CN104306039B - Stapler - Google Patents
Stapler Download PDFInfo
- Publication number
- CN104306039B CN104306039B CN201410578514.5A CN201410578514A CN104306039B CN 104306039 B CN104306039 B CN 104306039B CN 201410578514 A CN201410578514 A CN 201410578514A CN 104306039 B CN104306039 B CN 104306039B
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- Prior art keywords
- main shaft
- guan
- sleeve
- stapler
- sleeve pipe
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1152—Staplers for performing anastomosis in a single operation applying the staples on the outside of the lumen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of stapler, including outer sleeve, transmission main shaft, Guan Bi main shaft, adapter sleeve, ejector pin pipe and Guan Bi display sleeve pipe.The transmission main shaft of this stapler and Guan Bi spindle thread connect, when transmission main shaft rotates, Guan Bi main shaft is driven by transmission main shaft and translates, when the screw thread closing main shaft is fully screwed into transmission main shaft, no longer there is relative motion between Guan Bi main shaft and transmission main shaft, complete the process of Guan Bi.In closing course, Guan Bi main shaft simultaneously drives Guan Bi display sleeve pipe translation, and when Guan Bi completes, alignment pin enters the inside of outer sleeve, limits adapter sleeve and Guan Bi display sleeve rotating.When transmission main shaft continues to rotate, it will make the adapter sleeve threadeded with transmission main shaft carry out horizontal translation thus promote the ejector pin pipe abutted against with adapter sleeve to realize ejector pin action, complete percussion process.The stapler of the present invention, only with a transmission mechanism, need not switching button during Guan Bi and percussion and operates.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of stapler.
Background technology
A kind of medicine equipment that Medical stapler is commonly used when being to perform surgical operation alimentary canal physiological tissue, general
In surgical operation therapy, stapler has been commonly used for the cutting closure function of tissue.Physiological tissue is being implemented " to close by stapler
Close, coincide, cutting " operating process be manually operated or electric operating.Manually operated is to realize nail anvil head in a purely mechanical manner
And the closed action between nail bin and the firing action of anastomosed tissue, percussion process needs huge percussion force just can complete to coincide
The cutting Guan Bi of mouth, the requirement to user is high, and the best apparatus that easily causes that once skill and dynamics are grasped fires not
Move and maybe can only fire half, and percussion force deficiency can affect tissue closure effect, cause cutting Guan Bi not exclusively, ultimately result in hand
Art failure, risk is high.Use electrically operated stapler can solve the problems referred to above, but traditional electrically operated coincide
Device uses two driving motors and two transmission mechanisms, during operation, during Guan Bi and percussion, needs switching button to grasp
Making, the operation causing the electronic stapler of traditional two transmission mechanisms of employing is more complicated.
Summary of the invention
Based on this, it is necessary to the electronic stapler for traditional two transmission mechanisms of employing is closing and during percussion
Need the problem that switching button carries out operating, it is provided that a kind of only with a transmission mechanism and during Guan Bi and percussion not
Switching button is needed to carry out the stapler operated.
A kind of stapler, including:
Outer sleeve, outside is provided with the alignment pin that can enter within outer sleeve；
Transmission main shaft, is positioned in described outer sleeve, relatively rotates with described outer sleeve and coordinates；
Guan Bi main shaft, is positioned at the inside of described transmission main shaft, and described Guan Bi main shaft is threadeded with described transmission main shaft,
Make translation when described Guan Bi main shaft is driven by described transmission main shaft advance or retreat, and described Guan Bi main shaft can be with described transmission master
Axle departs from described threaded；
Adapter sleeve, threadeds with described transmission main shaft；
Ejector pin pipe, is enclosed within outside one end of described transmission main shaft, it is possible to abut against with described adapter sleeve；
Guan Bi display sleeve pipe, is enclosed within outside described transmission main shaft, described Guan Bi main shaft drives translates, with described coupling sleeve
Pipe relatively slides but can not rotate against configuration；
When wherein said Guan Bi main shaft is threadeded with the disengaging of described transmission main shaft, described alignment pin limits described coupling sleeve
Pipe and described Guan Bi display sleeve rotating, described transmission main shaft can drive described adapter sleeve to rotate, described adapter sleeve energy
Described ejector pin pipe is enough driven to translate.
Wherein in an embodiment, the groove that described Guan Bi main shaft is radially provided through, described stapler
Also include that the first spacer pin, described first spacer pin are fixedly connected on described outer sleeve and stretch into described Guan Bi main shaft groove
In to limit described Guan Bi main axis, described groove makes described Guan Bi main along the axially extending certain length of described Guan Bi main shaft
Axle can the most described first spacer pin translation.
Wherein in an embodiment, described outer sleeve includes first sleeve and the second sleeve pipe, described first sleeve and
Described second sleeve pipe realizes abutting or separating by the knob that can finely tune, and the internal two ends of described knob are rightabout spiral shell
Line.
Wherein in an embodiment, described stapler also includes that at least one is in order to limit described first sleeve and described
Second sleeve pipe carries out the second spacer pin in relative rotation, and two ends of described second spacer pin lay respectively at described first sleeve
With in described second sleeve pipe.
Wherein in an embodiment, described Guan Bi display sleeve pipe includes first end and the second end, described first end
Portion is circumferentially disposed a circle hole, and hole, described location penetrates described Guan Bi display sleeve pipe；
Described alignment pin is spring catch, and described spring catch is fixedly connected on described outer sleeve and elasticity is connected to described
On Guan Bi display sleeve pipe, the corresponding described alignment pin of described outer sleeve is provided with the through hole that described alignment pin can be made to stretch into；
Described transmission main shaft is provided with the lead being fixedly connected on described transmission main shaft；
The inner side of described Guan Bi display sleeve pipe is formed in order to block the chute of described lead and to be positioned at described chute one
The bore hole of side, when described Guan Bi display sleeve pipe move to described alignment pin slip into described hole, location time, described lead slips into institute
State in bore hole.
Wherein in an embodiment, described the second end is arranged observe the annular flange flange of Guan Bi progress, described
Arrange to appear the form of described annular flange flange in first sleeve, slide when described Guan Bi display sleeve pipe moves to described alignment pin
When entering described hole, location, described annular flange flange enters in described form.
Wherein in an embodiment, described stapler also includes that transmission sleeve pipe, described transmission sleeve pipe are enclosed within rotationally
Outside the end of described Guan Bi main shaft, the groove that described transmission main shaft is radially provided through, described transmission sleeve pipe
The outwardly groove on described transmission main shaft in one end, and form the boss that can abut against, institute with described Guan Bi display sleeve pipe
Stating transmission sleeve pipe and driven rotation by described transmission main shaft, described Guan Bi main shaft drives described Guan Bi display by described transmission sleeve pipe
Sleeve pipe translates.
Wherein in an embodiment, described stapler also includes laying respectively at outside two ends of described transmission main shaft
The first axle sleeve and the second axle sleeve, described first axle sleeve and described second axle sleeve in order to axially to position described transmission main shaft.
Wherein in an embodiment, described stapler also includes nail bin and nail anvil head, the energy realizing osculating effect
Enough realize the closed draw axle connecting or separating with described nail anvil head, and two ends are respectively fixedly connected with in described closed draw axle
With the connector strip of described Guan Bi main shaft, one end of described nail bin is fixing with described outer sleeve to be connected.
Wherein in an embodiment, described stapler also includes being positioned at described outer sleeve and described Guan Bi display sleeve pipe
Between the first spring, the second spring between described transmission main shaft and described Guan Bi main shaft and be sleeved on described ejector pin pipe
One end and be pressed in the 3rd spring of described outer sleeve, described first spring is in order to abut described Guan Bi display sleeve pipe, described
Second spring is in order to abut described Guan Bi main shaft, and described 3rd spring is in order to abut described ejector pin pipe.
The transmission main shaft of above-mentioned stapler and Guan Bi spindle thread connect, and when transmission main shaft rotates, Guan Bi main shaft is by transmission
Main shaft drives translates, when the screw thread closing main shaft is fully screwed into transmission main shaft, between Guan Bi main shaft and transmission main shaft no longer
There is relative motion, complete the process of Guan Bi.In closing course, Guan Bi main shaft simultaneously drives Guan Bi display sleeve pipe translation, works as Guan Bi
When completing, alignment pin enters the inside of outer sleeve, limits adapter sleeve and Guan Bi display sleeve rotating.When transmission main shaft continues
During rotation, it will make the adapter sleeve threadeded with transmission main shaft carry out horizontal translation thus promote and abut against with adapter sleeve
Ejector pin pipe realize ejector pin action, complete percussion process.Electronic accordingly, with respect to traditional two transmission mechanisms of employing coincide
Device, the stapler of the present invention, only with a transmission mechanism, need not switching button during Guan Bi and percussion and operates.
Accompanying drawing explanation
Fig. 1 is the front view of stapler in the embodiment of the present invention；
Fig. 2 is the top view of stapler in the embodiment of the present invention；
Fig. 3 is the part drawing of stapler in the embodiment of the present invention；
Fig. 4 is the state diagram in the embodiment of the present invention before stapler Guan Bi；
Fig. 5 is the state diagram before firing after stapler Guan Bi in the embodiment of the present invention；
Fig. 6 is that in the embodiment of the present invention, stapler fires the state diagram put in place.
In figure, label and implication thereof are as follows:
100, stapler 110, handle portion 111, rotating forward button 112, reversion button
120, transmission mechanism 121, outer sleeve 121A, first sleeve 121B, the second sleeve pipe
122, form 123, vernier knob 124, alignment pin the 125, first spacer pin
126, the second spacer pin 127, Guan Bi display sleeve pipe 127A, location hole 127B, annular flange flange
128, the first spring 129, transmission main shaft 129A, lead the 1210, first axle sleeve
1211, the second axle sleeve 1212, Guan Bi main shaft the 1213, second spring 1214, transmission sleeve pipe
1215, adapter sleeve 1216, ejector pin pipe the 1217, the 3rd spring 1218, connector strip
1219, closed draw axle 130, osculating portion 131, nail bin 131A, staple cartridge body
131B, nail pushing device 131C, cutting blade 131D, nail bin support 132, nail anvil head
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Detailed description of the invention be described in detail.Elaborate a lot of detail in the following description so that fully understanding this
Bright.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can be not
Doing similar improvement in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Owing to the electronic stapler of traditional two transmission mechanisms of employing needs switching button during Guan Bi and percussion
The problem carrying out operating, it is an object of the invention to provide a kind of only with a transmission mechanism and during Guan Bi and percussion
Need not the stapler that switching button carries out operating.
Stapler 100 in the embodiment of the present invention is electric drive stapler, and its front view and top view are respectively such as Fig. 1 and Tu
Shown in 2, stapler 100 includes handle portion 110, transmission mechanism 120 and osculating portion 130.Handle portion 110 and osculating portion 130 are respectively
It is connected to the two ends of transmission mechanism 120.Handle portion 110 is reusable electric handle of sterilizing, and it is solid that inside arranges level
Fixed driving motor, outside setting is used for controlling rotating forward button 111 and the reversion button 112 that stapler 100 closes and opens.Hand
The horizontal positioned motor of shank 110 is through planetary gear speed-reduction, and output shaft is interior Hexagonal jacket, can quickly realize and transmission mechanism
The connection of 120.
Transmission mechanism 120 includes outer sleeve 121, be located on outer sleeve 121 form 122, fine setting can be realized
The vernier knob 123 and alignment pin 124 within outer sleeve 121 can be entered.Outer sleeve 121 includes first sleeve 121A and
Two sleeve pipe 121B.Arrange in order to the form 122 observing Guan Bi progress in first sleeve 121A.Form 122 is used for observing stapler
The Guan Bi progress of 100, is only determined when stapler 100 is closed into rational caliper zones when by form 122, just can press
Firing button realizes osculating, and firing button, for rotating forward button 111, is so possible to prevent stapler 100 in tissue squeezing improperly
Time osculating and patient is caused adverse consequences.First sleeve 121A and the second sleeve pipe 121B are by the vernier knob that can finely tune
123 realize abutting or separating, and the part that first sleeve 121A is connected with vernier knob 123 is sinistral external thread, the second sleeve pipe
The part that 121B is connected with vernier knob 123 is dextrorotation external screw thread.The internal left side of vernier knob 123 is levogyrate inner thread, the right
For dextrorotation internal thread.Use preference according to doctor, before entering cock anastomosed tissue, doctor can use vernier knob
123 estimate according to torsion and experience the elasticity of tissue squeezing and suitably adjust.
Osculating portion 130 includes nail bin 131 and nail anvil head 132.Nail bin 131 is fixing with the outer sleeve 121 of transmission mechanism 120
Connecting, nail bin 131 and nail anvil head 132 can realize separating or Guan Bi.
First nail bin 131 and nail anvil head 132 being separated when stapler 100 operates with, nail anvil head 132 and intestinal tube do lotus
Bag processes, and transmission mechanism 120 is through other end intestinal tube and does pocket process.Connect reusable electric drive handle portion afterwards
110.Press and hold rotating forward button 111 with Guan Bi nail anvil head 132 and nail bin 131 to indicating window Green Zone, be i.e. now placed in osculating
In portion 130, the tissue of squeezing is in and reasonably extrudes thickness.If pin rotating forward button 111 always, when arriving maximum close thickness
Time transmission mechanism 120 can stop and entering firing action by automatic spacing, during maximum close thickness namely titanium alloy nail becomes nail high
State when degree is minimum.Can be increased or decreased by regulation vernier knob 123 when tissue is in reasonably extruding thickness
Become staple height.Continue to press rotating forward button 111 after fine setting and keep the state pressed, it is achieved the percussion of stapler 100 is also cut off
Intestinal tube tissue between nail bin 131 and nail anvil head 132.Then press and hold reversion button 112 about two seconds or feel
Motor starts to unclamp reversion button 112 during stall, and extracts stapler 100 from intestinal tube.
In the embodiment of the present invention stapler part drawing as it is shown on figure 3, first sleeve 121A one end outside be left-handed outside
Screw thread, the part that the second sleeve pipe 121B docks with first sleeve 121A is dextrorotation external screw thread.Vernier knob 123 is used for connecting first
Sleeve pipe 121A and the second sleeve pipe 121B.First spacer pin 125 is fixed on the second sleeve pipe 121B.First sleeve 121A and the second set
First sleeve 121A and second when ensureing to rotate vernier knob 123 by two the second spacer pins 126 of insertion between pipe 121B
Sleeve pipe 121B can only axially move, and two ends of the second spacer pin 126 lay respectively at first sleeve 121A and the second sleeve pipe
In 121B, so do not interfere with first sleeve 121A and the direction of relative movement of the second sleeve pipe 121B.Outside first sleeve 121A
Portion is provided with the alignment pin 124 that can enter within first sleeve 121A, and alignment pin 124 is fixedly connected in first sleeve 121A, the
Sleeve 121A correspondence alignment pin 124 is provided with the through hole that alignment pin 124 can be made to stretch into.
The embodiment of the present invention is used two the second spacer pins 126, but the number of the second spacer pin 126 can also be one
Or it is multiple, as long as first sleeve 121A and the second sleeve pipe 121B can only axially move when ensure that rotation vernier knob 123
?.Alignment pin 124 in the embodiment of the present invention can be spring catch, it is also possible to can realize the stapler of the present invention for other
The pin of effect.
The inside of the Guan Bi display externally-located sleeve pipe of sleeve pipe 127.Guan Bi display sleeve pipe 127 includes first end and the second end
Portion.First end is circumferentially disposed has a circle hole 127A, location hole 127A to penetrate Guan Bi display sleeve pipe 127.Second
Arrange to observe annular flange flange 127B of Guan Bi progress on end.Set between first sleeve 121A and Guan Bi display sleeve pipe 127
Putting the first spring 128, the first spring 128 is used for abutting Guan Bi display sleeve pipe 127.
In the externally-located sleeve pipe of transmission main shaft 129, relatively rotate with outer sleeve and coordinate.Along its footpath on transmission main shaft 129
To the groove being provided through.Transmission main shaft 129 is provided with lead 129A fixedly connected thereto.Transmission main shaft 129
First axle sleeve 1210 and the second axle sleeve 1211 is set outside two ends, in order to axial positioning transmission main shaft 129 so that it is can only do and rotate
Move and can not move forward and backward.
Guan Bi main shaft 1212 is positioned at the inside of transmission main shaft 129, and Guan Bi main shaft 1212 is with transmission main shaft 129 screw thread even
Connect.The groove being radially provided through on Guan Bi main shaft 1212.First spacer pin 125 stretches into the groove of Guan Bi main shaft 1212
In rotate limiting Guan Bi main shaft 1212, this groove makes Guan Bi main shaft 1212 along the axially extending certain length of Guan Bi main shaft 1212
Can translate by relative first spacer pin 125.First spacer pin 125 leading to completely through Guan Bi main shaft 1212 in the embodiment of the present invention
Groove, and the two ends of the first spacer pin 125 are all fixed on the second sleeve pipe 121B.But the position of the first spacer pin 125 is not limited to
This kind of mode, rotates as long as guaranteeing to limit Guan Bi main shaft 1212.Can be such as that one end of the first spacer pin is fixed
On the second sleeve pipe 121B, the other end stretches in the groove closing main shaft 1212 but does not fixes with the second sleeve pipe 121B and be connected.
Guan Bi main shaft 1212 is made translation and is advanced or retreat when being driven by transmission main shaft 129.Transmission main shaft 129 and Guan Bi main shaft
Arranging the second spring 1213 between 1212, the second spring 1213 is used for abutting Guan Bi main shaft 1212.
Transmission sleeve pipe 1214 is enclosed within the outside of Guan Bi main shaft 1212 rotationally.One end of transmission sleeve pipe 1214 is outwardly
Groove on transmission main shaft 129, and form the boss abutted against with Guan Bi display sleeve pipe 127.Adapter sleeve 1215 is positioned at biography
The outside of dynamic main shaft 129, threadeds with transmission main shaft 129.Ejector pin pipe 1216 is enclosed within outside one end of transmission main shaft 129, energy
Enough abut against with adapter sleeve 1215.3rd spring 1217 is sleeved on one end of ejector pin pipe 1216 and is pressed in the second sleeve pipe 121B's
Inner radial wall.
Nail bin 131 includes staple cartridge body 131A, is positioned at the nail pushing device 131B within staple cartridge body 131A, cutting blade 131C
And nail bin support 131D.Nail bin 131 is fixing with the second sleeve pipe 121B to be connected.
One end of connector strip 1218 is fixedly connected on Guan Bi main shaft 1212, and the other end is fixedly connected on closed draw axle
On 1219.Connector strip 1218 can be elastic coupling band, it is also possible to be capable of the connector strip of connection function for other.Guan Bi is led
Draw axle 1219 to be connected with nail anvil head 132, it is also possible to separate with nail anvil head 132.
When working below in conjunction with the stapler of the embodiment of the present invention, to describe its work in detail former for the profile of transmission mechanism
Reason.
Connect electric drive handle portion with transmission mechanism to connect power input, the reeded circle of band that transmission mechanism stretches out
Shape patch can be fixed with electric drive handle portion, and the inner hexagonal hole output rotary motion on electric drive handle portion main shaft is six to front
The transmission main shaft 129 of dihedral.
As shown in Figure 4, vernier knob 123 revolves state before stapler Guan Bi with first sleeve 121A and the second sleeve pipe 121B
Tightly, the two is made to be in abutting state.Alignment pin 124 is fixedly connected in first sleeve 121A and shows sleeve pipe 127 bullet with Guan Bi
Property abut.The first spring 128 between externally-located sleeve pipe and Guan Bi display sleeve pipe 127 is in half-compressed state, now closes
Show that annular flange flange 127B on sleeve pipe 127 is not also entered to appear from the form 122 being positioned at first sleeve 121A.It is positioned at simultaneously
The second spring 1213 between transmission main shaft 129 and Guan Bi main shaft 1212 is similarly in relaxation state.The interior spiral shell of transmission main shaft 129
The external screw thread of line and Guan Bi main shaft 1212 all engages.Lead 129A on transmission main shaft 129 is stuck in Guan Bi display sleeve pipe 127
Chute in.
Pressing rotating forward button, transmission main shaft 129 turns clockwise, and is stuck in the guiding in the chute of Guan Bi display sleeve pipe 127
Post 129A drives Guan Bi display sleeve pipe 127 to do rotating Vortex motion, the outside of adapter sleeve 1215 and Guan Bi with transmission main shaft 129
The inside of display sleeve pipe 127 is all D-shaped, adapter sleeve 1215 meeting being assemblied on transmission main shaft 129 and Guan Bi display sleeve pipe 127
Rotate simultaneously.Groove within Guan Bi main shaft 1212 is passed by the first spacer pin 125 thus limits it and rotate, therefore transmission
When main shaft 129 turns clockwise, its internal screw thread drives Guan Bi main shaft 1212 to move horizontally to the left.Guan Bi main shaft 1212 is to the left
Promote when moving horizontally and be positioned at the transmission sleeve pipe 1214 within transmission main shaft 129 and move horizontally to the left.Due to transmission sleeve pipe 1214
The outwardly groove on transmission main shaft 129 in one end, and formed can with the Guan Bi display boss that abut against of sleeve pipe 127, because of
This transmission sleeve pipe 1214 does the rotary motion with transmission main shaft 129 simultaneously.When the boss being positioned on transmission sleeve pipe 1214 abuts to
Time on Guan Bi display sleeve pipe 127, transmission sleeve pipe 1214 can promote Guan Bi display sleeve pipe 127 to move horizontally to the left.Guan Bi main shaft
During 1212 move horizontally to the left, the second spring 1213 between transmission main shaft 129 and Guan Bi main shaft 1212 is subject to
The pressure carrying out self-closing main shaft 1212 is gradually compressed.Same, between externally-located sleeve pipe and Guan Bi display sleeve pipe 127 the
One spring 128 is the most gradually compressed.
When the lead 129A on transmission main shaft 129 slips into the bore hole that Guan Bi shows within sleeve pipe 127, as it is shown in figure 5,
Guan Bi main shaft 1212 departs from transmission main shaft 129 threadeds, i.e. the external screw thread of Guan Bi main shaft 1212 all passes through transmission main shaft
The internal thread of 129, now from being positioned at first sleeve 121A on display window 122 it is observed that be positioned at Guan Bi display sleeve pipe
Annular flange flange 127B on 127, illustrates that the nail anvil head of stapler and nail bin close and squeeze tissue to rational thickness, the greenest
District, now can enter cock.Meanwhile, the alignment pin 124 being fixed in first sleeve 121A also slides into Guan Bi display set
Hole, location 127A on pipe 127 circumference also limits Guan Bi display sleeve pipe 127 and is rotated, and adapter sleeve 1215 and Guan Bi are aobvious
Show that sleeve pipe 127 can not rotate due to the restriction of alignment pin 124.
Before entering cock anastomosed tissue, can use vernier knob 123 impression tissue squeezing elasticity (according to
Torsion is estimated) and suitably adjust.The fine setting principle of the thickness of tissue squeezing is as follows:
Nail anvil head is connected on closed draw axle and Guan Bi main shaft 1212, when the indicating window in first sleeve 121A
When annular flange flange 127B on display Guan Bi display sleeve pipe 127 enters Green Zone, the external screw thread of Guan Bi main shaft 1212 is fully screwed into biography
Dynamic main shaft 129, no longer has relative motion between transmission main shaft 129 and Guan Bi main shaft 1212, and its position becomes fixing.Nail bin and
Two sleeve pipe 121B, for being permanently fixed connection, now by vernier knob 123 precession or back-out the second sleeve pipe 121B, i.e. achieve nail
The adjustment of the spacing of anvil head and nail bin.
The coupling part of first sleeve 121A and the second sleeve pipe 121B and vernier knob 123 is respectively sinistral external thread and the right side
Rotation external screw thread.The left side, inside of vernier knob 123 is levogyrate inner thread, and the right is dextrorotation internal thread.First sleeve 121A and
Inserted by two spacer pins between two sleeve pipe 121B, first sleeve 121A and the second sleeve pipe 121B when rotating vernier knob 123
Can only axially move, this mechanism does not interferes with handle portion and the relative direction of the second sleeve pipe 121B while achieving fine setting.
Entering cock after fine setting, continue to pin forwarding button, main shaft continues to rotate, it will make and transmission master
The adapter sleeve 1215 that external screw thread (left-handed) on axle 129 assembles carries out linear motion to the right thus promotes and adapter sleeve
The ejector pin pipe 1216 that 1215 abut against travels forward and realizes ejector pin action.Effective by within adapter sleeve 1215 of the stroke of ejector pin
Reach determines.The state that in the embodiment of the present invention, stapler percussion puts in place is as shown in Figure 6.3rd spring 1217 by from
The pressure of ejector pin pipe 1216 and be in confined state.
Opening stapler after completing percussion, pin retrogressing (reversion) button of electric drive handle, transmission main shaft 129 starts
Reversion.Under the active force of the 3rd spring 1217, the internal thread of adapter sleeve 1215 is with the external screw thread on transmission main shaft 129 again
Engagement.The second spring 1213 active force underdrive main shaft 129 internal thread and Guan Bi main shaft 1212 external screw thread also simultaneously
Engagement counter motion.Open between nail anvil head and nail bin, unclamp reversion button and extract apparatus.If not timely release button, when
When screw thread in adapter sleeve 1215 and transmission main shaft 129 are screwed to dead point, motor generation stall, remind doctor's release button and pull out
Going out apparatus, this function can effectively prevent from opening between nail anvil head and nail bin too much, makes nail anvil head depart from apparatus thus is retained in disease
In human body.
Transmission main shaft 129 and the Guan Bi main shaft 1212 of above-mentioned stapler are threaded, when transmission main shaft 129 rotates, and Guan Bi
Main shaft 1212 is driven by transmission main shaft 129 and translates, and when the screw thread closing main shaft 1212 is fully screwed into transmission main shaft 129, closes
Close and no longer have relative motion between main shaft 1212 and transmission main shaft 129, complete the process of Guan Bi.In closing course, close main shaft
1212 simultaneously drive Guan Bi display sleeve pipe 127 translates, and when Guan Bi completes, alignment pin 124 enters the inside of outer sleeve, limits
Adapter sleeve 1215 and Guan Bi display sleeve pipe 127 rotate.When transmission main shaft 129 continues to rotate, it will make and transmission main shaft 129
Threaded adapter sleeve 1215 carries out horizontal translation thus promotes the ejector pin pipe 1216 abutted against with adapter sleeve 1215 real
Existing ejector pin action, completes percussion process.Accordingly, with respect to the electronic stapler of traditional two transmission mechanisms of employing, the present invention
Stapler only with a transmission mechanism, during Guan Bi and percussion, need not switching button operate.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a stapler, it is characterised in that include
Outer sleeve, outside is provided with the alignment pin that can enter within outer sleeve；
Transmission main shaft, is positioned in described outer sleeve, relatively rotates with described outer sleeve and coordinates；
Guan Bi main shaft, is positioned at the inside of described transmission main shaft, and described Guan Bi main shaft is threadeded with described transmission main shaft, described
Guan Bi main shaft is made translation and is advanced or retreat when being driven by described transmission main shaft, and described Guan Bi main shaft can take off with described transmission main shaft
From described threaded；
Adapter sleeve, threadeds with described transmission main shaft；
Ejector pin pipe, is enclosed within outside one end of described transmission main shaft, it is possible to abut against with described adapter sleeve；
Guan Bi display sleeve pipe, is enclosed within outside described transmission main shaft, described Guan Bi main shaft drives translates, with described adapter sleeve phase
Configuration can not be rotated against to sliding；
Wherein said Guan Bi main shaft and described transmission main shaft depart from when threadeding, described alignment pin limit described adapter sleeve and
Described Guan Bi display sleeve rotating, described transmission main shaft can drive described adapter sleeve to translate, and described adapter sleeve can drive
Dynamic described ejector pin pipe translation.
Stapler the most according to claim 1, it is characterised in that be radially provided through on described Guan Bi main shaft
Groove, described stapler also includes that the first spacer pin, described first spacer pin are fixedly connected on described outer sleeve and stretch into
To limit described Guan Bi main axis in described Guan Bi main shaft groove, described groove along described Guan Bi main shaft axially extending necessarily
Length makes described Guan Bi main shaft to translate by the most described first spacer pin.
Stapler the most according to claim 1, it is characterised in that described outer sleeve includes first sleeve and the second set
Pipe, described first sleeve and described second sleeve pipe realize abutting or separating by the knob that can finely tune, described knob internal two
End is rightabout screw thread.
Stapler the most according to claim 3, it is characterised in that described stapler also includes that at least one is in order to limit
Stating first sleeve and described second sleeve pipe carries out the second spacer pin in relative rotation, two ends of described second spacer pin are respectively
It is positioned in described first sleeve and described second sleeve pipe.
Stapler the most according to claim 3, it is characterised in that described Guan Bi display sleeve pipe includes first end and second
End, described first end is circumferentially disposed a circle hole, and hole, described location penetrates described Guan Bi display sleeve pipe；
Described alignment pin is spring catch, and described spring catch is fixedly connected on described outer sleeve and elasticity is connected to described Guan Bi
On display sleeve pipe, the corresponding described alignment pin of described outer sleeve is provided with the through hole that described alignment pin can be made to stretch into；
Described transmission main shaft is provided with the lead being fixedly connected on described transmission main shaft；
The inner side of described Guan Bi display sleeve pipe is formed in order to block the chute of described lead and to be positioned at described chute side
Bore hole, when described Guan Bi display sleeve pipe move to described alignment pin slip into described hole, location time, described lead slips into described boring
Kong Zhong.
Stapler the most according to claim 5, it is characterised in that arrange on described the second end to observe Guan Bi progress
Annular flange flange, described first sleeve is arranged appear the form of described annular flange flange, when described Guan Bi display sleeve pipe move
Moving described alignment pin when slipping into described hole, location, described annular flange flange enters in described form.
Stapler the most according to claim 1, it is characterised in that described stapler also includes transmission sleeve pipe, described transmission
Sleeve pipe is enclosed within outside the end of described Guan Bi main shaft rotationally, and what described transmission main shaft was radially provided through is logical
Groove, the outwardly groove on described transmission main shaft in one end of described transmission sleeve pipe, and formed and can overlap with described Guan Bi display
The boss that pipe abuts against, described transmission sleeve pipe is driven by described transmission main shaft and rotates, and described Guan Bi main shaft is by described drive sleeve
Pipe drives described Guan Bi display sleeve pipe translation.
Stapler the most according to claim 1, it is characterised in that described stapler also includes laying respectively at described transmission master
The first axle sleeve outside two ends of axle and the second axle sleeve, described first axle sleeve and described second axle sleeve are in order to axially to position institute
State transmission main shaft.
Stapler the most according to claim 1, it is characterised in that described stapler also includes realizing osculating effect
Nail bin and nail anvil head, the closed draw axle that connects or separate can be realized with described nail anvil head, and two ends are respectively fixedly connected with
In described closed draw axle and the connector strip of described Guan Bi main shaft, one end of described nail bin is fixing with described outer sleeve to be connected.
Stapler the most according to claim 1, it is characterised in that described stapler also includes being positioned at described outer sleeve
And the first spring between described Guan Bi display sleeve pipe, the second spring between described transmission main shaft and described Guan Bi main shaft
Be sleeved on one end of described ejector pin pipe and be pressed in the 3rd spring of described outer sleeve, described first spring is described in order to abut
Guan Bi display sleeve pipe, described second spring is in order to abut described Guan Bi main shaft, and described 3rd spring is in order to abut described ejector pin pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578514.5A CN104306039B (en) | 2014-10-24 | 2014-10-24 | Stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578514.5A CN104306039B (en) | 2014-10-24 | 2014-10-24 | Stapler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104306039A CN104306039A (en) | 2015-01-28 |
| CN104306039B true CN104306039B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410578514.5A Active CN104306039B (en) | 2014-10-24 | 2014-10-24 | Stapler |
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| Country | Link |
|---|---|
| CN (1) | CN104306039B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110604601B (en) * | 2018-06-14 | 2022-06-14 | 江苏风和医疗器材股份有限公司 | Screw rod and electronic anastomat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7608086B2 (en) * | 2003-09-30 | 2009-10-27 | Ethicon Endo-Surgery, Inc. | Anastomosis wire ring device |
| US8220690B2 (en) * | 2006-09-29 | 2012-07-17 | Ethicon Endo-Surgery, Inc. | Connected surgical staples and stapling instruments for deploying the same |
| CN103829981A (en) * | 2012-11-26 | 2014-06-04 | 天津瑞贝精密机械技术研发有限公司 | Electric endoscope anastomat |
| US9445816B2 (en) * | 2012-12-17 | 2016-09-20 | Ethicon Endo-Surgery, Llc | Circular stapler with selectable motorized and manual control |
| CN204181676U (en) * | 2014-10-24 | 2015-03-04 | 飞依诺科技(苏州)有限公司 | Anastomat |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104306039A (en) | 2015-01-28 |
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Effective date of registration: 20170105 Address after: 215000 Jiangsu Province, Suzhou City Industrial Park Jinji Lake Road No. 99 Suzhou city building 203 nano NW-12 Patentee after: SUZHOU YINGTUKANG MEDICAL TECHNOLOGY CO., LTD. Address before: Suzhou City, Jiangsu Province, Suzhou Industrial Park, 215123 Street No. 218 building C8 5F Patentee before: BioBAY Technology (Suzhou) Co., Ltd. |