CN105832368A - Medical operating channel stent - Google Patents
Medical operating channel stent Download PDFInfo
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- CN105832368A CN105832368A CN201610152685.0A CN201610152685A CN105832368A CN 105832368 A CN105832368 A CN 105832368A CN 201610152685 A CN201610152685 A CN 201610152685A CN 105832368 A CN105832368 A CN 105832368A
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- expandable stent
- connecting portion
- medical operating
- walk way
- operating walk
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0003—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having an inflatable pocket filled with fluid, e.g. liquid or gas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0065—Additional features; Implant or prostheses properties not otherwise provided for telescopic
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
According to the embodiment, the invention discloses a medical operating channel stent, which comprises an expansible stent body which has a memory function, and a retractile film which is in contact with a human body; the retractile film covers the expansible stent body, wherein two ends of the expansible stent body are connected by virtue of a meshed connecting device, so that a cylindrical structure is formed; the connecting device comprises a fixed connecting piece, a first connecting part and a second connecting part; the first connecting part and the second connecting part are connected to two ends of the expansible stent body in an alternate mode; the side, away from the retractile film, of the first connecting part, is a wedged side; round holes are formed in the second connecting part; and the fixed connecting piece runs through the various round holes. The channel stent disclosed by the embodiment, after being implanted in the human body or pulled out of the human body, is adjustable in pipe diameter, so that the problems of operating difficulty and pain of a patient can be avoided.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of medical operating walk way support.
Background technology
The advantages such as minimally-invasive treatment is widely used clinically, and it is little that it has damage, and post-operative recovery is fast.And in minimally-invasive treatment mistake
Journey often need to set up operating walk way or the physiology expanding natural tract or pathologic stenosis by various medical apparatus and instruments, then pass through
The tracts such as the passage set up carry out minimally-invasive treatment.
At present, the clinical conventional method setting up operating walk way mainly has following two: a kind of for initially with puncture needle etc.
Apparatus punctures, further along puncture needle place different tube diameters fixing sheath pipe gradually expand, to be expanded to required greatly
After little, then operated, such as percutaneous renal puncture etc. by sheath pipe internal passage.Another kind of normal for the expansion of natural tract
Use method be first along tract insert a thin seal wire as guide thing, insert fixing caliber further along this root seal wire
Sheath pipe or the apparatus such as expandable stent, exit seal wire, passage has built, such as Ureteroscopy, intravascular stent etc..
But in Clinical practice, above method all has many deficiencies: uses fixing sheath pipe progressively to expand and not only operates
Numerous and diverse, and putting pipe, tube drawing process mesotheca pipe and puncture orifice surrounding tissue direct friction, cause bigger misery to patient；
During using fixing sheath enlargement of pipe for natural tract, the caliber of the fixing sheath pipe inserted is relatively big, the most significantly expands
Body cavities and tissue, cause bigger misery to patient；And use expandable stent that natural tract is carried out expansion and compare above
Method has clear superiority during putting pipe, but it is not drawn out easily after putting pipe, not only limits its range,
And owing to such as occurring that emergency situations can not be changed and will affect its safety after placing.
Summary of the invention
The embodiment of the present invention provides a kind of medical operating walk way support, with solve sheath pipe of the prior art inserting or
When extracting human body, maybe can not extract owing to caliber is unadjustable, cause operating difficulties and the problem of patient's misery.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme:
A kind of medical operating walk way support, including: have memory function expandable stent and for the returning of human contact
Contracting film, described retracted film is coated on described expandable stent, wherein,
The two ends of described expandable stent connect into cylindrical shape by the attachment means being meshed, and described attachment means includes solid
Determining connector, the first connecting portion and the second connecting portion, the described first connecting portion side away from described retracted film is set to wedge
Shape face, described second connecting portion is provided with circular hole, and described fixing connector runs through each described circular hole of connection；
Described first connecting portion and described second connecting portion are alternately connected to the two ends of described expandable stent, described expansible
Second connecting portion of support one end contacts with the lozenges of the first connecting portion of the other end, and described retracted film expands described
Open the force of periphery of support more than the frictional force between the lozenges of described second connecting portion and described first connecting portion.
Preferably, described expandable stent includes nick-eltitanium alloy stent.
Preferably, one end of described expandable stent connects described second connecting portion, and the other end of described expandable stent is even
Connect described first connecting portion and the second connecting portion being arranged alternately.
Preferably, described retracted film is coated on the interior outside of described expandable stent.
Preferably, described fixing connector includes connecting line, and described circular hole is arranged along described expandable stent radial direction,
Each described circular hole is run through connection in order by connecting line.
Preferably, described fixing connector includes pitman, and described circular hole is arranged along described expandable stent axial direction,
Each described circular hole is run through connection in order by pitman.
Preferably, described attachment means includes that nut wire fixer, described nut wire fixer are arranged at described expandable stent footpath
To the one end in direction, fix the described connecting line of connection.
Preferably, described expandable stent includes at least one ripple network.
Preferably, the end face diameter of described pitman is more than the diameter of the skeleton of described expandable stent.
Preferably, the inside and outside wall with the described retracted film of human contact is hydrophilic structure.
From above technical scheme, a kind of medical operating walk way support of the embodiment of the present invention, including: there is memory function
Expandable stent and for the retracted film of human contact, described retracted film is coated on described expandable stent, wherein,
The two ends of described expandable stent connect into cylindrical shape by the attachment means being meshed, and described attachment means includes fixing company
Fitting, the first connecting portion and the second connecting portion, the described first connecting portion side away from described retracted film is set to lozenges,
Described second connecting portion is provided with circular hole, and described fixing connector runs through each described circular hole of connection；Described first connecting portion
With the two ends that described second connecting portion is alternately connected to described expandable stent, second connection of described expandable stent one end
Portion contacts with the lozenges of the first connecting portion of the other end, and the force of periphery of described expandable stent is more than by described retracted film
Frictional force between the lozenges of described second connecting portion and described first connecting portion.
Use the expandable stent in the channel bracket of technique scheme to have memory function, identical with human body temperature or
Under close outdoor temperature, the shape of expandable stent is set, expandable stent is arranged to cylindrical shape；Less than human body
At a temperature of, described expandable stent is arranged to contraction-like, the caliber of expandable stent now is less than time cylindric.Make
Used time, first described channel bracket is inserted body cavity, owing to described expandable stent has memory function, when reaching human body
After Nei, compared to human body outside, temperature changes, and expandable stent, under the influence of human body temperature, returns to originally set
Fixed shape, expandable stent reverts to cylindrical shape, and retracted film is supported by expandable stent, and channel bracket fully opens,
Service aisle has been set up；When pulling out expandable stent, the connecting line on described expandable stent is extracted, described connection
The second connecting portion in device is arranged in the lozenges of described first connecting portion, and the elastical retraction mould outside support compels passage
Support resilience, the one end of the described expandable stent being connected with described second connecting portion under the effect of retracted film, start to
In crimp, the diameter of channel bracket reduces, and alleviates tube drawing resistance, beneficially tube drawing.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The first medical operating walk way support overall structure schematic diagram that Fig. 1 provides for the embodiment of the present invention；
The first medical crosscutting generalized section of operating walk way support that Fig. 2 provides for the embodiment of the present invention；
The first medical operating walk way support partial schematic diagram that Fig. 3 provides for the embodiment of the present invention；
Crosscutting generalized section during the first medical operating walk way stent collapses that Fig. 4 provides for the embodiment of the present invention；
Partial schematic diagram when Fig. 5 is not connected with for the first medical operating walk way support that the embodiment of the present invention provides；
Partial schematic diagram when Fig. 6 connects for the first medical operating walk way support that the embodiment of the present invention provides；
The second medical operating walk way support overall structure schematic diagram that Fig. 7 provides for the embodiment of the present invention；
The second medical operating walk way crosscutting generalized section of support that Fig. 8 provides for the embodiment of the present invention；
The second medical operating walk way support partial schematic diagram that Fig. 9 provides for the embodiment of the present invention；
The third medical crosscutting generalized section of operating walk way support that Figure 10 provides for the embodiment of the present invention；
The 4th kind of medical crosscutting generalized section of operating walk way support that Figure 11 provides for the embodiment of the present invention；
Fig. 1-Figure 11, symbol represents:
1-retracted film, 2-expandable stent, 3-attachment means, 31-fixes connector, 32 first connecting portions, 33-second
Connecting portion.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described reality
Executing example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise, all should belong to this
The scope of invention protection.
The invention provides a kind of medical operating walk way and set up support, by expansion and shrink form, reduce put pipe and
Misery that tissue is caused by tube drawing and the risk of damage, the use for sheath pipe provides safe and simple and extensively fits
The property used.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Bright it is described in further detail.
Embodiment one
Seeing Fig. 1, Fig. 2 and Fig. 3, the first medical operating walk way support that Fig. 1 provides for the embodiment of the present invention is overall
Structural representation, the first medical crosscutting generalized section of operating walk way support that Fig. 2 provides for the embodiment of the present invention；Figure
3 the first medical operating walk way support partial schematic diagram provided for the embodiment of the present invention.
Embodiments provide a kind of medical operating walk way support, including: there is the expandable stent 2 of memory function
With for the retracted film 1 with human contact, described retracted film 1 is coated on the interior outside of described expandable stent 2.
The two ends of described expandable stent 2 connect into cylindrical shape, described attachment means 3 by the attachment means 3 being meshed
Including fixing connector the 31, first connecting portion 32 and the second connecting portion 33, described first away from described retracted film 1 connects
Connecing side, portion 32 and be set to lozenges, described second connecting portion 33 is provided with circular hole, and described fixing connector 31 runs through even
Connect each described circular hole.
Described expandable stent 2 includes at least one ripple network, and the internal diameter of described ripple network is with described
The effect of expansion pipe increases, and described network is then by the ring staggered of both sides mesh skeleton extension and from bracket bottom
End extends to top.Described expandable stent 2 can be made up of Nitinol.
Nitinol is a kind of marmem, and marmem is can be by the plastic deformation of self in a certain specific temperature
The special alloy of original-shape it is automatically restored under degree.Its expansion and contraction is more than 20%, and fatigue life reaches 1*107, damping
Characteristic is higher than common spring 10 times, and its corrosion resistance is better than the most best medical stainless steel, therefore can meet all kinds of
Engineering and the application demand of medical science, be the most outstanding a kind of functional material.
Nitinol, in addition to having the shape memory function of uniqueness, also has wear-resistant, anticorrosive, high-damping and super-elasticity
Deng excellent characteristics.
Expandable stent 2 in the present invention is not restricted to above-mentioned Nitinol, every material with memory function,
And it is suitable for use as medical material.
In the present invention, the material of above-mentioned expandable stent 2 is a kind of implementation therein, but should not be by it
As the restriction of scope, those skilled in the art may select other material according to practical situation, and it all should
When falling under the scope of the present invention.
In the embodiment of the present invention, described second connecting portion 33 of one end connection of described expandable stent 2, described expansible
The other end of frame 2 connects described first connecting portion 32 and the second connecting portion 33 being arranged alternately, and is arranged so that described
When expandable stent 2 shrinks, the one end being only connected with described second connecting portion 33 is inwardly crimped contraction, it is to avoid described expand
When support 2 shrinks, cause the jam of expandable stent 2 owing to two ends intersect, cause situation about cannot shrink.
In the present embodiment, the circular hole on the second connecting portion 33 is arranged along the axial direction of described expandable stent 2, described
Fixing connector 31 is pitman, and each described circular hole is run through connection in order by pitman.In order to prevent described pitman from existing
Will not bend and be difficult to extract in process of expansion, the end face diameter of described pitman should be than described expandable stent 2
Mesh skeleton big.
The fixed form of above-mentioned expandable stent 2 is a kind of implementation therein, but should not be as this
The restriction of invention protection domain, those skilled in the art may select other fixed form according to practical situation, and it all should
Fall under the scope of the present invention.
Expandable stent 2 external diameter should be more slightly larger than described retracted film 1 internal diameter, buries in elastic retracted film 1, to ensure
During inserting, do not have described retracted film 1 come off, in order to the uniformity expanded and shrink.
Described retracted film 1 outer layer should be for water wetted material, it is ensured that support reduces friction during inserting, and alleviates patient
Painful.Retracted film 1 described in the embodiment of the present invention can use the elastomeric material of the favorable elasticities such as medical silica-gel film to make.
Before using, expandable stent 2 and retracted film 1 are combined closely, and are in contraction state, as shown in Figure 4, and Fig. 4
For the embodiment of the present invention provide the first medical operating walk way stent collapses time crosscutting generalized section.Described first even
Meeting portion 32 and the second connecting portion 33 is linked together by described pitman, the two ends of the most described expandable stent 2 are
Connecting, described expandable stent 2 is coated with by described retracted film 1.
The first medical operating walk way support that seeing Fig. 5 and Fig. 6, Fig. 5 provides for the embodiment of the present invention is not connected with the current political situation
Portion's schematic diagram；Partial schematic diagram when Fig. 6 connects for the first medical operating walk way support that the embodiment of the present invention provides；Institute
State the first connecting portion 32 and described second connecting portion 33 is alternately connected to the two ends of described expandable stent 2, described expand
The second connecting portion 33 opening support 2 one end contacts with the lozenges of the first connecting portion 32 of the other end.Described retracted film
The force of periphery of 1 pair of described expandable stent 2 is more than the lozenges of described second connecting portion 33 with described first connecting portion 32
Between frictional force.
Before using, under the outdoor temperature same or like with human body temperature, the shape of expandable stent 2 is set, can
Expandable stent 2 is arranged to cylindrical shape；Less than in the environment of human body temperature, it is arranged to described expandable stent 2 shrink
Shape, the caliber of expandable stent 2 now is less than time cylindric.
During use, first described channel bracket is inserted body cavity, owing to described expandable stent 2 has memory function, when
After reaching into the human body, compared to human body outside, temperature changes, and expandable stent 2 is under the influence of human body temperature, extensive
It is multiple that to the original shape set, expandable stent 2 reverts to cylindrical shape, and retracted film 1 is supported by expandable stent 2,
The force of periphery of described expandable stent 2 is more than the force of periphery of described retracted film 1, and the most described expandable stent 2 will not be because of institute
State the effect of retracted film 1 and compressed, cause expandable stent 2 to deform or the diameter of channel bracket diminishes, channel bracket
Fully opening, service aisle has been set up；When pulling out expandable stent 2, by the pitman on described expandable stent 2
Extracting, the second connecting portion 33 in described attachment means 3 is arranged in the lozenges of described first connecting portion 32, support
Outer elastic described retracted film 1 oppresses channel bracket resilience, described expansible be connected with described second connecting portion 33
One end of frame 2, under the effect of retracted film 1, starts to be inwardly crimped, and the diameter of channel bracket reduces, and alleviates tube drawing resistance,
It is beneficial to tube drawing.
The present invention compared to existing technology, manages by arranging expansion so that support enters body cavity when inserting with relatively loculus footpath,
Reduce the risk to tract damaging surrounding tissue during inserting；Slowly radial dilatation body cavities and tissue again after inserting,
Significantly reduce patient suffering；The compressing utilizing retracted film 1 bounces back, and reduces diameter when support is extracted, alleviates and pull out
Pipe resistance and the misery caused.
Embodiment two
As shown in Fig. 7, Fig. 8 and Fig. 9, the second medical operating walk way support that Fig. 7 provides for the embodiment of the present invention is whole
Body structural representation；The second medical operating walk way crosscutting generalized section of support that Fig. 8 provides for the embodiment of the present invention；
The second medical operating walk way support partial schematic diagram that Fig. 9 provides for the embodiment of the present invention.
The difference of this embodiment and embodiment one is in this embodiment the fixed form of the expandable stent 2 of employing not
With.Fixing connector 31 in the present embodiment is not to use pitman, but uses connecting line；On second connecting portion 33
Circular hole arrange along described expandable stent 2 radial direction, from top, orderly equally spaced arrangement combines to end,
And the end in described channel bracket has a nut wire fixer, described nut wire fixer to be arranged at described expandable stent 2
One end of radial direction, the described connecting line of fixing connection.Before use, there is a silk thread through each circular hole, by described
Expandable stent 2 is fixed as a complete structure, and uses wire fixer to be fixed by silk thread at end；Wait to extract described expansible
When support 2 and retracted film 1, turn on nut wire fixer, silk thread is decontroled one end and extracts silk thread out.Due to retracted film 1
Compressing, expandable stent 2 shrinkage crimping, caliber diminishes, and alleviates resistance, be beneficial to tube drawing when extracting.
The fixed form of above-mentioned expandable stent 2 is a kind of implementation therein, but should not be as this
The restriction of invention protection domain, those skilled in the art may select other fixed form according to practical situation, and it all should
Fall under the scope of the present invention.
Embodiment three
As shown in Figure 10, this embodiment difference compared with embodiment one is, the retracted film in the present embodiment is tight
Being wrapped in outside expandable stent 2, both are the most inter-adhesive, and expandable stent 2 uses dentation to combine, and utilizes attachment means
3 are connected, and use pitman to be fixed.Before use, described expandable stent 2 is fixed as overall knot by pitman
Structure；When extracting described expandable stent 2, pitman is extracted, now due to the compressing of retracted film 1, expansible
Frame 2 fracture retraction, in order to after contraction, resistance alleviates, and extracts retracted film 1 and expandable stent 2.For this embodiment,
We equally use the binding site identical with embodiment two, use silk thread to be fixed by expandable stent 2,
Silk thread can be dismantled when tube drawing, after contraction, remove support and retracted film 1.
Embodiment four
As shown in figure 11, this embodiment difference compared with embodiment three is, expansible in the present embodiment
Frame 2 uses multiple binding site, and this position all uses dentation to combine, and utilizes attachment means 3 to be connected, and uses pitman
It is fixed.Before use, described expandable stent 2 is fixed as overall structure by each pitman；Extract described can
During expandable stent 2, being extracted by each pitman, now due to the compressing of retracted film 1, expandable stent 2 fracture is scattered,
So that resistance alleviates after all parts takes out one by one or shrinks, extract retracted film 1 and expandable stent 2.Real for this
Executing example, we equally use the binding site identical with embodiment two, use silk thread to be combined by all parts,
Each silk thread put can be dismantled when tube drawing, take out one by one after contraction or whole removing is except support.
Visible, channel bracket of the present invention is in the memory function by expandable stent 2 after inserting body cavity, real
Now with the form expanded stent interior lumen of self expandable, it is to avoid when larger-diameter sheath pipe inserts body cavity by force, greatly
Amplitude expansion body cavities and the situation of tissue, correspondingly reduce the risk of outside expansion damage surrounding tissue, simultaneously
By the way of the most slowly expansion, expand body cavities and tissue alleviates patient's misery.
It should be noted that in this article, such as the relational terms of " first " and " second " or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or behaviour
Relation or the order of any this reality is there is between work.And, term " includes ", " comprising " or it is any
Other variants are intended to comprising of nonexcludability so that include the process of a series of key element, method, article or
Equipment not only includes those key elements, but also includes other key elements being not expressly set out, or also includes for this mistake
The key element that journey, method, article or equipment are intrinsic.In the case of there is no more restriction, statement " include one
It is individual ... " key element that limits, it is not excluded that there is also in including the process of described key element, method, article or equipment
Other identical element.
The above is only the detailed description of the invention of the present invention, makes to skilled artisans appreciate that or realize the present invention.
Multiple amendment to these embodiments will be apparent to one skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, this
The bright the embodiments shown herein that is not intended to be limited to, and be to fit to and principles disclosed herein and features of novelty
The widest consistent scope.
Claims (10)
1. a medical operating walk way support, it is characterised in that including: there is the expandable stent (2) of memory function
With for the retracted film (1) with human contact, described retracted film (1) is coated on described expandable stent (2), its
In,
The two ends of described expandable stent (2) connect into cylindrical shape, described connection by the attachment means (3) being meshed
Device (3) includes fixing connector (31), the first connecting portion (32) and the second connecting portion (33), away from described retraction
Described first connecting portion (32) side of film (1) is set to lozenges, and described second connecting portion (33) is provided with circular hole,
Described fixing connector (31) runs through each described circular hole of connection；
Described first connecting portion (32) and described second connecting portion (33) are alternately connected to described expandable stent (2)
The wedge of two ends, second connecting portion (33) of described expandable stent (2) one end and first connecting portion (32) of the other end
Shape face contacts, described retracted film to the force of periphery of described expandable stent (2) more than described second connecting portion (33) with
Frictional force between the lozenges of described first connecting portion (32).
Medical operating walk way support the most according to claim 1, it is characterised in that described expandable stent (2)
Including nick-eltitanium alloy stent.
Medical operating walk way support the most according to claim 1, it is characterised in that described expandable stent (2)
One end connect described second connecting portion (33), the other end of described expandable stent (2) connects be arranged alternately described
First connecting portion (32) and the second connecting portion (33).
Medical operating walk way support the most according to claim 1, it is characterised in that described retracted film (1) is coated with
Interior outside in described expandable stent (2).
Medical operating walk way support the most according to claim 1, it is characterised in that described fixing connector (31)
Including connecting line, described circular hole is arranged along described expandable stent (2) radial direction, and each described circular hole is had by connecting line
Sequential wear connection.
Medical operating walk way support the most according to claim 1, it is characterised in that described fixing connector (31)
Including pitman, described circular hole is arranged along described expandable stent (2) axial direction, and each described circular hole is had by pitman
Sequential wear connection.
Medical operating walk way support the most according to claim 5, it is characterised in that described attachment means (3) is wrapped
Including nut wire fixer, described nut wire fixer is arranged at one end of described expandable stent (2) radial direction, fixing connection
Described connecting line.
Medical operating walk way support the most according to claim 1, it is characterised in that described expandable stent (2)
Including at least one ripple network.
Medical operating walk way support the most according to claim 6, it is characterised in that the end face diameter of described pitman
Diameter more than the skeleton of described expandable stent (2).
Medical operating walk way support the most according to claim 1, it is characterised in that return with described in human contact
The inside and outside wall of contracting film (1) is hydrophilic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152685.0A CN105832368B (en) | 2016-03-17 | 2016-03-17 | A kind of medical operating walk way holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152685.0A CN105832368B (en) | 2016-03-17 | 2016-03-17 | A kind of medical operating walk way holder |
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| CN106108962A (en) * | 2016-08-03 | 2016-11-16 | 湖南省肿瘤医院 | The comprehensive drawing means for brain tissue of scalable |
| CN109512546A (en) * | 2018-09-29 | 2019-03-26 | 北京航空航天大学 | Overlay film frame and preparation method thereof |
| CN111249032A (en) * | 2020-01-18 | 2020-06-09 | 中国人民解放军陆军军医大学第一附属医院 | Abdominal artery remodeling device |
| CN111481326A (en) * | 2019-01-27 | 2020-08-04 | 郑州大学第一附属医院 | Intravascular adjustable interventional stent and use method thereof |
| CN112932623A (en) * | 2021-01-26 | 2021-06-11 | 北京臻悦医疗美容诊所有限公司 | Incision protector in skin-drawing operation |
| CN113367835A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | Adjustable aorta medical support |
| CN113367837A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | General aorta bracket for medical treatment |
| WO2021217566A1 (en) * | 2020-04-30 | 2021-11-04 | 上海英诺伟医疗器械有限公司 | Sheath, and surgical assembly and use method therefor |
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| CN106108962A (en) * | 2016-08-03 | 2016-11-16 | 湖南省肿瘤医院 | The comprehensive drawing means for brain tissue of scalable |
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| CN109512546A (en) * | 2018-09-29 | 2019-03-26 | 北京航空航天大学 | Overlay film frame and preparation method thereof |
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| CN111481326A (en) * | 2019-01-27 | 2020-08-04 | 郑州大学第一附属医院 | Intravascular adjustable interventional stent and use method thereof |
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| WO2021217566A1 (en) * | 2020-04-30 | 2021-11-04 | 上海英诺伟医疗器械有限公司 | Sheath, and surgical assembly and use method therefor |
| CN112932623A (en) * | 2021-01-26 | 2021-06-11 | 北京臻悦医疗美容诊所有限公司 | Incision protector in skin-drawing operation |
| CN113367835A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | Adjustable aorta medical support |
| CN113367837A (en) * | 2021-05-18 | 2021-09-10 | 罗文达 | General aorta bracket for medical treatment |
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| CN105832368B (en) | 2018-07-31 |
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