CN109259826A - The puncture outfit of high leakproofness - Google Patents
The puncture outfit of high leakproofness Download PDFInfo
- Publication number
- CN109259826A CN109259826A CN201810948776.4A CN201810948776A CN109259826A CN 109259826 A CN109259826 A CN 109259826A CN 201810948776 A CN201810948776 A CN 201810948776A CN 109259826 A CN109259826 A CN 109259826A
- Authority
- CN
- China
- Prior art keywords
- silica gel
- valve
- elastic
- gel part
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims description 37
- 241001075561 Fioria Species 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 210000000683 abdominal cavity Anatomy 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000003187 abdominal effect Effects 0.000 description 3
- 238000007912 intraperitoneal administration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000009278 visceral effect Effects 0.000 description 2
- XKZGIJICHCVXFV-UHFFFAOYSA-N 2-ethylhexyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCC(CC)CCCC)OC1=CC=CC=C1 XKZGIJICHCVXFV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007928 intraperitoneal injection Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- 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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- 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
Abstract
The puncture outfit that the present invention discloses a kind of high leakproofness includes guide tube assemblies and body assembly and air valve set on guiding pipe fitting；Body assembly includes elastic sealing element, and elastic sealing element includes elastic seal seat and the circular hole sealing element set on elastic seal seat；The middle part of elastic seal seat has bending part；Circular hole sealing element includes taper silica gel part, and taper silica gel part is equipped with circular hole, circular hole face guide tube assemblies.Present invention is arranged by the bending part of elastic silica gel part, and elastic silica gel part is enabled to provide elastic auxiliary for taper silica gel part, and taper silica gel part generates deformation when special-shaped surgical instrument being avoided to pass through circular hole, causes Caton or gas leak phenomenon.
Description
Technical field
The present invention relates to consumption class the field of medical instrument technology, and in particular, to a kind of puncture outfit of high leakproofness.
Background technique
Puncture outfit is a kind of surgical instrument, pierces through stomach wall and as laparoscope or other surgical instrument channels, belongs to one
Kind Minimally Invasive Surgery instrument.Puncture outfit generally includes the guidance tube assembly for entering channel as other surgical instruments and through drawing
The stab knife of conduit tube component；During abdominal operation because it is normal it is intraperitoneal be not no space, be toward Peritoneal Infusions
Carbon dioxide gas separates stomach wall with abdominal visceral browser, forms a suitable operative space；Then, with scalpel in abdomen
Portion opens suitable position a skin incision, and stab knife penetrates skin and enters abdominal cavity, then press the bottom end of puncture outfit until
Puncture outfit enters abdominal cavity, takes out stab knife, and guidance tube assembly can be used as the service aisle of other surgery mechanicals, such as abdominal cavity
Mirror.Because of the diversity of surgical instrument shape, the guidance tube assembly as channel has to fully ensure that itself air-tightness, prevents
Gas leakage when surgical instrument insertion or taking-up, keeps intraperitoneal voltage-stabilizing system, while also to facilitate other surgical instruments suitable
Smooth inlet and outlet piping not Caton.In the prior art, such as application No. is the disposable punctures of CN201010193536.1 patent disclosure
Device, when surgical instrument enters guide wire, when special-shaped surgical instrument removes guiding tube, elastic seal cap is easy to produce deformation and causes card
Or gas leakage.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of puncture outfit of high leakproofness.
A kind of puncture outfit of high leakproofness disclosed by the invention includes guide tube assemblies and the master set on guide tube assemblies
Body component and air valve；Body assembly include main casing and be set to the intracorporal elastic sealing element of main casing；Main casing is set to guide wire
Component；Elastic sealing element includes elastic seal seat and circular hole sealing element；Elastic seal seat include inner seat ring, elastic silica gel part with
And outer annular shell；Elastic silica gel part is located on outside inner seat ring, and outer annular shell is located on outside elastic silica gel part, and the centre of elastic silica gel part
Position has bending part；Circular hole sealing element includes taper silica gel part and ring part；The top of taper silica gel part offers circular hole,
The top face guide tube assemblies of taper silica gel part；Ring part is located on the bottom end of taper silica gel part；In ring part is correspondingly arranged at
Ring seat.
According to an embodiment of the present invention, elastic sealing element further includes flabellum part；Flabellum part includes fan leaf and flabellum
Fixed part；The top of fan leaf is open with flabellum；Flabellum fixed part is located on the bottom end of fan leaf；Fan leaf is correspondingly arranged at bullet
Property silica gel part；Flabellum opening and circular hole face；Flabellum fixed part is connect with ring part.
According to an embodiment of the present invention, taper silica gel part is less than taper silica gel part far from circle close to the wall thickness of circular hole portion
The wall thickness of hole rest part.
According to an embodiment of the present invention, the wall thickness of elastic silica gel part is less than the wall thickness of taper silica gel part.
According to an embodiment of the present invention, guide tube assemblies include guiding pipe fitting and choke sealing element；Guide pipe fitting packet
Include conduit and the duct base set on conduit bottom end；Duct base is connected to conduit；Choke sealing element includes unidirectional air shuttle valve
And valve fixing seat；The bottom end of unidirectional air shuttle valve is set to valve fixing seat；Valve fixing seat is set in duct base, and unidirectional air shuttle valve
Top face conduit；The top of unidirectional air shuttle valve face conduit offers cross seal.
According to an embodiment of the present invention, the top of unidirectional air shuttle valve is plane, and cross seal is opened in unidirectional resistance
The top plan of air valve；The side wall of unidirectional air shuttle valve sets that there are four grooves；Four grooves along unidirectional air shuttle valve side wall periphery
Direction is arranged successively, and four grooves are opposite with four ends of cross seal respectively.
According to an embodiment of the present invention, each groove along bottom end to the unidirectional air shuttle valve top of unidirectional air shuttle valve side
To width and depth are gradually increased.
According to an embodiment of the present invention, the side wall of taper silica gel part is equipped with multiple reinforcing ribs；Multiple reinforcing ribs are along cone
The circumferencial direction of shape silica gel part circular cross section is sequentially arranged at intervals, and the both ends difference face circular hole and ring of each reinforcing rib
Shape portion.
According to an embodiment of the present invention, elastic sealing element further includes sealing fixture；Sealing fixture includes that sealing is solid
Determine upper cover, seal fixed lower cover and positioning ring；It seals fixed cover and is equipped with multiple card columns；Multiple cards are covered under sealing is fixed
Slot；Multiple card slots and multiple card columns correspond；Positioning ring is between ring part and flabellum fixed part；
Multiple card columns of sealing fixed cover sequentially pass through after flabellum fixed part, positioning ring, ring part and inner seat ring with
Seal multiple card slots clamping of fixed lower cover.
According to an embodiment of the present invention, valve fixing seat bottom end is equipped with valve card slot；
Valve fixing seat includes the fixed seat of honour of valve and the fixed lower seat of valve；The fixed seat of honour of valve is sheathed on outside valve fixing seat bottom end,
Its inner wall is equipped with chuck, and chuck is arranged in valve card slot；The outer wall at the fixed seat of honour of valve is equipped with the first rotary buckle；The fixed lower seat of valve
It is pressed on the outer wall of valve card slot, and is bonded with valve fixing seat inner wall；
One end of main casing face duct base is equipped with the second rotary buckle compatible with the first rotary buckle；Second rotation
Turn fastener to be interlocked with the first rotary buckle.
The puncture outfit of the high leakproofness of the application is arranged by the bending part of elastic silica gel part, enables the elastic silica gel part to be
Taper silica gel part provides elasticity auxiliary, and taper silica gel part generates deformation when special-shaped surgical instrument being avoided to pass through circular hole, causes Caton
Or gas leak phenomenon.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the puncture outfit structural schematic diagram of high leakproofness in the present embodiment；
Fig. 2 is the structural schematic diagram of stab knife in the present embodiment；
Fig. 3 is the puncture outfit explosion diagram of high leakproofness in the present embodiment；
Fig. 4 is guide tube assemblies structural schematic diagram in the present embodiment；
Fig. 5 is the puncture outfit cross-sectional view of high leakproofness in the present embodiment；
Fig. 6 is the portion the A structural schematic diagram of Fig. 5 in the present embodiment；
Fig. 7 is the structural schematic diagram of elastic seal seat in the present embodiment；
Fig. 8 is the cross-sectional view of elastic seal seat in the present embodiment；
Fig. 9 is the structural schematic diagram of circular hole sealing element in the present embodiment；
Figure 10 is the cross-sectional view of circular hole sealing element in the present embodiment.
Description of symbols:
1, guide tube assemblies；11, pipe fitting is guided；111, conduit；112, duct base；1121, air valve communicating pipe；12, it hinders
Seal；121, unidirectional air shuttle valve；1211, cross seal；1212, groove；1213, valve card slot；122, valve fixing seat；
1221, the fixed seat of honour of valve；12211, chuck；12212, the first rotary buckle；122121, turntable；122122, position is rotated；
122123, the first turn buckle；1222, the fixed lower seat of valve；2, body assembly；21, main casing；211, the second rotary buckle；2111,
Second turn buckle；212, through-hole；213, sealing ring；22, elastic sealing element；221, elastic seal seat；2211, inner seat ring；
22111, the first pilot hole；2212, elastic silica gel part；22121, bending part；2213, outer annular shell；222, circular hole sealing element；
2221, taper silica gel part；22211, circular hole；22212, reinforcing rib；2222, ring part；22221, the second pilot hole；223, flabellum
Part；2231, fan leaf；22311, flabellum is open；2232, flabellum fixed part；22321, third pilot hole；224, sealing is fixed
Part；2241, fixed cover is sealed；22411, card column；2242, fixed lower cover is sealed；22421, card slot；2243, positioning ring；
22431, the 4th pilot hole；23, the fixed lid of main body；231, the first annulated column；232, the second annulated column；3, air valve；4, stab knife.
Specific embodiment
Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
It is to be appreciated that the directional instruction such as up, down, left, right, before and after ... of institute is only used in the embodiment of the present invention
In explaining relative positional relationship, motion conditions etc. in the case where a certain particular pose is as shown in the picture between each component, if the spy
When determining posture and changing, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, not especially censure
The meaning of order or cis-position, also non-to limit the present invention, the component described just for the sake of difference with same technique term
Or operation, it is not understood to indicate or imply its relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.In addition, each
Technical solution between a embodiment can be combined with each other, but must can be implemented as base with those of ordinary skill in the art
Plinth will be understood that the combination of this technical solution is not present when conflicting or cannot achieve when occurs in the combination of technical solution,
Also not the present invention claims protection scope within.
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Referring to figs. 1 to Figure 10, Fig. 1 is the puncture outfit structural schematic diagram of high leakproofness in the present embodiment, and Fig. 2 is the present embodiment
The structural schematic diagram of middle stab knife, Fig. 3 are the puncture outfit explosion diagram of high leakproofness in the present embodiment, and Fig. 4 is in the present embodiment
Guide tube assemblies structural schematic diagram, Fig. 5 are the puncture outfit cross-sectional view of high leakproofness in the present embodiment, and Fig. 6 is Fig. 5 in the present embodiment
The portion A structural schematic diagram, Fig. 7 be the present embodiment in elastic seal seat structural schematic diagram, Fig. 8 be the present embodiment in elastic packing
The cross-sectional view of seat, Fig. 9 are the structural schematic diagram of circular hole sealing element in the present embodiment, and Figure 10 is circular hole sealing element in the present embodiment
Cross-sectional view.The puncture outfit of high leakproofness includes guide tube assemblies 1, body assembly 2, air valve 3 and stab knife 4 in the present embodiment.
Stab knife 4 has automatic type, visual type and the stab knife without blade type three types, through guide tube assemblies 1 and main body group
Part 2, for piercing through the skin of abdomen during operation, so that guide tube assemblies 1 are inserted into abdomen, then stab knife 4 is extracted out, guide wire
Surgical instrument service aisle when component 1 and the perforative channel of body assembly 2 are subsequent procedures.
Guide tube assemblies 1 include guiding pipe fitting 11 and choke sealing element 12.Guiding pipe fitting 11 includes conduit 111 and leads
Pedestal tube 112.Conduit 111 is passed through for stab knife 4 and surgical instrument；The top of conduit 111 has inclined surface, so that conduit
111 top is wedge shape, and the notch of skin is passed through convenient for conduit 111 when operation；The outer wall of conduit 111 has spiral lamination, conduit
111 behind the abdominal cavity for entering human body, and the spiral lamination of 111 outer wall of conduit can agree with the skin of skin incisions, avoid intraperitoneal
The gas in portion leaks from skin incisions abdominal cavity.Duct base 112 is set to 111 bottom end of conduit, the end of duct base 112
It is connect with the top of conduit 111, and the inside of duct base 112 is connected to the inside of conduit 111；Duct base 112 is equipped with one
Air valve communicating pipe 1121 it is vertical at the outer wall of duct base 112, and the inside with duct base 112 air valve communicating pipe 1121
Connection.Conduit 111 and duct base 112 can be integrally formed.Specifically, duct base 112 can be bowl bodies, goblet or cylinder
The shapes such as shape body.
Choke sealing element 12 is set in duct base 112 comprising unidirectional air shuttle valve 121 and valve fixing seat 122.Unidirectionally
Air shuttle valve 121 is tubular, such as cylinder, square tube etc., and the bottom surface of unidirectional air shuttle valve 121 is plane；The bottom of unidirectional air shuttle valve 121
The hollow position of face face conduit 111, and the bottom surface of unidirectional air shuttle valve 121 offers cross seal 1211, specifically, wearing
Bayonet 4 and surgical instrument pass through cross seal 1211 and enter conduit 111, in setting, cross seal 1211
Cross searching point is corresponding with cylindrical center's axis of conduit 111, and stab knife 4 and surgical instrument may make to can smoothly enter into and move back
Out.The side wall of unidirectional air shuttle valve 121 is set there are four groove 1212, four grooves 1212 along unidirectional 121 side wall of air shuttle valve week
Edge direction is arranged successively, and four grooves 1212 are opposite with four ends of cross seal 1211 respectively, in another implementation
In example, four grooves 1212 are opposite with 1,211 4 angles of cross seal respectively, and groove 1212 specifically can be arc groove；
The air pressure of abdominal cavity is entered in duct base 112 by conduit 111, and the gas pressure in duct base 112 is recessed in four
On slot 1212 and cross seal 1211 is squeezed, so that cross seal 1211 is tightly closed, so that gas will not pass through
Unidirectional 121 adverse current of air shuttle valve.In the present embodiment, each groove 1212 is along unidirectional 121 top opening of air shuttle valve to unidirectional choke
The direction of 121 bottom surface of valve, the width of groove 1212 are gradually increased, and the depth of groove 1212 is gradually deepened, specifically, gas surrounds
To the sidewall extrusion of unidirectional air shuttle valve 121 around unidirectional air shuttle valve 121,1212 width of groove is bigger and depth is deeper,
Its slot inner surface carrying gas it is also just also more, the gas pressure being subject to is also bigger, and four grooves 1212 by gas compared with
One end of big extruding force is centered around 1211 surrounding of cross seal respectively, so that the pressure that cross seal 1211 is subject to
It is just bigger, in this way, the leakproofness of cross seal 1211 is higher, further increase the leakproofness of unidirectional air shuttle valve 121.It is single
It is equipped with valve card slot 1213 to the open-topped periphery ring of air shuttle valve 121, valve card slot 1213 is perpendicular in unidirectional air shuttle valve 121
Mandrel line, and the notch of valve card slot 1213 is backwards to unidirectional air shuttle valve 121.
Valve fixing seat 122 includes the fixed seat of honour 1221 of valve and the fixed lower seat 1222 of valve.The fixed seat of honour 1221 of valve is approximation
Cricoid shell, the size and shape of inner wall are adapted with the open-topped size of unidirectional air shuttle valve 121 and shape.Valve
The fixed seat of honour 1221 is equipped with chuck 12211, the size and shape and valve card slot 1213 of chuck 12211 along the inner wall of itself
It is adapted, the correspondence of chuck 12211 is arranged in valve card slot 1213, so that the fixed seat of honour 1221 of valve is connected in unidirectional air shuttle valve 121
Opening.The outer wall at the fixed seat of honour 1221 of valve is equipped with the first rotary buckle 12212, and the first rotary buckle 12212 includes rotation
Platform 122121, rotation position 122122 and the first turn buckle 122123, specifically, turntable 122121 is by the fixed seat of honour 1221 of valve
Outer wall is step-like made of the inner wall direction recess towards the fixed seat of honour 1221 of valve, and the first turn buckle 122123 is set to turntable
The top of 122121 steps and the central axis that the seat of honour 1221 is fixed perpendicular to valve, the first turn buckle 122123 and turntable
Clamping space is formed between 122121 step, rotation position 122122 is set to the top of 122121 step of turntable, and is located at the
The side of one turn buckle 122123, rotation position 122122 is specially vacancy notch, i.e. 122121 step top of turntable is not provided with
The rest part of first turn buckle 122123, the quantity of the first rotary buckle 12212 in the present embodiment are two, two first
Rotary buckle 12212 is divided into the opposite two sides of fixed 1221 outer wall of the seat of honour of valve.The fixed lower seat 1222 of valve is annular shape, bottom end
It is pressed on the outer wall of valve card slot 1213, outer wall fits in turntable 122121.Chuck 12211, valve card slot 1213 and valve are solid
1222 three of seat is fixed to fix by ultrasonic bonding；The outer wall at the fixed seat of honour 1221 of valve and the inner wall of duct base 112 pass through
Ultrasonic fusing is fixed, so that guiding pipe fitting 11 and choke sealing element 12 form an entirety, and guarantees the gas of duct base 112
Body will not be flowed by the place except unidirectional air shuttle valve 121.
Body assembly 2 is set to 112 bottom end of duct base comprising main casing 21, elastic sealing element 22 and main body are fixed
Lid 23.Main casing 21 is approximately cup body shape, and the bottom surface of main casing 21 is plane；The size and shape of 21 bottom surface periphery of main casing with
The size and shape of 112 opening of duct base are adapted, and main casing 21 is correspondingly arranged in the opening of duct base 112, and
It is bonded therewith.The bottom surface of main casing 21 is equipped with the second rotary buckle 211, through-hole 212 and sealing ring 213；Second rotary buckle
211 include the second turn buckle 2111, and the second turn buckle 2111 is approximately hook solid, the size and shape of the second turn buckle 2111
Clamping space size and shape between 122121 step of the first turn buckle 122123 and turntable are adapted, and the second rotation
The volume for turning button 2111 is less than the volume of rotation position 122122, passes through rotation position 122122, this reality convenient for the second turn buckle 2111
Apply the second rotary buckle 211 in example quantity be two, two the second rotary buckles 211 respectively with two the first rotary buckles
12212 is corresponding.When main casing 21 and the fixed seat of honour 1221 of valve are assembled, the second turn buckle 2111 is introduced into rotation position 122122,
Then it rotates the second turn buckle 2111 and is allowed to be connected between the first turn buckle 122123 and the step of turntable 122121 and formed
Clamping space in complete rotation snapping.Through-hole 212 is opened in the intermediate position of the bottom surface of main casing 21, with unidirectional air shuttle valve
121 top opening faces, and the size of through-hole 212 is with shape and the open-topped size of unidirectional air shuttle valve 121 and shape phase
Adaptation；Sealing ring 213 is located in through-hole 212, and 21 glasss of plane perpendiculars of main casing, and the top of sealing ring 213 and unidirectional
The inner wall of 121 nozzle of air shuttle valve is bonded, and sealing ring 213 avoids the gas leak for entering main casing 21.
Elastic sealing element 22 is set in main casing 21 comprising elastic seal seat 221, circular hole sealing element 222, flabellum part
223 and sealing fixture 224；Elastic seal seat 221 includes inner seat ring 2211, elastic silica gel part 2212 and outer annular shell
2213；Inner seat ring 2211 is annular shape, offers multiple first pilot holes 22111 along the circumferencial direction of itself；Flexible silicon
Glue part 2212 is located on outside inner seat ring 2211, and position has bending part 22121, bending part among the ring of elastic silica gel part 2212
22121 are in U-shape, and the bending part 22121 in the present embodiment is continuous two, and two continuous bending parts 22121 form wave
Shape, outer annular shell 2213 are located on outside elastic silica gel part 2212, and elastic silica gel part 2212 is made of silica gel material, its own have compared with
High elasticity, in addition, the waveform setting of bending part 22121 also further increases the integral, flexible of elastic silica gel part 2212.
Circular hole sealing element 222 includes taper silica gel part 2221 and ring part 2222；Taper silica gel part 2221 is conical surface shape,
Its top offers circular hole 22211；Ring part 2222 is located on the bottom end of taper silica gel part 2221, and ring part 2222 is along itself
The direction of circumference offers multiple second pilot holes 22221；Multiple second pilot holes 22221 and multiple first pilot holes 22111
It corresponds；Taper silica gel part 2221 is made of silica gel material, and has biggish thickness, and elasticity is good, passes through in surgical instrument
When circular hole 22211, taper silica gel part 2221 can be coated closely outside surgical instrument, avoid gas leakage.Ring part 2222 is set to interior ring seat
On 2211, face, taper silica gel part 2221 offer multiple second pilot holes 22221 one by one with multiple first pilot holes 22111
The top face through-hole 212 of circular hole 22211.
Flabellum part 223 includes fan leaf 2231 and flabellum fixed part 2232；Fan leaf 2231 is conical surface shape, top tool
There is flabellum opening 22311；Flabellum fixed part 2232 is located on the bottom end of fan leaf 2231, flabellum fixed part 2232 along itself week
Edge direction opens up multiple third pilot holes 22321；Multiple third pilot holes 22321 and multiple first pilot holes 22,111 1 are a pair of
It answers；Fan leaf 2231 is correspondingly arranged in the conical surface of taper silica gel part 2221, flabellum opening 22311 and 22211 face of circular hole.Operation
When instrument passes through, fan leaf 2231 can play the role of guiding and protection taper silica gel part 2221, especially when more sharp hand
When art instrument will be by the circular hole 22211 of taper silica gel part 2221, the power of surgical instrument can be acted on fan leaf 2231, will not
Taper silica gel part 2221 is hurt, then under 2231 guiding role of fan leaf, can smoothly be passed through by flabellum opening 22311
Circular hole 22211, specifically, fan leaf 2231 can have the soft material with lubricating properties to be made, such as TPU material.Flabellum is solid
Portion 2232 is determined on the ring part 2222, multiple third pilot holes 22321 and multiple first pilot holes 22111 face one by one.
Sealing fixture 224 includes sealing fixed cover 2241, seals fixed lower cover 2242 and positioning ring 2243；Sealing
Fixed cover 2241 is equipped with multiple card columns 22411, and multiple card columns 22411 are corresponded with multiple first pilot holes 22111；Sealing
Fixed lower cover 2242 is equipped with multiple card slots 22421, and multiple card slots 22421 are corresponded with multiple card columns 22411；Positioning ring 2243
Between ring part 2222 and flabellum fixed part 2232, positioning ring 2243 offers multiple 4th assembly along itself direction
Hole 22431, multiple 4th pilot holes 22431 are corresponded with multiple first pilot holes 22111；Seal the more of fixed cover 2241
A card column 22411 sequentially passes through multiple 4th dresses of multiple third pilot holes 22321 of flabellum fixed part 2232, positioning ring 2243
After multiple first pilot holes 22111 of distribution 22431, the second pilot hole 22221 of ring part 2222 and inner seat ring 2211 with
Multiple card slots 22421 are clamped, so that flabellum part 223, circular hole sealing element 222 and elastic seal seat 221 connect, are being embodied
When, sealing fixed cover 2241, flabellum fixed part 2232, positioning ring 2243, ring part 2222 and inner seat ring 2211 can pass through
Ultrasonic fusing together so that flabellum part 223, circular hole sealing element 222 and elastic seal seat 221 formed one it is firm whole
Body.
The fixed lid 23 of main body is covered on main casing 21, and the one side of face main casing 21 has the first annulated column 231 and the
Two annulated columns 232,231 face of the first annulated column are caught in elastic silica gel part 2212 in the U-bend folding part 22121 in outside, the second ring
232 face of column is pressed on sealing fixed cover 2241, so can by the fixed lid 23 of main body further to elastic sealing element 22 into
Row is fixed.
Air valve 3 is set to the side wall of duct base 112 and is connected to the inside of duct base 112, specifically, air valve 3 passes through
Air valve communicating pipe 1121 is connected to duct base 112, and gas is by air valve 3 and enters in puncture outfit air valve communicating pipe 1121
Portion, air valve 3 controls to be connected to inside gas and puncture outfit, is discharged or is poured into convenient for the gas of abdominal cavity, gas concretely two
Carbon oxide gas.
Multiple reference Fig. 3-10, further, the side wall of taper silica gel part 2221 is equipped with multiple reinforcing ribs 22212；Multiple reinforcements
Muscle 22212 is sequentially arranged at intervals along the circumferencial direction of 2221 circular cross section of taper silica gel part, and each reinforcing rib 22212
Distinguish face circular hole 22211 and ring part 2222 in both ends.The setting of reinforcing rib 22212 further increases taper silica gel part
2221 act on the sealing force in surgical instrument, to guarantee sealing of the taper silica gel part 2221 when surgical instrument passes through
Property.Wall thickness of the taper silica gel part 2221 close to 22211 part of circular hole is less than taper silica gel part 2221 far from its remaining part of circular hole 22211
The wall thickness divided.Taper silica gel part 2221 is smaller close to 22211 wall thickness of circular hole, when can make surgical instrument by circular hole 22211 more
To be smooth, and it is smaller close to 22211 wall thickness of circular hole, and more air pressure can act on taper silica gel part 2221 close to circular hole 22211
Part, the squeezing action power when taper silica gel part 2221 at circular hole 22211 passes through surgical instrument increase instead, further
Increase the leakproofness of taper silica gel part 2221.The wall thickness of elastic silica gel part 2212 is less than the wall thickness of taper silica gel part 2221,
When by under external force, the deformation of elastic silica gel part 2212 can be greater than the deformation of taper silica gel part 2221, that is to say, that work as hand
When art instrument passes through taper silica gel part 2221, active force is generated in taper silica gel part 2221, so that taper silica gel part 2221
Surgical instrument movement is followed, but because the wall thickness of elastic silica gel part 2212 is relatively thin, the active force of mobile phone instrument can be transferred to elasticity
In silica gel part 2212, so that elastic silica gel part 2212 generates deformation, operation can be balanced out by the deformation of elastic silica gel part 2212
Most of active force when instrument passes through, the active force that taper silica gel part 2221 is subject to is small, then the 2221 deformation meeting of taper silica gel part
Reduce, die down, allows the smooth cone of surgical instrument by shape silica gel part 2221, not will cause Caton, deformation will not be generated
It causes to weaken the leakproofness of surgical instrument, and then generates gas leak phenomenon.In the specific implementation, the wall thickness of elastic silica gel part 2212
For shape silica gel part 2221 wall thickness a quarter to half, it is preferred that the wall thickness of elastic silica gel part 2212 is shape silica gel
The one third of the wall thickness of part 2221.
Specific operation in the present embodiment is as follows: when operation, first in intraperitoneal injection carbon dioxide gas, making stomach wall
It is separated with abdominal visceral browser, forms a suitable operative space；Then a skin is opened with the suitable position of scalpel abdomen
Notch, then puncture outfit is quickly inserted into incision, presses the bottom end of puncture outfit at this time, and stab knife 4 is inserted into along skin incision,
It drives conduit 111 to enter abdominal cavity, until the external screw thread of conduit 111 is bonded with skin incision, then takes out stab knife 4, reserve hand
The service aisle that art instrument passes through.After the taking-up of stab knife 4, the gas pressure in duct base 112 is on four grooves 1212
And cross seal 1211 is squeezed, so that cross seal 1211 is closed, the gas of abdominal cavity is avoided to leak outside.Surgical device
When tool is inserted into, first passes through flabellum opening 22311 and then pass through the circular hole 22211 of taper silica gel part 2221, at this time taper silica gel
Part 2221 is coated on outside surgical instrument, forms sealing state, and when surgical instrument passes through cross seal 1211, gas is logical
Unidirectional air shuttle valve 121 is crossed, is entered inside puncture outfit, but gas will not leak under the sealing of taper silica gel part 2221, by boring
Shape silica gel part 2221 is used as sealing element；So an envelope can be formed by unidirectional air shuttle valve 121 and taper silica gel part 2221
The baric systerm closed avoids leaking for gas in entire surgical procedure.When surgical instrument extraction, successively pass through cross
Shape seal 1211 and taper silica gel part 2221, similarly, the cross of taper silica gel part 2221 and unidirectional air shuttle valve 121 are close
The sealing system of 1211 composition puncture outfit of sealing, whole process will not gas leakage.Relative to disclosed in CN201010193536.1 one
Font hatch frame, opening of the cross seal 1211 when surgical instrument passes through is small, and leakproofness is stronger, and is easier to beat
It opens, even with the surgical instrument of hook-shape structure is also easy to that Caton phenomenon will not be caused by cross seal 1211,
Moreover, the bending part 22121 of elastic silica gel part 2212 makes the activity of taper silica gel part 2221 more smoothly, special-shaped operation is avoided
Instrument causes the Caton and deformation of taper silica gel part 2221 when passing through the circular hole 22211 of taper silica gel part 2221, and then goes out
Existing gas leakage hidden danger.
To sum up, the puncture outfit of the high leakproofness in the present embodiment by the cross seal 1211 of unidirectional air shuttle valve 121,
Wall thickness of the reinforcing rib 22212 and taper silica gel part 2221 of taper silica gel part 2221 close to 22211 part of circular hole is less than taper
The setting of wall thickness of the silica gel part 2221 far from 22211 rest part of circular hole, increases puncture outfit leakproofness；Pass through elastic silica gel part
The bending part 22121 at 2212 intermediate positions and the wall thickness of elastic silica gel part 2212 are less than setting for the wall thickness of taper silica gel part 2221
It sets, elastic silica gel part 2212 can be used as the elastic auxiliary member of taper silica gel part 2221, so that special-shaped surgical instrument passes through puncture outfit
When be not in Caton or gas leak phenomenon；The protection formed by fan leaf 2231 to taper silica gel part 2221, avoids taper
The risk that silica gel part 2221 is punctured ensure that the leakproofness of puncture outfit.
Upper is only embodiments of the present invention, is not intended to restrict the invention.To those skilled in the art,
The invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention, equivalent replacement,
Improve etc., it should all be included within scope of the presently claimed invention.
Claims (10)
1. a kind of puncture outfit of high leakproofness, including guide tube assemblies (1) and set on the main body group of the guide tube assemblies (1)
Part (2) and air valve (3), it is characterised in that:
The body assembly (2) includes main casing (21) and the elastic sealing element (22) in the main casing (21)；Institute
Main casing (21) are stated set on the guide tube assemblies (1)；The elastic sealing element (22) includes elastic seal seat (221) and circle
Hole sealing element (222)；The elastic seal seat (221) includes inner seat ring (2211), elastic silica gel part (2212) and outer annular shell
(2213)；The elastic silica gel part (2212) is located on the inner seat ring (2211) outside, and the outer annular shell (2213) is located on institute
State elastic silica gel part (2212) outside, and the intermediate position of the elastic silica gel part (2212) has bending part (22121)；The circle
Hole sealing element (222) includes taper silica gel part (2221) and ring part (2222)；The top of the taper silica gel part (2221)
It offers circular hole (22211), guide tube assemblies (1) described in the top face of the taper silica gel part (2221)；The ring part
(2222) it is located on the bottom end of the taper silica gel part (2221)；The ring part (2222) is correspondingly arranged at the interior ring seat
(2211)。
2. the puncture outfit of high leakproofness according to claim 1, which is characterized in that the elastic sealing element (22) further includes
Flabellum part (223)；The flabellum part (223) includes fan leaf (2231) and flabellum fixed part (2232)；The flabellum
The top of piece (2231) has flabellum opening (22311)；The flabellum fixed part (2232) is located on the fan leaf (2231)
Bottom end；The fan leaf (2231) is correspondingly arranged at the elastic silica gel part (2212)；Flabellum opening (22311) with it is described
Circular hole (22211) face；The flabellum fixed part (2232) connect with the ring part (2222).
3. the puncture outfit of high leakproofness according to claim 1, which is characterized in that the taper silica gel part (2221) is close
The wall thickness of circular hole (22211) part is less than the taper silica gel part (2221) far from the circular hole (22211) rest part
Wall thickness.
4. the puncture outfit of high leakproofness according to claim 3, which is characterized in that the wall of the elastic silica gel part (2212)
Thickness is less than the wall thickness of the taper silica gel part (2221).
5. the puncture outfit of high leakproofness according to claim 1, which is characterized in that the guide tube assemblies (1) include leading
Skirt part (11) and choke sealing element (12)；The guiding pipe fitting (11) include conduit (111) and be set to the conduit
(111) duct base (112) of bottom end；The duct base (112) is connected to the conduit (111)；The choke sealing element
It (12) include unidirectional air shuttle valve (121) and valve fixing seat (122)；The bottom end of the unidirectional air shuttle valve (121) is set to the valve
Fixing seat (122)；The valve fixing seat (122) is set in the duct base (112), and the unidirectional air shuttle valve (121)
Conduit described in the face of top (111)；The top of conduit (111) described in unidirectional air shuttle valve (121) face offers cross
Seal (1211).
6. the puncture outfit of high leakproofness according to claim 5, which is characterized in that the top of the unidirectional air shuttle valve (121)
End is plane, and the cross seal (1211) is opened in the top plan of the unidirectional air shuttle valve (121)；The unidirectional resistance
The side wall of air valve (121) is set there are four groove (1212)；Four grooves (1212) are along unidirectional air shuttle valve (121) side
The peripheral direction of wall is arranged successively, and four grooves (1212) are held with four of the cross seal (1211) respectively
Portion is opposite.
7. the puncture outfit of high leakproofness according to claim 6, which is characterized in that each groove (1212) is along institute
The bottom end of unidirectional air shuttle valve (121) is stated to the direction on unidirectional air shuttle valve (121) top, width and depth gradually increase
Greatly.
8. the puncture outfit of high leakproofness according to claim 1, which is characterized in that the side of the taper silica gel part (2221)
Wall is equipped with multiple reinforcing ribs (22212)；Multiple reinforcing ribs (22212) are along taper silica gel part (2221) rounded cross section
The circumferencial direction in face is sequentially arranged at intervals, and circular hole (22211) described in the both ends difference face of each reinforcing rib (22212)
And ring part (2222).
9. the puncture outfit of high leakproofness according to claim 2, which is characterized in that the elastic sealing element (22) further includes
Sealing fixture (224)；The sealing fixture (224) includes sealing fixed cover (2241), seals fixed lower cover (2242)
And positioning ring (2243)；The sealing fixed cover (2241) is equipped with multiple card columns (22411)；The fixed lower cover of the sealing
(2242) multiple card slots (22421) are equipped with；Multiple card slots (22421) and multiple card columns (22411) correspond；Institute
Positioning ring (2243) are stated between the ring part (2222) and flabellum fixed part (2232)；
Multiple card columns (22411) of sealing fixed cover (2241) sequentially pass through the flabellum fixed part (2232), positioning
Ring (2243), ring part (2222) and inner seat ring (2211) fix multiple card slots of lower cover (2242) with the sealing afterwards
(22421) it is clamped.
10. the puncture outfit of high leakproofness according to claim 5, which is characterized in that valve fixing seat (122) bottom end ring
Equipped with valve card slot (1213)；
The valve fixing seat (122) includes that the valve fixed seat of honour (1221) and valve are fixed lower seat (1222)；The fixed seat of honour of the valve
(1221) it is sheathed on outside valve fixing seat (122) bottom end, inner wall is equipped with chuck (12211), and chuck (12211) card is set
In the valve card slot (1213)；The outer wall of the valve fixed seat of honour (1221) is equipped with the first rotary buckle (12212)；The valve
Fixed lower seat (1222) are pressed on the outer wall of the valve card slot (1213), and are bonded with valve fixing seat (122) inner wall；
One end of duct base (112) described in main casing (21) face is equipped with and the first rotary buckle (12212) phase
The second rotary buckle (211) of adaptation；Second rotary buckle (211) is interlocked with first rotary buckle (12212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948776.4A CN109259826B (en) | 2018-08-20 | 2018-08-20 | Puncture outfit with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948776.4A CN109259826B (en) | 2018-08-20 | 2018-08-20 | Puncture outfit with high sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109259826A true CN109259826A (en) | 2019-01-25 |
| CN109259826B CN109259826B (en) | 2024-03-29 |
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ID=65153699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810948776.4A Active CN109259826B (en) | 2018-08-20 | 2018-08-20 | Puncture outfit with high sealing performance |
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| Country | Link |
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| CN (1) | CN109259826B (en) |
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| CN110495934A (en) * | 2019-09-20 | 2019-11-26 | 常州健瑞宝医疗器械有限公司 | Flake valve, puncture seal component and puncture outfit |
| CN111000621A (en) * | 2019-12-09 | 2020-04-14 | 天津瑞奇外科器械股份有限公司 | Sealing structure, puncture cannula and medical puncture outfit |
| CN111658086A (en) * | 2020-06-19 | 2020-09-15 | 中国科学院沈阳自动化研究所 | Multi-channel puncture outfit for endoscopic surgery |
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| CN111658086A (en) * | 2020-06-19 | 2020-09-15 | 中国科学院沈阳自动化研究所 | Multi-channel puncture outfit for endoscopic surgery |
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| Publication number | Publication date |
|---|---|
| CN109259826B (en) | 2024-03-29 |
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