CN204428203U - The anti-I type internal hemorrhage due to trauma support of attached sponge structure - Google Patents
The anti-I type internal hemorrhage due to trauma support of attached sponge structure Download PDFInfo
- Publication number
- CN204428203U CN204428203U CN201420825913.2U CN201420825913U CN204428203U CN 204428203 U CN204428203 U CN 204428203U CN 201420825913 U CN201420825913 U CN 201420825913U CN 204428203 U CN204428203 U CN 204428203U
- Authority
- CN
- China
- Prior art keywords
- type internal
- internal hemorrhage
- hemorrhage due
- trauma
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
This utility model relates to a kind of anti-I type internal hemorrhage due to trauma support of attached sponge structure, for closed I type internal hemorrhage due to trauma, it is characterized in that, comprising: with the metal net shaped supporting layer of arteries mating shapes; Be covered in the coating layer on metal net shaped supporting layer; And the spongy layer of the proximal part be distributed in outside described coating layer or the proximal part be simultaneously distributed in outside described coating layer and distal end, spongy layer is filled in the gap formed between arterial vascular inwall and coating layer under the effect of natural resiliency, and spongy layer does not exceed the edge of the end of metal net shaped supporting layer and coating layer.The anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model can close I type internal hemorrhage due to trauma in advance.
Description
Technical field
This utility model relates to a kind of anti-I type internal hemorrhage due to trauma support of attached sponge structure, belongs to medical instruments field.
Background technology
Aneurysm is that modal initiation disables and one of lethal angiopathy.Be found in any tremulous pulse of whole body, common with old people.Aneurysm can have multiple size, form and distribution, and Audit Report special committee of vascular surgery association (the Ad Hoc Committee onReporting Standards of the Society for Vascular Surgery) defines aneurysm and is: arteries diameter exceedes the permanent limitation expansion of natural arterial caliber 50%; So that clinical decision and carry out classifying and standardization.
Have the earliest and come from 3rd century of Christian era about attempting to treat aneurysmal record; Until 1888, the people such as Matas complete first case aneurysm kposthesis truly, namely at the tumor intracavity ligation bifurcated artery of brachial artery tumor.Nineteen fifty-one, Dubost etc. complete first case aneurysm suture and neoplasty, and they excise the abdominal aortic aneurysm of a patient, and the thoracic aorta that have selected 20 years old donator of cadaver is as alloplast, be transplanted in abdominal aortic aneurysms body, this patient's postoperative survival 8 years.Repair aneurysmal open surgery improve gradually in 40 subsequently year and optimize, but its Peri operative mortality is still up to 5%.1991, people's reported first using artificial endovascular stent complex such as Parodi repaired the experience of aortic aneurysm.After Food and Drug Admistraton (FDA) ratifies the clinical practice of endovascular graft thing, aneurysm (comprising peripheral arterial tumor and aortic aneurysm) experienced by by the differentiation of open bypass prothesis to Endovascular repair.
Compared with conventional therapy, use overlay film frame to carry out disease such as endovascular graft treatment aneurysm, artery dissection etc. and there is the advantages such as operation wound is little, post-operative recovery is fast, the hospital stays is short, but its distinctive complication---internal hemorrhage due to trauma still cannot be avoided up till now completely.Internal hemorrhage due to trauma is one of postoperative most important complication of inner cavity insulation, and its incidence rate is up to 45%.Internal hemorrhage due to trauma can be divided into I-V type by its mechanism; Wherein, I type internal hemorrhage due to trauma refer to due to support overlay film and anchorage zone Wall of Artery docile bad, cause blood flow to leak out in aneurysm cavity through overlay film frame proximal part or distal end; Its incidence rate about 10%, often can find at Photographg, and the existence because of I type internal hemorrhage due to trauma can cause aneurysm cavity inner high voltage, aneurysm continuous enlargement even has the risk of breaking, and needs to process immediately in art.It is generally acknowledged, proximal landing zone < 10mm, and/or tumor neck angulation > 60 °, I type internal hemorrhage due to trauma incidence rate will obviously raise.At present, to the general processing mode of I type internal hemorrhage due to trauma found in Rhizoma Atractylodis Macrocephalae be: balloon expandable, add stent graft with short section, bare bracket or utilize the embolization technique of cyanoacrylate, Onyx glue, turn, Fibrin Glue.These technology can process most of I type internal hemorrhage due to trauma; But in some cases will be very difficult, as: abdominal aortic aneurysm proximal landing zone is too short, and adding at near-end likely affects the confession of renal artery blood with short section of graft.Maldonado etc. sum up the effect of current said method process I type internal hemorrhage due to trauma: cyanoacrylate suppository success rate is 92.3%, and near-end short section of graft is 80%, and turn is 75%.No matter take above-mentioned any processing mode, not only there is the problem of success rate, also there is the problem rolling up operating time and medical expense; Operating time prolongation makes operation in patients risk, postoperative infection incidence rate increases, and high medical expense brings the financial burden of great number to patient, takies more social resources simultaneously.
Utility model content
For solving the problem, this utility model have employed following technical scheme:
An anti-I type internal hemorrhage due to trauma support for attached sponge structure, for closed I type internal hemorrhage due to trauma, is characterized in that, comprising:
With the metal net shaped supporting layer of arteries mating shapes;
Be covered in the coating layer on metal net shaped supporting layer; And
Be distributed in the spongy layer of proximal part outside described coating layer or the proximal part be simultaneously distributed in outside described coating layer and distal end, spongy layer is filled in the gap formed between arterial vascular inwall and coating layer under the effect of natural resiliency, and spongy layer does not exceed the edge of the end of metal net shaped supporting layer and coating layer.
In addition, the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, can also have such feature: wherein, the thickness range of spongy layer is 1mm-5mm.
In addition, the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, can also have such feature: wherein, the material of spongy layer is poly (glycolide-lactide) PGLA.
In addition, the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, can also have such feature: wherein, spongy layer is made up of the material of the hemocytees such as the thrombin that can adsorb in blood and platelet.
In addition, the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, can also have such feature: wherein, spongy layer have equally distributed diamond sunk, and a longer diagonal of rhombus is consistent with blood flow direction.
Utility model effect and effect
According to the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, when its tumor chamber neoplastic for closed aorta, owing to additionally using spongy layer outside coating layer, and spongy layer is filled in the gap formed between inwall and coating layer under the effect of natural resiliency, blood flow is made can not directly to pour tumor chamber, can there is blood coagulation in the blood in sponge space, thus tumor chamber is completely closed after a period of time has passed, makes tumor chamber enter stable state.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model;
Fig. 2 is the internal structure schematic diagram of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model;
Fig. 3 is the cross-sectional view of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model;
Fig. 4 is the schematic diagram at the anti-I type internal hemorrhage due to trauma stenter to implant blood vessel place of attached sponge structure of the present utility model;
Fig. 5 is the generalized section at BB ' place in Fig. 4;
Fig. 6 is the schematic diagram that spongy layer covers the anti-I type internal hemorrhage due to trauma support two ends of attached sponge structure of the present utility model; And
Fig. 7 is the spongy layer of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model is the schematic diagram of network.
Detailed description of the invention
Owing to causing I type internal hemorrhage due to trauma, namely due to support overlay film and anchorage zone Wall of Artery docile bad, the reason causing blood flow to leak out in aneurysm cavity through overlay film frame proximal part or distal end is a lot, and the anti-internal hemorrhage due to trauma support of attached sponge structure of the present utility model all has the effect of prevention for the I type internal hemorrhage due to trauma caused by a variety of causes.Only for the support overlay film caused by arteriosclerosis plaque and anchorage zone Wall of Artery docile is bad is described in detailed description of the invention.
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
< embodiment one >
Fig. 1 is the overall structure schematic diagram of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, and Fig. 2 is the internal structure schematic diagram of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model.As depicted in figs. 1 and 2, the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure has metal net shaped supporting layer 11, coating layer 12 and spongy layer 13.Metal net shaped supporting layer 11 is positioned at innermost layer, and coating layer 12 is covered in its skin, and spongy layer 13 is positioned at the skin of the proximal part of coating layer 12.Reason is in the side facing to blood flow, the impulsive force of blood flow is very strong, and face the gap that arteriosclerosis block is propped, blood flow especially easily pours gap in this direction, and at distal end, opening due to gap is the direction along blood flow, therefore blood flow is difficult to rush among gap, even if having gap herein, blood flow rate is wherein also very slow, blood wherein can natural coagulation after a period of time, and danger is very little.Therefore at the distal end of the anti-I type internal hemorrhage due to trauma support 20 of attached sponge structure, can not spongy layer be set, so both can reduces manufacturing cost.
The material that coating layer 12 is conventional is terylene, also known as getting PETP.The material that spongy layer 13 uses is poly (glycolide-lactide), english abbreviation PGLA.PGLA material has the effect of hemocyte such as absorption thrombin and platelet etc.Spongy layer 13 is pasted on coating layer.
Fig. 3 is the cross-sectional view of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, as shown in Figure 3, has elastic spongy layer 13 in the periphery of coating layer 12.
Fig. 4 is the schematic diagram at the anti-I type internal hemorrhage due to trauma stenter to implant blood vessel place of attached sponge structure of the present utility model, and Fig. 5 is the generalized section at BB ' place in Fig. 4.As shown in Figure 4 and Figure 5, when the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure is implanted in the blood vessel of aneurysm nidus, the blood vessel wall of the arteries 14 near tumor chamber 16 has arteriosclerosis block 15, arteriosclerosis block 15 is outstanding in blood vessel wall, by the metal net shaped supporting layer 11 of the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure and coating layer 12 jack-up, gap is formed between coating layer 12 and blood vessel, because spongy layer 13 has elasticity, therefore can be filled among gap, and there is a lot of hole due to spongy layer itself.The flow velocity of blood in the gap of being filled by spongy layer declines greatly, and simultaneously due to the effect of the thrombin in blood, the blood remained in the gap that spongy layer is filled after a period of time has passed can solidify, thus by gap closing.
Deposit in gap and also have a harmful effect in case, exactly because gap place is under the impact of blood flow always, endotheliocyte in blood vessel cannot be grown into the inside of support, makes the edge of support not covered by endotheliocyte and then to join together with blood vessel endothelium.After the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure implanting the present embodiment, because the blood flow rate at gap place declines, the epithelial cell near support gap in blood vessel wall is made to have the sufficient time to grow into gradually the inner surface of anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure, stent inner surface covers completely the most at last, joins together with the blood vessel endothelium at two ends.Thus making support enter stable state, tumor intracavity can not be filled with blood again, and the blood coagulation posterior tuberosity chamber that tumor intracavity retains can enter steady statue, and then endotheli ocytosis, in tumor of growing into chamber, is not easily broken in tumor chamber.
The equal Digital arteries blood flow direction in A direction in Fig. 1 and Fig. 5, be proximal part near the one end in A direction, the one end away from A direction is distal end.The length of spongy layer 13 does not exceed the edge at the two ends up and down of metal net shaped supporting layer and coating layer.This reason arranged is to prevent spongy layer from stretching out from the edge of the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure, causing blood flow herein to solidify, and forms thrombosis, vascular embolization among intravasation under the impact of blood flow.
The method for implantation of the anti-I type internal hemorrhage due to trauma support of attached sponge structure:
The anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure is arranged on foley's tube, vascular lesion place is transported to by foley's tube, inject liquid by compression pump and make balloon expandable, and then the anti-I type internal hemorrhage due to trauma support 10 strutting attached sponge structure makes it the blood vessel of both sides, closed tumor chamber, then foley's tube is withdrawn from, make support forever be placed in lesion, reach the object in closed tumor chamber.The direction of support in foley's tube should make when after installation, and the one end with spongy layer is arranged in the proximal part of blood vessel.
In operation process, utilize x-ray radiography video surveillance conduit to enter aorta from small artery in human body, finally arrive the overall process in tumor chamber.
The effect of embodiment one and effect
According to the anti-I type internal hemorrhage due to trauma support of the attached sponge structure in embodiment one, according to the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model, owing to additionally using spongy layer outside coating layer, and spongy layer is filled in the gap formed between inwall and coating layer under the effect of natural resiliency, when blood vessel wall having arteriosclerosis block, have elastic spongy layer can by the metal net shaped supporting layer propped by arteriosclerosis block and between coating layer and blood vessel the gap filling that formed, blood flow is made can not directly to pour tumor chamber, blood in spongy layer can solidify after a period of time has passed, thus tumor chamber is completely closed, tumor chamber is made to enter stable state.
The sponge structure of porous has the effect of three aspects, is physical barrier on the one hand, blood flow velocity is herein slowed down greatly, thus promotion blood coagulation, be chemical action on the other hand, PGLA can adsorb the hemocyte such as thrombin and platelet, promotes blood coagulation further; Meanwhile, network also acts as the substrate that fibrosis is formed.
In addition, length due to spongy layer 13 does not exceed the edge at the two ends up and down of metal net shaped supporting layer and coating layer, therefore, it is possible to prevent spongy layer from stretching out from the edge of the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure, blood flow is herein caused to solidify, form thrombosis, vascular embolization among intravasation under the impact of blood flow.
The method for implantation of the anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure:
The anti-I type internal hemorrhage due to trauma support 10 of attached sponge structure is arranged on foley's tube, vascular lesion place is transported to by foley's tube, inject liquid by compression pump and make balloon expandable, and then the anti-I type internal hemorrhage due to trauma support 10 strutting attached sponge structure makes it the blood vessel of both sides, closed tumor chamber, then foley's tube is withdrawn from, make support forever be placed in lesion, reach the object in closed tumor chamber.
In operation process, utilize x-ray radiography video surveillance conduit to enter aorta from small artery in human body, finally arrive the overall process in tumor chamber.
< embodiment two >
In the present embodiment two, to structure same as the previously described embodiments, this variation gives identical numbering, and saves identical explanation.
Fig. 6 is the schematic diagram that spongy layer covers the anti-I type internal hemorrhage due to trauma support two ends of attached sponge structure of the present utility model, and as shown in Figure 6, the spongy layer 21 of the anti-I type internal hemorrhage due to trauma support 20 of attached sponge structure is covered in the two ends of the anti-I type internal hemorrhage due to trauma support 20 of attached sponge structure.The advantage simultaneously arranging tapetum at proximal part and distal end is to prevent distal end from the situation of I type internal hemorrhage due to trauma occurring further, although the probability that this situation occurs is very low, arranges the safety that can strengthen support further like this.
< embodiment three >
In the present embodiment three, to structure same as the previously described embodiments, this variation gives identical numbering, and saves identical explanation.
Fig. 7 is the spongy layer of the anti-I type internal hemorrhage due to trauma support of attached sponge structure of the present utility model is the schematic diagram of network, and as shown in Figure 7, the spongy layer of the anti-I type internal hemorrhage due to trauma support 30 of attached sponge structure has evenly distributed diamond groove 33.Sponge material used can be saved in diamond groove 33 1 aspect, on the other hand because diamond groove 33 itself has certain space, these spaces likely just hold lower arteriosclerosis block after the implantation, simultaneously, if when arteriosclerosis block is just corresponding with the stupefied limit of projection between diamond groove 33, arteriosclerosis block jack-up sponge power used is also very little, on the contrary, compare the sponge of enriching completely in embodiment one and embodiment two, the pressure of support to arteriosclerosis block and blood vessel wall is less, also less to the stimulation of blood vessel.
In addition, coating layer of the present utility model also can be covered in the inner side of metal net shaped supporting layer, thus spongy layer is directly connected with metal net shaped supporting layer, and this kind of lamination order also can reach technique effect of the present utility model.
Claims (5)
1. an anti-I type internal hemorrhage due to trauma support for attached sponge structure, for closed I type internal hemorrhage due to trauma, is characterized in that, comprising:
With the metal net shaped supporting layer of arteries mating shapes;
Be covered in the coating layer on described metal net shaped supporting layer; And
Be distributed in the spongy layer of proximal part outside described coating layer or the proximal part be simultaneously distributed in outside described coating layer and distal end, described spongy layer is filled in the gap formed between described arterial vascular inwall and described coating layer under the effect of natural resiliency, and described spongy layer does not exceed the edge of the end of described metal net shaped supporting layer and coating layer.
2. the anti-I type internal hemorrhage due to trauma support of attached sponge structure according to claim 1, is characterized in that:
Wherein, the thickness range of described spongy layer is 1mm-5mm.
3. the anti-I type internal hemorrhage due to trauma support of attached sponge structure according to claim 1, is characterized in that:
Wherein, the material of described spongy layer is poly (glycolide-lactide) PGLA.
4. the anti-I type internal hemorrhage due to trauma support of attached sponge structure according to claim 1, is characterized in that:
Wherein, described spongy layer is made up of the material of the hemocytees such as the thrombin that can adsorb in blood and platelet.
5. the anti-I type internal hemorrhage due to trauma support of attached sponge structure according to claim 1, is characterized in that:
Wherein, described spongy layer has equally distributed diamond sunk, and a longer diagonal of described rhombus is consistent with blood flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420825913.2U CN204428203U (en) | 2014-12-19 | 2014-12-19 | The anti-I type internal hemorrhage due to trauma support of attached sponge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420825913.2U CN204428203U (en) | 2014-12-19 | 2014-12-19 | The anti-I type internal hemorrhage due to trauma support of attached sponge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204428203U true CN204428203U (en) | 2015-07-01 |
Family
ID=53596135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420825913.2U Expired - Fee Related CN204428203U (en) | 2014-12-19 | 2014-12-19 | The anti-I type internal hemorrhage due to trauma support of attached sponge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204428203U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492295A (en) * | 2017-09-18 | 2017-12-19 | 郭启仓 | A kind of novel lower limb artery sclerosis model |
| CN109152638A (en) * | 2016-04-12 | 2019-01-04 | 美敦力瓦斯科尔勒公司 | trench fill stent graft and method |
| CN109953842A (en) * | 2019-01-28 | 2019-07-02 | 上海长海医院 | Aorta carried stent and preparation method thereof |
| CN115670568A (en) * | 2022-12-28 | 2023-02-03 | 北京华脉泰科医疗器械股份有限公司 | Intracavity occluder and intracavity occluder conveying device |
-
2014
- 2014-12-19 CN CN201420825913.2U patent/CN204428203U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152638A (en) * | 2016-04-12 | 2019-01-04 | 美敦力瓦斯科尔勒公司 | trench fill stent graft and method |
| CN109152638B (en) * | 2016-04-12 | 2020-06-26 | 美敦力瓦斯科尔勒公司 | Trench-filled stent grafts and methods |
| CN107492295A (en) * | 2017-09-18 | 2017-12-19 | 郭启仓 | A kind of novel lower limb artery sclerosis model |
| CN109953842A (en) * | 2019-01-28 | 2019-07-02 | 上海长海医院 | Aorta carried stent and preparation method thereof |
| CN115670568A (en) * | 2022-12-28 | 2023-02-03 | 北京华脉泰科医疗器械股份有限公司 | Intracavity occluder and intracavity occluder conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Svensson et al. | Elephant trunk procedure: newer indications and uses | |
| CN104873304A (en) | I type endoleak-preventing stent graft system with peripheral-tension-optimizing sponge structure | |
| CN104887348A (en) | I-type internal leakage prevention support transplanting system with sponge structure attached | |
| CN204428203U (en) | The anti-I type internal hemorrhage due to trauma support of attached sponge structure | |
| CN205041568U (en) | Sealed mounting system of main common iliac artery tumour intracavity of type of falling Y integration | |
| CN204072390U (en) | Prevent the Stent-graft of internal hemorrhage due to trauma | |
| CN104116577A (en) | Fork-type covered stent | |
| US11007047B2 (en) | Endoleak preventing stent graft system | |
| CN107811728A (en) | Vascular endoprostheses | |
| CN205287204U (en) | Well outage compliance sacculus expansion pipe | |
| CN104873302B (en) | Leakage stent graft system in the anti-I types of attached fluff structures | |
| CN104873241B (en) | Leakage stent graft system in the anti-I types of attached spiral shape fluff structures | |
| CN104873301B (en) | Leakage stent graft system in the anti-I types of Fufen fork-shaped fluff structures | |
| CN204428206U (en) | The anti-I type internal hemorrhage due to trauma support of Fufen fork-shaped fluff structures | |
| CN104873303B (en) | The anti-interior leakage stent graft system of attached sponge structure | |
| CN104887347A (en) | Internal leakage prevention support transplanting system with villus structure attached | |
| CN204428202U (en) | The anti-internal hemorrhage due to trauma support of attached fluff structures | |
| CN219230266U (en) | Cell-impermeable tectorial membrane support | |
| CN204428205U (en) | The anti-I type internal hemorrhage due to trauma support of attached fluff structures | |
| CN204428096U (en) | The anti-I type internal hemorrhage due to trauma support of attached spiral type fluff structures | |
| CN113558710B (en) | Tumor cavity inner sealing support | |
| CN204428207U (en) | The anti-I type internal hemorrhage due to trauma support of attached optimization circumferential tension force sponge structure | |
| Sinelnikov et al. | Pseudoaneurysm and aorto-bronchial fistula following balloon dilation of recoarctation | |
| CN204428204U (en) | The anti-internal hemorrhage due to trauma support of attached sponge structure | |
| Sangawa et al. | Endovascular treatment of perigraft seroma after open abdominal aortic aneurysm repair: report of a case |
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 |
Granted publication date: 20150701 Termination date: 20161219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |