CN107049382A - It is a kind of to rotate flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable - Google Patents
It is a kind of to rotate flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable Download PDFInfo
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- CN107049382A CN107049382A CN201710438348.2A CN201710438348A CN107049382A CN 107049382 A CN107049382 A CN 107049382A CN 201710438348 A CN201710438348 A CN 201710438348A CN 107049382 A CN107049382 A CN 107049382A
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- air shuttle
- shuttle valve
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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Abstract
The invention discloses a kind of abdominal cavity puncture outfit seal assembly for rotating flexible, sealed reliable, belong to medical puncturing instrument field.The seal assembly of the present invention, including upper lid, lower cover, air shuttle valve and movable guard, the valve wall gradient of air shuttle valve is gradually reduced from valve wall central opening to valve wall periphery, sealing lip at valve wall central opening, which has, is evenly distributed with some small convex ribs extended along sealing lip central axis on horn-like Eversible structure, and the horn-like Eversible structure of sealing lip；Movable guard covers at the outside of air shuttle valve, so that air shuttle valve can do relative rolling motion with movable guard on lower lid.The present invention not only makes the sealing property of seal assembly more preferably, makes air shuttle valve be difficult to turn over, greatly reduces the gas leakage risk of air shuttle valve；And using the movable guard on air shuttle valve, enable air shuttle valve that there is Universal rotary function in sealing valve module, be easy to apparatus flexible operating, it is to avoid like product occur because breaking through air shuttle valve seal failure caused by product limitation the problem of.
Description
Technical field
The present invention relates to a kind of laparoscopic surgery puncture outfit tool, flexible, sealed reliable is rotated more specifically to one kind
Abdominal cavity puncture outfit seal assembly.
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.
The sealing valve design of abdominal cavity puncture outfit, has greatly Practical significance for laparoscopic surgery, both requires sealing valve
Good sealing property can be realized with operating theater instruments, requires that sealing valve can be easy to operating theater instruments flexible operating again.In China
Patent No. ZL200510062967.3, authorized announcement date is on June 17th, 2009, and invention and created name is：The trochar of improvement
In the application case of seal, a kind of seal valve structure of abdominal cavity puncture outfit is described, it is sufficiently rigid that its seal assembly includes first
Ring, the second sufficiently rigid ring, and if the dried layer elastomeric elements that are compressed between two rings, if dried layer elastomeric elements
Interweave and form conical seal, if dried layer elastomeric elements are preferably provided with semi-circular profile, and are preferably provided with about 180 and arrive
270 degree of circumference；In addition, being additionally provided with the protection component of similar structures on above-mentioned conical seal top.Using this knot
The abdominal cavity puncture outfit of the conical seal of structure has a better effect very common on the market：For example,
The seal eliminates lippacking " circumference stress " problem, by the way that seal is broken into some, greatly reduces device
Strain during tool is inserted in system, effectively reduces apparatus insertion and the resistance extracted out, more facilitates apparatus to be penetrated through close
Sealing.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.
In addition, existing seal is generally possible to carry out a range of movement, to facilitate surgical instrument operation.As in
State patent No. ZL201520644317.9, authorized announcement date is on January 27th, 2016, and utility model is entitled：Puncture outfit is with close
Sealing assembly, this application case is related to a kind of puncture outfit seal assembly, including lid on sealing lower cover, sealing, support chip, space bar and
Upper press cover is sealed, support chip, space bar and sealing upper press cover are respectively positioned in sealing lower cover and sealing between lid, are additionally provided with one whole
The comprehensive sealing part of body formula structure, the edge of the comprehensive sealing part is positioned in sealing lower cover and sealing between lid, comprehensive sealing
Part includes O-shaped seal and wave shape sealing ring.Seal assembly in this application case, can be made O-shaped using wave shape sealing ring
Seal is moved up and down between being covered on lower cover and sealing is sealed, and is had for instrumentation and is necessarily helped, but the sealing group
The O-shaped seal of part is difficult to produce rolling between covering on sealing lower cover and sealing, causes apparatus to be difficult in puncture outfit flexibly
Rotate, so that in operation, apparatus easily breaks through seal limitation, causes seal failure, has a strong impact on the sealing of puncture outfit
Performance.
The above mentioned problem existed based on prior art, is needed badly and designs a abdominal cavity for being capable of flexible rotating and sealed reliable and wear
Pierce device seal assembly.
The content of the invention
1. the invention technical problem to be solved
The purpose of the present invention overcomes the seal assembly of existing abdominal cavity puncture outfit to exist, and sealing reliability is poor, instrumentation is ineffective
It is living etc. not enough there is provided a kind of abdominal cavity puncture outfit seal assembly for rotating flexible, sealed reliable, using the technical side of the present invention
Air shuttle valve sealing property in case, seal assembly more preferably, significantly improves the deformability in air shuttle valve resistance centre normal direction,
Make air shuttle valve be difficult to turn over, greatly reduce the gas leakage risk of air shuttle valve；And using the movable guard on air shuttle valve, make air shuttle valve
There can be Universal rotary function in sealing valve module, be easy to apparatus flexible operating, and make air shuttle valve in the range of use
The rigid constraint of all directions is zero, extraordinary operability is provided for operator, it is to avoid like product occur because prominent
Caused by the limitation of bankruptcy product the problem of air shuttle valve seal failure.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of rotation of the present invention is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, including upper lid, lower cover and resistance
Air valve, described air shuttle valve includes valve wall and the elastic shirt rim of waveform located at valve wall periphery, and the center of described valve wall is provided with
Opening, described air shuttle valve is clamped between upper lid and lower cover by the periphery of elastic shirt rim, wherein：
Described valve wall in the horn-like structure of one, and horn-like valve wall the gradient from valve wall central opening to valve wall periphery
It is gradually reduced, the sealing lip at described valve wall central opening has horn-like Eversible structure, and the horn-like of sealing lip turns up
Some small convex ribs extended along sealing lip central axis are evenly distributed with structure；
Also include the movable guard that center has opening, described movable guard covers at the outside of air shuttle valve, described activity
The lateral surface of cover is sphere, and the lower through-hole inwall of described lower cover can be engaged with sphere on the outside of movable guard, so that choke
Valve can do relative rolling motion with movable guard on lower lid.
Further, the gauffer that some Tiao Youfabi centers are extended to periphery is evenly distributed with described valve wall, it is described
The gauffer groove 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 constitute.
It is further preferred that described gauffer on valve wall around the equidirectional bending of valve wall central axis, and the line style of gauffer
For three-dimensional Reducing screw line, the radius of the three-dimensional Reducing screw line is incremented by by the outer circumferential center position of valve wall by equation, three-dimensional
Reducing screw line equation is：
x2+y2=r2；
Z=k [2 π+arctan (y/x)]；
Wherein, r is the radius of spin；K2 π are the distance risen in z-axis that often rotates a circle；K, r are constant.
It is further preferred that small convex rib on described sealing lip relative to the horn-like surface of sealing lip height with
The radial dimension of reduction of sealing lip and reduces, up to being zero relative to the height on the horn-like surface of sealing lip.
Further, it is additionally provided with and is covered in by what some protection leaves were interwoven on the inside of valve wall on the inside of described air shuttle valve
Taper protection device, the periphery of described protection device clamped by A valve collars and B valve collars, and be installed on by valve wall top and
In the cavity volume that elastic shirt rim is surrounded.
Further, the diameter of described movable guard is more than the through-hole diameter of lower cover bottom, and the opening diameter of movable guard
Less than the through-hole diameter of lower cover bottom.
Further, the top of described movable guard is provided with some connecting poles, and described air shuttle valve is provided with and above-mentioned company
Connect the connecting hole of post mating connection.
It is further preferred that being additionally provided with determining for a circle and movable guard top location fit on the lateral wall of described air shuttle valve
Position ring.
It is further preferred that the lower through-hole inwall of described lower cover is provided with the ball being engaged with sphere on the outside of movable guard
Planar rolling surface.
Further, it is additionally provided with concave inward structure at the upper opening of described upper lid.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, it passes through to sealing group
Air shuttle valve in part is improved, and the movable guard for being capable of universal rotational is set on air shuttle valve, is not only made in seal assembly
Air shuttle valve sealing property more preferably, significantly improves the deformability in air shuttle valve resistance centre normal direction, is difficult air shuttle valve
Turn over, greatly reduce the gas leakage risk of air shuttle valve；And using the movable guard on air shuttle valve, enable air shuttle valve in sealing valve group
There is Universal rotary function in part, be easy to apparatus flexible operating, and make the rigidity of all directions of the air shuttle valve in the range of use
Zero is constrained to, extraordinary operability is provided for operator, it is to avoid what like product occurred leads because breaking through product limitation
The problem of air shuttle valve seal failure of cause；
(2) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, uniformly divide on its valve wall
Be furnished with the gauffer that some Tiao Youfabi centers are extended to periphery, gauffer by the convex tendon on the inside of valve wall and on the outside of valve wall with
The corresponding groove of above-mentioned convex tendon location and shape is constituted, frequently by frictional force, extruding force and tensile force in the case of, gauffer
Structure can effectively reduce the deformation amplitude of air shuttle valve, and constitute the inner side convex tendon of gauffer and can effectively reduce air shuttle valve and device
The contact surface of tool, so as to reduce the frictional force that apparatus is passed through, reduces operation obstruction sense；Folded structure is in air shuttle valve simultaneously
Can afford ample material supplement in the deformation process of footpath, effectively reduce the damaged risk of air shuttle valve；
(3) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, its gauffer is on valve wall
It is three-dimensional Reducing screw line around the line style of the equidirectional bending of valve wall central axis, and gauffer, the design of the reductus shape is fully examined
Consider the complexity of air shuttle valve mechanical property in use, changed using the rule of three-dimensional Reducing screw line and combine broad sense
Hooke's law, makes air shuttle valve keep original-shape to possess mechanical property in use, further prevents air shuttle valve to become
Shape is turned up；
(4) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, it is small on its sealing lip
Convex tendon reduces relative to the height on the horn-like surface of sealing lip with the radial dimension of reduction of sealing lip, until relative to close
The height for sealing the horn-like surface of lip is zero, and small convex rib does not interfere with the air-tightness of sealing lip not only, and effectively reduces device
The frictional resistance that tool is extracted out, reduce further the possibility that air shuttle valve deformation is turned up；
(5) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, the inner side of its air shuttle valve
The taper protection device being covered on the inside of valve wall being interwoven by some protection leaves is additionally provided with, air shuttle valve is risen using leaf is protected
To protective effect, air shuttle valve is effectively prevented to be damaged gas leakage；
(6) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, the top of its movable guard
Provided with some connecting poles, air shuttle valve is provided with the connecting hole being connected with above-mentioned connecting pole, the lateral wall of air shuttle valve and also set
There is the locating ring of a circle and movable guard top location fit, simple in construction, easy to assembly, movable guard and air shuttle valve during use
It is not susceptible to relative dislocation or releases；
(7) a kind of rotation of the invention flexibly, the abdominal cavity puncture outfit seal assembly of sealed reliable, the bottom of its lower cover leads to
Hole inwall is provided with the dome shape rolling surface being engaged with sphere on the outside of movable guard, is cooperated using two spheres, movable guard
Freely rotate more flexible, reduce instrumentation obstruction sense.
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, a kind of rotation of the present embodiment is flexibly, the abdominal cavity puncture outfit of sealed reliable uses
Seal assembly, it includes the air shuttle valve 2-3 in the valve body, air shuttle valve 2-3 include center provided with opening 2-3-3 in integral loudspeaker
The valve wall 2-3-1 of shape structure, the valve body of sealing valve module 2 includes upper lid 2-1 and lower cover 2-2, and air shuttle valve 2-3 passes through located at valve
The waveform elasticity shirt rim 2-3-2 on wall 2-3-1 peripheries periphery is clamped between upper lid 2-1 and lower cover 2-2, valve wall 2-3-1 and
Elastic shirt rim 2-3-2 is formed in one structure preferably, and air shuttle valve 2-3 material is that rubber or silica gel are best, utilizes waveform
Elastic shirt rim 2-3-2 provides valve wall 2-3-1 mechanical supports, valve wall 2-3-1 is suspended in lid 2-1 and lower cover 2-2 center, with
Upper lid 2-1 and lower cover 2-2 is contactless, and no friction makes air shuttle valve 2-3 have certain axial movement space.Most of all, such as
Shown in Figure 11, the horn-like valve wall 2-3-1 gradient is gradually subtracted from valve wall 2-3-1 central openings 2-3-3 to valve wall 2-3-1 peripheries
Small, i.e. valve wall 2-3-1 gradually delays from valve wall 2-3-1 central openings 2-3-3 to the moulding of valve wall 2-3-1 peripheries, slope at maximum gauge
Degree is most slow, and the gradient is most precipitous at minimum diameter.Experiment shows, sealing ring knot is similar at valve wall 2-3-1 central openings 2-3-3
The gradient near the sealing lip 2-3-7 of structure is more precipitous, and sealing lip 2-3-7 resistance centre normal Direction distortions are more notable, sealing
Lip 2-3-7 is more difficult to turn over；Compared with existing turbination valve wall construction, air shuttle valve 2-3 is effectively improved when in use
The problem of being turned on generation sealing lip 2-3-7.It is known that working as exercises on apparatus author in use, turned on sealing lip 2-3-7
The frictional force for being passed through apparatus can be increased, after being turned on sealing lip 2-3-7, decline the original deformabilities of air shuttle valve 2-3, in
Heart opening 2-3-3 diminishes, and the corner angle for being easily sewn the apparatuses such as nail, haemostatic clamp are hooked, and influence very much instrumentation.This implementation
The seal assembly of example, by being improved to air shuttle valve 2-3 structures, not only makes air shuttle valve 2-3 sealing property more preferable, Er Qiexian
The deformability for improving air shuttle valve 2-3 resistance centre normals direction is write, makes air shuttle valve 2-3 be difficult to turn over, greatly reduces resistance
Air valve 2-3 gas leakage risk；And turned up due to effectively prevent air shuttle valve 2-3, therefore reduce operating theater instruments angular structures
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, gauffer 2-3-4 on valve wall 2-3-1 around the equidirectional bending of valve wall 2-3-1 central axis, and
Three-dimensional Reducing screw line line style is macroscopically constituted, the radius of the three-dimensional Reducing screw line is by valve wall 2-3-1 outer circumferential center side
To being incremented by, the convex tendon and groove for constituting gauffer 2-3-4 are respectively attached on valve wall 2-3-1 sunny side and the back, its radius of spin
It 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：Small convex rib
The height on horn-like surfaces of the 2-3-8 relative to sealing lip 2-3-7 reduces with the radial dimension of reductions of sealing lip 2-3-7,
Until be zero relative to the height on the horn-like surfaces of sealing lip 2-3-7, the small convex rib 2-3-8 of the structure does not interfere with not only close
Lip 2-3-7 air-tightness is sealed, and effectively reduces the frictional resistance of apparatus extraction.Designed by small convex rib 2-3-8, in apparatus
The contact area between sealing lip 2-3-7 and apparatus is further reduced during extraction, the frictional resistance of apparatus extraction is reduced, enters
One step 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, specifically, A valve collar 2-6 and B valve collars 2-7 is provided with mutual
The connecting pole and connecting hole of cooperation, A valve collars 2-6 and B valve collar 2-7 is coordinated by the grafting of connecting pole and connecting hole will protection leaf 2-
4 periphery is fixedly clamped, and 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
The folded structure set in certain protective effect, and air shuttle valve 2-3 is played to air shuttle valve 2-3, also reduce air shuttle valve 2-3 with
The protection leaf 2-4 on top frictional force, it is ensured that flexible movements between valve module 2 are sealed during use, exercises on apparatus are reduced
Make obstruction sense.
Referring to shown in Fig. 6, Fig. 7, Fig. 8 and Figure 12, in the present embodiment, in addition to center has the movable guard 2-5 of opening,
Movable guard 2-5 covers at air shuttle valve 2-3 outside, and movable guard 2-5 lateral surface is sphere, lower cover 2-2 lower through-hole inwall
It can be engaged with sphere on the outside of movable guard 2-5, it is preferable that one week sphere can be set at lower cover 2-2 lower through-hole inwall
Shape rolling surface 2-2-1, so that air shuttle valve 2-3 can do relative rolling motion with movable guard 2-5 on lower cover 2-2；Above-mentioned work
Dynamic cover 2-5 diameter is more than the through-hole diameter of lower cover 2-2 bottoms, and movable guard 2-5 opening diameter is less than lower cover 2-2 bottoms
Through-hole diameter.Specifically, some connecting poles are provided with movable guard 2-5 top, air shuttle valve 2-3 is provided with to be matched somebody with somebody with above-mentioned connecting pole
Close the connecting hole 2-3-6 of connection；In order to which movable guard 2-5 is preferably coaxially positioned with air shuttle valve 2-3, and prevent from living during use
Relative dislocation occurs for dynamic cover 2-5 and air shuttle valve 2-3, and a circle locating ring 2-3-9, the positioning are additionally provided with the outside of air shuttle valve 2-3
Ring 2-3-9 coordinates spacing with the locating ring on movable guard 2-5.Utilize the rolling of movable guard 2-5 and lower cover 2-2 lower through-hole inwall
It is dynamic to coordinate, enable air shuttle valve 2-3 that there is Universal rotary function in sealing valve module 2, be easy to apparatus flexible operating；And hinder
The rigid constraint of all directions of the air valve 2-3 in the range of use is zero, and extraordinary operability is provided for operator, it is to avoid
Like product occur because breaking through air shuttle valve 2-3 seal failures caused by product limitation the problem of.Apparatus is stretched for convenience
Enter to seal and be operated in valve module 2, be additionally provided with concave inward structure 2-1-1 at upper lid 2-1 upper opening, be easy to apparatus suitable
Profit is imported.
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.
A kind of rotation of the present invention is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, the choke in seal assembly
Valve sealing property more preferably, significantly improves the deformability in air shuttle valve resistance centre normal direction, makes air shuttle valve be difficult to turn over, greatly
The big gas leakage risk for reducing air shuttle valve；And using the movable guard on air shuttle valve, enable air shuttle valve in sealing valve module
With Universal rotary function, it is easy to apparatus flexible operating, and make the rigid constraint of all directions of the air shuttle valve in the range of use
Be zero, extraordinary operability provided for operator, it is to avoid like product occur because breaking through product limitation caused by
The problem of air shuttle valve seal failure.
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 rotate flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, including upper lid (2-1), lower cover (2-2) and resistance
Air valve (2-3), described air shuttle valve (2-3) includes valve wall (2-3-1) and the elastic skirt of waveform located at valve wall (2-3-1) periphery
Side (2-3-2), the center of described valve wall (2-3-1) is provided with opening (2-3-3), and described air shuttle valve (2-3) passes through elastic skirt
The periphery on side (2-3-2) is clamped between upper lid (2-1) and lower cover (2-2), it is characterised in that：
Described valve wall (2-3-1) in the horn-like structure of one, and horn-like valve wall (2-3-1) the gradient by valve wall (2-3-1)
Central opening (2-3-3) is gradually reduced to valve wall (2-3-1) periphery, described valve wall (2-3-1) central opening (2-3-3) place
Sealing lip (2-3-7) have horn-like Eversible structure, and sealing lip (2-3-7) if horn-like Eversible structure on be evenly distributed with
The small convex rib (2-3-8) that dry bar extends along sealing lip (2-3-7) central axis；
Also include the movable guard (2-5) that center has opening, described movable guard (2-5) covers at air shuttle valve (2-3) outside,
The lateral surface of described movable guard (2-5) is sphere, and the lower through-hole inwall of described lower cover (2-2) can be with movable guard (2-
5) outside sphere is engaged, so that air shuttle valve (2-3) can do relative rolling motion with movable guard (2-5) on lower cover (2-2).
2. a kind of rotation according to claim 1 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：Some gauffer (2-3- extended from valve wall (2-3-1) center to periphery are evenly distributed with described valve wall (2-3-1)
4), described gauffer (2-3-4) by the convex tendon on the inside of valve wall (2-3-1) and on the outside of the valve wall (2-3-1) with it is above-mentioned convex
The corresponding groove of muscle location and shape is constituted.
3. a kind of rotation according to claim 2 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：Described gauffer (2-3-4) on valve wall (2-3-1) around the equidirectional bending of valve wall (2-3-1) central axis, and gauffer (2-
Line style 3-4) is three-dimensional Reducing screw line, and the radius of the three-dimensional Reducing screw line is by the outer circumferential center side of valve wall (2-3-1)
It is incremented by by equation, three-dimensional Reducing screw line equation is：
x2+y2=r2；
Z=k [2 π+arctan (y/x)]；
Wherein, r is the radius of spin；K2 π are the distance risen in z-axis that often rotates a circle；K, r are constant.
4. a kind of rotation according to claim 3 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：The height on horn-like surface of the small convex rib (2-3-8) relative to sealing lip (2-3-7) on described sealing lip (2-3-7)
Reduce with sealing lip (2-3-7) radial dimension of reduction, until relative to the height on sealing lip (2-3-7) horn-like surface
It is zero.
5. a kind of rotation according to claim 4 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：It is additionally provided with the inside of described air shuttle valve (2-3) and is covered in valve wall (2-3-1) by what some protection leaves (2-4) were interwoven
The taper protection device of inner side, the periphery of described protection device is clamped by A valve collars (2-6) and B valve collars (2-7), and is installed
In in the cavity volume (2-3-5) surrounded by valve wall (2-3-1) top and elastic shirt rim (2-3-2).
6. a kind of rotation according to claim 1 to 5 any one flexibly, the abdominal cavity puncture outfit of sealed reliable sealing group
Part, it is characterised in that：The diameter of described movable guard (2-5) is more than the through-hole diameter of lower cover (2-2) bottom, and movable guard (2-
5) opening diameter is less than the through-hole diameter of lower cover (2-2) bottom.
7. a kind of rotation according to claim 6 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：The top of described movable guard (2-5) is provided with some connecting poles, and described air shuttle valve (2-3) is provided with and above-mentioned connecting pole
The connecting hole (2-3-6) of mating connection.
8. a kind of rotation according to claim 7 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：Locating ring (the 2- of a circle and movable guard (2-5) top location fit is additionally provided with the lateral wall of described air shuttle valve (2-3)
3-9)。
9. a kind of rotation according to claim 8 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature exists
In：The lower through-hole inwall of described lower cover (2-2) is provided with the dome shape being engaged with sphere on the outside of movable guard (2-5) and rolled
Face (2-2-1).
10. a kind of rotation according to claim 9 is flexible, the abdominal cavity puncture outfit seal assembly of sealed reliable, its feature
It is：Concave inward structure (2-1-1) is additionally provided with the upper opening of described upper lid (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438348.2A CN107049382B (en) | 2017-06-12 | 2017-06-12 | Flexible-rotation reliable-sealing assembly for abdominal cavity puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438348.2A CN107049382B (en) | 2017-06-12 | 2017-06-12 | Flexible-rotation reliable-sealing assembly for abdominal cavity puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049382A true CN107049382A (en) | 2017-08-18 |
| CN107049382B CN107049382B (en) | 2019-12-17 |
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|---|---|---|---|
| CN201710438348.2A Expired - Fee Related CN107049382B (en) | 2017-06-12 | 2017-06-12 | Flexible-rotation reliable-sealing assembly for abdominal cavity puncture outfit |
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| CN (1) | CN107049382B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577944A (en) * | 2018-04-10 | 2018-09-28 | 中国人民解放军陆军军医大学第二附属医院 | Multichannel single hole hysteroscope puncture outfit |
| CN108852436A (en) * | 2018-05-10 | 2018-11-23 | 苏州法兰克曼医疗器械有限公司 | A kind of lane device for per anum Minimally Invasive Surgery |
| CN109259826A (en) * | 2018-08-20 | 2019-01-25 | 荣佳(惠州)医疗器械制造有限公司 | The puncture outfit of high leakproofness |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202408985U (en) * | 2011-12-30 | 2012-09-05 | 安徽奥弗医疗设备科技有限公司 | Rotatable sealing ring assembly in puncture outfit |
| CN204995557U (en) * | 2015-08-25 | 2016-01-27 | 浙江天松医疗器械股份有限公司 | Puncture utensils seal assembly |
| CN106037898A (en) * | 2016-08-02 | 2016-10-26 | 成都五义医疗科技有限公司 | Puncture outfit sealing system capable of being turned inwards wholly |
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2017
- 2017-06-12 CN CN201710438348.2A patent/CN107049382B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202408985U (en) * | 2011-12-30 | 2012-09-05 | 安徽奥弗医疗设备科技有限公司 | Rotatable sealing ring assembly in puncture outfit |
| CN204995557U (en) * | 2015-08-25 | 2016-01-27 | 浙江天松医疗器械股份有限公司 | Puncture utensils seal assembly |
| CN106037898A (en) * | 2016-08-02 | 2016-10-26 | 成都五义医疗科技有限公司 | Puncture outfit sealing system capable of being turned inwards wholly |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577944A (en) * | 2018-04-10 | 2018-09-28 | 中国人民解放军陆军军医大学第二附属医院 | Multichannel single hole hysteroscope puncture outfit |
| CN108577944B (en) * | 2018-04-10 | 2020-04-21 | 中国人民解放军陆军军医大学第二附属医院 | Multi-channel single-hole endoscope puncture outfit |
| CN108852436A (en) * | 2018-05-10 | 2018-11-23 | 苏州法兰克曼医疗器械有限公司 | A kind of lane device for per anum Minimally Invasive Surgery |
| CN108852436B (en) * | 2018-05-10 | 2023-10-13 | 苏州法兰克曼医疗器械有限公司 | Channel device for transanal minimally invasive surgery |
| CN109259826A (en) * | 2018-08-20 | 2019-01-25 | 荣佳(惠州)医疗器械制造有限公司 | The puncture outfit of high leakproofness |
| CN109259826B (en) * | 2018-08-20 | 2024-03-29 | 荣佳(惠州)医疗器械制造有限公司 | Puncture outfit with high sealing performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107049382B (en) | 2019-12-17 |
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