CN108309412A - A kind of puncture cannula device for laparoscope puncture outfit - Google Patents
A kind of puncture cannula device for laparoscope puncture outfit Download PDFInfo
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- CN108309412A CN108309412A CN201810201518.XA CN201810201518A CN108309412A CN 108309412 A CN108309412 A CN 108309412A CN 201810201518 A CN201810201518 A CN 201810201518A CN 108309412 A CN108309412 A CN 108309412A
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- puncture
- locking
- valve
- puncture cannula
- seal assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 102
- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 241000405070 Percophidae Species 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 20
- 238000009434 installation Methods 0.000 description 16
- 210000000683 abdominal cavity Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 210000001519 tissue Anatomy 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000001356 surgical procedure Methods 0.000 description 10
- 241001149930 Protura <class> Species 0.000 description 8
- 208000005646 Pneumoperitoneum Diseases 0.000 description 7
- 210000004872 soft tissue Anatomy 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 4
- 230000003187 abdominal effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
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- 238000007912 intraperitoneal administration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 206010067268 Post procedural infection Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
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Classifications
-
- 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
-
- 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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3474—Insufflating needles, e.g. Veress needles
-
- 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
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- 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
- A61B2017/3419—Sealing means between cannula and body
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of puncture cannula devices for laparoscope puncture outfit, including puncture cannula body and two-stage sealing device, the puncture cannula body includes puncture cannula seat and casing, the two-stage sealing device is mounted on the top of the puncture cannula seat, and described sleeve pipe is mounted on the lower section of puncture cannula seat；Gas injection valve is installed on the side wall of puncture cannula seat and gas injection valve is integrated with puncture cannula setting.The two-stage sealing device includes the first seal assembly and the second seal assembly；First seal assembly is located at the top of the second seal assembly；The puncture cannula of the present invention is that specification is the puncture cannula that 10mm puncture outfits are equipped with, which can directly take out the tissue that surgical cut is got off, and can reduce additional puncture channel, reduces the damage for patient, easy to use, securely and reliably.
Description
Technical field
The invention belongs to medical instruments fields, and in particular to a kind of puncture cannula device for laparoscope puncture outfit.
Background technology
In the operation of minimally invasive medical-therapeutic treatment of human body, once illness is found in body, need to perform the operation or is cut off, in surgical procedure
In, it is necessary first to application is puncture outfit, and puncture outfit is a kind of puncture stomach wall and enters lumenal passageway for other surgical instruments
Surgical instrument belongs to a kind of Minimally Invasive Surgery instrument.Puncture outfit generally includes the sleeve group for entering channel as other surgical instruments
Part and through the puncturing lever in the sleeve assembly.First, in order to penetrate skin, skin epidermis first is cut with scalpel, so
Skin is penetrated using puncturing lever afterwards and enter body cavity together with sleeve assembly, then extract puncturing lever, sleeve assembly out
As introducing intraperitoneal by various instruments and tool and providing the channel that aeration room stomach wall is increased to above organ, in order to prevent
Various instruments and tool are inserted into intraperitoneal gas leakage when abdominal cavity in the course of surgery, need that sealing group is arranged in sleeve assembly
Part, common seal assembly generally comprise mounting base, and the distribution of several braided is equipped in mounting base or circumferential misalignment superposition is set
The gasket set, instrument passes through the seal assembly center being made of multiple gaskets when use, to have the function that sealing.
And during establishing pneumoperitoneum, usually there is the phenomenon that epitheca and tissue cutting part gas leakage, leads to pneumoperitoneum
Establish failure；In addition, because being needed inside the epitheca of puncture outfit into endoscope and surgical instrument, and in entire hand in operation
During art doctor according to operation need can constantly regulate puncture outfit insertion angle and be back and forth removed and inserted into surgical instrument,
The slippage and gas leakage of puncture outfit can equally be caused；Meanwhile in piercing process, in order to avoid human body in-vivo tissue stops puncture needle
It runs, exposed blade is additionally provided on puncture needle, since the blade with puncture cutter head is exposed always, readily occur in entrance
To after in tissue notch, punctures cutter head and accidentally injure human internal organs.
In addition, need the puncture channel established convenient for taking out the uterine tissue cut down in typical gynecological surgery,
Need additionally to establish the puncture channel of a 15mm in the prior art, it is larger to the injury of patient.If design can directly take out
The puncture cannula of larger diseased organ (tissue) is taken out, then can reduce additional puncture channel, reduces the damage for patient.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of puncture cannula dresses for laparoscope puncture outfit
It sets.The puncture cannula of the present invention can directly take out the tissue that surgical cut is got off, and can reduce additional puncture channel, reduction pair
It is easy to use in the damage of patient, securely and reliably.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of puncture cannula device for laparoscope puncture outfit of the invention, the puncture cannula includes puncture cannula body and two-stage
Sealing device, the puncture cannula body include puncture cannula seat and casing, and the two-stage sealing device is covered mounted on the puncture
The top of tube socket, described sleeve pipe are mounted on the lower section of puncture cannula seat；Gas injection valve and note are installed on the side wall of puncture cannula seat
Air valve is integrated with puncture cannula setting.
Further, the two-stage sealing device includes the first seal assembly and the second seal assembly；First sealing
Component is located at the top of the second seal assembly；First seal assembly is close including locking upper cover, support ring, support chip, synthesis
Valve, interval clamp ring and locking switch cap are sealed, the support ring, support chip, comprehensive sealing valve and interval clamp ring are mounted on lock
Between tight upper cover and locking switch cap, and the support ring and support chip are mounted in comprehensive sealing valve, the interval clamp ring
Below comprehensive sealing valve；Second seal assembly includes locking lower cover and Duckbill seal valve, in the locking lower cover
Duckbill seal valve is installed；It is connect with locking lower cover by locking switch cap, the first seal assembly and the second seal assembly is made to pacify
Dress is fixed.
Further, second seal assembly is mounted on the top of puncture cannula seat, the specially described Duckbill seal valve
Top be equipped with the first compacting ring and the second pressing groove successively, first compacting ring corresponds to the connection being mounted in locking lower cover
In seat, second pressing groove corresponds in the mounting cylinder being mounted in puncture cannula seat.
Further, it is additionally provided with horizontal card slot on the periphery wall on puncture cannula seat top and vertical card stitches, the lock
The internal perisporium of tight lower cover is correspondingly arranged at lateral fixture block and vertical strip；The transverse direction fixture block is mounted in horizontal card slot, described perpendicular
It is mounted in the vertical card seam to strip.
Further, locking switching mechanism, the lock are equipped between the locking upper cover, locking switch cap and locking lower cover
The outer wall of tight switch cap is equipped with clamping closing piece, and the inner wall of the locking upper cover is equipped with clamping locked groove, the clamping closing piece pair
It should be mounted in the clamping locked groove；The lower part of the locking switch cap is equipped with mortise lock body, and the top of the locking lower cover is equipped with
Mortise lock slot, the mortise lock body are mounted in the mortise lock slot.
Further, the clamping closing piece includes lateral closing piece and vertical closing piece, and laterally lock is equipped in the locking upper cover
Slot and vertical locked groove, the transverse direction closing piece are mounted in lateral locked groove, and the vertical closing piece is mounted in vertical locked groove；It is described to insert
Lock body is L-shaped arc plate, and the number of the L-shaped arc plate is two, and is evenly distributed on the lower part of locking switch cap；The mortise lock slot
Including grafting spin slot and grafting card slot, the grafting spin slot is connected to grafting card slot；The top of the grafting card slot is additionally provided with slotting
Connect snap-gauge.
Further, the lower part of the locking lower cover is additionally provided with clamping arc plate, and the clamping arc plate is correspondingly arranged at grafting rotation
The lower section of slot；The outside of second pressing groove is equipped with press flange, and the press flange is mounted between the clamping arc plate
Gap in；The bottom surface of first compacting ring is inclined-plane, and the outer ledge on inclined-plane is less than its inside edge.
Further, the comprehensive sealing valve includes cone seal valve and wave shape sealing ring, and the support chip is mounted on
In cone seal valve, the support ring is mounted on the top of support chip；The wave shape sealing ring includes outer shirt rim and interior edge
Shirt rim, the outer shirt rim are pressed between locking upper cover and locking switch cap；It is described interior between shirt rim and cone seal valve
Equipped with space collar；The interval clamp ring is mounted on the periphery of space collar.
Further, the cross sectional shape of the space collar is H-shaped；The interval clamp ring includes interval locking bed and interval
Lock sheet, interval locking bed clamping corresponding with the card slot of space collar H-shaped lower part, the interval locking bed, which is located at locking, to be converted
On the bottom plate of cap, in interval the lock sheet clipping room spacer ring and the interior card slot between shirt rim；It is described to be spaced the upper of lock sheet
Portion's opening is closing in shape.
Further, there are two recessed portions, the outside of one of recessed portion to install on the circumferential surface of the puncture cannula seat
It includes valve body, spool and air injection pipe to have gas injection valve, the gas injection valve, and the air injection pipe is connect with the mounting cylinder in recessed portion, and
Angle between air injection pipe and mounting cylinder is 65-75 degree；The valve body is cylindrical shape, to be mounted on note in left and right perforation direction
On tracheae；The spool that can be circumferentially rotated to which air injection pipe to be connected to or block is equipped in valve body；The puncture cannula seat, valve body and
Air injection pipe is an integral structure.
Advantageous effect
Seal assembly in the puncture outfit of the present invention is reliable using multiple-sealed device sealing performance, especially the first sealing valve
The dynamic sealing effect in surgical procedure can be effectively ensured in design, be injected into the gas in abdominal cavity by puncture outfit gas injection valve and exist
It does not leak out and in surgical procedure, it is safe and reliable so as to ensure that abdominal operation is normally carried out.
Locking lower cover in the puncture outfit of the present invention and the connection structure between puncture cannula seat, you can effectively compress sealing
Component, and it is possible to prevente effectively from accidentally touch, Needle localization guide cover whiz is gone out into puncture cannula seat, more ensures that puncture outfit used
The safety of journey.
Locking switching mechanism is equipped between locking upper cover, locking switch cap in the puncture outfit of the present invention and locking lower cover,
It is to be fastenedly connected to lock between upper cover and locking switch cap, and it is to be detachably connected to lock between lower cover and locking switch cap, to
Ensure that locking switch cap can be removed quickly from locking lower cover, and then can be by surgical tissue directly going out from locking lower cover
It is pulled out in mouthful, effectively meets the taking-up demand of surgical tissue, additional puncture channel can be reduced, reduce the damage for patient.
The present invention Mini-type puncture outfit in mounting structure for valve between gas injection valve and puncture cannula seat using one at
Type, mounting stability are strong so that sealing effect is good when use, is not likely to produce gas leakage or the phenomenon of leakage.
In short, the disposable puncture device reasonable design of the present invention, compact-sized, safe to use, effective, in clinical operation
Wound area can be greatly reduced, operating time is greatly shortened, reduces bleeding and the postoperative infection of patient, while improving operation matter
Amount.
Description of the drawings
Fig. 1 is the overall structure diagram of the laparoscope puncture outfit of the present invention；
Fig. 2 is the laparoscope puncture outfit casing overall structure diagram of the present invention；
Fig. 3 is the laparoscope puncture outfit bushing explosion structural schematic diagram of the present invention；
Fig. 4 is the puncture needle overall structure diagram of the laparoscope puncture outfit of the present invention；
Fig. 5 is the structural schematic diagram of the puncture needle seal cap of the laparoscope puncture outfit of the present invention；
Fig. 6 is the structural schematic diagram of the puncture shank of the laparoscope puncture outfit of the present invention；
Fig. 7 is the cross-sectional view of the puncture needle casing of the laparoscope puncture outfit of the present invention；
Fig. 8 is the cross-sectional view of the two-stage sealing device of the laparoscope puncture outfit of the present invention；
Fig. 9 is the structural schematic diagram of the Puncture needle sleeve tube socket of the laparoscope puncture outfit of the present invention；
Figure 10 is the equal axial configuration schematic diagram of the two-stage sealing device of laparoscope puncture outfit of the invention；
Figure 11 is the vertical configuration schematic diagram of the two-stage sealing device of the laparoscope puncture outfit of the present invention；
Figure 12 is the cross-sectional view of the second seal assembly of the laparoscope puncture outfit of the present invention；
Figure 13 is the structural schematic diagram of the Duckbill seal valve of the laparoscope puncture outfit of the present invention；
Figure 14 is the configuration schematic diagram of the locking switching mechanism of the laparoscope puncture outfit of the present invention；
Figure 15 is the structural schematic diagram of the locking switch cap of the laparoscope puncture outfit of the present invention；
Figure 16 is the structural schematic diagram of the locking upper cover of the laparoscope puncture outfit of the present invention；
Figure 17 is the bottom substance schematic diagram of the locking lower cover of the laparoscope puncture outfit of the present invention；
Figure 18 is the positive structure schematic of the locking lower cover of the laparoscope puncture outfit of the present invention；
Figure 19 is the vertical configuration schematic diagram of the first seal assembly of the laparoscope puncture outfit of the present invention；
Figure 20 is the equal axial configuration schematic diagram of the first seal assembly of laparoscope puncture outfit of the invention；
Figure 21 is the cross-sectional view of the first seal assembly of the laparoscope puncture outfit of the present invention；
Figure 22 is the positive cross-sectional view of the comprehensive sealing valve of the laparoscope puncture outfit of the present invention；
Figure 23 is the reversed profile structural schematic diagram of the comprehensive sealing valve of the laparoscope puncture outfit of the present invention；
Figure 24 is the fried structural schematic diagram of the interval clamp ring of the laparoscope puncture outfit of the present invention；
Figure 25 is the gas injection valve mounting structure schematic diagram of the laparoscope puncture outfit of the present invention；
Figure 26 is the stem structure schematic diagram of the laparoscope puncture outfit of the present invention；
Wherein, 1- puncture cannulas body, 11- puncture cannula seats, 111- mounting cylinders, 112- recessed portions, 113- floors, 114- laterally block
Slot, 115- vertically block seam, 12- casings, 121- casing annular lines, 2- puncture needles, 21- puncture needle sealing covers, 211- flat horizontal surfaces,
212- arcwall faces, 213- burrs, 214- locating slots, 215- indents, 22- puncture shank, the 221- bodies of rod, and 222- punctures needle bar frame,
223- punctures conehead, 224- limited blocks, 225- positioning columns, 226- briquettings, 3- gas injection valves, 31- air injection pipes, 32- valve bodies, 321- arcs
V notch v, 33- valve rods, 331- arc-shaped limit blocks, 332- tapering points, 34- shift bars, 341- slip preventing fringes, 35- ventholes, 4-
First seal assembly, 41- lock upper cover, 411- transverse direction locked grooves, the vertical locked grooves of 412-, 413- limiting slots, 414- petal slots, 42-
Support ring, 43- support chips, 44- comprehensive sealing parts, 441- cone seal valves, 442- space collars, 443- undulating pleats, 444-
It is interior along shirt rim, the outers 445- shirt rim, 446- convex ribs, the clamp ring of the intervals 45-, the intervals 451- locking bed, the intervals 452- lock sheet,
46- locks switch cap, and 461- locks switch cap bottom plate, and 462- locks switch cap outer wall, 463- transverse direction closing pieces, and 464- vertically locks
Block, 465- mortise lock bodies, the second seal assemblies of 5-, 51- lock lower cover, 511- grafting spin slots, 512- grafting card slots, 513- grafting cards
Plate, 514- are clamped arc plate, 515- transverse direction fixture blocks, the vertical strips of 516-, 517- connecting seats, 52- Duckbill seal valves, the pressures of 521- first
Collar, the second pressing grooves of 522-, 523- press flanges.
Specific implementation mode
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.
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
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
As shown in Fig. 1, laparoscope puncture outfit of the invention is the puncture outfit that specification is 10mm, including 1 He of puncture cannula
Puncture needle 2, puncture cannula 1 are equipped with the channel worn for puncture needle 2 on vertical center, are denoted as puncture channel, in use, puncturing
Needle 2 passes through puncture channel to be inserted into puncture cannula 1 and stretched out from the tail end of puncture cannula 1；Pacify on the side wall of puncture cannula seat 11
It is integrated equipped with gas injection valve 3 and gas injection valve 3 and the setting of puncture cannula 1, will pass through puncture outfit to internal gas supply, keeps pneumoperitoneum
In the presence of.
As illustrated in figs. 2-3, the puncture cannula 1 for being the present invention includes puncture cannula body and two-stage sealing device, punctures set
Pipe shaft includes puncture cannula seat 11 and casing 12, and two-stage sealing device is mounted on the top of puncture cannula seat 11, and casing 12 is installed
In the lower section of puncture cannula seat 11；The outer wall of casing 12 is equipped with casing annular line 121, and the purpose by the way that annular line is arranged is to increase
The frictional force of jacketed pipe and stomach wall avoids being extruded abdomen in abdominal cavity gas pressure effect setting of casing, influences operation and carry out.
As shown in figs. 4 through 6, the puncture needle for being the present invention includes puncturing shank 22 and puncture needle sealing cover 21, punctures shank
22 include the body of rod 221, puncture conehead 223 and puncture needle bar frame 222, punctures the top that needle bar frame 222 is mounted on the body of rod 221, wears
Pierce the bottom that conehead 223 is mounted on the body of rod 221；The lid circumferential surface of puncture needle sealing cover 21 is divided into two symmetrical flat horizontal surfaces 211
With two symmetrical arcwall faces 212, flat horizontal surface 211 be shiny surface, arcwall face 212 be equipped with burr 213, this design purpose be by
Flat horizontal surface 211, convenient for grasping, regard arcwall face 212 as operating surface as grip part, and burr 213 above has antiskid function,
Facilitate the plug of puncture needle；It is equipped with locating slot 214 in the puncture needle sealing cover 21 of 211 side of flat horizontal surface, punctures needle bar frame 222
It is equipped with corresponding positioning column 225,225 grafting of positioning column enters puncture needle sealing cover 21 and puncture needle bar frame in locating slot 214
222 are fixedly mounted, and positioning column 225 and locating slot 214 ensure that direct grafting can fix puncture needle sealing cover 21 and puncture needle
Pole socket 222, and directly installation site of the positioning puncture needle sealing cover 21 on puncturing needle bar frame 222, ensure that puncture needle is working
When flat horizontal surface 211 as grip part towards hand, effectively avoid wrong installation, mounting means simple and convenient.
Further, it further includes limited block 224 to puncture shank 22, and being located at for limited block 224 punctures under needle bar frame 222
Side, and be seamlessly connected on one side with puncture needle bar frame 222；Positioning column 225 is located at the top of limited block 224, punctures in conehead 223
Tip end is located at the underface of limited block 224；Limited block 224, which is used to limit, punctures shank 22 in the installation position of locking upper cover 41
It sets, radial rotating of the puncture needle in puncture cannula can be effectively prevent, ensure the stability of surgical procedure；In addition positioning is limited
The relative position of column 225, puncture conehead 223 and 224 three of limited block not only can guarantee the installation direction of puncture needle sealing cover 21, but also
It can guarantee installation position of the puncture needle in puncture cannula, this design makes puncture outfit when mounted, very simple accurate, subtracts significantly
Setup error is lacked.
Further, it is discoid to puncture needle bar frame 222, punctures diameter and 21 bottom of puncture needle sealing cover of needle bar frame 222
The internal diameter in portion is equal.The bottom of the arcwall face 212 of puncture needle sealing cover 21 is additionally provided with indent 215, punctures needle bar frame 222 and is equipped with
And briquetting corresponding with indent 215 226.Indent 215 is evenly distributed on the inner peripheral surface of puncture needle sealing cover 21.The design can be into
One step reinforces puncture needle sealing cover 21 and punctures the mounting stability of needle bar frame 222, and the connection type designed is clamping, is had
Effect avoids using ultrasonic bonding to change the crystal structure inside high molecular material in the prior art, causes in high molecular material
Stress changes, and is easy to happen problem of Cracking；Therefore the connection type in the application between component using clamping, makes technique walk
Rapid and process equipment is simpler quick, and safety and environmental protection saves production cost.
Further, the another side of limited block 224 is seamlessly connected with the body of rod 221.Limited block 224 is L-shaped limited block 224, L
The short side of shape limited block 224 is seamlessly connected with needle bar frame 222 is punctured, and long side is seamlessly connected with the body of rod 221.L-shaped in the application
Limited block 224 is integrally formed with shank 22 is punctured, and limited block 224 is very simple with the making for puncturing shank 22, and connection is non-
Often stablize, can effectively prevent puncturing radial rotating of the shank 22 in puncture cannula, and be not easy stress damage.
As shown in attached drawing 7-11, the two-stage sealing device for being the present invention includes the first seal assembly 4 and the second seal assembly
5；Second seal assembly 5 includes locking lower cover 51 and Duckbill seal valve 52, locks in lower cover 51 and is equipped with Duckbill seal valve 52.
As shown in Fig. 12-13, it is that the second seal assembly 5 of the present invention is mounted on the top of puncture cannula seat 11, specifically
It is equipped with the first compacting ring 521 and the second pressing groove 522 successively for the top of Duckbill seal valve 52, the first compacting ring 521 corresponds to peace
In the connecting seat 517 in locking lower cover 51, the second pressing groove 522 corresponds to the mounting cylinder 111 being mounted in puncture cannula seat
It is interior.
Further, the lower part of locking lower cover 51 is additionally provided with clamping arc plate 514, and clamping arc plate 514 is correspondingly arranged at grafting rotation
The lower section of slot 511；The outside of second pressing groove 522 is equipped with press flange 523, press flange 523 be mounted on clamping arc plate 514 it
Between gap in；It is equipped with clamping arc plate 514 in the locking lower cover of the present invention, can press flange 523 be effectively limited to clamping
Between arc plate 514, caused Duckbill seal valve generates radial rotating in puncture cannula seat when effectivelying prevent puncturing shank extraction,
Ensure the stability of surgical procedure.
Further, the bottom surface of the first compacting ring 521 is inclined-plane, and the outer ledge on inclined-plane is less than its inside edge；The
The bottom surface of one compacting ring 521 is inclined-plane, and the outer ledge on inclined-plane is less than its inside edge.The purpose of the design can be close with duckbilled
The enclasping force for sealing valve and the connecting seat 517 for locking lower cover is more preferable, keeps installation of the duckbill valve on puncture cannula seat more stable, seals
Effect is more preferable.
Further, it is additionally provided with horizontal card slot 114 on the periphery wall on 11 top of puncture cannula seat and vertical card stitches 115, lock
The internal perisporium of tight lower cover 51 is correspondingly arranged at lateral fixture block 515 and vertical strip 516；Lateral fixture block 515 is mounted on horizontal card slot 114
Interior, vertical strip 516 is mounted on vertical card and stitches in 115.Between locking lower cover and puncture cannula seat in the puncture outfit of the present invention
Two-stage connection structure, the two can be fixed from axially and radially direction, and it is possible to prevente effectively from accidentally touch, by Needle localization
Guide cover whiz goes out puncture cannula seat, more ensures that puncture outfit uses the safety of process.
It is the locking switching mechanism of the present invention, locking upper cover, locking switch cap and locking lower cover as shown in attached drawing 14-18
Locking switching mechanism, including locking upper cover 41, locking switch cap 46 and locking lower cover 51 are equipped between 51, locking switch cap 46
Outer wall 462 is equipped with clamping closing piece, and the inner wall of locking upper cover 41 is equipped with clamping locked groove, and clamping closing piece, which corresponds to, is mounted on clamping lock
In slot；The lower part for locking switch cap 46 is equipped with mortise lock body 465, and the top of locking lower cover 51 is equipped with mortise lock slot, and mortise lock body 465 is installed
In mortise lock slot.In the locking switching mechanism of the present invention, it is to be fastenedly connected to lock between upper cover 41 and locking switch cap 46, locking
It is to be detachably connected between lower cover 51 and locking switch cap 46, it can be quickly from locking lower cover to ensure to lock switch cap 46
It removes, and then surgical tissue can directly be pulled out from the outlet of locking lower cover 51 on 51, effectively meet taking for surgical tissue
Go out demand.
Further, clamping closing piece includes lateral closing piece 463 and vertical closing piece 464, and laterally lock is equipped in locking upper cover 41
Slot 411 and vertical locked groove 412, lateral closing piece 463 are mounted in lateral locked groove 411, and vertical closing piece 464 is mounted on vertical locked groove
In 412.The clamping closing piece of the present invention includes that the purpose of lateral closing piece 463 and vertical closing piece 464 is to ensure locking upper cover 41 simultaneously
It is fixedly mounted on locking switch cap 46 in radial and axial direction both direction, fastening effect is effectively ensured, avoids hand
Art process misses the consequence that the tight upper cover of latch 41 causes gas leakage.
Further, as shown in Fig. 15, it is the mortise lock body 465 of the present invention, mortise lock body 465 is L-shaped arc plate, L-shaped arc plate
Number be two, and be evenly distributed on locking switch cap 46 lower part.Mortise lock slot includes grafting spin slot 511 and grafting card slot
512, grafting spin slot 511 is connected to grafting card slot 512.The top of grafting card slot 512 is equipped with grafting snap-gauge 513.Lateral closing piece 463
It is spaced on the outer wall 462 for being evenly distributed on locking switch cap 46 with vertical closing piece 464.
Further, the top of vertical closing piece 464 is taper, and the purpose of this design can ensure that vertical closing piece 464 is quick
It is inserted into locking upper cover 41, ensures the convenience of installation.
Further, the lower part of locking lower cover 51 is mounted on puncture cannula seat.After locking switching mechanism installation, in locking
Seamless setting between lid 41 and locking lower cover 51, that is, locking upper cover 41 and locking lower cover can be fully mounted at by locking switch cap 46
Between 51, externally do not go out to lock the installation of switch cap 46, whole occupied space is smaller, and design is very exquisite.
As shown in attached drawing 19-23, the first seal assembly 4 for being the present invention includes locking upper cover 41, support ring 42, support chip
43, comprehensive sealing valve 44, interval clamp ring 45 and locking switch cap 46, support ring 42, support chip 43, comprehensive sealing valve 44 and
It is mounted between locking upper cover 41 and locking switch cap 46 every clamp ring 45, and support ring 42 and support chip 43 are close mounted on synthesis
It seals in valve 44, interval clamp ring 45 is mounted on 44 lower section of comprehensive sealing valve；It is connect with locking lower cover 51 by locking switch cap 46,
Make the first seal assembly 4 and the second seal assembly 5 install to fix.In the first seal assembly of the present invention based on comprehensive sealing valve
Body is installed, and support chip 43 plays the role of support protection cone seal valve 441, and support is played in support ring 42 and interval clamp ring 45
The effect at interval, locking upper cover 41 and locking switch cap 46 play the role of compressing comprehensive sealing valve 43, ensure sealing effect.This
Support chip, support ring and the interval clamp ring three of invention form one after the installation of comprehensive sealing valve with comprehensive sealing valve, can
Valve module, comprehensive sealing support valve module is supported to be placed between locking upper cover and locking switch cap to be denoted as comprehensive sealing, when
When being inserted into puncture shank or the surgical instrument movement of comprehensive sealing valve, which supports valve module whole in locking upper cover
It is moved between locking switch cap, avoids, since only the movement of comprehensive sealing valve generates gap, causing gas leakage.
Further, comprehensive sealing valve 44 includes cone seal valve 441 and wave shape sealing ring, and wave shape sealing ring is located at
The periphery of cone seal valve 441, wave shape sealing ring includes outer shirt rim 445, interior along shirt rim 444 and undulating pleats 443, wave
Shape wave fold 443 is located at outer shirt rim 445 and interior between shirt rim 444, and outer shirt rim 445 is located at undulating pleats 443
Top, it is interior that space collar 442 is equipped between shirt rim 444 and cone seal valve 441；Support chip 43 is mounted on cone seal valve 441
Interior, support ring 42 is mounted on the top of support chip 43；It is spaced the periphery that clamp ring 45 is mounted on space collar 442.
Further, the top of support chip 43 is equipped with several connecting poles, and support ring 42 is equipped with to be coordinated with above-mentioned connecting pole
The connecting hole of connection.The present invention puncture outfit in use, puncture needle contact ebonite piece material support chip, will not damage flexible glue cone
Shape sealing valve, it is of the invention to be combined with support chip by Elastic flexible glue cone seal valve, cone seal valve can be prevented because puncturing
The caused abrasion that is in direct contact of cone even ruptures, and ensures sealing ring energy normal use.Simultaneously when extracting puncture instrument, no
Cone seal valve can be driven to rout up outward, and cone seal valve itself has elasticity, and support chip can be driven inwardly to tighten reset.
Further, the cross sectional shape of space collar 442 is H-shaped；It includes interval locking bed 451 and interval to be spaced clamp ring 45
Lock sheet 452 is spaced the clamping corresponding with the card slot of space collar H-shaped lower part of locking bed 451, the bottom surface peace of interval locking bed 451
On locking switch cap bottom plate 461, it is spaced in 452 clipping room spacer ring 442 of lock sheet and the interior card slot between shirt rim 444.
The cross sectional shape of space collar 442 is designed as H-shaped, by interval locking bed 451 and can be mounted in a manner of direct use clamping
In comprehensive sealing valve 46, it is not necessary to which, using modes such as ultrasonic bonding, installation is more convenient, simple and environmentally friendly.
Further, the riser of the H-shaped of space collar is higher than its flanging height, and the upper opening of interval lock sheet 452 is to receive
Mouth shape.The purpose of this design is that the interval lock sheet setting of closing in shape has in 442 outer of space collar and plays compression space collar
The effect of the support ring and support chip of inside installation is prevented when puncture needle or surgical instrument are extracted, by support ring or support chip
It drives and deviates original position, avoid influence to perform the operation from being normally carried out.
In addition, the interval lock sheet 452 of the present invention also has the function of providing support along shirt rim to be interior, prevent interior along shirt rim
Deformation.
Further, the height after interval lock sheet 452 is installed is more than the height after support ring 42 is installed.
Further, the outer wall of locking upper cover 41 is equipped with petal slot 414, convenient for increasing friction when locking upper cover 41 rotates
Power.
Further, the wave shape sealing ring of comprehensive sealing valve is located at the periphery of taper seal 441 and waveform seals
Circle is positioned at the top of taper seal 441；The interior cross sectional shape along shirt rim 444 is bar shaped；The opening court of undulating pleats 443
On, and the number of turns of undulating pleats 443 is only a circle.The purpose of design of the comprehensive sealing valve of the present invention is both to ensure surgical instrument
Flexibility when being moved in puncture cannula seat ensures the precision of surgical instrument operation again.It is specially designed wave thus
Shape sealing ring, wherein outer shirt rim 445, which are located between locking upper cover 41 and locking switch cap 46, plays fixed comprehensive sealing valve
Effect has micro gap between the interior lower section for being located at locking upper cover 41 along shirt rim 444, and the lower edge of locking upper cover 41（0.2-
0.6mm）, when surgical instrument needs mobile, surgical instrument can drive side it is interior along 444 compressed fold portion of shirt rim to outer skirt
445 side of side is moved, and surgical instrument is allow flexibly to move, while interior will produce corresponding shape in moving process along shirt rim 444
Become, with locking upper cover 41 lower edge generation be in direct contact, make it is interior along shirt rim 444 in moving process have certain frictional force,
Surgical instrument will not be made excessively to move, avoid the problem for causing operation wound excessive；It is asked simultaneously in order to avoid frictional force is excessive
Undulating pleats 443 need to be only set as a circle by topic, opposite compared with the several layers plicated layer being arranged in the prior art, the present invention
The advantages of width in fold is larger, also has and is easier to produce, more difficult damage.
Further, the purpose that outer shirt rim 445 of the invention is located at the top of undulating pleats 443 not only has well
Sealing effect, also allow comprehensive sealing valve effectively save space-efficient be mounted on locking upper cover 41 and locking switch cap 46 it
Between, the cross sectional shape of outer shirt rim 445 is L-shaped shirt rim, and the wherein long side top shape of L-shaped shirt rim is triangle, is designed as three
Angular top is to ensure 445 top of outer shirt rim and lock the sealing effect between upper cover 41, than common arc-shaped top
Sealing effect is more preferable.The short side bottom surface of L-shaped shirt rim is inclined-plane, and the outer ledge on inclined-plane is less than its inside edge, this design
Purpose is to compress locking switch cap 46 downwards, and the sealing for ensureing 445 lower part of outer shirt rim and locking between switch cap 46 is imitated
Fruit.
Further, the purpose of setting taper seal 441 is that pyramidal structure is conducive to guided puncture shank in the present invention
Quickly wear, puncture needle can be avoided to puncture the side wall of taper seal 441 as far as possible, compared with the existing technology in bowl-type etc.
Sealing element practical function is more preferable；The periphery wall of taper seal 441 is equipped with convex ribs 416, and the periphery wall of taper seal 441 is equipped with
The purpose of convex ribs 416 is flexible glue taper ring will not to be driven to rout up outward when extracting puncture instrument.
Further, the height of undulating pleats 443 is equal with the height of space collar 442.The interior width along shirt rim 444 with
The ratio between width of undulating pleats 443 is 1:3-4.The width of outer shirt rim 445 is 3 with the width ratio of undulating pleats 443:4-
5.The interior short side along shirt rim 444 and L-shaped shirt rim is maintained on sustained height.This design can ensure that sealing effect is more preferable.
Further, convex ribs 416 are evenly distributed on the periphery wall of taper seal 441.Comprehensive sealing valve is by elastic material
Material is made for flexible medical rubber.Including but not limited to：Medical silica-gel, medical grade rubber, medical polyurethane, medical latex and it
Combination.
Further, the inside rim for locking the locking switch cap bottom plate 461 of switch cap is downwardly projecting for compressing duckbill valve
The first compacting ring upper bottom surface, make between locking switch cap bottom plate and the first compacting ring of duckbill valve for interference connect, to
The connective stability between the first seal assembly and the second seal assembly is further strengthened, ensures the choke effect of seal assembly.
Further, the madial wall side for locking the tight switch cap outer wall 462 of switch cap is protruding upward close for compressing synthesis
The bottom surface for sealing the comprehensive sealing valve of valve makes to connect for interference between locking switch cap and the comprehensive sealing valve of comprehensive sealing valve,
To reinforce locking switch cap and lock the connective stability between upper cover, promote each component connection inside the first seal assembly
Integraty ensures the choke effect in the first seal assembly.
The present invention is arranged by the flange on the bottom plate and outer wall of locking switch cap, strengthens respectively and comprehensive sealing valve
Sealing effect between duckbill valve, to puncture the choke effect for covering casing from whole ensure that.
It is the mounting structure for valve of the puncture outfit of this practicality as shown in attached drawing 24-25, specially includes puncture cannula seat 11
With gas injection valve 3, there are two recessed portions 112, the outside of one of recessed portion 112 is equipped with note on the circumferential surface of puncture cannula seat 11
Air valve 3, gas injection valve 3 include valve body 32, spool and air injection pipe 31, and air injection pipe 31 is connect with the mounting cylinder 111 in recessed portion 112,
And the angle between air injection pipe 31 and mounting cylinder 111 is 65-75 degree, i.e. the air injection pipe 31 of the application is to be tiltedly mounted on recessed portion
On 112, it is also to be obliquely installed that the benefit one of this design, which is the gas injection hose that can be plugged in air injection pipe 31, loading angle
Preferably, that is, it is not easy to slide from air injection pipe 31, moreover it is possible to make gas injection hose in the prominent form of class parabolic shape above pneumoperitoneum, from
And when gas injection hose and pneumoperitoneum between there are certain gap, that is, ensure the flexibility of puncture cannula movement, and set convenient for distinguishing
Other pipelines on pneumoperitoneum；Second is that 31 inclined design of air injection pipe and with recessed portion 112 coordinate, make air injection pipe 31 in puncture cannula
Half is formed on seat 11 and hides design, unless operation gas injection valve 3 switchs consciously during use, is otherwise not likely to produce and is accidentally touched gas injection
The problem of valve 3；The gas injection nozzle of the application air injection pipe 31 is general female Luer, meets the standard of medical instrument.Valve body 32
For cylindrical shape, with being mounted in air injection pipe 31 in left and right perforation direction, the left and right perforation of the application is relative on puncture outfit
For the direction of lower perforation, the valve body 32 that middle gas injection valve 3 is different from the prior art is arranged up and down on puncturing seat；Valve body
The spool that capable of circumferentially rotating, air injection pipe 31 is connected to or is blocked is equipped in 32；Puncture cannula seat 11, valve body 32 and air injection pipe
31 are an integral structure, and intensity is high, and stability is strong so that sealing effect is good when use, is not likely to produce gas leakage or the phenomenon of leakage.
Further, air injection pipe 31 is mounted on the lower section of recessed portion 112, the area between 32 upside of valve body and recessed portion 112
Domain is also equipped with floor 113, and floor 113 is arranged in the centre of recessed portion 112, floor 113, puncture cannula seat 11,32 and of valve body
Air injection pipe 31 is also an integral structure, by injection molding technology can simple realization, the design of floor 113 not only manufacture craft letter
It is single, make the bonding strength bigger between gas injection valve 3 and puncture cannula seat 11, structural stability is more preferable, while floor 113 also functions to
The effect for facilitating hand to be held in recessed portion 112, makes puncture outfit more preferably grasp, and can also finally further function as prevents from accidentally touching note
Air valve 3.
Further, spool includes circumferentially rotating the valve rod 33 being arranged in valve body 32, and one end of valve rod 33, which is equipped with, to be located at
The shift bar 34 in 32 outside of valve body, the other end are oblique cone end 332, and the purpose of setting oblique cone end 332 is because oblique cone end 332 is set
It sets and is quick installed in valve body 32 convenient for valve rod 33, it is easy to use, save cost；Valve can be extended radially through by being equipped at 33 middle part of valve rod
The venthole 35 of bar 33.The circumferential position-limit mechanism that valve rod 33 circumferentially rotates can be limited by being equipped between valve rod 33 and valve body 32；Week
Include the arc notch 321 being arranged in 32 end of valve body to position-limit mechanism, valve rod 33 be equipped with it is corresponding with arc notch 321 and
When valve rod 33 circumferentially rotates can respectively with 321 end of arc notch against arc-shaped limit block 331.I.e. when arc-shaped limit block
331 with 321 one end of arc notch lean when, air injection pipe 31 is connected to by venthole 35 with mounting cylinder 111, shift bar 34 and gas injection
Pipe 31 is parallel；When arc-shaped limit block 331 and 321 other end of arc notch against when, venthole 35 is by air injection pipe 31 and mounting cylinder
111 block, and shift bar 34 is vertical with air injection pipe 31, and shift bar 34 is higher by the recessed portion 1-2cm of puncture cannula seat 11, higher than recessed
The purpose of concave portion 1-2cm, the operation also for shift bar 34 reserve corresponding operating space so that valve is turned on and off
It is easy to operate, slip preventing fringe 341 is additionally provided on the lateral wall of shift bar 34, also for easy to operate.
Further, it is additionally provided with locking upper cover on puncture cannula seat 11, locks in upper cover and is additionally provided with limiting slot 413, limits
The offside in gas injection valve 3 is arranged in slot 413；Locking upper cover is equipped with puncture needle, and puncture needle includes puncture needle seal cap and puncture needle
Bar, the both sides of puncture needle seal cap also are provided with the flat horizontal surface of recess, puncture shank and are equipped with limited block 224, limited block 224 is installed
In locating slot 214, the concave part position of positioning flat horizontal surface and puncture cannula seat 11 is correspondingly set up and down.The purpose of this design
It is the holding operation for ensureing hand in recessed portion 112, is conducive to the convenience of operation.
In short, the disposable puncture device reasonable design of the present invention, compact-sized, safe to use, effective, in clinical operation
Wound area can be greatly reduced, operating time is greatly shortened, reduces bleeding and the postoperative infection of patient, while improving operation matter
Amount.
The assembling process of puncture outfit of the present invention is：First by the Duckbill seal valve and locking lower cover peace in the second seal assembly
On puncture cannula seat, the first seal assembly integral installation is then completed into puncture cannula in the top of the second seal assembly
Assembling；Then shank will be punctured and the installation of puncture needle seal cap is fixed, complete the assembling of puncture needle；Successively by puncture needle finally
It is passed through from the centre bore of the first seal assembly and the second seal assembly, and the puncture conehead for puncturing shank end is pierced by puncture set
Pipe is outer, completes the assembling process of puncture outfit.
The use process and sealing principle of the puncture outfit of the present invention are as follows：The sealing device and disposable puncture device of the present invention
It matches, is that a kind of minimally invasive hysteroscope instrument is built suitable for abdominal cavity, uropoiesis, Gynaecological inspection and surgical procedure
It uses in vertical surgical work channel.The puncture conehead of the puncture needle front end of disposable puncture device is cut in patients abdomen soft tissue first small
Mouthful, it then will puncture conehead and be inserted into patients abdomen soft tissue small notch, as puncture awl punctures soft tissue lower layer with puncture
Scarf of the casing part with taper enters soft tissue together, passes through patient abdominal cavity soft tissue up to abdominal cavity in puncture awl, at this time
Puncture cannula is reached as puncture awl penetrates abdominal cavity in the middle part of abdominal cavity, is then extracted puncture needle from puncture cannula, is opened gas injection
The valve switch on valve top, gas is by gas injection valve air inlet, spool, valve body, from puncture cannula injection patient abdominal cavity, due to
Second sealing valve lower part is equipped with duckbill valve, and when puncture shank is extracted out from duckbill valve, the valve nozzle of duckbill valve is automatically closed, injection
It just can not emerge out of puncture cannula to intraperitoneal gas, play the role of one-way sealing, to keep pneumoperitoneum to exist, make patient
Abdominal cavity is heaved, and valve is closed, and starts abdominal operation process.
Then abdominal operation instrument can be inserted into and pass through from the first sealing valve, the second sealing valve of disposable puncture device
Puncture cannula is inserted into abdominal cavity, since the comprehensive sealing valve of the first seal assembly and the duckbill valve of the second seal assembly are to surgical device
Tool has extraordinary holding effect, and sealing abdominal operation instrument performance is good, and injecting gas in abdominal cavity will not leak, and have multiple
Sealing effect.
In the course of surgery, it needs to take out surgical tissue, the first seal assembly of puncture outfit of the invention and the second sealing
Component detachably detaches, and makes to organize quickly to take out from duckbill valve in art, then again by the first seal assembly and the second sealing group
Part screws, and continues to perform the operation, and extracts surgical instrument from disposable puncture device after operation, opens valve switch, will
It injects gas in patient abdominal cavity to excrete from the exhaust outlet of gas injection valve, after gas discharge to be implanted, you can by disposable puncture
Device is transferred to from patients abdomen, completes surgical procedure.
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
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
It the above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of puncture cannula device for laparoscope puncture outfit, which is characterized in that the puncture cannula includes puncture cannula
Body and two-stage sealing device, the puncture cannula body include puncture cannula seat and casing, and the two-stage sealing device is mounted on institute
The top of puncture cannula seat is stated, described sleeve pipe is mounted on the lower section of puncture cannula seat；Note is installed on the side wall of puncture cannula seat
Air valve and gas injection valve are arranged with puncture cannula to be integrated.
2. a kind of puncture cannula device for laparoscope puncture outfit according to claim 1, which is characterized in that described two
Grade sealing device includes the first seal assembly and the second seal assembly；First seal assembly is located at the upper of the second seal assembly
Side；First seal assembly includes locking upper cover, support ring, support chip, comprehensive sealing valve, interval clamp ring and locking conversion
Cap, the support ring, support chip, comprehensive sealing valve and interval clamp ring are mounted between locking upper cover and locking switch cap, and
The support ring and support chip are mounted in comprehensive sealing valve, and the interval clamp ring is mounted below comprehensive sealing valve；It is described
Second seal assembly includes locking lower cover and Duckbill seal valve, and Duckbill seal valve is equipped in the locking lower cover；Pass through locking
Switch cap is connect with locking lower cover, so that the first seal assembly and the second seal assembly is installed and is fixed.
3. a kind of puncture cannula device for laparoscope puncture outfit according to claim 2, which is characterized in that described
Two seal assemblies are mounted on the top of puncture cannula seat, and the top of the specially described Duckbill seal valve is equipped with the first compacting ring successively
With the second pressing groove, first compacting ring corresponds in the connecting seat being mounted in locking lower cover, and second pressing groove corresponds to
In the mounting cylinder in puncture cannula seat.
4. a kind of puncture cannula device for laparoscope puncture outfit according to claim 3, which is characterized in that described to wear
It is additionally provided with horizontal card slot on the periphery wall on thorn casing seat top and vertical card stitches, the internal perisporium of the locking lower cover is correspondingly arranged at cross
To fixture block and vertical strip；The transverse direction fixture block is mounted in horizontal card slot, and the vertical strip is mounted on the vertical card seam
It is interior.
5. a kind of puncture cannula device for laparoscope puncture outfit according to claim 4, which is characterized in that the lock
Locking switching mechanism is equipped between tight upper cover, locking switch cap and locking lower cover, the outer wall of the locking switch cap is equipped with card
Closing piece is connect, the inner wall of the locking upper cover is equipped with clamping locked groove, and the clamping closing piece, which corresponds to, to be mounted in the clamping locked groove；
The lower part of the locking switch cap is equipped with mortise lock body, and the top of the locking lower cover is equipped with mortise lock slot, and the mortise lock body is mounted on
In the mortise lock slot.
6. a kind of puncture cannula device for laparoscope puncture outfit according to claim 5, which is characterized in that the card
It includes lateral closing piece and vertical closing piece to connect closing piece, and lateral locked groove and vertical locked groove, the laterally lock are equipped in the locking upper cover
Block is mounted in lateral locked groove, and the vertical closing piece is mounted in vertical locked groove；The mortise lock body is L-shaped arc plate, the L-shaped arc
The number of plate is two, and is evenly distributed on the lower part of locking switch cap；The mortise lock slot includes grafting spin slot and grafting card slot,
The grafting spin slot is connected to grafting card slot；The top of the grafting card slot is additionally provided with grafting snap-gauge.
7. a kind of puncture cannula device for laparoscope puncture outfit according to claim 6, which is characterized in that the lock
The lower part of tight lower cover is additionally provided with clamping arc plate, and the clamping arc plate is correspondingly arranged at the lower section of grafting spin slot；Second pressing groove
Outside be equipped with press flange, the press flange be mounted on it is described clamping arc plate between gap in；First compacting ring
Bottom surface be inclined-plane, and the outer ledge on inclined-plane be less than its inside edge.
8. a kind of puncture cannula device for laparoscope puncture outfit according to claim 7, which is characterized in that described comprehensive
It includes cone seal valve and wave shape sealing ring to close sealing valve, and the support chip is mounted in cone seal valve, the support ring
Mounted on the top of support chip；The wave shape sealing ring includes outer shirt rim and interior along shirt rim, and the outer shirt rim is pressed on
It locks between upper cover and locking switch cap；It is described it is interior between shirt rim and cone seal valve be equipped with space collar；The interval locking
Circle is mounted on the periphery of space collar.
9. a kind of puncture cannula device for laparoscope puncture outfit according to claim 8, which is characterized in that between described
The cross sectional shape of spacer ring is H-shaped；The interval clamp ring include interval locking bed and interval lock sheet, the interval locking bed and
The card slot of space collar H-shaped lower part corresponds to clamping, and the interval locking bed is located on the bottom plate of locking switch cap, the interval locking
In piece clipping room spacer ring and the interior card slot between shirt rim；The upper opening of the interval lock sheet is closing in shape.
10. a kind of puncture cannula device for laparoscope puncture outfit according to claim 9, which is characterized in that described
There are two recessed portions on the circumferential surface of puncture cannula seat, gas injection valve, the gas injection valve packet are installed on the outside of one of recessed portion
Valve body, spool and air injection pipe are included, the air injection pipe is connect with the mounting cylinder in recessed portion, and the folder between air injection pipe and mounting cylinder
Angle is 65-75 degree；The valve body is cylindrical shape, with being mounted in air injection pipe in left and right perforation direction；Being equipped in valve body can week
Spool to rotation to which air injection pipe to be connected to or block；The puncture cannula seat, valve body and air injection pipe are an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201518.XA CN108309412B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device for laparoscopic puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201518.XA CN108309412B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device for laparoscopic puncture outfit |
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| Publication Number | Publication Date |
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| CN108309412A true CN108309412A (en) | 2018-07-24 |
| CN108309412B CN108309412B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810201518.XA Active CN108309412B (en) | 2018-03-12 | 2018-03-12 | Puncture sleeve device for laparoscopic puncture outfit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009347A (en) * | 2018-07-31 | 2018-12-18 | 德清朗特医疗科技有限公司 | Puncture needle and puncture outfit |
| CN109288569A (en) * | 2018-09-29 | 2019-02-01 | 江苏风和医疗器材股份有限公司 | A kind of puncture outfit shell and puncture outfit |
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| CN109009347B (en) * | 2018-07-31 | 2024-04-05 | 德清朗特医疗科技有限公司 | Puncture needle and puncture device |
| CN109288569A (en) * | 2018-09-29 | 2019-02-01 | 江苏风和医疗器材股份有限公司 | A kind of puncture outfit shell and puncture outfit |
| CN109288569B (en) * | 2018-09-29 | 2019-10-25 | 江苏风和医疗器材股份有限公司 | A kind of puncture outfit shell and puncture outfit |
| CN110960296A (en) * | 2018-09-29 | 2020-04-07 | 江苏风和医疗器材股份有限公司 | Puncture outfit shell and puncture outfit |
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