CN103445893A - Tracheal stent - Google Patents
Tracheal stent Download PDFInfo
- Publication number
- CN103445893A CN103445893A CN2013104445495A CN201310444549A CN103445893A CN 103445893 A CN103445893 A CN 103445893A CN 2013104445495 A CN2013104445495 A CN 2013104445495A CN 201310444549 A CN201310444549 A CN 201310444549A CN 103445893 A CN103445893 A CN 103445893A
- Authority
- CN
- China
- Prior art keywords
- rack body
- trachea
- branch road
- stent body
- trachea bracket
- 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.)
- Granted
Links
Images
Landscapes
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a tracheal stent comprising a stent body and implant devices. The stent body is of a radially-openable columnar structure, and the side wall of the stent body is provided with an axially through gap portion. During implantation, the implant device are mounted on the stent body, the sent body is put into the affected part and then is opened after reaching the specific position, and then the implant devices retreat. Since the side wall of the stent body is provided with the axially through gap portion in a shape similar to that of the tracheal cartilage position, after the stent body is opened, the gap portion is enabled to be opposite to the opening of the cartilage so as to prevent the stent body from adhesion to connective tissue at the opening of the cartilage, and the stent body and the trachea are always independent so as to facilitate taking out and replacement of the stent body; meanwhile, the gap portion of the stent body is matched with the cartilage structure, and thereby specificity of the tracheal stent is improved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of trachea bracket.
Background technology
Trachea is the pipeline connected between larynx and lung, cartilage, muscle, connective tissue and mucosa, consists of; Wherein, the cartilaginous ring that cartilage is " C " font, backward, each cartilaginous ring couples together by ligament breach, and ring rear indentation, there is connected with dense connective tissue by smooth muscle, has kept lasting open configuration.
Congenital malformation or the day after tomorrow pathological changes all may cause tracheal stenosis, cause patient respiratory not smooth, even threat to life.The built-in trachea bracket treatment of clinical employing in recent years tracheal stenosis has obtained 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 to trachea, when reaching the airway constriction position, the middle part of rack body is aimed to the stage casing of narrow positions under the supervision of x-ray, then retreat fast epitheca pipe releasing bracket body, exit inserter.Check that through fibre bronchus mirror the recovery of rack body shape is good, tight with the airway walls laminating, the airway constriction position is strutted by rack body, finally extracts fibre bronchus mirror.
But for being with non-closing structure jaggy, cross section is circular rack body while strutting at the cartilaginous ring place due to the cartilaginous ring of trachea, the outer wall of rack body not only with the cartilaginous ring laminating, also can fit with smooth muscle and the connective tissue of indentation, there; In patient's recovery process, the smooth muscle that rack body can constantly 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 the patient is infant, along with the growth promoter of cartilaginous ring, the tracheal stenosis symptom is most can fully recover, and trachea bracket generally needs to take out, and, because rack body has been wrapped up by connective tissue, takes out comparatively difficulty; Simultaneously, the diameter of rack body can't increase along with the growth of infant trachea, causes the width that rack body is propped up to satisfy the demands.
Therefore, how trachea bracket is made to improvement, avoid 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, need the problem of solution badly with regard to becoming those skilled in the art.
Summary of the invention
The purpose 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, thereby has facilitated taking-up and the displacement of trachea bracket; Simultaneously, this kind of trachea bracket is more suitable for the symptomatic treatment that the cartilaginous ring place is narrow, improved the specificity of trachea bracket.
The invention provides a kind of trachea bracket, comprise rack body and embedded device, the column structure of described rack body for can radially opening, 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 shape of the axial shape of described rack body and trachea bifurcation is complementary.
Preferably, described rack body comprises transverse part and the vertical section that becomes to be scheduled to angle with described transverse part, and the first end of described transverse part is communicated with the second end of described vertical section.
Preferably, described embedded device is two, and two described embedded devices are installed on respectively the second end of described transverse part and the first end of described vertical section.
Preferably, described rack body comprises the first branch road, the second branch road and the 3rd branch road that an end is connected, and between described the first branch road, described the second branch road and described the 3rd branch road, has respectively predetermined angle.
Preferably, described embedded device is three, is arranged at respectively the end of described the first branch road, described the second branch road and described the 3rd branch road.
Preferably, described embedded device is sacculus.
Trachea bracket provided by the present invention comprises rack body and embedded device, wherein, and the column structure of rack body for can radially opening, and its sidewall has the notch part axially run through; In inserting process, embedded device is arranged on rack body, and rack body is sent into to affected part, rack body is opened after arriving assigned address, and the backed off after random embedded device; Because the sidewall of rack body has the notch part axially run through, similar with the shape at tracheal cartilages place, after rack body is opened, make the opening part of notch part over against cartilage, avoided rack body and cartilage place connective tissue to stick together, rack body and trachea are independently all the time, so that the taking-up of rack body and displacement; Simultaneously, notch part and the cartilage structure of this rack body match, and have improved the specificity of trachea bracket.
A kind of preferred embodiment in, rack body provided by the present invention comprises transverse part and the vertical section that becomes to be scheduled to angle with transverse part, the first end of transverse part is communicated with the second end of vertical section, and rack body is roughly L-shaped, with the bifurcation shape of trachea, is complementary, like this, when trachea and bifurcation all being deposited to narrow and Stent Implantation, only need this support is inserted to get final product, without inserting respectively two supports, simplified support and inserted process, reduced support and inserted 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 an end is connected, and between the first branch road, the second branch road and the 3rd branch road, has respectively predetermined angle; The bifurcation of trachea not only has the situation of two-way branch, also has the situation of three tunnel branches, and the air pipe structure that this rack body is " Y " shape ，Yu tri-tunnel branches substantially is complementary, thereby has further improved the scope of application of trachea bracket.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of traditional trachea bracket medium-height trestle body;
The structural representation that Fig. 2 is trachea bracket medium-height trestle body provided by the present invention;
The cross sectional representation that Fig. 3 is rack body shown in Fig. 2;
The structural representation that Fig. 4 is a kind of embodiment of trachea bracket provided by the present invention;
The structural representation that Fig. 5 is the another kind of embodiment of trachea bracket provided by the present invention.
The specific embodiment
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, thereby has facilitated taking-up and the displacement of trachea bracket; Simultaneously, this kind of trachea bracket is more suitable for the symptomatic treatment that the cartilaginous ring place is narrow, improved the specificity of trachea bracket.
In order to make those skilled in the art person understand better the present invention program, 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, the structural representation that Fig. 2 is a kind of specific embodiment of rack body provided by the present invention; The cross sectional representation that Fig. 3 is rack body shown in Fig. 2.
In a kind of specific embodiment, trachea bracket provided by the present invention comprises rack body 2 and embedded device 3, wherein, and the column structure of rack body 2 for can radially opening, and its sidewall has the notch part 21 axially run through; In inserting process, embedded device 3 is arranged on rack body 2, and rack body 2 is sent into to affected part, after arriving assigned address, opens rack body 2, and backed off after random embedded device 3; Because the sidewall of 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 the opening part of notch part 21 over against cartilage, avoided rack body 2 and the connective tissue of cartilage opening part to stick together, rack body 2 is independently with trachea all the time, so that the taking-up of rack body 2 and displacement; Simultaneously, notch part 21 and the cartilage structure of this rack body 2 match, and have improved 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 definite according to actual service condition, and for example, in the situation that meet enough support forces, shape of cross section also is not limited to " C " shape, can be also semicircle, or the larger structure of opening.
Because trachea has a lot of branches, in order to realize the use in the trachea bifurcation, enlarge the scope of application, the shape of the axial shape of rack body 2 and trachea bifurcation is complementary.
Particularly, as shown in Figure 4, in one embodiment, rack body 2 comprises transverse part 23 and vertical sections 22 with the predetermined angles of 23 one-tenth of transverse parts, the first end of transverse part 23 is communicated with the second end of vertical section 22, and rack body 2 is roughly L-shaped, with the bifurcation shape of trachea, is complementary, like this, when the bifurcation to trachea and trachea is all deposited narrow Stent Implantation, only need this support is inserted and got final product, without inserting respectively two supports, simplified support and inserted process, reduced support and inserted difficulty.
The concrete angle that it is pointed out that the predetermined angle formed between above-mentioned transverse part 23 and vertical section 22 should be definite according to the trachea shape of using affected part, and transverse part 23 and the angular relationship between vertical section 22 that this predetermined angular forms should be complementary with the shape in affected part as far as possible.
In the above-described embodiments, embedded device 3 is preferably two, and two embedded devices 3 are installed on respectively the second end of transverse part 23 and the first end of vertical section 22, 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 between the first branch road 24, the second branch road 25 and the 3rd branch road 26, the first branch roads 24, the second branch road 25 and the 3rd branch road 26 that an end is connected having respectively predetermined angle; The bifurcation of trachea not only has the situation of two-way branch, also has the situation of three tunnel branches, and the air pipe structure that this rack body 2 is " Y " shape ，Yu tri-tunnel branches substantially is complementary, thereby has further improved the scope of application of trachea bracket.
Similarly, the concrete angle of the predetermined angle formed between above-mentioned each branch should be definite according to the trachea shape of using affected part, and transverse part 23 and the angular relationship between vertical section 22 that this predetermined angular forms should be complementary with the shape in affected part as far as possible.
In the above-described embodiments, embedded device 3 is preferably three, be arranged at respectively the end of the first branch road 24, the second branch road 25 and the 3rd branch road 26, apparently, in order to realize using function, embedded device should there is suitable annexation between each embedded device 3, so that can or be opened successively simultaneously; 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 has only enumerated rack body 2 and has had the situation of two branches and three branches, from theory, for axial arrangement and the affected part trachea branch situation that makes rack body 2 is complementary, the branch of a plurality of rack bodies 2 also can be set.
In the above-mentioned specific embodiment, embedded device 3 can be sacculus, and sacculus is the conventional insertion apparatus used in this area, and structure function is comparatively ripe.Apparently, embedded device 3 can be also the conventional structure of using in this area.
Trachea bracket provided by the present invention can have plurality of specifications, determines the specification of trachea bracket according to actual service condition; This trachea bracket is particularly useful for the treatment of 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 in order to distinguish the different structure of same names, do not mean 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.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.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 improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (8)
1. a trachea bracket, comprise rack body (2) and embedded device (3), it is characterized in that, and the column structure of described rack body (2) for can radially opening, and its sidewall has the notch part (21) axially run through.
2. trachea bracket according to claim 1, is characterized in that, the shape of cross section of described rack body (2) is " C " shape.
3. trachea bracket according to claim 2, is characterized in that, the axial shape of described rack body (2) and the shape of trachea bifurcation are complementary.
4. trachea bracket according to claim 3, it is characterized in that, described rack body (2) comprises transverse part (23) and the vertical section (22) that becomes to be scheduled to angle with described transverse part (23), and the first end of described transverse part (23) is communicated with the second end of described vertical section (22).
5. trachea bracket according to claim 4, is characterized in that, described embedded device (3) is two, and two described embedded devices (3) are installed on respectively the second end of described transverse part (23) and the first end of described vertical section (22).
6. trachea bracket according to claim 3, it is characterized in that, described rack body (2) comprises the first branch road (24), the second branch road (25) and the 3rd branch road (26) that an end is connected, and between described the first branch road (24), described the second branch road (25) and described the 3rd branch road (26), has respectively predetermined angle.
7. trachea bracket according to claim 6, is characterized in that, described embedded device (3) is three, is arranged at respectively the end of described the first branch road (24), described the second branch road (25) and described the 3rd branch road (26).
8. according to the described trachea bracket of claim 1 to 7 any one, it 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103445893A true CN103445893A (en) | 2013-12-18 |
| CN103445893B CN103445893B (en) | 2016-04-13 |
Family
ID=49729021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310444549.5A Active CN103445893B (en) | 2013-09-23 | 2013-09-23 | A kind of trachea bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103445893B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434351A (en) * | 2014-12-10 | 2015-03-25 | 南京微创医学科技有限公司 | Bionic tracheal stent mounted in trachea |
| CN105055060A (en) * | 2015-08-04 | 2015-11-18 | 上海交通大学医学院附属上海儿童医学中心 | Tracheal stent and application thereof |
| CN105596124A (en) * | 2016-01-25 | 2016-05-25 | 张�杰 | Y-shaped metal film covering air tract support frame |
| CN106937893A (en) * | 2017-01-12 | 2017-07-11 | 湖北天南星实业有限责任公司 | Trachea bracket |
Citations (5)
| 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 |
| JP2004073440A (en) * | 2002-08-16 | 2004-03-11 | Metoran:Kk | Trachea stent |
| CN2836753Y (en) * | 2005-04-08 | 2006-11-15 | 吴雄 | Tectorial membrane trachea stent |
| US20080167725A1 (en) * | 2002-12-30 | 2008-07-10 | Quiescence Medical, Inc. | Stent for maintaining patency of a body region |
| CN101569572A (en) * | 2008-04-30 | 2009-11-04 | 余少卿 | External titanium alloy trachea bracket |
-
2013
- 2013-09-23 CN CN201310444549.5A patent/CN103445893B/en active Active
Patent Citations (5)
| 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 |
| JP2004073440A (en) * | 2002-08-16 | 2004-03-11 | Metoran:Kk | Trachea stent |
| US20080167725A1 (en) * | 2002-12-30 | 2008-07-10 | Quiescence Medical, Inc. | Stent for maintaining patency of a body region |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434351A (en) * | 2014-12-10 | 2015-03-25 | 南京微创医学科技有限公司 | Bionic tracheal stent mounted in trachea |
| 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 |
| CN105055060A (en) * | 2015-08-04 | 2015-11-18 | 上海交通大学医学院附属上海儿童医学中心 | Tracheal stent and application thereof |
| CN105596124A (en) * | 2016-01-25 | 2016-05-25 | 张�杰 | Y-shaped metal film covering air tract support frame |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103445893B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Antón‐Pacheco et al. | Initial experience with a new biodegradable airway stent in children: is this the stent we were waiting for? | |
| CN103445893B (en) | A kind of trachea bracket | |
| Vondrys et al. | First experience with biodegradable airway stents in children | |
| Zhou et al. | Current treatment of tracheoesophageal fistula | |
| US20130197657A1 (en) | Central airway stent | |
| CN103815986B (en) | Artificial nasolacrimal canal | |
| Lim et al. | Factors predicting outcome following airway stenting for post‐tuberculosis tracheobronchial stenosis | |
| Schokkenbroek et al. | Dilatation tracheoscopy for laryngeal and tracheal stenosis in patients with Wegener’s granulomatosis | |
| Ducic et al. | Use of endoscopically placed expandable nitinol tracheal stents in the treatment of tracheal stenosis | |
| Wallis et al. | Tracheobronchial stenting for airway malacia | |
| Spraggs et al. | Management of laryngotracheobronchial sequelae and complications of relapsing polychondritis | |
| Violette et al. | Correlations among tracheal dimensions, tracheal stent dimensions, and major complications after endoluminal stenting of tracheal collapse syndrome in dogs | |
| AU2015233157B2 (en) | Fixation apparatus | |
| CN102247185B (en) | Pancreaticobiliary duct combined stent pipe device with magnetic ring for use in pancreatoduodenectomy | |
| CN204428203U (en) | The anti-I type internal hemorrhage due to trauma support of attached sponge structure | |
| CN204995614U (en) | Trachea support | |
| Liu et al. | Recent advances in airway stenting | |
| Mencattelli et al. | In vivo molding of airway stents | |
| Wang et al. | Treatment of bronchomalacia using three-dimensional printed polycaprolactone scaffold in a pediatric patient | |
| Yang et al. | Implantation of a self-expandable metallic inverted Y-stent to treat tracheobronchial stenosis in the carinal region: initial clinical experience | |
| Rocha et al. | Detachment of the carinal hook following endobronchial intubation with a double lumen tube | |
| Kim et al. | Esophagorespiratory fistula without stricture: palliative treatment with a barbed covered metallic stent in the central airway | |
| Bravo et al. | Down syndrome and complete tracheal rings | |
| Kilman | Narrowing of the airway in relapsing polychondritis | |
| Buiret et al. | Determination of predictive factors of tracheobronchial prosthesis removal: stent brands are crucial |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |