CN107049441A - A kind of puncture outfit for including the lock that automatically resets - Google Patents
A kind of puncture outfit for including the lock that automatically resets Download PDFInfo
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- CN107049441A CN107049441A CN201710410243.6A CN201710410243A CN107049441A CN 107049441 A CN107049441 A CN 107049441A CN 201710410243 A CN201710410243 A CN 201710410243A CN 107049441 A CN107049441 A CN 107049441A
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- latch fitting
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- Heart & Thoracic Surgery (AREA)
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Abstract
The present invention relates to a kind of puncture outfit for including the lock that automatically resets, comprising puncture needle and thimble assembly, described sleeve pipe component includes instrument seal, zero sealing, the first firmware, the second firmware, top casing, lower case and the hollow sleeve being attached thereto;Zero sealing is sandwiched between the lower case and the second firmware and zero seal assembly of composition that interfixes;Zero seal assembly also include air-valve assembly, the air-valve assembly be arranged on the lower case on and with the hollow sleeve UNICOM;Described sleeve pipe component also includes the connection instrument seal component and the latch fitting of zero seal assembly to selectivity, and the latch fitting includes button, and the button exceeds the outer surface of the thimble assembly limited to the top casing and lower case;Described sleeve pipe component includes front region, left surface region, right flank region and back region, and the button is arranged in the front region, and does not interfere left-handed and dexterous standard grip gimmick.
Description
Technical field
The present invention relates to Minimally Invasive Surgery apparatus, especially relate to more particularly to a kind of puncture outfit structure.
Background technology
Puncture outfit is the artificial channel for entering body cavity in a kind of Minimally Invasive Surgery (especially hard tube endoscope-assistant surgery) for setting up
Operating theater instruments.Puncture outfit generally comprises thimble assembly and puncture needle two parts.Its clinical general occupation mode is:First suffering from
Osculum is cut on person's skin, then puncture needle is run through into thimble assembly, the distal end of puncture needle exceedes the distal end of thimble assembly, then together
Enter body cavity via body wall is penetrated at skin openings.Operative doctor grips puncture outfit and applies larger puncture procedure power, is used for
Overcome the resistance for puncturing and cutting open tissue, and expansion and the tissue that swells resistance.When the distal end of puncture needle and thimble assembly is whole
When body penetrates patient's body wall, the resistance suddenly disappears, and doctor has little time to stop force or due to effect of inertia, the puncture needle
Distal end may accidental injury patient's interior tissue.To reduce this accident trauma risk, numerous designs person has carried out substantial amounts of
Innovative design, has formd knife protection puncture needle, no three major classes of knife puncture needle and visual puncturing pin.Different types of puncture needle
Respectively there are advantage and inferior position, operative doctor often formulates rational according to operation species, operative site and patient profiles' comprehensive consideration
Set up the method for puncture channel and select matching puncture needle.
In hard tube endoscope-assistant surgery, it need to generally set up and maintain stable pneumoperitoneum, to obtain enough operation technique spaces.Set
Tube assembly is generally by sleeve pipe, shell, diaphragm seal (also known as instrument seal) and zero sealing (also known as automatic-sealed) composition.Described sleeve pipe
Penetrated outside body cavity to body cavity, the passage of body cavity is passed in and out as apparatus.Zero sealing is generally not provided for insertion instrument
Sealing, and close automatically when apparatus is removed and form sealing.The diaphragm seal banding apparatus and is formed when apparatus is inserted
Sealing.
In disclosed existing thimble assembly, the usual instrument seal constitutes the first sealing group with the cage connection
Part, zero sealing is constituted with described sleeve pipe passes through fast lock machine between the second seal assembly, first and second seal assembly
Structure is connected.The first, the second seal assembly is easily fitted together and locked automatically by the quick lock mechanism, simultaneously
The first, the second seal assembly can be split by the quick lock mechanism with single handed release.This design is typically to side
Just tissue is taken out in performing the operation out of patient body.For example in performing the operation obtained using apparatus after patient's in-vivo tissue sample, release is described
Quick lock mechanism removes first seal assembly, then the sample only need can be removed through zero passage sealing it is external, without
Must excessively described instrument seal.So it is easier to take out sample and smaller damage is produced to sample.
The implementation of the quick lock mechanism is a lot:It is entitled " to be used for the rotation of trochar filed in September in 2004 30 days
A kind of spring driven blocks rotation portion is disclosed in the Chinese invention application 200410092127.8 (mandate) of block sytem "
Part realizes the scheme of fast lock connection.Filed in 1 day March in 2014, the Chinese invention application of entitled " modified form puncture outfit "
The connection defective tightness of the first, the second seal assembly of prior art is disclosed in 201410072509.7 (mandates), is caused
Leakage phenomenon easily occurs;And propose the scheme that a kind of spring driven lock moved horizontally inserts the fast lock connection of body realization.
Filed in 15 days July in 2014, a kind of entitled " microtrauma puncture device " Chinese invention application 201410335388.0 (mandate) is draped over one's shoulders
Revealed it is a kind of it is spring driven can the blocks rotation part of Bidirectional unlocking realize the scheme of fast lock connection.It is disclosed for described
The improvement of Kuai Suo bindiny mechanisms between the first, the second seal assembly also has a lot, is not being repeated to save length.And pursue more
Simply, it is more reliable, operate the exploration of more easily quick lock mechanism also continuing.
The content of the invention
To solve the problem or multiple problems of aforementioned background art, it is an object of the invention to propose that one kind is included
Automatically reset the puncture outfit of lock, comprising puncture needle and thimble assembly, and described sleeve pipe component includes instrument seal, zero sealing, the
One firmware, the second firmware, top casing, lower case and the hollow sleeve being attached thereto;The instrument seal is sandwiched in described
Between top casing and the first firmware and interfix composition apparatus seal assembly, it is described zero sealing be sandwiched in the lower case
And second between firmware and zero seal assembly of composition that interfixes;Zero seal assembly also includes air-valve assembly, the air valve
Component be arranged on the lower case on and with the hollow sleeve UNICOM;Wherein:Described sleeve pipe component is also included to select
The connection instrument seal component and the latch fitting of zero seal assembly of selecting property, the latch fitting include button, and the button is beyond extremely
The outer surface for the thimble assembly that the top casing and lower case are limited;Described sleeve pipe component includes front region, left surface
Region, right flank region and back region, the button are arranged in the front region, and do not interfere left-handed and usual
The standard grip gimmick of the right hand.
It is preferred that, the button generally axially aligns with the air-valve assembly.
It is preferred that, the latch fitting is limited in the way of being coordinated by gap between the lower case and the second firmware, described
Latch fitting can be moved being approximately perpendicular in the transverse plane of lower case axis;The latch fitting also includes latch fitting framework and elastic reset
Arm, the button, latch fitting framework and elastic reset arm connect and compose overall single part and are made up of plastic material;It is described
First firmware and the latch fitting, which cooperate, constitutes the first sealed position, the second sealed position and the 3rd sealed position, and described the
One, second, the 3rd sealed position, which cooperates, is fixed together the instrument seal component and zero seal assembly;Apply unblock
External force drives the button, and latch fitting motion accordingly makes the first, the second, the three sealed position unblock, then the apparatus is close
Sealing assembly and zero seal assembly are separated from each other;The unblock external force is removed, the elastic reset arm drives the latch fitting to reset.
It is preferred that, the latch fitting also include through the button and with the approximately axially vertical horizontal stroke of described sleeve pipe component
Axle;The latch fitting includes the first latch hook, the second latch hook and the 3rd latch hook, and the first, the second latch hook is arranged on the latch fitting frame
Proximal location of the frame along X direction with the latch fitting framework is rigid links into an integrated entity, and the 3rd latch hook be arranged on it is described
Remote location of the latch fitting framework along X direction is linked into an integrated entity with the latch fitting framework by flexible arm;The first firmware bag
Containing the first lock, the second lock and the 3rd lock, first lock and the first latch hook, which coordinate, constitutes the first sealed position,
Second lock and the second latch hook, which coordinate, constitutes the second sealed position, and the 3rd lock and the 3rd latch hook, which coordinate, to be constituted
The 3rd sealed position;Applying unblock external force drives the button to do horizontal fortune towards the direction of described sleeve pipe component internal
Dynamic, the first, the second latch hook is done moves to unblock in the same direction with the button, and described in the flexible arm elastic deformation and driving
3rd latch hook is done moves to unblock with the button opposite direction.
It is preferred that, first firmware includes the first lip, and second firmware includes the second lip, first lip
Composition lip is mutually matched with the second lip to coordinate;The lip coordinates instrument seal component and the zero sealing group described in major limitation
The transverse movement of part, and instrument seal component described in the first, the second and the three sealed position major limitation and described zero close
The axial movement of sealing assembly.
It is preferred that, first firmware includes lower ring wall, the lower ring wall and described zero in sealing contact and in contact position
Form hermetic seal.
Brief description of the drawings
In order to more fully understand the essence of the present invention, it is described in detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is the puncture outfit stereogram of first embodiment of the invention;
Fig. 2 is the thimble assembly of Fig. 1 puncture outfits and the decomposition view of puncture needle;
Fig. 3 is the partial sectional view of Fig. 1 described sleeve pipe components;
Fig. 4 is the decomposition view of zero seal assembly of thimble assembly shown in Fig. 3;
Fig. 5 is the stereogram of the latch fitting of zero seal assembly shown in Fig. 4;
Fig. 6 is the latch fitting scheme of installation of zero seal assembly shown in Fig. 4;
Fig. 7 is the schematic diagram after the assembling of zero seal assembly shown in Fig. 4;
Fig. 8 is the schematic diagram of the instrument seal component of thimble assembly shown in Fig. 3;
Fig. 9 is the partial sectional view at the latch hook and snap fit of thimble assembly;
Figure 10 is the lock schematic diagram of original state;
Figure 11 is the lock schematic diagram of released state;
Figure 12 is zero seal assembly schematic diagram of another embodiment;
Figure 13 is the instrument seal component diagram of another embodiment;
Figure 14 is the partial sectional view of the thimble assembly of another embodiment;
Figure 15 is the partial sectional view of the thimble assembly of another case study on implementation;
Figure 16 is the schematic diagram of the instrument seal component of thimble assembly shown in Figure 15;
Figure 17 is the decomposition view of zero seal assembly of thimble assembly shown in Figure 15;
Figure 18 is the latch fitting stereogram of zero seal assembly shown in Figure 17;
Figure 19 is the reversed isometric view of latch fitting shown in Figure 18;
Figure 20 is the latch fitting scheme of installation of zero seal assembly shown in Figure 17;
Figure 21 is the schematic diagram after the assembling of zero seal assembly shown in Figure 17;
Figure 22 be thimble assembly shown in Figure 15 be in released state when its latch hook and snap fit at partial sectional view;
Figure 23 is the partial sectional view at the latch hook and snap fit of thimble assembly shown in Figure 15;
Figure 24 is the decomposition view of zero seal assembly of another embodiment;
Figure 25 is the latch fitting stereogram of zero seal assembly shown in Figure 24;
Figure 26 is the reversed isometric view of latch fitting shown in Figure 25;
Figure 27 is the latch fitting scheme of installation of zero seal assembly shown in Figure 24;
Figure 28 is Figure 27 close-up schematic view;
Figure 29 is the released state schematic diagram of zero seal assembly shown in Figure 27;
Figure 30 is Figure 29 close-up schematic view;
Right hand when Figure 31 is the puncture outfit clinical practice of prior art grips gimmick schematic diagram;
Left-handed gimmick schematic diagram when Figure 32 is the puncture outfit clinical practice of prior art;
Figure 33 is projection view before puncture outfit 1000;
Figure 34 is the left side projection view of puncture outfit 1000;
Figure 35 is the projection view of the proximate of puncture outfit 1000;
Right hand when Figure 36 is the puncture outfit clinical practice of the present invention grips gimmick schematic diagram;
Left-handed gimmick schematic diagram when Figure 37 is the puncture outfit clinical practice of the present invention;
In all views, identical label represents equivalent part or part.
Embodiment
Disclosed herein is embodiment of the present invention, it should be understood, however, that disclosed embodiment is only of the invention
Example, the present invention can be realized by different modes.Therefore, this disclosure is not to be construed to be restricted, and
It is the basis only as claim, and how basis of the invention is used as teaching those skilled in the art.
With reference to Fig. 1-2, for convenience of stating, the side of follow-up all Proximity operation persons is defined as near-end, and away from operator
One side is defined as distal end.The central axis for defining thimble assembly 200 is the longitudinal axis 10, and the direction of follow-up all almost parallel longitudinal axis 10 claims
For axial direction, define the button of insertion thimble assembly 200 and the axis substantially vertical with the longitudinal axis 10 is transverse axis 20, it is follow-up all big
The direction of parallel transverse axis 20 is caused to be referred to as transverse direction.
Fig. 1-9 depicts overall structure and the assembling of the puncture outfit of one embodiment of the present invention.Fig. 1-3, which is depicted, to be worn
Pierce the overall structure of device 1000.A kind of typical puncture outfit 1000 includes puncture needle 100 and thimble assembly 200.Thimble assembly 200
Include the seal assembly 400 of instrument seal component 300 and zero.The instrument seal component 300 includes the first firmware 310, top cover 370
With sealing membrane modules 320 sandwiched therebetween.The seal assembly 400 include main body 410, latch fitting 430, zero sealing 450, second consolidate
Part 470 and valve module 490.Those skilled in the art are certain it is understood that during thimble assembly 200 is inserted into stomach wall, and
During normal operating process, the seal assembly 400 of instrument seal component 300 and zero keeps firmly connecting and reliable sealing is
It is highly important.But, operative doctor for example needs dismounting apparatus when taking out sample when taking out sample tissue from abdominal cavity
Seal assembly 300 can more facilitate, and such sample tissue is only by zero sealing 450, rather than need to pass through zero sealing 450 simultaneously
With sealing membrane modules 320.This mode can be easier to take out sample during taking-up, while reducing sample tissue due to squeezing
The situation that pressure produces damage occurs.
The structure and composition for depicting the instrument seal component 300 more detailed in Fig. 3 and Fig. 8.Described first consolidates
Centre bore 313 of the part 310 comprising planar shaped wall part 311 and insertion.First firmware 310 also includes and the wall part
The upper ring wall 314 and upper case 315 of the 311 proximally facing extensions being connected, and the He of lower ring wall 316 extended towards distal end
First lip 317, the upper case 315 and the first lip 317 are connected and smooth transition.The top cover 370 includes top shell
371 and the through hole 373 that runs through, the top cover 370 is also comprising proximal end plane 372 and from the inside of the top shell 371 to distal end
The internal ring wall 374 of extension.The sealing group membrane module 320 includes diaphragm seal 330 and screening glass 340, can use and be bonded or other
The screening glass 340 is fixed on the diaphragm seal 330 by mechanical means, and in this example, the screening glass 340 is embedded in
On the diaphragm seal 330.The diaphragm seal 330 is comprising diaphragm seal near-end 334 and distal seal hole 338 and at it
Between the sealed wall that extends.The diaphragm seal near-end 334 is fixed between the upper ring wall 314 and internal ring wall 374.Described first
Fixed form between firmware 310 and top cover 370 has a variety of, can be glued using interference fit, ultra-sonic welded, and buckle is fixed etc.
Mode.Fixed between the top shell 371 and upper case 315 that the present embodiment displaying connected mode is by ultrasonic bonding.
This fixation causes the near-end 334 of the sealing membrane modules 320 to be in compressive state.The centre bore 313, distal seal hole
338 and through hole 373 it is substantially aligned, formed apparatus turnover passage.
The structure and composition for depicting zero seal assembly 400 more detailed in Fig. 3 and Fig. 4.The main body 410 is wrapped
Include an elongated tubular 412, the elongated tubular 412 comprising open distal end 419 and be connected with main body cover 411 extend through described in
Distally 419 hollow sleeve 413.The distal end 419 is limited by described sleeve pipe lip 414.The main body 410 is also comprising support zero
Sealed inwall 426 and the air valve mounting hole 427 with inwall UNICOM.Valve element 496, which is arranged in valve body 492, forms valve module 490
And be installed along with the mounting hole 427.
With reference to Fig. 5, the latch fitting 430 includes latch fitting framework 432, and the framework 432 includes framework proximal end face 433 and framework
The (not shown) of distal face 434, the latch fitting framework 432 limits central through hole 431.In this example, the latch fitting framework 432 is
The enclosed construction of the proximate annular of plane, but a those skilled in the art are it is contemplated that the latch fitting framework can also be by
The structure of the muscle of other shapes, beam or wall composition or non-close.The latch fitting 430 also includes connecting with the framework 432
Into the first reset arm 437 of an entirety, the second reset arm 438 and button 436.The latch fitting 430 also includes proximally facing prolong
Rigid first latch hook 442 stretched, rigid second latch hook 444 and rigid 3rd latch hook 446, wherein first latch hook
442 and second latch hook 444 be arranged on proximal location of the latch fitting framework 432 along the direction of transverse axis 20 and the framework 432 is direct
Link together, its connection is rigid;And the 3rd latch hook 446 is arranged on the latch fitting framework 432 along the direction of transverse axis 20
Remote location and together with being indirectly connected with the framework 432 by the first flexible arm 447 and the second flexible arm 448, it connects
It is flexible to connect.First, second, third latch hook 442 (444,446) is comprising importing inclined-plane, lock plane and cantilever, institute
The importing inclined-plane for stating first, second, third latch hook 442 (444,446) is downward along longitudinal direction, the lock of first, second latch hook
Face is allocated along the proximally facing direction of transverse axis 20, and the lock plane of the 3rd latch hook 446 is along transverse axis 20 towards distal direction.
With reference to Fig. 4 and Fig. 7, centre bore 473 of second firmware 470 comprising planar shaped wall part 471 and insertion is also wrapped
Extend containing the shell wall 472 being connected with the wall part 471, the second lip 474 of proximally facing extension and towards distal end
Mounting post 478.In this example, second lip 474 includes column lip 474a and straight lip 474b.Second firmware 470
Keeping away a through hole 475 and keep away a through hole 476 through second lip 474 through the wall part 471 is also included, it is described to keep away
Position through hole 475 and keep away a through hole 476 size and position and the latch fitting 430 the first, the second and the three latch hook it is adaptable.
With continued reference to Fig. 4-7, the main body 410 also includes multiple limit ribs 422, and multiple limited posts 423 are multiple hollow solid
Fixed column 428 and button installation position 424.Zero sealing 450 includes flange portion 456, and zero proximally extended from flange
Sealed wall 454 and the duckbilled 453 to distal end extension.Referring now to such as Fig. 6, it is described zero sealing 450 be installed to the main body 410 it
On, wherein the flange portion 456 is contacted with the inwall 426.With continued reference to Fig. 6, the latch fitting 430 is installed to the main body
On 410, wherein the distal face 434 of latch fitting 430 matches with the limit rib 422;The button 436 is installed with the button
Position 424 matches;First reset arm 437, contact outside and place of second reset arm 438 with the hollow fixed column 428
In initial compressed state;The flexible arm 448 of first flexible arm 447 and second is contacted with the limited post 423 and in initial
Compressive state.Now referring primarily to Fig. 4 and Fig. 7, second firmware 470 is fixed together with the main body 410.Described second consolidates
Fixed form between part 470 and main body 410 has a variety of, can be glued using interference fit, ultrasonic bonding, and buckle is fixed etc.
Mode.The interference fit of 4 mounting posts 478 and 4 hollow fixed columns 428 in the present embodiment.The flange part of zero sealing 450
Divide 456 to be sandwiched between the firmware 470 of inwall 426 and second and the flange 456 is in confined state.The latch fitting
430 are sandwiched between the firmware 470 of limit rib 422 and second and in clearance fit state, wherein first latch hook
442, the second latch hook 444 and the 3rd latch hook 446 keep away a through hole 475 and keep away a through hole 476 and project to described second through described
Outside lip 474, and the button 436 exceeds to outside the main body cover 411.
With reference to Fig. 8, first firmware 310 also matches comprising the first, the second, the three latch hook with the latch fitting 430
The first buckle 319a, the second buckle 319b and the 3rd buckle 319c.First lip 317 is included and the shape of the second lip 474
Column lip 317a and straight lip 317b that shape and size match.Referring now to Fig. 9, the instrument seal component 300 and zero is sealed
Component 400 is joined together to form thimble assembly 200, wherein the buckle 319a of first latch hook 442 and first matches to form
One sealed position, the buckle 319b of the second latch hook 444 and second matches to form the second sealed position, the 3rd latch hook 446 and
Three buckle 319c match to form the 3rd sealed position.And the ring wall 316 contacts and forces zero sealed wall 454 to be in compression
State so that the instrument seal component 300 limit instrument channel and zero seal assembly 400 limit instrument channel it
Between join domain formation hermetic seal.In a kind of scheme, the lip 474 of the first lip 317 and second is mutually matched composition lip
Coordinate;The transverse movement of instrument seal component and zero seal assembly described in the lip cooperation major limitation, and described first,
Second and the 3rd instrument seal component and zero seal assembly described in sealed position major limitation axial movement.This area
Technical staff is contemplated that, it would however also be possible to employ approximate function is realized in other spacing measures.
The aspect graph of latch fitting 430 when Figure 10 is depicted at original state or lock-out state.Figure 11 is depicted at pressure
The aspect graph of the latch fitting 430 of contracting state or released state.Sealed action process is as follows:When by the court of instrument seal component 300
When being detained to zero seal assembly 400, the importing that the first lock 319a axially downwardly extrudes first latch hook 442 is oblique
Face 443a and produce laterally upwards (with Figure 11 view) component F1, and the second lock 319b is axially downwardly extruded
The importing inclined-plane 445a of second latch hook 444 and produce laterally upward component F2, the component F1With component F2Driving is described
The overall transverse direction of latch fitting framework 432 is moved up until the latch hook 444 of the first latch hook 442 and second is hidden into second lip
Inside portion 474.The latch fitting framework 432 is overall laterally to move upwardly so that the reset arm 438 of the first reset arm 437 and second
Continue to compress and produce larger elastic deformation;And the entirety of latch fitting framework 432 laterally moves upwardly so that the limited post
Spacing between 423 and the latch fitting framework 432 reduces, so that compressing the flexible arm 448 of the first flexible arm 447 and second makes
The 3rd latch hook 446 produce displacement laterally down (with Figure 11 view) until the 3rd latch hook 446 hide into
To inside second lip 474.When described first latches 319a, it is axially downwardly complete that the second lock 319b and the 3rd latches 319c
It is complete across behind the importing inclined-plane of the first, the second and the three latch hook, the component F1And F2Disappear, first reset arm
437, the second reset arm 438, the first flexible arm 447 and the rapid resilience of the second flexible arm 448 reset so that first latch hook
442 lock plane 442b be engaged with the described first lock 319a, the lock plane 444b of second latch hook 444 and described the
Two lock 319b occlusions, the lock plane 446b of the 3rd latch hook 446 is engaged with the described 3rd lock 319c.So as to by described in
The seal assembly 400 of instrument seal component 300 and zero is reliably connected and fixed (as shown in Figure 9).
Unlocking motion process is as follows:It is laterally upward (with Figure 11's when applying to the button 436 with continued reference to Fig. 9-11
View) releasing force F3, drive the transverse direction of the entirety of latch fitting framework 432 to move up until first latch hook 442
Hidden with the second latch hook 444 inside second lip 474.The latch fitting framework 432 is overall laterally to move upwardly so that institute
State the first reset arm 437 and the second reset arm 438 continues to compress and produce larger elastic deformation;And the latch fitting framework 432
The overall spacing laterally moved upwardly so that between the limited post 423 and the latch fitting framework 432 reduces, so as to compress described
First flexible arm 447 and the second flexible arm 448 cause the 3rd latch hook 446 to produce displacement laterally down until the described 3rd
Latch hook 446 is hidden inside second lip 474.Now it is described first lock 319a and the first latch hook 442 dockingundocking,
The dockingundocking of the second lock 319b and the second latch hook 444, the connection of the 3rd lock 319c and the 3rd latch hook 446 take off
From.So as to which the instrument seal component 300 is separated with zero seal assembly 400.Remove the releasing force F3, described first answers
Position arm 437, the second reset arm 438, the first flexible arm 447 and the rapid resilience of the second flexible arm 448 drive the latch fitting 430 to answer
Position.
In current disclosed prior art, quick connection and fractionation between instrument seal component and zero seal assembly are realized
Latch fitting or also known as quick lock mechanism it is a lot, quick lock mechanism (the referred to as movable latch fitting that one of which is mainly made up of movable latch fitting
Mechanism) disassembly and assembly it is more convenient, using relatively broad.Its typical application case includes:For example US8029475 is draped over one's shoulders
The rotational latching system of dew;For example Chinese invention patent 201410335388.0 disclose can Bidirectional unlocking blocks rotation portion
Part;The double back font lock scheme for example in Chinese invention 201310202250.9 disclosed;Such as Chinese invention patent
201410072509.7 the lock moved horizontally of middle disclosure inserts body scheme etc..The quick lock mechanism, need to ensure that connection is reliable
Under the premise of, it is dismantled and refitting is as far as possible convenient and dismounting and refitting it is firmly as far as possible small, to obtain preferable operating experience, simultaneously
It, which is manufactured, should try one's best simply with cost-effective.Up to the present, the movable latch fitting mechanism being disclosed is generally configured with jointly
Feature, i.e., be mainly made up of the latch fitting of spring driven translational motion or rotation, and its usual latch fitting is only comprising two sealed positions.
Those skilled in the art, which is to be understood that, is limited to the design feature of thimble assembly in itself, and the spring usually requires design
Into fine size, even and if spring is designed to small structure, generally need for taking relatively large installing space, so as to lead
The design and installation of other parts (such as zero sealing, movable latch fitting or air-valve assembly etc.) are caused to be limited by larger.It is generally thin
Little spring causes the assembling of described sleeve pipe component to become complicated, and is difficult to robot automation's assembling.It is additionally based on correlation
Theory of mechanics understands that usual two limit point is only capable of limiting translational motion and can not limiting the rotation fortune using two limit point as axle
Dynamic, i.e., the structure at two sealed positions is generally built on the sand, it is often necessary to using the side for increasing sealed contact area and increase locking force
Formula makes up, so that the operating experience for causing to dismantle or resetting is not good.
Those skilled in the art is to be understood that what latch fitting of the present invention was connected therewith comprising latch fitting framework
Elastic reset arm constitutes single part and is made up of plastic material, it is not necessary to uses extra Spring driving, can save peace
Fill space and simplify assembly manipulation.Simultaneously as spring installing space need not be reserved, the latch fitting and other parts can be set
That counts is more complicated.In the present embodiment, first firmware 310 and the latch fitting 430, which cooperate, constitutes the first sealed position,
Second sealed position and the 3rd sealed position, the first, the second, the three sealed position cooperate the instrument seal group
Part and zero seal assembly are fixed together.So that the connection of the instrument seal component and zero seal assembly is more firmly peaceful
Surely, and can reduce its connection locking force, make the operating experience of dismounting or refitting more preferably.The latch fitting can pass through injection molding manner one
It is body formed, it is not necessary to the elastic part such as extra increase spring, it is effectively reduced number of parts and assembly process.The injection modeling
Expect material, including but not limited to polyamide (PA), polyamide+glass fibre, makrolon (PC), polymethyl methacrylate
(PMMA), polypropylene (PP), cyclenes hydrocarbon type copolymer (COC), acrylonitrile-butadiene-styrene copolymer (ABS) etc..
Figure 12-14 depicts another implementation, and described sleeve pipe component 200a includes instrument seal component 300a and zero
Seal assembly 400a.Described sleeve pipe component 200a and described sleeve pipe component 200 structure and composition are substantially equivalent, and it distinguishes main
It is the join domain formation gas between the instrument channel that the instrument channel of instrument seal component restriction and zero seal assembly are limited
Sealed mode.In the present embodiment, the zero seal assembly 400a includes the upper annular lip 478a of proximally facing extension, it is described on
Annular lip 478a includes sealing ring fixing groove 478b, in addition to positioning hole 478c;The instrument seal component 300a includes lower ring
Shape lip 318a and locating dowel 318c.Referring now to Figure 14, the instrument seal component 300a and zero seal assembly 400a are connected to one
Rise, the locating dowel 318c is matched with the positioning hole 478c, and sealing ring 460a is arranged in the fixing groove 478b, is in
Between the upper annular lip 478a and lower annular lip 318a, the instrument channel and zero sealing group for limiting instrument seal component 300a
Join domain formation hermetic seal between the instrument channel that part 400a is limited.
Figure 15-20 depicts the thimble assembly 500 of second embodiment of the present invention.Thimble assembly 500 is close comprising apparatus
The seal assembly 700 of sealing assembly 600 and zero.
The structure and composition of the instrument seal component 600 is depicted in Figure 15 and Figure 16.The instrument seal component 600
Comprising the first firmware 610, top cover 370 and sealing membrane modules 320 sandwiched therebetween.First firmware 610 includes planar shaped wall
The centre bore 618 of part 612 and insertion.The wall part 612 includes proximal end face 611 and distal face 613, upper ring wall 314 and institute
Wall part 612 is stated to join together and proximally facing extension.First firmware 610 is also included outside upper case 315, the top
Shell 315 is connected and smooth transition with the wall part 612.The diaphragm seal near-end 334 is fixed on the upper ring wall 314
Between internal ring wall 374.Fixed between the top shell 371 and upper case 315 by ultrasonic bonding.This fixation causes institute
The near-end 334 for stating sealing membrane modules 320 is in compressive state.The centre bore 618, distal seal hole 338 and through hole 373 are basic
Alignment, forms the passage of apparatus turnover.First firmware 610 is also comprising first time adjutage 684, second time adjutage 683
And the three times adjutages 682.Each lower adjutage 684 (683,682) include cam face 684a directed downwardly (683a,
682a) with catch surface 684b (683b, 682b), described the first, the second and the three times adjutages 684 (683,682) are in triangle
Shape is approximately uniform to be arranged on the distal face 613 of first firmware 610.
The structure and composition of zero seal assembly 700 is depicted in Figure 15 and Figure 17.The seal assembly 700 includes master
Body 710, latch fitting 760, zero sealing 450, the second firmware 770 and valve module 490.The main body 710 includes an elongated tubular 412, should
Elongated tubular 412 includes open distal end 419 and the hollow sleeve for extending through the distal end 419 being connected with main body cover 411
Pipe 413.The main body 410 is also comprising zero sealed inwall 426 of support and the air valve mounting hole 427 with inwall UNICOM.Valve element 496
Valve module 490 is formed in valve body 492 and is installed along with the mounting hole 427.
With reference to Figure 18-19, the latch fitting 760 includes latch fitting framework 761 and the button 769 being attached thereto, the latch fitting
Framework 761 limits central through hole 768.The latch fitting framework 761 includes the first lock buckling part 764, the He of the second lock buckling part 763
3rd lock buckling part 762.The first, the second, the three lock buckling part 764 (763,762) respectively with the instrument seal storehouse 600
One, the second and the three times adjutage 684 (683,682) matchings.The first, the second and the three lock buckling part 764 (763,762) and institute
The first, the second and the three times adjutage 684 (683,682) correspondences are stated to be triangularly arranged.The latch fitting 760 is also included through institute
State button 769 and the approximately axially vertical transverse axis 20a with described sleeve pipe component 500.It is finer, first lock buckling part
764 are arranged on remote location of the latch fitting framework 761 along transverse axis 20a, and the second, the three lock buckling part (763,762) sets
Put the both sides of the proximal location in the latch fitting framework 761 along transverse axis 20a.The first, the second and the three lock buckling part 764
(763,762) each include proximally facing cam face 764a (763a, 762a);Likewise, described the first, the second and the three
Lock buckling part 764 (763,762) includes the catch surface 764b (763b, 762b) towards distal end, and its shape and size is set to
Match with the catch surface 684b (683b, 682b) of the first, the second and the three times adjutages 684 (683,682).The latch fitting
760 also comprising the reset arm 766 for being linked to be an entirety with the latch fitting framework 761.The reset arm 766 includes elastic cantilever
766a and spring top 766b, the elastic cantilever 766a is slender arm, with good elasticity capacity.A kind of implementation
In, the spring top 766b includes dull face or sphere, is easy to vertically coordinate in the outer surface of the inwall 426 and slides back and forth
It is dynamic.The latch fitting framework 761 also includes guide groove 765, and the guide groove 765 includes guide groove near-end 765a and guide groove distal end
765b。
With reference to Figure 17, centre bore 773 of second firmware 770 comprising planar shaped wall part 771 and insertion, also comprising with
Shell wall 772 and the mounting post 778 to distal end extension that the wall part 771 is connected.Second firmware 770 is also included and passed through
That wears the wall part 771 keeps away a through hole 775, the size for keeping away a through hole 775 and position and described the first, the second and the three
Lower adjutage 684 (683,682) is adapted.
With reference to Figure 15, Figure 17, Figure 20 and Figure 21, the main body 710 also includes multiple hollow fixed columns 721, multiple spacing
722,2 locating dowels 723 of muscle and button installation position 724.Referring now to 15, it is described zero sealing 450 be installed to the main body 710 it
On, wherein the flange portion 456 is contacted with the inwall 426.Referring now to Figure 19-20, the latch fitting 760 is installed to the master
On body 710, wherein the latch fitting framework 761 is sandwiched between the limit rib 722 and wall part 771;The button 769 with
The button installation position 724 matches;The locating dowel 723 is matched with the guide groove 765;The reset arm 766 and inwall
426 contact and in its pre-compressed state., will referring now to 20,4 mounting posts 778 and the interference fit of 4 hollow fixed columns 721
Second firmware 770 is fixed together with the main body 710.The flange portion 456 of zero sealing 450 is sandwiched in described
Between the firmware 770 of wall 426 and second and the flange 456 be in confined state.The latch fitting 760 is sandwiched in the limit rib
722 and second between firmware 770 and in clearance fit state.
Sealed action process is as follows:With reference to Figure 20 and Figure 22, the instrument seal component 600 is buckled to institute axially downward
When stating zero seal assembly 700, be first the cam face 684a (683a, 682a) extrude the cam face 764a (763a,
762a) produce the component F of laterally upward (with Figure 20 view)5, the component F5Laterally continue up the compression reset
Arm 766 makes it produce bigger elastic deformation, and drives the latch fitting framework 761 laterally to move up until the cam face
684a (683a, 682a) is mutually disengaged after fully passing over the cam face 764a (763a, 762a), then the separation F5Disappear
Lose.The cooperation of the guide groove 765 and the locating dowel 723 cause the latch fitting framework can only laterally move up or laterally to
Lower movement is without producing rotation.Referring now to Figure 23, as the separation F5After disappearance, the elasticity of reset arm 766 recovers driving institute
Latch fitting framework 761 is stated to move until the catch surface 684b (683b, 682b) and the catch surface 764b laterally down
(763b, 762b) is engaged, so as to realize that the seal assembly 700 of instrument seal component 600 and zero is reliably fastened on one
Rise.Zero sealed wall 454 realizes the sealing of contact area through the centre bore 618 and in interference fit state.
Unlocking motion process is as follows:With continued reference to Figure 20-23, apply laterally upward releasing force F to the button 7696,
Drive the latch fitting framework 761 overall laterally mobile until the catch surface 684b (with Figure 20 view) upwards
(683b, 682b) is disengaged with the catch surface 764b (763b, 762b).So as to by the instrument seal component 600 and zero
Seal assembly 700 is separated.Overall laterally move up of the latch fitting framework 761 forces reset arm 766 to produce bigger elastic compression
Deformation, as removing external force F6Afterwards, the rapid resilience of the reset arm 766 drives the latch fitting 760 to reset.
The advantage of the present embodiment and the beneficial effect that reaches and first embodiment it is essentially identical, it is necessary to it is emphasized that
The reset arm 766 of the latch fitting 760 of the present embodiment is arranged on axial direction, so that the horizontal space of preciousness has been saved, while it is tied
Structure is more simply more conducive to manufacture.
Figure 24-30 illustrate in detail another seal assembly 700a of implementation zero.The zero seal assembly 700a and institute
The structure and composition for stating seal assembly 700 is essentially identical, and only the structure of its latch fitting is different.With reference to Figure 23, the seal assembly
700a includes main body 710, latch fitting 860, zero sealing 450, the second firmware 770 and valve module 490.In this example, the main body
710 also include two limited posts 726.
With reference to Figure 25-26, the latch fitting 860 is that approximate U shape pitches structure, including button 868 and near symmetrical are distributed in institute
State both sides the first hammerlock 867 of button 868 and the second hammerlock 869.The latch fitting 860 includes the first lock buckling part 864, the second lock
The lock buckling part 862 of part 863 and the 3rd.The first, the second, the three lock buckling part 864 (863,862) respectively with the instrument seal
The first, the second and the three times adjutages 684 (683,682) matching in storehouse 600.The first, the second and the three lock buckling part 864
(863,862) are triangularly arranged with described the first, the second and the three times adjutage 684 (683,682) correspondences.The first, the second
Each include proximally facing cam face 864a (863a, 862a) with the 3rd lock buckling part 864 (863,862);Likewise, institute
Stating the first, the second and the three lock buckling part 864 (863,862) includes the catch surface 864b (863b, 862b) towards distal end, its
Shape and size be set to the catch surface 684b of the first, the second and the three times adjutages 684 (683,682) (683b,
682b) match.The reset arm 866 that the latch fitting 860 is also included, the reset arm 866 includes elastic cantilever 866a and elasticity
Top 866b, the elastic cantilever 866a are slender arm, with good elasticity capacity.The latch fitting 860 also includes guide groove
865, the guide groove 865 includes guide groove near-end 865a and guide groove distal end 865b.First hammerlock 867 also includes first
Cam portion 867a and the first elastic part 867b;Second hammerlock 869 also includes the second cam portion 869a and the second bullet
Property part 869b.
Referring now to Figure 27-30, the latch fitting 860 is installed on the main body 710, is sandwiched in the He of limit rib 722
Between wall part 771;The button 868 matches with the button installation position 724;The locating dowel 723 and the guide groove
865 matchings;The reset arm 866 is contacted with inwall 426 and in its pre-compressed state.Referring now to 21,4 mounting posts 778 and 4
The interference fit of hollow fixed column 721, second firmware 770 is fixed together with the main body 710.Zero sealing
450 flange portion 456 is sandwiched between the firmware 770 of inwall 426 and second and the flange 456 is in by compression shape
State.The latch fitting 860 is sandwiched between the firmware 770 of limit rib 722 and second and in clearance fit state.
Sealed action process, with reference to Figure 22, the instrument seal component 600 is buckled to the zero sealing group axially downward
It is that the cam face 684a extruding cam face 864a makes the latch fitting 860 produce laterally upwards first during part 700a
Displacement, and make the reset arm 866 it is produced bigger elastic deformation.Meanwhile, the cam face 682a extruding is described
Cam face 862a, forces the elastic part 867b to occur elastic deformation and make it that first hammerlock 867 is laterally outward inclined
Move in (direction as shown in Figure 30 arrows);The same cam face 683a extrudes the cam face 863a, forces the elasticity
Elastic deformation occurs for part 869b so that first hammerlock 869 is laterally outward offset.When the cam face 684a (683a,
When 682a) fully passing over cam face 764a (763a, 762a), the elastic reset of reset arm 866, the elastic part 867b
Elastic reset, the elastic part 869b elastic resets so that the catch surface 684b (683b, 682b) and the lock table
Face 764b (763b, 762b) is engaged, so as to realize the seal assembly 700a of instrument seal component 600 and zero, reliably connection is solid
It is scheduled on together.
Unlocking motion process, when applying laterally upward releasing force F to the button 7697, drive the latch fitting 860 whole
The transverse direction of body moves up (with Figure 29 view) until the catch surface 684b and catch surface 764b is disengaged;
Meanwhile, the latch fitting 860 is overall laterally to move up, and the limited post 726 extrudes the cam portion 867a and cam part
Divide 869a, the elastic part 867b is occurred elastic deformation and is forced first hammerlock 867 laterally outward to offset, equally make
The elastic part 867b occurs elastic deformation and forces first hammerlock 867 laterally outward to offset, until catch surface
683b, 682b and the catch surface 763b, 762b are disengaged, so as to by the seal assembly of instrument seal component 600 and zero
700a is separated.When removing the releasing force F7, the elastic reset of reset arm 866, the elastic part 867b elastic resets and
The elastic part 869b elastic resets cause the reset completely of whole latch fitting 860.
The advantage of the present embodiment and the beneficial effect that reaches and second embodiment it is essentially identical, it is necessary to it is emphasized that
The present embodiment is laterally outward offset so as in first hammerlock 867 and second due to the second, the three lock buckling part 863 (862)
Energy is stored in hammerlock 869, compared with second embodiment, the effect that automatically resets of latch fitting 860 is more preferable.
In another aspect of the present invention, a kind of puncture outfit is proposed, holding operation is easy in its configuration design.More summarize
Say, do not interfere the region of righthanded clinch and left-handed clinch while the button is arranged on thimble assembly.Such as
Described in background, when doctor, which grips puncture needle, penetrates patient's stomach wall, inside the possible accidental injury patient in distal end of the puncture needle
Tissue.Therefore the ergonomics of the puncture outfit moulding is most important, and the shape-designing of the puncture outfit is held for convenience of doctor
Hold, particularly preferably agree with various hands and various gripping gimmicks, be favorably improved doctor and worn to gripping puncture outfit
Control ability during thorn operation, is conducive to reducing the risk of the accidental injury.In order to preferably control puncture process, to current
Untill, carry out gripping gimmick gradually standardization and the immobilization of puncture outfit in operation during abdomen wall puncture.Figure 31-32 depicts mesh
The preceding most common puncture outfit of application grips one of gimmick.Figure 31-32 is disclosed with United States Patent (USP) US8029475, and batch is raw
Produce and describe by taking the puncture outfit 1000a (being the XCEL puncture outfits of 12mm specifications shown in figure) that trade name " XCEL " is sold as an example
Grip gimmick.The puncture outfit 1000a includes puncture needle 100a and thimble assembly 200a.Described sleeve pipe component 200a includes apparatus
Seal assembly and zero seal assembly and the rotational latching system that the two selectivity links together.Described sleeve pipe is defined first
Component 200a contains the side of air-valve assembly 106 for above, region on the other side for below, its two side areas be left surface and
Right flank (with Figure 31 Visual Observations Observations).The rotational latching system includes and protrudes into thimble assembly housing exterior from left surface
Button 107.
As shown in figure 31, right hand 110R grips the puncture outfit 1000a, and the right hand centre of the palm is close to behind puncture outfit, middle finger
103 are buckled in the intersection of the sleeve pipe of puncture outfit and lower case, and palm is close to be easy at the top of puncture outfit with wrist intersection
Force.Meanwhile, thumb 105 is attached to puncture outfit left surface and intersectional region above, and the third finger 102 and little finger of toe 101 are attached to
The right flank of puncture outfit, so that by puncture outfit control in the centre of the palm.And forefinger 104 props up the sleeve pipe of puncture outfit to control puncture side
To and contribute to control puncture outfit penetrate the depth of stomach wall, so as to prevent unexpected generation.The dexterous doctor of Figure 31 displayings
Puncture outfit 1000a standard gimmick is gripped, the button 107 of protrusion is just at the space between thumb and forefinger, and it is operated
Experience is very well in other words close to perfection.
Figure 32 illustrates the standard gimmick that left-handed doctor grips puncture outfit 1000a, due to depositing for air-valve assembly 106
, it is difficult to grip or gimmick are changed, using the gripping gimmick essentially identical with Figure 31.Left hand 110L grips the puncture outfit
1000a, the left hand centre of the palm is close to behind puncture outfit, and middle finger 103 is buckled in the sleeve pipe of puncture outfit and the intersection of lower case, and hand
The palm is close to be easy to force at the top of puncture outfit with wrist intersection.Meanwhile, thumb 105 is attached to puncture outfit right flank and above
Intersectional region, and the third finger 102 and little finger of toe 101 are attached to the left surface of puncture outfit, so that by puncture outfit control in the centre of the palm.And forefinger
104 prop up the sleeve pipe of puncture outfit to control to puncture direction and to contribute to control puncture outfit to penetrate the depth of stomach wall, so as to prevent
It is unexpected to occur.The left-handed doctor of Figure 31 displayings grips puncture outfit 1000a standard gimmick, and the button 107 of protrusion is disturbed
The grip position of the third finger 102 or little finger of toe 101, its operating experience is imperfect poor in other words.
In current disclosed prior art, quick connection and fractionation between instrument seal component and zero seal assembly are realized
Quick lock mechanism it is a lot, the dismounting for the quick lock mechanism (referred to as movable latch fitting mechanism) that one of which is mainly made up of movable latch fitting and
Ressemble it is more convenient, using relatively broad.The current disclosed thimble assembly containing movable latch fitting mechanism, generally by it
Unblock button is arranged on the left field of thimble assembly, and this set is especially suitable for dexterous doctor's holding operation, but
But left-handed doctor's operation is not suitable for.According to incompletely statistics, the left-handed people of China accounts for the 8~12% of total population,
And American-European left-handed ratio is relatively higher, and doctor colony is relative to ordinary populace that its left-handed ratio is higher.So
And in Design for Medical Device field, the design of many medicine equipments, such as operation pliers, tweezers, scissors, mostly according to custom
The right hand is designed and produced, for left-handed doctor, with these medicine equipments sometimes very not smoothly.It is at present
Only, many designers generally have ignored the demand of left-handed doctor.
In addition, the side that the button 107 is arranged on into thimble assembly 200a also brings other problemses.For example, when set
When tube assembly 200a is fixed on patient's stomach wall, patient skin is pressed close at the back side of typically thimble assembly, and air-valve assembly 106
Away from skin, the corner angle of air-valve assembly 106 can be so avoided to damage patient skin;And due to generally requiring difference in operation
The operation of angle, regular causes a certain degree of deflection of thimble assembly, makes the left surface or right flank face patch of thimble assembly
Nearly patient skin, but the situation that thimble assembly integrally overturns to thimble assembly contact patient's skin is rarely found.Button
107 are arranged on thimble assembly left surface, in the case of thimble assembly is inclined to left surface contact patient skin, the button
107 oppression patient's skin are likely to result in silt green grass or young crops or other damages.
Figure 33-35 depicts a kind of improved button and sets method.Define described sleeve pipe group 200 and contain air-valve assembly 490
Side is front region 210, and the opposite side for defining front region is back region 270, and definition both sides are the He of left field 230
Right side area 250.It is finer with reference to Figure 35, while making the first benchmark by the geometric center and axis 10 of air-valve assembly 490
Face A, crosses the work of axis 10 and the second reference plane B at the first reference plane A angles at 45 °, crosses axis 10 and makees and second benchmark
Face B threeth reference plane Cs symmetrical relative to the first reference plane A.The second reference plane B and the 3rd reference plane C and thimble assembly
200 shell intersects, and the shell of thimble assembly 200 is divided into the region of 4 substantially deciles, as above-mentioned front region
210, left field 230, right side area 250 and back region 270.The button 436 is arranged in front region 210, is located at
The upside (i.e. relative to air-valve assembly 490 closer to the position of near-end) of the air-valve assembly 490.The button 436 can be with
The air-valve assembly 490 is axially aligned, and the convenience of switch air-valve assembly and button press, two are then considered under some situations
Person is set to not line up axially.Finer, the button 436 is arranged on the rational position in front region, does not interfere usual
Left hand and dexterous standard grip gimmick.
Figure 36-37 respectively show the righthanded and left-handed standard grip method of the puncture outfit 1000 of the present invention.
As shown in figure 36, right hand 110R grips the puncture outfit 1000, and the right hand centre of the palm is close to behind puncture outfit, and middle finger 103, which is buckled in, to be worn
The sleeve pipe of device and the intersection of lower case are pierced, and palm is close to be easy to force at the top of puncture outfit with wrist intersection.Meanwhile,
Thumb 105 is attached to puncture outfit left surface and intersectional region above, and the third finger 102 and little finger of toe 101 are attached to the right side of puncture outfit
Sideways, so that by puncture outfit control in the centre of the palm.And forefinger 104 props up the sleeve pipe of puncture outfit to control to puncture direction and contribute to
Control puncture outfit penetrates the depth of stomach wall, so as to prevent unexpected generation.As shown in figure 37, left hand 110L grips the puncture outfit
1000, the left hand centre of the palm is close to behind puncture outfit, and middle finger 103 is buckled in the sleeve pipe of puncture outfit and the intersection of lower case, and hand
The palm is close to be easy to force at the top of puncture outfit with wrist intersection.Meanwhile, thumb 105 is attached to puncture outfit left surface and above
Intersectional region, and the third finger 102 and little finger of toe 101 are attached to the right flank of puncture outfit, so that by puncture outfit control in the centre of the palm.And forefinger
104 prop up the sleeve pipe of puncture outfit to control to puncture direction and to contribute to control puncture outfit to penetrate the depth of stomach wall, so as to prevent
It is unexpected to occur.The set location of the obvious button 436 does not interfere left-handed and dexterous standard grip gimmick.
The many different embodiments and example of the present invention are had shown and described.One ordinary skill of this area
Personnel, without departing from the scope of the invention, adaptive improvement can be made by suitably modified to methods described and apparatus.
The quick lock mechanism for example in other inventions disclosed, to its slightly adaptation, you can set using button of the present invention
Region.Several kinds of amendment schemes are referred, for those skilled in the art, and other amendment schemes are also to think
Arrive.Therefore the scope of the present invention should be according to accessory claim, while being understood not to be shown by specification and accompanying drawing
With the structure of record, the particular content of material or behavior is limited.
Claims (6)
1. a kind of puncture outfit for including the lock that automatically resets, comprising puncture needle and thimble assembly, described sleeve pipe component includes apparatus
Sealing, zero sealing, the first firmware, the second firmware, top casing, lower case and the hollow sleeve being attached thereto;The apparatus
Sealing is sandwiched between the top casing and the first firmware and the composition apparatus seal assembly that interfixes, and zero sealing is pressed from both sides
Between the lower case and the second firmware and interfix composition zero seal assembly;Zero seal assembly also includes air valve
Component, the air-valve assembly be arranged on the lower case on and with the hollow sleeve UNICOM;It is characterized in that:
A) described sleeve pipe component also includes the connection instrument seal component and the latch fitting of zero seal assembly to selectivity, institute
State latch fitting and include button, the button exceeds the outer surface of the thimble assembly limited to the top casing and lower case;
B) described sleeve pipe component includes front region, left surface region, right flank region and back region, and the button is arranged on
In the front region, and left-handed and dexterous standard grip gimmick is not interfered.
2. puncture outfit as claimed in claim 1, it is characterised in that:The button is generally axially right with the air-valve assembly
Together.
3. puncture outfit as claimed in claim 1, it is characterised in that:
A) latch fitting is limited in the way of being coordinated by gap between the lower case and the second firmware, and the latch fitting can be big
Cause to move in the transverse plane of lower case axis;
B) latch fitting also includes latch fitting framework and elastic reset arm, the button, latch fitting framework and elastic reset arm connection structure
Integral single part is simultaneously made up of plastic material;
C) first firmware and the latch fitting, which cooperate, constitutes the first sealed position, the second sealed position and the 3rd locking part
Position, the first, the second, the three sealed position cooperates is fixed on one by the instrument seal component and zero seal assembly
Rise;
D) apply unblock external force and drive the button, latch fitting motion accordingly makes the first, the second, the three sealed position solution
Lock, then the instrument seal component and zero seal assembly are separated from each other;Remove the unblock external force, the elastic reset arm driving
The latch fitting resets.
4. puncture outfit as claimed in claim 3, it is characterised in that:
A) latch fitting also include through the button and with the approximately axially vertical transverse axis of described sleeve pipe component;
B) latch fitting includes the first latch hook, the second latch hook and the 3rd latch hook, and the first, the second latch hook is arranged on the latch fitting
Proximal location of the framework along X direction with the latch fitting framework is rigid links into an integrated entity, and the 3rd latch hook is arranged on institute
Remote location of the latch fitting framework along X direction is stated to link into an integrated entity by flexible arm with the latch fitting framework;C) described first consolidates
Part includes the first lock, the second lock and the 3rd lock, and first lock and the first latch hook coordinate composition described first sealed
Position, second lock and the second latch hook, which coordinate, constitutes the second sealed position, and the 3rd lock and the 3rd latch hook are matched somebody with somebody
Close and constitute the 3rd sealed position;
D) applying unblock external force drives the button to do transverse movement towards the direction of described sleeve pipe component internal, and described first,
Second latch hook is done moves to unblock in the same direction with the button, and the flexible arm elastic deformation and drive the 3rd latch hook do with
The button opposite direction moves to unblock.
5. puncture outfit as claimed in claim 4, it is characterised in that:First firmware includes the first lip, and described second consolidates
Part includes the second lip, and first lip and the second lip are mutually matched composition lip and coordinated;The lip coordinates major limitation institute
The transverse movement of instrument seal component and zero seal assembly is stated, and the first, the second and the three sealed position is mainly limited
Make the axial movement of the instrument seal component and zero seal assembly.
6. puncture outfit as claimed in claim 5, it is characterised in that:First firmware include lower ring wall, the lower ring wall with
Described zero it is in sealing contact and contact position formation hermetic seal.
Priority Applications (1)
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CN201710410243.6A CN107049441B (en) | 2017-06-03 | 2017-06-03 | Puncture outfit with automatic reset lock catch |
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CN201710410243.6A CN107049441B (en) | 2017-06-03 | 2017-06-03 | Puncture outfit with automatic reset lock catch |
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CN107049441B CN107049441B (en) | 2023-05-26 |
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CN110772303A (en) * | 2018-07-31 | 2020-02-11 | 江苏风和医疗器材股份有限公司 | Puncture outfit shell and puncture outfit |
CN111000621A (en) * | 2019-12-09 | 2020-04-14 | 天津瑞奇外科器械股份有限公司 | Sealing structure, puncture cannula and medical puncture outfit |
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