CN109498090A - A kind of electronic hysteroscope stapler resetting apparatus and electronic hysteroscope stapler - Google Patents
A kind of electronic hysteroscope stapler resetting apparatus and electronic hysteroscope stapler Download PDFInfo
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- CN109498090A CN109498090A CN201811631237.4A CN201811631237A CN109498090A CN 109498090 A CN109498090 A CN 109498090A CN 201811631237 A CN201811631237 A CN 201811631237A CN 109498090 A CN109498090 A CN 109498090A
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- 230000033001 locomotion Effects 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 210000002784 stomach Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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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
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- 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
-
- 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
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- 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)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention provides a kind of electronic hysteroscope stapler resetting apparatuses, including reset portion, driving rack, driven gear and bracket；Reset portion is rotatably connected on bracket；Reset portion includes engaging section and special-shaped clutch-plate；Engaging section is coaxially connected with special-shaped clutch-plate, and special-shaped clutch-plate pushes driven gear to leave driving rack behind engagement in rotation portion；Engaging section is engaged with driving rack；Driving rack reciprocally supports in the bracket；Driving rack includes coincide section, close segments and reset section；Section of coincideing is engaged with driven gear；In the same plane, and engaging section is engaged with close segments and reset section respectively for close segments and reset section；When engaging section is engaged with reset section, engaging section pushes driving rack to move to the near end；For close segments in reset section distal end, the length of close segments is not less than the closing stroke of electronic hysteroscope stapler；Driven gear engages under the support of elastomeric element with driving rack.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of electronic hysteroscope stapler resetting apparatus and electronic
Hysteroscope stapler.
Background technique
Endoscope-assistant surgery is equipped using modern photography technology and high-tech surgical instrument, in chest/stomach wall casing or miniature incision
The lower Minimally Invasive Surgical Technology for completing complicated operation in chest/abdomen.Completing endoscope-assistant surgery only needs to do 1~3 1.5 centimetres of chest/stomach wall
Aperture, when operation, hysteroscope stapler is inserted into casing by doctor, and cooperates the surgical apparatus such as vessel forceps, to the lesions such as such as lung cancer into
Row excision and identical operation.
There are mainly of two types for hysteroscope stapler at present: being by hitting manually to control one is manual hysteroscope stapler
It sends out nail bin groupware and sutures tissue, firing handle of repeatedly holding with a firm grip manually is needed in use, so that the mechanical transmission mechanism of stapler pushes
Nail bin groupware closed moulding, manual hysteroscope stapler need the practical operation gimmick to doctor to have certain requirement, misoperation
It will cause opposite joint and be combined the drawing knitted and tear.Another kind is electronic hysteroscope stapler, and this stapler can make doctor pass through hand
Refer to the key on touching hysteroscope fixed handle to realize all movements of hysteroscope stapler, although in the operation of electronic hysteroscope stapler
It is simple compared to manual stapler, convenient, but when electronic stapler power loss or failure, electrician's stapler is not easy
It is withdrawn from hole from chest/stomach wall, withdraws from rear nail bin groupware and be not easy to be removed.
It solves the above problems currently, electronic stapler generallys use two ways, one is using close handles and reset
Switch knob combines, and after pulling close handles, nail bin groupware jaw closure allows stapler to withdraw from from chest/stomach wall, then dial in hole
It is dynamic to reset switch knob, so that nail bin groupware is reset to initial position, jaw opens, and unloads nail bin groupware from electronic stapler
Under.
Another way is to use close handles in conjunction with spiral handle, pulls close handles, and nail bin groupware jaw closure is removed
Out after stapler, knob is resetted with spiral handle or screwdriver rotation and realizes reset.
Both modes require in addition to increase operating device, and structure is complicated, not easy to operate.
Based on this, on the present invention provides a kind of electronic hysteroscope stapler resetting apparatuses and electronic hysteroscope stapler to solve
The technical issues of stating.
Summary of the invention
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of electronic hysteroscope stapler resetting apparatus
It resets and needs in addition to increase operating device, structure is complicated, technical problem not easy to operate.
The object of the invention is also to provide a kind of electronic hysteroscope stapler, the electronic hysteroscope stapler includes above-mentioned electricity
Dynamic hysteroscope stapler resetting apparatus resets needs in addition increase operating device, knot for solving existing electronic hysteroscope stapler
Structure is complicated, technical problem not easy to operate.
Based on above-mentioned first purpose, the present invention provides a kind of electronic hysteroscope stapler resetting apparatuses, including reset
Portion, driving rack, driven gear and bracket；
The reset portion is rotatably connected on the bracket；The reset portion includes engaging section and special-shaped clutch-plate；It is described
Engaging section is coaxially connected with the special-shaped clutch-plate, and the special-shaped clutch-plate pushes the driven gear after rotating the engaging section
Leave the driving rack；The engaging section is engaged with the driving rack；
The driving rack is reciprocally supported in the bracket；The driving rack include coincide section, close segments and
Reset section；The identical section is engaged with driven gear；The close segments and reset section in the same plane, and the engaging portion
It is not engaged with the close segments and the reset section；When the engaging section is engaged with the reset section, the engaging section pushes institute
Driving rack is stated to move to the near end；The close segments are not less than the electricity in the reset section distal end, the length of the close segments
The closing stroke of dynamic hysteroscope stapler；
The driven gear engages under the support of elastomeric element with driving rack.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, the engaging section include resetting tooth pushing, resetting closure gear piece
And reset switch knob；The abnormity clutch-plate, reset closure gear piece and the reset switch knob are sequentially connected by pin shaft；It is described
Pin shaft is fixed on the bracket；The tooth pushing that resets is rotatably mounted to reset switch knob far from the reset closure gear piece
On on one side, the relatively described rotation axis for resetting switch knob of tooth pushing that resets is in the distal end of the pin shaft.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, the abnormity clutch-plate height is less than length, stirring
It states before resetting switch knob, the abnormity clutch-plate short transverse does not influence the driven gear and engages with driving rack, stirring
It states after resetting switch knob, the abnormity clutch-plate length direction contacts with the driven gear and the driven gear is pushed to overcome institute
The movement of elastic component elastic force is stated until the driven gear is detached from the driving rack；It is set on the outside of the abnormity clutch-plate short transverse
It is equipped with protrusion, after the driven gear pushed away from the driving rack, the protrusion is against the driven gear flank, prevents
The abnormity clutch-plate back moves；
The abnormity clutch-plate is provided with limiting slot, and the reset switch knob is provided with limited block；The reset switch knob passes through described
What limited block pushed the limiting slot on one side rotates the special-shaped clutch-plate, and the reset switch knob is in the limit
Rotary motion in the range of slot limitation.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, the reset closure gear piece outside are provided with engaging tooth, institute
State the length that engaging tooth circumferential length is not less than the close segments.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, reset portion further includes limit film；It is set on the reset switch knob
It is equipped with the first limit film mounting groove；The second limit film mounting groove is provided on the reset closure gear piece；Described limit film one end
It is inserted into the limit film mounting groove, the other end is swingable and is inserted into the second limit film mounting groove.
Both limit film, which is arranged, can make reset closure gear piece when coincideing with close segments there may be certain amount trimmed, make
What can be engaged is more smooth.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus is provided with limited post on the reset switch knob；The reset
Waist hole is provided on closure gear piece；The limited post is inserted into the waist hole.
Limited post, which is arranged, can be convenient the installation for resetting closure gear piece, while can also limit the adjusting for resetting closure gear piece
Amplitude prevents to misplace.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, plane where the identical section of the driving rack with
Plane where the close segments and the reset section is vertical；The close segments are staggeredly arranged with the reset section, and the closure is multiple
Position gear piece is engaged with the close segments, and the reset tooth pushing is engaged with the reset section.
Optionally, above-mentioned electronic hysteroscope stapler resetting apparatus, the reset section are ratchet structure；The reset tooth pushing is
Pawl structures；It is provided on the bracket and resets tooth pushing supporting table, the reset tooth pushing supporting table is pulling the reset switch knob
Reset tooth pushing described in front support is not contacted with the reset section, and after pulling the reset switch knob, the reset tooth pushing is from described
It resets and is slided in tooth pushing supporting table, engaged with the reset section；The reset tooth pushing pushes the transmission by the reset section
Rack gear moves to the near end.
Optionally, torsional spring pin shaft, the torsional spring pin shaft are arranged on the bracket for above-mentioned electronic hysteroscope stapler resetting apparatus
On be provided with tooth pushing torsional spring, the tooth pushing torsional spring is abutted with the reset tooth pushing.
Torsional spring, which is arranged, can make to reset the more firm of tooth pushing and reset section ratchet engagement.
Based on above-mentioned second purpose, the present invention provides a kind of electronic hysteroscope stapler include nail bin groupware, barrel assembly,
Curve knob, stapler main body, fixed handle and the electronic hysteroscope stapler resetting apparatus；
The nail bin groupware, barrel assembly curve knob, stapler main body, fixed handle and are sequentially connected；
Hand-reset lid is provided on the stapler main body, the electronic hysteroscope stapler resetting apparatus is fixed on described coincide
In device main body, the electronic hysteroscope stapler resetting apparatus can be operated by opening hand-reset lid.
The electronic hysteroscope stapler resetting apparatus provided by the invention includes reset portion, driving rack, driven gear and
Bracket；The reset portion is rotatably connected on the bracket；The reset portion includes engaging section and special-shaped clutch-plate；It is described
Engaging section is coaxially connected with the special-shaped clutch-plate, and the special-shaped clutch-plate pushes the driven gear after rotating the engaging section
Leave the driving rack；The engaging section is engaged with the driving rack；The driving rack is reciprocally supported on
In the bracket；The driving rack includes coincide section, close segments and reset section；The identical section is engaged with driven gear；Institute
State close segments and reset section in the same plane, and the engaging section is engaged with the close segments and the reset section respectively；Institute
When stating engaging section and engaging with the reset section, the engaging section pushes the driving rack to move to the near end；The close segments exist
The reset section distal end, the length of the close segments are not less than the closing stroke of the electronic hysteroscope stapler；The driven tooth
Wheel engages under the support of elastomeric element with driving rack.Ensure that, which can be realized by one device of reset portion, makes driven gear
It is closed with driving rack drop out of gear, after so that driving rack is retracted into initial position, nail bin groupware jaw opening, moreover it is possible to be made by reset portion
Jaw recloses, and opens again after closure.It needs in addition to increase operation dress to solve existing electronic hysteroscope stapler and reset
It sets, structure is complicated, technical problem not easy to operate.
The electronic hysteroscope stapler provided by the invention includes the electronic hysteroscope stapler resetting apparatus；Therefore
Have the advantages that all of upper electronic hysteroscope stapler resetting apparatus.
Based on this, the present invention has compared with original technology and realizes that nail bin groupware resets, closure resets again by a kind of device
Multiple functions, structure is simple, easily operated advantage.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is electronic hysteroscope stapler resetting apparatus outside drawing provided in an embodiment of the present invention；
Fig. 2 is the enlarged view of electronic hysteroscope stapler resetting apparatus in Fig. 1；
Fig. 3 is the schematic diagram of the section structure of electronic hysteroscope stapler resetting apparatus provided in an embodiment of the present invention；
Fig. 4 is the enlarged view of electronic hysteroscope stapler resetting apparatus in Fig. 3；
Fig. 5 is that electronic hysteroscope stapler resetting apparatus provided in an embodiment of the present invention removes the structural schematic diagram after bracket；
Fig. 6 is the enlarged view for removing the electronic hysteroscope stapler resetting apparatus after bracket in Fig. 5；
Fig. 7 is electronic hysteroscope stapler resetting apparatus sectional view provided in an embodiment of the present invention when reset switch knob is cocked；
Fig. 8 is the structural schematic diagram of driving rack provided in an embodiment of the present invention；
Fig. 9 is special-shaped clutch-plate structural schematic diagram provided in an embodiment of the present invention；
Figure 10 is that reset provided in an embodiment of the present invention is closed gear piece structural schematic diagram；
Figure 11 is the structural schematic diagram that electronic hysteroscope stapler provided in an embodiment of the present invention removes nail bin groupware outer portion；
Figure 12 is the nail bin groupware schematic diagram of electronic hysteroscope stapler provided in an embodiment of the present invention.
Icon: 1- barrel assembly；22- curves knob；31- fixed handle；35- hand-reset lid；60- resets switch knob；61-
Special-shaped clutch-plate；62- resets closure gear piece；63- resets tooth pushing；64- limit film；65- tooth pushing torsional spring；66- torsional spring pin shaft；308-
Clutch tabletting；309- gear supporting spring；311- driven gear；312- driving rack；312-1 close segments；312-2- reset section；
51- nail bin groupware.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the direction of term " proximal end " refers to Proximity operation person, " distal end " is
Refer to the direction far from operator.
In addition, the side of the instructions such as term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As shown in figs. 2-10, a kind of electronic hysteroscope stapler resetting apparatus, including reset portion, driving cog are present embodiments provided
Item, driven gear and bracket；
The reset portion is rotatably connected on the bracket；The reset portion includes engaging section and special-shaped clutch-plate；It is described
Engaging section is coaxially connected with the special-shaped clutch-plate, and the special-shaped clutch-plate pushes the driven gear after rotating the engaging section
Leave the driving rack；The engaging section is engaged with the driving rack；The driving rack is reciprocally supported on
In the bracket；The driving rack includes coincide section, close segments and reset section；The identical section is engaged with driven gear；Institute
State close segments and reset section in the same plane, and the engaging section is engaged with the close segments and the reset section respectively；Institute
When stating engaging section and engaging with the reset section, the engaging section pushes the driving rack to move to the near end；The close segments exist
The reset section distal end, the length of the close segments are not less than the closing stroke of the electronic hysteroscope stapler；The driven tooth
Wheel engages under the support of elastomeric element with driving rack.
The driven gear is rotated synchronously by the motor of elastomeric element and the electronic hysteroscope stapler and is connected.
Settable clutch tabletting above the driven gear, so that the abnormity clutch-plate acts on the driven gear
Power keep in balance.
When electronic stapler break down when, Xiang Yuanduan spinning reduction portion, anisotropic clutch-plate rotate and meanwhile push from
Moving gear overcomes the elastic force of elastomeric element to move downward, and then is detached from driving rack, and the movement of this hour rack is no longer by motor shadow
It rings, and is controlled completely by reset portion.If nail bin groupware breaks down in the position for being closed to half or occurs after closure
Failure, engaging section can be located at centre or the most proximal end of close segments, and at this moment engaging section is engaged with the driving rack, is continued to remote
End rotation reset portion, engaging section push driving rack to move to the near end, and nail bin groupware is gradually opened as rack gear is mobile, press from both sides
Tissue in nail bin groupware is released, until nail bin groupware is opened completely, completes to reset, engaging section is nibbled with close segments at this time
It closes.At this moment reset portion is rotated backward, driving rack is mobile to distal end under engaging section effect, since the length of close segments is not less than
The closing stroke of the electronic hysteroscope stapler, therefore rotating backward reset portion can be such that nail bin groupware jaw is closed, so as to
It is withdrawn from hole from chest/stomach wall.After withdrawing from, again to distal end rotate reset portion, can reset again, thus allow nail bin groupware by
It removes.
As described in Fig. 3-7, in the optinal plan of the present embodiment, the engaging section includes resetting tooth pushing, resetting closure gear piece
And reset switch knob；The abnormity clutch-plate, reset closure gear piece and the reset switch knob are sequentially connected by pin shaft；It is described
Pin shaft is fixed on the bracket；The tooth pushing that resets is rotatably mounted to reset switch knob far from the reset closure gear piece
On on one side, the relatively described rotation axis for resetting switch knob of tooth pushing that resets is in the distal end of the pin shaft.
Be separated with reset switch knob between closure gear piece due to resetting tooth pushing and resetting, engaging section respectively with close segments and answer
Can be unaffected mutually when the section engagement of position, it ensure that the stability and safety of the device.The relatively described reset of tooth pushing is resetted to pull
The rotation axis of button can make to drive reset tooth pushing to move reciprocatingly when resetting switch knob rotation in the distal end of the pin shaft.
As shown in figure 9, the abnormity clutch-plate height is less than length, described stirring in the optinal plan of the present embodiment
Before resetting switch knob, the abnormity clutch-plate short transverse does not influence the driven gear and engages with driving rack, described stirring
After resetting switch knob, the abnormity clutch-plate length direction is contacted with the driven gear and is pushed described in the driven gear overcomes
The movement of elastic component elastic force is until the driven gear is detached from the driving rack；Setting on the outside of the abnormity clutch-plate short transverse
There is protrusion, after the driven gear pushed away from the driving rack, the protrusion is against the driven gear flank, prevents institute
Special-shaped clutch-plate is stated back to move；
The abnormity clutch-plate is provided with limiting slot, and the reset switch knob is provided with limited block；The reset switch knob passes through described
What limited block pushed the limiting slot on one side rotates the special-shaped clutch-plate, and the reset switch knob is in the limit
Rotary motion in the range of slot limitation.
When rotation resets switch knob in this way, special-shaped clutch-plate pushes down on driven gear, until it is detached from the driving rack,
It is described after the driven gear pushed away from the driving rack due to being provided with protrusion on the outside of special-shaped clutch-plate short transverse
Protrusion is against the driven gear flank, so that the special-shaped clutch-plate be prevented back to move, can keep motor not in this way
The movement for influencing driving rack again ensure that the stability of device.And due to the setting of limiting slot, it is ensured that reset switch knob still
It can be rotated in the range of needs, reset closure gear piece rotation and reset tooth pushing is driven to move back and forth.
As shown in Figure 10, in the optinal plan of the present embodiment, it is provided with engaging tooth on the outside of the reset closure gear piece, it is described
Engaging tooth circumferential length is not less than the length of the close segments.It can effectively be engaged with guaranteeing to reset closure gear piece with close segments,
Complete the closure of jaw.
Also setting circular hole it can also will reset on closure gear piece on resetting closure gear piece and cross axis hole to extending out with loss of weight
Open more than one slot, to reduce circular hole to the frictional force of pin shaft.
Picture 1-4, shown in 10, in the optinal plan of the present embodiment, reset portion further includes limit film；On the reset switch knob
It is provided with the first limit film mounting groove；The second limit film mounting groove is provided on the reset closure gear piece；The limit film one
The limit film mounting groove is inserted at end, and the other end is swingable and is inserted into the second limit film mounting groove.
Both limit film, which is arranged, can make reset closure gear piece when coincideing with close segments there may be certain amount trimmed, make
What can be engaged is more smooth.
As shown in Figure 10, in the optinal plan of the present embodiment, limited post is provided on the reset switch knob and (is not marked on figure
Out)；Waist hole is provided on the reset closure gear piece；The limited post is inserted into the waist hole.
Limited post, which is arranged, can be convenient the installation for resetting closure gear piece, while can also limit the adjusting for resetting closure gear piece
Amplitude prevents to misplace.
As shown in figure 8, in the optinal plan of the present embodiment, plane where the identical section of the driving rack with it is described
Plane where close segments and the reset section is vertical；The close segments are staggeredly arranged with the reset section, the closed reduction tooth
Piece is engaged with the close segments, and the reset tooth pushing is engaged with the reset section.
The movement that moves downward of driven gear, homing action, the closed action different location that is respectively occurring at rack gear in this way,
Each movement does not interfere with one another, the stability of the device of guarantee, safety and reliability.
As shown in figure 8, the reset section is ratchet structure in the optinal plan of the present embodiment；The reset tooth pushing is spine
Pawl structure；It is provided on the bracket and resets tooth pushing supporting table, the reset tooth pushing supporting table is before pulling the reset switch knob
The reset tooth pushing is supported not contact with the reset section, after pulling the reset switch knob, the reset tooth pushing is from described multiple
It slides in the tooth pushing supporting table of position, is engaged with the reset section；The reset tooth pushing pushes the driving cog by the reset section
Item moves to the near end.
When rotating reset switch knob to distal end in this way, resetting tooth pushing can push driving rack to move to the near end, and rotate backward multiple
When the switch knob of position, the pawl structures for resetting tooth pushing skid on the ratchet structure of reset section, do not generate active force to driving rack, into
And when engaging reset tooth pushing with reset section, power proximally can only be generated to driving rack, driving rack move to the near end, make
Jaw energy smooth opening.And in closed action, movement of the rack gear to distal end will not be influenced by rotating backward reset switch knob.
As seen in figures 3-6, in the optinal plan of the present embodiment, torsional spring pin shaft, the torsional spring pin shaft are set on the bracket
On be provided with tooth pushing torsional spring, the tooth pushing torsional spring is abutted with the reset tooth pushing.
Torsional spring, which is arranged, can make to reset the more firm of tooth pushing and reset section ratchet engagement.
Embodiment two
As depicted in figs. 11-12, it this embodiment offers a kind of electronic hysteroscope stapler, including nail bin groupware, barrel assembly, curves
Knob, stapler main body, fixed handle and above-mentioned electronic hysteroscope stapler resetting apparatus；
The nail bin groupware, barrel assembly curve knob, stapler main body, fixed handle and are sequentially connected；
Hand-reset lid is provided on the stapler main body, the electronic hysteroscope stapler resetting apparatus is fixed on described coincide
In device main body, the electronic hysteroscope stapler resetting apparatus can be operated by opening hand-reset lid.
When electronic hysteroscope stapler breaks down, hand-reset lid is opened, Xiang Yuanduan spinning reduction portion makes driving rack
It moves to the near end, driving rack drives barrel assembly, and then the jaw of nail bin groupware is driven to open, and completes to reset；It reversely rotates
Reset portion keeps driving rack mobile to distal end, and driving rack drives barrel assembly, and then drives the jaw closure of nail bin groupware,
Again to distal end spinning reduction portion, the jaw of nail bin groupware opens again, completes to reset.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of electronic hysteroscope stapler resetting apparatus, which is characterized in that including reset portion, driving rack, driven gear and branch
Frame；
The reset portion is rotatably connected on the bracket；The reset portion includes engaging section and special-shaped clutch-plate；It is described
Engaging section is coaxially connected with the special-shaped clutch-plate, and the special-shaped clutch-plate pushes the driven gear after rotating the engaging section
Leave the driving rack；The engaging section is engaged with the driving rack；
The driving rack is reciprocally supported in the bracket；The driving rack include coincide section, close segments and
Reset section；The identical section is engaged with driven gear；The close segments and reset section in the same plane, and the engaging portion
It is not engaged with the close segments and the reset section；When the engaging section is engaged with the reset section, the engaging section pushes institute
Driving rack is stated to move to the near end；The close segments are not less than the electricity in the reset section distal end, the length of the close segments
The closing stroke of dynamic hysteroscope stapler；
The driven gear engages under the support of elastomeric element with driving rack.
2. electronic hysteroscope stapler resetting apparatus according to claim 1, which is characterized in that the engaging section includes multiple
Position tooth pushing resets closure gear piece and resets switch knob；The abnormity clutch-plate, reset closure gear piece and the reset switch knob are logical
Pin shaft is crossed to be sequentially connected；The pin shaft is fixed on the bracket；It is remote that the reset tooth pushing is rotatably mounted to reset switch knob
From in the one side for resetting closure gear piece, the relatively described rotation axis for resetting switch knob of tooth pushing that resets is in the remote of the pin shaft
End.
3. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that the abnormity clutch-plate is high
Degree is less than length, and before stirring the reset switch knob, the abnormity clutch-plate short transverse does not influence the driven gear and passes
Carry-over bar engagement, after stirring the reset switch knob, the abnormity clutch-plate length direction is contacted and is pushed away with the driven gear
Moving the driven gear overcomes the elastic force of the elastomeric element to move, until the driven gear is detached from the driving rack；Institute
It states and is provided with protrusion on the outside of special-shaped clutch-plate short transverse, it is described convex after the driven gear pushed away from the driving rack
It rises and is against the driven gear flank, the special-shaped clutch-plate is prevented back to move；
The abnormity clutch-plate is provided with limiting slot, and the reset switch knob is provided with limited block；The reset switch knob passes through described
What limited block pushed the limiting slot on one side rotates the special-shaped clutch-plate, and the reset switch knob is in the limit
Rotary motion in the range of slot limitation.
4. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that the reset is closed gear piece
Outside is provided with engaging tooth, and the engaging tooth circumferential length is not less than the length of the close segments.
5. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that reset portion further includes limit
Piece；The first limit film mounting groove is provided on the reset switch knob；The second limit film peace is provided on the reset closure gear piece
Tankage；The limit film mounting groove is inserted into described limit film one end, and the other end is swingable and insertion second limit film is installed
Slot.
6. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that set on the reset switch knob
It is equipped with limited post；Waist hole is provided on the reset closure gear piece；The limited post is inserted into the waist hole.
7. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that the institute of the driving rack
Plane is vertical with plane where the close segments and the reset section where stating identical section；The close segments and the reset section are wrong
Arrangement is opened, the closed reduction gear piece is engaged with the close segments, and the reset tooth pushing is engaged with the reset section.
8. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that the reset section is ratchet
Structure；The reset tooth pushing is pawl structures；It is provided on the bracket and resets tooth pushing supporting table, the reset tooth pushing supporting table
It is not contacted with the reset section pulling reset tooth pushing described in the reset switch knob front support, after pulling the reset switch knob,
The reset tooth pushing is slided from the reset tooth pushing supporting table, is engaged with the reset section；The reset tooth pushing passes through described
Reset section pushes the driving rack to move to the near end.
9. electronic hysteroscope stapler resetting apparatus according to claim 2, which is characterized in that be arranged on the bracket and turn round
Spring pin shaft is provided with tooth pushing torsional spring on the torsional spring pin shaft, and the tooth pushing torsional spring is abutted with the reset tooth pushing.
10. a kind of electronic hysteroscope stapler, including nail bin groupware, barrel assembly, curve knob, stapler main body, fixed handle
And the described in any item electronic hysteroscope stapler resetting apparatuses of claim 1-9；
The nail bin groupware, barrel assembly curve knob, stapler main body, fixed handle and are sequentially connected；
Hand-reset lid is provided on the stapler main body, the electronic hysteroscope stapler resetting apparatus is fixed on described coincide
In device main body, the electronic hysteroscope stapler resetting apparatus can be operated by opening hand-reset lid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631237.4A CN109498090B (en) | 2018-12-29 | 2018-12-29 | Electric endoscope anastomat resetting device and electric endoscope anastomat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811631237.4A CN109498090B (en) | 2018-12-29 | 2018-12-29 | Electric endoscope anastomat resetting device and electric endoscope anastomat |
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| CN109498090B CN109498090B (en) | 2023-12-15 |
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