Utility model content
A purpose of the present utility model is to provide a kind of seal wire guiding device, and this guiding device is prevented effectively from the problem that seal wire is wound around in vivo mutually.
Another purpose of the present utility model is to provide a kind of seal wire arrangement for guiding, and this assembly uses the seal wire guiding device that this utility model provides.
To achieve these goals, this utility model provides a kind of seal wire guiding device, including guide body, main body silk guide passage and seal wire guiding channel it is respectively arranged with in described guide body, described main body silk guide passage and described seal wire guiding channel run through described guide body and the axially spaced setting of internal end opening of the internal end opening of described seal wire guiding channel and described main body silk guide passage respectively in axial direction.
Preferably, described seal wire guiding channel is multiple, the axially spaced setting of internal end opening of the plurality of seal wire guiding channel.
Preferably, equally circumferentially spaced along described guide body of the external end opening of the plurality of seal wire guiding channel and described main silk guide passage.
Preferably, the internal end end face of described guide body is formed as oblique section, described main silk guide passage and described seal wire guiding channel along this oblique section layout with spaced apart in the axial direction.
Preferably, the internal end end face of described guide body is formed as the multiple oblique sections in ledge structure, and the plurality of oblique section is parallel, and described main silk guide passage and described seal wire guiding channel are respectively formed on different described oblique sections.
Preferably, described main silk guide passage and described seal wire guiding channel are formed by pipeline respectively and are coated in described guide body.
Preferably, the described pipeline forming described main silk guide passage and described seal wire guiding channel protrudes from the internal end end face of described guide body respectively.
Preferably, described guide body is provided with the development marking line axially extended.
Preferably, described guide body is provided with the development marking line axially extended, this development marking line includes overall section and multiple split section, described overall section is arranged on the lateral wall of described guide body, the plurality of split section is arranged on multiple step surfaces of described ledge structure and is formed in adjacent body on line between end opening, and this step surface is between adjacent described oblique section and is parallel to each other.
Preferably, the internal end opening flare of described seal wire guiding channel and/or described main body silk guide passage.
Preferably, the cross section of described guide body is circular, and described oblique section is oval, and the internal end opening of described main body silk guide passage is arranged close to one end of the major axis of described ellipse.
Preferably, described main silk guide passage is for being directed across the main body seal wire of main body blood vessel, and described seal wire guiding channel is for being directed across branch's seal wire of the branch vessel being connected on this main body blood vessel.
According to another aspect of the present utility model, a kind of seal wire arrangement for guiding is provided, described seal wire arrangement for guiding includes the seal wire guiding device that this utility model provides and the seal wire catcher for stretching into from the external end opening of described seal wire guiding channel and stretch out from internal end opening.
Pass through technique scheme, guide body can be inserted in body vessel by the main body seal wire through main body silk guide passage, and seal wire catcher can be passed through and will treat guiding wire, branch's seal wire of such as branch vessel introduces in seal wire guiding channel, and due to the axially spaced setting of internal end opening with seal wire guiding channel, therefore can so that seal wire to be guided can enter in seal wire guiding channel with mutually staggering with main body seal wire in the axial direction, it is thus possible to avoid main body seal wire, the problem being mutually wound around between all kinds of seal wires such as branch's seal wire, being further advanced by seal wire catcher can so that introducing in guide body by seal wire to be guided, easy to operate, practical.
Other feature and advantage of the present utility model will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model.
In this utility model, when not making contrary explanation, the noun of locality of use as when " inside and outside " is to treat human body be definition,
As shown in Figures 1 to 4, this utility model provides a kind of seal wire guiding device, and uses the seal wire arrangement for guiding of this device. Wherein seal wire guiding device includes guide body 1, for the ease of inserting internal, human body does not cause damage, it is preferable that the cross section of guide body 1 is circular, thus safety is better. Wherein guide body 1 can use the materials such as politef to make, and its axial length can require according to different operations and determine.
Wherein in order to realize the purpose of this utility model, main body silk guide passage 2 and seal wire guiding channel 3 it is respectively formed with in guide body 1, main body silk guide passage 2 and seal wire guiding channel 3 run through guide body 1 respectively in axial direction, and the internal end opening interval of the internal end opening of seal wire guiding channel 3 and main body silk guide passage 2 is arranged. The seal wire arrangement for guiding that additionally this utility model provides includes above-mentioned seal wire guiding device and the seal wire catcher 5 for stretching into from the external end opening of seal wire guiding channel 3 and stretch out from internal end opening.
Therefore, in the technical scheme that this utility model is above-mentioned, guide body 1 can be inserted in body vessel by the main body seal wire 4 through main body silk guide passage 2, and seal wire catcher 5 can be passed through and will treat guiding wire, branch's seal wire 6 of such as branch vessel introduces in seal wire guiding channel 3, and due to the axially spaced setting of internal end opening with seal wire guiding channel 3, therefore can so that seal wire to be guided can enter in seal wire guiding channel 3 with mutually staggering with main body seal wire 4 in the axial direction, it is thus possible to avoid main body seal wire 4, the problem being mutually wound around between all kinds of seal wires such as branch's seal wire 6, being further advanced by seal wire catcher 5 can so that introducing in guide body 1 by seal wire to be guided, easy to operate, practical.
Wherein using seal wire catcher 5 in this utility model is common part in this area, for instance in the present embodiment, and seal wire catcher 5 can be the model that COOK company of the U.S. produces isThe catcher of 4-LoopVascularRetriever (Ink vessel transfusing catching device). In other embodiments, as long as being capable of the catcher to seal wire and all should dropping in protection domain of the present utility model. It addition, the main body seal wire 4 being used for inserting guide body 1 body vessel used in this utility model can be additional components can also be in interventional therapy, for instance the main body seal wire of intravascular stent imbedding system.
Wherein in order to guide more seal wire, in the present embodiment, seal wire guiding channel 3 is multiple, the axially spaced setting of internal end opening of the plurality of seal wire guiding channel. So can ensure that in operation, all seal wires are all guided. As a kind of embodiment, seal wire guiding channel 3 is three, with the branch's seal wire 6 in corresponding three branch vessel 10 respectively. Wherein, the quantity of concrete in this utility model seal wire guiding channel 3 can be determined according to the seal wire quantity used in operation, for instance three, four or more.
It addition, as in figure 2 it is shown, in the present embodiment, equally circumferentially spaced along guide body 1 of the external end opening of multiple seal wire guiding channels 3 and main silk guide passage 2.So that the multiple seal wires from guide body 1 extraction can neatly be arranged, control on device consequently facilitating be connected to corresponding external end. Wherein due to the axially spaced setting of internal end opening of multiple seal wire guiding channels 3 and main silk guide passage 2, therefore part seal wire guiding channel 3 can be that bending is arranged in guide body 1, owing to each passage separates mutually, and each seal wire is respectively provided with flexibility, even if therefore in guide body 1, bending is without affecting seal wire function, simultaneously without being wound around.
As shown in Figure 1, each axially spaced port is formed for the ease of holding in vivo, in the first embodiment of the present utility model, the internal end end face 11 of guide body 1 is formed as oblique section, main silk guide passage 2 and seal wire guiding channel 3 and arranges with spaced apart in the axial direction along this oblique section. Wherein when seal wire guiding channel 3 is multiple, the internal end opening of multiple seal wire guiding channels 3 and main body silk guide passage 2 can along the centrage straight line of oblique section, when being wherein circular in the cross section of guide body 1, oblique section is ellipse, and therefore multiple internal end openings can along oval long axis. It addition, multiple internal end openings can also be arranged by different line as required. By the setting of this oblique section, it is not only convenient for arranging multiple passway, and so that guide body 1 movement in vivo, guiding function can be moved on to. It addition, multiple passwaies that the layout of oblique section is can also be arranged radially or tangentially while axially disposed, so that multiple seal wire can be spaced from each other more easily before entering guide body 1, without being wound around.
As shown in Figure 3, in the second embodiment of the present utility model, it is not used in the overall oblique section mode in Fig. 1, the internal end end face 11 of the guide body 1 in present embodiment is formed as the multiple oblique sections in ledge structure, the plurality of oblique section is parallel, and main silk guide passage 2 and seal wire guiding channel 3 are respectively formed on different oblique sections. Specifically, oblique section can be four, also concurrently forms four individual interior end openings of a main silk guide passage 2 and three seal wire guiding channels 3. The equally possible multiple passway purpose spaced apart from each other that realizes of the arrangement of this multiple oblique section, and ensure that seal wire was not wound around before entering guide body 1.
In embodiment of the present utility model, in order to facilitate processing and manufacturing seal wire guiding device, it is preferable that main silk guide passage 2 and seal wire guiding channel 3 are formed and are coated on by pipeline 8 in guide body 1 respectively. As it is shown in figure 1, show a pipeline 8 by a dotted line. That is, undertaken multiple independent pipelines 8 being coated and fixed and both can form the seal wire guiding device that this utility model provides by being coated with material. In the embodiment that other are possible, when technique allows, it is also possible to by guide body 1 one-body molded go out through hole and manufacture processing and manufacturing go out this utility model provide seal wire guiding device.
As shown in Figure 4, in the 3rd embodiment of the present utility model, being different from the first and second embodiments, the pipeline 8 forming main silk guide passage 2 and seal wire guiding channel 3 protrudes from the internal end end face of guide body 1 respectively. That is, the internal end opening of multiple passages is not formed on the internal end end face of guide body 1, but freely arranges with the internal end opening of pipeline 8, and length is different, so can also realize the introducing of each seal wire and prevent seal wire to be wound around.
In the present embodiment, for the ease of operation, guide body 1 is provided with the development marking line 7 axially extended.Wherein development marking line 7 can be watched in real time in operation, so, to provide foundation for operation technique by the position of the marking line 7 that develops and deformation extent so that perform the operation more accurate. In the second embodiment that this utility model provides, development marking line 7 includes overall section 71 and multiple split section 72, overall section 71 is arranged on the lateral wall of guide body 1, multiple split sections 72 be arranged on multiple step surfaces of ledge structure and can be formed in adjacent body between end opening line on, this step surface is between adjacent oblique section and is parallel to each other. So, except the effect of overall section 71, by the position of multiple all right each passwaies of accessory ID of split sections 72 so that operation is more accurately quick.
Additionally, preferably, the internal end opening flare of seal wire guiding channel 3 and/or main body silk guide passage 2, the structure that this is tubaeform for opening to the outside of each passage, this flaring design can introduce seal wire by big mouth section, and pass through small-bore section of stably guiding wire so that more convenient to operate. Consequently facilitating the introducing of each seal wire.
It addition, for the ease of guiding multiple seal wire, in the present embodiment, the internal end opening of main body silk guide passage 2 is arranged close to one end of oval major axis, for instance the inner terminal of guide body 1, so each seal wire guiding channel 3 can be sequentially arranged along major axis. Additionally in the present embodiment, main silk guide passage is for being directed across the main body seal wire 4 of main body blood vessel 9, and seal wire guiding channel is for being directed across branch's seal wire 6 of the branch vessel 10 being connected on this main body blood vessel. So, main body seal wire 4 can be pressed close to the sidewall of main body blood vessel 9 and arrange, and oblique section can towards the opening of the multiple branch vessel 10 being connected on main body blood vessel 9, such that it is able to advantageously in each branch seal wire 6 to the introducing of guide body 1. The arrangement making each seal wire is neat more in order, it is to avoid be wound around.
The seal wire guidance method below this utility model provided is described, and wherein this seal wire guidance method uses the above-mentioned seal wire arrangement for guiding that this utility model provides, including: main body seal wire 4 is placed to precalculated position by a.; Specifically inserting the mode of main body seal wire 4, to get involved the seal wire implantation mode in operation with such as intravascular stent etc. identical. B. main body seal wire 4 is penetrated main body silk guide passage 2 and guide body 1 is inserted internal along main body seal wire 4; So can so that main body seal wire 4 plays the effect guiding guide body 1. C. seal wire catcher 5 is penetrated seal wire guiding channel 3 and stretches out internal end opening and treat guiding wire 6 to capture; In this step, it is possible to inserted in seal wire guiding channel 3 by seal wire catcher 5 in advance, treat that guide body 1 moves to specific bit and postpones and stretch out, it is also possible to after guide body 1 moves to application position, then insert seal wire catcher 5. By pulling seal wire catcher 5 to treat, guiding wire 6 introduces seal wire guiding channel 3 to last d.. So, the seal wire each can performed the operation, especially main body seal wire 4 and branch's seal wire 6 carry out guiding each through guide body 1 and extend to external, and wherein the external end of each seal wire can extend the external end opening of seal wire guiding channel 3 thus the operation device corresponding with each is connected. So, enable to the various seal wires of use extension in vivo in operation by the guide body 1 inserted and arrange with good order, without there is the problems such as seal wire winding mutually so that operation is smoothed out.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately.
Additionally, can also carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.