CN206964701U - Exempt to suture blood vessel graft - Google Patents
Exempt to suture blood vessel graft Download PDFInfo
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- CN206964701U CN206964701U CN201720018208.5U CN201720018208U CN206964701U CN 206964701 U CN206964701 U CN 206964701U CN 201720018208 U CN201720018208 U CN 201720018208U CN 206964701 U CN206964701 U CN 206964701U
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- Prior art keywords
- blood vessel
- suture
- collar
- exempt
- adjustment
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Abstract
The utility model discloses one kind and exempts to suture blood vessel graft, it is related to technical field of medical instruments, easily causes the technical problem for operating more difficult (diameter selection is big) or leakage blood (diameter selects small) because diameter immobilizes to solve the existing suture collar of exempting from.It is described in the utility model to exempt to suture blood vessel graft, including：Artificial blood vessel's body, carried on artificial blood vessel's body and exempt to suture connecting portion, this exempts to suture connecting portion by the coating member that is coaxially seamlessly connected on the outside of artificial blood vessel's body and with artificial blood vessel's body, and the support collar being positioned between coating member and artificial blood vessel's body is formed；The support collar is provided with adjustment portion, and adjustment portion part is exposed at outside coating member, and adjustment portion is used to adjust the diameter for fixing the support collar, so that the diameter for exempting to suture connecting portion for exempting to suture blood vessel graft is adjustable.
Description
Technical field
Technical field of medical instruments is the utility model is related to, more particularly to one kind is exempted to suture blood vessel graft.
Background technology
All the time, scholar wishes to complete artificial blood vessel grafts and autologous patient blood using more efficiently mode
Pipe coincide, and has carried out many trials.Mechanical vascular anastomosis are with special vascular anastomosis device replacement or part
A kind of vascular anastomosis method of suture is substituted, it can overcome traditional vascular anastomosis method complex operation, the time that coincide long and interior
The defects of membrane damage is serious.The mechanical vascular anastomosis commonly used at present in experimental study and clinical practice mainly have magnetic tube
Method, tiretube process, needle ring method and anastomosis clamp method etc..
Twentieth century mid-nineties 90, Ablaza and Dureau are reported respectively each exempts from suture actively using hard sleeve type
The infective use of arteries and veins graft.The aortic prosthesis of Ablaza designs is terylene product, and two ends are Double-layer polyester material
Expect the stainless steel sleeve pipe ring of parcel, long 10mm, thickness 1mm, there are the deep grooves of 0.5mm on ring.Using this with sleeve ring
Aortic prosthesis first inserts hard end in autologous vein in the case where stopping circulation, then directly when being coincide with autologous vein
Ligatured at autologous vein outer groove position with silk thread, the docking of blood vessel can be quickly completed without suture, this causes blood vessel to put
Throw-over degree is greatly speeded up, and amount of bleeding and is stopped circulation time and is substantially reduced.The graft of Dureau designs is similar, but both ends
Hard sleeve ring uses polytetrafluoroethylmaterial material, covers felt piece outside ring, with groove in order to which ligature is fixed on ring.Most
First clinical test is proved, aortic prosthesis is sutured in the operation of aneurysm of thoracic aorta using both ends exempting from hard sleeve ring
The speed that can make to coincide is greatly speeded up, and is reduced Anastomotic bleeding, is reduced CPB times and DHCA times, so as to effectively reduce lung, kidney,
The complication of the important organs such as brain；And anastomosis can eliminate the blood vessel vacation of artery dissection patient really using the method for ligation
Chamber.Due to above advantage, the hard sleeve type that commercialization occurs rapidly in the market is exempted to suture aortic prosthesis (Bard intracavitary
Blood vessel graft, USCI).But due to exempt to suture the collar quality is hard, diameter immobilizes, and when inserting autologous vein
Cause is close with autologous vein internal diameter, causes to operate implantation difficulty, fixes the smooth easy formation false aneurysm of ring surface, therefore such
The Clinical practice for exempting to suture blood vessel graft has significant limitation, popularizes far away.
Utility model content
The purpose of this utility model is to provide one kind and exempts to suture blood vessel graft, with solve it is existing exempt to suture the collar because
The technology of leakiness blood formation false aneurysm is asked when diameter immobilizes and easily causes implant procedure more difficult and long-term use of
Topic.
The utility model provides one kind and exempts to suture blood vessel graft, including：Artificial blood vessel's body, artificial blood vessel's body
It is upper with exempting to suture connecting portion, it is described exempt to suture connecting portion by the outside of artificial blood vessel's body and with it is described artificial
The coating member that blood vessel body is coaxially seamlessly connected, and the support being positioned between the coating member and artificial blood vessel's body
The collar is formed；The support collar is provided with adjustment portion, and the adjustment portion part is exposed at outside the coating member, and the regulation
Portion is used for the diameter for adjusting the fixed support collar so that it is described exempt to suture the described of blood vessel graft exempt to suture connecting portion
Diameter is adjustable.
During practical application, the side of artificial blood vessel's body, which is equipped with, described exempts to suture connecting portion；Or, described exempt to suture
Connecting portion is arranged on the intermediate region of artificial blood vessel's body.
Wherein, the diameter of the coating member is more than the diameter of artificial blood vessel's body.
Specifically, the support collar includes collar body, and the collar body is open loop structure；The adjustment portion is set
Put and set in the collar body and respectively positioned at the both sides of the open loop structure.
Further, projection is provided with the adjustment portion at the side of the open loop structure, the open loop structure
The multiple hole slots matched with the projection are provided with the adjustment portion at opposite side；When described raised and multiple hole slots
In a corresponding insertion after, complete diameter adjustment and the fixation of the support collar.
Further, the adjustment portion at the side of the open loop structure is the first adjustment sheet, the open loop structure
The adjustment portion at opposite side is multiple second adjustment sheets being set up in parallel along the circumferential direction of the support collar；Described
After one adjustment sheet is corresponding with a matching in multiple second adjustment sheets, first adjustment sheet and second adjustment sheet
Complete to fix by locking piece.
Further, the adjustment portion at the side of the open loop structure is the first adjustment sheet, and described first is adjusted
Offer first through hole on piece, the adjustment portion at the opposite side of the open loop structure is along the circumference side of the support collar
To being set side by side with multiple second adjustment sheets, and the second through hole is offered on each second adjustment sheet；Described first adjusts
After nodal plate is corresponding with a matching in multiple second adjustment sheets, the first through hole in second through hole with being equipped with
Locking member.
Further, the locking member is hitching post or silk thread.
Preferably, the outer surface of the collar body is provided with the spine for preventing displacement.
During practical application, the support collar includes collar body, and the collar body is closed loop configuration；The regulation
Portion is the rhombus framework or hexagonal-shaped frame in the collar body.
Alternatively, the support collar includes collar body, and the collar body is made up of multiple diamond framves
Closed loop configuration；Or, the collar body is the closed loop configuration being made up of multiple hexagonal-shaped frames.
Alternatively, the support collar includes collar body, and the collar body is spiral open loop structure.
Relative to prior art, suture blood vessel graft described in the utility model of exempting from has the advantage that：
It is provided by the utility model to exempt to suture in blood vessel graft, including：Artificial blood vessel's body, band on artificial blood vessel's body
Have and exempt to suture connecting portion, exempt to suture connecting portion by the outside of artificial blood vessel's body and coaxially seamless with artificial blood vessel's body
The coating member of connection, and the support collar being positioned between coating member and artificial blood vessel's body are formed；The support collar is provided with
Adjustment portion, adjustment portion part are exposed at outside coating member, and adjustment portion is used to adjust the fixed diameter for supporting the collar, so as to exempt to suture
The diameter for exempting to suture connecting portion of blood vessel graft is adjustable.Thus analysis is understood, provided by the utility model to exempt to suture blood vessel shifting
In plant, due to being provided with the support collar, and the adjustment portion of the support collar can be used in the diameter of the regulation support collar, so as to
When making the end diameter for exempting from suture blood vessel graft adjustable, therefore will exempt to suture blood vessel graft with autologous patient vascular anastomosis,
Can first will exempt from suture blood vessel graft diameter reduce, consequently facilitating insertion autologous patient it is intravascular, it is easy to operate, save when
Between, automatic expansion again after being inserted into, to be bonded with autologous vein.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for exempting to suture blood vessel graft that the utility model embodiment provides；
Fig. 2 is the structure for exempting to suture when not being arranged with the support collar in blood vessel graft that the utility model embodiment provides
Schematic diagram；
Fig. 3 exempts to suture a kind of structural representation for supporting the collar in blood vessel graft for what the utility model embodiment provided
Figure；
Fig. 4 is the branch for exempting to suture when another kind in blood vessel graft is not arranged with block that the utility model embodiment provides
The structural representation of support set ring；
Fig. 5 is the support for exempting to suture when another kind in blood vessel graft is arranged with block that the utility model embodiment provides
The structural representation of the collar；
Fig. 6 is the structural representation for exempting to suture another support collar in blood vessel graft that the utility model embodiment provides
Figure；
Fig. 7 is the support collar for exempting to suture a kind of closed loop configuration in blood vessel graft that the utility model embodiment provides
Structural representation；
Fig. 8 is the support collar for exempting to suture a kind of open loop structure in blood vessel graft that the utility model embodiment provides
Structural representation；
Fig. 9 is the support collar for exempting to suture another closed loop configuration in blood vessel graft that the utility model embodiment provides
Structural representation；
Figure 10 is the support set for exempting to suture another open loop structure in blood vessel graft that the utility model embodiment provides
The structural representation of ring；
Figure 11 is that the another kind that the utility model embodiment provides exempts to suture the structural representation of blood vessel graft；
Figure 12 is that another that the utility model embodiment provides is exempted to suture the structural representation of blood vessel graft.
In figure：1- artificial blood vessel's bodies；11- coating members；2- supports the collar；21- adjustment portions；22- collar bodies；
211- is raised；212- hole slots；The adjustment sheets of 213- first；The adjustment sheets of 214- second；23- locking pieces；24- locking members；
221- spines；3- branches artificial blood vessel；4- supports.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be the connection of two element internals.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
Concrete meaning of the term in the utility model.
Fig. 1 is the structural representation for exempting to suture blood vessel graft that the utility model embodiment provides；Fig. 2 is that this practicality is new
What type embodiment provided exempts to suture structural representation when not being arranged with the support collar in blood vessel graft.
As depicted in figs. 1 and 2, the utility model embodiment provides one kind and exempts to suture blood vessel graft, including：Artificial blood vessel
Body 1, with exempting to suture connecting portion (as shown in dotted line frame in Fig. 1) on artificial blood vessel's body 1, exempt to suture connecting portion by positioned at people
The coating member 11 being seamlessly connected with artificial blood vessel's body 1 on the outside of work blood vessel body 1 and coaxially, and it is positioned over coating member
The support collar 2 between 11 and artificial blood vessel's body 1 is formed；The support collar 2 is provided with adjustment portion 21, and the part of adjustment portion 21 is exposed
Outside coating member 11, and adjustment portion 21 is used for the diameter that adjusts the fixed support collar 2, exempts to stitch so as to exempt to suture blood vessel graft
The diameter for closing connecting portion is adjustable.
Relative to prior art, the blood vessel graft of exempting to suture described in the utility model embodiment has the advantage that：
What the utility model embodiment provided exempts to suture in blood vessel graft, as shown in Fig. 1 and Fig. 2, including：Artificial blood
Tube body 1, with exempting to suture connecting portion (as shown in dotted line frame in Fig. 1) on artificial blood vessel's body 1, exempt to suture connecting portion by position
In the coating member 11 being coaxially seamlessly connected on the outside of artificial blood vessel's body 1 and with artificial blood vessel's body 1, and it is positioned over cladding
The support collar 2 between part 11 and artificial blood vessel's body 1 is formed；The support collar 2 is provided with adjustment portion 21, outside the part of adjustment portion 21
It is exposed at outside coating member 11, and adjustment portion 21 is used to adjust the diameter for fixing the support collar 2, so as to exempt to suture exempting from for blood vessel graft
The diameter for suturing connecting portion is adjustable.Thus analysis is understood, what the utility model embodiment provided exempts to suture in blood vessel graft, by
The collar 2 is supported in being provided with, and the adjustment portion 21 of the support collar 2 can be used in the diameter of the regulation support collar 2, so that exempting from
, can be with when it is adjustable to suture the end diameter of blood vessel graft, therefore will exempt to suture blood vessel graft and autologous patient vascular anastomosis
The diameter that will first exempt to suture blood vessel graft reduces, consequently facilitating insertion autologous patient is intravascular, it is easy to operate, save the time,
Automatic expansion again after being inserted into, to be bonded with autologous vein.
When specifically, by exempting to suture the diameter diminution of blood vessel graft, apparatus can be passed through and clamp the compression support collar 2
Adjustment portion 21, to change the overlap length of adjustment portion 21, so that the diameter for exempting to suture connecting portion reduces；It is automatic again after being inserted into
Expansion, after being bonded with autologous vein, again can lock diameter, so as to prevent exempting to suture the diameter of connecting portion during use
Change, and then effectively reduce the hand caused by the size of the support collar 2 and the size of autologous vein of selection mismatch
Art fails.
Herein it should be added that, in order that exempt from suture blood vessel graft insertion autologous patient blood vessel after can be automatic
Expansion, the selection for supporting the collar 2 can be metal material or high polymer material；Wherein, the metal sheet of superlastic is preferred.
In addition, coating member 11 turn down after be that part envelopes the support collar 2, so as to convenient compression, place and lock support
The collar 2.
During practical application, because the both ends for generally exempting to suture blood vessel graft are intended to insert in autologous vein, therefore it is above-mentioned
The side of artificial blood vessel's body 1, which can be equipped with, exempts to suture connecting portion, as depicted in figs. 1 and 2, so that exempting to suture vasotransplantation
Two end diameters of thing are adjustable, and then make operation more convenient.Or, according to being actually needed, above-mentioned exempt to suture connecting portion can also
It is arranged on the intermediate region of artificial blood vessel's body 1.
It should be added that, coating member 11 can be made up with artificial blood vessel's body 1 of same material, also may be used herein
Can be preferably specifically terylene to be different materials.
Wherein, in order that coating member 11 is easy to turnover to envelope the support collar 2, as shown in Fig. 2, above-mentioned coating member 11
Diameter can be slightly larger than artificial blood vessel's body 1 diameter, so as between coating member 11 and artificial blood vessel's body 1 space just
It can be used in placing the support collar 2.
Fig. 3 exempts to suture a kind of structural representation for supporting the collar in blood vessel graft for what the utility model embodiment provided
Figure；Fig. 4 is the support set for exempting to suture when another kind in blood vessel graft is not arranged with block that the utility model embodiment provides
The structural representation of ring；Fig. 5 is that the another kind in blood vessel graft of exempting to suture that the utility model embodiment provides is arranged with block
When support the collar structural representation；Fig. 6 exempts from another in suture blood vessel graft for what the utility model embodiment provided
Support the structural representation of the collar.
Specifically, as shown in figures 3 to 6, the above-mentioned support collar 2 can include collar body 22, and the collar body 22
For open loop structure；Specifically, adjustment portion 21 can be arranged in collar body 22 and respectively positioned at the both sides of the open loop structure and set
Put.Due to supporting the collar body 22 of the collar 2 to be set on ring structure, therefore it is more beneficial for being set in artificial blood vessel's body 1
On.
Further, when actual production manufactures, as shown in figure 3, above-mentioned adjustment portion 21 can be located at together with collar body 22
One plane, and projection 211 can be provided with the adjustment portion 21 at the side of open loop structure, the tune at the opposite side of open loop structure
The multiple hole slots 212 matched with the projection 211 can be provided with section portion 21, and when projection 211 and one in multiple hole slots 212
After individual corresponding insertion, that is, diameter adjustment and the fixation of the support collar 2 are completed, so as to work as different projections 211 and different holes
The diameter of collar body 22 differs when groove 212 is to corresponding to, and when projection 211 matches fastening with hole slot 212, supports the collar 2
Diameter fix it is locked.Support the diameter fixation of the collar 2 locked, can effectively prevent from exempting to suture blood vessel graft by such as clasp
Etc. causing crimp.
It is of course also possible to it is：Can be provided with hole slot in adjustment portion 21 at the side of open loop structure, open loop structure it is another
The multiple projections matched with the hole slot can be provided with adjustment portion 21 at side, and when hole slot and one in multiple projections
After corresponding insertion, that is, diameter adjustment and the fixation of the support collar 2 are completed, it is corresponding so as to work as different hole slots and different projections
When, the diameter of collar body 22 differs, and when hole slot matches fastening with projection, the diameter fixation of the support collar 2 is locked.
Further, used to realize under not homologous transplantation scene, as shown in Fig. 4 and Fig. 5, above-mentioned adjustment portion
21 can be vertically arranged with collar body 22；Specifically, the adjustment portion 21 at the side of open loop structure can be the first adjustment sheet
213, the adjustment portion 21 at the opposite side of open loop structure can be set up in parallel along the circumferential direction of the support collar 2 multiple second
Adjustment sheet 214, so that after the first adjustment sheet 213 and the second different adjustment sheets 214 match corresponding, the diameter of collar body 22
Differ；Also, after the first adjustment sheet 213 is corresponding with a matching in multiple second adjustment sheets 214, as shown in figure 5,
First adjustment sheet 213 and the second adjustment sheet 214 can be completed to fix by locking piece 23, and the locking piece 23 can make support set
The diameter of ring 2 is fixed locked.Support the diameter fixation of the collar 2 locked, can effectively prevent from exempting to suture blood vessel graft by for example
Clasp etc. causes crimp.
Further, during actual use, above-mentioned locking piece 23 can be block, and the block can be set in the first regulation
The outside of the adjustment sheet 214 of piece 213 and second.
Further, as shown in fig. 6, above-mentioned adjustment portion 21 can be vertically arranged with collar body 22, the one of open loop structure
Adjustment portion 21 at side can be the first adjustment sheet 213, and offer first through hole on the first adjustment sheet 213, open loop structure
Adjustment portion 21 at opposite side can be to be set side by side with multiple second adjustment sheets 214 along the circumferential direction of the support collar 2, and
The second through hole can be offered on each second adjustment sheet 214, so as to when the first adjustment sheet 213 and the second different regulations
After the matching of piece 214 is corresponding, the diameter of collar body 22 differs；Also, when the first adjustment sheet 213 and multiple second adjustment sheets
After a matching in 214 corresponds to, for first through hole with that can be equipped with locking member 24 in the second through hole, the locking member 24 can
Make the diameter fixation of the support collar 2 locked.Support the diameter fixation of the collar 2 locked, can effectively prevent from exempting to suture vasotransplantation
Thing is caused crimp such as clasp.
Further, during actual use operation, above-mentioned locking member 24 can be hitching post (as shown in Figure 6), or can also
For silk thread etc..
Certainly, it is several that the mode specifically locked is also not limited to the above, can also be by screw thread, socket, colligation, machinery
Pressing, riveting are fixed or the locking that various ways complete two adjustment sheets such as fasten.
In addition, it can also be high polymer material etc. that the sorting of locking member 24, which can be metal material,.
Preferably, in order to further effectively prevent from supporting the collar 2 to be shifted over, as shown in Fig. 3-Fig. 6, above-mentioned collar sheet
The outer surface of body 22 can be provided with the spine 221 for preventing displacement, so as to be rubbed by the spine 221 with improving, and then
Play anti-displacement effect.
Herein it should be added that, above-mentioned spine 221 can be by after cutting bend can also pass through punching press
Made of being processed etc. mode, it can also be what is formed by two ways Compound Machining.Wherein, spine 221 cuts palintrope
Bent angle can be multiple angles, and it can also be uniformly uneven that distribution, which can be, and the spine 221 of ramming has a variety of
Mode, can be circle point or multiaspect point；Cutting class spine 221 also have various ways, can be every group have one or every group by
Multiple compositions, can be symmetrically or non-symmetrically respectively.
Specifically, above-mentioned spine 221 can be formed by being cut by laser and bending, the position of spine 221, distribution, shape
Shape, size can be adjusted by the flower pattern of cutting, and the bending angle and rising height of spine 221 can also be carried out flexibly
Control, due to supporting the diameter of the collar 2 compressible, therefore it ensure that spine 221 will not be to blood when being placed into autologous vein
Pipe produces injury, and spine 221 can directly be pierced into the middle level of artery after expansion, avoids and exempts to suture connecting portion because pulsing for a long time
The risk for shifting using producing in blood vessel and causing to leak blood or false aneurysm.
Fig. 7 is the support collar for exempting to suture a kind of closed loop configuration in blood vessel graft that the utility model embodiment provides
Structural representation；Fig. 8 exempts from a kind of support set of open loop structure in suture blood vessel graft for what the utility model embodiment provided
The structural representation of ring；Fig. 9 exempts to suture another closed loop configuration in blood vessel graft for what the utility model embodiment provided
Support the structural representation of the collar；Figure 10 exempts from another open loop in suture blood vessel graft for what the utility model embodiment provided
The structural representation of the support collar of structure.
During practical application, what the utility model embodiment provided exempts to suture in blood vessel graft, as shown in fig. 7, above-mentioned branch
Support set ring 2 includes collar body 22, and collar body 22 can be closed loop configuration；Wherein, adjustment portion 21 can be positioned at the collar
Rhombus framework or hexagonal-shaped frame on body 22, so that when the height of rhombus framework or hexagonal-shaped frame becomes short, support set
The diameter of ring 2 becomes big, and when the height of rhombus framework or hexagonal-shaped frame uprises, the diameter of the support collar 2 diminishes.
Or, as shown in figure 8, the above-mentioned support collar 2 includes collar body 22, and collar body 22 can be open loop structure；Wherein, adjust
Portion 21 can be rhombus framework or hexagonal-shaped frame in collar body 22.
Alternatively, what the utility model embodiment provided exempts to suture in blood vessel graft, and the above-mentioned support collar 2 includes the collar
Body 22, and collar body 22 can be the closed loop configuration being made up of multiple diamond framves；Or, as shown in figure 9, above-mentioned collar sheet
Body 22 can be the closed loop configuration being made up of multiple hexagonal-shaped frames.When the change of the height of rhombus framework or hexagonal-shaped frame is short,
The diameter of the collar 2 is supported to become big, when the height of rhombus framework or hexagonal-shaped frame uprises, the diameter of the support collar 2 becomes
It is small.
Alternatively, what the utility model embodiment provided exempts to suture in blood vessel graft, as shown in Figure 10, above-mentioned support
The collar 2 includes collar body 22, and the collar body 22 can be spiral open loop structure, so as to be elongated when spiral shape
When, the diameter of the support collar 2 diminishes, and when spiral shape is shortened, the diameter of the support collar 2 becomes big.
Certainly, it is above-mentioned to carry one or more rhombus frameworks, with one or more hexagonal-shaped frames and spiral shape knot
The spine 221 for preventing displacement can also be provided with the outer surface of the support collar 2 of structure.
Figure 11 is that the another kind that the utility model embodiment provides exempts to suture the structural representation of blood vessel graft.
As shown in figure 11, the another kind that the utility model embodiment provides exempts to suture in blood vessel graft, artificial blood vessel's sheet
Also with the multiple branch artificial blood vessels 3 for exempting from suturing part size adjustable on body 1.
Figure 12 is that another that the utility model embodiment provides is exempted to suture the structural representation of blood vessel graft.
As shown in figure 12, another of the utility model embodiment offer is exempted to suture in blood vessel graft, artificial blood vessel's sheet
The end of body 1 in axial direction also carries support 4.
The utility model embodiment also provides a kind of support collar, as shown in figures 3 to 6, including：Collar body 22 and tune
Section portion 21, collar body 22 are open loop structure, and adjustment portion 21 is arranged in collar body 22 and respectively positioned at open loop structure
Both sides are set；In use, retaining collar body 22 is adjusted by adjustment portion 21, so that the diameter of the support collar 2 is adjustable.
The utility model embodiment provides a kind of support collar again, as shown in Figure 10-Figure 11, including：Collar body 22,
Adjustment portion 21 is the flexible frame in collar body 22；Or, collar body 22 is made up of multiple flexible frames
Closed loop configuration；Or, collar body 22 is spiral shape open loop structure；In use, pass through flexible frame or spiral shape open loop structure
Retaining collar body 22 is adjusted, so that the diameter of the support collar 2 is adjustable.
The support collar and exempt from suture blood vessel graft using it that the utility model embodiment provides, mainly with following
Some advantage：
Operating theater instruments can be used to be adjusted for exempting to suture the end diameter of graft, it is easy to use；
With fixed mechanism, the diameter for exempting to suture graft end is locked after filling, avoids being extruded and causes
Deformation；
The outer surface of the support collar carries spine, for preventing from shifting.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (12)
1. one kind is exempted to suture blood vessel graft, it is characterised in that including：Artificial blood vessel's body, band on artificial blood vessel's body
Have exempt from suture connecting portion, it is described exempt from suture connecting portion by the outside of artificial blood vessel's body and with the artificial blood vessel
The coating member that body is coaxially seamlessly connected, and the support collar being positioned between the coating member and artificial blood vessel's body
Form；
The support collar is provided with adjustment portion, and the adjustment portion part is exposed at outside the coating member, and the adjustment portion is used
In the diameter of the fixed support collar of regulation, so that the diameter for exempting to suture connecting portion for exempting to suture blood vessel graft
It is adjustable.
2. according to claim 1 exempt to suture blood vessel graft, it is characterised in that the side of artificial blood vessel's body is equal
Exempt to suture connecting portion provided with described；Or, the intermediate region exempted from suture connecting portion and be arranged on artificial blood vessel's body.
3. according to claim 1 or 2 exempt to suture blood vessel graft, it is characterised in that the diameter of the coating member is more than
The diameter of artificial blood vessel's body.
4. according to claim 1 or 2 exempt to suture blood vessel graft, it is characterised in that the support collar includes the collar
Body, and the collar body is open loop structure；The adjustment portion is arranged in the collar body and opened respectively positioned at described
The both sides of ring structure are set.
5. according to claim 4 exempt to suture blood vessel graft, it is characterised in that the institute at the side of the open loop structure
State and projection is provided with adjustment portion, be provided with the adjustment portion at the opposite side of the open loop structure and matched with the projection
Multiple hole slots；
After the raised insertion corresponding with one in multiple hole slots, the diameter adjustment of the support collar and solid is completed
It is fixed.
6. according to claim 4 exempt to suture blood vessel graft, it is characterised in that the institute at the side of the open loop structure
It is the first adjustment sheet to state adjustment portion, and the adjustment portion at the opposite side of the open loop structure is the circumference along the support collar
Multiple second adjustment sheets that direction is set up in parallel；First adjustment sheet matches pair with one in multiple second adjustment sheets
Ying Hou, first adjustment sheet are completed to fix with second adjustment sheet by locking piece.
7. according to claim 4 exempt to suture blood vessel graft, it is characterised in that the institute at the side of the open loop structure
It is the first adjustment sheet to state adjustment portion, and first through hole is offered on first adjustment sheet, at the opposite side of the open loop structure
The adjustment portion be to be set side by side with multiple second adjustment sheets along the circumferential direction of the support collar, and each described second
The second through hole is offered on adjustment sheet；First adjustment sheet is corresponding with a matching in multiple second adjustment sheets
Afterwards, the first through hole in second through hole with being equipped with locking member.
8. according to claim 7 exempt to suture blood vessel graft, it is characterised in that the locking member is hitching post or silk thread.
9. according to claim 4 exempt to suture blood vessel graft, it is characterised in that the outer surface of the collar body is set
There is the spine for preventing displacement.
10. according to claim 1 or 2 exempt to suture blood vessel graft, it is characterised in that the support collar includes the collar
Body, and the collar body is closed loop configuration；The adjustment portion is the rhombus framework in the collar body or six sides
Shape framework.
11. according to claim 1 or 2 exempt to suture blood vessel graft, it is characterised in that the support collar includes the collar
Body, and the collar body is the closed loop configuration being made up of multiple diamond framves；
Or, the collar body is the closed loop configuration being made up of multiple hexagonal-shaped frames.
12. according to claim 1 or 2 exempt to suture blood vessel graft, it is characterised in that the support collar includes the collar
Body, and the collar body is spiral open loop structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018208.5U CN206964701U (en) | 2017-01-06 | 2017-01-06 | Exempt to suture blood vessel graft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018208.5U CN206964701U (en) | 2017-01-06 | 2017-01-06 | Exempt to suture blood vessel graft |
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| Publication Number | Publication Date |
|---|---|
| CN206964701U true CN206964701U (en) | 2018-02-06 |
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| CN201720018208.5U Withdrawn - After Issue CN206964701U (en) | 2017-01-06 | 2017-01-06 | Exempt to suture blood vessel graft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726002A (en) * | 2017-01-06 | 2017-05-31 | 北京华脉泰科医疗器械有限公司 | Exempt from suture blood vessel graft, the support collar |
| CN109223250A (en) * | 2018-10-12 | 2019-01-18 | 大连科万维医疗科技有限公司 | One kind is exempted to suture integral type branch overlay film frame blood vessel |
-
2017
- 2017-01-06 CN CN201720018208.5U patent/CN206964701U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726002A (en) * | 2017-01-06 | 2017-05-31 | 北京华脉泰科医疗器械有限公司 | Exempt from suture blood vessel graft, the support collar |
| CN109223250A (en) * | 2018-10-12 | 2019-01-18 | 大连科万维医疗科技有限公司 | One kind is exempted to suture integral type branch overlay film frame blood vessel |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180206 Effective date of abandoning: 20181012 |