CN107334517A - Sealing shroud and there is its puncture outfit - Google Patents
Sealing shroud and there is its puncture outfit Download PDFInfo
- Publication number
- CN107334517A CN107334517A CN201611270690.8A CN201611270690A CN107334517A CN 107334517 A CN107334517 A CN 107334517A CN 201611270690 A CN201611270690 A CN 201611270690A CN 107334517 A CN107334517 A CN 107334517A
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- China
- Prior art keywords
- sealing
- sealed cylinder
- isolation channel
- sealing shroud
- installation chimb
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
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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)
- 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)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention discloses a kind of sealing shroud and has its puncture outfit, wherein, sealing shroud includes：Seal body and installation chimb；The seal body includes：Sealed cylinder and some sealing flaps, the sealed cylinder has upper end open and lower ending opening, the installation chimb is located on the lateral surface of the sealed cylinder, the first isolation channel is provided with the sealed cylinder, first isolation channel is along the circumferentially disposed of the sealed cylinder, the second isolation channel is provided with the installation chimb, second isolation channel is circumferentially disposed along the installation chimb；The upper end of some sealing flaps is connected with the edge of the lower ending opening of the sealed cylinder, and the lower edge of some sealing flaps is abutted or separated so that the lower ending opening of the sealed cylinder is selectively opened or closes.The present invention on sealed cylinder and installation chimb by setting isolation channel, in this way, overcoming the problem of installation chimb limitation sealing flap freely closes, improves the sealing of sealing shroud.
Description
Technical field
The present invention relates to technical field of medical instruments, wearing in particular to a kind of sealing shroud and with the sealing shroud
Pierce device.
Background technology
Checked in abdominal cavity, in abdominal operation and other minimally invasive or surgical operations, puncture outfit is essential operating theater instruments.
Puncture outfit can be established in the stomach wall of human body enters passage, (such as endoscope, to be cut for stapler or other operating theater instruments
Knife, seal wire, conduit, filter, support etc.) enter passage intraperitoneal, and that gas disengaging is provided, with the gas needed for control operation
Abdomen, to be checked or operation technique.The puncture outfit includes puncturing core bar and puncture cannula, and the puncture cannula forms institute
State and enter passage.Seal assembly is provided with the puncture cannula, the seal assembly can avoid operating theater instruments from entering patient's abdomen
Chamber and gas leakage occurs during to abdominal cavity of patients's aeration, the seal assembly includes sealing shroud and sealing gasket.
When invasive anastomat medical operating starts, doctor is general first to scratch a small otch in patient abdomen, then will wear
Moved down while the small otch that the summit alignment of barbed end is scratched or so reciprocating rotation, puncture outfit makes puncture cannula pass through patient
Belly cortex.After the completion of puncture, the puncture core bar of puncture outfit is extracted, so as to which puncture cannula enters patient's abdomen as operating theater instruments
Chamber and the passage to abdominal cavity of patients's aeration.
As shown in figure 1, the sealing shroud 1 ' in the sealing device of existing puncture outfit includes：Seal body 10 ' and installation are convex
Side 20 '.Wherein, the seal body 10 ' includes the potted component 11 ' to seal, and the potted component 11 ' is alternative
Open or close.The sealing shroud 1 ' is installed in the puncture cannula by the installation chimb 20 ', the puncture cannula pressure
The tight installation chimb 20 ', so as to realize that the fastening of the sealing shroud 1 ' is installed.
However, when being extracted in the passage that puncture core bar, stapler or other operating theater instruments are established from puncture outfit, by institute
State installation chimb 20 ' to be compacted, in this way, based on the related effect between the seal body 10 ' and installation chimb 20 ', institute
Installation chimb 20 ' is stated while be compacted, the closing motion of the potted component 11 ' of the seal body 10 ' will also be limited, such as
This causes the potted component 11 ' can not recover to original state, and then tight closure.Further, since the sealing shroud 1 '
The elastic restoring force of potted component 11 ' is relatively small, is built when puncturing core bar, stapler or other operating theater instruments from puncture outfit
When being extracted in vertical passage, further such that the potted component 11 ' can not tight closure.
Therefore, in view of the above-mentioned problems, being necessary to propose further solution.
The content of the invention
In view of the shortcomings of the prior art, the present invention is intended to provide a kind of sealing shroud and with the sealing shroud puncture outfit, with
Overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of sealing shroud, including：Seal body and installation chimb；
The seal body includes：Sealed cylinder and some sealing flaps, the sealed cylinder have upper end open with
End opening, the installation chimb are located on the lateral surface of the sealed cylinder, and the first isolation channel is provided with the sealed cylinder,
First isolation channel is provided with the second isolation channel along the circumferentially disposed of the sealed cylinder on the installation chimb, and described the
Two isolation channels are circumferentially disposed along the installation chimb；
The upper end of some sealing flaps is connected with the edge of the lower ending opening of the sealed cylinder, if the dry seal
The lower edge of valve is abutted or separated so that the lower ending opening of the sealed cylinder is selectively opened or closes.
As the present invention sealing shroud improvement, first isolation channel be located at the sealed cylinder lateral surface and/or
Medial surface；Second isolation channel is positioned at the upper surface and/or lower surface of the installation chimb.
As the improvement of the sealing shroud of the present invention, when first isolation channel is located at the lateral surface of the sealed cylinder, institute
The first isolation channel is stated against the lower surface of the installation chimb；First isolation channel is located at the medial surface of the sealed cylinder
When, upper end open of first isolation channel close to the sealed cylinder；Second isolation channel is diametrically close to described close
The lateral surface of sealed tube body.
As the improvement of the sealing shroud of the present invention, first isolation channel is along the circumferentially continuous of the sealed cylinder or is spaced
Set.
As the improvement of the sealing shroud of the present invention, circumferentially continuous or interval of second isolation channel along the installation chimb
Set.
As the improvement of the sealing shroud of the present invention, any sealing flap has top surface and bottom surface, and the bottom surface offers
Aid in closed slots.
As the improvement of the sealing shroud of the present invention, in any sealing flap, the auxiliary closed slots is located at the sealing
The centre position of valve.
As the improvement of the sealing shroud of the present invention, the auxiliary closed slots is V-shaped groove.
As the improvement of the sealing shroud of the present invention, some bulge-structures are additionally provided with the lateral surface of the sealed cylinder.
As the improvement of the sealing shroud of the present invention, the quantity of the sealing flap is two, and two sealing flaps are symmetrical arranged.
As the improvement of the sealing shroud of the present invention, the quantity of the sealing flap is three, the lower end of three sealing flaps
Edge can abut, and be in Y-shaped, or the quantity of the sealing flap is four, and the lower edge of four sealing flaps is mutual
Coordinate, and in cross.
For achieving the above object, the present invention provides a kind of puncture outfit for including sealing shroud as described above, described to wear
Piercing device includes puncturing core bar and puncture cannula, seal assembly is provided with the puncture cannula, the seal assembly includes described
Sealing shroud.
Compared with prior art, the beneficial effects of the invention are as follows：The sealing shroud of the present invention passes through in sealed cylinder and installation
Isolation channel is set on chimb, overcomes the problem of installation chimb limitation sealing flap freely closes, improves the sealing of sealing shroud.
In addition, the sealing shroud of the present invention is advantageous to puncture core bar, stapler by opening up auxiliary closed slots in the bottom surface of the sealing flap
Or other operating theater instruments extract after the sealing flap closure.
Brief description of the drawings
Fig. 1 is the schematic perspective view of existing sealing shroud；
Fig. 2 is the schematic perspective view of an embodiment of the sealing shroud of the present invention；
Fig. 3 is the schematic perspective view of another angle of an embodiment of the sealing shroud of the present invention；
Fig. 4 is the perspective exploded view of existing puncture cannula.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axle
To ", " radial direction ", " circumference ", the orientation of the instruction such as " reciprocal " or position relationship be based on orientation shown in the drawings or position relationship,
Be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " be meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, without being understood that
For limitation of the present invention.Each technical scheme of the present invention is described in detail with reference to specific embodiment.
As shown in Fig. 2 the sealing shroud 1 of the present invention includes：Seal body 10 and installation chimb 20.Wherein, the installation
Chimb 20 is used to realize that installation of the sealing shroud 1 in puncture outfit is fixed.Specifically, installation chimb 20 is located at the outer of sealed cylinder 11
On side 112, install and be further opened with some mounting holes 21 on chimb 20.Preferably, it is along sealed cylinder 11 to install chimb 20
The loop configuration of the circumferentially continuous setting of lateral surface 112.Seal body 10 is integrally formed with installation chimb 20, i.e. the sealing
Set 1 is integral type structure, and the mode that is integrally formed can be injection etc..In another embodiment, seal body 10 and installation
Chimb 20 is connected, and the concrete mode of the connection is common mode in the art, is such as bonded, melts and engages.
Seal body 10 includes：Sealed cylinder 11 and some sealing flaps 12.Wherein, the insertion of sealed cylinder 11 is set, and
Sealed cylinder 11 has upper end open and lower ending opening, and the upper end of some sealing flaps 12 is connected with the lower ending opening of sealed cylinder 11
Connect, the lower ending opening realizes selectively opened or closure by some sealing flaps 12.It is it should be noted that referred to herein
" upper end " and " lower end " be using puncture outfit puncture core bar puncture direction as reference direction, i.e. by " upper end " sensing " under
The direction at end " is the puncture direction for puncturing core bar.Similarly, following " on ", " under " using the puncture direction of the puncture core bar as
Reference direction.In addition, the puncture direction for puncturing core bar refers to, the direction pointed by the tip for puncturing core bar.
Specifically, when insertion punctures core bar, stapler or during other operating theater instruments, puncture core bar, stapler or other
Under the active force that operating theater instruments applies, some sealing flaps 12 are separated from each other, and so as to which lower ending opening is opened, puncture cannula is internally formed
The passage for being available for gas to circulate.Now, the lower edge of some sealing flaps 12 punctures core bar, stapler or other operations with insertion
Apparatus is fitted close, and is sealed.Puncture core bar, stapler or during other operating theater instruments when extracting, puncture core bar, stapler or
The active force that other operating theater instruments apply disappears, and some sealing flaps 12 are under natural resiliency restoring force and the effect of gas shock power
Automatic closure.Now, the lower edge of some sealing flaps 12 cooperates, and the lower ending opening of sealed cylinder 11 is by some close
Sphragis 12 is closed, and the air-flow of some top and bottom of sealing flap 12 can not circulate, so as to realize between human abdominal cavity and external environment condition
Sealing.
Further, in above-mentioned embodiment, for the ease of the automatic closure of some sealing flaps 12, and well close is formed
Seal, the first isolation channel 110, week of first isolation channel 110 along the sealed cylinder 11 are provided with the sealed cylinder 11
To setting, the second isolation channel 22 is provided with the installation chimb 20, second isolation channel 22 is along the installation chimb 20
It is circumferentially disposed.First isolation channel 110 is along the circumferentially continuous of the sealed cylinder 11 or is arranged at intervals；Second isolation channel
22 install the circumferentially continuous of chimb 20 or interval setting along described.Preferably, first isolation channel 110 is along the sealed cylinder
11 circumferentially continuous setting；Circumferentially continuous setting of second isolation channel 22 along the installation chimb 20.
Wherein, first isolation channel 110 is located at the lateral surface 112 and/or medial surface 113 of the sealed cylinder 11；Institute
The second isolation channel 22 is stated positioned at the upper surface 23 and/or lower surface 24 of the installation chimb 20.So as to according to the described first isolation
The difference of the position of 110 and second isolation channel of groove 22, the isolation channel 22 of the first isolation channel 110 and second have nine kinds of combination sides
Formula, i.e.,：
(1) first isolation channel 110 is located at the lateral surface 112 of the sealed cylinder 11；Second isolation channel 22
In the upper surface 23 of the installation chimb 20.
(2) first isolation channel 110 is located at the lateral surface 112 of the sealed cylinder 11；Second isolation channel 22
In the lower surface 24 of the installation chimb 20.
(3) first isolation channel 110 is located at the medial surface 113 of the sealed cylinder 11；Second isolation channel 22
In the upper surface 23 of the installation chimb 20.
(4) first isolation channel 110 is located at the medial surface 113 of the sealed cylinder 11；Second isolation channel 22
In the lower surface 24 of the installation chimb 20.
(5) first isolation channel 110 is located at the lateral surface 112 and medial surface 113 of the sealed cylinder 11；Described second
Isolation channel 22 is positioned at the upper surface 23 of the installation chimb 20.
(6) first isolation channel 110 is located at the lateral surface 112 and medial surface 113 of the sealed cylinder 11；Described second
Isolation channel 22 is positioned at the lower surface 24 of the installation chimb 20.
(7) first isolation channel 110 is located at the lateral surface 112 of the sealed cylinder 11；Second isolation channel 22
In the upper surface 23 and lower surface 24 of the installation chimb 20.
(8) first isolation channel 110 is located at the medial surface 113 of the sealed cylinder 11；Second isolation channel 22
In the upper surface 23 and lower surface 24 of the installation chimb 20.
(9) first isolation channel 110 is located at the lateral surface 112 and medial surface 113 of the sealed cylinder 11；Described second
Isolation channel 22 is positioned at the upper surface 23 and lower surface 24 of the installation chimb 20.
Due to the related effect between the sealed cylinder 11 and installation chimb 20, so as to be pacified in installation chimb 20
While dress compresses, the motion for the sealing flap 12 being connected with the sealed cylinder 11 will also be limited.So as to by setting
The isolation channel 22 of the first isolation channel 110 and second is put, is advantageous to release the installation chimb 20 and the sealing flap 12 is moved
Limitation, so as to be advantageous to the automatic closure of some sealing flaps 12, improve the sealing of sealing shroud.
The shape of the isolation channel 22 of first isolation channel 110 and second can carry out adaptability design as needed, for example, institute
The cross sectional shape for stating the first isolation channel 110 and the second isolation channel 22 can be U-lag, V-shaped groove, rectangular channel etc., as long as that is, can
The isolation moat structure that the installation chimb 20 moves limitation to the sealing flap 12 is released, belongs to the inventive concept in the present invention
The lower technical scheme obtained of enlightenment, belong to the alternate embodiments of isolation channel of the present invention.
In order that obtaining the isolation channel 22 has preferable isolation effect, first isolation channel 110 is located at the sealing
During the lateral surface 112 of cylinder 11, first isolation channel 110 is against the lower surface 24 of the installation chimb 20；Described first every
When being located at the medial surface 113 of the sealed cylinder 110 from groove 110, first isolation channel 22 is close to the sealed cylinder 11
Upper end open；Second isolation channel 22 is diametrically close to the lateral surface 112 of the sealed cylinder 11.It is arranged such, isolates
Groove releases above-mentioned installation chimb 20 to the sealing flap closer to sealed cylinder 11 and the link position of installation chimb 20
The limitation of 12 motions, so as to be advantageous to freely closing for the sealing flap 12.
As shown in Fig. 2 by taking combinations thereof (3) as an example, now, the first isolation channel 110 is located at the interior of the sealed cylinder 11
Side 113, second isolation channel 22 is positioned at the upper surface 23 of the installation chimb 20.Wherein, the edge of the first isolation channel 110
The circumferentially continuous setting of the sealed cylinder 11；Circumferentially continuous setting of second isolation channel 22 along the installation chimb 20.
Meanwhile first isolation channel 22, close to the upper end open of the sealed cylinder 11, second isolation channel 22 is close to described close
The lateral surface 112 of sealed tube body 11.
As shown in figure 3, further, some bulge-structures are additionally provided with the lateral surface 112 of the sealed cylinder 11
111.When the sealing shroud 1 of the present invention is installed in puncture cannula, some bulge-structures 111 offset with the puncture cannula
Lean on, power, some raised knots are acted to some bulge-structures 111 against, the puncture cannula by the two
The active force that structure 111 is subject to is transferred on the sealed cylinder 11.So as to described under the drive for the active force being subject to
Sealed cylinder 11 is further driven to some sealing flaps 12 and closed.
As shown in figure 4, as a kind of embodiment, the puncture cannula 2 includes socket case 201 and is connected to described
Pipe sheath 202 in socket case 201, wherein, end cap 203, described sleeve pipe housing 201 are additionally provided with described sleeve pipe housing 201
It is connected with the end cap 203 by the convex tendon 211 inside described sleeve pipe housing 201.The 202 hollow setting of pipe sheath,
The pipe sheath 202 is connected with described sleeve pipe housing 201.The sealing shroud 1 of the present invention is installed on inside described sleeve pipe housing 201,
In order that obtaining the bulge-structure 111 of the sealing shroud 1 can be adapted with the interior shape of described sleeve pipe housing 201, it is described any
The side profile of the bulge-structure 111 is M shapes, and M shapes bulge-structure 111 leans with the convex tendon 211, the convex tendon
211 are partially housed in the depression of the M shapes bulge-structure 111.Meanwhile M shapes bulge-structure 111 be also beneficial to avoid with it is described
Mounting hole 21 interferes.
As shown in figure 3, in addition, for the ease of puncturing some sealing flaps after core bar, stapler or other operating theater instruments are extracted
12 automatic closure, it is further opened with the sealing flap 12 of sealing shroud 1 of the invention aiding in closed slots 121.Specifically, any sealing
Valve 12 has top surface and bottom surface, and the bottom surface of sealing flap 12 offers auxiliary closed slots 121, and auxiliary closed slots 121 seals from place
The upper end of the bottom surface of valve 12 extends to the lower end of sealing flap.Closed slots 121 is aided in by setting, increases the face of the bottom surface of sealing flap 12
Product, in this way, when puncturing core bar, stapler or the extraction of other operating theater instruments, the gas of perfusion can be with sealing in abdominal cavity of patients
The bottom surface of valve 12 fully acts on so that sealing flap 12 can close automatically, and form good sealing, and puncture cannula is effectively ensured
The sealing of the passage of formation, avoid the generation of leakage problem.
Further, because auxiliary closed slots 121 is hollowly arranged on the bottom surface of sealing flap 12, sealing flap 12 is being recovered
During to closure state, auxiliary closed slots 121 can produce the elastic restoring force of indent, so as to closing for auxiliary seal valve 12
Close.In order that it can be that sealing flap 12 provide elastic restoring force symmetrically that must aid in closed slots 121, closed slots is aided in
121 are located at the centre position of sealing flap 12, and preferably, auxiliary closed slots 12 is V-shaped groove.
The quantity of sealing flap 12 can be two, three, four, may also set up greater number of sealing flap as needed
12.When sealing flap 12 is two, two sealing flaps 12 are symmetrical arranged.Alternately, the quantity of the sealing flap 12 is three
When, the lower edge of three sealing flaps 12 cooperates, and the lower edge of three sealing flaps 12 is in Y-shaped.Alternately, institute
When the quantity for stating sealing flap 12 is four, the lower edge of four sealing flaps 12 cooperates, and the lower end of four sealing flaps 12
Edge is in cross.It should be noted that in other embodiments, the quantity of sealing flap 12 can be arranged to big as needed
In four, the quantity of sealing flap 12 and be connected with each other mode and can also be varied as desired in, active force when can meeting puncture and
Sealing, herein without illustrating.
Based on sealing shroud 1 as described above, the present invention also provides a kind of puncture outfit, the puncture outfit include puncturing core bar and
Puncture cannula, the puncture core bar are pluggable in the puncture cannula.The puncture cannula forms human abdominal cavity and outside
Between passage, the puncture cannula may be guided from the otch of human abdomen insertion human abdominal cavity in the core bar that punctures.It is described to wear
Seal assembly is provided with thorn sleeve pipe, the seal assembly includes sealing shroud 1 as described above.
In summary, sealing shroud 1 of the invention and with its puncture outfit by sealed cylinder medial surface set every
From groove, overcome installation chimb 20 and limit the problem of sealing flap 12 freely closes, improve the sealing of sealing shroud 1.In addition, this
The sealing shroud 1 of invention by opening up auxiliary closed slots in the bottom surface of the sealing flap, be advantageous to puncture core bar, stapler or other
The automatic closure of the sealing flap after operating theater instruments is extracted.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly 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 are directly over second feature or oblique upper, 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 immediately below second feature or obliquely downward, 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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (12)
1. a kind of sealing shroud, including：Seal body and installation chimb；It is characterized in that：
The seal body includes：There is upper end open and lower end to open for sealed cylinder and some sealing flaps, the sealed cylinder
Mouthful, the installation chimb is located on the lateral surface of the sealed cylinder, and the first isolation channel is provided with the sealed cylinder, described
First isolation channel is circumferentially disposed along the sealed cylinder, and the second isolation channel is provided with the installation chimb, described second every
The circumferentially disposed of chimb is installed along described from groove；
The upper end of some sealing flaps is connected with the edge of the lower ending opening of the sealed cylinder, some sealing flaps
Lower edge is abutted or separated so that the lower ending opening of the sealed cylinder is selectively opened or closes.
2. sealing shroud according to claim 1, it is characterised in that first isolation channel is located at the outer of the sealed cylinder
Side and/or medial surface；Second isolation channel is positioned at the upper surface and/or lower surface of the installation chimb.
3. sealing shroud according to claim 1, it is characterised in that first isolation channel is located at the outer of the sealed cylinder
During side, first isolation channel is against the lower surface of the installation chimb；First isolation channel is located at the sealed cylinder
Medial surface when, upper end open of first isolation channel close to the sealed cylinder；Second isolation channel diametrically leans on
The lateral surface of the nearly sealed cylinder.
4. sealing shroud according to claim 1, it is characterised in that circumference of first isolation channel along the sealed cylinder
Continuous or interval setting.
5. sealing shroud according to claim 1, it is characterised in that circumference of second isolation channel along the installation chimb
Continuous or interval setting.
6. sealing shroud according to claim 1, it is characterised in that any sealing flap has top surface and bottom surface, described
Bottom surface offers auxiliary closed slots.
7. sealing shroud according to claim 6, it is characterised in that in any sealing flap, the auxiliary closed slots position
In the centre position of the sealing flap.
8. the sealing shroud according to claim 6 or 7, it is characterised in that the auxiliary closed slots is V-shaped groove.
9. sealing shroud according to claim 1, it is characterised in that be additionally provided with the lateral surface of the sealed cylinder some
Bulge-structure.
10. sealing shroud according to claim 1, it is characterised in that the quantity of the sealing flap is two, two sealing flaps
It is symmetrical arranged.
11. sealing shroud according to claim 1, it is characterised in that the quantity of the sealing flap is three, and three described close
The lower edge of sphragis can abut, and be in Y-shaped, or the quantity of the sealing flap is four, under four sealing flaps
End margin cooperates, and in cross.
12. a kind of puncture outfit of the sealing shroud including as described in 1 to 11 any one of power, it is characterised in that the puncture outfit includes
Core bar and puncture cannula are punctured, is provided with seal assembly in the puncture cannula, the seal assembly includes the sealing shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611270690.8A CN107334517B (en) | 2016-12-30 | 2016-12-30 | Seal cover and puncture outfit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611270690.8A CN107334517B (en) | 2016-12-30 | 2016-12-30 | Seal cover and puncture outfit with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107334517A true CN107334517A (en) | 2017-11-10 |
| CN107334517B CN107334517B (en) | 2020-12-15 |
Family
ID=60222329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611270690.8A Active CN107334517B (en) | 2016-12-30 | 2016-12-30 | Seal cover and puncture outfit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107334517B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734150Y (en) * | 2004-09-06 | 2005-10-19 | 佛山特种医用导管有限责任公司 | Puncture trocar for laparoscope operation |
| CN200970257Y (en) * | 2006-11-22 | 2007-11-07 | 申屠裕华 | Disposable puncture device with protection |
| US20090076323A1 (en) * | 2005-03-31 | 2009-03-19 | Tyco Healthcare Group Lp | Optical obturator |
| CN102652688A (en) * | 2011-03-03 | 2012-09-05 | 周星 | Radial universal seal device for puncture outfit, as well as puncture outfit |
| CN203303121U (en) * | 2013-05-29 | 2013-11-27 | 杭州康基医疗器械有限公司 | Multifunctional external sealing device for medical surgery puncture device |
| CN104095672A (en) * | 2013-04-15 | 2014-10-15 | 广州迪克医疗器械有限公司 | Universal sealing ring and puncture device |
| CN105050541A (en) * | 2012-12-19 | 2015-11-11 | W.L.戈尔及同仁股份有限公司 | Method and apparatus for performing communication in wireless communication system |
| CN105209106A (en) * | 2013-03-15 | 2015-12-30 | 直观外科手术操作公司 | Sealing multiple surgical instruments |
| CN205359579U (en) * | 2015-12-02 | 2016-07-06 | 广州迪克医疗器械有限公司 | A sealing washer is taken off in antiskid and puncture ware sheath is managed and puncture ware for $puncturing ware |
| CN105982704A (en) * | 2016-07-05 | 2016-10-05 | 江苏风和医疗器材有限公司 | Seal cartridge and puncture outfit with same |
| CN105997205A (en) * | 2016-08-02 | 2016-10-12 | 成都五义医疗科技有限公司 | Puncture outfit sealing membrane comprising forward and reverse grooves, and assembly |
-
2016
- 2016-12-30 CN CN201611270690.8A patent/CN107334517B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734150Y (en) * | 2004-09-06 | 2005-10-19 | 佛山特种医用导管有限责任公司 | Puncture trocar for laparoscope operation |
| US20090076323A1 (en) * | 2005-03-31 | 2009-03-19 | Tyco Healthcare Group Lp | Optical obturator |
| CN200970257Y (en) * | 2006-11-22 | 2007-11-07 | 申屠裕华 | Disposable puncture device with protection |
| CN102652688A (en) * | 2011-03-03 | 2012-09-05 | 周星 | Radial universal seal device for puncture outfit, as well as puncture outfit |
| CN105050541A (en) * | 2012-12-19 | 2015-11-11 | W.L.戈尔及同仁股份有限公司 | Method and apparatus for performing communication in wireless communication system |
| CN105209106A (en) * | 2013-03-15 | 2015-12-30 | 直观外科手术操作公司 | Sealing multiple surgical instruments |
| CN104095672A (en) * | 2013-04-15 | 2014-10-15 | 广州迪克医疗器械有限公司 | Universal sealing ring and puncture device |
| CN203303121U (en) * | 2013-05-29 | 2013-11-27 | 杭州康基医疗器械有限公司 | Multifunctional external sealing device for medical surgery puncture device |
| CN205359579U (en) * | 2015-12-02 | 2016-07-06 | 广州迪克医疗器械有限公司 | A sealing washer is taken off in antiskid and puncture ware sheath is managed and puncture ware for $puncturing ware |
| CN105982704A (en) * | 2016-07-05 | 2016-10-05 | 江苏风和医疗器材有限公司 | Seal cartridge and puncture outfit with same |
| CN105997205A (en) * | 2016-08-02 | 2016-10-12 | 成都五义医疗科技有限公司 | Puncture outfit sealing membrane comprising forward and reverse grooves, and assembly |
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|---|---|
| CN107334517B (en) | 2020-12-15 |
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