US20160338686A1 - Seal port with blood collector - Google Patents
Seal port with blood collector Download PDFInfo
- Publication number
- US20160338686A1 US20160338686A1 US15/230,571 US201615230571A US2016338686A1 US 20160338686 A1 US20160338686 A1 US 20160338686A1 US 201615230571 A US201615230571 A US 201615230571A US 2016338686 A1 US2016338686 A1 US 2016338686A1
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- United States
- Prior art keywords
- access assembly
- assembly according
- circular groove
- lumen
- distal
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- 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
- A61B17/02—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
- A61B17/34—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
- A61B2017/00831—Material properties
- A61B2017/00893—Material properties pharmaceutically effective
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00955—Material properties thermoplastic
-
- 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
- A61B2017/3419—Sealing means between cannula and body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—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
- A61B2017/3437—Cannulas with means for removing or absorbing fluid, e.g. wicks or absorbent pads
-
- 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
- A61B17/3462—Trocars; 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
- A61B2017/3464—Trocars; 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 with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
-
- 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
- A61B17/3462—Trocars; 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
- A61B2017/3466—Trocars; 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 for simultaneous sealing of multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
Definitions
- the present disclosure relates to a flexible access assembly for use in single incision surgical procedures. More particularly, the present disclosure relates to a flexible access assembly having a mechanism for the removal of bodily fluids.
- 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 access assembly includes a body, e.g., a foam body, having a proximal end and a distal end and a plurality of lumens extending through the foam body, each of the lumens including a sleeve extending at least a portion of the length of the body.
- the foam body includes a central portion and a lower rim at a distal end of the central portion.
- the lower rim defines a circular recess, about the body, along a proximal side of the lower rim.
- the body has an upper rim at a proximal end of the central portion. Both the lower rim and an upper rim have a diameter greater than a diameter of the central portion.
- the access assembly may define four lumens.
- the sleeves are integrally formed with the body, or instead, the sleeves may be securely affixed with the body.
- the sleeves may be formed from one polymer and plastic.
- the sleeves may define a circular cross-section.
- the sleeves may include a braided material.
- the access assembly may further include one or more cannula assemblies inserted through the plurality of lumens.
- the body may include a Parylene coating. Various other coatings, e.g., hydrophilic, hydrophobic, bio-agents, anti-infection, analgesic, may also be employed.
- FIG. 1 is a perspective view of an embodiment of an access assembly according to the present disclosure
- FIG. 2 is a top view of the access assembly of FIG. 1 ;
- FIG. 3 is a cross-sectional side view of the access assembly of FIGS. 1 and 2 taken along line 3 - 3 of FIG. 2 ;
- FIG. 4 is a perspective view of a tissue section having an incision therethrough with an underlying body organ shown in phantom;
- FIG. 5 is a perspective view of the access assembly of FIG. 1 prepared for insertion through the incision in the tissue;
- FIG. 6 is a perspective view of the flexible access assembly of FIG. 1 positioned through the incision in the tissue;
- FIG. 7 is a side view, partially shown in cross-section, of the access assembly of FIG. 1 , including a stopcock valve and a pair of cannula assemblies received therethrough;
- FIG. 8 is a perspective view of an alternative embodiment of an access assembly according to the present disclosure.
- FIG. 9 is a top view of the access assembly of FIG. 10 ;
- FIG. 10 is a cross-sectional side view of the access assembly of FIGS. 9 and 10 taken along line 10 - 10 of FIG. 9 .
- proximal refers to that part or component closer to the user or operator, i.e. surgeon or physician
- distal refers to that part or component further away from the user.
- One type of minimal invasive surgery described herein is multiple instrument access through a single surgical port.
- This technique is a minimally invasive surgical procedure, which permits a surgeon to operate through a single entry point, typically the patient's navel.
- the disclosed procedure involves insufflating the body cavity with a housing member positioned within an opening in the patient's skin. Instruments including an endoscope and additional instruments such as graspers, staplers, forceps or the like may be introduced within the port to carry out the surgical procedure.
- the presently disclosed access port may be used with a surgically created incision, a naturally occurring opening such as the anus or the vagina, or in non-laparoscopic procedures.
- Access assembly 10 for use in single incision surgery.
- Access assembly 10 is flexible or compressible to allow it to be inserted through a single incision in the body of a patient such that after insertion it will expand and seal within the incision. Additionally, the flexible nature of access assembly 10 allows surgical instruments inserted therethrough to be manipulated about their axes and thus allow a higher degree of movement of the surgical instruments to orient them relative to the tissue being operated upon.
- access assembly 10 includes a flexible body or housing 12 defining a plurality of lumens 16 , 18 , 20 .
- Body 12 may be formed of various materials such as, for example, silicone, thermoplastic elastomers (TPE), rubber, foam, gel, etc. In this manner, body 12 of access assembly 10 may be compressed or squeezed and inserted through an incision in the body of a patient.
- body 12 includes TPE material that is infused with an inert gas, e.g. CO 2 or nitrogen, to form a foam structure.
- Body 12 may be coated with a lubricant, e.g. Parylene N or C, in order to create a lubricious surface finish on all external surfaces.
- a lubricant e.g. Parylene N or C
- Various other coatings e.g., hydrophilic, hydrophobic, bio-agents, anti-infection, analgesic, may also be employed. In this manner, the coating facilitates insertion of body 12 into an incision and insertion of cannula assemblies ( FIG. 7 ) therethrough.
- body 12 defines a substantially hourglass shape when viewed from the side, including a central portion 22 having an upper rim 24 located at a proximal end 26 of central portion 22 and a lower rim 28 located at a distal end 30 of central portion 22 .
- Upper rim 24 and lower rim 28 aid in preventing movement of access assembly 10 longitudinally through the incision “I” ( FIG. 4 ) in the patient.
- the lower rim 28 defines a circular recess 40 along a proximal side 41 of the lower rim 28 .
- the recess 40 encircles the body 12 to form a circular indentation completely about the body 12 .
- a vertical lumen 42 extends through the body 12 and connects with a horizontal lumen 44 to produce a longitudinal passageway 43 that extends from the proximal end 26 of the central portion 22 to a horizontal passageway 45 that extends into the recess 40 . It is contemplated that passageway 43 and/or passageway 45 may be coated with an anti-coagulant.
- the recess 40 is defined by a semi-circular cross-section. However, it is contemplated that any cross-sectional shape may be used. It is also contemplated that the horizontal lumen 44 may intersect with the recess 40 from any relative position, including along a bottom of the recess 40 . It is further contemplated that the cross-sectional shape may vary about a circumference of the recess 40 .
- Lumens 16 , 18 , 20 extend through body 12 and define longitudinal axes configured to receive a cannula assembly 50 ( FIG. 7 ), a valve assembly 60 and/or other insufflation apparatus. As shown, lumens 16 , 18 , 20 include sleeves 16 a , 18 a , 20 a , respectively, extending the length of body 12 . Sleeves 16 a , 18 a , 20 a may be integrally formed with body 12 , or instead may be securely affixed to body 12 using adhesive, ultrasonic welding or other suitable means.
- Sleeves 16 a , 18 a , 20 a are formed of a plastic, polymer or other suitable material and are configured to prevent tearing of body 12 as a cannula assembly or other apparatus is inserted therethrough.
- Sleeves 16 a , 18 a , 20 a are typically formed of a harder or less flexible material than body 12 to resist stretching.
- Sleeves 16 a , 18 a , 20 a may also be coated with a lubricant to assist in insertion of cannula assemblies 50 and/or valve assembly 60 .
- access assembly 10 in a single incision surgical procedure will now be described.
- access assembly 10 will be described as relates to relates to a procedure for excising and removing a body organ, the aspects of the present disclosure may be modified for use in any closed procedure and should not be read as limited to the procedure herein described.
- a single incision “I” is formed through a body tissue “T” and above a body organ, such as, for example, kidney “K”.
- body 12 of access assembly 10 is squeezed or compressed to reduce body 12 to a relatively smaller diameter for insertion through incision “I”.
- body 12 is formed of a flexible material which allows access assembly 10 to be compressed. It should be recognized that the body 12 may be compressed into any suitable configuration prior to being inserted into an incision, not merely the configuration shown in FIG. 5 . For example, in an embodiment, prior to insertion the body 12 is clamped at its distal end while the proximal end of the housing 12 remains essentially uncompressed, and the clamped distal end is inserted into the incision.
- incision “I” is formed having a size that is smaller than the diameter of the initial uncompressed state of the housing 12 .
- the housing 12 contacts and presses against the inner surface of the incision “I”, thereby retracting the opening and sealing with the incision “I”. Since incisions are often slit-shaped when formed, the portion of the housing 12 that is located within the incision may be somewhat oval-shaped (when viewed from above).
- body 12 includes upper rim 24 and lower rim 28 to prevent migration of access assembly 10 through incision “I” in body tissue “T”.
- Cannula assemblies 50 and/or valve assembly 60 may be inserted through seal lumens 16 , 18 , 20 to operate on kidney “K”.
- Cannula assembly 50 includes a housing 52 configured to sealingly receive an instrument 5 and an elongated cannula 52 configured to extend through one of lumens 16 , 18 , 20 .
- Housing 52 may include an insufflation port 53 .
- Valve assembly 60 is configured to be received through one of lumens 16 , 18 , 20 .
- Valve assembly 60 may include a stopcock or other type of valve 62 for selectively providing insufflation gas through access assembly 10 . Although shown including valve assembly 60 , any valve assembly capable of sealed reception within lumens 16 , 18 , 20 may be used with access assembly 10 .
- kidney “K” may be operated upon to excise it from the surrounding tissue.
- One or more surgical instruments such as, for example, tissue graspers or surgical staplers, are inserted through and manipulated within cannula assemblies 50 to complete the procedure.
- instrument 5 may be inserted and retracted, in the direction of arrows “A”, through any of seal lumens 16 , 18 , 20 that have received a cannula assembly 50 therethrough. Due to the flexible nature of access assembly 10 , cannula assembly 50 may be flexed relative thereto.
- a proximal end 5 a of instrument 5 may be manipulated in any direction, as indicated by arrows “B”.
- access assembly 10 permits a surgeon to manipulate or orient instrument 5 at various locations relative to the tissue being operated upon.
- Cannula assemblies 50 may also be flexed relative to each other. In this manner, a first instrument inserted through a first cannula assembly may be manipulated relative to a second instrument inserted through a second cannula assembly.
- the recess 40 functions to collect bodily fluids 48 from the incision “I”.
- a vacuum source 64 may be connected with the vertical lumen 42 , which is connected with the recess 40 by the horizontal lumen 44 .
- any bodily fluids 48 that are collected within the recess 40 can be removed.
- bodily fluids 48 may be collected and dispensed with during a minimally invasive surgical procedure to aid in the prevention of contamination and visual impairment of the surgical work site.
- cannula assemblies 50 and valve assembly 60 are removed from respective lumens 16 , 18 , 20 .
- Access assembly 10 is then compressed or squeezed such that it may be removed from incision “I”. Incision “I” is then closed in a conventional manner.
- Access assembly 110 is substantially similar to access assembly 10 described hereinabove, and will only be described as relates to the differences therebetween.
- Access assembly 110 includes a body 112 defining a plurality of lumens 116 , 118 , 120 .
- Each of lumens 116 , 118 , 120 includes a sleeve 116 a , 118 a , 120 a , respectively.
- Each of sleeves 116 a , 118 a , 120 a is formed of a braided mesh.
- sleeves 116 a , 118 a , 120 a are configured to prevent tearing of body 112 as cannula assembly and other apparatus are inserted therethrough.
- the disclosed flexible access assembly may be provided with multiple lumens in excess of the disclosed three lumens.
- the diameters or configuration of the disclosed lumens need not be identical but may be varied depending upon the contemplated surgical instruments to be utilized therethrough. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the claims appended hereto.
Abstract
An access assembly for insertion through a single incision is provided. The access assembly includes a foam body having a proximal end and a distal end and a plurality of lumens extending through the foam body. Each of the lumens includes a sleeve extending the length of the body. The foam body has a central portion and a lower rim at a distal end of the central portion. The lower rim defines a circular recess, about the body, along a proximal side of the lower rim.
Description
- This application is a continuation of U.S. patent application Ser. No. 13/031,352 filed Feb. 21, 2011, which claims the benefit of and priority to U.S. Provisional Application Ser. No. 61/355,379 filed on Jun. 16, 2010, and the disclosures of each of the above-identified applications are hereby incorporated by reference in their entirety.
- Technical Field
- The present disclosure relates to a flexible access assembly for use in single incision surgical procedures. More particularly, the present disclosure relates to a flexible access assembly having a mechanism for the removal of bodily fluids.
- Background of Related Art
- Today, many surgical procedures are performed through small incisions in the skin, as compared to the larger incisions typically required in traditional procedures, in an effort to reduce both trauma to the patient and recovery time. 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 access devices with 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 surgical access devices that can facilitate the accessibility of an underlying tissue site with relative ease and with minor inconvenience for the surgeon.
- Accordingly, an access assembly for insertion through a single incision is disclosed herein. The access assembly includes a body, e.g., a foam body, having a proximal end and a distal end and a plurality of lumens extending through the foam body, each of the lumens including a sleeve extending at least a portion of the length of the body. The foam body includes a central portion and a lower rim at a distal end of the central portion. The lower rim defines a circular recess, about the body, along a proximal side of the lower rim.
- The body has an upper rim at a proximal end of the central portion. Both the lower rim and an upper rim have a diameter greater than a diameter of the central portion. The access assembly may define four lumens. The sleeves are integrally formed with the body, or instead, the sleeves may be securely affixed with the body. The sleeves may be formed from one polymer and plastic. The sleeves may define a circular cross-section. The sleeves may include a braided material. The access assembly may further include one or more cannula assemblies inserted through the plurality of lumens. The body may include a Parylene coating. Various other coatings, e.g., hydrophilic, hydrophobic, bio-agents, anti-infection, analgesic, may also be employed.
- Various embodiments of the present disclosure are described hereinbelow with reference to the drawings, wherein:
-
FIG. 1 is a perspective view of an embodiment of an access assembly according to the present disclosure; -
FIG. 2 is a top view of the access assembly ofFIG. 1 ; -
FIG. 3 is a cross-sectional side view of the access assembly ofFIGS. 1 and 2 taken along line 3-3 ofFIG. 2 ; -
FIG. 4 is a perspective view of a tissue section having an incision therethrough with an underlying body organ shown in phantom; -
FIG. 5 is a perspective view of the access assembly ofFIG. 1 prepared for insertion through the incision in the tissue; -
FIG. 6 is a perspective view of the flexible access assembly ofFIG. 1 positioned through the incision in the tissue; -
FIG. 7 is a side view, partially shown in cross-section, of the access assembly ofFIG. 1 , including a stopcock valve and a pair of cannula assemblies received therethrough; -
FIG. 8 is a perspective view of an alternative embodiment of an access assembly according to the present disclosure; -
FIG. 9 is a top view of the access assembly ofFIG. 10 ; and -
FIG. 10 is a cross-sectional side view of the access assembly ofFIGS. 9 and 10 taken along line 10-10 ofFIG. 9 . - Other features of the present disclosure will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the principles of the present disclosure.
- Embodiments of the presently disclosed access assembly will now be described in detail with reference to the drawings wherein like numerals designate identical or corresponding elements in each of the several views. As is common in the art, the term “proximal” refers to that part or component closer to the user or operator, i.e. surgeon or physician, while the term “distal” refers to that part or component further away from the user.
- One type of minimal invasive surgery described herein is multiple instrument access through a single surgical port. This technique is a minimally invasive surgical procedure, which permits a surgeon to operate through a single entry point, typically the patient's navel. The disclosed procedure involves insufflating the body cavity with a housing member positioned within an opening in the patient's skin. Instruments including an endoscope and additional instruments such as graspers, staplers, forceps or the like may be introduced within the port to carry out the surgical procedure. The presently disclosed access port may be used with a surgically created incision, a naturally occurring opening such as the anus or the vagina, or in non-laparoscopic procedures.
- Referring to
FIGS. 1-3 , there is disclosed anaccess assembly 10 for use in single incision surgery.Access assembly 10 is flexible or compressible to allow it to be inserted through a single incision in the body of a patient such that after insertion it will expand and seal within the incision. Additionally, the flexible nature ofaccess assembly 10 allows surgical instruments inserted therethrough to be manipulated about their axes and thus allow a higher degree of movement of the surgical instruments to orient them relative to the tissue being operated upon. - Still referring to
FIGS. 1-3 ,access assembly 10 includes a flexible body orhousing 12 defining a plurality oflumens Body 12 may be formed of various materials such as, for example, silicone, thermoplastic elastomers (TPE), rubber, foam, gel, etc. In this manner,body 12 ofaccess assembly 10 may be compressed or squeezed and inserted through an incision in the body of a patient. In one embodiment,body 12 includes TPE material that is infused with an inert gas, e.g. CO2 or nitrogen, to form a foam structure.Body 12 may be coated with a lubricant, e.g. Parylene N or C, in order to create a lubricious surface finish on all external surfaces. Various other coatings, e.g., hydrophilic, hydrophobic, bio-agents, anti-infection, analgesic, may also be employed. In this manner, the coating facilitates insertion ofbody 12 into an incision and insertion of cannula assemblies (FIG. 7 ) therethrough. - With reference still to
FIGS. 1-3 ,body 12 defines a substantially hourglass shape when viewed from the side, including acentral portion 22 having anupper rim 24 located at aproximal end 26 ofcentral portion 22 and alower rim 28 located at adistal end 30 ofcentral portion 22.Upper rim 24 andlower rim 28 aid in preventing movement ofaccess assembly 10 longitudinally through the incision “I” (FIG. 4 ) in the patient. Thelower rim 28 defines acircular recess 40 along aproximal side 41 of thelower rim 28. Therecess 40 encircles thebody 12 to form a circular indentation completely about thebody 12. - A
vertical lumen 42 extends through thebody 12 and connects with ahorizontal lumen 44 to produce alongitudinal passageway 43 that extends from theproximal end 26 of thecentral portion 22 to ahorizontal passageway 45 that extends into therecess 40. It is contemplated thatpassageway 43 and/orpassageway 45 may be coated with an anti-coagulant. - As disclosed, the
recess 40 is defined by a semi-circular cross-section. However, it is contemplated that any cross-sectional shape may be used. It is also contemplated that thehorizontal lumen 44 may intersect with therecess 40 from any relative position, including along a bottom of therecess 40. It is further contemplated that the cross-sectional shape may vary about a circumference of therecess 40. -
Lumens body 12 and define longitudinal axes configured to receive a cannula assembly 50 (FIG. 7 ), avalve assembly 60 and/or other insufflation apparatus. As shown,lumens sleeves body 12.Sleeves body 12, or instead may be securely affixed tobody 12 using adhesive, ultrasonic welding or other suitable means.Sleeves body 12 as a cannula assembly or other apparatus is inserted therethrough.Sleeves body 12 to resist stretching.Sleeves cannula assemblies 50 and/orvalve assembly 60. - Referring now to
FIGS. 4-7 , the use ofaccess assembly 10 in a single incision surgical procedure will now be described. Althoughaccess assembly 10 will be described as relates to relates to a procedure for excising and removing a body organ, the aspects of the present disclosure may be modified for use in any closed procedure and should not be read as limited to the procedure herein described. - Referring initially to
FIG. 4 , a single incision “I” is formed through a body tissue “T” and above a body organ, such as, for example, kidney “K”. Turning now toFIG. 5 , once incision “I” has been formed through body tissue “T”,body 12 ofaccess assembly 10 is squeezed or compressed to reducebody 12 to a relatively smaller diameter for insertion through incision “I”. As noted hereinabove,body 12 is formed of a flexible material which allowsaccess assembly 10 to be compressed. It should be recognized that thebody 12 may be compressed into any suitable configuration prior to being inserted into an incision, not merely the configuration shown inFIG. 5 . For example, in an embodiment, prior to insertion thebody 12 is clamped at its distal end while the proximal end of thehousing 12 remains essentially uncompressed, and the clamped distal end is inserted into the incision. - Referring to
FIG. 6 , onceflexible access assembly 10 has been inserted through incision “I”, pressure onbody 12 is released, allowingbody 12 to return towards its initial uncompressed state within incision “I”. Typically, the incision “I” is formed having a size that is smaller than the diameter of the initial uncompressed state of thehousing 12. In this manner, when in place within the incision “I”, thehousing 12 contacts and presses against the inner surface of the incision “I”, thereby retracting the opening and sealing with the incision “I”. Since incisions are often slit-shaped when formed, the portion of thehousing 12 that is located within the incision may be somewhat oval-shaped (when viewed from above). As noted hereinabove,body 12 includesupper rim 24 andlower rim 28 to prevent migration ofaccess assembly 10 through incision “I” in body tissue “T”. - Turning to
FIG. 7 , onceaccess assembly 10 has been positioned above kidney “K”,cannula assemblies 50 and/orvalve assembly 60 may be inserted throughseal lumens Cannula assembly 50 includes ahousing 52 configured to sealingly receive aninstrument 5 and anelongated cannula 52 configured to extend through one oflumens Housing 52 may include aninsufflation port 53. Although shown includingcannula assembly 50, any cannula assembly capable of being received throughlumens access assembly 10.Valve assembly 60 is configured to be received through one oflumens Valve assembly 60 may include a stopcock or other type ofvalve 62 for selectively providing insufflation gas throughaccess assembly 10. Although shown includingvalve assembly 60, any valve assembly capable of sealed reception withinlumens access assembly 10. - Still referring to
FIG. 7 , once the body cavity has been properly insufflated, either throughvalve assembly 60 orinsufflation port 53 ofcannula assembly 50, kidney “K” may be operated upon to excise it from the surrounding tissue. One or more surgical instruments, such as, for example, tissue graspers or surgical staplers, are inserted through and manipulated withincannula assemblies 50 to complete the procedure. As shown,instrument 5 may be inserted and retracted, in the direction of arrows “A”, through any ofseal lumens cannula assembly 50 therethrough. Due to the flexible nature ofaccess assembly 10,cannula assembly 50 may be flexed relative thereto. In this manner, onceinstrument 5 is inserted throughcannula assembly 50, aproximal end 5 a ofinstrument 5 may be manipulated in any direction, as indicated by arrows “B”. Thus,access assembly 10 permits a surgeon to manipulate or orientinstrument 5 at various locations relative to the tissue being operated upon.Cannula assemblies 50 may also be flexed relative to each other. In this manner, a first instrument inserted through a first cannula assembly may be manipulated relative to a second instrument inserted through a second cannula assembly. - With continued reference to
FIG. 7 , therecess 40 functions to collectbodily fluids 48 from the incision “I”. Avacuum source 64 may be connected with thevertical lumen 42, which is connected with therecess 40 by thehorizontal lumen 44. As a result, anybodily fluids 48 that are collected within therecess 40 can be removed. Thus,bodily fluids 48 may be collected and dispensed with during a minimally invasive surgical procedure to aid in the prevention of contamination and visual impairment of the surgical work site. - Upon completion of the procedure,
cannula assemblies 50 andvalve assembly 60 are removed fromrespective lumens Access assembly 10 is then compressed or squeezed such that it may be removed from incision “I”. Incision “I” is then closed in a conventional manner. - Turning now to
FIGS. 4-6 , an alternative embodiment of an access assembly according to the present disclosure is shown generally asaccess assembly 110.Access assembly 110 is substantially similar toaccess assembly 10 described hereinabove, and will only be described as relates to the differences therebetween.Access assembly 110 includes abody 112 defining a plurality oflumens lumens sleeve sleeves sleeves sleeves body 112 as cannula assembly and other apparatus are inserted therethrough. - It will be understood that various modifications may be made to the embodiments disclosed herein. For example, as noted hereinabove, the disclosed flexible access assembly may be provided with multiple lumens in excess of the disclosed three lumens. Additionally, the diameters or configuration of the disclosed lumens need not be identical but may be varied depending upon the contemplated surgical instruments to be utilized therethrough. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the claims appended hereto.
Claims (17)
1-11. (canceled)
12. An access assembly for insertion through tissue, comprising:
a body formed of a flexible material, the body including a proximal end and a distal end having a distal rim, the body defining a fluid lumen extending between the proximal end and the distal rim, the fluid lumen including an opening on a proximal side of the distal rim, the distal rim defining a circular groove on the proximal side thereof, wherein the fluid lumen is in fluid communication with the circular groove such that the fluid lumen enables extraction of bodily fluids from the circular groove.
13. The access assembly according to claim 12 , wherein the body further defines a lumen extending therethrough, the lumen configured to receive a surgical instrument therethrough.
14. The access assembly according to claim 13 , wherein the body includes a sleeve disposed within the lumen.
15. The access assembly according to claim 14 , wherein the sleeve is integrally formed with the body.
16. The access assembly according to claim 14 , wherein the sleeve is formed of a braided mesh.
17. The access assembly according to claim 12 , wherein the body is formed of at least one of silicone, thermoplastic elastomer, rubber, foam, or gel.
18. The access assembly according to claim 12 , wherein the body further defines a passage extending between a distal end of the fluid lumen and the circular groove to provide fluid communication therebetween.
19. The access assembly according to claim 12 , wherein the body has a substantially hourglass shape.
20. The access assembly according to claim 12 , wherein the circular groove extends distally from the proximal side of the distal rim.
21. An access assembly for insertion through tissue, comprising:
a body including a proximal end and a distal end having a distal rim, the body defining:
a circular groove extending distally from a proximal side of the distal rim;
a fluid lumen extending between the proximal end and the distal rim; and
a passage extending between the circular groove and a distal portion of the fluid lumen such that the fluid lumen is in fluid communication with the circular groove.
22. The access assembly according to claim 21 , further comprising a vacuum source in fluid communication with the fluid lumen to extract bodily fluids from the circular groove.
23. The access assembly according to claim 21 , wherein at least one of the passage or the fluid lumen includes an anti-coagulant.
24. The access assembly according to claim 21 , wherein the body further defines a lumen configured to receive a surgical instrument therethrough.
25. The access assembly according to claim 21 , wherein the body further includes a sleeve.
26. The access assembly according to claim 25 , wherein the sleeve is formed of a braided mesh.
27. The access assembly according to claim 21 , wherein the body is formed of at least one of silicone, thermoplastic elastomer, rubber, foam, or gel.
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Also Published As
Publication number | Publication date |
---|---|
JP2012000456A (en) | 2012-01-05 |
EP2397086A3 (en) | 2013-07-31 |
EP2397086A2 (en) | 2011-12-21 |
CA2740324A1 (en) | 2011-12-16 |
US9421032B2 (en) | 2016-08-23 |
JP5733826B2 (en) | 2015-06-10 |
EP2397086B1 (en) | 2016-03-16 |
AU2011202314A1 (en) | 2012-01-19 |
US20110313250A1 (en) | 2011-12-22 |
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