 8 shown placed within an incision in a first condition
- FIG. 15 is a side cross-sectional view, taken along section-line 15 - 15 , of the seal anchor member of FIG. 8 as shown in FIG. 14 ;
- FIG. 16 is a side cross-sectional view of the seal anchor member of FIG. 8 as shown in FIG. 15 in a second condition.
- proximal will refer to the end of the apparatus that is closest to the clinician during use, while the term “distal” will refer to the end that is farthest from the clinician, as is traditional and known in the art.
- Seal anchor member 100 includes a body 112 defining a longitudinal axis “A” and having respective trailing (proximal) and leading (distal) ends 102 , 104 , and an intermediate section 106 disposed between the trailing and leading portions 102 , 104 .
- Seal anchor member 100 includes one or more ports 108 a, 108 b, 108 c that extend generally longitudinally between trailing and leading portions 102 , 104 , respectively, and through seal anchor member 100 .
- Positioning members 116 and 114 a - d may be composed of any suitable material that is at least semi-resilient to facilitate resilient deformation of the positioning members 116 , 114 a - d .
- the positioning members 116 , 114 a - d may exhibit any suitable configuration and may be, for example, substantially annular-shaped or oval-shaped arrangement. As shown in FIG. 2 , a diameter of the leading portion 104 , when in its initial, expanded, condition, has dimension “De”.
- positioning members 114 a, 114 b, 114 c, 114 d that are separated by surfaces 115 a, 115 b, 115 c, 115 d that define gaps among positioning members 114 a, 114 b, 114 c, 114 d. While four positioning members 114 a - d are depicted in FIGS. 1-3 , a greater or lesser number of positioning members, configured to define gaps therebetween, may be utilized to achieve a desired configuration of the seal anchor member 100 when compressed.
- positioning members 114 a - d are brought in closer proximity to one another to facilitate placement of the seal anchor member 100 within the tissue tract.
- the separation between the positioning members 114 a - d facilitates transition of the distal end 104 between a substantially annular profile ( FIG. 2 ) to a substantially rectangular profile ( FIG. 3 ).
- the gaps between the positioning members 114 a - d help facilitate the transition of leading portion 104 to a substantially flatter profile, such that distal end 104 has a dimension “Dc”, as shown in FIG. 3 , upon application of a force “F” than may have been achievable in the absence of such gaps.
- the distal end 104 included only a single annular positioning member, compression of the distal end 104 would result in a non-uniform contour ( FIG. 3A ) of the seal anchor member 100 , e.g., the seal anchor member 100 would be compressed more greatly, e.g., would be flatter, at the point of the application of the force and less greatly farther away from that point.
- Positioning members 114 a - d , 116 may engage walls defining the body cavity to further facilitate securement of seal anchor member 100 within the body tissue “T”.
- positioning members 114 a - d at leading portion 104 may engage the internal peritoneal wall and positioning member 116 adjacent trailing portion 102 may engage the outer epidermal tissue adjacent the incision 12 within tissue “T”.
- seal anchor member 100 during the course of a typical minimally invasive procedure will now be discussed.
- an incision is made through the tissue.
- Such an incision is typically made with a scalpel or the like, resulting in a generally slit-shaped opening.
- a body cavity e.g., the peritoneal cavity
- a suitable biocompatible gas such as, e.g., carbon dioxide
- Insufflation of the body cavity may be performed with an insufflation needle or similar device, as is conventional in the art.
- the seal anchor member 100 is in an expanded state at rest, as shown in FIG. 2 . Insertion of the seal anchor member 100 within the tissue tract 12 is achievable by compressing the leading portion 104 of the seal anchor member 100 . Positioning member 114 is adapted and configured to become substantially flat (when viewed from below) upon the application of a force “F” as seen in FIG. 3 . Compression of the seal anchor member 100 facilitates insertion of the seal anchor member 100 into the tissue tract 12 . Subsequent to the insertion of the seal anchor member 100 , leading portion 104 , positioning members 114 a - d and at least a section 112 of intermediate portion 106 are disposed beneath tissue “T”. Seal anchor member 100 is caused to transition from the compressed state as shown in FIG.
- the respective radial dimensions D 1 , D 2 of the trailing and leading portions 102 , 104 are substantially larger than the radial dimension R of the intermediate portion 106 thereby giving seal anchor member 100 an “hour-glass” configuration.
- the radial dimension D 2 of distal end 104 increases to provide an interference fit with the tissue tract 12 . Consequently, seal anchor member 100 resists removal from tissue tract 12 when in the expanded condition and thus, seal anchor member 100 will remain anchored within the tissue “T” until it is returned to its compressed condition and is pulled out of the tissue tract 12 .
- each of the positioning members 114 a - d at the distal end 104 of the seal anchor member 100 may include a lumen 118 a, 118 b, 118 c, 118 d , respectively.
- Lumens 118 a - d are configured and adapted to receive a drawstring 117 therein.
- Seal anchor member 100 may further include a longitudinally extending lumen 119 adapted for reception of the drawstring 117 .
- the surgeon may move the drawstring 117 through lumen 119 by pulling the drawstring 117 in a proximal direction thereby reducing the length of the drawstring 117 positioned within lumens 118 a - d .
- Moving the drawstring 117 through lumen 119 forces the positioning members 114 a - d to move toward one another thereby reducing the gaps defined among the positioning members 114 a - d.
- the surgeon places the seal anchor member 100 relative to the tissue tract 12 of the tissue “T”, as shown in FIG. 1 .
- the size of the distal end (leading end) 104 is reduced by proximally pulling the drawstring 117 .
- the surgeon inserts the distal end 104 into the tissue tract 12 .
- the seal anchor member 100 may taper from the proximal (trailing) to the distal (lead) portions of the seal anchor member 100 . Both the reduced cross-section of the distal end 104 and the resulting taper of the seal anchor member 100 facilitate the surgeon's insertion of the seal anchor member 100 into the tissue tract 12 .
- the internal bias of the seal anchor member 100 will apply a force to transition the distal end 104 back to its initial dimension “De”. Therefore, during insertion of the seal anchor member, the surgeon may continue to pull drawstring 117 proximally to maintain the compressed dimension “Dc” of the distal end 104 .
- the material of the seal anchor member 100 e.g., a foam, may also facilitate a timed transition back to the initial shape and dimension of the seal anchor member 100 , thereby reducing the need to apply tension to the drawstring 117 during insertion.
- a clip or another locking means may be employed to secure the drawstring 117 in a given position, thereby maintaining a given dimension of the distal end 104 by inhibiting the translation of the drawstring 117 through the lumen 119 .
- the surgeon will permit the drawstring 117 to translate.
- the internal biasing force of the seal anchor member 100 will begin to transition the distal end 104 to the expanded dimension “De”.
- the shape and configuration of the seal anchor member 100 facilitates anchoring of the seal anchor member 100 within the tissue tract 12 .
- the instruments are removed, and the drawstring 117 is once again translated proximally through lumen 119 to reduce the dimension of the distal end 104 toward the compressed dimension “Dc”. Thereafter, the surgeon removes the seal anchor member 100 from the tissue tract 12 .
- the reduced dimension of the distal end 104 facilitates withdrawal of the seal anchor member 100 from within the tissue tract 12 of tissue “T”.
- the tissue tract 12 may then be closed through means known in the art, e.g., stapling or suturing.
- a seal anchor member 200 will now be described with reference to FIGS. 4 and 5 .
- the seal anchor member 200 defines a longitudinal axis “B” and having respective trailing (or proximal) and leading (or distal) ends 202 , 204 and an intermediate portion 206 disposed between the trailing and leading portions 202 , 204 .
- Seal anchor member 200 includes one or more ports 208 a, 208 b , 208 c that extend longitudinally between trailing and leading portions 202 , 204 , respectively, and through seal anchor member 200 .
- Positioning members 213 , 214 are respectively associated with trailing portion 202 and leading portion 204 .
- Positioning member 214 has a non-circular, in this case, oblong shape. In an embodiment as shown in FIG. 4 , the positioning member 214 has an oblong shape. The oblong shape of the positioning member 214 facilitates insertion of the seal anchor member 200 into the tissue tract 12 . Distal end 214 a of positioning member 214 is configured to guide the seal anchor member 200 into the tissue tract 12 .
- placement of the seal anchor member 200 within the tissue tract 12 will now be described with reference to FIG. 5 .
- introduction of the seal anchor member 200 is achieved by placing distal end 214 a within the tissue tract and translating the seal anchor port 200 along directional arrow “D” to place leading portion 204 within tissue tract 12 .
- Surgical instruments may be used to grasp and position the leading portion 204 of the seal anchor member 200 .
- a surgeon may select to grasp and position the leading portion 204 of the seal anchor member 200 with his or her hand.
- the surgeon may place instruments within the lumens 208 a - c.
- the seal anchor member 200 is removed from within the tissue tract 12 .
- the seal anchor member 200 may be removed by translating the seal anchor member along a path opposite that defined by directional arrow “D”.
- the seal anchor member 200 may be formed from a compressible material. Where the seal anchor member 200 is formed from a compressible material, the surgeon may reduce the dimensions of the seal anchor member 200 by squeezing the seal anchor member 200 . The reduction in the dimensions of the seal anchor member 200 may also facilitate the removal of the seal anchor member 200 from within the tissue tract 12 .
- the tissue tract 12 may then be closed through means known in the art, e.g., stapling or suturing.
- the seal anchor member 300 includes a trailing (proximal) end 302 , a leading (distal) end 304 , and an intermediate section 306 disposed between the trailing and leading portions 302 , 304 .
- the seal anchor member 300 includes one or more longitudinally extending lumens 308 a, 308 b . Each of the lumens 308 a - b is configured and adapted to receive a surgical instrument “I” ( FIG. 7B ) therethrough in a substantially sealed relationship.
- the leading portion 304 includes one or more positioning segments 304 a, 304 b .
- the positioning segments 304 a, 304 b are connected to the intermediate section 306 by a living hinge 310 a, 310 b, respectively.
- the seal anchor member 300 is in a first, collapsed position in which positioning segments 304 a, 304 b are inwardly retracted such that the leading portion 304 defines a first diameter D 3 .
- the positioning segments 304 a, 304 b In the second, expanded position, the positioning segments 304 a, 304 b have been deployed in radial outward directions G, H, respectively.
- the leading portion 304 defines a second diameter D 4 that is greater than the first diameter D 3 . Transitioning of the seal anchor member 300 between the first and second positions necessitates application of a force sufficient to radially translate the positioning segments 304 a, 304 b.
- insertion of surgical instruments “I” through the lumen 308 a, 308 b effects deployment of a corresponding positioning segment 304 a , 304 b.
- insertion of surgical instrument “I” through lumen 308 a effects a radial translation of positioning segment 304 a in the direction indicated by arrow G.
- insertion of surgical instrument “I” through lumen 308 b effects a radial translation of positioning segment 304 b in the direction indicated by directional arrow H.
- the seal anchor member 300 With the positioning segments 304 a, 304 b deployed, the seal anchor member 300 is anchored within the wound “W” of the tissue “T”. In particular, while the positioning segments 304 a, 304 b are in the deployed condition, the interaction of the positioning segments 304 a, 304 b with the tissue “T” inhibits the removal of the seal anchor member 300 from the wound “W”.
- the seal anchor member 300 With the positioning segments 304 a, 304 b retracted, the seal anchor member 300 is inserted into the wound “W”. Thereafter, the instruments “I” are inserted into lumens 308 a , 308 b. The insertion of the instruments “I” into lumens 308 a, 308 b effects a corresponding deployment of the positioning segments 304 a, 304 b in the direction indicated by arrows G, H, respectively. Upon completion of the surgical procedure, the seal anchor member 300 is removed from the wound “W” as will now be described. Each of the instruments “I” is removed from the lumen 308 a, 308 b into which it was placed.
- the removal of the instruments “I” effects retraction of the positioning segments 304 a, 304 b since the positioning segments 304 a, 304 b are inwardly biased.
- the retraction of the positioning segments 304 a, 304 b facilitates removal of the seal anchor member 300 by reducing the dimension of the leading portion 304 of the seal anchor member 300 .
- the surgeon proximally translates the seal anchor member out of the wound “W”.
- the wound “W” may then be closed through means known in the art, e.g., stapling or suturing.
Abstract
Description
- This application is a continuation of U.S. patent application Ser. No. 14/310,068 filed Jun. 20, 2014, which is a continuation of U.S. patent application Ser. No. 13/913,552 filed Jun. 10, 2013, now U.S. Pat. No. 8,795,289, which is a divisional of U.S. patent application Ser. No. 12/939,204 filed Nov. 4, 2010, now U.S. Pat. No. 8,480,683, which claims benefit of U.S. Provisional Application No. 61/263,927 filed Nov. 24, 2009, and the disclosures of each of the above-identified applications are hereby incorporated by reference in their entirety.
- Technical Field
- The present disclosure relates generally to a seal for use in a surgical procedure. More particularly, the present disclosure relates to a seal anchor member adapted for insertion into an incision, or a naturally occurring bodily orifice, in tissue, and, for the sealed reception of one or more surgical objects such that a substantially fluid-tight seal is formed with both the tissue and the surgical object or objects.
- Background of Related Art
- A minimally invasive surgical procedure is one in which a surgeon enters a patient's body through a small opening in the skin or through a naturally occurring opening (e.g., mouth, anus, or vagina). Such procedures have several advantages over traditional open surgeries. In particular, as compared to traditional open surgeries, minimally invasive surgical procedures result in reduced trauma and recovery time for patients. Generally, such procedures are referred to as “endoscopic”, unless performed on the patient's abdomen, in which case the procedure is referred to as “laparoscopic”. Throughout the present disclosure, the term “minimally invasive” should be understood to encompass both endoscopic and laparoscopic procedures.
- During a typical minimally invasive procedure, surgical objects, such as surgical access devices (e.g., trocar and cannula assemblies) or endoscopes, are inserted into the patient's body through the incision in tissue. In general, prior to the introduction of the surgical object into the patient's body, insufflation gases are used to enlarge the area surrounding the target surgical site to create a larger, more accessible work area. Accordingly, the maintenance of a substantially fluid-tight seal is desirable so as to prevent the escape of the insufflation gases and the deflation or collapse of the enlarged surgical site.
- To this end, various valves and seals are used during the course of minimally invasive procedures and are widely known in the art. However, a continuing need exists for a seal anchor member that can be inserted directly into the incision in tissue and that can accommodate a variety of surgical objects while maintaining the integrity of an insufflated workspace.
- Disclosed herein is a surgical apparatus for positioning within a tissue tract accessing an underlying body cavity. The surgical apparatus includes a seal anchor member including a leading portion, a trailing portion, and an intermediate portion disposed between the leading and trailing portions. One or more lumens longitudinally extend between the leading and trailing portions. The one or more lumens are configured and adapted to receive instrumentation therein in a substantially sealed relation.
- The leading portion of the seal anchor member is transitionable between a first configuration and a second configuration. The leading portion may define a radial dimension, diameter or a width that corresponds to each of the first and second configurations. In an embodiment, the leading portion includes a plurality of positioning members defining at least one gap between adjacent positioning members to facilitate compression of the leading portion in a transverse direction. The at least one gap facilitates transitioning the leading portion to the second configuration in which the leading portion has a substantially flat profile, thereby facilitating insertion of the seal anchor member within the tissue tract.
- In another embodiment, the leading portion of the seal anchor member may include one or more positioning segments that are radially coupled to the intermediate portion of the seal anchor member, e.g., the one or more positioning members are operably connected to the intermediate portion. To facilitate insertion of the seal anchor member within the tissue member the one or more positioning members are inwardly directed to minimize the size of the leading portion of the seal anchor member. Once inserted into the tissue tract, the one or more positioning members may outwardly deploy, thereby increasing the size of the leading portion of the seal anchor member and facilitating stabilization and/or anchoring of the seal anchor member within the tissue tract. The one or more positioning members may be inwardly biased, and may outwardly deflect in response to insertion of instrumentation through the lumens of the seal anchor member.
- In yet another embodiment, a seal anchor member may include a leading portion, a trailing portion, and an intermediate portion disposed therebetween. A first positioning member may be associated with the trailing portion, and a second positioning member may be associated with the leading portion. The second positioning member may have a non-circular, e.g., an oblong, shape or configuration. The non-circular shape of the second positioning member facilitates insertion by guiding the seal anchor member to a proper position within the tissue tract. Once positioned within the tissue tract, the non-circular shape of the second positioning member also facilitates anchoring and/or securing of the seal anchor member within the tissue tract. The seal anchor member may also include one or more longitudinally extending lumens between the leading and trailing portions of the seal anchor member.
- These and other features of the apparatus disclosed herein will become more readily apparent to those skilled in the art from the following detailed description of various embodiments of the present disclosure.
- Various embodiments of the present disclosure are described hereinbelow with reference to the drawings, wherein:
-
FIG. 1 is a perspective view of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition positioned relative to tissue; -
FIG. 2 is a bottom view of the seal anchor member ofFIG. 1 ; -
FIG. 3 is a bottom view of the seal anchor member ofFIG. 1 shown in a second condition; -
FIG. 3A is a bottom view of a seal anchor member having a single annular positioning member; -
FIG. 4 is a perspective view of another embodiment of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition; -
FIG. 5 is a perspective view of the seal anchor member ofFIG. 4 shown partially inserted within tissue; -
FIG. 6A is a perspective view of yet another embodiment of a seal anchor member in accordance with the principles of the present disclosure shown in a first condition; -
FIG. 6B is a perspective view of the seal anchor member ofFIG. 6A shown in a second condition; -
FIG. 7A is perspective view of the seal anchor member ofFIG. 6A , shown placed within a wound within a tissue, while in the first condition; and -
FIG. 7B is a perspective view of the seal anchor member ofFIG. 6A , shown placed within a wound within a tissue, while in the second condition. -
FIG. 8 is a top perspective view of yet another embodiment of a seal anchor member in accordance with the present disclosure; -
FIG. 9 is a bottom perspective view of the seal anchor member ofFIG. 8 ; -
FIG. 10 is a top view of the seal anchor member ofFIG. 8 ; -
FIG. 11 is a side view of the seal anchor member ofFIG. 8 ; -
FIG. 12 is a top, partially cut-away view of the seal anchor member ofFIG. 8 ; -
FIG. 13 is a side cross-sectional view of the seal anchor member ofFIG. 8 taken along section-line 13 as shown inFIG. 12 ; -
FIG. 14 is a perspective view of the seal anchor member ofFIG. 8 shown placed within an incision in a first condition; -
FIG. 15 is a side cross-sectional view, taken along section-line 15-15, of the seal anchor member ofFIG. 8 as shown inFIG. 14 ; and -
FIG. 16 is a side cross-sectional view of the seal anchor member ofFIG. 8 as shown inFIG. 15 in a second condition. - In the figures and in the description that follows, in which like reference numerals identify similar or identical elements, the term “proximal” will refer to the end of the apparatus that is closest to the clinician during use, while the term “distal” will refer to the end that is farthest from the clinician, as is traditional and known in the art.
- With reference to
FIGS. 1-3 , aseal anchor member 100 will now be described.Seal anchor member 100 includes abody 112 defining a longitudinal axis “A” and having respective trailing (proximal) and leading (distal) ends 102, 104, and anintermediate section 106 disposed between the trailing and leadingportions Seal anchor member 100 includes one ormore ports portions seal anchor member 100. - Associated with trailing and leading
portions members 116 and 114 a-d, respectively. Positioningmembers 116, 114 a-d may be composed of any suitable material that is at least semi-resilient to facilitate resilient deformation of thepositioning members 116, 114 a-d. Thepositioning members 116, 114 a-d may exhibit any suitable configuration and may be, for example, substantially annular-shaped or oval-shaped arrangement. As shown inFIG. 2 , a diameter of the leadingportion 104, when in its initial, expanded, condition, has dimension “De”. - As shown best in
FIG. 2 , associated with the leadingportion 104 are positioningmembers surfaces members FIGS. 1-3 , a greater or lesser number of positioning members, configured to define gaps therebetween, may be utilized to achieve a desired configuration of theseal anchor member 100 when compressed. - For insertion of
seal anchor member 100 within atissue tract 12, positioning members 114 a-d are brought in closer proximity to one another to facilitate placement of theseal anchor member 100 within the tissue tract. The separation between the positioning members 114 a-d facilitates transition of thedistal end 104 between a substantially annular profile (FIG. 2 ) to a substantially rectangular profile (FIG. 3 ). The gaps between the positioning members 114 a-dhelp facilitate the transition of leadingportion 104 to a substantially flatter profile, such thatdistal end 104 has a dimension “Dc”, as shown inFIG. 3 , upon application of a force “F” than may have been achievable in the absence of such gaps. In particular, if thedistal end 104 included only a single annular positioning member, compression of thedistal end 104 would result in a non-uniform contour (FIG. 3A ) of theseal anchor member 100, e.g., theseal anchor member 100 would be compressed more greatly, e.g., would be flatter, at the point of the application of the force and less greatly farther away from that point. - Subsequent to insertion of the
seal anchor member 100 within the tissue tract, the resilient nature of the positioning members 114 a-d, 116 allows the positioning members to expand to approximate thetissue tract 12 whenseal anchor member 100 is inserted. Positioning members 114 a-d, 116 may engage walls defining the body cavity to further facilitate securement ofseal anchor member 100 within the body tissue “T”. For example, positioning members 114 a-d at leadingportion 104 may engage the internal peritoneal wall andpositioning member 116 adjacent trailingportion 102 may engage the outer epidermal tissue adjacent theincision 12 within tissue “T”. - The use and function of
seal anchor member 100 during the course of a typical minimally invasive procedure will now be discussed. Initially, an incision is made through the tissue. Such an incision is typically made with a scalpel or the like, resulting in a generally slit-shaped opening. Next, a body cavity, e.g., the peritoneal cavity, is insufflated with a suitable biocompatible gas such as, e.g., carbon dioxide, such that the cavity wall is raised and lifted away from the internal organs and tissue housed therein, providing greater access thereto. Insufflation of the body cavity may be performed with an insufflation needle or similar device, as is conventional in the art. - The
seal anchor member 100 is in an expanded state at rest, as shown inFIG. 2 . Insertion of theseal anchor member 100 within thetissue tract 12 is achievable by compressing the leadingportion 104 of theseal anchor member 100. Positioning member 114 is adapted and configured to become substantially flat (when viewed from below) upon the application of a force “F” as seen inFIG. 3 . Compression of theseal anchor member 100 facilitates insertion of theseal anchor member 100 into thetissue tract 12. Subsequent to the insertion of theseal anchor member 100, leadingportion 104, positioning members 114 a-d and at least asection 112 ofintermediate portion 106 are disposed beneath tissue “T”.Seal anchor member 100 is caused to transition from the compressed state as shown inFIG. 3 towards the expanded state (FIG. 1 ) by removing force “F” therefrom. Expansion of thesection 112 of theintermediate portion 106 is limited by the tissue surfaces 14 (FIG. 1 ) definingtissue tract 12, thereby subjectingintermediate portion 106 to an external force “F” that is directed inwardly. The internal biasing force ofseal anchor member 100 is outwardly directed and is exerted upon tissue surfaces 14 upon insertion of theseal anchor member 100 withintissue tract 12, thereby facilitating a substantially fluid-tight seal between theseal anchor member 100 and tissue surfaces 14 and substantially preventing the escape of insufflation gas aroundseal anchor member 100 and throughtissue tract 12. - In the expanded condition, the respective radial dimensions D1, D2 of the trailing and leading
portions intermediate portion 106 thereby givingseal anchor member 100 an “hour-glass” configuration. Subsequent to insertion, the radial dimension D2 ofdistal end 104 increases to provide an interference fit with thetissue tract 12. Consequently,seal anchor member 100 resists removal fromtissue tract 12 when in the expanded condition and thus,seal anchor member 100 will remain anchored within the tissue “T” until it is returned to its compressed condition and is pulled out of thetissue tract 12. - Optionally, as shown in
FIGS. 1-2 , each of the positioning members 114 a-d at thedistal end 104 of theseal anchor member 100 may include alumen drawstring 117 therein.Seal anchor member 100 may further include alongitudinally extending lumen 119 adapted for reception of thedrawstring 117. During a procedure, the surgeon may move thedrawstring 117 throughlumen 119 by pulling thedrawstring 117 in a proximal direction thereby reducing the length of thedrawstring 117 positioned within lumens 118 a-d. Moving thedrawstring 117 throughlumen 119 forces the positioning members 114 a-d to move toward one another thereby reducing the gaps defined among the positioning members 114 a-d. - During a surgical procedure, the surgeon places the
seal anchor member 100 relative to thetissue tract 12 of the tissue “T”, as shown inFIG. 1 . As discussed above, the size of the distal end (leading end) 104 is reduced by proximally pulling thedrawstring 117. Once thedistal end 104 is sufficiently compressed (FIG. 3 ), the surgeon inserts thedistal end 104 into thetissue tract 12. With thedistal end 104 compressed, theseal anchor member 100 may taper from the proximal (trailing) to the distal (lead) portions of theseal anchor member 100. Both the reduced cross-section of thedistal end 104 and the resulting taper of theseal anchor member 100 facilitate the surgeon's insertion of theseal anchor member 100 into thetissue tract 12. - The internal bias of the
seal anchor member 100 will apply a force to transition thedistal end 104 back to its initial dimension “De”. Therefore, during insertion of the seal anchor member, the surgeon may continue to pulldrawstring 117 proximally to maintain the compressed dimension “Dc” of thedistal end 104. The material of theseal anchor member 100, e.g., a foam, may also facilitate a timed transition back to the initial shape and dimension of theseal anchor member 100, thereby reducing the need to apply tension to thedrawstring 117 during insertion. In an embodiment, a clip or another locking means may be employed to secure thedrawstring 117 in a given position, thereby maintaining a given dimension of thedistal end 104 by inhibiting the translation of thedrawstring 117 through thelumen 119. - Once the surgeon has placed the
seal anchor member 100 within thetissue tract 12 as desired, the surgeon will permit thedrawstring 117 to translate. The internal biasing force of theseal anchor member 100 will begin to transition thedistal end 104 to the expanded dimension “De”. In the expanded state, the shape and configuration of theseal anchor member 100 facilitates anchoring of theseal anchor member 100 within thetissue tract 12. Once theseal anchor member 100 is anchored within thetissue tract 12, surgical instruments are inserted through lumens 108 a-c. - Upon completion of the procedure, the instruments are removed, and the
drawstring 117 is once again translated proximally throughlumen 119 to reduce the dimension of thedistal end 104 toward the compressed dimension “Dc”. Thereafter, the surgeon removes theseal anchor member 100 from thetissue tract 12. The reduced dimension of thedistal end 104 facilitates withdrawal of theseal anchor member 100 from within thetissue tract 12 of tissue “T”. Thetissue tract 12 may then be closed through means known in the art, e.g., stapling or suturing. - In another embodiment of the present disclosure, a
seal anchor member 200 will now be described with reference toFIGS. 4 and 5 . As shown best inFIG. 4 , theseal anchor member 200 defines a longitudinal axis “B” and having respective trailing (or proximal) and leading (or distal) ends 202, 204 and anintermediate portion 206 disposed between the trailing and leadingportions Seal anchor member 200 includes one ormore ports portions seal anchor member 200. Positioningmembers portion 202 and leadingportion 204. - Positioning
member 214 has a non-circular, in this case, oblong shape. In an embodiment as shown inFIG. 4 , the positioningmember 214 has an oblong shape. The oblong shape of thepositioning member 214 facilitates insertion of theseal anchor member 200 into thetissue tract 12. Distal end 214 a ofpositioning member 214 is configured to guide theseal anchor member 200 into thetissue tract 12. - Placement of the
seal anchor member 200 within thetissue tract 12 will now be described with reference toFIG. 5 . As seen inFIG. 5 , introduction of theseal anchor member 200 is achieved by placing distal end 214 a within the tissue tract and translating theseal anchor port 200 along directional arrow “D” to place leadingportion 204 withintissue tract 12. Surgical instruments may be used to grasp and position the leadingportion 204 of theseal anchor member 200. Alternatively, a surgeon may select to grasp and position the leadingportion 204 of theseal anchor member 200 with his or her hand. Upon placement of theseal anchor member 200 within thetissue tract 12, the surgeon may place instruments within the lumens 208 a-c. - Upon completion of the procedure, the
seal anchor member 200 is removed from within thetissue tract 12. Theseal anchor member 200 may be removed by translating the seal anchor member along a path opposite that defined by directional arrow “D”. In addition, theseal anchor member 200 may be formed from a compressible material. Where theseal anchor member 200 is formed from a compressible material, the surgeon may reduce the dimensions of theseal anchor member 200 by squeezing theseal anchor member 200. The reduction in the dimensions of theseal anchor member 200 may also facilitate the removal of theseal anchor member 200 from within thetissue tract 12. Thetissue tract 12 may then be closed through means known in the art, e.g., stapling or suturing. - With reference to
FIGS. 6A-6B , aseal anchor member 300 will now be described. Theseal anchor member 300 includes a trailing (proximal)end 302, a leading (distal)end 304, and anintermediate section 306 disposed between the trailing and leadingportions seal anchor member 300 includes one or more longitudinally extendinglumens FIG. 7B ) therethrough in a substantially sealed relationship. - The leading
portion 304 includes one ormore positioning segments positioning segments intermediate section 306 by aliving hinge FIG. 6A , theseal anchor member 300 is in a first, collapsed position in whichpositioning segments portion 304 defines a first diameter D3. In the second, expanded position, thepositioning segments portion 304 defines a second diameter D4 that is greater than the first diameter D3. Transitioning of theseal anchor member 300 between the first and second positions necessitates application of a force sufficient to radially translate thepositioning segments - As shown in
FIG. 7A , when theseal anchor member 300 is in the first, collapsed position, placement of theseal anchor member 300 within wound “W” of the tissue “T” is facilitated by having a comparatively smaller diameter. In addition, the comparatively smaller diameter may reduce the overall size of the wound “W” necessary to place theseal anchor member 300 within the wound “W”. As shown inFIG. 7B , insertion of surgical instruments “I” through thelumen corresponding positioning segment lumen 308 a effects a radial translation ofpositioning segment 304 a in the direction indicated by arrow G. Similarly, insertion of surgical instrument “I” throughlumen 308 b effects a radial translation ofpositioning segment 304 b in the direction indicated by directional arrow H. - With the
positioning segments seal anchor member 300 is anchored within the wound “W” of the tissue “T”. In particular, while thepositioning segments positioning segments seal anchor member 300 from the wound “W”. - With the
positioning segments seal anchor member 300 is inserted into the wound “W”. Thereafter, the instruments “I” are inserted intolumens lumens positioning segments seal anchor member 300 is removed from the wound “W” as will now be described. Each of the instruments “I” is removed from thelumen positioning segments positioning segments positioning segments seal anchor member 300 by reducing the dimension of the leadingportion 304 of theseal anchor member 300. Thereafter, the surgeon proximally translates the seal anchor member out of the wound “W”. The wound “W” may then be closed through means known in the art, e.g., stapling or suturing. - Although the illustrative embodiments of the present disclosure have been described herein with reference to the accompanying drawings, the above description, disclosure, and figures should not be construed as limiting, but merely as exemplifications of particular embodiments. It is to be understood, therefore, that the disclosure is not limited to those precise embodiments, and that various other changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the disclosure.
Claims (17)
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- 2010-11-12 CA CA2720545A patent/CA2720545A1/en not_active Abandoned
- 2010-11-16 AU AU2010241451A patent/AU2010241451A1/en not_active Abandoned
- 2010-11-22 JP JP2010260680A patent/JP5683231B2/en not_active Expired - Fee Related
- 2010-11-23 EP EP10251983A patent/EP2324786A1/en not_active Withdrawn
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- 2013-06-10 US US13/913,552 patent/US8795289B2/en not_active Expired - Fee Related
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- 2014-06-20 US US14/310,068 patent/US9566054B2/en not_active Expired - Fee Related
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EP3644867A4 (en) * | 2017-06-30 | 2021-04-28 | Children's National Medical Center | Apparatus for accessing the pericardial space |
US11337726B2 (en) | 2017-06-30 | 2022-05-24 | Children's National Medical Center | Apparatus for accessing the pericardial space |
Also Published As
Publication number | Publication date |
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US20110125186A1 (en) | 2011-05-26 |
JP2011110427A (en) | 2011-06-09 |
US9566054B2 (en) | 2017-02-14 |
AU2010241451A1 (en) | 2011-06-09 |
CA2720545A1 (en) | 2011-05-24 |
US20130274559A1 (en) | 2013-10-17 |
US8795289B2 (en) | 2014-08-05 |
JP5683231B2 (en) | 2015-03-11 |
US8480683B2 (en) | 2013-07-09 |
US20140303445A1 (en) | 2014-10-09 |
EP2324786A1 (en) | 2011-05-25 |
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