CN203493676U - Through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases - Google Patents
Through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases Download PDFInfo
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- CN203493676U CN203493676U CN201320540297.1U CN201320540297U CN203493676U CN 203493676 U CN203493676 U CN 203493676U CN 201320540297 U CN201320540297 U CN 201320540297U CN 203493676 U CN203493676 U CN 203493676U
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- conduit
- head end
- ventricular septal
- mistake
- septal defects
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Abstract
The utility model relates to a through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases. The through separating conduit comprises a soft head and a conduit body, wherein the conduit body comprises a conduit head end, a near head end and a conduit tail end; the front end of the near head end is connected with the conduit head end; the rear end of the near head end is reversely bent to be pre-molded to be connected with the conduit tail end; an end hole is formed in the conduit tail end; the soft head is arranged on the end part of the conduit head end. The through separating conduit facilitates the quick building of a track before closure, so that the time for building the track and X-ray exposing time are shortened, and the success rate of building the track and the overall success rate of the closure ventricular septal defect surgery are improved.
Description
Technical field
This utility model relates to Closure of Ventricular Septal Defects percutaneous transcatheter closure field, particularly relates to mistake in the operation of a kind of transcatheter Closure of Ventricular Septal Defects every conduit.
Background technology
The method of transcatheter can be treated most of Closure of Ventricular Septal Defects at present, and stopper adopts NiTi alloys occluder mostly.But the success rate of operation of each Heart center transcatheter ventricular septal defect is not identical both at home and abroad.First set up before shutoff and leftly feel concerned about system-interventricular septum-right side to feel concerned about the ways and means of track of system not identical, thus cause operating time and x-ray time of exposure different, its main cause is that the special-purpose mistake of shortage is every conduit.It is moulding that the pigtail catheter that mistake before this mostly adopts JR4.0 angiography catheter or the 3DRC conduit in coronary artery procedure or deducts part head end every conduit carries out secondary again, veteran patient can complete very soon moulding and then send into and in aortic valve, set up track, and the few patient of experience is moulding and spent the plenty of time while setting up track at conduit, and set up track Shi doctor and patient and be in x-ray exposure always, cause performing the operation may failure or operating time extend, and increased the potential adverse consequences that a large amount of roentgen radiation xs bring.
Up to the present, there is no essential special use in applicable child and Septal Defect in Adult operation crosses every conduit, need further standard to set up the left method that the track of system is felt concerned about on system-interventricular septum-right side of feeling concerned about, increase the success rate of setting up track, shorten operation time and x-ray time of exposure.
Summary of the invention
Technical problem to be solved in the utility model is to provide mistake in the operation of a kind of transcatheter Closure of Ventricular Septal Defects every conduit, be conducive to complete fast the foundation of the front track of shutoff, shorten time and the x-ray time of exposure of setting up track, improve and set up the success rate of track and the whole success rate of the operation of shutoff ventricular septal defect.
This utility model solves the technical scheme that its technical problem adopts: provide mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation every conduit, comprise soft head and catheter body, described catheter body comprises conduit head end, near head end and catheter tip, the front end connecting duct head end of described near head end, the rear end of described near head end is through back-flexing preforming connecting duct end, described catheter tip is provided with stomidium, and soft head is installed on the end of described conduit head end.
The leading portion of described conduit head end is 20 ° of-160 ° of angles between bending and its body.
Between the leading portion of described conduit head end and its body, be 45 ° of angles.
Between the leading portion of described conduit head end and its body, be 90 ° of angles.
Between the leading portion of described conduit head end and its body, be 135 ° of angles.
Described conduit head end corresponds to respectively 1.5cm, 1.0cm and 0.5cm according to the length of the dissimilar setting of catheter body.
Described near head end is corresponding to respectively 15cm-25cm, 10cm-20cm and the back-flexing preforming of 5cm-15cm place according to the dissimilar of catheter body apart from conduit head end.
The stomidium of described catheter tip is by one end of the telescopic joint cover joint of anti-folding, the other end of described cover joint connects syringe or unidirectional haemostatic valve, described unidirectional haemostatic valve comprises hollow circular-tube and is anchored on the end on hollow circular-tube, hollow circular-tube outside is connected with one end of flexible pipe, and the other end of flexible pipe is provided with switch valve.
Described catheter body is followed successively by body upper strata, body middle level, body lower floor and hollow space from outside to inside.
Described soft head is followed successively by soft upper strata, Ruan Tou lower floor and hollow space from outside to inside.
beneficial effect
The utlity model has following advantage and good effect:
1. according to patient age, segment out 4F, 5F and 6F conduit, 4F conduit is I.D.0.042 inch (1.08mm), and 5F conduit is I.D.0.047 inch (1.20mm), and O.D.0.067 inch (1.70mm), for 3 years old following infant; 6F conduit is I.D.0.057 inch (1.40mm), ID internal diameter, and OD external diameter, for more than 3 years old infant and adult patients.
2. during according to left ventriculography, wear every the form of blood flow segment out head end difference towards conduit, conduit head end 1.5cm place (is 1.0cm place during 5F, during 4F, be 0.5cm place) be 45 ° with catheter proximal end angle, 90 ° or 135 °, avoid patient to take from other angiography catheters and with shears, cut off the way of part head end, avoid the stimulation damage of sharp head end to heart inner tissue, and then caused the generation of the situations such as tissue edema.
3. according to the preformed mistake of aortic arch shape, every conduit, can be directly used in and set up track, near head end 15cm-25cm place (is 10cm-20cm during 5F, during 4F, be 5cm-10cm) 180 ° of back-flexing preforming, catheter tip is furnished with unidirectional haemostatic valve, reduce intraoperative blood loss, simultaneously can monitoring tube internal pressure, play the function of aerofluxus, row's blood, pressure measurement.
4. catheter body upper layer of material is polyamide and barium sulfate; In catheter body, layer material is nylon Nylon12 and barium sulfate; Catheter body subsurface material is polyamide and barium sulfate; Soft head material is polyamide and barium sulfate; Classification track material is that Austenite is stainless rustless steel steel wire.
5. cross the generation that further reduces the complication of ventricular septal defect shutoff operation every conduit, increased success rate of operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that conduit head end leading portion and its body are 45 degree angles;
Fig. 2 is the schematic diagram that conduit head end leading portion and its body are 90 degree angles;
Fig. 3 is the schematic diagram that conduit head end leading portion and its body are 135 degree angles;
Fig. 4 is that Fig. 2 is along the front view of A-A hatching;
Fig. 5 is that Fig. 3 is along the front view of B-B hatching;
Fig. 6 is the profile of unidirectional haemostatic valve.
In figure: catheter body 1, soft 2, conduit head end 3, near head end 4, catheter tip 5, conduit upper strata 6, conduit middle level 7, conduit lower floor 8, hollow space 9, soft upper strata 10, Ruan Tou lower floor 11, hollow space 12.
The specific embodiment
Below in conjunction with specific embodiment, further set forth this utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for this utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications this utility model after having read the content of this utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Fig. 1-6, mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation is every conduit, comprise soft 2 and catheter body 1, described catheter body 1 comprises conduit head end 3, near head end 4 and catheter tip 5, the front end connecting duct head end 3 of described near head end 4, the rear end of described near head end 4 is through back-flexing preforming connecting duct end 5, and described catheter tip 5 is provided with stomidium, is provided with soft 2 on the end of described conduit head end 3.
The leading portion of described conduit head end 3 is 20 ° of-160 ° of angles between bending and its body.
Between the leading portion of described conduit head end 3 and its body, be 45 ° of angles.
Between the leading portion of described conduit head end 3 and its body, be 90 ° of angles.
Between the leading portion of described conduit head end 3 and its body, be 135 ° of angles.
Described conduit head end 3 corresponds to respectively 1.5cm, 1.0cm and 0.5cm according to the length of the dissimilar setting of catheter body 1.
Described near head end 4 is corresponding to respectively 15cm-25cm, 10cm-20cm and the back-flexing preforming of 5cm-15cm place according to the dissimilar of catheter body 1 apart from conduit head end 3.
The stomidium of described catheter tip 5 is by one end of the telescopic joint cover joint of anti-folding, the other end of described cover joint connects syringe or unidirectional haemostatic valve, described unidirectional haemostatic valve comprises hollow circular-tube and is anchored on the end on hollow circular-tube, hollow circular-tube outside is connected with one end of flexible pipe, and the other end of flexible pipe is provided with switch valve.
Described catheter body 1 is followed successively by body upper strata 6, body middle level 7, body lower floor 8 and hollow bulb 9 from outside to inside.
Described soft 2 is followed successively by soft upper strata 10, Ruan Tou lower floor 11 and hollow space 12 from outside to inside.
It is worth mentioning that, this utility model catheter body upper strata 6 materials are polyamide and barium sulfate; Catheter body middle level 7 materials are nylon Nylon12 and barium sulfate; Catheter body lower floor 8 materials are polyamide and barium sulfate; Soft 2 materials are polyamide and barium sulfate; Classification track material is that Austenite is stainless rustless steel steel wire; Conduit head end 3, near head end 4 and catheter tip 5 adopt conventional angiography catheter material to form.
Conduit does not comprise end haemostatic valve, total length 120cm(6F), the conduit total length 100cm of 4F and 5F; In the pipe of unidirectional haemostatic valve, be threaded, can screw and be connected with catheter tip, conduit hollow space be installed with seal wire, the unidirectional hemostasis of binding silica gel.
This utility model proposed first every this title of conduit, and separate concrete specification according to patient age, the application of this conduit in clinical is conducive to conduit and reclines appropriately at aortic arch place, conduit head end 3 various towards, be conducive to guiding catheter inner guide wire fast by dissimilar ventricular septal defect place, shorten the time of setting up track, thereby reduce the corrective surgery time and reduce the irradiation of x-ray to health; Catheter tip 5 is designed with the superslide seal wire being beneficial in A/C, and has reduced oozing of blood and the energy synchronous monitoring pressure of catheter tip 5 while operating, judgement conduit head end 3 positions.
Claims (10)
1. the mistake in a transcatheter Closure of Ventricular Septal Defects operation is every conduit, comprise soft head (2) and catheter body (1), it is characterized in that: described catheter body (1) comprises conduit head end (3), near head end (4) and catheter tip (5), the front end connecting duct head end (3) of described near head end (4), the rear end of described near head end (4) is through back-flexing preforming connecting duct end (5), described catheter tip (5) is provided with stomidium, and soft head (2) is installed on the end of described conduit head end (3).
2. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1, every conduit, is characterized in that: the leading portion of described conduit head end (3) is 20 ° of-160 ° of angles between bending and its body.
3. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 2, every conduit, is characterized in that: between the leading portion of described conduit head end (3) and its body, be 45 ° of angles.
4. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 2, every conduit, is characterized in that: between the leading portion of described conduit head end (3) and its body, be 90 ° of angles.
5. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 2, every conduit, is characterized in that: between the leading portion of described conduit head end (3) and its body, be 135 ° of angles.
6. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1, every conduit, is characterized in that: described conduit head end (3) corresponds to respectively 1.5cm, 1.0cm and 0.5cm according to the length of the dissimilar setting of catheter body (1).
7. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1, every conduit, is characterized in that: described near head end (4) is corresponding to respectively 15cm-25cm, 10cm-20cm and the back-flexing preforming of 5cm-15cm place according to the dissimilar of catheter body (1) apart from conduit head end (3).
8. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1 is every conduit, it is characterized in that: the stomidium of described catheter tip (5) is by one end of the telescopic joint cover joint of anti-folding, the other end of described cover joint connects syringe or unidirectional haemostatic valve, described unidirectional haemostatic valve comprises hollow circular-tube and is anchored on the end on hollow circular-tube, hollow circular-tube outside is connected with one end of flexible pipe, and the other end of flexible pipe is provided with switch valve.
9. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1, every conduit, is characterized in that: described catheter body (1) is followed successively by body upper strata (6), body middle level (7), body lower floor (8) and hollow space (9) from outside to inside.
10. the mistake in a kind of transcatheter Closure of Ventricular Septal Defects operation according to claim 1, every conduit, is characterized in that: described soft head (2) is followed successively by soft upper strata (10), Ruan Tou lower floor (11) and hollow space (12) from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540297.1U CN203493676U (en) | 2013-08-30 | 2013-08-30 | Through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540297.1U CN203493676U (en) | 2013-08-30 | 2013-08-30 | Through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203493676U true CN203493676U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540297.1U Expired - Fee Related CN203493676U (en) | 2013-08-30 | 2013-08-30 | Through separating conduit used in interventional closure ventricular septal defect surgery for congenital heart diseases |
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|---|---|
| CN (1) | CN203493676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103462653A (en) * | 2013-08-30 | 2013-12-25 | 上海市东方医院 | Intervening and closuring partitioning catheter for congenital heart disease ventricular septal defect surgery |
| CN106901784A (en) * | 2015-12-22 | 2017-06-30 | 潘湘斌 | A kind of guiding system and its application method for ultrasound guidance research of transcatheter closure of ventricular septal defect |
-
2013
- 2013-08-30 CN CN201320540297.1U patent/CN203493676U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103462653A (en) * | 2013-08-30 | 2013-12-25 | 上海市东方医院 | Intervening and closuring partitioning catheter for congenital heart disease ventricular septal defect surgery |
| CN106901784A (en) * | 2015-12-22 | 2017-06-30 | 潘湘斌 | A kind of guiding system and its application method for ultrasound guidance research of transcatheter closure of ventricular septal defect |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |