CN110448395A - A kind of airway stent using parallelogram principle enhancing support force - Google Patents
A kind of airway stent using parallelogram principle enhancing support force Download PDFInfo
- Publication number
- CN110448395A CN110448395A CN201910719050.8A CN201910719050A CN110448395A CN 110448395 A CN110448395 A CN 110448395A CN 201910719050 A CN201910719050 A CN 201910719050A CN 110448395 A CN110448395 A CN 110448395A
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- Prior art keywords
- rack body
- seal wire
- support force
- component
- parallelogram principle
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 20
- 206010058109 Hangnail Diseases 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000010339 dilation Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 5
- 206010028980 Neoplasm Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 206010016717 Fistula Diseases 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000003890 fistula Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 241000463219 Epitheca Species 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000005864 Tracheoesophageal Fistula Diseases 0.000 description 1
- 206010056397 Tracheomalacia Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/97—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve the outer sleeve being splittable
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0057—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof stretchable
Abstract
The present invention provides a kind of airway stent using parallelogram principle enhancing support force, includes rack body, seal wire and control limiter；Rack body is mesh skeleton, and the mesh of rack body is parallelogram；Rack body includes active section, and multiple Mesh nodes in active section form multiple first tie points；Control limiter is tubular structure, and the surface for controlling limiter is equipped with multiple second tie points, and multiple second tie points are correspondingly arranged with multiple first tie points；Seal wire is equipped with more, and the both ends of every seal wire are fixedly connected with corresponding first tie point and the second tie point respectively.The present invention uses parallelogram principle, tenses seal wire by control limiter, makes the skeleton compartment of active section away from axial shortening, enhance the radial support power of bracket, Airway dilation is made to reach expected requirement, improve the using effect of bracket；And it can be to bracket locating development, by tensing corresponding seal wire, the accurate radial support power for enhancing bracket corresponding position.
Description
Technical field
The present invention relates to Medical rack technical fields, and in particular to a kind of to enhance support force using parallelogram principle
Airway stent.
Background technique
Various lesions tracheostenosis as caused by tracheomalacia or the infiltration of malignant tissue, compressing and various tumours evening
The diseases such as esophago-tracheal fistula, the thoracic cavity stomach airway fistula that the phase is formed, seriously threaten human health, hence it is evident that limit the ventilation of patient
Function or even threat to life.Bracket merging can not only be effectively relieved rapidly expiratory dyspnea, block fistula mouth, improve the quality of living, and
And the time has been won for further treatment.
The bracket of present air flue is mainly based on single form of presentation (network etc.) bracket, in some lesions
Its bending property is undesirable, and radial support power is inadequate, and expected requirement is not achieved in Airway dilation.
Summary of the invention
To solve above-mentioned problems of the prior art, the present invention provides a kind of utilization parallelogram principle enhancing branch
The airway stent of support force can be improved the radial support power of bracket, and Airway dilation is made to reach requirement, and the using effect of bracket is good.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of airway stent using parallelogram principle enhancing support force includes rack body, seal wire and control limit
Position device；
The rack body is mesh skeleton, and the mesh of the rack body is parallelogram sturcutre；The bracket sheet
Body includes active section, and multiple Mesh nodes in the active section form multiple first tie points；
The control limiter is tubular structure, and the surface of the control limiter is equipped with multiple second tie points, multiple
Second tie point is correspondingly arranged with multiple first tie points；
The seal wire is equipped with more, the both ends of the every seal wire respectively with corresponding first tie point and described
Second tie point is fixedly connected.
Further, the length of the active section is a quarter of the length of the rack body to half, and
The active section is located at the middle part of the rack body.
Further, the control limiter is equipped with multiple limit casings on the outside of one end of the rack body, more
A limit casing is uniformly distributed along the circumferential direction of the controller；Positioned at one or two to four adjacent of the rack body
The seal wire on multiple first tie points in sagittal plane passes through the same limit casing, and respectively and accordingly
Second tie point connection.
Further, each limit casing is equipped with different labels, across the multiple described of the limit casing
Second tie point of seal wire connection is located in the same area of the control limiter, is equipped with and the limit in the region
The corresponding label of position casing.
Further, the label be, number, letter and one or more of text.
Further, the seal wire is located at one section of surface inside the limit casing equipped with stop portion, the retaining
Portion is barb, hangnail or pawl.
It further, also include outer sheath, the outer sheath includes outer tube and inner sleeve, and the housing pipe sleeve is removable
It is sheathed on the outside of the inner sleeve, and the tail end of the inner sleeve stretches out the outer tube；The head end of the outer tube opens up
There is through-hole, the outer tube includes two detachable semicircle outer tubes, and the correspondence two sides of the outer tube are respectively equipped with first
Hand push block, two first-hand pushing blocks are located on two semicircle outer tubes；The inner sleeve includes two removable
The correspondence two sides of the semicircle inner tube divided, the inner sleeve are equipped with second-hand's pushing block, and two second-hand's pushing blocks are located at
In two semicircle inner tubes.
Further, one in two semicircle outer tubes is used as the first component, another is as second component；Institute
The contact surface for stating the first component and the second component is equipped at least one J-shaped sliding slot being recessed inwardly, the second component
It is equipped at least one J-shaped fixture block outwardly protruded with the contact surface of the first component, the J-shaped fixture block and the J-shaped are sliding
Slot is correspondingly arranged, and the J-shaped fixture block is movable to be connected in the J-shaped sliding slot.
Further, one in two semicircle inner tubes is used as third member, another is as the 4th component, institute
The contact surface for stating third member and the 4th component is equipped at least one J-shaped groove corresponding with the J-shaped sliding slot, described
4th component and the contact surface of the third member are equipped at least one J-shaped convex block corresponding with the J-shaped fixture block, the J
Shape convex block is movable to be arranged in the J-shaped groove.
Further, the surface of the rack body is equipped with the first exhausting line, and first exhausting line is located at the bracket
On the periphery of ontology, first exhausting line crosses through the both ends of the rack body and forms ring-type, rack body
Surface is axially arranged with the second exhausting line, with second exhausting line between first exhausting line on multiple rack bodies
It is connected according to fixed spacing binding.
Compared with prior art, advantageous effects of the invention are as follows: of the invention a kind of to utilize parallelogram principle
The airway stent for enhancing support force, using parallelogram principle, the seal wire being arranged on the node of rack body active section leads to
It crosses control limiter and tenses seal wire, make the skeleton compartment of bracket active section away from axial shortening, enhance the radial support power of bracket,
So that Airway dilation is reached expected requirement, improves the using effect of bracket；And the conventional detection means pair such as X-ray irradiation can be passed through
Bracket carries out locating development, by tensing corresponding seal wire, can accurately enhance the radial support power of bracket corresponding position, in turn
There is tumor position to be expanded to expected requirement air flue, substantially increases the flexibility that bracket uses, specific aim；Additionally by two points
The design of formula outer sheath, so that bracket is easier for installation；And bracket takes out convenient for recycling.
Detailed description of the invention
Fig. 1 is the connection relationship diagram of rack body and control limiter in the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure that seal wire is located at limit casing in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of outer sheath in the embodiment of the present invention；
Fig. 4 is the schematic diagram of the section structure when rack body is located in outer sheath in the embodiment of the present invention.
In figure: 10-rack bodies, the 11-the first tie point, 20-- seal wire, 21-stop portions, 30-control limiters,
31-the second tie point, 32-limit casings, 400-outer sheaths, 401-outer tubes, 402-inner sleeves, 410-the first
Part, 411-J-shaped sliding slots, 420-second components, 421-J-shaped fixture blocks, 430-third members, the 440-the four component, 450-
First-hand pushing block, 460-second-hand's pushing blocks.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figs 1-4, a kind of airway stent using parallelogram principle enhancing support force, includes rack body
10, seal wire 20 and control limiter 30；
Rack body 10 is mesh skeleton, and the mesh of rack body 10 is parallelogram sturcutre, according to parallelogram
Principle, rack body 10 can be stretched axially or radially, to shorten the axially or radially spacing of mesh；Rack body 10 includes work
Make section, multiple Mesh nodes in active section form multiple first tie points 11；
Control limiter 30 is tubular structure, and the surface of control limiter 30 is equipped with multiple second tie points 31, and second connects
The number of contact 31 is identical as the number of the first tie point 11, and the second tie point 31 is distributed in the on control limiter 30
One tie point 11 is corresponding in the distribution of active section；
Seal wire 20 be equipped with more, the both ends of every seal wire 20 respectively with corresponding first tie point 11 and the second tie point
31 are fixedly connected.
In one embodiment of the invention, the length of active section is the one third of the length of rack body 10, and work
Make the middle part that section is located at rack body 10, the preferred length of active section is three point one of rack body, by only in rack body
Seal wire 20 is connected on node in 10 active section, is reduced costs, and reduces 20 the space occupied of seal wire.
Preferably, control limiter 30 is equipped with multiple limit casings 32, multiple limits on the outside of one end of rack body 10
Position casing 32 is uniformly distributed along the circumferential direction of control limiter 30；It is flat positioned at one of rack body 10 or adjacent two to four radial directions
The seal wire 20 on multiple first tie points 11 in face passes through the same limit casing 32, and respectively with corresponding second tie point
31 connections control limiter 30 and limit casing 32 by pasting or medical pressure sensitive adhesive is fixed outside the patient's body or body surface；
The seal wire 20 that more connect by multiple limit casings 32 with the first tie point 11 of different zones in active section is by area
Domain separates, and facilitates control.
Optionally, each limit casing 32 is equipped with different labels, and multiple seal wires 20 across limit casing 32 connect
The second tie point 31 be located in the same area of control limiter 30, equipped with label corresponding with limit casing 32 in the region in；
Rack body 10 can develop under the irradiation of X-ray irradiation etc.；In use, by conventional detection means to bracket sheet
Body 10 carries out locating development, can targetedly tense corresponding seal wire 20, accurate enhancing 10 corresponding position of rack body
Radial support power, and then there is tumor position to be expanded to expected requirement air flue.
In another embodiment of the present invention, labeled as one or more of color, number, letter and text, side
Formula is flexible, practical.
In some embodiments of the invention, seal wire 20 is located at one section of surface inside limit casing 32 equipped with stop portion
21；For rack body 10 in the compression by air flue, the first tie point 11 of corresponding position drives seal wire 20 to rack body 10
Direction it is mobile, stop portion 21 stretches at this time, prevents seal wire 20 mobile to 10 direction of rack body, it is ensured that the diameter of rack body 10
To support force；Stop portion 21 is barb, hangnail or pawl, uses barb as stop portion 21 in the present embodiment.
Preferably, the design also includes outer sheath 400, and outer sheath 400 is used for the laying bracket ontology 10 into air flue；Epitheca
Pipe 400 includes outer tube 401 and inner sleeve 402, and the material of outer tube 401 and inner sleeve 402 is medical PVC or silica gel, housing
401 Moveable-jacket of pipe is set to the outside of inner sleeve 402, and inner sleeve 402 can move in outer tube 401, and inner sleeve 402
Tail end stretches out outer tube 401, and the length of inner sleeve 402 is greater than the length of outer tube 401；
The head end of outer tube 401 offers through-hole, and the diameter of through-hole is 0.5~0.7 times of 401 internal diameter of outer tube；Housing
Pipe 401 includes two detachable semicircle outer tubes, and two semicircle outer tubes snap connection to form outer tube 401；Outer tube 401
The correspondence two sides of tail end are respectively equipped with first-hand pushing block 450, and two first-hand pushing blocks 450 are located at two semicircle outer tubes
On；A first-hand pushing block 450 is pushed, two semicircle outer tubes can be separated, to open outer tube 401；
Inner sleeve 402 includes two detachable semicircle inner tubes, and two semicircle inner tubes snap connection to form inner sleeve
402；The correspondence two sides of 402 tail end of inner sleeve are equipped with second-hand's pushing block 460, and two second-hand's pushing blocks 460 are located at two and half
On circular inner pipe；Push second-hand's pushing block 460 that can separate two semicircle inner tubes, to open inner sleeve 402；
When laying bracket ontology 10, rack body 10 is first axially stretched to the head for attenuating and being put into open outer tube 401
End is closed outer tube 401 later；Seal wire 20 is put into open inner sleeve 402 and is closed, then by the inner sleeve of closure
402 are inserted into from the tail end of outer tube 401, until the head end of inner sleeve 402 and rack body 10 are close to one end of control limiter 30
Contact；Outer sheath 400 is inserted into air flue, passes through the guide of the conventional detection means such as ultrasound or X-ray irradiation, the head of outer tube 401
End reaches designated position, and hand-held inner sleeve 402 is simultaneously fixed, and pumpback outer tube 401, rack body 10 is in outer tube 401
Stress is mobile to 401 head end through-hole direction of outer tube, and radially collapses and remove from 401 head end through-hole of outer tube, rack body 10
Release, radial dilatation in turn expand air flue under the elastic reaction of itself；
A first-hand pushing block 450 is pushed, two semicircle outer tubes are separated and is successively taken out, second hand push is pushed
Two semicircle inner tubes are separated and are successively taken out by block 460；Limiter 30 will be controlled and limit casing 32 is fixed outside the patient's body
Or body surface, the rack body 10 of merging is positioned by the conventional detection means such as ultrasound or X-ray irradiation, determines rack body
10 states tense rack body 10 and expand the corresponding seal wire 20 in undesirable position, drive corresponding first tie point 11 to close
The direction for controlling limiter 30 is mobile, to shorten the axial spacing of mesh, enhances the radial support power of rack body 10, makes air flue
Expansion achieves the desired results；The stop portion 21 on 20 surface of limit casing 32 and seal wire cooperates, and limits to seal wire 20, prevents from leading
Silk 20 is retracted and then 10 corresponding site of rack body is prevented to be pressurized and bounces back, and keeps expansion state, can be completed rack body 10
The purpose being discharged into air flue.
In other embodiments of the invention, one in two semicircle outer tubes is used as the first component 410, another
As second component 420；It is sliding that the contact surface of the first component 410 and second component 420 is equipped with the J-shaped that at least one is recessed inwardly
The contact surface of slot 411, second component 420 and the first component 410 is equipped at least one J-shaped fixture block 421 outwardly protruded, J-shaped
Fixture block 421 is correspondingly arranged with J-shaped sliding slot 411, and J-shaped fixture block 421 is movable to be connected in J-shaped sliding slot 411,410 He of the first component
Second component 420 is connected in J-shaped sliding slot 411 by J-shaped fixture block 421 and is attached, to realize that outer tube 401 is closed；Forward
Push the first component 410 on first-hand pushing block 450, skid off J-shaped fixture block 421 out of J-shaped sliding slot 411, the first component 410 with
Second component 420 separates, and outer tube 401 is opened.
Optionally, one in two semicircle inner tubes is used as third member 430, another is as the 4th component 440, and the
The contact surface of three components 430 and the 4th component 440 be equipped at least one J-shaped groove corresponding with J-shaped sliding slot 411, the 4th
Part 440 and the contact surface of third member 430 are equipped at least one J-shaped convex block corresponding with J-shaped fixture block 421, and J-shaped convex block can live
It is dynamic to be arranged in J-shaped groove；Third member 430 and the 4th component 440 are connected in J-shaped groove by J-shaped convex block and are attached,
To realize that inner sleeve 402 is closed；Second-hand's pushing block 460 in third member 430 is pushed forward, makes J-shaped convex block out of J-shaped groove
It skids off, third member 430 is separated with the 4th component 440, and inner sleeve 402 is opened.
Preferably, the surface of rack body 10 is equipped with the first exhausting line, and the first exhausting line is located at the circumference of rack body 10
On face, the first exhausting line crosses through the mesh of 10 skeleton of rack body and both ends are fixedly connected to form ring-type, the first exhausting line
It is provided with multiple, two of them are located at the both ends of 10 skeleton of rack body；
10 surface of rack body is equipped with the second exhausting line, and the second exhausting line is at least arranged two, and the second exhausting line is axially set
It sets on 10 surface of rack body, the second exhausting line far from 10 one end of rack body extends to patient external, multiple rack bodies 10
On the first exhausting line between with the second exhausting line according to a fixed spacing binding be connected；
When needing to take out rack body 10, seal wire 20 is cut, is clamped second time by tweezers, clamp or other clamping devices
Take-up tenses the second exhausting line, so that the first exhausting line is tightened rack body 10, makes 10 radial contraction of rack body, in x-ray or interior
The state of the lower observation rack body 10 of the Lookout assist effect of sight glass, pulls out rack body 10 after confirmation out of air flue
Complete recycling；It can also be when tensing the second exhausting line, the tightening of the first exhausting line making 10 radial contraction of rack body, by outer sheath
The detachable semicircle outer tube of two of 400 outer tube 401 is inserted into air flue and is engaged on the outside of rack body 10, makes bracket sheet
Body 10 is located in the semicircle outer tube of two engagings, and the outer tube 401 of outer sheath 400 is taken out out of air flue, that is, can be taken off propping up
Frame ontology 10.
A kind of airway stent using parallelogram principle enhancing support force of the invention, using parallelogram original
Reason, the seal wire being arranged on the node of rack body active section tense seal wire by control limiter, make the bone of bracket active section
Frame grid spacing axial shortening, enhances the radial support power of bracket, Airway dilation is made to reach expected requirement, improve making for bracket
Use effect；And locating development can be carried out to bracket by conventional detection means such as X-ray irradiations, by tensing corresponding seal wire,
The radial support power of bracket corresponding position can accurately be enhanced, and then have tumor position to be expanded to expected requirement air flue, significantly
Improve the flexibility that bracket uses, specific aim；Additionally by the design of two fraction outer sheaths, so that bracket installation is more square
Just；And bracket takes out convenient for recycling.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of airway stent using parallelogram principle enhancing support force, which is characterized in that include rack body, seal wire
With control limiter；
The rack body is mesh skeleton, and the mesh of the rack body is parallelogram sturcutre；The rack body packet
Containing active section, multiple Mesh nodes in the active section form multiple first tie points；
The control limiter is tubular structure, and the surface of the control limiter is equipped with multiple second tie points, multiple described
Second tie point is correspondingly arranged with multiple first tie points；
The seal wire be equipped with more, the both ends of the every seal wire respectively with corresponding first tie point and described second
Tie point is fixedly connected.
2. the airway stent according to claim 1 using parallelogram principle enhancing support force, which is characterized in that institute
Stating the length of active section is a quarter of the length of the rack body to half, and the active section is located at the branch
The middle part of frame ontology.
3. the airway stent according to claim 1 using parallelogram principle enhancing support force, which is characterized in that institute
It states control limiter and is equipped with multiple limit casings on the outside of one end of the rack body, multiple limit casings are described in
The circumferential direction of controller is uniformly distributed；It is multiple described in one of the rack body or adjacent two to four sagittal planes
The seal wire on first tie point passes through the same limit casing, and connects respectively with corresponding second tie point
It connects.
4. the airway stent according to claim 3 using parallelogram principle enhancing support force, which is characterized in that every
A limit casing is equipped with different labels, and described second across multiple seal wire connections of the limit casing connects
Contact is located in the same area of the control limiter, and label corresponding with the limit casing is equipped in the region.
5. the airway stent according to claim 4 using parallelogram principle enhancing support force, which is characterized in that institute
It states labeled as one or more of color, number, letter and text.
6. the airway stent according to claim 1 using parallelogram principle enhancing support force, which is characterized in that institute
It states one section of the surface that seal wire is located inside the limit casing and is equipped with stop portion, the stop portion is barb, hangnail or pawl.
7. the airway stent according to claim 1 using parallelogram principle enhancing support force, which is characterized in that also
Comprising outer sheath, the outer sheath includes outer tube and inner sleeve, and the housing pipe sleeve Moveable-jacket is set to the inner sleeve
Outside, and the tail end of the inner sleeve stretches out the outer tube；The head end of the outer tube offers through-hole, the outer tube packet
Including two detachable semicircle outer tubes, the correspondence two sides of the outer tube are respectively equipped with first-hand pushing block, and two described first
Hand push block is located on two semicircle outer tubes；The inner sleeve includes two detachable semicircle inner tubes, described
The correspondence two sides of inner sleeve are equipped with second-hand's pushing block, and two second-hand's pushing blocks are located at two semicircle inner tubes
On.
8. the airway stent according to claim 7 using parallelogram principle enhancing support force, which is characterized in that two
One in a semicircle outer tube is used as the first component, another is as second component；The first component and described the
The contact surface of two components is equipped at least one J-shaped sliding slot being recessed inwardly, and the second component connects with the first component
Contacting surface is equipped at least one J-shaped fixture block outwardly protruded, and the J-shaped fixture block is correspondingly arranged with the J-shaped sliding slot, the J-shaped
Fixture block is movable to be connected in the J-shaped sliding slot.
9. the airway stent according to claim 7 using parallelogram principle enhancing support force, which is characterized in that two
One in a semicircle inner tube is used as third member, another is as the 4th component, the third member and described the
The contact surface of four components is equipped at least one J-shaped groove corresponding with the J-shaped sliding slot, the 4th component and the third
The contact surface of component is equipped at least one J-shaped convex block corresponding with the J-shaped fixture block, and the J-shaped convex block is movable to be arranged in
In the J-shaped groove.
10. the airway stent according to claim 1 using parallelogram principle enhancing support force, which is characterized in that
The surface of the rack body is equipped with the first exhausting line, and first exhausting line is located on the periphery of the rack body, institute
It states the first exhausting line to cross through the both ends of the rack body and form ring-type, the surface of rack body is axially arranged with second time
Take-up bundlees phase according to a fixed spacing with second exhausting line between first exhausting line on multiple rack bodies
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719050.8A CN110448395A (en) | 2019-08-05 | 2019-08-05 | A kind of airway stent using parallelogram principle enhancing support force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719050.8A CN110448395A (en) | 2019-08-05 | 2019-08-05 | A kind of airway stent using parallelogram principle enhancing support force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110448395A true CN110448395A (en) | 2019-11-15 |
Family
ID=68484896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910719050.8A Pending CN110448395A (en) | 2019-08-05 | 2019-08-05 | A kind of airway stent using parallelogram principle enhancing support force |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868783A (en) * | 1997-04-16 | 1999-02-09 | Numed, Inc. | Intravascular stent with limited axial shrinkage |
| JP2006116184A (en) * | 2004-10-25 | 2006-05-11 | Piolax Medical Device:Kk | Stent inserting device |
| CN101045022A (en) * | 2006-03-30 | 2007-10-03 | 温宁 | Self-expanding stent axial wire-drawing tensioning mechanism |
| CN102245256A (en) * | 2008-10-10 | 2011-11-16 | 萨德拉医学公司 | Medical devices and delivery systems for delivering medical devices |
| CN102753120A (en) * | 2009-10-20 | 2012-10-24 | 库克医学技术有限责任公司 | Stent-within-stent arrangements |
| US20150073526A1 (en) * | 2010-10-26 | 2015-03-12 | Bryan W Kluck | Retractable Flow Maintaining Stent |
| CN211067223U (en) * | 2019-08-05 | 2020-07-24 | 中南大学湘雅二医院 | Airway bracket for enhancing supporting force by utilizing parallelogram principle |
-
2019
- 2019-08-05 CN CN201910719050.8A patent/CN110448395A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868783A (en) * | 1997-04-16 | 1999-02-09 | Numed, Inc. | Intravascular stent with limited axial shrinkage |
| JP2006116184A (en) * | 2004-10-25 | 2006-05-11 | Piolax Medical Device:Kk | Stent inserting device |
| CN101045022A (en) * | 2006-03-30 | 2007-10-03 | 温宁 | Self-expanding stent axial wire-drawing tensioning mechanism |
| CN102245256A (en) * | 2008-10-10 | 2011-11-16 | 萨德拉医学公司 | Medical devices and delivery systems for delivering medical devices |
| CN102753120A (en) * | 2009-10-20 | 2012-10-24 | 库克医学技术有限责任公司 | Stent-within-stent arrangements |
| US20150073526A1 (en) * | 2010-10-26 | 2015-03-12 | Bryan W Kluck | Retractable Flow Maintaining Stent |
| CN211067223U (en) * | 2019-08-05 | 2020-07-24 | 中南大学湘雅二医院 | Airway bracket for enhancing supporting force by utilizing parallelogram principle |
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