WO2016206015A1 - Applicateur d'agrafes chirurgicales avec mécanisme d'alimentation en agrafes multiple - Google Patents
Applicateur d'agrafes chirurgicales avec mécanisme d'alimentation en agrafes multiple Download PDFInfo
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- WO2016206015A1 WO2016206015A1 PCT/CN2015/082199 CN2015082199W WO2016206015A1 WO 2016206015 A1 WO2016206015 A1 WO 2016206015A1 CN 2015082199 W CN2015082199 W CN 2015082199W WO 2016206015 A1 WO2016206015 A1 WO 2016206015A1
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- clip
- cartridge
- surgical
- pusher bar
- distal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
Definitions
- the present disclosure relates to surgical clip appliers. More particularly, the present disclosure relates to reposable surgical clip appliers having a disposable clip cartridge assembly for use in open or endoscopic surgical procedures.
- Surgical clip appliers are known in the art and have increased in popularity among surgeons by offering an alternative to conventional suturing of body tissues and vessels.
- Typical instruments are disclosed in U.S. Pat. No. 5,030,226 to Green et al. and U.S. Pat. No. 5,431,668 to Burbank, III et al. These instruments generally provide a plurality of clips which are stored in the instrument and which are fed sequentially to the jaw mechanism at the distal end of the instrument upon opening and closing of the handles at the proximal end of the instrument.
- the jaws close to deform a clip positioned between the jaw members, and as the jaws are opened to release the deformed clip, a new clip is fed from the series of clips to a position between the jaws. This process is repeated until all the clips in the series of clips have been used.
- the present disclosure relates to reposable endoscopic surgical clip appliers.
- a clip cartridge assembly includes a clip tray configured to be selectively loadable in a channel assembly of a surgical clip applier.
- the clip tray includes
- first channel defined by a base wall and a pair of first side rails extending along longitudinal sides of the base wall; a second channel, adjacent to the first channel, defined by a pair of second side rails supported on respective ones of the pair of first side rails; and a first plurality of distally oriented, deflectable, resilient fingers projecting from the base wall and into the first channel.
- the clip cartridge assembly further includes a cartridge clip pusher bar slidably disposed within the second channel and interposed between the pair of second side rails of the clip tray.
- the cartridge clip pusher bar includes a second plurality of distally oriented, deflectable, resilient fingers projecting from a base wall thereof and extending into the first channel of the clip tray. Each resilient finger of the cartridge clip pusher bar terminates in a distal shoulder.
- a proximal end of the cartridge clip pusher bar is configured for selective engagement with a drive bar of the surgical clip applier, such that the cartridge clip pusher bar is in mechanical communication with a handle assembly of the surgical clip applier.
- the clip cartridge assembly also includes a plurality of surgical clips loaded within the first channel of the clip tray and interposed between the base wall defining the first channel of the clip tray and the base wall of the cartridge clip pusher bar.
- a surgical clip is disposed distally of each resilient finger of the clip tray and each resilient finger of the cartridge clip pusher bar when the cartridge clip pusher bar is at a proximal-most position relative to the clip tray.
- a surgical clip applier includes a housing including a drive bar; at least one handle pivotably connected to the housing and configured to actuate the drive bar; a channel assembly extending distally from the housing; and a clip cartridge assembly selectively loadable in the channel assembly.
- the clip cartridge assembly is in mechanical communication with the at least one handle and includes a clip tray configured to be selectively loadable in a channel assembly of a surgical clip applier.
- the clip tray includes a first channel defined by a base wall and a pair of first side rails extending along longitudinal sides of the base wall; a second channel, adjacent to the first channel, defined by a pair of second side rails supported on respective ones of the pair of first side rails; and a first plurality of distally oriented, deflectable, resilient fingers projecting from the base wall and into the first channel.
- the clip cartridge assembly includes a cartridge clip pusher bar slidably disposed within the first channel and interposed between the pair of first side rails of the clip tray.
- the cartridge clip pusher bar includes a second plurality of distally oriented, deflectable, resilient fingers projecting from a base wall thereof and extending into the first channel of the clip tray.
- Each resilient finger of the cartridge clip pusher bar terminates in a distal shoulder, a proximal end of the cartridge clip pusher bar being configured for selective engagement with the drive bar, such that the cartridge clip pusher bar is in mechanical communication with the handle assembly.
- a plurality of surgical clips are loaded within the first channel of the clip tray and interposed between the base wall defining the first channel of the clip tray and the base wall of the cartridge clip pusher bar.
- a surgical clip is disposed distally of each resilient finger of the clip tray and each resilient finger of the cartridge clip pusher bar when the cartridge clip pusher bar is at a proximal-most position relative to the clip tray.
- the surgical clip applier further includes a pair of jaws supported on a distal end of the channel assembly, the pair of jaws configured to receive a single, unformed surgical clip therein.
- the clip cartridge assembly may further include a drive sled slidably disposed within the first channel of the clip tray, the drive sled being positioned proximal of the plurality of surgical clips; a cartridge pusher rod extending distally from the drive sled, the cartridge pusher rod having a distal end connected to a proximal end of the cartridge clip pusher bar; and a biasing member supported on the cartridge pusher rod and tending to bias the drive sled and the cartridge clip pusher bar to a proximal-most position.
- distal actuation of the cartridge clip pusher bar may cause each distal shoulder of the cartridge clip pusher bar to contact a backspan of a respective surgical clip, to thereby distally advance all of the surgical clips simultaneously.
- each of the second plurality of distally oriented, deflectable, resilient fingers may contact a distal surface of the backspan of a respective remaining one of the surgical clip to proximally move all of the remaining surgical clips until the backspans of all of the remaining surgical clips contacts a respective finger of the first plurality of distally oriented, deflectable, resilient fingers of the clip tray to block any further proximal movement of the remaining surgical clips.
- distal actuation of the cartridge clip pusher bar may result from a distal movement of the drive sled that distally advances the cartridge pusher rod, wherein distal advancement of the drive sled may bias the biasing member.
- the clip tray may further include a spaced apart pair of distally oriented, deflectable, resilient fingers projecting from a distal end of the base wall thereof.
- the spaced apart pair of fingers may be configured to contact a distal surface of a backspan of a surgical clip being distally urged by the cartridge clip pusher bar, to thereby inhibit any further distal movement of the surgical clip.
- the distal-most finger of the first plurality of distally oriented, deflectable, resilient fingers may be a rectangular configuration.
- Each remaining finger of the first plurality of distally oriented, deflectable, resilient fingers may include a V-shaped notch formed in a distal end thereof.
- a distal end of the cartridge clip pusher bar may include a pusher disposed thereon.
- the pusher may define a pair of spaced apart prongs configured to engage a backspan of a surgical clip.
- FIG. 1A is a top, perspective view, of a surgical clip applier loaded with a clip cartridge according to an embodiment of the present disclosure
- FIG. 1B is a top, perspective view, of an endoscopic surgical clip applier loaded with a clip cartridge according to an embodiment of the present disclosure
- FIG. 2 is a top, perspective view, of a clip cartridge assembly of the present disclosure, with a cover removed therefrom;
- FIG. 3 is an enlarged view of the indicated area of detail of FIG. 2;
- FIG. 4 is a bottom, perspective view, of the clip cartridge assembly of FIG. 2;
- FIG. 5 is an enlarged view of the indicated area of detail of FIG. 4;
- FIG. 6 is a perspective view, with parts separated of the clip cartridge assembly of FIGS. 2-5;
- FIG. 7 is a top, perspective view of a distal end of a cartridge clip pusher bar of the clip cartridge assembly of FIGS. 2-6;
- FIG. 8 is a bottom perspective view of the cartridge clip pusher bar of the clip cartridge assembly of FIGS. 2-6;
- FIG. 9 is an enlarged view of the indicated area of detail of FIG. 8;
- FIG. 10 is a top, perspective view of a distal end of a clip tray of the clip cartridge assembly of FIGS. 2-6;
- FIG. 11 is a bottom, perspective view of the distal end of the clip tray of the clip cartridge assembly of FIGS. 2-6;
- FIG. 12 is a longitudinal, cross-sectional view of the clip cartridge assembly of FIGS. 2-6, as taken through 12-12 of FIG. 2;
- FIG. 13 is an enlarged view of the indicated area of detail of FIG. 12, illustrating the cartridge clip pusher bar in an initial position;
- FIG. 14 is an enlarged view of the indicated area of detail of FIG. 12, illustrating the cartridge clip pusher bar following a complete distal advancement thereof;
- FIG. 15 is an enlarged view of the indicated area of detail of FIG. 12, illustrating the cartridge clip pusher bar during a retraction thereof from a complete distal position thereof back to the initial position thereof;
- FIG. 16 is an enlarged view of the indicated area of detail of FIG. 12, illustrating the cartridge clip pusher bar fully retracted to the initial position thereof and with a surgical clip loaded into the pair of jaws;
- FIG. 17 is an enlarged view of the indicated area of detail of FIG. 12, illustrating the cartridge clip pusher bar locked out in a fully spent clip cartridge assembly;
- FIG. 18 is a bottom, perspective view of the cartridge clip pusher bar locked in the clip tray of the clip cartridge assembly.
- proximal refers to the end of the apparatus which is closer to the user and the term “distal” refers to the end of the apparatus which is further away from the user.
- a surgical clip applier in accordance with an embodiment of the present disclosure is generally designated as 100. It is contemplated that any of the components of surgical clip applier 100 may be formed from any suitable biocompatible material such as stainless steel, titanium, or the like.
- Surgical clip applier 100 generally includes a handle assembly 102 including a housing 104 having upper housing half 104a and lower housing half 104b. Handle assembly 102 further includes a pair of handles 106 pivotably secured to housing 104 and extending outwardly therefrom. A channel assembly 108 is fixedly secured to housing 104 and extends outwardly therefrom, terminating in and supporting a jaw assembly 110.
- Handles 106 are pivotably secured to housing 104 and axially translate a drive bar or channel or the like 112 (FIGS. 3, 5 and 12) , via link members 122, through housing 104 and/or channel assembly 108 to effectuate a loading of a surgical clip into the jaw assembly, and a formation of the loaded clip within the jaw assembly.
- channel assembly 108 includes an outer or lower channel 132 having a proximal end retained in housing 104, between upper and lower housing halves 104a, 104b.
- Outer channel 132 of channel assembly 108 is configured for selective receipt of a clip cartridge assembly 300 therein, which clip cartridge assembly 300 is actuatable by handle assembly 102 to fire and form the surgical clips loaded therein onto underlying tissue and/or vessels.
- Jaw assembly 110 of clip applier 100 includes a pair of jaws 120 mounted on or at a distal end of channel assembly 108 and actuatable by handles 106 of handle assembly 102.
- the pair of jaws 120 is formed of a suitable biocompatible material such as, for example, stainless steel or titanium.
- the pair of jaws 120 may include a first jaw member 120a, and a second jaw member 120b, which define a channel therebetween for receipt of a surgical clip “C” therein (FIG. 5) .
- surgical clip cartridge assembly 300 may be mated to a surgical clip applier 200 configured for use in endoscopic surgical procedures.
- Surgical clip applier 200 generally includes a handle assembly 202, and an endoscopic assembly 208 including a shaft assembly 210 selectively connectable to and extendable distally from handle assembly 202, wherein the surgical clip cartridge assembly 300 is selectively loadable into shaft assembly 210 of endoscopic assembly 208.
- endoscopic surgical clip appliers configured for use with surgical clip cartridge assembly 300, reference may be made to PCT Application Serial No. PCT/CN2015/070733, filed on January 15, 2015, (Atty. Docket: 355677 (203-10414) , the entire contents of which are incorporated by reference herein.
- Clip cartridge assembly 300 of surgical clip applier 100 is shown.
- Clip cartridge assembly 300 is configured to be selectively loadable into outer channel 132 of channel assembly 108, and to be actuated upon an actuation of handle assembly 102 to fire and form the surgical clips loaded therein onto underlying tissue and/or vessels.
- Each clip cartridge assembly 300 may be loaded with a particularly sized set of surgical clips (e.g., relatively small surgical clips, relatively medium surgical clips, or relatively large surgical clips) .
- Clip cartridge assembly 300 includes a clip tray 302 including base wall 302a and a pair of spaced apart lower side walls or rails 302b 1 supported on base wall 302a.
- Base wall 302a and lower rails 302b 1 define a clip channel 302c 1 (FIG. 6) .
- Clip channel 302c 1 is configured and dimensioned to slidably support a plurality of surgical clip “C” therein.
- Clip tray 302 further includes at least a pair of spaced apart upper side walls or rails 302b 2 supported on lower side walls 302b 1 .
- Lower rails 302b 1 and upper rails 302b 2 define a pusher bar channel 302c 2 (FIGS. 6 and 10) .
- Pusher bar channel 302c 2 is configured and dimensioned to slidably support a cartridge clip pusher bar 304 therein.
- Clip tray 302 includes a linear array of distally extending resilient, deflectable fingers 302d projecting up from base wall 302a and into lower clip channel 302c 1 at a location between side rails 302b.
- a distal-most deflectable finger 302d 1 forms a single, rectangular finger configured to engage a backspan or crown of the distal-most clip “C1” and nest between the spaced apart prongs 304d 1 , 304d 2 (FIG. 5) of cartridge clip pusher bar 304, as discussed below.
- a pair of channels 302f are disposed or formed on either side of the distal-most finger 302d 1 and are configured to selectively receive engage each of the spaced apart prongs 304d 1 , 304d 2 (FIG.
- Each of the remaining proximal deflectable fingers 302d define a V-shaped configuration adapted to engage opposing sides of a backspan of each remaining clip of the stack of surgical clips “C” , as illustrated in FIGS. 4 and 5.
- clip tray 302 further includes a pair of spaced apart, distally extending resilient deflectable prongs 302e projecting up from the distal end of base wall 302a and into lower clip channel 302c 1 at a location between side rails 302 1 .
- Each of the prongs 302e is spaced apart such that they are in slidable engagement with a surface of a respective leg of the distal-most clip “C1” .
- Prongs 302e are dimensioned to engage the legs of the distal-most clip “C1” and frictionally press the distal-most clip “C1” against each side rail 302b 1 , such that prongs 302e help to prevent the distal-most clip “C1” , proximal to the distal-most clip “C1” , from advancing distally past prongs 302e when the distal-most clip “C1” is being loaded into the pair of jaws 120.
- the biasing force provided by the prongs 302e is overcome when the distal-most clip “C1” is urged distally by the cartridge clip pusher bar 304, and once the distal-most clip “C1” has been loaded into the pair of jaws 120, each of the prongs 302e returns to their initial position to prevent the next clip “C” from advancing any further.
- Clip cartridge assembly 300 includes, as shown in FIGS. 6-9, a cartridge clip pusher bar 304 slidably disposed between and within the pair of spaced apart upper side walls or rails 302b 2 of clip tray 302.
- Cartridge clip pusher bar 304 includes a proximal end 304a engagable with or by a distal end of a cartridge pusher rod or shaft 306 (FIGS. 2 and 6) , as will be described in greater detail below.
- Cartridge clip pusher bar 304 further includes a distal end portion 304b defining a pusher 304d configured to engage a distal-most clip “C1” of a stack of surgical clips “C” for loading the distal-most clip “C1” into the pair of jaws 120 of clip applier 100.
- Pusher 304d includes, as described above, a pair of spaced apart prongs 304d 1 , 304d 2 (FIGS. 5, 7 and 9) configured to engage a backspan of the distal-most clip “C1” , as illustrated in FIGS. 3 and 5.
- cartridge clip pusher bar 304 further includes a linear array of distally extending resilient, deflectable fingers 304e, with each finger 304e defining a rectangular profile including a distal shoulder 304f disposed on a distal end thereof, which shoulder extends substantially parallel to base wall 302a of clip tray 302.
- each of the deflectable fingers 302d of clip tray 302 is disposed axially between each deflectable finger 304e of cartridge clip pusher bar 304, such that each of deflectable fingers 302d, 304e are arranged in a tandem configuration when the clip pusher bar 304 is in a proximal position relative to clip tray 302.
- each deflectable finger 304e of cartridge clip pusher bar 304 extends across clip channel 302c 1 of clip tray 302 such that distal shoulders 304f of deflectable fingers 304e are in axial planar registration with the stack of surgical clips “C” .
- the V-shaped configuration of the proximal deflectable fingers 302d of clip tray 302 permits each proximal deflectable finger 304e of the cartridge clip pusher bar 304 to nest within the V-shape of the proximal deflectable fingers 302d such that distal shoulders 304f of deflectable fingers 304e engage a backspan of each of the remaining surgical clips of the stack of surgical clips “C” as the cartridge clip pusher bar 304 is driven distally.
- clip cartridge assembly 300 further includes a stack of surgical clips “C” interposed between clip tray 302 and cartridge clip pusher bar 304.
- the stack of surgical clips “C” is supported on or loaded in clip tray 302 such that a crown or backspan of each surgical clip “C” is disposed distal of a respective deflectable finger 302d of clip tray 302.
- each deflectable finger 304e of cartridge clip pusher bar 304 is also disposed proximal of the crown or backspan of a respective clip of the stack of surgical clips “C” as discussed above.
- Clip cartridge assembly 300 may be loaded with 10 surgical clips “C” , or, in embodiments, clip cartridge assembly 300 may be loaded with any number of surgical clips C” , provided clip cartridge assembly 300 and channel assembly 108 or 208 are appropriately configured and dimensioned.
- Surgical clips “C” may be fabricated from materials know by those skilled in the art, including and not limited to stainless steel, titanium, or other metal alloys. In an embodiment it is contemplated that at least a final surgical clip of the stack of surgical clips “C” may be dyed a particular color to indicate to the user when a final surgical clip of clip cartridge assembly 300 is loaded into the pair of jaws 120.
- a channel cover (not shown) , configured and adapted for connection and support on clip tray 302, may be snapped into engagement with lower rails 302b 1 of clip tray 302, or, for example, outer channel 132 of channel assembly 108, such that the channel cover is detachably secured thereto.
- clip cartridge assembly 300 includes a cartridge pusher rod or shaft 306 slidably supported within clip tray 302.
- Cartridge pusher rod 306 includes a distal end connected to a proximal end of cartridge clip pusher bar 304, and a proximal end fixedly connected to a drive sled 308 with drive sled 308 being slidably supported within clip tray 302.
- Clip cartridge assembly 300 includes a biasing member 310 disposed about cartridge pusher rod 306 and interposed between a distal stop block 312a and drive sled 308.
- a proximal stop block 312b is provided near proximal end of clip tray 302 to limit movement of drive sled 308.
- the distal end of cartridge pusher rod 306 extends distally past distal stop block 312a for engagement with the proximal end of cartridge clip pusher bar 304.
- handles 106 effect actuation of a drive bar or channel 112 (FIGS. 3, 5 and 12) of handle assembly 102 to move drive bar or channel 112 in an axially distal direction.
- drive bar or channel 112 As drive bar or channel 112 is moved in a distal direction drive bar or channel 112 engages, abuts or acts on drive sled 308 to move drive sled 308 in a distal direction.
- drive sled 308 acts on cartridge clip pusher bar 304 to distally advance cartridge clip pusher bar 304, and effectuates compression of biasing member 310 to a biased condition.
- clip cartridge assembly 300 is available to be loaded into channel assembly 108.
- Clip cartridge assembly 300 may be frictionally retained within channel assembly 108, retained within channel assembly 108 by a snap-fit connection, or some other connecting arrangement known by one of skill in the art, for example, such as by detents, lips, or wings.
- wings extending along the side edges of outer channel 132 of channel assembly 108 and extending towards one another snap over or otherwise engage the lateral sides of clip tray 302 such that clip tray 302, and therefore, clip cartridge assembly 300, are detachably secured thereto.
- clip applier 100 is illustrated with clip cartridge assembly 300 loaded in channel assembly 108 (as described above) .
- the operation of clip applier 100 is substantially similar to that of the exemplary clip applier referenced hereinabove in U.S. Patent Application Publication No. 2014/0194903, and therefore, in the interest of brevity, only the differences therebetween will be discussed hereinbelow.
- drive bar or channel 112 of handle assembly 102 As the drive bar or channel 112 of handle assembly 102 is distally advanced, due to an actuation of handles 106, the drive bar or channel 112 acts on drive sled 308 of cartridge assembly 300 to move drive sled 308 in a distal direction. As drive sled 308 is moved in a distal direction, drive sled 308 acts on cartridge clip pusher bar 304 to distally advance cartridge clip pusher bar 304 by an amount or distance “X” , and effectuates compression of biasing member 310 to a biased condition.
- cartridge clip pusher bar 304 of clip cartridge assembly 300 As cartridge clip pusher bar 304 of clip cartridge assembly 300 is moved in a distal direction, as shown in FIGS. 13 and 14, the spaced apart prongs 304d 1 , 304d 2 of pusher 304d of cartridge clip pusher bar 304 engages the backspan of distal-most clip “C1” and pushes distal-most clip “C1” distally, by the amount or distance “X” , out of clip cartridge assembly 300 and into the pair of jaws 120.
- the distal movement of the distal-most clip “C1” compresses each of the spaced apart prongs 302e of the clip tray 302, thereby permitting the distal-most clip “C1” to be loaded within the pair of jaws 120, as described above.
- the prongs 302e return to their initial position and prevent the clips “C” , proximal to the distal-most clip “C1” , from advancing further distally.
- distal shoulder 304f of each finger 304e of cartridge clip pusher bar 304 abuts against a respective backspan of a respective surgical clip of the remaining surgical clips “C” to also urge the remaining surgical clips “C” in a distal direction, by the amount or distance “X” .
- fingers 302d of the clip tray 302 are deflected, permitting each of the remaining surgical clips “C” to advance distally to replace each respective surgical clip of the stack of surgical clips “C” .
- distal advancement of cartridge clip pusher bar 304 is completed, distal advancement of the stack of surgical clips “C” is also completed. Once the clips of the remaining stack of surgical clips “C” has distally advanced beyond respective fingers 302d of clip tray 302, fingers 302d of clip tray 302 spring back or return to their original position, thereby preventing each surgical clip “C” from any movement thereafter in a proximal direction.
- Cartridge clip pusher bar 304 distally advances the remaining surgical clips “C” until each remaining surgical clip “C” is advanced distally, by the amount or distance “X” , past a next adjacent resilient, deflectable finger 302d of clip tray 302.
- a release or reversing mechanism (not shown) of handle assembly 102 is actuated to effectuate a reversal of the direction of travel of the drive bar or channel 112 of handle assembly 102, from the distal direction to a proximal direction.
- the release or reversing mechanism cause the distally directed forces acting on cartridge clip pusher bar 304 to be removed, and thus biasing member 310 is free to re-expand.
- biasing member 310 urges or moves drive sled 308 proximally to thereby withdraw cartridge clip pusher bar 304 proximally.
- proximal surface of fingers 304e thereof abut against a distal surface of the backspans of the remaining surgical clips “C” to also urge the remaining surgical clips “C” in a proximal direction.
- Fingers 304e of cartridge clip pusher bar 304 proximally retract the remaining surgical clips “C” until each remaining surgical clip “C” is retracted, by an amount or distance less than “X” (e.g., “X–Y” ) , into contact with a respective distal tip of a respective resilient, deflectable finger 302d of clip tray 302, which blocks or stops further proximal retraction of the remaining surgical clips “C” , while cartridge clip pusher bar 304 continues to move proximally to the proximal-most position thereof, e.g., an amount or distal “X” .
- X e.g., “X–Y”
- cartridge clip pusher bar 304 continues to be drawn proximally, concurrently, the spaced apart prongs 304d 1 , 304d 2 of pusher 304d and fingers 304e of cartridge clip pusher bar 304 are deflected up and over each of the remaining surgical clips “C” until cartridge clip pusher bar 304 returns to a proximal-most position.
- a nose 304g (FIGS. 13 and 16) disposed on a distal-most end of cartridge clip pusher bar 304 is biased towards, and is supported by, an upper surface of a backspan of the distal-most surgical clip “C1” , preventing each of the spaced apart prongs 304d 1 , 304d 2 of pusher 304d from engaging or entering the pair of channels 302f of clip tray 302.
- a jaw closure feature which may surround the pair of jaws 120, e.g., a jaw closing channel or the like (not shown) , may cam the pair of jaws 120 to an approximated or closed position to form the surgical clip loaded therein.
- a jaw closure feature and operation thereof reference may be made to U.S. Patent Application Publication No. 2014/0194903, identified hereinabove, or Attorney Docket: H-EM-00252 (203-10415) , the entire content of which is incorporated herein by reference.
- FIGS. 17 and 18 an exemplary mode of operation of a lockout safety mechanism of surgical clip applier 100 is illustrated.
- the nose 304g of cartridge clip pusher bar 304 is no longer supported by any surgical clip “C” .
- the bias of the distal end 304b of cartridge clip pusher bar 304 downward toward clip tray 302 causes each of the spaced apart prongs 304d 1 , 304d 2 of pusher 304d to engage the pair of channels 302f of clip tray 302.
- any distal movement of the cartridge clip pusher bar 304 e. g., upon an actuation of handles 106 as described above, is inhibited.
- handles 106 cannot be squeezed further beyond an initial amount, and due to the engagement of at least one pawl (not shown) with a rack member (not shown) of handle assembly 102, handles 106 cannot be reopened to any unsqueezed position, thereby locking the cartridge clip pusher bar 304 in place.
- surgical clip applier 100 is capable of loading different surgical clip cartridge assemblies 300 in channel assembly 108.
- channel assembly 108 may be loaded with a surgical clip cartridge assembly 300 that is loaded with a stack of surgical clips “C” having a first size, or channel assembly 108 may be loaded with a surgical clip cartridge assembly 300 that is loaded with a stack of surgical clips “C” having a second size different than the first size.
- the user or surgeon may load a surgical clip cartridge assembly 300, loaded with a particular size of surgical clips, depending on the particular surgical procedure to be performed. Additionally, during a surgical procedure, if the need arises to use a different sized surgical clip, the user or surgeon may eject or unload the surgical clip cartridge assembly 300 that is loaded in channel assembly 108 and then load a new surgical clip cartridge assembly 300 (having a different sized stack of surgical clips loaded therein as compared to the unloaded surgical clip cartridge assembly 300) into channel assembly 108.
- a surgical kit including a surgical clip applier 100 and a plurality of clip cartridge assemblies 300 including at least a first set of clip cartridge assemblies loaded with a stack of surgical clips having a first size and a second set of clip cartridge assemblies loaded with a stack of surgical clips having a second size different than the first size.
- the kit may include instructions for the assembly or surgical clip applier 100, the use of surgical clip applier 100, and the processing of surgical clip applier assembly 100 following use, a surgical clip applier 100 including a single handle assembly 102 and a single clip cartridge assembly 300, and a package, container or box configured to retain the same.
Abstract
L'invention concerne un applicateur (100) d'agrafes chirurgicales qui comprend un boîtier (104) comprenant une barre d'entraînement (112) ; au moins une poignée (106) reliée pivotante au boîtier (104) et conçue pour actionner la barre d'entraînement (112) ; un ensemble canal (108) s'étendant de manière distale depuis le boîtier (104) ; un ensemble cartouche d'agrafes (300) pouvant être chargé de manière sélective dans l'ensemble canal (108). L'ensemble cartouche d'agrafes (300) est en communication mécanique avec la ou les poignées (106) et comprend un plateau à agrafes (302) conçu pour pouvoir être sélectivement chargé dans l'ensemble canal (108) de l'applicateur (100) d'agrafes chirurgicales.
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PCT/CN2015/082199 WO2016206015A1 (fr) | 2015-06-24 | 2015-06-24 | Applicateur d'agrafes chirurgicales avec mécanisme d'alimentation en agrafes multiple |
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PCT/CN2015/082199 WO2016206015A1 (fr) | 2015-06-24 | 2015-06-24 | Applicateur d'agrafes chirurgicales avec mécanisme d'alimentation en agrafes multiple |
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EP3398525A1 (fr) * | 2017-05-04 | 2018-11-07 | Covidien LP | Applicateur d'agrafes chirurgicales multitirs réutilisables |
WO2019089300A3 (fr) * | 2017-10-30 | 2019-07-04 | Ethicon Llc | Applicateur d'agrafes chirurgicales doté d'un système de verrouillage de cartouche d'agrafes vide |
US10349950B2 (en) | 2004-10-08 | 2019-07-16 | Covidien Lp | Apparatus for applying surgical clips |
US10363045B2 (en) | 2007-03-26 | 2019-07-30 | Covidien Lp | Endoscopic surgical clip applier |
EP3476339A3 (fr) * | 2017-10-30 | 2019-07-31 | Ethicon LLC | Applicateur d'agrafes chirurgicales comprenant un verrouillage de cartouche d'agrafes vide |
US10368876B2 (en) | 2015-01-15 | 2019-08-06 | Covidien Lp | Endoscopic reposable surgical clip applier |
US10391299B2 (en) * | 2017-03-30 | 2019-08-27 | Medtronic, Inc. | Interventional medical systems for therapy delivery in extracardiovascular spaces and associated tools and methods |
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