CN107115136A - A kind of abdominal cavity puncture outfit - Google Patents
A kind of abdominal cavity puncture outfit Download PDFInfo
- Publication number
- CN107115136A CN107115136A CN201710438511.5A CN201710438511A CN107115136A CN 107115136 A CN107115136 A CN 107115136A CN 201710438511 A CN201710438511 A CN 201710438511A CN 107115136 A CN107115136 A CN 107115136A
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- Prior art keywords
- valve
- sheath
- wall
- abdominal cavity
- puncture outfit
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- 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
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
Abstract
The invention discloses a kind of abdominal cavity puncture outfit, belong to medical instruments field.A kind of abdominal cavity puncture outfit of the present invention, including the puncture needle component that can be fitted together successively, sealing valve module and sheath tube assembly, described puncture needle component includes puncturing core bar and located at the puncturing head for puncturing core bar one end, described sealing valve module includes the air shuttle valve in valve body, described sheath tube assembly includes sheath, the sheath base located at sheath one end and takes thing valve in sheath base, described air shuttle valve includes valve wall in one horn-like structure of the center provided with opening, and the gradient of described valve wall is gradually reduced from valve wall central opening to valve wall periphery.The present invention by being improved to existing puncture outfit, puncture outfit is had that good airproof performance, puncture force are strong, take object space just, compact conformation, it is easy to make, using it is flexibly convenient the features such as.
Description
Technical field
The present invention relates to a kind of medical puncturing apparatus, more specifically to a kind of excellent abdominal cavity puncture outfit of air-tightness.
Background technology
Abdominal cavity puncture outfit is the operating theater instruments commonly used during abdominocentesis is performed the operation, and is mainly used in laparoscopic surgery setting up people
Work pneumoperitoneum and instrument channel.In laparoscopic surgery, artificial pneumoperitoneum is the key of successful surgery, needs first to set up people before surgery
Work pneumoperitoneum, so that peritoneal wall is separated with internal organs, in order to operation technique.Existing abdominal cavity puncture outfit is main by puncture needle, sealing
Valve and puncture sheath three part composition, when in use, typically first by puncture needle, sealing valve and the combination of puncture sheath three part one
Rise, will puncture sheath using puncture needle is punctured to intraperitoneal from human body skin, and sets up people by the gas injection valve punctured in sheath
Work pneumoperitoneum；After puncture needle is taken out, operation path is constituted by sealing valve and puncture sheath two parts, operating theater instruments is passed through into sealing
Valve and puncture sheath insertion and intraperitoneal can carry out laparoscopic surgery.In surgical procedure, operating theater instruments is matched somebody with somebody with sealing valve sealing
Close, it is ensured that pneumoperitoneum will not gas leakage and influence operation technique, need take out lesion tissue when, by sealing valve from puncture sheath on
Remove, take thing valve to realize sealing in sheath using puncturing, passed through using apparatuses such as biopsy forceps and take thing valve to realize that lesion tissue takes
Go out.
For seal valve structure, in China Patent No. ZL200510062967.3, authorized announcement date is June 17 in 2009
Day, invention and created name is：In the application case of the trocar seal of improvement, a kind of sealing valve knot of abdominal cavity puncture outfit is described
Structure, its seal assembly includes the first sufficiently rigid ring, the second sufficiently rigid ring, and is compressed in some between two rings
Layer elastomeric elements, if dried layer elastomeric elements interweave with forming conical seal, if dried layer elastomeric elements are preferably provided with half
Circular profile, and it is preferably provided with the circumference of about 180 to 270 degree；In addition, being additionally provided with above-mentioned conical seal top
The protection component of similar structures.Using this structure conical seal abdominal cavity puncture outfit on the market it is non-usually
See, and have a better effect：For example, the seal eliminates " circumference stress " problem, by the way that seal is broken into
Some, greatly reduces the strain in system during apparatus is inserted, effectively reduces apparatus insertion and the resistance extracted out, more
Plus facilitate apparatus to be penetrated through seal.But the seal of said structure has the following disadvantages：
1) seal is constituted using multi-segment structure, and processing and assembling to seal bring difficulty, adds seal
Cost of manufacture；
2) because seal uses multi-segment structure, it is difficult to be fully sealed when seal coordinates with apparatus side wall, it is close
The sealing property of sealing has declined.
In addition, for lippacking, also there is related improved technology to disclose, such as China Patent No.
ZL201320161408.8, authorized announcement date is on December 25th, 2013, and invention and created name is：Multi-stage sealed medical thrust
A kind of non-resistance sealing ring is described in device, this application case, the center of the non-resistance sealing ring is a through hole, and it includes umbrella shape core
Disk, whole non-resistance sealing ring is an one-time formed overall structure, and umbrella shape core disk is located at the centre of non-resistance sealing ring, should
Umbrella shape core disk is a projective structure, and it is made up of the core disk elastic membrane that umbrella is uniformly distributed into several.Used in this application case
The non-resistance sealing ring of special construction and shape, apparatus left and right in puncture is ensure that using the film on non-resistance sealing ring periphery
Non-resistance is moved, air tight when ensureing that apparatus is moved forward and backward in puncture using core disk elastic membrane.But above-mentioned non-resistance sealing
Still there is larger defect in circle：The non-resistance sealing ring substantially belongs to a kind of lippacking, and its central through hole is ensureing close
Apparatus, which is inserted, and extracted out while envelope property has larger resistance, when apparatus is extracted out, the umbrella shape core disk pole of non-resistance sealing ring
Easily extract out and turn up with apparatus, so as to influence apparatus again insertable into and after being turned on sealing ring, making the shape that sealing ring is original
Change ability declines, and centre bore diminishes, and the corner angle for being easily sewn the apparatuses such as nail, haemostatic clamp are hooked, and influence operation is normally carried out；And
And, due to the non-resistance sealing ring with apparatus extract out and frequently on turn over, be easily caused sealing ring cracking failure, add choke leaf
Gas leakage risk.
For taking thing valve arrangement, in China Patent No. ZL200410092185.X, authorized announcement date is on April 2nd, 2008,
Invention and created name is：In the application case of multi-angled duckbill seal assembly, describe a kind of abdominal cavity puncture outfit takes thing valve arrangement,
The duckbill seal assembly includes the first and second seals extended from annular flange part, the first and second seals
End is intersecting to limit composition surface, to allow wherein to form instrument channel, when apparatus is not present, and composition surface passes through first and the
The elastic force of two seals and close.U.S. Patent application is also can be found on being discussed in detail for above-mentioned duckbill seal assembly
US20090005799A1.This structure takes the thing valve to have preferable sealing effectiveness, but there is also certain defect, major embodiment
Duckbill seal assembly the first and second seals to open scope smaller, therefore exist for surgery excision tissue larger
Interference, causes operating difficulty and operating time to increase, adds operation risk.
The above mentioned problem existed for existing abdominal cavity puncture outfit, needs that a sealing effectiveness of design is good, make simple, operation badly
Convenient abdominal cavity puncture outfit, to overcome many defects that existing product is present.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to the drawbacks described above for overcoming existing abdominal cavity puncture outfit presence, there is provided a kind of air-tightness is excellent
Abdominal cavity puncture outfit, using technical scheme, by being improved to gas-blocking valve structure, not only makes the sealing of air shuttle valve
More preferably, and the deformability in sealing valve resistance centre normal direction can be significantly improved, make air shuttle valve be difficult to turn over, drop significantly
The low gas leakage risk of air shuttle valve；And apparatus is when being inserted or pulled out air shuttle valve, air shuttle valve is small to the resistance of apparatus, and tool
There is a range of universal rolling function, more facilitate operation technique；Have that puncture force is strong simultaneously, take object space just, structure it is tight
Gather, it is easy to make, using it is flexible the features such as.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
The present invention a kind of abdominal cavity puncture outfit, including can fit together successively puncture needle component, sealing valve module
With sheath tube assembly, described puncture needle component includes puncturing core bar and located at the puncturing head for puncturing core bar one end, described sealing
Valve module includes the air shuttle valve in valve body, and described sheath tube assembly includes sheath, the sheath base located at sheath one end and set
In taking thing valve in sheath base, described air shuttle valve includes valve wall in one horn-like structure of the center provided with opening, described
The gradient of valve wall be gradually reduced from valve wall central opening to valve wall periphery.
Further, the gauffer that some Tiao Youfabi centers are extended to periphery, institute are evenly distributed with described valve wall
The gauffer the stated groove structure corresponding with above-mentioned convex tendon location and shape by the convex tendon on the inside of valve wall and on the outside of valve wall
Into；Sealing lip at described valve wall central opening has on horn-like Eversible structure, and the horn-like Eversible structure of sealing lip
It is evenly distributed with some small convex ribs extended along sealing lip central axis.
Further, the valve body of described sealing valve module includes upper lid and lower cover, described air shuttle valve by located at
The periphery of the elastic shirt rim of the waveform on valve wall periphery is clamped between upper lid and lower cover.
Further, it is additionally provided with and is covered in by what some protection leaves were interwoven in valve wall on the inside of described air shuttle valve
The taper protection device of side, the periphery of described protection device is clamped by A valve collars and B valve collars, and is installed on by valve wall top
In the cavity volume surrounded with elastic shirt rim.
Further, it is additionally provided with the outside of described air shuttle valve and is located on the outside of valve wall and center there is the activity of opening
Cover, the lateral surface of described movable guard is sphere, and the lower through-hole inwall of described lower cover can be with sphere phase on the outside of movable guard
Coordinate, so that movable guard can do relative rolling motion on lower lid.
Further, lance wall of the described puncturing head provided with two arcs, two lance walls are from puncturing back of head forward
Portion is gradually reduced to form tip, and two lance walls are crossed to form side edge in both sides.
Further, described puncture needle component is also included located at the core bar for puncturing remote puncturing head one end on core bar
Seat, described puncture core bar inner hollow, the top of described core rod seat is provided with puncturing the instrument channel mouthful that core bar is communicated, and
Core rod seat, which is provided with the apparatus for being used for fixing apparatus and fixes to be additionally provided with lock, described core rod seat, to be used to connect with sealing valve module
What is connect or separate takes pin buckle.
Further, being located on described core rod seat takes the periphery of pin buckle to be additionally provided with reinforcement convex tendon.
Further, thing valve is taken to use three-clove style structure in described sheath tube assembly.
Further, the gas injection valve of connection sheath, described sheath are additionally provided with the sheath base of described sheath tube assembly
The both sides of seat are additionally provided with the operating handle for being easy to grip, and described operating handle is provided with the threading hole for being easy to line to fix.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of abdominal cavity puncture outfit of the invention, it includes puncture needle component, the sealing valve that can be fitted together successively
Component and sheath tube assembly, sealing valve module include the air shuttle valve in the valve body, and it provided with opening is in one that air shuttle valve, which includes center,
The valve wall of the horn-like structure of body, the gradient of valve wall is gradually reduced from valve wall central opening to valve wall periphery, by air shuttle valve knot
Structure is improved, and not only makes the sealing property of air shuttle valve more preferable, and significantly improves sealing valve resistance centre normal direction
Deformability, makes air shuttle valve be difficult to turn over, and greatly reduces the gas leakage risk of air shuttle valve；And due to effectively prevent air shuttle valve
Turn up, therefore reduce operating theater instruments angular structures and scratch air shuttle valve back, it is to avoid air shuttle valve cracking failure, it is ensured that abdominal cavity
The sealing property of puncture outfit；
(2) on a kind of abdominal cavity puncture outfit of the invention, its valve wall some Tiao Youfabi centers are evenly distributed with to periphery to prolong
The gauffer of exhibition, recessed corresponding with above-mentioned convex tendon location and shape by the convex tendon on the inside of valve wall and on the outside of the valve wall of gauffer
Groove constitute, frequently by frictional force, extruding force and tensile force in the case of, can effectively reduce the deformation amplitude of air shuttle valve；And
And convex tendon can effectively reduce the contact surface of air shuttle valve and apparatus, so as to reduce the frictional force that apparatus is passed through, resistance is also reduced
The frictional force of air valve and the protection leaf on top, it is ensured that flexible movements between valve module are sealed during use, obstruction is reduced
Sense；The supplement while folded structure can afford ample material in air shuttle valve internal diameter deformation process, effectively reduces air shuttle valve
Damaged risk；
(3) sealing lip at a kind of abdominal cavity puncture outfit of the invention, its valve wall central opening has horn-like Eversible structure,
And be evenly distributed with the horn-like Eversible structure of sealing lip in some small convex ribs extended along sealing lip central axis, valve wall
The horn-like Eversible structure of heart opening connects with the overall flared structure direction of air shuttle valve on the contrary, effectively reducing sealing lip with apparatus
Contacting surface normal pressure, and designed by small convex rib, the contact between sealing lip and apparatus is further reduced when apparatus is extracted out
Area, reduces the frictional resistance of apparatus extraction, further reduces the possibility of turning up of air shuttle valve；
(4) a kind of abdominal cavity puncture outfit of the invention, its valve body for sealing valve module includes upper lid and lower cover, and air shuttle valve passes through
Periphery located at the elastic shirt rim of waveform on valve wall periphery is clamped between upper lid and lower cover, makes resistance using the elastic shirt rim of waveform
Air valve has certain axial movement space, while coordinating the movable guard on the outside of air shuttle valve, utilizes the bottom of movable guard and lower cover
The rolling of through-hole wall coordinates, and air shuttle valve is had Universal rotary function in sealing valve module, is easy to apparatus flexibly to grasp
Make；And the rigid constraint of all directions of the air shuttle valve in the range of use is zero, extraordinary operation is provided for operator
Property, it is to avoid like product occur because breaking through air shuttle valve seal failure caused by product limitation the problem of；
(5) a kind of abdominal cavity puncture outfit of the invention, lance wall of the puncturing head provided with two arcs of its puncture needle component, two
Individual lance wall is anteriorly gradually reduced to form tip from back of head is punctured, and two lance walls are crossed to form side edge in both sides, forms " lance
Head " formula structure, resistance is reduced when advancing in favor of lancing motion, is effectively reduced and is acted on the reaction force on puncturing head when puncturing
Normal pressure, forward is sharp keen, and penetration power is strong；
(6) a kind of abdominal cavity puncture outfit of the invention, its puncture needle component is also included on puncture core bar away from puncturing head
The core rod seat of one end, punctures core bar inner hollow, and the top of core rod seat is provided with puncturing the instrument channel mouthful that core bar is communicated, and core
The apparatus that pole socket is provided with for fixing apparatus, which is fixed, to be additionally provided with lock, core rod seat for connecting or separating with sealing valve module
Take pin buckle, can easily place shooting instrument, with reference to the shape of puncturing head rule, easily facilitate clear by shooting instrument
Clear ground tissues observed, so as to effectively protect organ-tissue；
(7) being located on a kind of abdominal cavity puncture outfit of the invention, its core rod seat takes the periphery of pin buckle to be additionally provided with reinforcement convex tendon,
The operator centre of the palm is grasped when the structure of core rod seat easily facilitates puncture, increases the convenience of operation, reduces puncture risks；Add simultaneously
Strong convex tendon add puncture needle component circumference is anti-skidding and structural strength, it is to avoid there is shell when taking out puncture needle in operation and break
Broken the problem of；
(8) thing valve is taken to use three-clove style structure in a kind of abdominal cavity puncture outfit of the invention, its sheath tube assembly, compared to duckbilled
Formula is taken for thing valve, takes the radial passage of thing valve further to be increased, and is improved the convenience for taking out resection organization, is reduced
The difficulty of operation and time, reduce operation risk；
(9) the gas injection valve of connection sheath is additionally provided with a kind of abdominal cavity puncture outfit of the invention, the sheath base of its sheath tube assembly,
It is convenient for pneumoperitoneum operation；The both sides of sheath base are additionally provided with the operating handle for being easy to grip, and operating handle, which is provided with, is easy to line
Fixed threading hole, is easy to operator's holding operation, and in order to adapt to different operation needs, seam can be used by being provided for operator
The rigid condition of sheath and patient skin surface is improved simple operation by the method for line.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of abdominal cavity puncture outfit of the present invention；
Fig. 2 is a kind of fractionation structural representation of abdominal cavity puncture outfit of the present invention；
Fig. 3 is a kind of cross section structure diagram of abdominal cavity puncture outfit of the present invention；
Fig. 4 for the present invention in puncture needle component structural representation；
Fig. 5 for the present invention in puncturing head structural representation；
Fig. 6 is the structural representation for sealing valve module in the present invention；
Fig. 7 is the configuration schematic diagram for sealing valve module in the present invention；
Fig. 8 is the cross section structure diagram for sealing valve module in the present invention；
Fig. 9 for the present invention in air shuttle valve an angle structural representation；
Figure 10 for the present invention in air shuttle valve another angle structural representation；
Figure 11 for the present invention in air shuttle valve cross section structure diagram；
Figure 12 is the movable guard and the attachment structure schematic diagram of air shuttle valve in the present invention；
Figure 13 for the present invention in sheath tube assembly structural representation；
Figure 14 for the present invention in sheath tube assembly cross section structure diagram；
Figure 15 for the present invention in an angle for taking thing valve structural representation；
Figure 16 for the present invention in another angle for taking thing valve structural representation.
Label declaration in schematic diagram：
1st, puncture needle component；1-1, puncture core bar；1-2, puncturing head；1-2-1, lance wall；1-2-2, side edge；1-2-3, point
End；1-3, core rod seat；1-4, instrument channel mouthful；1-5, apparatus fix lock；1-6, take pin buckle；1-7, reinforcement convex tendon；
2nd, valve module is sealed；2-1, upper lid；2-1-1, concave inward structure；2-2, lower cover；2-2-1, rolling surface；2-3, choke
Valve；2-3-1, valve wall；2-3-2, elastic shirt rim；2-3-3, opening；2-3-4, gauffer；2-3-5, cavity volume；2-3-6, connecting hole；2-
3-7, sealing lip；2-3-8, small convex rib；2-3-9, locating ring；2-4, protection leaf；2-5, movable guard；2-6, A valve collar；2-7, B valve
Ring；
3rd, sheath tube assembly；3-1, sheath；3-2, sheath base；3-2-1, operating handle；3-2-2, threading hole；3-3, take thing
Valve；3-3-1, flap；3-3-2, valve port；3-3-3, installation side；3-3-4, inwall reinforcement；3-3-5, outer wall reinforcement；3-3-
6th, locating piece；3-4, gas injection valve；3-5, anti-slip veins；3-6, pressure ring.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of abdominal cavity puncture outfit of the present embodiment, including can fit together successively
Puncture needle component 1, sealing valve module 2 and sheath tube assembly 3, puncture needle component 1, sealing valve module 2 and the three of sheath tube assembly 3
Connecting assembling structure is similar with existing puncture outfit structure, and such as puncture needle component 1 and sealing valve module 2 can use buckle structure
Connection, sealing valve module 2 and sheath tube assembly 3 can be using rotation snap-in structure connections.In puncture outfit in use, first wearing abdominal cavity
Thorn device is assembled into state shown in Fig. 1, i.e. after assembling sealing valve module 2 and sheath tube assembly 3, then puncture needle component 1 is worn successively
Sealing valve module 2 and sheath tube assembly 3 are crossed, sheath tube assembly 3 is inserted into tissue under the guiding of puncture needle component 1, pneumoperitoneum is set up；
Then puncture needle component 1 is extracted out, now takes thing valve 3-3 to realize sealing by sheath tube assembly 3, operating theater instruments is utilized afterwards
It is operated through sealing valve module 2 and sheath tube assembly 3, now by the air shuttle valve 2-3 and apparatus in sealing valve module 2
Side wall formation sealing；When needing to take out the tissue of surgery excision, now sealing valve module 2 is removed, the devices such as biopsy forceps are utilized
Tool passes through the taking-up for taking thing valve 3-3 to realize resection organization.
Wherein, as shown in Figure 3 and Figure 4, puncture needle component 1 includes puncturing core bar 1-1 and located at puncture core bar 1-1 one end
Puncturing head 1-2, punctures that header structure is different from existing cone, and puncturing head 1-2 in the present embodiment is provided with two arcs
Lance wall 1-2-1 (as shown in Figure 5), two lance wall 1-2-1 are anteriorly gradually reduced to form sophisticated 1-2-3 from puncturing head 1-2 rear portions,
Two lance wall 1-2-1 are crossed to form side edge 1-2-2 in both sides.Puncturing head 1-2 in the present embodiment is similar to " spearhead " formula structure,
Both sides are launched into the lance leaf with sword, and are gathered into sharp keen sharp cutting edge of a knife or a sword forward, make whole puncturing head 1-2 streamlined or flat-sided shape knot
Structure, resistance is reduced when advancing in favor of lancing motion, effectively reduces the normal direction of the reaction force acted on when puncturing on puncturing head
Pressure, forward is sharp keen, and penetration power is strong.In addition, puncture needle component 1 is also included on puncture core bar 1-1 away from puncturing head 1-2 mono-
The core rod seat 1-3 at end, punctures core bar 1-1 inner hollows, and core rod seat 1-3 top is provided with puncturing the apparatus that core bar 1-1 is communicated
Passway 1-4, and core rod seat 1-3 is provided with the apparatus for being used for fixing apparatus and fixes lock 1-5, is additionally provided with use on core rod seat 1-3
In with sealing valve module 2 connect or separate take pin buckle 1-6.In the present embodiment, 5~60 ° are provided with instrument channel mouthful 1-4
Gradient is preferably, optimal with 15~45 ° of gradients, in order to which apparatus is imported；Core rod seat 1-3 tops are mellow and full, operator when being easy to puncture
The centre of the palm is grasped, and increases the convenience of operation, reduces puncture risks.Worn in use, shooting instrument is stretched into from instrument channel mouthful 1-4
Pierce in core bar 1-1, after the instrument of shooting reaches setting position, fix lock 1-5 using apparatus and fixed tool location is imaged, energy
It is enough easily to place shooting instrument, with reference to the shape of puncturing head 1-2 rules, easily facilitate by shooting instrument clearly observation group
Knit, so that effective armour tissue when puncturing；Take pin buckle 1-6 can be by puncture needle component 1 from sealing valve by pressing
Removed on component 2.It should be appreciated that when needing to coordinate puncture using shooting instrument, puncturing head 1-2 is transparent material.In addition, being
The problem of preventing from shell breakage occur when taking out puncture needle in operation, is located at the periphery for taking pin buckle 1-6 on core rod seat 1-3
Be additionally provided with reinforcement convex tendon 1-7, add puncture needle component 1 circumference is anti-skidding and structural strength, while the core rod seat 1-3 also made
Outward appearance has higher identification.Lock 1-5 is fixed as apparatus and takes pin buckle 1-6 structural principle and prior art class
Seemingly, just no longer it is described in detail herein.
As shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, sealing valve module 2 includes the air shuttle valve 2-3, air shuttle valve 2-3 in valve body
Including center the valve wall 2-3-1 in the horn-like structure of one provided with opening 2-3-3, the valve body of sealing valve module 2 includes upper lid
2-1 and lower cover 2-2, air shuttle valve 2-3 are clamped in by the periphery of the waveform elasticity shirt rim 2-3-2 located at valve wall 2-3-1 peripheries
Between upper lid 2-1 and lower cover 2-2, valve wall 2-3-1 and elasticity shirt rim 2-3-2 are formed in one structure preferably, and air shuttle valve 2-3
Material is that rubber or silica gel are best, provides valve wall 2-3-1 mechanical supports using waveform elasticity shirt rim 2-3-2, makes valve wall 2-3-1
Lid 2-1 and lower cover 2-2 center is suspended in, contactless with upper lid 2-1 and lower cover 2-2, no friction has air shuttle valve 2-3
Certain axial movement space.Most of all, as shown in figure 11, the valve wall 2-3-1 gradient is by valve wall 2-3-1 central openings 2-
3-3 is gradually reduced to valve wall 2-3-1 peripheries, i.e. valve wall 2-3-1 is from valve wall 2-3-1 central openings 2-3-3 to valve wall 2-3-1 peripheries
Moulding gradually delay, the gradient is most slow at maximum gauge, and the gradient is most precipitous at minimum diameter.Experiment shows, valve wall 2-3-1 central openings
The gradient near the sealing lip 2-3-7 similar to ring structure at 2-3-3 is more precipitous, sealing lip 2-3-7 resistance center methods
Line Direction distortion is more notable, and sealing lip 2-3-7 is more difficult to turn over；Compared with existing turbination valve wall construction, effectively
Improve the problem of air shuttle valve 2-3 occurs to turn on sealing lip 2-3-7 when in use.It is known that when exercises on apparatus author is using
During, the frictional force for being passed through apparatus can be increased by being turned on sealing lip 2-3-7, after being turned on sealing lip 2-3-7, make air shuttle valve
Deformability original 2-3 declines, and central opening 2-3-3 diminishes, and the corner angle for being easily sewn the apparatuses such as nail, haemostatic clamp are hooked,
Influence very much instrumentation.A kind of abdominal cavity puncture outfit of the present embodiment, by being improved to air shuttle valve 2-3 structures, not only
Make air shuttle valve 2-3 sealing property more preferably, and significantly improve the deformability in air shuttle valve 2-3 resistances centre normal direction,
Make air shuttle valve 2-3 be difficult to turn over, greatly reduce air shuttle valve 2-3 gas leakage risk；And due to effectively prevent air shuttle valve 2-3
Turn up, therefore reduce operating theater instruments angular structures and scratch air shuttle valve 2-3 backs, it is to avoid air shuttle valve 2-3 cracking failures, it is ensured that
The sealing property of abdominal cavity puncture outfit.
As shown in Figure 9 and Figure 10, in order to further prevent air shuttle valve 2-3 from turning up, in the present embodiment, on valve wall 2-3-1
It is evenly distributed with some gauffer 2-3-4 extended from valve wall 2-3-1 centers to periphery, it is preferable that gauffer 2-3-4 is by located at valve
(" sunny side " can be referred to as on the inside of valve wall 2-3-1) on the inside of wall 2-3-1 convex tendon and on the outside of valve wall 2-3-1 (outside valve wall 2-3-1
Side can be referred to as " back ") corresponding with above-mentioned convex tendon location and shape groove composition.It is further preferred that above-mentioned gauffer
2-3-4 uses helical structure, and is macroscopically constituting three-dimensional Reducing screw line, constitutes gauffer 2-3-4 convex tendon and groove point
On the sunny side and the back for not being attached to valve wall 2-3-1, its radius of spin is incremented by by periphery to center by equation, helix equation：
x2+y2=r2；
Z=k [2 π+arctan (y/x)]；
Wherein, r is the radius of spin；K2 π are the distances risen in z-axis that often rotates a circle；K, r are constant.
Above-mentioned spiral shape gauffer 2-3-4 design, is rubbed based on generalized Hooke law, three-dimensional Reducing screw line and solid
The modern theory of wiping, takes into full account the complexity of air shuttle valve 2-3 mechanical properties in use, utilizes three-dimensional Reducing screw line
Rule change and combine generalized Hooke law, design analyzed one kind can be in frequently by frictional force, extruding force, stretching
Power remains to preferably reduce air shuttle valve 2-3 deformation amplitudes, keeps original-shape to possess mechanical property.In use, device
Tool is entered by air shuttle valve 2-3 horn mouth, during entering to sealing lip 2-3-7, and sunny side convex tendon provides smaller contact surface, subtracts
It is small to be passed through apparatus frictional force；In addition, during apparatus is passed through, air shuttle valve 2-3 horn mouths internal diameter becomes big, and folded structure exists
Can afford ample material supplement in air shuttle valve 2-3 internal diameter deformation processes, effectively reduce the damaged risk of air shuttle valve.
In addition, referring to shown in Figure 10 and Figure 11, the sealing lip at valve wall 2-3-1 central openings 2-3-3 in the present embodiment
2-3-7, which has, is evenly distributed with some along sealing on horn-like Eversible structure, and sealing lip 2-3-7 horn-like Eversible structure
The small convex rib 2-3-8 of lip 2-3-7 central axis extension.It is known that being influenceed by apparatus displacement, sealing lip 2-3-7 " back "
Friction must be produced with device contacts, will switch to static friction when frictional force exceeds dynamic friction scope, cause sealing lip 2-3-7
On turn over, influence air shuttle valve 2-3 performances.And the sealing lip 2-3-7 structures in the present embodiment, valve wall 2-3-1 central openings 2-
3-3 horn-like Eversible structure is with the overall flared structures of air shuttle valve 2-3 towards on the contrary, by bell-mouth structure of air, reducing close
Lip 2-3-7 and instrument interface normal pressure are sealed, while on " back " that sealing lip 2-3-7 plays below major seal faces,
I.e. on sealing lip 2-3-7 horn-like Eversible structure, equally distributed some are have devised along sealing lip 2-3-7 central axis
The small convex rib 2-3-8 of extension, the characteristics of small convex rib 2-3-8 is preferably provided with 15~25, small convex rib 2-3-8 is：Its is relative
The height on sealing lip 2-3-7 horn-like surface reduces, final opposing seal with the radial dimension of reductions of sealing lip 2-3-7
The height on lip 2-3-7 surfaces is zero, is designed by small convex rib 2-3-8, and sealing lip 2-3-7 is further reduced when apparatus is extracted out
Contact area between apparatus, reduces the frictional resistance of apparatus extraction, further reduces the possibility of turning up of air shuttle valve.
Shown in hookup 7 and Fig. 8, it is additionally provided with and is interweaved by some protection leaf 2-4 on the inside of the air shuttle valve 2-3 in the present embodiment
The taper protection device being covered on the inside of valve wall 2-3-1, protection leaf 2-4 be 4 preferably, 4 protection leaf 2-4 are mutually handed over
The tapered structure of paramnesia, the periphery of protection device is clamped by A valve collar 2-6 and B valve collars 2-7, and is installed on valve wall 2-3-1
In the cavity volume 2-3-5 that portion and elasticity shirt rim 2-3-2 are surrounded, A valve collar 2-6 and B valve collars 2-7 is provided with the company cooperated
Post and connecting hole are connect, A valve collars 2-6 and B valve collar 2-7 coordinates the periphery by leaf 2-4 is protected by the grafting of connecting pole and connecting hole
It is fixedly clamped, A valve collars 2-6 and air shuttle valve 2-3 is connected also by connecting pole and connecting hole.Using protecting leaf 2-4 to choke
Valve 2-3 plays the folded structure set in certain protective effect, and air shuttle valve 2-3, also reduces air shuttle valve 2-3 and top
Protect leaf 2-4 frictional force, it is ensured that flexible movements between valve module 2 are sealed during use, reduce instrumentation obstruction
Sense.In addition, referring to shown in Fig. 6, Fig. 7, Fig. 8 and Figure 12, being additionally provided with the outside of the air shuttle valve 2-3 in the present embodiment and being located at valve wall
On the outside of 2-3-1 and center has the movable guard 2-5 of opening, and movable guard 2-5 lateral surface is sphere, lower cover 2-2 lower through-hole
Inwall can be engaged with sphere on the outside of movable guard 2-5, it is preferable that can be set one week at lower cover 2-2 lower through-hole inwall
Dome shape rolling surface 2-2-1, so that movable guard 2-5 can do relative rolling motion on lower cover 2-2；Above-mentioned movable guard 2-5
Diameter be more than lower cover 2-2 bottoms through-hole diameter, and movable guard 2-5 opening diameter be less than lower cover 2-2 bottoms through hole it is straight
Footpath.Specifically, some connecting poles are provided with movable guard 2-5 top, air shuttle valve 2-3 is provided with to be connected with above-mentioned connecting pole
Connecting hole 2-3-6；In order to which movable guard 2-5 is preferably coaxially positioned with air shuttle valve 2-3, and prevent movable guard 2- during use
5 occur relative dislocation with air shuttle valve 2-3, and a circle locating ring 2-3-9, locating ring 2-3-9 are additionally provided with the outside of air shuttle valve 2-3
Coordinate spacing with the locating ring on movable guard 2-5.Coordinated using the rolling of movable guard 2-5 and lower cover 2-2 lower through-hole inwall,
Enable air shuttle valve 2-3 that there is Universal rotary function in sealing valve module 2, be easy to apparatus flexible operating；And air shuttle valve 2-3
The rigid constraint of all directions in the range of use is zero, extraordinary operability is provided for operator, it is to avoid similar
Product occur because break through product limitation caused by air shuttle valve 2-3 seal failures the problem of.Apparatus stretches into sealing for convenience
It is operated in valve module 2, is additionally provided with concave inward structure 2-1-1 at upper lid 2-1 upper opening, is easy to apparatus smoothly to lead
Enter.
As shown in Fig. 3, Figure 13 and Figure 14, sheath tube assembly 3 includes sheath 3-1, the sheath base 3-2 located at sheath 3-1 one end
Take thing valve 3-3, sheath 3-1 optimal using integrated formed structure with sheath base 3-2 with sheath base 3-2, it is ensured that sheath
Pipe 3-1 air-tightness；Sheath 3-1 periphery is additionally provided with anti-slip veins 3-5, and adding sheath 3-1 using anti-slip veins 3-5 punctures through
Resistance in journey, causes puncture outfit puncture too deep and affected organ, uses when effectively preventing from penetrating tissue because resistance reduces suddenly
It is more safe and reliable.Connection sheath 3-1 gas injection valve 3-4 is additionally provided with the sheath base 3-2 of sheath tube assembly 3, pneumoperitoneum is convenient for
Operation；Sheath base 3-2 both sides are additionally provided with the operating handle 3-2-1 for being easy to grip, and operating handle 3-2-1, which is provided with, is easy to line
Fixed threading hole 3-2-2, is easy to operator's holding operation, and in order to adapt to different operation needs, provided for operator
Simple operation can be improved with the method for suture by sheath 3-1 and the rigid condition of patient skin surface.
Referring to shown in Figure 14, Figure 15 and Figure 16, in the present embodiment, thing valve 3-3 is taken to use three-clove style in sheath tube assembly 3
Structure, for taking thing valve compared to duck-beak type, takes the radial passage of thing valve further to be increased, and improves and takes out resection organization
Convenience, reduces difficulty and the time of operation, reduces operation risk；For taking thing valve compared to fFour piece type, take thing valve 3-3's
Structural strength is high, and otch is few, and sealing property is more preferably.Specifically in the present embodiment, it is above-mentioned to take thing valve 3-3 to include three clack valve valve 3-
3-1, includes valve side wall and the valve bottom wall being connected in one with valve side wall, three clack valve valve 3-3-1 valve side per clack valve valve 3-3-1
Wall is connected in one, and three of the connection edge direction extension from center to valve side wall are offered on three clack valve valve 3-3-1 valve bottom wall
Individual valve port 3-3-2, three valve port 3-3-2 angle are 120 ° optimal.It is equipped with and is prolonged by valve bottom wall on the outside of per clack valve valve 3-3-1
The outer wall reinforcement 3-3-5 at the wall outer rim of valve side is extended, is equipped with the inside of every clack valve valve 3-3-1 positioned at valve bottom wall and valve side wall
Inwall reinforcement 3-3-4, outer wall reinforcement 3-3-5 and inwall reinforcement 3-3-4 on connection side ensure that every clack valve valve 3-
The stability of 3-1 shapes, it is ensured that take thing valve 3-3 valve port 3-3-2 Natural closures, prevent from rebuilding or renovate outside flap 3-3-1 valve bottom wall
Into seal failure.In addition, outer wall reinforcement 3-3-5 extends to valve side wall outer rim by valve bottom wall, improve and take thing valve 3-3's whole
Body intensity, adds the stability and reliability of structure, improves rebound degree, increases and takes self seal of thing valve 3-3, and inwall
Reinforcement 3-3-4 is on valve bottom wall and valve side wall connection side, and inwall reinforcement 3-3-4 sizes are smaller, are not take up taking thing valve 3-3
The space of inner side, while hook etc. interference will not be caused to instrumentation, practicality is stronger.In addition, per clack valve valve 3-3-1's
Valve side wall inwardly arches upward, the gradient of valve side wall from valve sidewall bottom to valve side wall outer rim at be gradually reduced, so contribute to carry
High flap 3-3-1 non-deformability and resilience.For the ease of taking thing valve 3-3 to be installed in sheath base 3-2, three clack valve valve 3-
A circle is additionally provided with 3-1 valve side wall outer rim side 3-3-3 is installed, by pressure ring 3-6 thing valve 3-3 can will be taken to be fixed on sheath base
In 3-2, also, locating piece 3-3-6 is additionally provided with the bottom for installing side 3-3-3, is easy to take thing valve 3-3 positions to fix, structure letter
It is single, it is easy for installation.
The present invention a kind of abdominal cavity puncture outfit, by being improved to existing puncture outfit, make puncture outfit have good airproof performance,
Puncture force is strong, take object space just, compact conformation, it is easy to make, using it is flexibly convenient the features such as.
Schematically the present invention and embodiments thereof are described above, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of abdominal cavity puncture outfit, including puncture needle component (1), sealing valve module (2) and the sheath that can be fitted together successively
Tube assembly (3), described puncture needle component (1) includes puncturing core bar (1-1) and located at the puncturing head for puncturing core bar (1-1) one end
(1-2), described sealing valve module (2) includes the air shuttle valve (2-3) in valve body, and described sheath tube assembly (3) includes sheath
Manage (3-1), the sheath base (3-2) located at sheath (3-1) one end and take thing valve (3-3), its feature in sheath base (3-2)
It is：Described air shuttle valve (2-3) includes valve wall (2-3-1) in one horn-like structure of the center provided with opening (2-3-3),
The gradient of described valve wall (2-3-1) is gradually reduced from valve wall (2-3-1) central opening (2-3-3) to valve wall (2-3-1) periphery.
2. a kind of abdominal cavity puncture outfit according to claim 1, it is characterised in that：Uniformly divide on described valve wall (2-3-1)
Some gauffers (2-3-4) extended from valve wall (2-3-1) center to periphery are furnished with, described gauffer (2-3-4) is by located at valve
Convex tendon and corresponding with above-mentioned convex tendon location and shape groove on the outside of valve wall (2-3-1) on the inside of wall (2-3-1) are constituted；
The sealing lip (2-3-7) at described valve wall (2-3-1) central opening (2-3-3) place has horn-like Eversible structure, and sealing lip
Some small convex ribs extended along sealing lip (2-3-7) central axis are evenly distributed with the horn-like Eversible structure of (2-3-7)
(2-3-8)。
3. a kind of abdominal cavity puncture outfit according to claim 2, it is characterised in that：The valve body of described sealing valve module (2)
Including upper lid (2-1) and lower cover (2-2), described air shuttle valve (2-3) passes through the waveform elasticity located at valve wall (2-3-1) periphery
The periphery of shirt rim (2-3-2) is clamped between upper lid (2-1) and lower cover (2-2).
4. a kind of abdominal cavity puncture outfit according to claim 3, it is characterised in that：The inner side of described air shuttle valve (2-3) is also
Provided with the taper protection device being covered on the inside of valve wall (2-3-1) being interwoven by some protection leaves (2-4), described protection
The periphery of device is clamped by A valve collars (2-6) and B valve collars (2-7), and is installed on by valve wall (2-3-1) top and elastic shirt rim
In the cavity volume (2-3-5) that (2-3-2) is surrounded.
5. a kind of abdominal cavity puncture outfit according to claim 4, it is characterised in that：The outside of described air shuttle valve (2-3) is also
There is the movable guard (2-5) of opening provided with the outside of valve wall (2-3-1) and the center that is located at, the outside of described movable guard (2-5)
Face is sphere, and the lower through-hole inwall of described lower cover (2-2) can be engaged with sphere on the outside of movable guard (2-5), so that living
Dynamic cover (2-5) can do relative rolling motion on lower cover (2-2).
6. a kind of abdominal cavity puncture outfit according to claim 1 to 5 any one, it is characterised in that：Described puncturing head (1-
2) the lance wall (1-2-1) provided with two arcs, two lance walls (1-2-1) are anteriorly gradually reduced from puncturing head (1-2) rear portion
Sophisticated (1-2-3) is formed, two lance walls (1-2-1) are crossed to form side edge (1-2-2) in both sides.
7. a kind of abdominal cavity puncture outfit according to claim 6, it is characterised in that：Described puncture needle component (1) also includes
In the core rod seat (1-3) for puncturing remote puncturing head (1-2) one end on core bar (1-1), described puncture core bar (1-1) inside
Sky, the top of described core rod seat (1-3) is provided with puncturing the instrument channel mouthful (1-4) that core bar (1-1) is communicated, and core rod seat
(1-3) is provided with the apparatus for being used to fix apparatus and fixes lock (1-5), be additionally provided with described core rod seat (1-3) for it is close
What envelope valve module (2) was connected or separated takes pin buckle (1-6).
8. a kind of abdominal cavity puncture outfit according to claim 7, it is characterised in that：It is located on described core rod seat (1-3) and takes
The periphery of pin buckle (1-6) is additionally provided with reinforcement convex tendon (1-7).
9. a kind of abdominal cavity puncture outfit according to claim 7, it is characterised in that：Thing is taken in described sheath tube assembly (3)
Valve (3-3) uses three-clove style structure.
10. a kind of abdominal cavity puncture outfit according to claim 9, it is characterised in that：The sheath base of described sheath tube assembly (3)
The gas injection valve (3-4) of connection sheath (3-1) is additionally provided with (3-2), the both sides of described sheath base (3-2), which are additionally provided with, to be easy to grip
Operating handle (3-2-1), described operating handle (3-2-1) is provided with the threading hole (3-2-2) for being easy to line to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438511.5A CN107115136B (en) | 2017-06-12 | 2017-06-12 | Abdominal cavity puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438511.5A CN107115136B (en) | 2017-06-12 | 2017-06-12 | Abdominal cavity puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107115136A true CN107115136A (en) | 2017-09-01 |
| CN107115136B CN107115136B (en) | 2020-05-22 |
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ID=59729805
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710438511.5A Expired - Fee Related CN107115136B (en) | 2017-06-12 | 2017-06-12 | Abdominal cavity puncture outfit |
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| Country | Link |
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| CN (1) | CN107115136B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108309412A (en) * | 2018-03-12 | 2018-07-24 | 天津青松华药医药有限公司 | A kind of puncture cannula device for laparoscope puncture outfit |
| CN108771559A (en) * | 2018-05-29 | 2018-11-09 | 成都维信电子科大新技术有限公司 | A kind of abdominal cavity puncture outfit |
| CN108969068A (en) * | 2018-07-13 | 2018-12-11 | 仙居优亿医疗器械有限公司 | Puncture outfit with improved structure |
| CN110251175A (en) * | 2019-07-09 | 2019-09-20 | 北京天助畅运医疗技术股份有限公司 | A kind of laparoscope puncture stitching unstrument |
| CN113876405A (en) * | 2021-11-10 | 2022-01-04 | 贵州省人民医院 | Abdominal cavity puncture outfit for medical operation and puncture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108969068B (en) * | 2018-07-13 | 2024-03-05 | 浙江优亿医疗器械股份有限公司 | Puncture outfit with improved structure |
| CN110251175A (en) * | 2019-07-09 | 2019-09-20 | 北京天助畅运医疗技术股份有限公司 | A kind of laparoscope puncture stitching unstrument |
| CN113876405A (en) * | 2021-11-10 | 2022-01-04 | 贵州省人民医院 | Abdominal cavity puncture outfit for medical operation and puncture method |
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| CN107115136B (en) | 2020-05-22 |
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Granted publication date: 20200522 |