CN103445893B - A kind of trachea bracket - Google Patents
A kind of trachea bracket Download PDFInfo
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- CN103445893B CN103445893B CN201310444549.5A CN201310444549A CN103445893B CN 103445893 B CN103445893 B CN 103445893B CN 201310444549 A CN201310444549 A CN 201310444549A CN 103445893 B CN103445893 B CN 103445893B
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- rack body
- trachea
- branch road
- embedded device
- trachea bracket
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Abstract
The invention discloses a kind of trachea bracket, this trachea bracket comprises rack body and embedded device, and wherein, rack body is the column structure that can radial open, and its sidewall has the notch part axially run through; Inserting in process, be arranged on rack body by embedded device, and rack body is sent into affected part, rack body is opened after arriving assigned address, and backed off after random embedded device; Sidewall due to rack body has the notch part axially run through, similar with the shape at tracheal cartilages place, after rack body is opened, make notch part just to the opening part of cartilage, the connective tissue avoiding rack body and cartilage opening part sticks together, rack body and trachea are independently all the time, so that the taking-up of rack body and displacement; Meanwhile, notch part and the cartilage structure of this rack body match, and improve the specificity of trachea bracket.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of trachea bracket.
Background technology
Trachea connects the pipeline between larynx and lung, is made up of cartilage, muscle, connective tissue and mucosa; Wherein, cartilage is the cartilaginous ring of " C " font, and backward, each cartilaginous ring is coupled together by ligament breach, and ring rear indentation, there is connected with dense connective tissue by smooth muscle, maintains lasting open configuration.
Congenital malformation or the day after tomorrow pathological changes all may cause tracheal stenosis, cause patient respiratory smooth, even threat to life.The built-in trachea bracket treatment of clinical employing in recent years tracheal stenosis achieves significant curative effect.As shown in Figure 1, existing trachea bracket comprises rack body and inserter, and wherein rack body mostly is columnar structured, and its cross section is closed circle; Rack body is memory alloy material, inserter is through the inner chamber of rack body, and rack body is sent into trachea, when reaching airway constriction position, the middle part of rack body is aimed at the stage casing of narrow positions under the supervision of x-ray, then rapid backward outer sheath releasing bracket body, exits inserter.Recover good through Fibro-bronchoscopy test rack body shape, fit closely with airway walls, airway constriction position is strutted by rack body, finally extracts fibre bronchus mirror.
But the cartilaginous ring due to trachea is band non-occluded configuration jaggy, cross section be circular rack body when cartilaginous ring place struts, the outer wall of rack body is not only fitted with cartilaginous ring, also can fit with the smooth muscle of indentation, there and connective tissue; In patient's recovery process, the smooth muscle that rack body constantly can be grown by indentation, there and knot are formed and are wrapped, and are unfavorable for displacement and the taking-up of trachea bracket; Especially when patient is infant, along with the growth promoter of cartilaginous ring, tracheal stenosis symptom majority can be fully recovered, and trachea bracket generally needs to take out, and has been wrapped up by connective tissue due to rack body, takes out comparatively difficulty; Meanwhile, the diameter of rack body cannot increase along with the growth of infant trachea, and the width causing rack body to be propped up cannot satisfy the demands.
Therefore, how improvement is made to trachea bracket, avoiding it in use to stick together with the connective tissue at patient's cartilaginous ring place, so that the taking-up of trachea bracket and displacement, needing the problem of solution badly with regard to becoming those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of trachea bracket, it in use can not stick together with the connective tissue at patient's cartilaginous ring place, thus facilitates taking-up and the displacement of trachea bracket; Meanwhile, this kind of trachea bracket is more suitable for the narrow symptomatic treatment in cartilaginous ring place, improves the specificity of trachea bracket.
The invention provides a kind of trachea bracket, comprise rack body and embedded device, described rack body is the column structure that can radial open, and its sidewall has the notch part axially run through.
Preferably, the shape of cross section of described rack body is " C " shape.
Preferably, the axial shape of described rack body and the mating shapes of trachea bifurcation.
Preferably, described rack body comprises transverse part and becomes the vertical portion of predetermined angle with described transverse part, and the first end of described transverse part is communicated with second end in described vertical portion.
Preferably, described embedded device is two, and embedded device described in two is installed on the second end of described transverse part and the first end in described vertical portion respectively.
Preferably, described rack body comprises the first branch road, the second branch road and the 3rd branch road that one end is connected, and described first branch road, has predetermined angle respectively between described second branch road and described 3rd branch road.
Preferably, described embedded device is three, is arranged at the end of described first branch road, described second branch road and described 3rd branch road respectively.
Preferably, described embedded device is sacculus.
Trachea bracket provided by the present invention comprises rack body and embedded device, and wherein, rack body is the column structure that can radial open, and its sidewall has the notch part axially run through; Inserting in process, be arranged on rack body by embedded device, and rack body is sent into affected part, rack body is opened after arriving assigned address, and backed off after random embedded device; Sidewall due to rack body has the notch part axially run through, similar with the shape at tracheal cartilages place, after rack body is opened, make notch part just to the opening part of cartilage, avoid rack body and cartilage place connective tissue sticks together, rack body and trachea are independently all the time, so that the taking-up of rack body and displacement; Meanwhile, notch part and the cartilage structure of this rack body match, and improve the specificity of trachea bracket.
In a preferred embodiment, rack body provided by the present invention comprises transverse part and becomes the vertical portion of predetermined angle with transverse part, the first end of transverse part is communicated with second end in vertical portion, and namely rack body is roughly L-shaped, with the bifurcation mating shapes of trachea, like this, when all depositing narrow and Stent Implantation to trachea and bifurcation, only this support need be inserted, without the need to inserting two supports respectively, simplify support and insert process, reduce support and insert difficulty.
In another preferred embodiment, rack body provided by the present invention comprises the first branch road, the second branch road and the 3rd branch road that one end is connected, and the first branch road, has predetermined angle respectively between the second branch road and the 3rd branch road; The bifurcation of trachea not only has the situation of two-way branch, also has the situation of three tunnel branches, and this rack body substantially in " Y " shape, matches with the air pipe structure of three tunnel branches, thus further increases the scope of application of trachea bracket.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of traditional trachea bracket medium-height trestle body;
Fig. 2 is the structural representation of trachea bracket medium-height trestle body provided by the present invention;
Fig. 3 is the cross sectional representation of rack body shown in Fig. 2;
Fig. 4 is the structural representation of a kind of embodiment of trachea bracket provided by the present invention;
Fig. 5 is the structural representation of the another kind of embodiment of trachea bracket provided by the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of trachea bracket, and it in use can not stick together with the connective tissue of patient's cartilaginous ring opening part, thus facilitates taking-up and the displacement of trachea bracket; Meanwhile, this kind of trachea bracket is more suitable for the narrow symptomatic treatment in cartilaginous ring place, improves the specificity of trachea bracket.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of detailed description of the invention of rack body provided by the present invention; Fig. 3 is the cross sectional representation of rack body shown in Fig. 2.
In a kind of detailed description of the invention, trachea bracket provided by the present invention comprises rack body 2 and embedded device 3, and wherein, rack body 2 is the column structure that can radial open, and its sidewall has the notch part 21 axially run through; Inserting in process, be arranged on rack body 2 by embedded device 3, and rack body 2 is sent into affected part, rack body 2 is opened after arriving assigned address, and backed off after random embedded device 3; Sidewall due to rack body 2 has the notch part 21 axially run through, similar with the shape at tracheal cartilages place, after rack body 2 is opened, make notch part 21 just to the opening part of cartilage, avoid rack body 2 to stick together with the connective tissue of cartilage opening part, rack body 2 and trachea are independently all the time, so that the taking-up of rack body 2 and displacement; Meanwhile, notch part 21 and the cartilage structure of this rack body 2 match, and improve the specificity of trachea bracket.
Preferably, the shape of cross section of above-mentioned rack body 2 is " C " shape, so that more identical with the shape of tracheal cartilages; From theory, the openings of sizes of the notch part 21 of rack body should be determined according to actual service condition, and such as, when meeting enough support forces, shape of cross section is also not limited to " C " shape also can be semicircle, or the structure that opening is larger.
Because trachea has a lot of branch, in order to realize the use in trachea bifurcation, expand the scope of application, the axial shape of rack body 2 and the mating shapes of trachea bifurcation.
Particularly, as shown in Figure 4, in one embodiment, rack body 2 comprises transverse part 23 and the vertical portion 22 with the predetermined angle of transverse part 23 one-tenth, the first end of transverse part 23 is communicated with second end in vertical portion 22, and namely rack body 2 is roughly L-shaped, with the bifurcation mating shapes of trachea, like this, when all depositing narrow Stent Implantation to the bifurcation of trachea and trachea, only this support need be inserted, without the need to inserting two supports respectively, simplify support and insert process, reduce support and insert difficulty.
It is pointed out that the concrete angle of the predetermined angle formed between above-mentioned transverse part 23 and vertical portion 22 should be determined according to using the trachea shape in affected part, the angular relationship between the transverse part 23 that this predetermined angular is formed and vertical portion 22 should as far as possible with the mating shapes in affected part.
In the above-described embodiments, embedded device 3 is preferably two, and two embedded devices 3 are installed on the second end of transverse part 23 and the first end in vertical portion 22 respectively, when trachea bracket arrives assigned address, embedded device 3 is opened successively or simultaneously, to realize opening of rack body 2.From theory, embedded device 3 is not limited to two, as long as can realize normally opening of rack body 2, the number of embedded device 3 and setting position should be determined according to actual service condition.
As shown in Figure 5, in another kind of embodiment, rack body 2 comprises the first branch road 24, second branch road 25 that one end is connected and has predetermined angle respectively between the 3rd branch road 26, first branch road 24, second branch road 25 and the 3rd branch road 26; The bifurcation of trachea not only has the situation of two-way branch, also has the situation of three tunnel branches, and this rack body 2 substantially in " Y " shape, matches with the air pipe structure of three tunnel branches, thus further increases the scope of application of trachea bracket.
Similarly, the concrete angle of the predetermined angle formed between above-mentioned each branch should be determined according to using the trachea shape in affected part, the angular relationship between the transverse part 23 that this predetermined angular is formed and vertical portion 22 should as far as possible with the mating shapes in affected part.
In the above-described embodiments, embedded device 3 is preferably three, be arranged at the end of the first branch road 24, second branch road 25 and the 3rd branch road 26 respectively, apparently, in order to realize using function, embedded device suitable annexation should be had, so that can or be opened successively simultaneously between each embedded device 3; Same, when trachea bracket arrives assigned address, embedded device 3 is opened successively or simultaneously, to realize opening of rack body 2.From theory, embedded device 3 is not limited to three, as long as can realize normally opening of rack body 2, the number of embedded device 3 and setting position should be determined according to actual service condition.
Above embodiment only lists the situation that rack body 2 has Liang Ge branch and three branches, from theory, in order to make the axial arrangement of rack body 2 and affected part trachea branch situation match, also can arrange the branch of multiple rack body 2.
In above-mentioned detailed description of the invention, embedded device 3 can be sacculus, and sacculus is the insertion apparatus that this area routine uses, and structure function is comparatively ripe.Apparently, embedded device 3 also can be the conventional structure used in this area.
Trachea bracket provided by the present invention can have plurality of specifications, according to the specification of actual service condition determination trachea bracket; This trachea bracket is particularly useful for the treatment of the tracheal stenosis of the infant of stage of development.
It is pointed out that ordinal numbers such as " first, second " described in literary composition is the different structure in order to distinguish same names, not representing certain order, more should not be construed as any restriction.
Above a kind of trachea bracket provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (3)
1. a trachea bracket, comprise rack body (2) and embedded device (3), it is characterized in that, described rack body (2) is the column structure that can radial open, and its sidewall only has the notch part (21) axially run through, the sidewall surfaces of described rack body (2) is continuous; And described notch part (21) and tracheal cartilages structure match, when described rack body (2) is installed, described notch part (21) is just to the opening part of cartilage;
The shape of cross section of described rack body (2) is " C " shape;
The axial shape of described rack body (2) and the mating shapes of trachea bifurcation;
Described rack body (2) comprises the first branch road (24), the second branch road (25) and the 3rd branch road (26) that one end is connected, and described first branch road (24), has predetermined angle respectively between described second branch road (25) and described 3rd branch road (26).
2. trachea bracket according to claim 1, it is characterized in that, described embedded device (3) is three, is arranged at the end of described first branch road (24), described second branch road (25) and described 3rd branch road (26) respectively.
3. trachea bracket according to claim 1 and 2, is characterized in that, described embedded device (3) is sacculus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444549.5A CN103445893B (en) | 2013-09-23 | 2013-09-23 | A kind of trachea bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444549.5A CN103445893B (en) | 2013-09-23 | 2013-09-23 | A kind of trachea bracket |
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| Publication Number | Publication Date |
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| CN103445893A CN103445893A (en) | 2013-12-18 |
| CN103445893B true CN103445893B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310444549.5A Expired - Fee Related CN103445893B (en) | 2013-09-23 | 2013-09-23 | A kind of trachea bracket |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434351B (en) * | 2014-12-10 | 2017-01-11 | 南京微创医学科技股份有限公司 | Bionic tracheal stent mounted in trachea |
| CN105055060B (en) * | 2015-08-04 | 2017-11-14 | 上海交通大学医学院附属上海儿童医学中心 | A kind of trachea bracket and its application |
| CN105596124B (en) * | 2016-01-25 | 2017-11-21 | 首都医科大学附属北京天坛医院 | A kind of metal film coated airway stent of Y types |
| CN106937893A (en) * | 2017-01-12 | 2017-07-11 | 湖北天南星实业有限责任公司 | Trachea bracket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2066148C1 (en) * | 1993-12-13 | 1996-09-10 | Московский научно-исследовательский институт диагностики и хирургии | Tracheobronchial endoprosthesis |
| CN2836753Y (en) * | 2005-04-08 | 2006-11-15 | 吴雄 | Tectorial membrane trachea stent |
| CN101569572A (en) * | 2008-04-30 | 2009-11-04 | 余少卿 | External titanium alloy trachea bracket |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004073440A (en) * | 2002-08-16 | 2004-03-11 | Metoran:Kk | Tracheal stent |
| US7647931B2 (en) * | 2002-12-30 | 2010-01-19 | Quiescence Medical, Inc. | Stent for maintaining patency of a body region |
-
2013
- 2013-09-23 CN CN201310444549.5A patent/CN103445893B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2066148C1 (en) * | 1993-12-13 | 1996-09-10 | Московский научно-исследовательский институт диагностики и хирургии | Tracheobronchial endoprosthesis |
| CN2836753Y (en) * | 2005-04-08 | 2006-11-15 | 吴雄 | Tectorial membrane trachea stent |
| CN101569572A (en) * | 2008-04-30 | 2009-11-04 | 余少卿 | External titanium alloy trachea bracket |
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| CN103445893A (en) | 2013-12-18 |
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