CN203898901U - Bending-adjustable multifunctional coronary guiding catheter - Google Patents
Bending-adjustable multifunctional coronary guiding catheter Download PDFInfo
- Publication number
- CN203898901U CN203898901U CN201420196553.4U CN201420196553U CN203898901U CN 203898901 U CN203898901 U CN 203898901U CN 201420196553 U CN201420196553 U CN 201420196553U CN 203898901 U CN203898901 U CN 203898901U
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- China
- Prior art keywords
- multiple tube
- guiding catheter
- positive
- tensile machine
- guide pipe
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Abstract
The utility model provides a bending-adjustable multifunctional coronary guiding catheter, comprising a shell, a rubber sleeve, a compound tube, a right-and-left internal thread directing tube, a left-hand half-thread pull mechanism and a right-hand half-thread pull mechanism. The bending-adjustable multifunctional coronary guiding catheter provided by the utility model can easily reach the coronary artery ostia by adjusting the direction of the guiding catheter so as to realize the purpose of being deeply inserted into the coronary artery; superstrong active supporting force is provided for the completion of complicated cases; the completion of left/right coronary artery angiography and PCI (Percutaneous Coronary Intervention) operation by one guiding catheter is realized; in operation, the catheter is not needed to be repeatedly replaced.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, the multi-functional arteria coronaria guiding catheter of especially a kind of adjustable bending.
Background technology
At present according to the selection of aortic arch feature, coronary opening position and direction, holding power, can select different arteria coronaria guiding catheters, but these conduits are all placed in conduit coronary opening or near-end.However, run into still pathological changes smoothly of the tortuous or serious intravascular stent of calcification or sacculus, or traditional guiding catheter cannot provide enough support forces.
Utility model content
It is a kind of simple in structure, easy to operate that the purpose of this utility model is to provide, and by regulating guiding catheter direction, reaches the dark multi-functional arteria coronaria guiding catheter of adjustable bending of inserting arteria coronaria.
For solving the problems of the technologies described above, this utility model provides a kind of adjustable bending multi-functional arteria coronaria guiding catheter, comprise housing, rubber sleeve, multiple tube, positive and negative female thread guide pipe, left-handed half-thread tensile machine and dextrorotation half-thread tensile machine, described multiple tube is followed successively by plastic layer, meshy steel wire layer and nylon layer from outside to inside, the front end of described multiple tube is provided with annular steel disc, is provided with steel wire bar between meshy steel wire layer and nylon layer;
The front end of described positive and negative female thread guide pipe is fixed in rubber sleeve, rotating being arranged in housing in rear end of positive and negative female thread guide pipe, the rear end of described multiple tube is stretched in positive and negative female thread guide pipe, the front end of described left-handed half-thread tensile machine and dextrorotation half-thread tensile machine and positive and negative female thread guide pipe mesh and are arranged between positive and negative female thread guide pipe and multiple tube, in the process of positive and negative female thread guide pipe rotation, drive left-handed half-thread tensile machine and dextrorotation half-thread tensile machine to move forward and backward in housing;
Described steel wire bar is two, and symmetrical is arranged in multiple tube, and one end of steel wire bar is connected with annular steel disc, and the other end is connected with dextrorotation half-thread tensile machine respectively at left-handed half-thread tensile machine.
This utility model improves to be had, and the nylon layer of multiple tube is nylon politef.
This utility model improves to be had, and described plastic layer is vinyon.
This utility model improves to be had, and the front end of described steel wire bar is welded on annular steel disc.
This utility model improves to be had, and the front end of rubber sleeve is provided with opening, and the rotating turning sleeve that arranges in the opening of rubber sleeve, is provided with the screens coordinating with turning sleeve on multiple tube.
This utility model improves to be had, and described multiple tube head is provided with 5-8cm soft.
This utility model improves to be had, and multiple tube model has 4F, 5F, 6F, 7F, 8F, and each model multiple tube external diameter is respectively 1.43mm, 1.65mm, 2.0mm, 2.3mm, 2.7mm, and internal diameter is respectively 1.27mm, 1.4mm, 1.75mm, 2.0mm, 2.2mm.
The beneficial effects of the utility model are: the multi-functional coronary artery guiding catheter of adjustable bending of new structure, by regulating guiding catheter direction, can easily arrive coronary ostium, reach the dark coronary artery object of inserting, for completing complicated case, provide superpower Active support power, existing 1 guiding catheter completes left and right coronarography and PCI art, in art without repeatedly changing conduit.
Accompanying drawing explanation
Accompanying drawing 1 is the multi-functional arteria coronaria guiding catheter of adjustable bending of the present utility model using state Fig. 1;
Accompanying drawing 2 is the multi-functional arteria coronaria guiding catheter of adjustable bending of the present utility model using state Fig. 2;
Accompanying drawing 3 is the multi-functional arteria coronaria guiding catheter of adjustable bending of the present utility model using state Fig. 3;
Accompanying drawing 4 is the cutaway view of the multiple tube of the multi-functional arteria coronaria guiding catheter of adjustable bending of the present utility model.
Label declaration: 1-housing; 2-rubber sleeve; 3-multiple tube; 31-plastic layer; 32-meshy steel wire layer; 33-nylon layer; The positive and negative female thread guide pipe of 4-; The left-handed half-thread tensile machine of 5-; 6-dextrorotation half-thread tensile machine; 7-annular steel disc; 8-steel wire bar.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
With reference to accompanying drawing 1, this utility model shown in accompanying drawing provides a kind of adjustable bending multi-functional arteria coronaria guiding catheter, comprise housing 1, rubber sleeve 2, multiple tube 3, positive and negative female thread guide pipe 4, left-handed half-thread tensile machine 5 and dextrorotation half-thread tensile machine 6, described multiple tube 3 is followed successively by plastic layer 31, meshy steel wire layer 32 and nylon layer 33 from outside to inside, the front end of described multiple tube 3 is provided with annular steel disc 7, between meshy steel wire layer 32 and nylon layer 33, is provided with steel wire bar 8;
The front end of described positive and negative female thread guide pipe 4 is fixed in rubber sleeve 2, rotating being arranged in housing 1 in rear end of positive and negative female thread guide pipe 4, the rear end of described multiple tube 3 is stretched in positive and negative female thread guide pipe 4, the front end of described left-handed half-thread tensile machine 5 and dextrorotation half-thread tensile machine 6 and positive and negative female thread guide pipe 4 mesh and are arranged between positive and negative female thread guide pipe 4 and multiple tube 3, in the process of positive and negative female thread guide pipe 4 rotations, drive left-handed half-thread tensile machine 5 and dextrorotation half-thread tensile machine 6 to move forward and backward in housing 1;
Described steel wire bar 8 is two, and symmetrical is arranged in multiple tube 3, and one end of steel wire bar 8 is connected with annular steel disc 7, and the other end is connected with dextrorotation half-thread tensile machine 6 respectively at left-handed half-thread tensile machine 5.
The front end of rubber sleeve 2 is provided with opening, and multiple tube 3 stretches in rubber sleeve 2 and housing 1 by this opening, is provided with the screens coordinating with turning sleeve on multiple tube 3.
Described plastic layer 31 is vinyon.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes this utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. the multi-functional arteria coronaria guiding catheter of adjustable bending, it is characterized in that, comprise housing, rubber sleeve, multiple tube, positive and negative female thread guide pipe, left-handed half-thread tensile machine and dextrorotation half-thread tensile machine, described multiple tube is followed successively by plastic layer, meshy steel wire layer and nylon layer from outside to inside, the front end of described multiple tube is provided with annular steel disc, is provided with steel wire bar between meshy steel wire layer and nylon layer;
The front end of described positive and negative female thread guide pipe is fixed in rubber sleeve, rotating being arranged in housing in rear end of positive and negative female thread guide pipe, the rear end of described multiple tube is stretched in positive and negative female thread guide pipe, the front end of described left-handed half-thread tensile machine and dextrorotation half-thread tensile machine and positive and negative female thread guide pipe mesh and are arranged between positive and negative female thread guide pipe and multiple tube, in the process of positive and negative female thread guide pipe rotation, drive left-handed half-thread tensile machine and dextrorotation half-thread tensile machine to move forward and backward in housing;
Described steel wire bar is two, and symmetrical is arranged in multiple tube, and one end of steel wire bar is connected with annular steel disc, and the other end is connected with dextrorotation half-thread tensile machine respectively at left-handed half-thread tensile machine.
2. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, is characterized in that, the nylon layer of multiple tube is nylon politef.
3. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, is characterized in that, described plastic layer is vinyon.
4. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, is characterized in that, the front end of described steel wire bar is welded on annular steel disc.
5. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, is characterized in that, the front end of rubber sleeve is provided with opening, and the rotating turning sleeve that arranges in the opening of rubber sleeve, is provided with the screens coordinating with turning sleeve on multiple tube.
6. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, is characterized in that, described multiple tube head is provided with 5-8cm soft.
7. the multi-functional arteria coronaria guiding catheter of adjustable bending according to claim 1, it is characterized in that, described multiple tube model has 4F, 5F, 6F, 7F, 8F, each model multiple tube external diameter is respectively 1.43mm, 1.65mm, 2.0mm, 2.3mm, 2.7mm, and internal diameter is respectively 1.27mm, 1.4mm, 1.75mm, 2.0mm, 2.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196553.4U CN203898901U (en) | 2014-04-22 | 2014-04-22 | Bending-adjustable multifunctional coronary guiding catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196553.4U CN203898901U (en) | 2014-04-22 | 2014-04-22 | Bending-adjustable multifunctional coronary guiding catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898901U true CN203898901U (en) | 2014-10-29 |
Family
ID=51773197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196553.4U Expired - Fee Related CN203898901U (en) | 2014-04-22 | 2014-04-22 | Bending-adjustable multifunctional coronary guiding catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672009A (en) * | 2020-05-28 | 2020-09-18 | 西安交通大学医学院第一附属医院 | Multi-functional coronary artery of radial artery route guides pipe |
-
2014
- 2014-04-22 CN CN201420196553.4U patent/CN203898901U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672009A (en) * | 2020-05-28 | 2020-09-18 | 西安交通大学医学院第一附属医院 | Multi-functional coronary artery of radial artery route guides pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |