CN112402078A - Displacement-preventing respiratory tract support - Google Patents
Displacement-preventing respiratory tract support Download PDFInfo
- Publication number
- CN112402078A CN112402078A CN202011219971.7A CN202011219971A CN112402078A CN 112402078 A CN112402078 A CN 112402078A CN 202011219971 A CN202011219971 A CN 202011219971A CN 112402078 A CN112402078 A CN 112402078A
- Authority
- CN
- China
- Prior art keywords
- port
- support
- connecting rod
- supporting
- fixedly connected
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an anti-displacement respiratory tract bracket which comprises a first port, a support frame and a second port, wherein the support frame is equal to the first port and the second port in horizontal distance, a support net is fixedly connected between the support frame and the first port and between the support frame and the second port, the first port and the second port are consistent in structural size, the first port and the second port are symmetrically arranged compared with the support frame, a support base is arranged in the center of the support frame, a second support rod is fixedly connected between the support base and the inner wall of the support frame, and a first connecting rod is fixedly connected between the support base and the first port. When the tracheal intubation device is used, the tumor body can be tightly combined with the device through expansion of the tumor body, the structural strength of the device is improved, and the device can be properly stretched according to expansion and stretching of the trachea so as to be matched with the inner wall of the trachea of a patient and ensure smooth breathing of the patient.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an anti-displacement respiratory tract stent.
Background
The disease of inflammatory granuloma, scar, tuberculosis, wound, tracheomalacia, amyloidosis, tumor and other diseases can cause obstructive pulmonary inflammation, atelectasis and dyspnea, and patients with severe symptoms of dyspnea, wheezing, choking cough and the like can have respiratory failure and endanger life. The placement of the tracheal stent is one of the important means for treating airway stenosis, and can quickly relieve dyspnea and improve clinical symptoms. The application of airway stents dates back to 90 s of the 19 th century at the earliest. In recent 20 years, with the continuous development of material science and the clinical popularization of the bendable bronchoscope, the intraairway stent is really widely applied in clinic, so that the opportunity is provided for further treatment, and the life quality of patients is improved. The main trachea and the bronchus support are cylindrical, and the unique weaving mode enables the support to have good supporting and shaping effects on the lumen of a trachea; the design of the full-covering film helps the healing of the fistula, and meanwhile, the air passage can keep smooth for a long time; selecting multiple specifications of trachea, bronchus and the like.
However, the existing respiratory tract bracket is not firmly attached to the tracheal wall when in use, is easy to move, increases the probability of surgical complications, has poor support performance, and is easy to deform in an extrusion state for a long time, so that the bracket cannot play a due effect.
Disclosure of Invention
The invention aims to provide an anti-displacement respiratory tract bracket to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-displacement respiratory tract support comprises a first port, a support frame and a second port, wherein a support net is fixedly connected between the support frame and the first port as well as between the support frame and the second port, a support base is arranged at the center of the support frame, a second support rod is fixedly connected between the support base and the inner wall of the support frame, a first connecting rod is fixedly connected between the support base and the first port, and a second connecting rod is fixedly connected between the support base and the second port;
the first port with the second port is used for playing the effect of antiskid and support at both ends, the support frame is used for playing expansion and fixed action to pathological change department, the first connecting rod with the second connecting rod is used for right the first port with the second port plays the effect of connecting and supporting, the second bracing piece is used for right the inside support that supports of second connecting rod.
Furthermore, the first connecting rods are four and are uniformly distributed on the side surface of the first port in a surrounding manner, and the second connecting rods are four and are uniformly distributed on the side surface of the second port in a surrounding manner.
Furthermore, the first port and the second port are consistent in structural size, the first port and the second port are symmetrically arranged compared with the support frame, the first port comprises four first connecting pieces, a second connecting piece is fixedly connected between two adjacent first connecting pieces, three anti-slip grooves are uniformly formed in the surface of each first connecting piece, and the four first connecting pieces and the four second connecting piece forming bodies are of annular structures;
the support frame includes first support piece, first support piece is provided with four, four equal fixedly connected with second support piece between two adjacent first support piece, spacing groove, four have been seted up on first support piece surface first support piece and four second support piece group shaping body is the loop configuration.
Furthermore, the first connecting rod comprises a connecting rod body, the connecting rod body is bent in an arc shape, the connecting rod body is bent towards the direction of the supporting base, a connecting port is arranged at the top end of the connecting rod body in a protruding mode, the connecting port is horizontally arranged, the outer side surface of the connecting rod body is inwards sunken to form an airflow groove, and the connecting port is fixedly connected to the center of the side face of the first connecting piece.
Further, the first connecting rod and the second connecting rod are symmetrically arranged compared with the supporting base; the supporting base is of a spherical structure, the number of the second supporting rods is four, and the second supporting rods surround the outer side surface of the supporting base and are fixedly connected to the centers of the inner side surfaces of the four supporting frames respectively.
The outer diameter and the inner diameter of the support frame are consistent with those of the first port and the support frame, and the second connecting sheet and the second supporting sheet are kept on the same horizontal line.
Furthermore, the second bracing piece is cylindrical, the second bracing piece diameter with the head rod horizontal width is unanimous, the second bracing piece set up in the head rod with the end of second connecting rod, the second bracing piece with the head rod with the end of second connecting rod is connected.
Furthermore, the first port, the support frame, the second port, the first connecting rod, the second support rod, the second connecting rod and the support base are all made of nickel-titanium memory alloy materials, and the support net is formed by weaving nickel-titanium memory alloy wires.
Compared with the prior art, the invention has the beneficial effects that:
(1) the device is provided with the first port, the support frame and the second port, so that the structural strength of the device is improved from two ends and the center of the device, meanwhile, the connection strength between the device and the inner wall of the trachea is enhanced by arranging the limiting groove and the anti-skidding groove, and the device is combined more tightly with the device through expansion of the tumor body;
(2) according to the invention, the first connecting rod and the second connecting rod are arranged, so that the first port and the second port can obtain supporting force in the vertical direction, the structural strength is enhanced, and collapse cannot easily occur;
(3) the second support rod is arranged, so that the support frame provides strong support at the center of the focus, the focus is not easy to deform, and the structural strength of the device is improved;
(4) the second connecting sheet and the second supporting sheet can be properly stretched according to the expansion and stretching of the trachea, so that the trachea inner wall of the patient can be matched better, and the discomfort of the patient caused by the overlarge diameter of the device can be avoided;
(5) according to the invention, the support base is arranged in a spherical shape, the first connecting rod, the second supporting rod and the second connecting rod are kept on the same horizontal line, and the airflow groove is formed at the same time, so that the support base is in a spherical structure, and airflow blockage is avoided; the air current of the internal surface of head rod and second connecting rod can pass through smoothly through globular support base, and the air current of the surface of head rod and second connecting rod then can not scatter around through the air current groove, also can the water conservancy diversion smoothly, greatly reduces the influence of head rod, second bracing piece, second connecting rod and support base to the air current, avoids blockking up patient's trachea, improves the velocity of flow of patient's breathing gas, guarantees that the patient breathes smoothly.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of a first port structure in the embodiment of FIG. 1;
FIG. 4 is a schematic view of the supporting frame of the embodiment of FIG. 1;
FIG. 5 is a schematic view of the connection structure of the support base in the embodiment of FIG. 1;
FIG. 6 is a schematic side view of the embodiment of FIG. 1;
fig. 7 is a front view of the internal structure of the embodiment of fig. 1.
Reference numerals: 1. a first port; 101. a first connecting piece; 102. a second connecting sheet; 103. an anti-slip groove; 2. a support frame; 201. a first support sheet; 202. a second support sheet; 203. a limiting groove; 3. a second port; 4. a support net; 5. a first connecting rod; 501. connecting the rod body; 502. a connection port; 503. an air flow groove; 6. a second support bar; 7. a second connecting rod; 8. a base is supported.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an anti-displacement airway stent includes a first port 1, a support frame 2 and a second port 3, the horizontal distance between the support frame 2 and the first port 1 and the second port 3 is equal, a supporting net 4 is fixedly connected between the supporting frame 2 and the first port 1 and the second port 3, the first port 1 and the second port 3 are identical in structure and size, the first port 1 and the second port 3 are symmetrically arranged compared with the support frame 2, a supporting base 8 is arranged at the center of the supporting frame 2, a second supporting rod 6 is fixedly connected between the supporting base 8 and the inner wall of the supporting frame 2, a first connecting rod 5 is fixedly connected between the supporting base 8 and the first port 1, and a second connecting rod 7 is fixedly connected between the supporting base 8 and the second port 3;
the first port 1 comprises four first connecting pieces 101, the number of the first connecting pieces 101 is four, second connecting pieces 102 are fixedly connected between two adjacent first connecting pieces 101, three anti-skid grooves 103 are uniformly formed in the surface of each first connecting piece 101, and the four first connecting pieces 101 and the four second connecting pieces 102 form an annular structure;
the supporting frame 2 comprises four first supporting pieces 201, two adjacent first supporting pieces 201 are fixedly connected with a second supporting piece 202, a limiting groove 203 is formed in the surface of each first supporting piece 201, and the four first supporting pieces 201 and the four second supporting pieces 202 form an annular structure;
The number of the first connecting rods 5 is four, the four first connecting rods 5 are uniformly distributed on the side surface of the first port 1 in a surrounding manner, the number of the second connecting rods 7 is four, and the four second connecting rods 7 are uniformly distributed on the side surface of the second port 3 in a surrounding manner, so that the peripheries of the first port 1 and the second port 3 can be supported, collapse in a single direction is avoided, and the mutual supporting relationship can be maintained; the first connecting rod 5 comprises a connecting rod body 501, the connecting rod body 501 is bent in an arc shape, the connecting rod body 501 is bent towards the direction of the support base 8, a connecting port 502 is protruded at the top end of the connecting rod body 501, the connecting port 502 is horizontally arranged, an airflow groove 503 is formed in the outer side surface of the connecting rod body 501 in an inward concave manner, and the connecting port 502 is fixedly connected to the center of the side surface of the first connecting plate 101; the first connecting rod 5 and the second connecting rod 7 are identical in structure and size, and are symmetrically arranged compared with the supporting base 8, and the connection mode between the second connecting rod 7 and the second port 3 is the same as that between the first port 1 and the first connecting rod 5, so that the supporting base 8 and the two ends of the supporting frame 2 are uniformly stressed, and the deviation is avoided; the supporting base 8 is of a spherical structure, so that airflow blockage is avoided; the air flow on the inner surfaces of the first connecting rod 5 and the second connecting rod 7 can pass through the spherical support base 8 smoothly, and the air flow on the outer surfaces of the first connecting rod 5 and the second connecting rod 7 can be guided smoothly without spreading through the air flow grooves 50.
The number of the second support rods 6 surrounding the outer side surface of the support base 8 is four, and the four second support rods 6 are respectively and fixedly connected to the centers of the inner side surfaces of the four support frames 2, so that the structural strength of the support frames 2 is improved; the outer diameter and the inner diameter of the support frame 2 are consistent with those of the first port 1 and the support frame 2, and the second connecting piece 102 and the second supporting piece 202 are kept on the same horizontal line, so that the influence on the air flow is reduced; the thickness of the second connecting piece 102 is one fourth of that of the first connecting piece 101, the thickness of the second supporting piece 202 is one fourth of that of the first supporting piece 201, and the thicknesses of the first connecting piece 101 and the first supporting piece 201 are consistent, so that the elastic deformation capacity of the device is improved, and the device is more matched with the inner wall of the trachea of a patient; the second support rod 6 is cylindrical, the diameter of the second support rod 6 is consistent with the horizontal width of the first connecting rod 5, the second support rod 6 is arranged at the tail ends of the first connecting rod 5 and the second connecting rod 7, and the second support rod 6 is connected with the tail ends of the first connecting rod 5 and the second connecting rod 7, so that the first connecting rod 5, the second support rod 6 and the second connecting rod 7 are kept on the same horizontal line, and the influence on airflow is reduced; fillets are formed at the splicing edges of the second connecting piece 102 and the first connecting piece 101, fillets are formed at the splicing edges of the first supporting piece 201 and the second supporting piece 202, fillets are formed at the splicing edges of the first connecting piece 101, the second connecting piece 102, the first supporting piece 201 and the second supporting piece 202, and the fillets are formed at the side edges of the first connecting piece 101, the second connecting piece 102, the first supporting piece 201 and the second supporting piece 202, so that the trachea of a patient is prevented from being scratched; the first port 1, the support frame 2, the second port 3, the first connecting rod 5, the second support rod 6, the second connecting rod 7 and the support base 8 are all made of nickel-titanium memory alloy materials, and the support net 4 is formed by weaving nickel-titanium memory alloy wires.
In summary, when the displacement-preventing respiratory tract stent provided by the invention is used, firstly, the device is placed at the focus of a patient through an operation, meanwhile, the support frame 2 is placed at the center of the position of the patient which is most required to be expanded, so that the tumor body of the patient can be attached to the surface of the limiting groove 203 after being expanded, the device is clamped and connected more tightly, the device is fixed more firmly and cannot move easily, meanwhile, the first port 1 and the second port 3 have larger friction force with the interior of the trachea and cannot slide easily due to the arrangement of the anti-sliding groove 103, meanwhile, the second connecting piece 102 and the second support piece 202 can be properly stretched according to the expansion and stretching of the trachea, so that the device can be matched with the inner wall of the trachea of the patient, the discomfort of the patient caused by the overlarge diameter of the device can be avoided, and the center position of the focus of the support frame 2, make it can not take place deformation easily, improve the device's structural strength, it is the arc form to connect between first port 1 and support frame 2 to be through being provided with head rod 5 simultaneously, make first port 1 and second port 3 can obtain the holding power of vertical direction, make its structural strength reinforcing, can not take place to sink easily, simultaneously through setting up supporting pedestal 8 into the globoid, and seted up air current groove 503, and head rod 5, second bracing piece 6 and second bracing piece 7 keep on same water flat line, greatly reduce head rod 5, second bracing piece 6, the influence of second bracing piece 7 and supporting pedestal 8 to the air current, avoid blocking patient's trachea, improve the velocity of flow of patient's breathing gas, guarantee to breathe unblocked.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an prevent displacement respiratory track support, includes first port (1), support frame (2) and second port (3), its characterized in that:
a supporting net (4) is fixedly connected between the supporting frame (2) and the first port (1) and the second port (3), a supporting base (8) is arranged at the center of the supporting frame (2), a second supporting rod (6) is fixedly connected between the supporting base (8) and the inner wall of the supporting frame (2), a first connecting rod (5) is fixedly connected between the supporting base (8) and the first port (1), and a second connecting rod (7) is fixedly connected between the supporting base (8) and the second port (3);
the utility model discloses a pathological change department, including first port (1) and second port (3), support frame (2) are used for playing the effect of antiskid and support at both ends, support frame (2) are used for playing expansion and fixed action to pathological change department, first connecting rod (5) with second connecting rod (7) are used for right first port (1) with second port (3) play the effect of connecting and supporting, second bracing piece (6) are used for right the inside support that supports of second connecting rod (7).
2. The anti-displacement respiratory tract support according to claim 1, wherein the number of the first connecting rods (5) is four, four first connecting rods (5) are uniformly distributed around the side of the first port (1), the number of the second connecting rods (7) is four, and four second connecting rods (7) are uniformly distributed around the side of the second port (3).
3. The displacement-preventing respiratory tract stent of claim 2, wherein the first port (1) and the second port (3) are identical in structural size, the first port (1) and the second port (3) are symmetrically arranged compared with the support frame (2), the first port (1) comprises four first connecting pieces (101), a second connecting piece (102) is fixedly connected between two adjacent first connecting pieces (101), three anti-slip grooves (103) are uniformly formed in the surface of each first connecting piece (101), and the four first connecting pieces (101) and the four second connecting pieces (102) form a ring-shaped structure;
support frame (2) are including first backing sheet (201), first backing sheet (201) are provided with four, four equal fixedly connected with second backing sheet (202) between two adjacent first backing sheet (201), spacing groove (203), four have been seted up on first backing sheet (201) surface first backing sheet (201) and four the physique is constituteed to second backing sheet (202) and is the loop configuration.
4. The anti-displacement airway stent of claim 1, wherein the first connecting rod (5) comprises a connecting rod body (501), the connecting rod body (501) is bent in an arc shape, the connecting rod body (501) is bent towards the support base (8), a connecting port (502) protrudes from the top end of the connecting rod body (501), the connecting port (502) is horizontally arranged, an air flow groove (503) is formed by inward recessing of the outer side surface of the connecting rod body (501), and the connecting port (502) is fixedly connected to the side center of the first connecting plate (101).
5. An anti-displacement airway stent as claimed in claim 4 wherein the first connecting rod (5) and the second connecting rod (7) are symmetrically arranged with respect to the support base (8); the supporting base (8) is of a spherical structure, the number of the second supporting rods (6) is four, and the second supporting rods (6) surround the outer side surface of the supporting base (8) and are fixedly connected to the centers of the inner side surfaces of the supporting frames (2) respectively.
6. An anti-displacement airway stent as claimed in claim 3 wherein the outer and inner diameters of the strut (2) are the same as the outer and inner diameters of the first port (1) and the strut (2), and the second connecting piece (102) and the second support piece (202) are maintained on the same horizontal line.
7. An anti-displacement airway stent as claimed in claim 5 wherein the second support rod (6) is cylindrical, the diameter of the second support rod (6) is the same as the horizontal width of the first connecting rod (5), the second support rod (6) is disposed at the ends of the first connecting rod (5) and the second connecting rod (7), and the second support rod (6) is connected with the ends of the first connecting rod (5) and the second connecting rod (7).
8. The displacement-prevention respiratory tract stent of claim 1, wherein the first port (1), the support frame (2), the second port (3), the first connecting rod (5), the second support rod (6), the second connecting rod (7) and the support base (8) are all made of a nickel-titanium memory alloy material, and the support net (4) is woven by nickel-titanium memory alloy wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219971.7A CN112402078B (en) | 2020-11-05 | 2020-11-05 | Displacement-preventing respiratory tract support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219971.7A CN112402078B (en) | 2020-11-05 | 2020-11-05 | Displacement-preventing respiratory tract support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112402078A true CN112402078A (en) | 2021-02-26 |
| CN112402078B CN112402078B (en) | 2021-08-17 |
Family
ID=74828766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011219971.7A Active CN112402078B (en) | 2020-11-05 | 2020-11-05 | Displacement-preventing respiratory tract support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112402078B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262089A (en) * | 2021-06-08 | 2021-08-17 | 中南大学湘雅医院 | Tracheal stent |
| CN115227445A (en) * | 2022-06-28 | 2022-10-25 | 柏为（武汉）医疗科技股份有限公司 | Eustachian tube support and assembly thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08206227A (en) * | 1994-12-08 | 1996-08-13 | Fuji Syst Kk | Stent for in-vivo indwelling |
| CN104382671A (en) * | 2014-09-11 | 2015-03-04 | 南京微创医学科技有限公司 | Degradable human body stent capable of effectively preventing transposition and reducing hyperplasia and manufacturing method |
| CN105853022A (en) * | 2016-06-01 | 2016-08-17 | 上海交通大学医学院附属上海儿童医学中心 | Tracheal stent, tissue engineering trachea adopting tracheal stent and application of tracheal stent and tissue engineering trachea |
| CN205515040U (en) * | 2016-01-14 | 2016-08-31 | 高道键 | Prevent shifting biliary tract fully coated from expanding formula metal support |
| CN106176001A (en) * | 2016-06-29 | 2016-12-07 | 赵欣怡 | A kind of anti-displacement esophageal stents appear |
| CN107913122A (en) * | 2017-12-28 | 2018-04-17 | 宁波高新区方元三维科技有限公司 | A kind of 3D printing trachea bracket |
| CN109963526A (en) * | 2016-09-26 | 2019-07-02 | 多亚医疗有限公司 | Bracket and stenter to implant method |
| CN211049733U (en) * | 2019-08-20 | 2020-07-21 | 常州市智业医疗仪器研究所有限公司 | Anti-displacement respiratory tract support |
| CN111787871A (en) * | 2018-03-29 | 2020-10-16 | 波士顿科学国际有限公司 | Flow control valve |
-
2020
- 2020-11-05 CN CN202011219971.7A patent/CN112402078B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08206227A (en) * | 1994-12-08 | 1996-08-13 | Fuji Syst Kk | Stent for in-vivo indwelling |
| CN104382671A (en) * | 2014-09-11 | 2015-03-04 | 南京微创医学科技有限公司 | Degradable human body stent capable of effectively preventing transposition and reducing hyperplasia and manufacturing method |
| CN205515040U (en) * | 2016-01-14 | 2016-08-31 | 高道键 | Prevent shifting biliary tract fully coated from expanding formula metal support |
| CN105853022A (en) * | 2016-06-01 | 2016-08-17 | 上海交通大学医学院附属上海儿童医学中心 | Tracheal stent, tissue engineering trachea adopting tracheal stent and application of tracheal stent and tissue engineering trachea |
| CN106176001A (en) * | 2016-06-29 | 2016-12-07 | 赵欣怡 | A kind of anti-displacement esophageal stents appear |
| CN109963526A (en) * | 2016-09-26 | 2019-07-02 | 多亚医疗有限公司 | Bracket and stenter to implant method |
| CN107913122A (en) * | 2017-12-28 | 2018-04-17 | 宁波高新区方元三维科技有限公司 | A kind of 3D printing trachea bracket |
| CN111787871A (en) * | 2018-03-29 | 2020-10-16 | 波士顿科学国际有限公司 | Flow control valve |
| CN211049733U (en) * | 2019-08-20 | 2020-07-21 | 常州市智业医疗仪器研究所有限公司 | Anti-displacement respiratory tract support |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262089A (en) * | 2021-06-08 | 2021-08-17 | 中南大学湘雅医院 | Tracheal stent |
| CN113262089B (en) * | 2021-06-08 | 2022-10-04 | 中南大学湘雅医院 | Tracheal stent |
| CN115227445A (en) * | 2022-06-28 | 2022-10-25 | 柏为（武汉）医疗科技股份有限公司 | Eustachian tube support and assembly thereof |
| CN115227445B (en) * | 2022-06-28 | 2023-09-19 | 柏为（武汉）医疗科技股份有限公司 | Eustachian tube bracket and assembly thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112402078B (en) | 2021-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112402078B (en) | Displacement-preventing respiratory tract support | |
| Eng et al. | Airway complications in relapsing polychondritis | |
| US10492932B2 (en) | Device for splinting a cavity, organ duct and/or vessel | |
| Roca et al. | Fatal airway disease in an adult with chronic graft-versus-host disease. | |
| Epstein | Late complications of tracheostomy | |
| Desir et al. | Congenital abnormalities of intrathoracic airways | |
| WO2015055052A1 (en) | Safety improved pulmonary artery stent and pulmonary artery valve replacement apparatus | |
| Dunne et al. | Use of metallic stents in relapsing polychondritis | |
| WO2019096158A1 (en) | Endovascular stent | |
| CN202010169U (en) | Novel memory elastic coil for reducing lung volumes | |
| CN104768503B (en) | Nasal dilator | |
| CN209790104U (en) | novel medicine-carrying airway stent | |
| CN2180285Y (en) | Shape memory alloy human body canal dilatation support frame | |
| CN211049733U (en) | Anti-displacement respiratory tract support | |
| Hsieh et al. | Long-term management and outcomes of tracheobronchial stent by flexible bronchoscopy in infants< 5 kg: A 13-year single-center experience | |
| Munro et al. | Severe stenosis of a long tracheal segment, with agenesis of the right lung and left pulmonary arterial sling | |
| CN202458791U (en) | Recyclable blood vessel contracting rack with narrow intervention | |
| CN219207500U (en) | Three-dimensional trachea support of laminating | |
| CN216318201U (en) | Tectorial membrane stainless steel respiratory support | |
| CN219070820U (en) | Novel air flue spliced silicone bracket | |
| CN113331989A (en) | Tracheal stent | |
| CN208876914U (en) | Silicone airway stent | |
| CN2749468Y (en) | One way valve arrangement inside trachea | |
| CN215608527U (en) | Improved double-cavity trachea cannula for thoracic operation | |
| CN220309540U (en) | Full-age-segment airway softening external fixing support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |