CN109771112A - The connector of transportation system - Google Patents
The connector of transportation system Download PDFInfo
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- CN109771112A CN109771112A CN201811497816.4A CN201811497816A CN109771112A CN 109771112 A CN109771112 A CN 109771112A CN 201811497816 A CN201811497816 A CN 201811497816A CN 109771112 A CN109771112 A CN 109771112A
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- connecting tube
- proximal end
- disk
- positioning
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000002513 implantation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 13
- 238000000926 separation method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000002792 vascular Effects 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000028831 congenital heart disease Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
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Abstract
The invention discloses a kind of connectors of transportation system, including delivery pipe, multiple connecting tubes and positioning disk, the first hole and multiple second holes are offered on positioning disk respectively, the distal end of delivery pipe is fixed in the first hole, the proximal end of each connecting tube is respectively and fixedly connected in each second hole, first hole is the centre bore of positioning disk, each second hole is arranged around first hole, position limiting structure is provided in second hole, location structure is provided in connecting tube, when connecting tube and positioning disk are affixed, location structure and position limiting structure cooperate, to keep the installation site of connecting tube.The connector intensity is high, directionality is good, so that the identity of each connecting tube is guaranteed, to guarantee the implantation precision of expansion type bracket, reduces the pain and financial burden of patient.
Description
Technical field
The present invention relates to transportation system fields, and in particular to the transportation system of insertion type medical instrument, more particularly to it is a kind of
The connector of transportation system.
Background technique
With the continuous progress of science and technology, percutaneous interventional technique is widely used in disease treatment field, percutaneous to intervene
Technology be by intubation intervention human body, by insertion type medical instrument (such as intravascular stent, heart valve, heart defect amplatzer,
Vascular plug and vascular filter etc.) or drug be placed into the lesions position of human body, to realize treatment to disease.In intervention medical treatment
Instrument is implanted into the heart of human body, in artery and vein vascular when, since the heart of human body and the anatomical structure of artery and vein vascular are complicated,
Guarantee that interventional medical device accurately reaches predetermined position, it is necessary to utilize conveying device.
In the prior art, conveying device includes conduit, seal wire and pusher, and conduit is arrived first under the guiding of seal wire
Seal wire is removed, interventional medical device is included in conduit, push is utilized after conduit reaches predetermined position up to predetermined position
Device by the channel established by conduit the end of interventional medical device guiding catheter, when interventional medical device reaches the end of conduit
When end, interventional medical device is released out of conduit, during release, if the placement location of interventional medical device is not
It is good, then it needs again to return to interventional medical device in conduit, discharge again, last interventional medical device is wanted and pusher
It disconnects.
Self-expansion type bracket is during implantation, when operator starts to release bracket from the open end of delivery sheath,
The end very fast " jump " that bracket is intended to sheath goes out, and the outwardly biased power of Support frame is easy to cause bracket from delivery sheath
Distal end is popped up very fast, thus a possibility that being difficult to accurate and controlled mode transfer gantry, increasing patient's wound.
It include hitch gear in conveying device 100 referring to Fig. 1 to solve the above problems, being improved to conveying device
10, jack 30 and handle mechanism 50, handle mechanism 50 are connect with jack 30, drive radio and tape player by handle mechanism 50
Structure 30 carries out radial limit to self-expansion type bracket 200 to realize, so that self-expansion type bracket 200 can during release
Control, hitch gear 10 include more connecting tubes 101, and there is the feature of switch to pass through company when in use for the distal end of connecting tube 101
The distal end of adapter tube 101 is attached with expansion type bracket 200, and after expansion type bracket 200 is placed, each connecting tube 101 is divided
It is not separated with expansion type bracket 200, to complete the implantation of expansion type bracket 200.
During implantation, more connecting tubes need to keep preferable directionality insertion type medical instrument, still, due to
Intervention apparatus generally requires lesser size, and the thickness of connecting tube is generally required in 0.05mm hereinafter, in existing process conditions
It is relatively difficult to guarantee the directionality of each connecting tube down, in the implantation process of expansion type bracket, it is prone to inaccurate situation is positioned, from
And lead to second operation, increase the pain and financial burden of patient.
Summary of the invention
The purpose of the present invention is at least solving one of above-mentioned problems of the prior art, which is by following skill
What art scheme was realized:
The present invention provides a kind of connector of transportation system, including delivery pipe, multiple connecting tubes and positioning disk, the positioning
The first hole and multiple second holes are offered on disk respectively, the distal end of the delivery pipe is fixed in first hole, each company
The proximal end of adapter tube is respectively and fixedly connected in each second hole, it is characterised in that: and first hole is the centre bore of the positioning disk,
Each second hole is arranged around first hole, is provided with position limiting structure in second hole, is provided in the connecting tube
Location structure, when the connecting tube and the positioning disk are affixed, the location structure and the position limiting structure cooperate, to keep
The installation site of the connecting tube.
The connector of above-mentioned transportation system cooperates with by the location structure on the position limiting structure and connecting tube on positioning disk
It realizes and the circumferential direction of connecting tube is limited, so that the directionality after each connecting tube is fixed is effectively ensured, so that expansion type
The implantation precision of bracket is guaranteed, and reduces the pain and financial burden of patient.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of conveyer expandable implant formula bracket in the prior art；
Fig. 2 is the structural schematic diagram of connector concrete application provided by the present invention；
Fig. 3 is the structural schematic diagram of connector provided by the present invention (connecting tube bending state does not include fixed disk)；
Fig. 4 is the structural schematic diagram of conveyer provided by the present invention (connecting tube vertical state does not include fixed disk)；
Fig. 5 is the exploded view (not including fixed disk) of conveyer shown in Fig. 4；
Fig. 6 is the partial sectional view (not including fixed disk) of conveyer shown in Fig. 4；
Fig. 7 is the exploded view (first embodiment, positioning disk broken section) of conveyer provided by the invention；
Fig. 8 be conveyer provided by the invention in connecting tube and the second hole separation after radial cutaway view (first embodiment,
It is connected to a plane, and inside notch and connecting tube)；
Fig. 9 be conveyer provided by the invention in connecting tube and the second hole separation after radial cutaway view (first embodiment,
There are two conjoined plane flats for tool, and are connected to inside notch and connecting tube)；
(first implements radial cutaway view of the Figure 10 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example, there are two tools is not attached to plane, and is connected to inside notch and connecting tube)；
(first implements radial cutaway view of the Figure 11 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example has a plane, and notch is not connected to connecting tube inside)；
(first implements radial cutaway view of the Figure 12 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example, there are two conjoined plane flats for tool, and notch is not connected to connecting tube inside)；
(first implements radial cutaway view of the Figure 13 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example, there are two tools is not attached to plane, and notch is not connected to connecting tube inside)；
Radial cutaway view (third implementation of the Figure 14 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example, there are two sliding blocks for tool, and two sliding slots are connected to connecting tube inside respectively)；
Radial cutaway view (third implementation of the Figure 15 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example, there are four sliding blocks for tool, and four sliding slots are connected to connecting tube inside respectively)；
Radial cutaway view (third implementation of the Figure 16 for connecting tube in conveyer provided by the invention and after the separation of the second hole
Example has elongated slot, and two convex blocks are not connected to connecting tube inside)；
Figure 17 is structural schematic diagram (fourth embodiment, the distal end bending of connecting tube, the packet of conveyer provided by the present invention
Include fixed disk)；
Figure 18 is the exploded view of conveyer shown in Figure 17；
Figure 19 is structural schematic diagram (connecting tube and positioning ring separation, fixed disk and the positioning of conveyer shown in Figure 17
Disk broken section)；
Figure 20 is the structural schematic diagram (positioning disk and fixed disk broken section) of conveyer shown in Figure 17
Figure 21 is the structural schematic diagram of conveyer shown in Figure 17 (fixed disk broken section, delivery pipe are not shown).
Appended drawing reference
In Fig. 1: 100 be conveying device, and 10 be hitch gear, and 101 be connecting tube, and 30 be jack, and 50 be handle machine
Structure, 200 be expansion type bracket；
In Fig. 2 into Figure 20:
300 be connector, and 400 be bracket；
1 is connecting tube, and 11 be notch, and 12 be sliding slot, and 13 be convex block；
2 be positioning disk, and 21 be the first hole, and 22 be the second hole, and 221 be plane, and 222 be sliding block, and 223 be elongated slot；
3 be delivery pipe；
4 be fixed disk, and 41 be third hole, and 42 be the 4th hole；
5 be positioning ring.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
In order to clearly describe the structure of connector, term " distal end ", " proximal end " are limited herein, these terms are to be situated between
Enter medical instruments field common terminology.Specifically, " distal end " indicates one end in surgical procedure far from operator, " proximal end " table
Show one end that proximal operator is depended in surgical procedure.
First embodiment:
Fig. 2 to Fig. 6 is please referred to, the present invention provides a kind of connectors applied in insertion type medical appliance conveying system
300, including delivery pipe 3, multiple connecting tubes 1 and positioning disk 2, the first hole 21 and multiple second holes are offered respectively on positioning disk 2
22, the distal end of delivery pipe 3 is fixed in the first hole 21, and the proximal end of each connecting tube 1 is respectively and fixedly connected in each second hole 22, the first hole
21 be the centre bore of positioning disk 2, and each second hole 22 is arranged around the first hole 21.Specifically, the hole in each second hole 22 is formed centrally
Circumference is arranged concentrically with the first hole 21, and delivery pipe 3 is fixed in the first hole 21 with one heart.In the illustrated embodiment, delivery pipe 3
The distally non-bulging distal end in positioning disk 2, each connecting tube 1 are fixed in one heart respectively in each second hole 22, and each connecting tube 1
The non-bulging proximal end in positioning disk 2 in proximal end.
Specifically, positioning disk 2 is circular plate structure, and the first hole 21 is provided with the center of positioning disk 2, and the first hole 21
The center of Kong Xinyu positioning disk 2 be overlapped, the aperture in the first hole 21 is slightly larger than the outer diameter of delivery pipe 3, when installation, by delivery pipe 3
21 proximal end of the first hole of distal end aperture insertion, until delivery pipe 3 distal end it is concordant with the aperture of 21 distal end of the first hole, keep
Delivery pipe 3 and the first hole 21 are coaxially disposed, and delivery pipe 3 is fixed on to the inside in the first hole 21；Each second hole 22 is around the first hole 21
Circumferential setting, the hole heart in each second hole 22 are formed by circumference and are overlapped with the hole heart in the first hole 21, that is to say, that each second hole 22
The distance in the first hole of distance 21 is equal, and the aperture in the second hole 22 is slightly larger than the outer diameter of connecting tube 1, when installation, each connecting tube 1
The proximal end aperture insertion through each second hole, 22 distal end respectively, until the proximal end of each connecting tube 1 is concordant with the proximal end of positioning disk 2, respectively
Connecting tube 1 and each second hole 22 are coaxially disposed, and each connecting tube 1 is separately fixed in each second hole 22.As delivery pipe 3 and Ge Lian
After the completion of adapter tube 1 is connect with positioning disk 2 respectively, delivery pipe 3 and each connecting tube 1 are split in the two sides of positioning disk 2, delivery pipe 3 to
Proximal end extends, and each connecting tube 1 extends to distal end respectively.
It is to be appreciated that above-mentioned each connecting tube 1 needs the direction by each connecting tube 1 to be adjusted to meet use before fixation
Direction on be fixed again so that each connecting tube 1 after the completion of fixed is able to maintain good directionality, thus
Guarantee the implantation precision of bracket 400.
It should be pointed out that above-mentioned delivery pipe 3 can be to be clamped, be threadedly coupled or weld with the connection type of positioning disk 2
It connects, the preferred connection type of the present embodiment is welding, after delivery pipe 3 is inserted into the first hole 21, keeps delivery pipe 3 and the first hole 21
Coaxially, pass through proximally and distally welding respectively to the link position of the two in the first hole 21；Connecting tube 1 and positioning disk 2
Connection type can for clamping, be threadedly coupled or welding etc., the preferred connection type of the present embodiment be welding, connecting tube 1
After being inserted into the second hole 22, keep connecting tube 1 and the second hole 22 it is coaxial, by the second hole 22 proximally and distally respectively to the two
Link position welded.By above-mentioned connection type, the intensity and stability of link position, a side can be effectively improved
Face can effectively ensure that the directionality of each connecting tube 1 after fixation, so that the implantation precision of bracket 400 is effectively ensured, separately
On the one hand it avoids delivery pipe 3 or connecting tube 1 in use process from separating with positioning disk 2, improves the safety in use process.
In addition, connecting tube 1 is flexible tubular structure, the material of connecting tube 1 can select Nitinol, macromolecule material
Material or stainless steel, to effectively meet the needs of using, the material of delivery pipe 3 is preferably stainless steel, passes through above-mentioned material
Selection can effectively ensure that the safety in the effect and use process used.
It is further understood that, each second hole 22 is equally circumferentially spaced around the first hole 21.When each connecting tube 1 respectively with
After each second hole 22 connects, so that 2 uniform force of positioning disk, avoids the occurrence of stress concentration phenomenon caused by unbalance loading, guarantee each company
The stability of position is connect, and then improves the safety in use process.
It is to be appreciated that the quantity in above-mentioned second hole 22 can be greater than the quantity of connecting tube 1, connecting tube can also be equal to
1 quantity.When the quantity in the second hole 22 is greater than the quantity of connecting tube 1, each connecting tube 1 is affixed with each second hole 22 respectively, Gu
After the completion of connecing, each connecting tube 1 is equally circumferentially spaced around the first hole 21, to guarantee 2 uniform force of positioning disk, so that respectively connecting
The stability at the place of connecing is guaranteed.When the quantity in the second hole 22 is equal with the quantity of connecting tube 1, each connecting tube 1 and each second
Hole 22 is arranged in a one-to-one correspondence, to guarantee 2 uniform force of positioning disk, and then improves the stability and intensity of connection.
Further, it is respectively arranged with position limiting structure in the second hole 22, location structure is respectively arranged in connecting tube 1, even
When adapter tube 1 and positioning disk 2 are affixed, location structure and position limiting structure cooperate, to keep the installation site of connecting tube 1.Carry out
When the fixation of connecting tube 1 and positioning disk 2, the proximal end of connecting tube 1 is inserted into the inside in the second hole 22, passes through location structure and limit
The cooperation of structure, so that position of the connecting tube 1 in the second hole 22 is kept, after connecting tube 1 and fixed positioning disk 2
The directionality of connecting tube 1 is enabled to be guaranteed.
It is to be appreciated that above-mentioned position limiting structure is configured according to the direction after the completion of the fixation of connecting tube 1, that is,
It says, be inserted into the second hole 22 by connecting tube 1, position limiting structure can position the direction of connecting tube 1 with location structure cooperation,
It is adjusted without the direction to connecting tube 1, to guarantee the directionality after the fixation of connecting tube 1, while can be improved connecting tube 1
In the efficiency when assembled of positioning disk 2.
Referring to FIG. 7, further, the second hole 22 is circular hole, at least one and second are set on the hole wall in the second hole 22
The plane 221 of the aperture perforation of 22 distal end of hole, to form position limiting structure, the outer surface of 1 proximal end of connecting tube is provided with and plane
The consistent notch 11 of 221 quantity, to form location structure, when connecting tube 1 is connect with positioning disk 2, the proximal end of connecting tube 1 is inserted into
In second hole 22, notch 11 and plane 221 cooperate, to limit the rotation of connecting tube 1.Specifically, connecting tube 1 is round tube knot
Structure, the second hole 22 is circular hole, after at least one plane 221 is set on the hole wall in the second hole 22, the radial section in the second hole 22
Closing structure is formed for straight line and camber line, at this point, at least one notch 11 is set on the outer circumference surface of 1 proximal end of connecting tube,
11 position of notch of connecting tube 1 carries out radial cutting, and the cross-sectional shapes of connecting tube 1 are consistent with the cross-sectional shapes in the second hole 22, even
When adapter tube 1 is connect with positioning disk 2, the second hole 22 is inserted into the proximal end of connecting tube 1, so that notch 11 and plane 221 cooperate, thus
It realizes the limit circumferential to connecting tube 1, and then guarantees the directionality after the fixation of connecting tube 1.
It is to be appreciated that please refer to Fig. 8 to Figure 13, above-mentioned plane 221 can for one, two or more, connection
11 quantity of notch on pipe 1 is consistent with the quantity of plane 221, by carrying out multipoint limit to connecting tube 1, thus the company of raising
Adapter tube 1 avoids connecting tube 1 from rotating with respect to the second hole by the stability after the limit of the second hole 22, so that connecting tube 1
Positioning accuracy is improved, and then effectively improves the precision of the implantation of bracket 400.
It should be pointed out that above-mentioned plane 221 one end and the second hole 22 proximal end penetrate through, the other end of plane 221 with
The distal end in the second hole 22 penetrates through, that is to say, that the length of plane 221 is consistent with the depth in the second hole 22, with this configuration can
Increase the contact area of connecting tube 1 upper cut 11 and plane 221, so as to improve plane 221 to the limit strength of notch 11,
It avoids connecting tube 1 from rotating with respect to the second hole 22, and then improves the second hole 22 to the limit accuracy of connecting tube 1.
Specifically, please continue to refer to Fig. 8 to Figure 13, since connecting tube 1 is tubular structure, notch 11 can be with connecting tube 1
Internal run-through, notch 11 can not also be with the internal run-through of connecting tube 1.When notch 11 and the internal run-through of connecting tube 1, connection
After pipe 1 is inserted into the inside in the second hole 22, the plane 221 in the second hole 22 carries out the benefit of material to 11 position of notch of connecting tube 1
It fills, so that connecting tube 1 forms enclosed construction again, it is fixed to the circumferential direction of connecting tube 1 to be realized by the cooperation of plane 221 and notch 11
Position, so that 1 fixed precision of connecting tube is effectively ensured, so that the directionality of connecting tube 1 is guaranteed.When notch 11 not and even
When the internal run-through of adapter tube 1, notch 11 is formed on the side wall ontology of connecting tube 1, and the structure inside connecting tube 1 not will receive shadow
It rings, avoids external factor to the influence inside connecting tube 1, so that the passability of connecting tube 1 is guaranteed.
Second embodiment:
The difference of second embodiment and first embodiment explained below, for second embodiment and first embodiment
Details are not described herein for same or similar place.
Figure 16 is please referred to, in one embodiment, it is remote with the second hole 22 that at least one is opened up on the hole wall in the second hole 22
The aperture at end penetrates through elongated slot 223, and to form position limiting structure, the outer surface of 1 proximal end of connecting tube is provided with and 223 quantity one of elongated slot
The convex block 13 of cause, to form location structure, when connecting tube 1 is connect with positioning disk 2, the second hole 22 is inserted into the proximal end of connecting tube 1
Interior, convex block 13 is connected in elongated slot 223, to limit the rotation of connecting tube 1.The length direction of above-mentioned elongated slot 223 and the second hole
22 depth direction is consistent, and the external surface shape of convex block 13 is adapted with the shape of elongated slot 223, when connecting tube 1 is fixed,
The second hole 22 is inserted into 1 proximal end of connecting tube, so that convex block 13 is slided along elongated slot 223, after connecting tube 1 is installed in place, will be connected
Pipe 1 is fixed with the second hole 22.It is realized by the cooperation of convex block 13 and elongated slot 223 to the limit in 1 circumferential direction of connecting tube, thus
The positioning accuracy of connecting tube 1 is improved, and then ensure that the directionality after the fixation of connecting tube 1, meets the needs of actual use.
Figure 14 and Figure 15 are please referred to, in another embodiment, is provided with sliding block 222 on the hole wall in the second hole 22, with
Just form position limiting structure, the outer surface of 1 proximal end of connecting tube offer with the consistent sliding slot 12 of 222 quantity of sliding block, it is fixed to be formed
Bit architecture, one end of sliding slot 12 and the proximal end of connecting tube 1 penetrate through, and when connecting tube 1 is connect with positioning disk 2, the proximal end of connecting tube 1 is inserted
Enter in the second hole 22, sliding block 222 is connected in sliding slot 12, to limit the rotation of connecting tube 1.The length side of above-mentioned sliding block 222
To consistent with the depth direction in the second hole 22, the shape of sliding slot 12 is adapted with the shape of sliding block 222, when connecting tube 1 is consolidated
Periodically, the second hole 22 is inserted into 1 proximal end of connecting tube, so that 12 opposing slider 222 of sliding slot is mobile, after connecting tube 1 is installed in place,
Connecting tube 1 and the second hole 22 are fixed.It is realized by the cooperation of sliding block 222 and sliding slot 12 to the limit in 1 circumferential direction of connecting tube
Position to improve the positioning accuracy of connecting tube 1, and then ensure that the directionality after the fixation of connecting tube 1, meet actual use
Demand.
It should be pointed out that sliding slot 12 can be with the internal run-through of connecting tube 1, sliding slot since connecting tube 1 is tubular structure
12 can not also be with the internal run-through of connecting tube 1.When the internal run-through of sliding slot 12 and connecting tube 1, connecting tube 1 is inserted into the second hole 22
Inside after, sliding block 222 in the second hole 22 carries out the supplement of material, the sliding block after supplement to 12 position of sliding slot of connecting tube 1
222 make connecting tube 1 form enclosed construction again, and it is fixed to the circumferential direction of connecting tube 1 to be realized by the cooperation of sliding block 222 and sliding slot 12
Position, so that 1 fixed precision of connecting tube is effectively ensured, so that the directionality of connecting tube 1 is guaranteed.When sliding slot 12 not and even
When the internal run-through of adapter tube 1, sliding slot 12 is formed on the side wall ontology of connecting tube 1, on the one hand can be realized with this configuration pair
The effective position of connecting tube 1 guarantees the directionality after connecting tube 1 is fixed.
3rd embodiment:
The difference of 3rd embodiment and first embodiment explained below, for 3rd embodiment and first embodiment
Details are not described herein for same or similar place.
Specifically, Figure 17 to Figure 21 is please referred to, connector 300 further includes fixed ring and consolidating for 2 proximal end of positioning disk is arranged in
Price fixing 4 offers third hole 41 and multiple 4th holes 42, the position pair of the position in third hole 41 and the first hole 21 in fixed disk 4
It should be arranged, and the shape and size in third hole 41 are consistent with the shape and size in the first hole 21, the quantity in the 4th hole 42 and the
The quantity in two holes 22 is consistent, and each 4th hole 42 is correspondingly arranged with each second hole 22 respectively；Positioning ring 5 is arranged in the 4th hole 42
Interior, the proximal end of connecting tube 1 passes through the second hole 22, and the proximal end of connecting tube 1 is fixed in positioning ring 5.
In above structure, fixed disk 4 is bonded setting with the proximal end of positioning disk 2, and third hole 41 and the first hole 21 are coaxially disposed,
Each 4th hole 42 is coaxially disposed with each second hole 22 one by one respectively, is connected with positioning ring 5 in the 4th hole 42, positioning ring 5 it is interior
Diameter is consistent with the internal diameter in the second hole 22, and when connecting tube 1 is installed, the second hole 22, the second hole are inserted into the proximal end of connecting tube 1
The notch 11 of plane 221 and connecting tube 1 on 22 cooperates, and connecting tube 1 is continued into, so that the proximal end of connecting tube 1 enters positioning
After the inside of ring 5, connecting tube 1 and positioning ring 5 are socketed, keep positioning ring 5 and connecting tube 1 fixed (such as in the sidewall weld of positioning ring 1
Shown in Figure 20, the stain in 5 outside of positioning ring is solder joint), then positioning ring 5 is inserted into the 4th hole 42 of fixed disk 4, fixed disk
4 are welded (as shown in figure 21, the stain in 5 end of positioning ring is solder joint) with the end of the interface of positioning ring 1, due to connection
The wall thickness of pipe 1 is smaller, and when welding is easy to that 1 internal diameter of connecting tube is caused to become smaller, and the passability of connecting tube 1 is caused to be deteriorated or even component
The influence in welding process to connecting tube can not be effectively avoided with this configuration by connecting tube 1, thus guaranteeing to connect
The passability and intensity of pipe 1.In addition, by increasing positioning ring 1 number of welds can be increased, so that the connection of connecting tube 1 can
It is improved by property, stability increases.
Specifically, the length of notch 11 is greater than the thickness of fixed disk 4, and the length of notch 11 is less than or equal to fixed disk
4 thickness and the sum of the thickness of positioning disk 2.After enabling to connecting tube 1 to be connected and fixed by above structure, notch 11 is complete
It is enclosed in the inside of positioning disk 2 and fixed disk 4, so that external environment be effectively ensured to the influence inside connecting tube 1, and then is guaranteed
Effective use of connecting tube 1.
Specifically, the height of positioning ring 5 is less than or equal to the thickness of fixed disk 4, and the end face of 5 distal end of positioning ring and solid
The end face of 4 distal end of price fixing is concordant.When positioning ring 5 after the installation is completed, distal end is between positioning disk 2 and fixed disk 4, due to fixed
The end face of position 5 distal end of ring is concordant with the end face of 4 distal end of fixed disk, so as to be effectively ensured between positioning disk 2 and fixed disk 4
Compactness, to further increase the intensity connected between fixed disk 4 and positioning disk 2, meanwhile, the height of positioning ring 5 be less than or
Equal to the thickness of fixed disk 4, that is to say, that the end face of 5 proximal end of positioning ring is concordant with the end face of 4 proximal end of fixed disk or indent exists
In 4th hole 42, the protrusion of positioning ring 5 and fixed disk 4 can be effectively avoided with this configuration, positioning ring 5 is avoided to plant in bracket 400
To the damage of other workpieces or human vas during entering, guarantee the safety in use process.
The connector of transportation system provided by the present embodiment compared with prior art, has the advantages that
1, it is realized by the location structure cooperation on the position limiting structure and connecting tube on positioning disk and the circumferential direction of connecting tube is limited
Position, meanwhile, the axial limiting to connecting tube is realized by the cooperation of positioning ring and the location structure of connecting tube, by connecting tube
The limit for carrying out axial and circumferential improves the fixed precision of connecting tube, so that the directionality after each connecting tube is fixed obtains effectively
Guarantee, so that the implantation precision of expansion type bracket is guaranteed, reduces the pain and financial burden of patient.
2, the quantity of solder joint can be effectively increased by the way that positioning ring is arranged, so that the fixing intensity and stability of connecting tube obtain
The influence being welded and fixed to connecting tube is avoided to guarantee, and by the way that positioning ring is arranged, protects the passability of connecting tube
Card.
3, it enables to the structure of connector smooth by the way that fixed disk is arranged, formation protrusion on connector is avoided to cause to connect
Device scrapes the generation of the case where injured tissue in the process of movement.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another component, assembly unit, region, layer or section.Unless up and down
Text is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text not
Imply sequence or order.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (7)
1. a kind of connector of transportation system, including delivery pipe, multiple connecting tubes and positioning disk, opened up respectively on the positioning disk
There are the first hole and multiple second holes, the distal end of the delivery pipe is fixed in first hole, the proximal end point of each connecting tube
It is not fixed in each second hole, it is characterised in that: first hole is the centre bore of the positioning disk, each second hole
It is arranged around first hole, is provided with position limiting structure in second hole, location structure is provided in the connecting tube, it is described
When connecting tube and the positioning disk are affixed, the location structure and the position limiting structure cooperate, to keep the connecting tube
Installation site.
2. the connector of transportation system according to claim 1, it is characterised in that: second hole is circular hole, described the
The plane of the aperture perforation of at least one and second hole distal end is set on the hole wall in two holes, is tied to form the limit
Structure, the outer surface of the connecting tube proximal end be provided with the consistent notch of plane quantity, to form the location structure,
When the connecting tube is connect with the positioning disk, the proximal end of the connecting tube is inserted into second hole, the notch with it is described
Plane cooperation, to limit the rotation of the connecting tube.
3. the connector of transportation system according to claim 1, it is characterised in that: opened up on the hole wall in second hole to
The aperture of few one and second hole distal end penetrates through elongated slot, to form the position limiting structure, the connecting tube proximal end outside
Surface is provided with and the long consistent convex block of slot number, to form the location structure, the connecting tube and the positioning
When disk connects, the proximal end of the connecting tube is inserted into second hole, and the convex block is connected in the elongated slot, to limit
State the rotation of connecting tube.
4. the connector of transportation system according to claim 1, it is characterised in that: be provided on the hole wall in second hole
Sliding block, to form the position limiting structure, the outer surface of the connecting tube proximal end is offered and the consistent cunning of sliding block quantity
Slot, to form the location structure, the proximal end of one end of the sliding slot and the connecting tube is penetrated through, the connecting tube with it is described
When positioning disk connects, the proximal end of the connecting tube is inserted into second hole, and the sliding block is connected in the sliding slot, to limit
Make the rotation of the connecting tube.
5. the connector of transportation system according to claim 1, it is characterised in that: the connector further include fixed ring and
The fixed disk of the positioning disk proximal end is set, third hole and multiple 4th holes, the third hole are offered in the fixed disk
The position of position and first hole be correspondingly arranged, and the shape of the shape and size in the third hole and first hole
Consistent with size, the quantity in the 4th hole is consistent with the quantity in second hole, and each 4th hole respectively with each institute
The second hole is stated to be correspondingly arranged；
The positioning ring is arranged in the 4th hole, and the proximal end of the connecting tube passes through second hole, the connecting tube
Proximal end is fixed in the positioning ring.
6. the connector of transportation system according to claim 5, it is characterised in that: the length of the location structure is greater than institute
The thickness of fixed disk is stated, and the length of the location structure is less than or equal to the thickness and the positioning disk of the fixed disk
The sum of thickness.
7. the connector of transportation system according to claim 5, it is characterised in that: the height of the positioning ring is less than or waits
In the thickness of the fixed disk, and the end face of the positioning ring distal end is concordant with the end face of the fixed disk distal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497816.4A CN109771112B9 (en) | 2018-12-07 | 2018-12-07 | Connector for conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497816.4A CN109771112B9 (en) | 2018-12-07 | 2018-12-07 | Connector for conveying system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| CN109771112A true CN109771112A (en) | 2019-05-21 |
| CN109771112B CN109771112B (en) | 2024-05-17 |
| CN109771112B9 CN109771112B9 (en) | 2024-07-16 |
Family
ID=66495783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497816.4A Active CN109771112B9 (en) | 2018-12-07 | 2018-12-07 | Connector for conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109771112B9 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207592A1 (en) * | 2022-04-26 | 2023-11-02 | Accumedical Beijing Ltd. | Repositionable intracranial stent with retrieval mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109771112B9 (en) | 2024-07-16 |
| CN109771112B (en) | 2024-05-17 |
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Effective date of registration: 20231228 Address after: 518000 1604, Xianjian technology building, No. 22, Keji South 12th Road, gaoxinyuan community, Yuehai street, Nanshan District, Shenzhen, Guangdong Province Applicant after: Shenzhen Jianxin Medical Technology Co.,Ltd. Address before: 518000 1st-5th Floor of Saiba Research Building, Langshan Second Road, North District of Nanshan High-tech Industrial Park, Shenzhen City, Guangdong Province Applicant before: LIFETECH SCIENTIFIC (SHENZHEN) Co.,Ltd. |
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Correction item: Claims Correct: Claims 1-6 submitted on February 16, 2022 False: Claims 1-7 submitted on April 12, 2021 Number: 20-02 Page: ?? Volume: 40 |