CN1785137A - Umbrella shaped self-dilatation blocking means - Google Patents
Umbrella shaped self-dilatation blocking means Download PDFInfo
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- CN1785137A CN1785137A CN 200410073356 CN200410073356A CN1785137A CN 1785137 A CN1785137 A CN 1785137A CN 200410073356 CN200410073356 CN 200410073356 CN 200410073356 A CN200410073356 A CN 200410073356A CN 1785137 A CN1785137 A CN 1785137A
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- extensible
- dilatation
- blocking means
- memorial alloy
- grasp
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Abstract
An umbrella-shaped self-expanding plug for treating the diffuse pneumonectasis is composed of 2-10 Ni-Ti marmem wires, an umbrella skirt attached on said marmem wires to become an umbrella shape, and a developable archor hook arranged on the top of umbrella.
Description
Technical field:
The present invention relates to a kind of medical apparatus and instruments, particularly about a kind of umbrella shaped self-dilatation blocking means, this self-expanding formula stopper can implement internal medicine emphysema lung volume reducing operation (Lung Volume reductionfor physician, LVRP).
Background technology:
The serious emophysematous curative effect of medical treatment is not obvious, can't effectively improve patient's symptom, prolong patient's existence.The lung volume reduction surgery of nineteen nineties development, hereinafter to be referred as LVRS, it is that the emophysematous method of anisotropism is treated in a kind of new being used for, and is called as one of the most breathtaking progress of thoracic surgery.LVRS by multinomial system treats emophysematous clinical research proof, and it can to a certain degree improve pulmonary function, its mechanism is: increase pulmonary elastic recoil, air flue conductivity, maximal expiratory flow, lower the lung excessive expansion, improve the respiratory muscle work efficiency, thereby alleviate the dyspnea symptom, improve and take exercise tolerance and quality of life.Yet also there is more limitation in LVRS: strict operative indication; There is more complication; Anesthesia and the complication relevant with anesthesia; Curative effect is difficult to prediction before the art, postoperative can't remedy because of excising the unfavorable result of too much or very few institute's curative effect that causes; High surgery cost and bigger spirit, human body misery.
Summary of the invention:
The objective of the invention is: the result that can improve pulmonary function based on LVRS, for solving the weak point in the above-mentioned background technology, the invention provides a kind of umbrella shaped self-dilatation blocking means, it can eliminate the serious lung tissue of emphysema to full influence of Pulmonary Function under the situation of motionless operation, treatment diffusivity emphysema.
Technical scheme of the present invention is a kind of umbrella shaped self-dilatation blocking means of design, it is characterized in that: it comprises that memorial alloy tinsel, extensible grasp, full skirt constitute, and is attached with full skirt on the memorial alloy tinsel and forms umbrella-shaped structure, and umbrella pushes up a side extensible grasp.
Described memorial alloy tinsel is many memorial alloy tinsels, and they are distribution symmetrically and evenly.
Described memorial alloy tinsel is a 2-10 root Ultimum Ti silk.
Described memorial alloy tinsel is shape in the shape of a spiral.
Described memory alloy wire is fixed on the axis, the axis near-end has lever, far-end is fixedly connected with extensible grasp, the memorial alloy tinsel that is coated with full skirt be evenly distributed on axis around, there is extensible grasp at the link place of memorial alloy tinsel and axis.
Described extensible grasp is parabolic shape when launching, extensible grasp has the 1-2 group, the extensible grasp identical outside stretching, extension of angle each other in every group; If any 2 groups of extensible grasps, the parabola direction after 2 groups of extensible grasps stretch is opposite.
The full skirt that described memorial alloy tinsel outer surface covers is that the good medical material of the tissue compatibility is made.
Described memorial alloy tinsel and extensible grasp are integrative-structures.
Described memorial alloy tinsel is 3; Extensible grasp is 3.
The lever of described axis near-end and axis are integrative-structures.
Characteristics of the present invention are: it passes through umbrella shaped self-dilatation blocking means, in the bronchus of selecting, place, utilize the interior gas of lung to absorb naturally, in 3-5 days, progressively cause the pulmonary atelectasis of this section or inferior section, eliminate the serious lung tissue of emphysema to full influence of Pulmonary Function thereby reach.Above-mentioned stopper is placed in the bronchoscopic service aisle with convergence state, utilize special release to insert target leaf (or section) bronchus, stopper after the release launches to become aforesaid duty automatically under the condition of body temperature, thus performance bronchus plugging action.This stopper is because of the performance of modulator material itself, can have unidirectional flap valve function, can allow by portion gas or mucus in the leaf of shutoff (section), under certain intrinsic pressure effect by the umbrella leaf with discharge with the gap that airway walls attaches mutually, reduce the complication after placing.Withered because of wherein gas absorbed in 3-5 days gradually by the lobe of the lung of shutoff (section), thereby reduce the intrathoracic volume that this lobe of the lung (section) occupies because of excessive emphysema, be beneficial to the recovery of other lobes of the lung (section) function, reach the purpose of improving patient's pulmonary function.
The present invention compared with prior art has following advantage:
1, it can be implemented under the internal medicine condition, and is simple to operate, and no wound is painful little.
2, shutoff is once finished, and device is detachable, can repeat, but places in the hope of curative effect the best the multi-section position.
3, the facilities and equipments requirement is low, and the technical staff can carry out through professional training.
4, adopting the good material of histocompatibility of generally acknowledging in the present world wide---Nitinol (support) and medical polyurethane (overlay film) are made, and almost have no adverse reaction, and can guarantee the persistency of placing in the body.
5, have unidirectional flap valve function under certain condition, when by intrinsic pressure the increasing of the leaf of shutoff (section) (as cough), the umbrella leaf and and airway walls between moment open up a slit, allow portion gas or mucus to discharge, significantly reduce possible complication after the placement.
Description of drawings:
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is embodiment 1 a deployed condition structural representation.
Fig. 2 is embodiment 2 full skirt deployed condition structural representations.
Fig. 3 is embodiment 2 collapsed state structural representations.
Fig. 4 is embodiment 3 deployed condition structural representations.
Fig. 5 is embodiment 3 collapsed state structural representations.
Among the figure: 1, memorial alloy tinsel; 2, extensible grasp; 3, full skirt; 4, axis; 5, lever.
The specific embodiment:
The structure of embodiment 1 as shown in Figure 1, the full skirt 3 of umbrella shaped self-dilatation blocking means is attached to having on the spiral-shaped memorial alloy tinsel 1, the central part of full skirt 3 is axis 4, axis 4 near-ends have lever 5, it and axis 4 are integrative-structures.The far-end of axis 4 is fixedly connected with 1 group of extensible grasp 2, memorial alloy tinsel 1 also has 1 group of extensible grasp 2 with the link place of axis 4, extensible grasp 2 is that 3 memorial alloy tinsels 1 launch to be the anchor shape, be parabolic shape when wherein every memorial alloy tinsel 1 launches, extensible grasp 2 has two groups among the embodiment 1, the extensible grasp 2 identical outside stretching, extension of angle each other in every group; Parabola direction after two groups of extensible grasps 2 stretch is opposite.
Fig. 2 is embodiment 2 full skirt deployed condition structural representations.Embodiment 2 difference from Example 1 are that its full skirt 3 is on the spiral-shaped memorial alloy tinsel 1 of rightabout attached to two as shown in the figure.
Fig. 4 is embodiment 3 deployed condition structural representations.As shown in the figure, its difference from Example 1 is that its full skirt 3 is attached on three equidirectional spiral-shaped memorial alloy tinsels 1 of uniform distances.
It is the umbrella-shaped structure of diameter 12 ± 5mm that full skirt 3 overlay films launch the back; Far-end---the tinsel of the other end for exposing that the umbrella top is relative with parabola shaped outside stretching, extension, forms the anchor shape.Umbrella skeleton can be histocompatibility medical material metal or alloy preferably, and as using Ultimum Ti, then the support force of support (F) is 50-60g/mm
2(30-42 ℃).
Fig. 3 is embodiment 2 collapsed state structural representations.
Fig. 5 is embodiment 3 collapsed state structural representations.
During practical operation, stopper is placed in the service aisle of branchofiberoscope elder generation end with convergence state earlier, state when packing up such as Fig. 3 and shown in Figure 5, it arrives target leaf (or section) bronchus with tracheascope elder generation end, utilizes special applicator that stopper is sent into target leaf (or section) bronchus.Inserting the bronchial stopper of target leaf (or section) launches under the condition of body temperature automatically, become the anchor shape of far-end and the umbrella shape of near-end, the anchor arm that stretches around tube chamber plays the effect of being fixed in the bronchial lumen, and open umbrella-shaped structure is attached at the bronchus medial wall uniformly, plays plugging action.Be aforesaid duty, thus performance bronchus plugging action.This stopper is because of the performance of modulator material itself, has unidirectional flap valve function, can allow by portion gas or mucus in the leaf of shutoff (section), because of under the effect of intrinsic pressure variation of moment (as cough) by the umbrella leaf with discharge with the gap that airway walls attaches mutually, to reduce the complication after placing.
Claims (10)
1, umbrella shaped self-dilatation blocking means is characterized in that: it comprises that memorial alloy tinsel, extensible grasp, full skirt constitute, and is attached with full skirt on the memorial alloy tinsel and forms umbrella-shaped structure, and umbrella pushes up a side extensible grasp.
2, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described memorial alloy tinsel is many memorial alloy tinsels, and they are distribution symmetrically and evenly.
3, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described memorial alloy tinsel is a 2-10 root Ultimum Ti silk.
4, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described memorial alloy tinsel is shape in the shape of a spiral.
5, umbrella shaped self-dilatation blocking means according to claim 1, it is characterized in that: described memory alloy wire is fixed on the axis, the axis near-end has lever, far-end is fixedly connected with extensible grasp, the memorial alloy tinsel that is coated with full skirt be evenly distributed on axis around, there is extensible grasp at the link place of memorial alloy tinsel and axis.
6, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described extensible grasp is parabolic shape when launching, and extensible grasp has the 1-2 group, the extensible grasp identical outside stretching, extension of angle each other in every group; If any 2 groups of extensible grasps, the parabola direction after 2 groups of extensible grasps stretch is opposite.
7, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: the full skirt that described memorial alloy tinsel outer surface covers is that the good medical material of the tissue compatibility is made.
8, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described memorial alloy tinsel and extensible grasp are integrative-structures.
9, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: described memorial alloy tinsel is 3; Extensible grasp is 3.
10, umbrella shaped self-dilatation blocking means according to claim 1 is characterized in that: the lever of described axis near-end and axis are integrative-structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073356 CN1785137A (en) | 2004-12-06 | 2004-12-06 | Umbrella shaped self-dilatation blocking means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073356 CN1785137A (en) | 2004-12-06 | 2004-12-06 | Umbrella shaped self-dilatation blocking means |
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| Publication Number | Publication Date |
|---|---|
| CN1785137A true CN1785137A (en) | 2006-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410073356 Pending CN1785137A (en) | 2004-12-06 | 2004-12-06 | Umbrella shaped self-dilatation blocking means |
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| CN (1) | CN1785137A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745173B (en) * | 2008-12-01 | 2012-01-04 | 胡大伟 | Medical valve plugging device |
| CN101460113B (en) * | 2006-03-31 | 2012-06-13 | 斯波瑞申有限公司 | Articulable anchor |
| CN107427304A (en) * | 2015-03-26 | 2017-12-01 | 波士顿科学国际有限公司 | Inflatable plugging device based on biology |
-
2004
- 2004-12-06 CN CN 200410073356 patent/CN1785137A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101460113B (en) * | 2006-03-31 | 2012-06-13 | 斯波瑞申有限公司 | Articulable anchor |
| CN101745173B (en) * | 2008-12-01 | 2012-01-04 | 胡大伟 | Medical valve plugging device |
| CN107427304A (en) * | 2015-03-26 | 2017-12-01 | 波士顿科学国际有限公司 | Inflatable plugging device based on biology |
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