CN106102618A - Surgical fastener applies apparatus - Google Patents
Surgical fastener applies apparatus Download PDFInfo
- Publication number
- CN106102618A CN106102618A CN201480076407.0A CN201480076407A CN106102618A CN 106102618 A CN106102618 A CN 106102618A CN 201480076407 A CN201480076407 A CN 201480076407A CN 106102618 A CN106102618 A CN 106102618A
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- China
- Prior art keywords
- trigger
- tooth bar
- drive mechanism
- handle casing
- biasing member
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
- A61B2017/0648—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of surgical fastener applies apparatus and includes Handleset.Handleset includes handle casing, trigger, drive mechanism and trigger gigback.Trigger gigback includes tooth bar and biasing member.Tooth bar is arranged in handle casing and is removably couplable to drive mechanism.Biasing member has and is connected to the first end of tooth bar and the second end engaging against with the top inner surface of handle casing.Trigger never actuation configuration moves to the actuating of the mobile driving drive mechanism of actuation configuration, and the motion driving tooth bar that activates of drive mechanism makes trigger be resiliently biased to non-actuation configuration with compression biasing member between tooth bar and the top inner surface of handle casing.
Description
Technical field
The present invention relates to surgical instruments, equipment and/or the system for performing surgical procedure and using method thereof.More specifically
Ground, the present invention relates to surgical fastener bringing device, equipment and/or the system for performing surgical procedure, and it optionally may be used
It is mounted with and comprise the disposable of absorbable or permanent surgical fastener and or can re-use load units.
Background technology
Various surgical procedures are required to that securing member is applied to tissue and connect to form tissue or object is fixed to group
The apparatus knitted.For example, usually expect net is fastened to bodily tissue during hernia is repaired.Some hernia (such as direct inguinal hernia or
Oblique hernia) in, a part for intestines is prominent to form hernical sac by the defect in stomach wall.Open surgery program patch can be used to lack
Damage, wherein manufacture bigger otch and by being sewn to the outside Guan Bi hernia of stomach wall.Opening in stomach wall for the net suture attachment
On to provide reinforcement.
Wicresoft's (for example, endoscope or laparoscope) surgical procedure is presently available for repairing hernia.In laparoscopic procedure, at abdomen
Portion performs operation by little otch, and in endoscopic procedure, by the narrow endoscope of the little otch insertion in health
Pipe or sleeve pipe perform operation.Laparoscope and endoscopic procedure generally use long and narrow apparatus, and it is remote that it can reach in health
Distance areas and be configured to inserting their otch of being passed through or the seal of tube.Further it is necessary to can at a distance (also
It is, from the outside of health) activate apparatus.
It is presently used for Minimally Invasive Surgical Technology use surgical fastener (for example, surgical staples, staple and clip) that hernia is repaired
Net is fixed to tissue to provide the structure strengthening and be used for promoting tissue ingrowth.Surgical fastener is often through elongated device
Tool is applied to be transported to net, and is manipulated by from the outside of body cavity.
In some programs, it may be necessary to permanent fastener, and in other programs, it may be necessary to biological absorbable fastens
Part, or simultaneously need to.Therefore, laparoscope or endoscopic instrument are typically mounted with permanent fastener or biological absorbable fastening
Part.In addition, these laparoscopes or endoscopic instrument are typically disposed after surgical procedure.
Need to be easier to cleaning, there is the weight of reduction and there is the endoscope simplifying design or laparoscopic surgery sets
Standby.
Content of the invention
The present invention relates to the surgical device for performing surgical procedure.Surgical device optionally can be able to be inhaled with being mounted with
Receive or the load units of permanent surgical fastener connects.
According to aspects of the present invention, a kind of surgical fastener is provided to apply apparatus.Described surgical fastener applies instrument bag
Include Handleset and can be operatively connected to the load units of described Handleset.Described Handleset includes handle casing,
It is operably linked to the trigger of described handle casing, be arranged in the drive mechanism in described handle casing and trigger returns machine
Structure.
Described handle casing proximally extends to far-end and limits longitudinal axis betwixt.Described drive mechanism is arranged in institute
State in handle casing and can be by described trigger-acted.Described trigger gigback is arranged in described handle casing and couples
To described drive mechanism.Described trigger gigback includes tooth bar and biasing member.Described tooth bar is arranged in described handle casing
Near-end in and be removably couplable to described drive mechanism.Described biasing member has the first end being connected to described tooth bar
Portion and the second end engaging against with the top inner surface of described handle casing make described biasing member vertical relative to described
Axis extends transversely with.Described trigger never actuation configuration moves to actuation configuration and drives the actuating of described drive mechanism, institute
State drive mechanism activate the motion driving described tooth bar with described tooth bar and described handle casing top inner surface it
Between compress described biasing member and make described trigger be resiliently biased non-actuation configuration.
In an embodiment, described trigger gigback can also include the bar being connected to the first end of described tooth bar.Institute
State biasing member to wind around described bar.Described biasing member can have the of the second end extending beyond described bar
Two ends.Described bar can be fixed with the near-end of described handle casing and described tooth bar can be slidably engaged into described bar and make
During the described trigger of proper actuating, described tooth bar and described biasing member slide relative to described bar.
At some aspects of the present invention, described tooth bar can include the gear type curved surfaces gear with described drive mechanism
The gear type linear surface connecting.Described drive mechanism by described trigger-acted when described drive mechanism described gear type arc
The rotation on shape surface can make described tooth bar translate along described gear type curved surfaces.
In certain embodiments, the top inner surface of described handle casing can include lateral extensions.Described bias structure
The second end of part can be fixed by described lateral extensions so that stop the motion of the second end of described biasing member.
It is contemplated that, described Handleset can also include the rotatable drive shaft being connected to described drive mechanism.Institute
State drive mechanism described trigger and described drive shaft can be interconnected.
In an embodiment, described load units can include outer tube, and described outer tube has proximally and distally and betwixt
Limit inner chamber.Inner tube can be pivotally supported in described outer tube.Said inner tube can limit be disposed for arranging multiple
The inner chamber running through of surgical fastener.The far-end of said inner tube can include being defined as to relative to longitudinally extending slot mouth, become
To relatively longitudinally extend tine.Described outer tube can have the helical thread being arranged in its inner chamber.Each surgery fastens
Part can include threaded body part, and be defined as to relatively radially external screw thread and the paired head relatively radially caving in
Point.The paired radial depressions of each head part can receive the corresponding tine of said inner tube.Each head portion paired
Relatively radially external screw thread can highlight and engage the spiral shell of described outer tube from the paired relative longitudinally extending slot mouth of said inner tube
Rotation shape screw thread.
According to a further aspect in the invention, a kind of surgical fastener is provided to apply the embodiment of apparatus.Described surgery fastens
Part applies apparatus and includes Handleset, is configured to be rotatably engaged the cuff of the far-end of described Handleset, and optional
It is connected to property the load units of the far-end of described cuff.Described Handleset includes handle casing, is operably connected to institute
State the trigger of handle casing, and be arranged in the drive mechanism in described handle casing.
Described handle casing proximally extends to far-end and limits longitudinal axis betwixt.Described drive mechanism is arranged in institute
State in handle casing and can be by described trigger-acted.Described drive mechanism includes having the cone tooth being formed at notch therein
Wheel.Locking mechanism extends through described cuff from the far-end of described handle casing.
Described locking mechanism includes the tooth bar that is supported in described handle casing and rotatable axle translatablely.Described can
The axle rotating has and supports the first gear of being connected on its proximal end and with described rack pinion and support on its distal end simultaneously
And it is rotatably connected to the second gear of described cuff.The rotation of described cuff makes described rotatable axle rotate with in locking
Described tooth bar is translated between position and unlocked position.In latched position, described tooth bar is arranged in the notch of described bevel gear
Make to stop the rotation of described bevel gear.The outside of the notch being arranged in described bevel gear at unlocked position, described tooth bar makes
Obtain described bevel gear rotatable.
In an embodiment, when described trigger is in non-actuation configuration, described tooth bar and described notch can be with coaxial alignments.
In some aspects of the invention, in described Handleset can also include being arranged in described handle casing and join
Receive the trigger gigback of described drive mechanism.Described trigger gigback can include tooth bar and biasing member.Described tooth
In bar can be arranged in the near-end of described handle casing and be removably couplable to described drive mechanism.Described biasing member can
Engage against to have the first end of the tooth bar being connected to described gigback and the top inner surface with described handle casing
The second end described biasing member is extended transversely with relative to described longitudinal axis.Described trigger never actuation configuration moves
To the movement of actuation configuration compress between the tooth bar and the top inner surface of described handle casing of described gigback described partially
Pressure component makes described trigger be resiliently biased non-actuation configuration.
In an embodiment, described trigger gigback can also include the first end being connected to the tooth bar of described gigback
The bar in portion and described biasing member can wind around described bar.Described biasing member can have and extends beyond described bar
The second end of the second end.Described bar can fix with the near-end of described handle casing and the tooth bar of described gigback can
Make described tooth bar and described biasing member when activating described trigger sliding relative to described bar to be slidably engaged into described bar
Dynamic.
It is contemplated that the tooth bar of described gigback can include the gear type curved surfaces gear with described drive mechanism
The gear type linear surface connecting.Drive mechanism by described trigger-acted when described drive mechanism rotation can make described in return
The tooth bar going back to mechanism translates along described gear type curved surfaces.
In a further embodiment, the top inner surface of described handle casing can include lateral extensions.Described bias
The second end of component can be fixed by described lateral extensions so that stop the motion of the second end of described biasing member.
In some aspects of the invention, described drive mechanism can also include the first little gear being connected to described trigger
And it is spaced and is connected to the two pinion of the tooth bar of described gigback with described first little gear.
Below with reference to the accompanying drawings it is more fully described other details and the aspect of the exemplary embodiment of the present invention.
Brief description
Herein with reference to accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is the perspective view of the exemplary embodiment that the surgical fastener according to the present invention applies apparatus；
Fig. 2 is that the surgical fastener shown in Fig. 1 applies the perspective of apparatus, sectional view；
Fig. 3 is that part is removed, the surgical fastener shown in Fig. 2 applies the amplification of apparatus, sectional view；
Fig. 4 is that part is removed, the surgical fastener shown in Fig. 2 applies the amplification of apparatus, sectional view；
Fig. 5 is that surgical fastener that obtained by the section line 5-5 of Fig. 1, shown in Fig. 1 applies the side-looking of apparatus, horizontal stroke
Sectional view；
Fig. 6 is outer tube to be removed with coil from it, is shown as the surgery shown in that surgical fastener separates from it, Fig. 1
Securing member applies the perspective view of the load units of apparatus；
Fig. 7 is outer tube and coil to be removed from it, is shown as surgical fastener is loaded in shown in therein, Fig. 1
Section's securing member applies the perspective view of the load units of apparatus；
Fig. 8 is the load units that surgical fastener that obtained by the section line 8-8 of Fig. 1, shown in Fig. 1 applies apparatus
Cross-sectional view, illustrate surgical fastener apply apparatus firing stroke during load units；
Fig. 9 is the exemplary embodiment for the surgical fastener in surgical fastener applying apparatus according to the present invention
Perspective view；
Figure 10 is the side-looking of the surgical fastener shown in Fig. 9, elevation；And
Figure 11 is the diagram of the surgical fastener by the present invention in position for Surgical indication.
Detailed description of the invention
Presently disclosed surgical fastener is described in detail by referring to the drawings and applies the embodiment of apparatus, wherein similar accompanying drawing
Identical or corresponding element in each of the some views of mark sign.Term " distally " refers to as use alpha nerein
Surgical fastener applies those parts farther from user of apparatus, and term " nearside " refers to surgical fastener and applies apparatus
Those parts closer to the user.
Referring now to Fig. 1-8, the surgical fastener in surgical staples applicator or the form of staplers applies apparatus generally
It is shown as 200.Nail applicator 200 includes Handleset 210, and the cuff 280 from Handleset 210 extend removable elongated
Load units 300 (the load units SULU that for example, single uses).Load units 300 is configured with loading or is packaged in
Multiple nail therein 100 (Fig. 9-11) and the actuating via trigger 214 are optionally released from or fire multiple nail 100.
As shown in figures 1-5, Handleset 210 includes handle casing 212, trigger 214, and by handle casing 212 He
The cuff 280 of load units 300 interconnection.Handle casing 212 proximally 213 extends to far-end 215 and limits between the two
Longitudinal axis " L ".Handle casing 212 can remove slidably by lower hollow main part 212a with from hollow body part 212a
Top divide 212b to be formed.The hollow body part 212a of handle casing 212 and top divide 212b can use art technology
Known to personnel, method connects slidably each other.The hollow body part 212a of handle casing 212 and top divide the 212b can be with that
This connection makes to provide fluid tight to seal betwixt.The hollow body part 212a of handle casing 212 limits has free end
The fixed handle part 216 of 216a.
Handleset 210 also includes for activating surgical fastener (for example, following closely 100) from the percussion of load units 300
Trigger 214.Trigger 214 has the bottom of the free end 216a being pivotally coupled to handle portion 216 at pivoting point " P " place
214a.Bottom 214a includes being disposed for being pivotally engaged in the slit of the free end 216a of fixed handle part 216
Paired extend laterally pin 214c.Trigger 214 includes when trigger 214 is in extension or non-actuation configuration and fixed handle portion
Divide the 216 top 214b keeping at a certain distance away.The top 214b of trigger 214 includes trigger tooth bar 218, and it is arranged at least in part
In handle casing 212 and be designed to and be suitable for translational motion is converted into rotary motion.Trigger tooth bar 218 includes at it
Multiple gear teeth 218a on upper surface, it is disposed for engaging joint with the gear teeth of gear train 220.
As seen in figs. 2-5, Handleset 210 supports operationally or is rotatably disposed within handle casing 212
Drive mechanism or gear train 220.Trigger tooth bar 218 interconnection of rotatable drive shaft 270 and trigger 214 is made by gear train 220
When actuated triggers 214, drive shaft 270 is actuatable.
Gear train 220 includes the first gear 222 and is spaced and is nonrotatably coupling to the first tooth with the first gear 222
Second gear 224 of wheel so that the first and second gears are the 222nd, 224 rotatable together.First gear 222 can be in little gear etc.
Form, it has the multiple gear teeth being formed along its radially outward edge and nibbles with the gear teeth 218a of trigger tooth bar 218
Splice grafting closes the rotation fortune making the translational motion of the trigger tooth bar 218 starting when actuated triggers 214 be converted into the first gear 222
Dynamic.Second gear 224 also can form in little gear etc., it has the multiple gear teeth being formed along its radially outward edge simultaneously
And the gear teeth of the tooth bar 242 with trigger gigback 240 engages joint, as described in further detail below.
Gear train 220 also includes bevel gear 230, and it non-rotatably engages/be associated with the second gear of gear train 220
224 make bevel gear 230 the 222nd, 224 rotatable with the first and second gears.In certain embodiments, bevel gear 230 is permissible
Form in crown gear etc..The little gear 276 that bevel gear 230 is disposed for drive shaft 270 engages joint, as following enter
One step is described in detail.Bevel gear 230 has the notch 232 (Fig. 3 and 4) being formed in its outer surface, and it forms locking mechanism
The parts of 290, as described in further detail below.
With continued reference to Fig. 2-5, in Handleset 210 also includes being arranged in handle casing 212 and be connected to gear train 220
Trigger gigback 240.Trigger gigback 240 is designed to and is suitable for be resiliently biased to not activate by trigger 214 join
Put so that trigger 214 can return to non-actuation configuration from actuation configuration exerts a force to trigger 214 without user.
Trigger gigback 240 includes tooth bar the 242nd, biasing member 250 and bar 260.Tooth bar 242 is arranged in handle casing
In the near-end 213 of 212 and be removably couplable to the second gear 224 of gear train 220.Tooth bar 242 is from first end 242a
Extend to the second end 242b.Tooth bar 242 limits the first wall 244a, the second wall 244b and the 3rd wall 244c.First wall 244a bag
Include and there is the first section of generally square configuration and second section with general triangular configuration.First wall 244a has
Side and the second side.In an embodiment, the first wall 244a can have variously-shaped, and for example, specifically described herein those are optional
Shape.The fixed gear type linear surface 246 extending along its length of first lateral spacing of the first wall 244a.Gear type linear surface
246 are connected so that the rotation of the second gear 224 with the gear type arc-shaped outer surface 224a gear of the second gear 224 of gear train 220
The gear type arc-shaped outer surface 224a turning the tooth bar 242 making trigger gigback 240 along the second gear 224 moves or translates.
Second side of the first wall 244a is connected to the second wall 244b to be approximately vertically oriented.3rd wall 244c is connected to the first and second walls
The slip arrangement that the near-end 242a of 244a, 244b and restriction are disposed for bar 260 is passed through opening 248 therein.
As described above, trigger gigback 240 includes biasing member, such as spring 250, and bar 260.Bar 260 is slidably
It is arranged in the opening 248 of the 3rd wall 244c of tooth bar 242.Bar 260 is from the near-end 213 fixedly connecting to the handle shell 212
First end 262 extend to the second end 264 make when actuated triggers 214 hour rack 242 relative to and sliding along bar 260
Dynamic, as described herein.Bar 260 angled relative to the longitudinal axis " L " of handle casing 212 (that is, horizontal) extend make its
212b is divided against the top of handle casing 212 in two ends 264.
Spring 250 wind around bar 260 and have support, against or be connected to the 3rd of tooth bar 242 in another manner
The first end 252 of wall 244c.The second end 254 of spring 250 extends beyond the second end 264 certain distance of bar 260.Bullet
The second end 254 of spring 250 and the top of handle casing 212 divide the top inner surface 217 of 212b to engage against.Handle casing
The top inner surface 217 of 212 includes lateral extensions or hub 217a, and it is configured to the second end of capture or fixing spring 250
254 make the second end 254 stoping spring 250 move relative to handle casing 212.
In use, by rotating trigger 214 in the side being indicated by the arrow " A " in Fig. 3 upward around pivoting point " P "
Upper end 214b, trigger 214 never actuation configuration moves to actuation configuration.Trigger 214 never actuation configuration rotates to actuation configuration
Translational motion via trigger tooth bar 218 is converted into the rotary motion of the first gear 222 of gear train 220 and gear train
The actuating of 220.When the first gear 222 rotates, owing to the second gear 224 is connected with the first the non-rotatable of gear 222, the
Two gears 224 also rotate.The rotation of the second gear 224 is via the gear type linear surface 246 of trigger gigback 240 and gear
Be 220 the second gear 224 between connect drive trigger gigback 240 tooth bar 242 relative to along bar 260 by
The motion on direction that arrow " B " in Fig. 3 indicates or translation.The tooth bar 242 of trigger gigback 240 putting down along bar 260
Move cause spring 250 first end 252 with translation with the top at the 3rd wall 244c of tooth bar 242 and handle casing 212
Compression spring 250 between the lateral extensions 217a of the top inner surface 217 of part 212b.
Under compression, trigger 214 is resiliently biased to non-actuation configuration by spring 250.So, when user's release is pulled
During machine 214, spring 250 divides between the lateral extensions 217a of 212b and the 3rd wall 244c of tooth bar 242 axially swollen at top
Swollen with translating rack 242 on the direction being indicated by the arrow " C " in Fig. 3.The translation of tooth bar 242 causes the of gear train 220
Two gears 224 and and then the accompanying rotation of the first gear 222 of gear train 220.The rotation of the first gear 222 of gear train 220
Transduction cause the accompanying rotation of trigger 214 on the direction being indicated by the arrow " D " in Fig. 3 with by trigger 214 from actuation configuration
Return to non-actuation configuration.As a result, it is possible to achieve trigger 214 is continued be actuated into non-actuation configuration without by trigger 214
Manually move back to non-actuation configuration from actuation configuration.And, trigger 214 can be by acting on removing of nail applicator 200
The biasing member of the parts outside trigger 214 moves back to non-actuation configuration from actuation configuration.
With continued reference to Fig. 2-5, staplers 200 includes rotatable drive shaft 270, its cross over cuff 280 near-end and
Far-end is the 282nd, between 284.Drive shaft 270 has near-end 272 and far-end 274.The near-end 272 of drive shaft 270 is arranged in outside handle
In the far-end 215 of shell 212.Drive shaft 270 includes gear, for example, is non-rotatably arranged in the little gear at its near-end 272
276.The far-end 274 of drive shaft 270 couples with the near-end of load units 300.When actuated triggers 214, drive shaft 270 will be from
The moment of torsion of bevel gear 230 is delivered to load units 300 to fire nail 100 from load units 300.
In use, when actuated triggers 214, bevel gear 230 rotates up in the side being indicated by the arrow " E " in Fig. 3
Rotate to drive up drive shaft 270 in the side being indicated by the arrow " F " in Fig. 3.Rotation on direction " F " for the drive shaft 270
Can cause following closely 100 to fire from load units 300, as described in further detail below.
With specific reference to Fig. 1,2 and 5, staplers 200 also includes rotatably and is removably supported upon handle casing 212
Cuff on far-end 215 or collar 280.Cuff 280 limits and the axially aligned distal openings of drive shaft 270 286.Cuff 280
There is the near-end 282 of the far-end 215 being connected to handle casing 212 and the far-end 284 detachably connected with load units 300.
In certain embodiments, load units 300 is fixedly connected to the far-end 284 of cuff 280.
With continued reference to Fig. 2-5, staplers 200 also includes the locking mechanism 290 extending from the far-end 215 of handle casing 212.
When accidental activation trigger 214 locking mechanism 290 optionally locking teeth train 220 with stop and/or anti-non-magnetic shim 100 from loading
Unit 300 fires, and allows load units 300 to be connected to Handleset 210/ to depart from from Handleset 210.
Locking mechanism 290 includes tooth bar 292 and rotatable axle 294.The tooth bar 292 of locking mechanism 290 has substantial line
Property configuration and translatable be arranged in handle casing 212.The tooth bar 292 of locking mechanism 290 is relative to handle casing 212
Longitudinal axis " L " is substantially vertically disposed.When trigger 214 is in non-actuation configuration locking mechanism 290 tooth bar 292 and cone tooth
The notch 232 limiting in wheel 230 is coaxially aligned with each other, as shown in Figure 3.So, when trigger 214 is in non-actuation configuration,
Tooth bar 292 can be translated into and leave in bevel gear 230 notch 232 limiting.
The axle 294 of locking mechanism 290 is parallel with rotatable drive shaft 270 relative to the longitudinal axis of handle casing 212 " L "
Ground extends.Axle 294 has the first gear 296a supporting on its proximal end and the second gear 296b supporting on its distal end.Axle
The first gear 296a of 294 is connected with tooth bar 292 gear of locking mechanism 290 so that the rotation of axle 294 of locking mechanism 290 is driven
Translation on the direction of " L " substantially perpendicular to longitudinal axis for the tooth bar 292 of dynamic locking mechanism 290.Second gear 296b of axle 294
With the inside of cuff 280, arc gear wheel surface 288 is rotatably connected so that the rotation of cuff 280 causes the axle of locking mechanism 290
The accompanying rotation of 294.
In use, for optionally locking nail clutch 200, when trigger 214 is in non-actuation configuration completely, by
On the direction that arrow " G " in Fig. 5 indicates rotate cuff 280, this via the inside of cuff 280, arc gear wheel surface 288 and lock
The engagement of the second gear 296b determining the axle 294 of mechanism 290 engages the accompanying rotation of the axle 294 causing locking mechanism 290.Locking
The rotation of the axle 294 of mechanism 290 causes the adjoint translation of tooth bar 292.As described above, join when trigger 214 is in not activate completely
The tooth bar 292 of locking mechanism 290 when putting and notch 232 coaxial alignment of restriction in bevel gear 230.Thus, at trigger 214
The notch 232 of bevel gear 230 can be only translated into and leave in completely non-actuation configuration hour rack 292.In latched position,
The tooth bar 292 of locking mechanism 290 is captured or is arranged in notch 232 stoping and/or to prevent the rotation of bevel gear 230, and
Therefore 100 percussions from load units 300 are followed closely.And, in latched position, load units 300 may be coupled to Handleset
210/ disconnects from Handleset 210.At unlocked position, the tooth bar 292 of locking mechanism 290 is arranged in the notch of bevel gear 230
The outside of 232 makes the bevel gear 230 when being caused it to activate by the actuating of trigger 214 rotate freely.
Referring now to Fig. 6-8, as shown therein, load units 300 includes outer tube 310, is rotatably disposed within outer tube 310
Interior inner tube 320, the guiding coil being arranged between outer tube 310 and inner tube 320 or spring 330, and be loaded in inner tube 310
Multiple surgical fastener or nail 100.
The outer tube 310 of load units 300 includes proximal part 310a and distal portions 310b, and limits the inner chamber running through
310c.Load units 300 also includes being fixedly placed on the guiding coil at least distal portions 310b of outer tube 310 or spring
330。
Inner tube 320 is rotatably disposed within coil 330.Inner tube 320 includes proximal part 320a and distal portions 320b,
And limit by inner chamber 320c therein.Proximal part 320a non-rotatably couples with the drive shaft 270 of Handleset 210
The rotation making the drive shaft 270 causing as mentioned above via the actuating of trigger 214 causes the rotation of inner tube 320.
Inner tube 320 distal portions 320b fluting, be defined as to relative tine 320b1With paired opposing channel or groove
Mouth 320b2.The distal portions 320b of inner tube 320 can receive multiple nail 100 wherein.Especially, follow closely 100 and be loaded into loading list
Make to follow closely paired opposite thread section 112a of 100 (Fig. 9-11) in unit 300,112b extends through the distal portion of inner tube 320
Divide the corresponding notch 320b of 320b2And being slidably disposed in the groove of coil 330, and the distal portion of inner tube 320
Divide paired tine 320b of 320b1Be arranged in paired fluting section 116a of nail (Fig. 9-11), in 116b.
In use, when inner tube 320 via the actuating of the trigger 214 of Handleset 210 around its longitudinal axis relative to
When coil 330 rotates, paired tine 320b of inner tube 3201Described rotation is delivered to follow closely 100 and due to nail 100 (Fig. 9-
11) spirality head threads 114a, 114b engage with coil 330 and towards distally or proximally advance nail 100.
With reference to Fig. 9-11, as described briefly above, for applying, with surgical fastener, the surgery that apparatus 200 is used together
Securing member is illustrated and is generally designated as to follow closely 100.Nail 100 includes head part 110, and net keeps section 120, and screw-type
Tissue catches section 130.Head part 110 includes having corresponding radial direction, outside, spirality head threads 114a, 114b
Paired opposite thread section 112a, 112b, relative open wide or fluting section 116a, 116b with paired.Head part 110
Distal surface is formed at net and keeps on the near-end of section 120 or be integral with.
The net of nail 100 keeps the far-end from head part 110 for the section 120 or surface to extend and in head part 110
Far-end or surface and tissue catch and extend between the near-end of section 130.Reach more than tissue seizure when nail 100 is screwed in net 140
During the degree of depth of the recent side section of section 130, net keeps section 120 for outside nail 100 locking, anchoring or keeping in another manner
Scientific network 140.It the reason that this is implemented is to keep the screw thread in section 120 owing to being not at net, be positioned at net and keep in section 120
Screw thread permission nail 100 is unscrewed from net 140 or exits.
Net keeps section 120 to have cylinder or cone lateral cross-sectional profile.Net keep section 120 include relative to
The transverse radial size of the central longitudinal axis of nail 100, it is less than the transverse radial size of head part 110, and less than tissue
Catch the transverse radial size of the recent side section of section 130.
The screw-type tissue of nail 100 catches the helical thread that section 130 includes being formed in truncated-cone shaped body section 134
132.Distalis or most advanced and sophisticated 136 restriction farthest side tissues catch the terminal of section 130.
The body section 134 that tissue catches section 130 is taper, i.e. catches the far-end change of section 130 towards rib stitch
Little, and terminated before the summit reaching nail 100 or tip or be truncated to distally point of cut-off.Body section 134 includes concave cone
Shape makes, for designated length, to limit the minimum diameter of body section 134 when it blocks, and it is generally less than 0.01 inch.
Nail 100 includes the lateral dimension of the farthest side screw thread in screw-type tissue seizure section 130, itself and design constraint
By allow equally big or approximately greater than 0.040 inch.According to the present invention, the little big value blocking main diameter and lateral dimension
Tissue press-in is made to minimize.Tissue catches screw thread 132 and terminates at distal tip 136, and it is at the point of cut-off of body section 134
Distally.
By providing the distal tip 136 extending in the distally of the point of cut-off of tissue seizure section 130, it is easy to by nail 100
Penetrate net 140；And compared to the anchoring piece not blocking main body having with tapered thread, by nail 100, net 140 is pressed into relatively
Degree in soft tissue is minimized.
Owing to being applied to the given force of Surgical indication 140 by surgeon, distal force is applied to surgical fastener applicator
On tool or nail applicator 200, as shown in figs.1-8, the lateral dimension of nail 100 is bigger, in order to cause tissue below and surgery
The press-in of net 140 needs the distal force applying less.
Nail 100 is non-hollow and by suitable bioabsorbable material (for example, PLA, PGA) construction.
Nail 100 can by proprietary bio-compatible copolymer (Lactomer USS L1, Boehringer Ingelheim LR 704S, or
Boehringer Ingelheim LG-857) formed.Nail 100 also can be by suitable not-bio-absorbable material or permanent material
Material (for example, stainless steel, titanium etc.) construction.
According to the present invention, the parts of surgical stapler 200 and nail 100 be sized such that trigger 214 single completely
And complete actuating causes single nail 100 to fire from load units 300.
It according to the present invention it is possible to expect to provide multiple different load units 300, is wherein mounted with by different materials
The load units of the surgical fastener that (for example, biological absorbable, permanent etc.) manufactures can be available, or has different long
Degree (for example, short, in, long etc.) load units can be available, wherein length-specific load units is mounted with respective numbers
Surgical fastener.Therefore, depending on particular surgical program (for example, hernia program), surgeon can select to be desired or needed for
Any one or combination of load units, and surgeon can during surgical procedure as required or expectation is exchanged or
Change load units.
In an embodiment, it is contemplated that all load units can have equal length, but is mounted with difference wherein
The surgical fastener of quantity.So, surgeon can depend on that the type selecting of pending surgical procedure is mounted with less
Or the load units of more surgical fastener.
It will be appreciated that various modification can be carried out to embodiment disclosed herein.So, above description should not be explained
For limiting, but as just the illustration of various embodiments.Those skilled in the art will predict and want in appended right
Other modifications in the scope and spirit asked.
Claims (20)
1. a surgical fastener applies apparatus, comprising:
Handleset, described Handleset includes:
Handle casing, described handle casing proximally extends to far-end and limits longitudinal axis between the proximal and distal ends；
Trigger, described trigger is operably linked to described handle casing；
Drive mechanism, described drive mechanism is arranged in described handle casing and can be by described trigger-acted；And
Trigger gigback, described trigger gigback is arranged in described handle casing and is connected to described drive mechanism,
Described trigger gigback includes:
Tooth bar, in described tooth bar is arranged in the near-end of described handle casing and be removably couplable to described drive mechanism；With
And
Biasing member, described biasing member have be connected to described tooth bar first end and with in the top of described handle casing
The second end that surface engages against makes described biasing member extend transversely with relative to described longitudinal axis, wherein said trigger
Never actuation configuration moves to the actuating of the described drive mechanism of mobile driving of actuation configuration, and this drives again the motion of described tooth bar
Make described trigger elastic to compress described biasing member between the top inner surface of described tooth bar and described handle casing
Be biased into non-actuation configuration；And
Can be used to selectively connect to the load units of the far-end of described Handleset, described load units is made into for arranging many
Individual surgical fastener.
2. surgical fastener according to claim 1 applies apparatus, and wherein said trigger gigback also includes slidably
Be arranged through the bar of first end of described tooth bar, described biasing member winds around described bar.
3. surgical fastener according to claim 2 applies apparatus, and the second end of wherein said biasing member extends super
Go out the second end of described bar.
4. surgical fastener according to claim 2 applies apparatus, and wherein said bar is solid with the near-end of described handle casing
Fixed, and wherein when activating described trigger, described tooth bar and described biasing member slide relative to described bar.
5. surgical fastener according to claim 1 applies apparatus, and wherein said tooth bar includes and described drive mechanism
The gear type surface that gear type surface gear connects, wherein described drive mechanism by described trigger-acted when described drive mechanism
The rotation on gear type surface make described tooth bar along the gear type surface translation of described drive mechanism.
6. surgical fastener according to claim 1 applies apparatus, and the top inner surface of wherein said handle casing includes
Lateral extensions, the second end of wherein said biasing member is made to stop described biasing member by described lateral extensions is fixing
The motion of the second end.
7. surgical fastener according to claim 1 applies apparatus, and wherein said Handleset also includes being connected to described
The rotatable drive shaft of drive mechanism.
8. surgical fastener according to claim 7 applies apparatus, and wherein said drive mechanism is by described trigger and described
Rotatable drive shaft interconnects.
9. surgical fastener according to claim 1 applies apparatus, and wherein said load units includes:
Outer tube, described outer tube have proximally and distally and described in being limited to proximally and distally between inner chamber；
Being pivotally supported at the inner tube in described outer tube, said inner tube limits and is disposed for arranging multiple surgical fastener
The inner chamber running through.
10. surgical fastener according to claim 9 applies apparatus, the far-end of wherein said inner tube include being defined as to
The paired relatively longitudinally extension tine of relative longitudinally extending slot mouth.
11. surgical fasteners according to claim 10 apply apparatuses, and wherein said outer tube has and is arranged in its inner chamber
Helical thread, wherein each surgical fastener include threaded body part and be defined as to relatively radially external screw thread and
The head portion of paired relatively radially depressed part, wherein the paired radial depressions portion of each head portion receives said inner tube
Corresponding tine, and paired relatively vertical from said inner tube of the paired relatively radially external screw thread of wherein each head portion
Helical thread that is prominent to extension notch and that engage described outer tube.
12. 1 kinds of surgical fasteners apply apparatus, comprising:
Handleset, described Handleset includes:
Handle casing, described handle casing proximally extend to far-end and described proximally and distally between limit longitudinal axis；
Trigger, described trigger is operably connected to described handle casing；And
Drive mechanism, described drive mechanism is arranged in described handle casing and can be by described trigger-acted, described driving
Mechanism includes having the bevel gear being formed at notch therein；
Cuff, described cuff has proximally and distally, and described near-end is configured to be rotatably coupled to the remote of described Handleset
End；
Locking mechanism, described locking mechanism extends from the far-end of described handle casing and extends to described cuff, described lock
Determine mechanism to include:
It is supported on the tooth bar in described handle casing translatablely；
Rotatable axle, described rotatable axle has the first tooth that support is connected on its proximal end and with described rack pinion
Wheel and the second gear supporting on its distal end and being rotatably connected to described cuff, the rotation of wherein said cuff makes institute
State rotatable axle to rotate to translate described tooth bar between the locked and unlocked positions, at tooth bar cloth described in latched position
Put the rotation making to stop described bevel gear in the notch of described bevel gear, be arranged at tooth bar described in unlocked position described
The outside of the notch of bevel gear makes described bevel gear to rotate；And
The load units of the far-end of described cuff can be used to selectively connect to, described load units be made into for arrange multiple outside
Section's securing member.
13. surgical fasteners according to claim 12 apply apparatus, wherein when described trigger is in non-actuation configuration
Described tooth bar and described notch are coaxially aligned with each other.
14. surgical fasteners according to claim 12 apply apparatuses, in also including being arranged in described handle casing and
Being connected to the trigger gigback of described drive mechanism, described trigger gigback includes:
Tooth bar, in described tooth bar is arranged in the near-end of described handle casing and be removably couplable to described drive mechanism；With
And
Biasing member, described biasing member have the tooth bar being connected to described gigback first end and with described handle outside
The second end that the top inner surface of shell engages against makes described biasing member extend transversely with relative to described longitudinal axis；
Wherein said trigger never actuation configuration moves to the movement of actuation configuration at the tooth bar of described gigback and described hand
Compressing described biasing member between the top inner surface of handle shell makes described trigger be resiliently biased non-actuation configuration.
15. surgical fasteners according to claim 14 apply apparatus, and wherein said trigger gigback also includes sliding
Being arranged through the bar of the first end of the tooth bar of described gigback, described biasing member winds around described bar dynamicly.
16. surgical fasteners according to claim 15 apply apparatus, and the second end of wherein said biasing member extends
The second end beyond described bar.
17. surgical fasteners according to claim 15 apply apparatus, the near-end of wherein said bar and described handle casing
Fixing, and wherein when activating described trigger, described tooth bar and described biasing member slide relative to described bar.
18. surgical fasteners according to claim 13 apply apparatus, and the tooth bar of wherein said gigback includes and institute
State the gear type surface that the gear type surface gear of drive mechanism connects, wherein described drive mechanism by described trigger-acted when
The rotation of described drive mechanism makes the gear type surface translation of the tooth bar of described gigback along described drive mechanism.
19. surgical fasteners according to claim 13 apply apparatus, the top inner surface bag of wherein said handle casing
Including lateral extensions, the second end of wherein said biasing member is stoped described bias structure by fixing the making of described lateral extensions
The motion of the second end of part.
20. surgical fasteners according to claim 13 apply apparatus, and wherein said drive mechanism also includes being connected to institute
State the first little gear of trigger and be spaced and be connected to the second little of the tooth bar of described gigback with described first little gear
Gear.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/072951 WO2015131362A1 (en) | 2014-03-06 | 2014-03-06 | Surgical fastener applying instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106102618A true CN106102618A (en) | 2016-11-09 |
| CN106102618B CN106102618B (en) | 2018-11-27 |
Family
ID=54054369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480076407.0A Expired - Fee Related CN106102618B (en) | 2014-03-06 | 2014-03-06 | Surgical fastener applies instrument |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106102618B (en) |
| WO (1) | WO2015131362A1 (en) |
Cited By (3)
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| CN110269655A (en) * | 2019-06-26 | 2019-09-24 | 北京博辉瑞进生物科技有限公司 | It is a kind of with the repairing fixator for taking nail function |
| CN111601567A (en) * | 2018-01-10 | 2020-08-28 | C.R.巴德公司 | Surgical fastener for articulating surgical instrument |
| CN115005900A (en) * | 2022-08-09 | 2022-09-06 | 生一科技(北京)有限公司 | Minimally invasive surgery instrument assembly and minimally invasive surgery instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150032130A1 (en) | 2013-07-24 | 2015-01-29 | Covidien Lp | Expanding absorbable tack |
| US10531877B2 (en) | 2017-11-09 | 2020-01-14 | Inceptus Medical LLC | Interlocking loop coupling/decoupling system for deploying vascular implant devices |
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| CN115005900A (en) * | 2022-08-09 | 2022-09-06 | 生一科技(北京)有限公司 | Minimally invasive surgery instrument assembly and minimally invasive surgery instrument |
| CN115005900B (en) * | 2022-08-09 | 2022-11-04 | 生一科技(北京)有限公司 | Minimally invasive surgery instrument assembly and minimally invasive surgery instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015131362A1 (en) | 2015-09-11 |
| CN106102618B (en) | 2018-11-27 |
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