CN110393616A - A kind of conveying of overlay film frame and release system - Google Patents
A kind of conveying of overlay film frame and release system Download PDFInfo
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- CN110393616A CN110393616A CN201910623451.3A CN201910623451A CN110393616A CN 110393616 A CN110393616 A CN 110393616A CN 201910623451 A CN201910623451 A CN 201910623451A CN 110393616 A CN110393616 A CN 110393616A
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- overlay film
- sheath
- handle
- film frame
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- 210000004204 blood vessel Anatomy 0.000 claims abstract description 45
- 239000002473 artificial blood Substances 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 231100000216 vascular lesion Toxicity 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of conveying of overlay film frame and release systems, including handle, conveying axis, sheath and tearing member, the conveying axis is bar shaped bar, one end is connected and fixed with the handle, the other end extends towards the handle outer, the other end end of the conveying axis is equipped with guiding tip, the sheath is removably sheathed on outside the conveying axis, overlay film frame is assemblied in the sheath in preoperative, and it is sheathed on the conveying axis, the tearing member is discharged for pulling the sheath towards the handle orientations under external force during the overlay film frame, sheath is splitted along the sheath length direction.Advantage: structure design is simple, reasonable, it is easy to operate, flexible, conducive to the quick release of overlay film frame, and it is suitable for the release of the overlay film frame with artificial blood vessel, the obstruction by artificial blood vessel is avoided, traditional overlay film frame is effectively improved and is bound in the situation for damaging blood vessel when discharging on conveying axis with contacts blood.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of overlay film frame conveying and release system.
Background technique
For severe aortic vascular lesion or the patient of damage, clinically it is generally necessary to carry out surgery open chest surgery, answer
Manually blood vessel and overlay film frame substitute the blood vessel of itself lesion or damage.Patent name is artificial blood vessel, Patent No.
A kind of artificial blood vessel is described in the patent of invention of CN201610639554, can rapidly be connected artificial blood vessel and human vas
It is connected together, greatly shortens operating time, the artificial blood vessel front end which provides includes overlay film frame, and artificial blood vessel is contained point
Branch, needs to be transported to intravascular by overlay film frame part in the course of surgery and discharge.Existing vascular operation, intervention hand
In art, when being discharged intravascular stent conveying afterwards in place, drawing and pulling type delivery mode is mostly used, which is only used for discharging
Overlay film frame without artificial blood vessel or the overlay film frame of the artificial blood vessel without branch, are not used to discharge such as patent
Overlay film frame with branch artificial blood vessel described in CN201610639554；Existing another kind binding-type release overlay film frame
Mode (such as patent CN200510028616), although the overlay film frame with branch artificial blood vessel can be discharged and without branch people
The overlay film frame of work blood vessel, but there are multiple shortcomings for which: 1) overlay film frame is bound using wiring, assembly is inconvenient；2)
When conveying overlay film frame, the overlay film outside overlay film frame is directly contacted with human vas, and overlay film surface is rougher, when conveying
Frictional force between human vas is big, easy damaged blood vessel；3) after bracket release wiring be sandwiched in the overlay film frame that has discharged with
Between human vas, it is easy to generate damage to human vas when taking out wiring.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of conveying of overlay film frame and release systems, effectively overcome
The defect of the prior art.
The technical scheme to solve the above technical problems is that a kind of overlay film frame conveying and release system, including
Handle, conveying axis, sheath and tearing member, above-mentioned conveying axis are bar shaped bar, and one end is connected and fixed with above-mentioned handle, the other end
Extend towards above-mentioned handle outer, the other end end of above-mentioned conveying axis is equipped with guiding tip, and above-mentioned sheath is removably arranged
Outside above-mentioned conveying axis, overlay film frame is assemblied in above-mentioned sheath in preoperative compression, and is sheathed on above-mentioned conveying axis, above-mentioned
During tearing member is used under external force towards the above-mentioned sheath of above-mentioned handle orientations pulling to discharge above-mentioned overlay film frame,
Sheath is splitted along above-mentioned sheath length direction.
The beneficial effects of the present invention are: structure design is simple, reasonable, and it is easy to operate, flexible, conducive to the quick of overlay film frame
Release, and it is applied widely, and suitable for overlay film frame and with the release of Manual blood vessel tectorial membrane bracket, the release of overlay film frame is not
It is limited by rear end artificial blood vessel structure form, and overlay film frame is limited in sheath using the smooth sheath in surface, had
It improves to effect traditional overlay film frame and is bound in the situation for damaging blood vessel when discharging on conveying axis with contacts blood.
Based on the above technical solution, the present invention can also be improved as follows.
Further, above-mentioned handle includes lower cover, upper cover and tail-hood, and above-mentioned lower cover and upper cover are horizontally disposed strip
Structure, above-mentioned tail-hood are installed on one end of above-mentioned lower cover, and one end of above-mentioned upper cover is hinged on above-mentioned tail-hood, above-mentioned lower cover upper end
Two sides side cover is vertically installed along its length respectively, above-mentioned upper cover can be overturn under external force far from above-mentioned lower cover,
Or overturning is extremely bonded with two above-mentioned side covers, and is fixed by above-mentioned locking member and two above-mentioned side covers, above-mentioned conveying axis
One end be connected and fixed with above-mentioned tail-hood, the other end is pierced by by above-mentioned handle far from one end of above-mentioned tail-hood.
Beneficial effect using above-mentioned further scheme is that handle arrangement design is reasonable, compact, and it is right after upper cover is opened to be conducive to
The storage of overlay film frame vessel branch accommodates.
Further, above-mentioned locking member includes one-to-one two holding sections and two hook parts, two above-mentioned engagings
Portion is respectively arranged at two one end ends of the above-mentioned side cover other end far from above-mentioned lower cover, and two above-mentioned hook parts are respectively arranged at
Close to the two sides of above-mentioned lower cover, two above-mentioned side covers are can be along the bullet of the two two sides compressional deformation for above-mentioned upper cover other end end
Property lid, above-mentioned upper cover can be overturn under external force to being bonded with two above-mentioned side covers, meanwhile, two above-mentioned hook parts edge respectively
Corresponding above-mentioned holding section slips over, and is fixed with corresponding above-mentioned holding section, and external force outwardly or inwardly squeezes two simultaneously
When a above-mentioned side cover, above-mentioned holding section is released with corresponding above-mentioned hook part to be engaged, and above-mentioned upper cover can under external force freely
Overturning.
Beneficial effect using above-mentioned further scheme is that locking member design is reasonable, and operation is fairly simple, can be quick
It realizes the opening of upper cover and closes operation.
Further, above-mentioned lower cover and the other end of upper cover are respectively equipped with the extension of the opposite arc drawn close, and two above-mentioned
Extension is respectively equipped with the positioning region that longitudinal section is fan annular far from one end of above-mentioned lower cover and upper cover, two above-mentioned extensions it
Between region constitute the space for accommodating the artificial blood vessel position of overlay film frame, when above-mentioned upper cover turns to and two above-mentioned sides
When lid fitting, two above-mentioned positioning regions are bonded to each other, and constitute one and it is positioned and is oriented to for protruding into inside above-mentioned sheath
Round tube shape structure.
Beneficial effect using above-mentioned further scheme is the good storage holding that the design is conducive to vessel branch, and just
It is smoothly pulled out in sheath.
Further, above-mentioned tearing member includes two limit cover boards and two tear structures, two above-mentioned limit cover boards point
It is not fixed on two above-mentioned extensions, and extends respectively to the opposite outside in two above-mentioned positioning regions, above-mentioned tear structure is solid
Due between the above-mentioned limit cover board corresponding with its outside of each above-mentioned positioning region.
Beneficial effect using above-mentioned further scheme is that design is simple, reasonable, can effectively realize that sheath pulled
Splitting in journey so that overlay film frame is smoothly discharged, and will not be coated the artificial of membrane support when sheath pull-out
Vessel branch hinders.
Further, above-mentioned handle is hollow and open at one end tubular structure, and one end of above-mentioned conveying axis is by above-mentioned handle
Open end protrude into, and extend to and be connected and fixed with the closed end of above-mentioned handle.
Beneficial effect using above-mentioned further scheme is that handle arrangement is simple, easy to use.
Further, above-mentioned handle further includes the extension of the opposite arc drawn close in two the same ends, two above-mentioned extensions
Arranged side by side and interval the open end for being set to above-mentioned handle, and the opposite one end drawn close of the two deviates from above-mentioned handle, one of them
The other end of above-mentioned extension and the open end of above-mentioned handle are connected and fixed, and the other end of another above-mentioned extension passes through torsion
Spring is rotatably connected on the open end of above-mentioned handle, and two above-mentioned extensions are respectively equipped with longitudinal section far from one end of above-mentioned handle and are
The positioning region of annular is fanned, the region between two above-mentioned extensions constitutes the sky for accommodating the artificial blood vessel position of overlay film frame
Between, another above-mentioned extension can be rotated under external force close to one of them above-mentioned extension, and make two it is above-mentioned fixed
Position portion is bonded to each other and constitutes one for protruding into the round tube shape structure for positioning and being oriented to it inside above-mentioned sheath.
Beneficial effect using above-mentioned further scheme is the good storage holding that the design is conducive to vessel branch.
Further, it is opened through flexible pressing is installed the position that above-mentioned handle open end corresponds to another above-mentioned extension
It closes, above-mentioned handle inner is equipped with the locking plate connecting with above-mentioned push switch, the other end connection of another above-mentioned extension
Have the notch to match with above-mentioned locking plate, another above-mentioned extension can overturn under external force to two it is above-mentioned
Positioning region is bonded to each other, and above-mentioned torsional spring generates deformation, and above-mentioned notch is mutually clamped with above-mentioned locking plate, in pressed by external force
When stating push switch, above-mentioned locking plate is detached from above-mentioned notch and the two is made to release locking, and above-mentioned torsional spring restPoses,
And another above-mentioned extension is driven to overturn far from one of them above-mentioned extension.
Beneficial effect using above-mentioned further scheme be it is simple, convenient, convenient for vessel branch receiving place and
Limit after placement is kept.
Further, above-mentioned tearing member includes two limit cover boards and two tear structures, two above-mentioned limit cover boards point
It is not fixed on two above-mentioned extensions, and extends respectively to the opposite outside in two above-mentioned positioning regions, above-mentioned tear structure is solid
Due between the above-mentioned limit cover board corresponding with its outside of each above-mentioned positioning region.
Beneficial effect using above-mentioned further scheme is that design is simple, reasonable, can effectively realize that sheath pulled
Splitting in journey so that overlay film frame is smoothly discharged, and will not be coated the artificial of membrane support when sheath pull-out
Vessel branch hinders.
Further, further include pull ring, above-mentioned pull ring is removably installed in the closed end of above-mentioned handle, for
It states sheath to connect far from the one end at above-mentioned tip, and pulls sheath under external force.
Beneficial effect using above-mentioned further scheme is the pulling that the design is conducive to sheath, to realize overlay film frame
Good release.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of product structure of overlay film frame conveying and release system of the invention；
Fig. 2 is that a kind of product structure of overlay film frame conveying and release system of the invention opens upper cover operation when in use
Schematic diagram；
Fig. 3 is a kind of cross-sectional view of product structure of overlay film frame conveying and release system of the invention；
Fig. 4 is the schematic enlarged-scale view of part A in Fig. 3；
Fig. 5 is the side view of product structure in Fig. 3；
Fig. 6 is the schematic diagram of another product structure of overlay film frame conveying and release system of the invention；
Fig. 7 is that a kind of product structure of overlay film frame conveying and release system of the invention opens an extension when in use
The schematic diagram of portion's operation；
Fig. 8 is a kind of cross-sectional view of product structure of overlay film frame conveying and release system of the invention；
Fig. 9 be overlay film frame conveying of the invention and release system using when sheath assembly tear before schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, handle, 2, conveying axis, 4, positioning region, 5, pull ring, 11, lower cover, 12, upper cover, 13, tail-hood, 14, side cover, 15, prolong
Extending portion, 16, push switch, 21, guiding tip, 41, limit cover board, 42, tear structure, 121, hook part, 141, holding section,
151, notch, 161, locking plate.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment: as shown in Figure 1 to 9, the overlay film frame conveying and release system of the present embodiment, including handle 1, conveying axis
2, sheath and tearing member, above-mentioned conveying axis 2 are bar shaped bar, and one end is connected and fixed with above-mentioned handle 1, and the other end is towards above-mentioned
Extend outside handle 1, the other end end of above-mentioned conveying axis 2 is equipped with guiding tip 21, and above-mentioned sheath is removably sheathed on
It states outside conveying axis 2, overlay film frame is assemblied in above-mentioned sheath in preoperative compression, and is sheathed on above-mentioned conveying axis 2, above-mentioned to tear
Open component under external force towards above-mentioned 1 direction of handle pull above-mentioned sheath to discharge above-mentioned overlay film frame during,
Sheath is splitted along above-mentioned sheath length direction.
Operation consent, overlay film frame, which is placed in inside sheath (not shown), (has generally dispatched from the factory preceding overlay film frame in sheath
It is loaded in sheath, and artificial blood vessel is exposed to outside sheath one end), and sheath is placed on outer (wherein, the overlay film of conveying axis 2
Bracket can be sheathed on conveying axis 2, can not also be placed on conveying axis 2) so that overlay film frame passes through tip close to tip 21
21 pairs its position holding, next, by conveying axis 2 connect sheath along blood vessel notch protrude into it is intravascular and be delivered to needs perform the operation be packed into
At the sufferer of overlay film frame, in next step, external force pulls out sheath, and splits sheath by tearing member simultaneously, with pulling
While sheath, sheath is divided into two or splits, and after sheath pulls out, overlay film frame can discharge at sufferer, finally
Conveying axis 2 is taken out to suture blood vessel notch.It should be noted that: overlay film frame begins before releasing in entire operation
, will not be with contacts blood eventually in the sheath, sheath is using the good biocompatibilities such as PTFE and the small material of coefficient of friction, with blood
The sheath pipe surface of pipe contact is smooth, coefficient of friction is small, will not cause to damage to blood vessel；Also, overlay film frame tail end in this way has
Artificial blood vessel, then artificial blood vessel position is in outside sufferer angitomy end face, and bracket body part enters intravascular release, sheath
Region vertex of the pipe before rack body artificial blood vessel junction is splitted, so as to avoid artificial blood vessel branch etc. to sheath
Obstruction when pipe pulls effectively improves and damages blood vessel with contacts blood when traditional overlay film frame is bound in release on conveying axis
Situation.
Specifically, the structure construction of whole system includes at least following two form:
1) the first form (as shown in Fig. 1 to 5):
Preferably, above-mentioned handle 1 includes lower cover 11, upper cover 12 and tail-hood 13, above-mentioned lower cover 11 and upper cover 12 are level
The strip structure of setting, above-mentioned tail-hood 13 are installed on one end of above-mentioned lower cover 11, and one end of above-mentioned upper cover 12 is hinged on above-mentioned
On tail-hood 13, the two sides of above-mentioned 11 upper end of lower cover are vertically equipped with side cover 14 along its length respectively, and above-mentioned upper cover 12 can be
It overturns under external force and is extremely bonded with two above-mentioned side covers 14 far from above-mentioned lower cover 11, or overturning, and pass through above-mentioned locking member
It is fixed with two above-mentioned side covers 14, one end of above-mentioned conveying axis 2 is connected and fixed with above-mentioned tail-hood 13, and the other end is by above-mentioned handle
1 one end far from above-mentioned tail-hood 13 is pierced by.
When operation, upper cover 12 is first opened, the overlay film frame main part with artificial blood vessel is packed into sheath, and is made
Sheath is placed on outside conveying axis 2, and artificial blood vessel is partially disposed between lower cover 11 and upper cover 12, in next step, conveying axis 2 is connected to sheath
It is sent into the intravascular designated position of sufferer (ensuring that artificial blood vessel is effectively docked with sufferer blood vessel notch or end face), in next step, outward
Sheath is pulled, and sheath, entire handle 1 are splitted by tearing member fixed point in the region between artificial blood vessel and tip 21
Design is simple, and the operation of 12 switch cover of upper cover is fairly simple, compact-sized, flexible and convenient to use.
As a preferred embodiment, the notch passed through for above-mentioned sheath is had on two above-mentioned side covers 14,
One end of sheath can be passed through by the notch of any one side cover 14, and be stretched outside handle 1, so that convenient apply external force to sheath
It is pulled out in surgical procedure to discharge overlay film frame, design comparison is reasonable, is conducive to surgical procedure.
Certainly, the region between above-mentioned upper cover 12 and lower cover 11 can be slidably installed pulling department along the length direction of the two,
It is used to connect with sheath by the pulling department, and applies external force and pull out sheath to discharge overlay film frame.
As a preferred embodiment, above-mentioned locking member includes one-to-one two holding sections 141 and two
Hook part 121, two above-mentioned holding sections 141 are respectively arranged at the two above-mentioned one end of 14 other end of side cover far from above-mentioned lower cover 11
End, two above-mentioned hook parts 121 are respectively arranged at above-mentioned 12 other end end of upper cover close to the two sides of above-mentioned lower cover 11, and two
Above-mentioned side cover 14 is that can overturn under external force along the elastomeric cap of the two two sides compressional deformation, above-mentioned upper cover 12 to two
A above-mentioned side cover 14 is bonded, meanwhile, two above-mentioned hook parts 121 are slipped over along corresponding above-mentioned holding section 141 respectively, and with it is corresponding
Above-mentioned holding section 141 be fixed, external force simultaneously outwardly or inwardly squeeze two above-mentioned side covers 14 when, above-mentioned holding section
141 release engaging with corresponding above-mentioned hook part 121, and above-mentioned upper cover 12 can freely be overturn under external force, when uncapping, simultaneously
Two side covers 14 are outwardly or inwardly squeezed, so that two hook parts 121 are mutually disengaged with corresponding holding section 141 (releases engaging
Relationship), so that slow of speech dog dog overturns upper cover 12 freely, structure design is simple, operates fast, conveniently.
One end of above-mentioned upper cover 12 can be hinged by torsional spring and tail-hood 13, and torsional spring is in diastole state after uncapping, and closes
Gai Shi, torsional spring generate deformation, and after the design is so that hook part 121 is mutually disengaged with corresponding holding section 141, upper cover 12 can be
It is automatically opened under the effect of torsional spring elastic force, of course it is also possible to which cooperation is closer both when making closing lid.
As a preferred embodiment, above-mentioned lower cover 11 and the other end of upper cover 12 are respectively equipped with the opposite arc drawn close
The extension 15 of shape, two above-mentioned extensions 15 are respectively equipped with longitudinal section far from one end of above-mentioned lower cover 11 and upper cover 12 as fan ring
The positioning region 4 of shape, the region between two above-mentioned extensions 15 constitute the sky for accommodating the artificial blood vessel position of overlay film frame
Between, when above-mentioned upper cover 12, which is turned to, to be bonded with two above-mentioned side covers 14, two above-mentioned positioning regions 4 are bonded to each other, and constitute one
A to be used to protrude into the round tube shape structure for positioning and being oriented to it inside above-mentioned sheath, the artificial blood vessel part of overlay film frame can hold
It receives between two extensions 15, positioning region 4 is located at 15 end of extension, and such design is very reasonable, so that sheath is positioning
It good can be oriented at portion, conducive to subsequent pulling and tear and (split) operation.
As a preferred embodiment, above-mentioned tearing member includes two limit cover boards 41 and two tear structures
42, two above-mentioned limit cover boards 41 are individually fixed on two above-mentioned extensions 15, and extend respectively to two above-mentioned positioning regions 4
Opposite outside, above-mentioned tear structure 42 be fixed on each above-mentioned positioning region 4 and its corresponding above-mentioned limit cover board 41 in outside it
Between, the design is simple, reasonable, and sheath can slip over one by tear structure 42 while pulling out in the position of positioning region 4
It is divided into two, effectively avoids the obstruction that the artificial blood vessel branch of overlay film frame pulls sheath.
2) second of form (as shown in Fig. 6 to 8):
Preferably, above-mentioned handle 1 is hollow and open at one end tubular structure, one end of above-mentioned conveying axis 2 is by above-mentioned hand
The open end of handle 1 is protruded into, and is extended to and be connected and fixed with the closed end of above-mentioned handle 1, and the two sides of above-mentioned handle 1 are respectively equipped with confession
The notch that above-mentioned sheath passes through, rationally, structure is simple, compact, conducive to the arrangement of conveying axis 2 for design.
As a preferred embodiment, above-mentioned handle 1 further includes the extension of the opposite arc drawn close in two the same ends
Portion 15, two above-mentioned extensions 15 side by side and the open end for being set to above-mentioned handle 1 at interval, and opposite one end drawn close of the two
Away from above-mentioned handle 1, the other end of one of them above-mentioned extension 15 and the open end of above-mentioned handle 1 are connected and fixed, and in addition one
The other end of a above-mentioned extension 15 is rotatably connected on the open end of above-mentioned handle 1 by torsional spring, and two above-mentioned extensions 15 are remote
One end from above-mentioned handle 1 is respectively equipped with the positioning region 4 that longitudinal section is fan annular, the region structure between two above-mentioned extensions 15
At the space at the artificial blood vessel position for accommodating overlay film frame, another above-mentioned extension 15 can rotate under external force
Close to one of them above-mentioned extension 15, and it is bonded to each other two above-mentioned positioning regions 4 and constitutes one for protruding into above-mentioned sheath
The artificial blood vessel part of the round tube shape structure for positioning and being oriented to it inside pipe, overlay film frame can accommodate and two extensions 15
Between, positioning region 4 is located at 15 end of extension, and such design is very reasonable, enables sheath is good at positioning region to lead
To conducive to subsequent pulling and tearing and (split) operation.
As a preferred embodiment, above-mentioned 1 open end of handle corresponds to the position of another above-mentioned extension 15
Through flexible push switch 16 is installed, it is equipped with the locking plate 161 connecting with above-mentioned push switch 16 inside above-mentioned handle 1, separately
The other end of an outer above-mentioned extension 15 is connected with the notch 151 to match with above-mentioned locking plate 161, on another
It states extension 15 and can overturn under external force to two above-mentioned positioning regions 4 and be bonded to each other, above-mentioned torsional spring generates deformation, and above-mentioned
Notch 151 is mutually clamped with above-mentioned locking plate 161, and when the above-mentioned push switch 16 of pressed by external force, above-mentioned locking plate 161 is detached from
Above-mentioned notch 151 makes the two release locking, and above-mentioned torsional spring restPoses, and drives another above-mentioned extension
15 overturn far from one of them above-mentioned extension 15, in surgical procedure, may make notch by compression elasticity push switch 16
151 are mutually disengaged with locking plate 161, and release snap-fit relationship, so that freely overturning for another extension 15 is realized, when need
When engaging holding, another extension 15 need to only be overturn to the positioning region 4 of its positioning region 4 and one of extension 15
It is bonded to each other, and locking plate 161 is engaged with notch 151, design comparison is simple, operation is faster, conveniently.
It should be noted that: the cooperation of 151 grades of locking plates 161 of notch is detailed in attached drawing (see attached drawing 8), wherein locking plate 161
Allow to squeeze that deformation occurs under external force with the mutually matched one end of notch 151, and has and autonomous restore deformation
Function so that locking plate 161 and notch 151 can be carried out effectively unlock or snap-action.
As a preferred embodiment, above-mentioned tearing member includes two limit cover boards 41 and two tear structures
42, two above-mentioned limit cover boards 41 are individually fixed on two above-mentioned extensions 15, and extend respectively to two above-mentioned positioning regions 4
Opposite outside, above-mentioned tear structure 42 be fixed on each above-mentioned positioning region 4 and its corresponding above-mentioned limit cover board 41 in outside it
Between, the design is simple, reasonable, and sheath can slip over one by tear structure 42 while pulling out in the position of positioning region 4
It is divided into two, effectively avoids the obstruction that the artificial blood vessel branch of overlay film frame pulls sheath.
As a preferred embodiment, further including pull ring 5, above-mentioned pull ring 5 is removably installed in above-mentioned handle 1
Closed end for connecting with above-mentioned sheath far from the one end at above-mentioned tip 21, and pulls sheath under external force, this sets
Meter is conducive to the pulling of sheath and the good release operation of overlay film frame.
It should be understood that it is tearable sheath common on the market, common sheath or common plastics tube that above-mentioned sheath, which is, on
Stating tear structure 42 can be blade or any structure type with sharp features, it is ensured that scratch sheath when can pull sheath
.
The overlay film frame of the present embodiment conveys and release system is intended to overlay film frame and is placed in sheath (overlay film frame in the preoperative
It is already loaded in sheath before sheath factory), it is discharged at sufferer in art, to avoid overlay film frame in release process and blood
Pipe contact, to reduce the damage to blood vessel, also, sheath is very easy to take out during release, and because sheath passes through
The mode splitted is taken out, and the artificial blood vessel branch of overlay film frame will not cause to hinder to the taking-up of sheath, and surgical procedure is simpler
Single, operation ratio is smoothly.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of overlay film frame conveying and release system, it is characterised in that: including handle (1), conveying axis (2), sheath and tear
Component, the conveying axis (2) are bar shaped bar, and one end is connected and fixed with the handle (1), and the other end is towards the handle (1)
Outside extends, and the other end end of the conveying axis (2) is equipped with guiding tip (21), and the sheath is removably sheathed on described
Conveying axis (2) is external, and overlay film frame is assemblied in the sheath in preoperative compression, and is sheathed on the conveying axis (2), described
Tearing member towards the handle (1) direction for pulling the sheath to discharge the overlay film frame process under external force
In, sheath is splitted along the sheath length direction.
2. a kind of overlay film frame conveying according to claim 1 and release system, it is characterised in that: handle (1) packet
Lower cover (11), upper cover (12) and tail-hood (13) are included, the lower cover (11) and upper cover (12) they are horizontally disposed strip structure,
The tail-hood (13) is installed on one end of the lower cover (11), and one end of the upper cover (12) is hinged on the tail-hood (13),
The two sides of lower cover (11) upper end are vertically equipped with side cover (14) along its length respectively, and the upper cover (12) can be in external force
It acts on lower overturn extremely to be bonded with two side covers (14) far from the lower cover (11), or overturning, and passes through the locking member
It is fixed with two side covers (14), one end and the tail-hood (13) of the conveying axis (2) are connected and fixed, and the other end is by institute
Handle (1) is stated to be pierced by far from the one end of the tail-hood (13).
3. a kind of overlay film frame conveying according to claim 2 and release system, it is characterised in that: the locking member packet
One-to-one two holding sections (141) and two hook parts (121) are included, two holding sections (141) are respectively arranged at two
A one end end of the side cover (14) other end far from the lower cover (11), two hook parts (121) are respectively arranged at
Close to the two sides of the lower cover (11), two side covers (14) are can be along the two two sides for upper cover (12) other end end
The elastomeric cap of compressional deformation, the upper cover (12) can overturn to two side covers (14) under external force and be bonded, meanwhile,
Two hook parts (121) slip over along the corresponding holding section (141) respectively, and with the corresponding holding section (141)
It is fixed, when external force outwardly or inwardly squeezes two side cover (14) simultaneously, the holding section (141) and corresponding institute
It states hook part (121) and releases engaging, the upper cover (12) can freely overturn under external force.
4. a kind of overlay film frame conveying according to claim 2 and release system, it is characterised in that: the lower cover (11) and
The other end of upper cover (12) is respectively equipped with the extension (15) of the opposite arc drawn close, and two extensions (15) are far from described
One end of lower cover (11) and upper cover (12) is respectively equipped with the positioning region (4) that longitudinal section is fan annular, two extensions (15)
Between region constitute the space for accommodating the artificial blood vessel position of overlay film frame, when the upper cover (12) turns to and two
When the side cover (14) is bonded, two positioning regions (4) are bonded to each other, and composition one right inside the sheath for protruding into
Its round tube shape structure for positioning and being oriented to.
5. a kind of overlay film frame conveying according to claim 4 and release system, it is characterised in that: the tearing member packet
Include two limit cover boards (41) and two tear structures (42), two limit cover boards (41) be individually fixed in two described in prolong
In extending portion (15), and two opposite outsides of the positioning region (4) are extended respectively to, the tear structure (42) is fixed on each
Between the positioning region (4) the limit cover board (41) corresponding with its outside.
6. a kind of overlay film frame conveying according to claim 1 and release system, it is characterised in that: the handle (1) is
One end of hollow and open at one end tubular structure, the conveying axis (2) is protruded by the open end of the handle (1), and is extended
It is connected and fixed to the closed end with the handle (1).
7. a kind of overlay film frame conveying according to claim 6 and release system, it is characterised in that: the handle (1) is also
Extension (15) including the opposite arc drawn close in two the same ends, two extensions (15) are side by side and what is be spaced is set to
The open end of the handle (1), and the opposite one end drawn close of the two is away from the handle (1), one of them described extension
(15) the other end and the open end of the handle (1) are connected and fixed, and the other end of another extension (15) passes through
Torsional spring is rotatably connected on the open end of the handle (1), and two extensions (15) are distinguished far from the one end of the handle (1)
It is the positioning region (4) of fan annular equipped with longitudinal section, the region between two extensions (15) is constituted for accommodating overlay film branch
The space at the artificial blood vessel position of frame, another described extension (15) can be rotated under external force close to one of institute
Extension (15) are stated, and is bonded to each other two positioning regions (4) and constitutes one for protruding into inside the sheath to it
The round tube shape structure for positioning and being oriented to.
8. a kind of overlay film frame conveying according to claim 7 and release system, it is characterised in that: the handle (1) is spacious
Mouth end corresponds to the position of another extension (15) through flexible push switch (16) is installed, and the handle (1) is interior
Portion is equipped with the locking plate (161) connecting with the push switch (16), the other end connection of another extension (15)
There is the notch (151) to match with the locking plate (161), another described extension (15) can be under external force
Overturning to two positioning regions (4) are bonded to each other, and the torsional spring generates deformation, and the notch (151) and the lock
Only plate (161) is mutually clamped, and when push switch described in pressed by external force (16), the locking plate (161) is detached from the notch
(151) the two is made to release locking, the torsional spring restPoses, and drives another described extension (15) overturning remote
From extension described in one of them (15).
9. a kind of overlay film frame conveying according to claim 7 and release system, it is characterised in that: the tearing member packet
Include two limit cover boards (41) and two tear structures (42), two limit cover boards (41) be individually fixed in two described in prolong
In extending portion (15), and two opposite outsides of the positioning region (4) are extended respectively to, the tear structure (42) is fixed on each
Between the positioning region (4) the limit cover board (41) corresponding with its outside.
10. being conveyed according to a kind of described in any item overlay film frames of claim 6 to 9 and release system, it is characterised in that: also wrap
It includes pull ring (5), the pull ring (5) is removably installed in the closed end of the handle (1), for separate with the sheath
One end of the tip (21) connects, and pulls sheath under external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623451.3A CN110393616B (en) | 2019-07-11 | 2019-07-11 | Tectorial membrane support carries and release system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623451.3A CN110393616B (en) | 2019-07-11 | 2019-07-11 | Tectorial membrane support carries and release system |
Publications (2)
| Publication Number | Publication Date |
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| CN110393616A true CN110393616A (en) | 2019-11-01 |
| CN110393616B CN110393616B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623451.3A Active CN110393616B (en) | 2019-07-11 | 2019-07-11 | Tectorial membrane support carries and release system |
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| Country | Link |
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| Publication number | Publication date |
|---|---|
| CN110393616B (en) | 2024-05-24 |
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