CN209220438U - A kind of locking switching mechanism for laparoscope puncture outfit casing seat - Google Patents
A kind of locking switching mechanism for laparoscope puncture outfit casing seat Download PDFInfo
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- CN209220438U CN209220438U CN201820334890.3U CN201820334890U CN209220438U CN 209220438 U CN209220438 U CN 209220438U CN 201820334890 U CN201820334890 U CN 201820334890U CN 209220438 U CN209220438 U CN 209220438U
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- switching mechanism
- closing piece
- puncture
- puncture outfit
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Abstract
The utility model relates to a kind of locking switching mechanisms for laparoscope puncture outfit casing seat, including locking upper cover, locking switch cap and locking lower cover, the outer wall of the locking switch cap is equipped with clamping closing piece, the inner wall of the locking upper cover is equipped with clamping locked groove, and the clamping closing piece correspondence is 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 in the mortise lock slot.The taking-up demand of surgical tissue in surgical procedure can be effectively ensured, it is ensured that abdominal operation is normally carried out, easy to use, securely and reliably in the locking switching mechanism of the utility model, deft design.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of locking for laparoscope puncture outfit casing seat turn
It changes planes structure.
Background technique
In the operation of minimally invasive medical-therapeutic treatment of human body, once finding illness in body, need to perform the operation or 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.Firstly, first cutting skin epidermis with scalpel, so to penetrate skin
Skin is penetrated using puncturing lever afterwards and enters body cavity together with sleeve assembly, then extracts 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.
The uterine tissue that the puncture channel for needing to establish in typical gynecological surgery cuts down convenient for taking-up, existing skill
The puncture channel for needing additionally to establish a 15mm in art, it is larger to the injury of patient.If design can directly take out taking-up compared with
The puncture cannula of big diseased organ (tissue), then can reduce additional puncture channel, reduce the damage for patient.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of for laparoscope puncture outfit casing seat
Lock switching mechanism.Surgical tissue in surgical procedure can be effectively ensured in the locking switching mechanism of the utility model, deft design
Taking-up demand, can reduce additional puncture channel, reduce the damage for patient.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of locking switching mechanism for laparoscope puncture outfit casing seat of the utility model, the locking switching mechanism
Including locking upper cover, locking switch cap and locking lower cover, the outer wall of the locking switch cap is equipped with clamping closing piece, the locking
The inner wall of upper cover is equipped with clamping locked groove, and the clamping closing piece correspondence is mounted in the clamping locked groove；The locking switch cap
Lower part be equipped with mortise lock body, the top of the locking lower cover is equipped with mortise lock slot, and the mortise lock body is mounted in the mortise lock slot.This
In the locking switching mechanism of utility model, locking between upper cover and locking switch cap is to be fastenedly connected, and locking lower cover and locking turn
Changing is to be detachably connected between cap, to guarantee that locking switch cap can quickly remove from locking lower cover, and then can be incited somebody to action
Surgical tissue is directly pulled out from the outlet of locking lower cover, effectively meets the taking-up demand of surgical tissue.
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.This is practical
Novel clamping closing piece includes that the purpose of lateral closing piece and vertical closing piece is to guarantee to lock upper cover simultaneously in radial and axial direction
It is fixedly mounted on locking switch cap in both direction, fastening effect is effectively ensured, surgical procedure is avoided to miss the tight upper cover of latch
Cause the consequence of gas leakage.
Further, the mortise lock body is L shape arc plate, and the number of the L shape arc plate is two, and is evenly distributed on locking
The lower part of switch cap.
Further, the mortise lock slot includes grafting spin slot and grafting card slot, and the grafting spin slot is connected to grafting card slot.
Further, the top of the grafting card slot is equipped with grafting snap-gauge.
Further, the lateral closing piece and vertical closing piece interval are evenly distributed on the outer wall of locking switch cap.
Further, the top of the vertical closing piece is cone cell, and the purpose of this design can guarantee that vertical closing piece is quickly inserted
Enter to lock in upper cover, guarantees the convenience of installation.
Further, the lower part of the locking lower cover is mounted on puncture cannula seat.
Further, after the locking switching mechanism installation, seamless setting between upper cover and locking lower cover is locked, that is, is locked
Switch cap can be fully mounted between locking upper cover and locking lower cover, externally not go out to lock the installation of switch cap, whole
Occupied space is smaller, designs very exquisite.
Beneficial effect
Mortise lock body is equipped in the locking switching mechanism of the utility model, it is ensured that locking switch cap can be quickly from lock
It is removed on tight lower cover, effectively meets the taking-up demand of surgical tissue.
The locking switching mechanism of the utility model, clamping closing piece are arranged lateral closing piece and vertical closing piece, can guarantee simultaneously
It locks upper cover and is fixedly mounted on locking switch cap in radial and axial direction both direction, fastening effect is effectively ensured,
Surgical procedure is avoided to miss the consequence that the tight upper cover of latch causes gas leakage.
Taking for surgical tissue in surgical procedure can be effectively ensured in the locking switching mechanism of the utility model, deft design
Demand out, it is ensured that abdominal operation is normally carried out, easy to use, securely and reliably.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the laparoscope puncture outfit of the utility model；
Fig. 2 is the laparoscope puncture outfit casing overall structure diagram of the utility model；
Fig. 3 is the laparoscope puncture outfit bushing explosion structural schematic diagram of the utility model；
Fig. 4 is the puncture needle overall structure diagram of the laparoscope puncture outfit of the utility model；
Fig. 5 is the structural schematic diagram of the puncture needle seal cap of the laparoscope puncture outfit of the utility model；
Fig. 6 is the structural schematic diagram of the puncture shank of the laparoscope puncture outfit of the utility model；
Fig. 7 is the schematic diagram of the section structure of the puncture needle casing of the laparoscope puncture outfit of the utility model；
Fig. 8 is the schematic diagram of the section structure of the two-stage sealing device of the laparoscope puncture outfit of the utility model；
Fig. 9 is the structural schematic diagram of the Puncture needle sleeve tube socket of the laparoscope puncture outfit of the utility model；
Figure 10 is the axial configuration schematic diagram of grade of the two-stage sealing device of the laparoscope puncture outfit of the utility model；
Figure 11 is the vertical configuration schematic diagram of the two-stage sealing device of the laparoscope puncture outfit of the utility model；
Figure 12 is the schematic diagram of the section structure of the second seal assembly of the laparoscope puncture outfit of the utility model；
Figure 13 is the structural schematic diagram of the Duckbill seal valve of the laparoscope puncture outfit of the utility model；
Figure 14 is the configuration schematic diagram of the locking switching mechanism of the laparoscope puncture outfit of the utility model；
Figure 15 is the structural schematic diagram of the locking switch cap of the laparoscope puncture outfit of the utility model；
Figure 16 is the structural schematic diagram of the locking upper cover of the laparoscope puncture outfit of the utility model；
Figure 17 is the bottom substance schematic diagram of the locking lower cover of the laparoscope puncture outfit of the utility model；
Figure 18 is the positive structure schematic of the locking lower cover of the laparoscope puncture outfit of the utility model；
Figure 19 is the vertical configuration schematic diagram of the first seal assembly of the laparoscope puncture outfit of the utility model；
Figure 20 is the axial configuration schematic diagram of grade of the first seal assembly of the laparoscope puncture outfit of the utility model；
Figure 21 is the schematic diagram of the section structure of the first seal assembly of the laparoscope puncture outfit of the utility model；
Figure 22 is the positive the schematic diagram of the section structure of the comprehensive sealing valve of the laparoscope puncture outfit of the utility model；
Figure 23 is the reversed profile structural schematic diagram of the comprehensive sealing valve of the laparoscope puncture outfit of the utility model；
Figure 24 is the fried structural schematic diagram of the interval clamp ring of the laparoscope puncture outfit of the utility model；
Figure 25 is the gas injection valve mounting structure schematic diagram of the laparoscope puncture outfit of the utility model；
Figure 26 is the stem structure schematic diagram of the laparoscope puncture outfit of the utility model；
Wherein, 1- puncture cannula body, 11- puncture cannula seat, 111- mounting cylinder, 112- recessed portion, 113- floor, 114- are horizontal
To card slot, 115- vertically blocks seam, 12- casing, 121- casing annular line, 2- puncture needle, 21- puncture needle sealing cover, and 211- is flat
Face, 212- arcwall face, 213- burr, 214- locating slot, 215- indent, 22- puncture shank, the 221- body of rod, and 222- punctures shank
Seat, 223- puncture conehead, 224- limited block, 225- positioning column, 226- briquetting, 3- gas injection valve, 31- air injection pipe, 32- valve body,
321- arc notch, 33- valve rod, 331- arc-shaped limit block, the tapered end 332-, 34- shift bar, 341- slip preventing fringe, 35- ventilation
Hole, the first seal assembly of 4-, 41- lock upper cover, 411- transverse direction locked groove, the vertical locked groove of 412-, 413- limiting slot, 414- petal
Slot, 42- support ring, 43- support chip, 44- comprehensive sealing part, 441- cone seal valve, 442- space collar, 443- waveform pleat
Wrinkle, 444- are interior along skirt, the outer 445- skirt, 446- convex ribs, the clamp ring of the interval 45-, the interval 451- locking bed, the interval 452- lock
Tight piece, 46- lock switch cap, and 461- locks switch cap bottom plate, and 462- locks switch cap outer wall, 463- transverse direction closing piece, and 464- is erected
To closing piece, 465- mortise lock body, the second seal assembly of 5-, 51- locks lower cover, 511- grafting spin slot, 512- grafting card slot, and 513- is inserted
Connect snap-gauge, 514- is clamped arc plate, 515- transverse direction fixture block, the vertical strip of 516-, 517- attachment base, 52- Duckbill seal valve, 521- the
One compacting ring, the second pressing groove of 522-, 523- press flange.
Specific embodiment
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 should 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 describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two components interiors.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
As shown in Fig. 1, the laparoscope puncture outfit of the utility model is the puncture outfit that specification is 10mm, including puncture cannula
1 and puncture needle 2, puncture cannula 1 is equipped with the channel worn for puncture needle 2 on vertical center, is denoted as puncture channel, in use,
Puncture needle 2 is passed through in puncture channel insertion puncture cannula 1 and is stretched out from the tail end of puncture cannula 1；The side wall of puncture cannula seat 11
On gas injection valve 3 is installed and the setting of gas injection valve 3 and puncture cannula 1 is integrated, will pass through puncture outfit to internal gas supply, keep gas
The presence of abdomen.
As illustrated in figs. 2-3, the puncture cannula 1 for being the utility model includes puncture cannula body and two-stage sealing device, is worn
Thorn 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, casing 12
It is mounted on the lower section of puncture cannula seat 11；The outer wall of casing 12 is equipped with casing annular line 121, by the purpose that annular line is arranged
It is the frictional force for increasing casing and stomach wall, avoids being extruded abdomen in abdominal cavity gas pressure effect setting of casing, influence operation and carry out.
As shown in figs. 4 through 6, the puncture needle for being the utility model includes puncturing shank 22 and puncture needle sealing cover 21, is punctured
Shank 22 includes the body of rod 221, punctures conehead 223 and puncture needle bar frame 222, punctures the top that needle bar frame 222 is mounted on the body of rod 221
Portion punctures the bottom that conehead 223 is mounted on the body of rod 221；The lid circumferential surface of puncture needle sealing cover 21 be divided into two it is symmetrical flat
Face 211 and two symmetrical arcwall faces 212, flat horizontal surface 211 are shiny surface, and arcwall face 212 is equipped with burr 213, the mesh of this design
Be as grip part by flat horizontal surface 211 convenient for grasping, regard arcwall face 212 as operating surface, burr 213 above has anti-skidding
Function facilitates 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 shank
Seat 222 is equipped with corresponding positioning column 225, and 225 grafting of positioning column enters puncture needle sealing cover 21 and puncture needle in locating slot 214
Pole socket 222 is fixedly mounted, and positioning column 225 and locating slot 214 guarantee that direct grafting can fix puncture needle sealing cover 21 and wear
Pricker pole socket 222, and directly positioning puncture needle sealing cover 21 is puncturing the installation site on needle bar frame 222, guarantees that puncture needle exists
Flat horizontal surface 211 effectively avoids wrong installation, mounting means is simple and convenient as grip part towards hand when work.
Further, puncturing shank 22 further includes limited block 224, 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 prevented, guarantee 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
Can guarantee installation position of the puncture needle in puncture cannula, this design makes puncture outfit during installation, and it is very simple accurate, subtract significantly
Setup error is lacked.
Further, puncturing needle bar frame 222 is discoid, the diameter of puncture needle bar frame 222 and 21 bottom of puncture needle sealing cover
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 226 corresponding with indent 215.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 causing in high molecular material using the crystal structure inside ultrasonic bonding change high molecular material in the prior art
Stress changes, and is easy to happen problem of Cracking；Therefore the connection type in the application between component using clamping, walks technique
Rapid and process equipment is simpler quick, and safety and environmental protection saves production cost.
Further, the another side of limited block 224 and the body of rod 221 are seamlessly connected.Limited block 224 is L shape limited block 224, L
The short side and puncture needle bar frame 222 of shape limited block 224 are seamlessly connected, and long side and the body of rod 221 are seamlessly connected.L shape in the application
Limited block 224 with puncture shank 22 be it is integrally formed, limited block 224 and puncture shank 22 production it is very simple, connection it is non-
Often stablize, the radial rotating for puncturing shank 22 in puncture cannula can be effectively prevented, and is not easy stress damage.
It is that the two-stage sealing device of the utility model includes the first seal assembly 4 and the second sealing as shown in attached drawing 7-11
Component 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。
It as shown in Fig. 12-13, is that second seal assembly 5 of the utility model is mounted on the top of puncture cannula seat 11,
The top of specially Duckbill seal valve 52 is successively arranged the first compacting ring 521 and the second pressing groove 522, and the first compacting ring 521 is right
It should be mounted in the attachment base 517 in locking lower cover 51, the corresponding mounting cylinder being mounted in puncture cannula seat of the second pressing groove 522
In 111.
Further, the lower part for 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 be 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 utility model, can effectively be limited to press flange 523
It is clamped between arc plate 514, caused Duckbill seal valve generates radial in puncture cannula seat when effectivelying prevent puncturing shank extraction
Rotation, guarantees 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 lower than its inside edge；The
The bottom surface of one compacting ring 521 is inclined-plane, and the outer ledge on inclined-plane is lower than its inside edge.The purpose of the design can be close with duckbilled
The enclasping force for sealing valve and the attachment base 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, horizontal card slot 114 and vertical card seam 115, lock are additionally provided on the periphery wall on 11 top of puncture cannula seat
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 in vertical card seam 115.Locking lower cover and puncture cannula seat in the puncture outfit of the utility model
Between two-stage connection structure, the two can be fixed from axially and radially direction, and it is possible to prevente effectively from accidentally touch, will puncture
Positioning and guiding lid whiz goes out puncture cannula seat, more ensures the safety of puncture outfit use process.
It is the locking switching mechanism of the utility model as shown in attached drawing 14-18, locking upper cover, locking switch cap and locking
It is equipped with locking switching mechanism, including locking upper cover 41, locking switch cap 46 and locking lower cover 51 between lower cover 51, locks 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 correspondence is mounted on card
It connects in locked groove；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, mortise lock body 465
It is mounted in mortise lock slot.In the locking switching mechanism of the utility model, locking between upper cover 41 and locking switch cap 46 is fastening
Connection, locking is to be detachably connected between lower cover 51 and locking switch cap 46, to guarantee that locking switch cap 46 can be quick
It removes, and then surgical tissue can directly be pulled out from the outlet of locking lower cover 51 from locking lower cover 51, effectively meet hand
The taking-up demand of art tissue.
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 utility model includes that the purpose of lateral closing piece 463 and vertical closing piece 464 is to guarantee in locking simultaneously
Lid 41 is fixedly mounted on locking switch cap 46 in radial and axial direction both direction, and fastening effect is effectively ensured, keeps away
Exempt from surgical procedure and misses the consequence that the tight upper cover 41 of latch causes gas leakage.
It further, as shown in Fig. 15, is the mortise lock body 465 of the utility model, mortise lock body 465 is L shape arc plate, L shape
The number of arc plate is two, and is evenly distributed on the lower part of locking switch cap 46.Mortise lock slot includes grafting spin slot 511 and grafting card
Slot 512, grafting spin slot 511 are connected to grafting card slot 512.The top of grafting card slot 512 is equipped with grafting snap-gauge 513.Lateral closing piece
463 and vertical closing piece 464 be spaced be evenly distributed on locking switch cap 46 outer wall 462 on.
Further, the top of vertical closing piece 464 is cone cell, and the purpose of this design can guarantee vertical closing piece 464 quickly
In insertion locking upper cover 41, guarantee the convenience of installation.
Further, the lower part for 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, i.e. locking switch cap 46 can be fully mounted at locking upper cover 41 and locking lower cover
Between 51, externally do not go out to lock the installation of switch cap 46, whole occupied space is smaller, designs very exquisite.
It is that first seal assembly 4 of the utility model includes locking upper cover 41, support ring 42, props up as shown in attached drawing 19-23
Blade 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 interval clamp ring 45 be mounted on locking upper cover 41 and locking switch cap 46 between, and support ring 42 and support chip 43 be mounted on it is comprehensive
It closes in sealing valve 44, interval clamp ring 45 is mounted on 44 lower section of comprehensive sealing valve；Pass through locking switch cap 46 and locking lower cover 51
Connection is installed the first seal assembly 4 and the second seal assembly 5 and is fixed.With synthesis in first seal assembly of the utility model
It is installed based on sealing valve, support chip 43 plays the role of support protection cone seal valve 441, support ring 42 and interval clamp ring
45 play the role of support interval, and locking upper cover 41 and locking switch cap 46 play and compress comprehensive sealing valve 43, guarantee
Sealing effect.The support chip, support ring and interval clamp ring three of the utility model are close with synthesis after the installation of comprehensive sealing valve
Envelope valve forms one, can be denoted as comprehensive sealing support valve module, and comprehensive sealing support valve module is placed in locking upper cover and lock
Between tight switch cap, when the puncture shank or surgical instrument that are inserted into comprehensive sealing valve are mobile, which supports valve group
Part is whole to be moved between locking upper cover and locking switch cap, is avoided generating gap since only comprehensive sealing valve is mobile, be caused
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 skirt 445, interior along skirt 444 and undulating pleats 443, wave
Shape wave fold 443 is located at outer skirt 445 and interior between skirt 444, and outer skirt 445 is located at undulating pleats 443
Top, it is interior that space collar 442 is equipped between skirt 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；Interval clamp ring 45 is mounted on the periphery of space collar 442.
Further, the top of support chip 43 is equipped with several connecting columns, and support ring 42 is equipped with to be cooperated with above-mentioned connecting column
The connecting hole of connection.The puncture outfit of the utility model in use, puncture needle contact ebonite piece material support chip, will not damage soft
Glue cone seal valve, the utility model by Elastic flexible glue cone seal valve in conjunction with support chip, cone seal can be prevented
Valve is even ruptured because of abrasion caused by puncturing the directly contact of cone, guarantees sealing ring energy normal use.Simultaneously when extraction punctures
When instrument, it not will drive cone seal valve and rout up outward, and cone seal valve itself has elasticity, support chip can be driven inwardly to receive
It is tight to reset.
Further, the cross sectional shape of space collar 442 is H-shaped；Being spaced clamp ring 45 includes interval locking bed 451 and interval
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 skirt 444.
The cross sectional shape of space collar 442 is designed as H-shaped, the mode that clamping can be directly used will be spaced locking bed 451 and be mounted on
In comprehensive sealing valve 46, it is not necessary to using modes such as ultrasonic bonding, install 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 has in 442 outer of space collar and plays compression space collar
The support ring of inside installation and the effect of support chip are 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 utility model also has the function of providing support along skirt to be interior, interior edge is prevented
Skirt deformation.
Further, the height after interval lock sheet 452 is installed is greater than the height after support ring 42 is installed.
Further, the outer wall for 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 located at the top of taper seal 441；The interior cross sectional shape along skirt 444 is bar shaped；The opening court of undulating pleats 443
On, and the circle number of undulating pleats 443 is only a circle.The purpose of design of the comprehensive sealing valve of the utility model is both to guarantee to perform the operation
Flexibility when instrument moves in puncture cannula seat guarantees the precision of surgical instrument operation again.It is specially designed thus
Wave shape sealing ring, wherein outer skirt 445, which is located between locking upper cover 41 and locking switch cap 46, plays fixed comprehensive sealing
The effect of valve has micro gap between the interior lower section for being located at locking upper cover 41 along skirt 444, and the lower edge of locking upper cover 41
(0.2-0.6mm), when surgical instrument needs mobile, surgical instrument will drive side it is interior along 444 compressed fold portion of skirt to
445 side of outer skirt is mobile, moves surgical instrument flexibly, while interior phase can be generated in moving process along skirt 444
The deformation answered, with locking upper cover 41 lower edge generation directly contact, make it is interior along skirt 444 in moving process have centainly rub
Power is wiped, surgical instrument will not be made excessively to move, avoid the excessive problem of operation wound；Simultaneously in order to avoid frictional force is excessive
The problem of, undulating pleats 443 need to be only set as a circle, it is opposite compared with the several layers plicated layer being arranged in the prior art, this
The advantages of width in utility model fold is larger, also has and is easier to produce, more difficult damage.
Further, the purpose that the outer skirt 445 of the utility model is located at the top of undulating pleats 443 not only has
Good sealing effect also allows comprehensive sealing valve effectively save space-efficient and is mounted on locking upper cover 41 and locking switch cap
Between 46, the cross sectional shape of outer skirt 445 is L shape skirt, and wherein the long side top shape of L shape skirt is triangle, design
It is more arc-shaped than common to be to guarantee 445 top of outer skirt and lock the sealing effect between upper cover 41 at the top of triangle
Top sealing effect is more preferable.The short side bottom surface of L shape skirt is inclined-plane, and the outer ledge on inclined-plane is lower than its inside edge, this sets
The purpose of meter is to guarantee 445 lower part of outer skirt in order to compress locking switch cap 46 downwards and lock close between switch cap 46
Seal effect.
Further, the purpose for taper seal 441 being arranged in the utility model is that pyramidal structure is conducive to guiding puncture
Shank is quickly worn, and 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
The sealing elements practical function such as shape is more preferable；The periphery wall of taper seal 441 is equipped with convex ribs 416, the periphery wall of taper seal 441
Purpose equipped with convex ribs 416 is not will drive flexible glue taper ring when extracting puncture instrument and rout up outward.
Further, the height of undulating pleats 443 is equal with the height of space collar 442.The interior width along skirt 444 with
The ratio between width of undulating pleats 443 is 1:3-4.The width of outer skirt 445 and the width ratio of undulating pleats 443 are 3:4-
5.The interior short side along skirt 444 and L shape skirt is maintained on sustained height.This design can guarantee 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 to lock between switch cap bottom plate and the first compacting ring of duckbill valve and connected for interference, thus
The connective stability between the first seal assembly and the second seal assembly is further strengthened, guarantees the choke effect of seal assembly.
Further, the inner sidewall 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, making to lock between switch cap and the comprehensive sealing valve of comprehensive sealing valve is that interference connects,
To reinforce locking switch cap and lock the connective stability between upper cover, promote each component connection inside the first seal assembly
Integraty guarantees the choke effect in the first seal assembly.
The utility model is arranged by the flange on the bottom plate and outer wall of locking switch cap, strengthens respectively close with synthesis
The sealing effect between valve and duckbill valve is sealed, to puncture the choke effect for covering casing from whole ensure that.
It is the mounting structure for valve of this practical puncture outfit 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, the benefit of this design is first is that the gas injection hose that can be plugged in air injection pipe 31 is also to be obliquely installed, 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, i.e. the mobile flexibility of guarantee puncture cannula, and being set convenient for distinguishing
Other pipelines on pneumoperitoneum；Second is that 31 inclined design of air injection pipe and with recessed portion 112 cooperate, make air injection pipe 31 in puncture cannula
Design is hidden in formation half on seat 11, switchs in use process unless operating gas injection valve 3 consciously, is otherwise not likely to produce and accidentally touches 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 in up and down to be punctured on 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 using, are 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 the centre of recessed portion 112, floor 113, puncture cannula seat 11,32 and of valve body is arranged in floor 113
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, keep the bonding strength between gas injection valve 3 and puncture cannula seat 11 bigger, structural stability is more preferable, while floor 113 also functions to
The effect for facilitating hand to hold in recessed portion 112, grasps puncture outfit more preferably, 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 in the middle part of valve rod 33
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 that 32 end of valve body is set 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, are higher than recessed
The purpose of concave portion 1-2cm, the operation also for shift bar 34 reserves corresponding operation space, so that valve opens or closes
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 opposite side of 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 two 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 to guarantee that hand is operated in the gripping of recessed portion 112, is conducive to the convenience of operation.
It is compact-sized, using safely, effectively in short, the disposable puncture device design of the utility model is rationally, in clinical hand
Wound area can be greatly reduced in art, greatly shortens operating time, reduces the bleeding and postoperative infection of patient, while improving hand
Art quality.
The assembling process of the puncture outfit of the utility model are as follows: first will be under the Duckbill seal valve and locking in the second seal assembly
Lid is mounted on puncture cannula seat, then by the first seal assembly integral installation in the top of the second seal assembly, completes to puncture
The assembling of casing；Then shank will be punctured and the installation of puncture needle seal cap is fixed, complete the assembling of puncture needle；Finally by puncture needle
It is successively 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
It pierces outside casing, completes the assembling process of puncture outfit.
The use process and sealing principle of the puncture outfit of the utility model are as follows: the sealing device of the utility model and primary
Property puncture outfit match, be that a kind of minimally invasive hysteroscope instrument is suitable for abdominal cavity, uropoiesis, Gynaecological inspection and operation
Surgical work channel use is established in the process.It is first that the puncture conehead of the puncture needle front end of disposable puncture device is soft in patients abdomen
Tissue cuts osculum, then will puncture in conehead insertion patients abdomen soft tissue small notch, as puncture awl punctures soft tissue lower layer
Scarf with puncture cannula lower bands taper enters soft tissue together, passes through patient abdominal cavity soft tissue until abdomen in puncture awl
Chamber, puncture cannula reaches in the middle part of abdominal cavity as puncture awl penetrates abdominal cavity at this time, then extracts puncture needle from puncture cannula, beats
The valve switch on gas injection valve top is opened, gas injects patient abdominal cavity by gas injection valve air inlet, spool, valve body, from puncture cannula
In, since the second sealing valve lower part is equipped with duckbill valve, when puncture shank is extracted out from duckbill valve, the valve nozzle of duckbill valve closes automatically
It closes, be injected into intraperitoneal gas just can not emerge out of puncture cannula, play the role of one-way sealing, so that pneumoperitoneum be kept to deposit
Patient abdominal cavity is heaved, valve is closed, is starting 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 has multiple
Sealing effect.
In the course of surgery, it needs to take out surgical tissue, first seal assembly of puncture outfit of the utility model and second
Seal assembly detachably separates, and makes to organize quickly to take out from duckbill valve in art, then again that the first seal assembly and second is close
Sealing assembly screws, and continues to perform the operation, and extracts surgical instrument from disposable puncture device after operation, opens valve and opens
It closes, excretes gas is injected in patient abdominal cavity from the exhaust outlet of gas injection valve, it, can will be disposable after gas discharge to be implanted
Puncture outfit 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two components interiors.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
Above are merely preferred embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of locking switching mechanism for laparoscope puncture outfit casing seat, which is characterized in that the locking switching mechanism packet
It includes and locks upper cover, locking switch cap and locking lower cover, the outer wall of the locking switch cap, which is equipped with, is clamped closing piece, in the locking
The inner wall of lid is equipped with clamping locked groove, and the clamping closing piece correspondence is mounted in the clamping locked groove；The locking switch cap
Lower part 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 in the mortise lock slot.
2. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 1, which is characterized in that
The clamping closing piece includes lateral closing piece and vertical closing piece, and lateral locked groove and vertical locked groove are equipped in the locking upper cover, described
Lateral closing piece is mounted in lateral locked groove, and the vertical closing piece is mounted in vertical locked groove.
3. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 1, which is characterized in that
The mortise lock body is L shape arc plate, and the number of the L shape arc plate is two, and is evenly distributed on the lower part of locking switch cap.
4. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 3, which is characterized in that
The mortise lock slot includes grafting spin slot and grafting card slot, and the grafting spin slot is connected to grafting card slot.
5. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 4, which is characterized in that
The top of the grafting card slot is equipped with grafting snap-gauge.
6. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 2, which is characterized in that
The transverse direction closing piece and vertical closing piece interval are evenly distributed on the outer wall of locking switch cap.
7. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 2, which is characterized in that
The top of the vertical closing piece is cone cell.
8. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 1, which is characterized in that
The lower part of the locking lower cover is mounted on puncture cannula seat.
9. a kind of locking switching mechanism for laparoscope puncture outfit casing seat according to claim 1, which is characterized in that
After the locking switching mechanism installation, seamless setting between upper cover and locking lower cover is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334890.3U CN209220438U (en) | 2018-03-12 | 2018-03-12 | A kind of locking switching mechanism for laparoscope puncture outfit casing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334890.3U CN209220438U (en) | 2018-03-12 | 2018-03-12 | A kind of locking switching mechanism for laparoscope puncture outfit casing seat |
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| Publication Number | Publication Date |
|---|---|
| CN209220438U true CN209220438U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820334890.3U Active CN209220438U (en) | 2018-03-12 | 2018-03-12 | A kind of locking switching mechanism for laparoscope puncture outfit casing seat |
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| CN (1) | CN209220438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456181A (en) * | 2020-03-31 | 2021-10-01 | 宁波新跃医疗科技股份有限公司 | Casing puncture outfit |
-
2018
- 2018-03-12 CN CN201820334890.3U patent/CN209220438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456181A (en) * | 2020-03-31 | 2021-10-01 | 宁波新跃医疗科技股份有限公司 | Casing puncture outfit |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230619 Address after: Room 301, Building 7, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215163 Patentee after: Janiken (Suzhou) Medical Equipment Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Free Trade Test Zone (East Xinjiang Bonded Port Area) 399 Ordos Road East Xinjiang Business Center A3 Building 903 (Tianjin East Xinjiang Business Services Secretariat Service Co., Ltd. Trusteeship No. 255) Patentee before: PONUO (TIANJIN) INNOVATIVE MEDICINE RESEARCH Co.,Ltd. |
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| TR01 | Transfer of patent right |