CN108652712A - Puncture outfit, seal assembly and the diaphragm seal for puncture outfit - Google Patents
Puncture outfit, seal assembly and the diaphragm seal for puncture outfit Download PDFInfo
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- CN108652712A CN108652712A CN201710216813.8A CN201710216813A CN108652712A CN 108652712 A CN108652712 A CN 108652712A CN 201710216813 A CN201710216813 A CN 201710216813A CN 108652712 A CN108652712 A CN 108652712A
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- Prior art keywords
- diaphragm seal
- puncture outfit
- protruding portion
- sealed wall
- thickness
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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
-
- 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
-
- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- 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
-
- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of diaphragm seals for puncture outfit, including proximal openings, remote stomidium and the sealed wall that proximal openings are extended to from remote stomidium, the remote stomidium to be formed by sealing lip, for accommodating the instrument being inserted into and forming hermetic seal；The sealed wall includes the proximal end face of proximally facing opening and the distal face away from the proximal openings；The sealed wall is equipped with multiple protruding portion, the protruding portion radially extends from the remote stomidium to the proximal openings, the thickness of the protruding portion is more than the average thickness of the sealed wall, and the protruding portion is set to the distal face and/or is set on proximal end face.The protruding portion being set on distal face, so that the regional area thickness of distal face increases, the extensional rigidity of diaphragm seal axial direction is increased, reduces the real contact area between instrument and diaphragm seal, to reduce frictional resistance and reduce stick-slip, while also reducing the probability that diaphragm seal varus occurs.
Description
Technical field
The present invention relates to Minimally Invasive Surgery instrument more particularly to a kind of puncture outfit, seal assembly and for the sealing of puncture outfit
Film belongs to medical instruments field.
Background technology
Puncture outfit is that (especially hard tube endoscope-assistant surgery) is used to establish the artificial channel for entering body cavity in a kind of Minimally Invasive Surgery
Surgical instrument.Usually it is made of sheath assembly and puncture needle.Its clinical general occupation mode is：First cut on patient skin
Osculum is opened, then puncture needle is run through into sheath assembly, then drives sheath assembly to penetrate stomach wall through skin opening together and enters body
Chamber.It can be removed once into puncture needle after body cavity, leave the channel that sheath assembly passes in and out body cavity as instrument.
In hard tube endoscope-assistant surgery, stable pneumoperitoneum need to be usually established and maintain, to obtain enough surgical procedure spaces.Set
Tube assembly is usually by casing, shell, diaphragm seal (also known as instrument seal) and zero sealing (also known as automatic-sealed) composition.Described sleeve pipe
It is penetrated to body cavity outside body cavity, the channel of body cavity is passed in and out as instrument.The shell connects casing, zero sealing with diaphragm seal
At a sealing system.Zero sealing is generally not provided the sealing for insertion instrument, and is automatically closed when instrument is removed
And form sealing.The diaphragm seal banding instrument and forms sealing when instrument is inserted into.
In a kind of typical endoscopic surgery, 2-5 puncture channel usually is established in patient's stomach wall, i.e., 2 small internal diameter set
Tube assembly (usual 5mm) and 2 large diameter sheath assemblies (usual 10~12mm).Usually enter trouble via small internal diameter sheath assembly
Instrument in person's body is only completed auxiliary operation；One of large diameter sheath assembly is as endoscope path way；And another imperial palace
The main thoroughfare that diameter sheath assembly is performed the operation as doctor.Main thoroughfare described herein, about 80% time apply 5mm devices
Tool；About 20% time applies other large diameter instruments；And the medium and small internal diameter instrument of operation needs frequent switching with large diameter instrument.It answers
With small internal diameter appliance time longest, sealing reliability is more important；Often it is the crucial rank in operation using when large diameter instrument
Section (such as vessel sealing and tissue suture), switches convenience and operating comfort is more important.
In the design of existing diaphragm seal, it is difficult to accomplish to take into account sealing reliability, switching convenience and operation simultaneously comfortably
Property, it would therefore be highly desirable to improvement be made on the basis of existing design, to obtain ideal effect.
Invention content
Therefore, it is an object of the present invention to provide a kind of puncture outfit diaphragm seal, which can ensure for being inserted into
Small internal diameter instrument reliably under the premise of sealing, frictional resistance when reducing using major diameter instrument and improve stick-slip, and avoid
Diaphragm seal varus occurs.
In order to achieve the above object, technical scheme is as follows：A kind of diaphragm seal for puncture outfit, including proximal end
Opening, remote stomidium and the sealed wall that proximal openings are extended to from remote stomidium, the remote stomidium is formed by sealing lip, for accommodating
The instrument of insertion simultaneously forms hermetic seal；The sealed wall includes the proximal end face of proximally facing opening and away from the proximal openings
Distal face；The sealed wall is equipped with multiple protruding portion, and the protruding portion is from the remote stomidium to the proximal openings in radiation
Extend to shape, the thickness of the protruding portion is more than the average thickness of the sealed wall, and the protruding portion is set to the distal face
And/or it is set on proximal end face.
Having the beneficial effect that after being implemented according to the present invention：The protruding portion for being set to distal face and/or being set on proximal end face,
So that the regional area thickness of sealed wall increases, the extensional rigidity of diaphragm seal axial direction is increased, is reduced between instrument and diaphragm seal
Real contact area, to reduce frictional resistance and reduce stick-slip, while also reduce occur diaphragm seal varus probability.
Further, the protruding portion is line style reinforcing rib.
Further, multiple line style reinforcing ribs are evenly distributed on the sealed wall.
Further, the number of the line style reinforcing rib is N and 2≤N≤30.
Further, the thickness of the line style reinforcing rib is 1-2.5 times of sealed wall average thickness.
Further, the protruding portion is the fan-shaped reinforcement face with first thickness, and the first thickness is more than described close
Seal the average thickness of wall.
Further, the central angle in the fan-shaped reinforcement face is α and 5 °≤α≤60 °.
Further, the sealed wall further includes the covering of the fan for having second thickness, and the second thickness is less than the sealing
The average thickness of wall.
Further, the diaphragm seal is back taper.
It is a further object to provide a kind of seal assembly of puncture outfit, which may be implemented surgical device
Excellent sealing after tool entrance, meanwhile, when switching surgical instrument, switching convenience and operating comfort can be improved.
To achieve the above object, the technical scheme is that：A kind of seal assembly of puncture outfit, the seal assembly packet
Sealing membrane modules are included, the sealing membrane modules include foregoing diaphragm seal.
Further, the sealing membrane modules further include lower fixed ring, middle fixed ring, protector and upper fixed ring,
The diaphragm seal is sandwiched between the lower fixed ring and middle fixed ring, and the protector is sandwiched in the middle fixed ring and described
Between upper fixed ring.
A further object of the present invention is to provide a kind of puncture outfit, which can overcome the deficiencies of existing technologies, real
Now reliable sealing, and with good operating comfort and switching convenience.
To achieve the above object, the technical scheme is that：A kind of puncture outfit, including sheath assembly and removably set
The puncture core being placed in described sleeve pipe component, described sleeve pipe component include foregoing seal assembly.
Description of the drawings
In order to more fully understand the present invention essence, be described in detail below in conjunction with attached drawing, wherein：
Fig. 1 is the stereoscopic schematic diagram of puncture outfit according to the ... of the embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the sheath assembly in Fig. 1；
Fig. 3 is the partial sectional perspective view of the sheath assembly in Fig. 2；
Fig. 4 is the exploded view of the sealing membrane modules in Fig. 2；
Fig. 5 is the partial sectional perspective view of the sealing membrane modules in Fig. 2；
Fig. 6 is the inside stereogram of the diaphragm seal in Fig. 4；
Fig. 7 is the sectional view of the diaphragm seal in Fig. 4；
Fig. 8 is the perspective outboard view of the diaphragm seal in first embodiment of the invention；
Fig. 9 is the perspective outboard view of the diaphragm seal in second embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
It in order to be more convenient for understanding, first sets close to the side of clinician's operation as proximal end, and performs the operation far from clinician
Side be close to patient body side be distal end.In conjunction with Fig. 1, the top in figure indicates one close to clinician's operation
End is proximal end；And the lower section illustrated is the one end being in contact with patient body, is considered as distal end.It is shown in Figure 1, it is this hair
The overall structure of puncture outfit 100 in bright preferred embodiment.It is a kind of typical case puncture outfit 100 include puncture needle 1 and sheath assembly
2, in the initial state, puncture outfit 100 is inserted in sheath assembly 2.
It is shown in Figure 1, it is the overall structure of the puncture outfit 100 in the preferred embodiment for the present invention.A kind of typical puncture
Device 100 includes puncture needle 1 and sheath assembly 2, and in the initial state, puncture outfit 100 is inserted in sheath assembly 2.
Shown in Fig. 2,3, to remove the overall structure diagram and its partial sectional view of 1 rear enclosure tube assembly 2 of puncture needle.
Sheath assembly 2 has open proximal end 22 and open distal end 24.In the typical application of one kind, puncture needle 1 runs through sheath assembly
2, it then drives sheath assembly 2 to penetrate entire stomach wall through skin opening together and enters body cavity.Once into body cavity, puncture needle 1
It is removed, sheath assembly 2 is left as the channel of instrument disengaging body cavity.The proximal end 22 is in the patient distal end
24 are in patient's body.A kind of preferred sheath assembly 2 can be divided into the first seal assembly 3 and the second seal assembly 4.First
The cooperation fastening of the hook of the card slot of seal assembly 3 and the second seal assembly 4.The cooperation of hook and card slot is singlehanded can quickly to split
Quick locking structure, this primarily to operation when facilitate take out patient's body tissue or foreign matter.First seal assembly 3 and second
There are many realization methods for fast lock connection between seal assembly 4.In addition to the structure of the present embodiment displaying, screw thread company also can be used
It connects, rotary buckle or other quick locking structures.Selectable, the first seal assembly 3 and the second seal assembly 4 can be designed to not
The structure that can quickly split.
Fig. 3 depicts the composition and assembly relation of the first seal assembly 3.Lower housing 30 includes an elongated tubular 31, this is elongated
Pipe 31 limits the casing 32 through distal end 24 and is connected with shell 33.Lower housing 30 has the inner wall of support duck bill seal 36
34 and the air valve mounting hole 35 with 34 unicom of inner wall.Spool 350 is mounted in valve body 352 and is installed along with the mounting hole 35
In.The flange 362 of duck bill seal 36 is sandwiched between the inner wall 34 and lower cover 37.Consolidating between lower cover 37 and lower housing 30
Determine there are many modes, interference fit can be used, ultrasonic bonding, splicing, buckle the modes such as fixed.Lower cover described in the present embodiment
37 4 mounting posts are interference fitted with 4 mounting holes 35 of lower housing 30, and this interference fit makes duck bill seal 36 be in pressure
Contracting state.Described sleeve pipe 32, inner wall 34, duck bill seal 36, valve body 352 and spool 350 have collectively constituted first chamber.This reality
It applies in example, the duckbilled 360 of the duck bill seal 36 singly stitches, but can also use other kinds of closure valve, including tongue
Type valve, stitches duckbill valve more.When external device runs through the duck bill seal 36, duckbilled 360 can open, but it is usually not
Being fully sealed relative to the instrument is provided.When the instrument is removed, the duckbilled 360 is closed automatically, to prevent the
The indoor fluid of one chamber is revealed to external.
Fig. 3 further depicts the composition and assembly relation of the second seal assembly 4.Second seal assembly 4 includes upper cover 40, sealing
Membrane module 42 and upper shell 41.Sealing membrane modules 42 are clipped between upper cover 40 and upper shell 41.Between upper shell 41 and upper cover 40
Fixed form there are many, can be used interference fit, the modes such as ultrasonic welding is glued, and buckle is fixed.The present embodiment displaying connection
It is fixed by ultrasonic bonding between the mode upper shell 41 for being and upper cover 40.This fixation makes the sealing membrane modules 42
Proximal end is in compressive state.
Shown in Fig. 4, Fig. 5, the composition and assembly relation of sealing membrane modules 42 are depicted.Under sealing membrane modules 42 include
Fixed ring 420, diaphragm seal 5, middle fixed ring 424, protector 426 and upper fixed ring 429.Diaphragm seal 5 and protector 426 are sandwiched in
Between lower fixed ring 420 and upper fixed ring 429.Specifically, lower fixed ring 420 is equipped with multiple pillars and hole；Accordingly, solid in
Determine the surface opposite with lower fixed ring 420 of ring 424 and also be provided with same amount of hole and pillar hole, diaphragm seal 5 is equipped with double number
The hole of amount, when assembly, the pillar of lower fixed ring 420 passes through the hole on diaphragm seal 5, is finally fixed in middle fixed ring 424 corresponding
Hole in, equally, middle fixed ring 424 is fixed in an identical manner in the corresponding hole of lower fixed ring 420.In addition, middle fixation
Ring 424 is towards also being provided with hole on the surface of protector 426 so that the pillar in upper fixed ring 429 can pass through 428 He of sealing ring
Corresponding hole on protector 426, is finally secured in middle fixed ring 424 so that sealing ring 428 and protector 426 be locked in
In middle fixed ring 424.Mutually matched pillar above-mentioned and hole are all using being interference fitted, so that entire sealing membrane modules 42
In compressive state.Protector 426 is used to protect the central seal body of diaphragm seal 5, protects it from the cutting edge of a knife or a sword of the surgical instrument of insertion
It perforates or tears caused by sharp edge.Sealing ring 428 is elastic membrane, including one or more radial (transverse direction) folds, the fold
With lateral compliance, so that entire sealing membrane modules 42 can float in the second seal assembly 4.In the present embodiment
In, diaphragm seal 5 and the component that sealing ring 428 is two separation, in other embodiments, to reduce production cost, diaphragm seal 5
It can also be designed to an entirety with sealing ring 428.
Sealing membrane modules 42 can be by much be made with the materials of different characteristics, to meet required elasticity or strong respectively
The requirement of degree.Such as diaphragm seal 5, sealing ring 428 are by superlastic such as relatively soft elastomeric materials, such as silica gel, isoprene rubber
Property material is made；Protector 426 uses semirigid thermoplastic elastomer (TPE)；And upper fixed ring 429, middle fixed ring 424 and lower solid
Determine ring 420 to be made of relatively hard plastic materials such as makrolon.
Fig. 6 is the stereoscopic schematic diagram of 5 inside of diaphragm seal.Diaphragm seal 5 is elastic membrane, including proximal openings 50, remote stomidium 52
And 50 sealed walls 54 extended that are proximally open from remote stomidium 52, the remote stomidium 52 is formed by sealing lip 520, for accommodating
The instrument of insertion simultaneously forms hermetic seal.The sealing lip 520 can be it is non-circular, as explained in the background of the invention, sealing lip 520 weeks
Length should be short enough and sturdy to ensure sealing reliability when applying 5mm instruments.Sealing lip 520 have the function of one it is important,
I.e.：Since it has certain rigidity, when its portion perimeter is by outer force effect, sealing lip 520 can integrally deform, and
It keeps deformed peripheral shape and size generally uniform, it is possible thereby to fit closely instrument always, ensures the effect of sealing.This
Sealing lip 520 is circular ring shape in example.The diaphragm seal 5 further includes radial flange 55, and 54 one end of sealed wall connects sealing lip 520
And the other end connects radial flange 55, it should be noted that sealed wall 54 includes circular ring shape wall part and conical wall portion, annulus
Shaped wall part point is connect with radial flange 55, and conical wall portion connection sealing lip 520 and circular ring shape wall part.Protruding portion 56 is set
It is placed in the distal face 540 of the conical wall portion of sealed wall and/or is set on proximal end face 542.As previously mentioned, on radial flange 55
Equipped with multiple apertures, in order to the installation of sealing membrane modules 42.In conjunction with shown in Fig. 6, Fig. 7, the axis of remote stomidium 52 is set as AB,
Whole diaphragm seal 5 is in back taper.In conjunction with shown in Fig. 8, sealed wall 54 includes the proximal end face 542 of proximally facing opening 50 and deviates from close
The distal face 540 of end opening 50, sealed wall 54 are equipped with multiple protruding portion 56, and the protruding portion 56 is proximally opened from remote stomidium 52
Mouth 50 radially extends, and the thickness of protruding portion 56 is more than the average thickness of sealed wall 54, and protruding portion 56 is set to sealed wall
It 54 distal face 540 and/or is set on proximal end face 542.The protruding portion 56 being set on sealed wall 54 so that sealed wall 54
Regional area thickness increases, and increases the axial extensional rigidity of diaphragm seal 5, reduces the actual contact between instrument and diaphragm seal 5
Area to reduce frictional resistance and reduce stick-slip, while also reducing the probability that 5 varus of diaphragm seal occurs.Protruding portion 56 can be with
It is set on proximal end face 542 and frictional resistance of the surgical instrument when being inserted into diaphragm seal 5 is reduced with emphasis, or be only arranged at distal end
Frictional resistance of the surgical instrument when detaching diaphragm seal 5 is reduced with emphasis on face 540；Or it can be as needed by distal end
Thickening part 56 is set simultaneously on face 540 and proximal end face 542, to reduce surgical instrument when being inserted into and detaching diaphragm seal 5 simultaneously
Frictional resistance and improvement stick-slip phenomenon；To meet the needs of different.
It is shown in Figure 8, it is the perspective outboard view of 5 first embodiment of diaphragm seal in the present invention, in the present embodiment,
Protruding portion 56 is line style reinforcing rib, and the thickness of the line style reinforcing rib is smaller.Multiple line style reinforcing ribs are evenly distributed on sealed wall
On 54, the number of line style reinforcing rib is N and 2≤N≤30, and the thickness of line style reinforcing rib is the 1- of 54 average thickness of sealed wall
2.5 again.
Fig. 9 is the perspective outboard view of diaphragm seal 5 in second embodiment of the invention, in the present embodiment, protruding portion 56
It is for the fan-shaped reinforcement face with first thickness, the central angle in the sector reinforcement face is α, and 5 °≤α≤60 °；Sealed wall
54 further include the covering of the fan with second thickness, and the first thickness is more than the second thickness.Further, the first thickness
More than the average thickness of the sealed wall 54, the second thickness is less than the average thickness of the sealed wall 54.In the present embodiment
In, which reinforces face interval arrangement with fan-shaped, can also be that covering of the fan is reinforced with fan-shaped in other implementations certainly
The number in face is arranged in the form of fixed proportion, for example sealed wall 54 includes the combination of L covering of the fan and fan-shaped reinforcement face, each
In combination, the ratio in covering of the fan and fan-shaped reinforcement face can be 2: 1,3: 1, even 6: 1.
In two embodiments provided by the invention, protruding portion 56 is proximally open 50 from the remote stomidium 52 of diaphragm seal 5
Extend, thickness is more than the average thickness of sealed wall 54, and protruding portion 56 is set to distal face 540 and/or is set to proximal end face 542
On.It is more than the protruding portion 56 of average thickness, the distal face 540 and/or proximal end face 542 and surgery of diaphragm seal 5 by the way that thickness is arranged
The contact area of instrument reduces so that surgical instruments is not easy to drive diaphragm seal 5 that varus occurs when detaching from sheath assembly 2, changes
It has been apt to stick-slip, has improved the operating comfort of the convenience and medical worker of instrument switching.It is appreciated that by embodiment party of the present invention
The diaphragm seal 5 that formula is provided is applied in the seal assembly of other forms, or the sealing group that embodiment of the present invention is provided
Part is applied in the puncture outfit of other forms, each falls in the scope of protection of present invention.
In this second embodiment, protruding portion 56 is the fan-shaped reinforcement face with first thickness.As a result of reinforce face,
And reinforcement face is set as fan-shaped, relative to the reinforcing rib in first embodiment, the area in fan-shaped reinforcement face, which is more than, to be reinforced
The area of muscle is effectively reduced the probability for puncturing and poking 5 lower thickness regions of diaphragm seal (i.e. covering of the fan) in core piercing process；Relatively
Reinforcing rib in first embodiment, the area in fan-shaped reinforcement face is more than the area of reinforcing rib, to 5 thinner thickness of diaphragm seal
Region occupied area ratio can be reduced, and the deformation of diaphragm seal 5 can be more uniform in piercing process.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (12)
1. a kind of diaphragm seal for puncture outfit, including proximal openings, remote stomidium and extend to proximal openings from remote stomidium
Sealed wall, the remote stomidium are formed by sealing lip, for accommodating the instrument being inserted into and forming hermetic seal；The sealed wall includes court
The proximal end face being proximally open and the distal face away from the proximal openings；It is characterized in that：The sealed wall is equipped with multiple
Protruding portion, the protruding portion radially extend from the remote stomidium to the proximal openings, and the thickness of the protruding portion is big
In the average thickness of the sealed wall, the protruding portion is set to the distal face and/or is set on the proximal end face.
2. the diaphragm seal according to claim 1 for puncture outfit, it is characterised in that：The protruding portion is reinforced for line style
Muscle.
3. the diaphragm seal according to claim 2 for puncture outfit, it is characterised in that：Multiple line style reinforcing ribs are uniform
It is distributed on the sealed wall.
4. the diaphragm seal according to claim 3 for puncture outfit, it is characterised in that：The number of the line style reinforcing rib is
N and 2≤N≤30.
5. the diaphragm seal according to claim 2 for puncture outfit, it is characterised in that：The thickness of the line style reinforcing rib is
1-2.5 times of sealed wall average thickness.
6. the diaphragm seal according to claim 1 for puncture outfit, it is characterised in that：The protruding portion is with the first thickness
The fan-shaped reinforcement face of degree, the first thickness are more than the average thickness of the sealed wall.
7. the diaphragm seal according to claim 6 for puncture outfit, it is characterised in that：The central angle in the sector reinforcement face
For α and 5 °≤α≤60 °.
8. the diaphragm seal according to claim 6 for puncture outfit, it is characterised in that：The sealed wall further includes having the
The covering of the fan of two thickness, the second thickness are less than the average thickness of the sealed wall.
9. the diaphragm seal according to claim 1 for puncture outfit, it is characterised in that：The diaphragm seal is back taper.
10. a kind of seal assembly of puncture outfit, the seal assembly include sealing membrane modules, it is characterised in that：The diaphragm seal
Component includes the diaphragm seal for puncture outfit as described in any one of claim 1-9 claim.
11. the seal assembly of puncture outfit according to claim 10, it is characterised in that：Under the sealing membrane modules further include
Fixed ring, middle fixed ring, protector and upper fixed ring, the diaphragm seal are sandwiched between the lower fixed ring and middle fixed ring,
The protector is sandwiched between the middle fixed ring and fixed ring.
12. a kind of puncture outfit, including sheath assembly and the puncture core that is removedly set in described sleeve pipe component, feature exist
In：Described sleeve pipe component includes the seal assembly of the puncture outfit as described in claim 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216813.8A CN108652712A (en) | 2017-04-01 | 2017-04-01 | Puncture outfit, seal assembly and the diaphragm seal for puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216813.8A CN108652712A (en) | 2017-04-01 | 2017-04-01 | Puncture outfit, seal assembly and the diaphragm seal for puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108652712A true CN108652712A (en) | 2018-10-16 |
Family
ID=63783972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216813.8A Pending CN108652712A (en) | 2017-04-01 | 2017-04-01 | Puncture outfit, seal assembly and the diaphragm seal for puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108652712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160469A1 (en) * | 2022-02-22 | 2023-08-31 | 上海微创医疗机器人（集团）股份有限公司 | Puncture apparatus and sealing structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827228A (en) * | 1991-10-18 | 1998-10-27 | Ethicon, Inc. | Seal members for surgical trocars |
| CN1692886A (en) * | 2004-03-31 | 2005-11-09 | 伊西康内外科公司 | Trocar seal assembly |
| EP1994894A1 (en) * | 2007-05-22 | 2008-11-26 | Tyco Healthcare Group LP | Access assembly with ribbed seal |
| EP2143392A2 (en) * | 2008-07-09 | 2010-01-13 | Aesculap AG | Surgical seal element holder for holding a surgical seal element and surgical sealing system |
-
2017
- 2017-04-01 CN CN201710216813.8A patent/CN108652712A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827228A (en) * | 1991-10-18 | 1998-10-27 | Ethicon, Inc. | Seal members for surgical trocars |
| CN1692886A (en) * | 2004-03-31 | 2005-11-09 | 伊西康内外科公司 | Trocar seal assembly |
| EP1994894A1 (en) * | 2007-05-22 | 2008-11-26 | Tyco Healthcare Group LP | Access assembly with ribbed seal |
| EP2143392A2 (en) * | 2008-07-09 | 2010-01-13 | Aesculap AG | Surgical seal element holder for holding a surgical seal element and surgical sealing system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160469A1 (en) * | 2022-02-22 | 2023-08-31 | 上海微创医疗机器人（集团）股份有限公司 | Puncture apparatus and sealing structure |
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Application publication date: 20181016 |
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