CN216318201U - Tectorial membrane stainless steel respiratory support - Google Patents

Abstract

The utility model provides a film-coated stainless steel respiratory system bracket which comprises a lower connecting section, a first supporting net, a transition connecting section, a second supporting net and an upper connecting section, wherein the second supporting net is arranged between the lower end surface of the upper connecting section and the upper end of the transition connecting section; compared with the prior art, the utility model has the following beneficial effects: longitudinal support force between linkage segment, transitional coupling section and the last linkage segment under can effectual the enhancement for the structural strength reinforcing of this support can not take place to sink easily, and can prevent that amazing trachea wall from producing granulation tissue, prevents that mucous membrane tissue from to the inside growth of support, can not cause the inside stenosis of pipe support, has solved the problem that traditional metal support can't take out after putting into for a long time.

Description

Tectorial membrane stainless steel respiratory support

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a film-coated stainless steel respiratory system stent.

Background

The support performance of the existing respiratory tract stent is poor, the stent is easy to deform in an extrusion state for a long time, so that the stent cannot play a due effect, and the stent-graft is in the respiratory tract for a long time, and the stent-graft is difficult to take out due to the fact that meat tissues crawl into the gaps of the framework of the stent, so that the problem is solved by the stent-graft stainless steel respiratory system which is urgently needed at present.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a coated stainless steel respiratory system stent, which solves the problems in the background technology.

The utility model is realized by the following technical scheme: the utility model provides a tectorial membrane stainless steel respiratory system support, includes linkage segment, supporting network one, transitional coupling section, supporting network two and goes up the linkage segment down, it is provided with four equidistant distribution's arc fagging two, four to go up between linkage segment lower extreme surface and the transitional coupling section upper end surface be connected with supporting ring two between the two inboards of arc fagging, go up the supporting network two that sets up between linkage segment lower extreme surface and the transitional coupling section upper end, be provided with four equidistant distribution's arc fagging one, four down between linkage segment upper end surface and the transitional coupling section lower extreme surface be connected with supporting ring one between the arc fagging is inboard, the supporting network one that sets up down between linkage segment upper end surface and the transitional coupling section lower extreme, supporting network one comprises skeleton, silicone resin rete, PGA rete and PLA rete.

As a preferred embodiment, the second support net and the support net have a structure completely consistent, the second support net is composed of a framework, a silicone film layer, a PGA film layer and a PLA film layer, the framework is formed by weaving a net structure with nitinol wires, one silicone film layer is arranged on the outer ring surface of the framework, a PLA film layer is arranged on the outer layer surface of the silicone film layer, and the PGA film layer is arranged on the outer layer surface of the PLA film layer.

In a preferred embodiment, the lower connecting section corresponds to the structure of the transition connecting section, and the lower connecting section corresponds to the structure of the upper connecting section.

As a preferred embodiment, the middle part of the outer ring surface of the lower connecting section is designed to be expanded, the middle part of the outer ring surface of the transition connecting section is designed to be expanded, the middle part of the outer ring surface of the upper connecting section is designed to be expanded, and the outer diameters of the middle parts of the outer ring surfaces of the lower connecting section, the transition connecting section and the upper connecting section are larger than the outer diameters of the upper ends and the lower ends of the lower connecting section, the transition connecting section and the upper connecting section.

As a preferred implementation manner, the second support ring structure is identical to the first support ring structure, four connection arc grooves arranged at equal intervals are formed in the surface of the outer ring of the first support ring, four connection arc grooves arranged at equal intervals are formed in the surface of the outer ring of the second support ring, the middle parts of the first arc support plates correspond to the four connection arc grooves on the first support ring, and the middle parts of the second arc support plates correspond to the four connection arc grooves on the second support ring.

As a preferred embodiment, a support frame is fixed on the surface of the inner ring of the first support ring, and a support frame is fixed on the surface of the inner ring of the second support ring, wherein the support frame is in a cross structure.

After the technical scheme is adopted, the utility model has the beneficial effects that: through the lower linkage segment that sets up, changeover portion and last linkage segment, linkage segment under can effectual enhancement, longitudinal support power between changeover portion and the last linkage segment, make the structural strength reinforcing of this support, can not take place to sink easily, and can prevent that amazing trachea wall from producing granulation tissue, the supporting network one of setting, supporting network two, can prevent that the tissue from crawling and getting into the skeleton gap, prevent that the mucous membrane tissue from growing to support inside, can not cause the inside stenosis of pipe support, the problem that can't take out after traditional metal support puts into for a long time has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a coated stainless steel respiratory system stent of the present invention.

FIG. 2 is a schematic connection diagram of a lower connection section, a transition connection section and an upper connection section of a stent of a coated stainless steel respiratory system according to the present invention.

FIG. 3 is a cross-sectional view of a first support net of a covered stainless steel respiratory system stent according to the present invention.

FIG. 4 is a schematic view of a first support ring of a coated stainless steel respiratory system stent according to the present invention.

In the figure, 1-lower connecting section, 2-first supporting net, 3-transition connecting section, 4-second supporting net, 5-upper connecting section, 6-first arc supporting plate, 7-second arc supporting plate, 8-first supporting ring, 9-second supporting ring, 21-framework, 22-silicon resin film layer, 23-PGA film layer, 24-PLA film layer, 81-connecting arc groove and 82-supporting frame.

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 to 4, the present invention provides a technical solution: a film-coated stainless steel respiratory system bracket, which comprises a lower connecting section 1, a supporting net I2 and a transition connecting section 3, two 4 and the last linkage segment 5 of support network, it is provided with two 7 of four equidistant arc faggings that distribute to go up between 5 lower terminal surface of linkage segment and the 3 upper end surfaces of transitional coupling segment, be connected with two 9 of support ring between two 7 inboards of four arc faggings, the support network that sets up between 5 lower terminal surface of last linkage segment and the 3 upper ends of transitional coupling segment is two 4, be provided with one 6 of four equidistant arc faggings that distribute between 1 upper end surface of lower linkage segment and the 3 lower terminal surface of transitional coupling segment, be connected with one 8 of support ring between 6 inboards of four arc faggings, the support network that sets up between 1 upper end surface of lower linkage segment and the 3 lower extremes of transitional coupling segment is one 2, support network one 2 comprises skeleton 21, silicone resin rete 22, PGA rete 23 and PLA rete 24.

Two 4 and the 2 structures of support network are identical completely, skeleton 21, silicone resin rete 22, PGA rete 23 and PLA rete 24 constitute two 4 of support network, the network structure is woven to nickel titanium memory alloy silk forms skeleton 21, one deck silicone resin rete 22 sets up on skeleton 21 outer lane surface, the outer surface of silicone resin rete 22 is provided with one deck PLA rete 24, PGA rete 23 sets up on the outer surface of PLA rete 24, can prevent that the tissue from crawling and getting into skeleton 21 gap, prevent that the mucous membrane tissue from growing to the support tube intracavity, can not cause the intraluminal stenosis.

The structure of the lower connecting section 1 is consistent with that of the transition connecting section 3, and the structure of the lower connecting section 1 is consistent with that of the upper connecting section 5, so that the connection is convenient.

The equal expansion design in outer lane surface middle part of linkage segment 1 down, the equal expansion design in outer lane surface middle part of changeover portion 3, the equal expansion design in outer lane surface middle part of going up linkage segment 5, linkage segment 1 down, the external diameter of the outer lane surface middle part of changeover portion 3 and last linkage segment 5 is greater than linkage segment 1 down, the upper end and the external diameter of lower extreme of changeover portion 3 and last linkage segment 5, through linkage segment 1 under with, the expansion design in transition linkage segment 3 and 1 outer lane of lower linkage segment, can prevent that the stimulation trachea wall from producing granulation tissue.

The structure of the second support ring 9 is consistent with the structure of the first support ring 8, the connection arc grooves 81 that four equidistant settings are set up on the surface of the first 8 outer rings of support rings, the connection arc grooves 81 that four equidistant settings are set up on the surface of the second 9 outer rings of support rings, the middle part of the first 6 arc faggings corresponds with four connection arc grooves 81 on the first 8 support rings respectively, the middle part of the second 7 arc faggings corresponds with four connection arc grooves 81 on the second 9 support rings respectively, be convenient for with the first 8 support rings, the second 9 support rings are 6 with the first arc faggings, the second 7 arc faggings are connected, and the dislocation can not take place.

The supporting frame 82 is fixed on the surface of the inner ring of the first supporting ring 8, the supporting frame 82 is fixed on the surface of the inner ring of the second supporting ring 9, the supporting frame 82 is of a cross structure, the strength of the first arc supporting plate 6 and the strength of the second arc supporting plate 7 can be improved, the structural strength of the first arc supporting plate and the second arc supporting plate are enhanced, and collapse cannot occur easily.

As an embodiment of the present invention: the arc-shaped supporting plates and the arc-shaped supporting plates 7 are arranged among the lower connecting section 1, the transition connecting section 3 and the upper connecting section 5, so that the longitudinal supporting force among the lower connecting section 1, the transition connecting section 3 and the upper connecting section 5 can be effectively enhanced, the structural strength of the bracket is enhanced, the bracket cannot easily collapse, and with support ring one 8, support ring two 9 sets up respectively in arc fagging one 6, arc fagging is two 7 on, can further strengthen the arc fagging and, the horizontal holding power of arc fagging two 7, the structural strength reinforcing has been improved, will be down linkage segment 1, 5 outer lane inflation designs of transition linkage segment 3 and last linkage segment, can prevent that the amazing trachea wall from producing granulation tissue, prevent that the tissue from crawling and getting into 11 gaps of skeleton, prevent that the mucous membrane tissue from growing to support inside, can not cause the inside stenosis of pipe support, the problem that can't take out after traditional metal support is put into for a long time has been solved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A coated stainless steel respiratory system stent comprising: comprises a lower connecting section (1), a first supporting net (2), a transition connecting section (3), a second supporting net (4) and an upper connecting section (5), and is characterized in that four arc supporting plates (7) which are distributed at equal intervals are arranged between the lower end surface of the upper connecting section (5) and the upper end surface of the transition connecting section (3), a second supporting ring (9) is connected between the inner sides of the four arc supporting plates (7), the second supporting net (4) is arranged between the lower end surface of the upper connecting section (5) and the upper end of the transition connecting section (3), the first four arc supporting plates (6) which are distributed at equal intervals are arranged between the upper end surface of the lower connecting section (1) and the lower end surface of the transition connecting section (3), a first supporting ring (8) is connected between the inner sides of the first arc supporting plates (6), and the first supporting net (2) is arranged between the upper end surface of the lower connecting section (1) and the lower end of the transition connecting section (3), the first support net (2) is composed of a framework (21), a silicone film layer (22), a PGA film layer (23) and a PLA film layer (24).

2. The coated stainless steel respiratory system stent of claim 1, wherein: support net two (4) and support net (2) structure are identical completely, support net two (4) comprise skeleton (21), silicone rete (22), PGA rete (23) and PLA rete (24), skeleton (21) are woven network structure by nickel titanium memory alloy silk and form, skeleton (21) outer lane surface is provided with a layer of silicone rete (22), PLA rete (24) set up on silicone rete (22) outer layer surface, PLA rete (24) outer layer surface is provided with one deck PGA rete (23).

3. The coated stainless steel respiratory system stent of claim 1, wherein: the lower connecting section (1), the transition connecting section (3) and the upper connecting section (5) are consistent in structure.

4. The coated stainless steel respiratory system stent of claim 1, wherein: the outer ring surface middle parts of the lower connecting section (1), the transition connecting section (3) and the upper connecting section (5) are all designed in an expansion mode, and the outer diameter diameters of the upper end and the lower end of the lower connecting section (1), the transition connecting section (3) and the upper connecting section (5) are smaller than the outer diameter of the outer ring surface middle part.

5. The coated stainless steel respiratory system stent of claim 1, wherein: the structure of the first support ring (8) is consistent with that of the second support ring (9), four connection arc grooves (81) which are arranged at equal intervals are formed in the outer ring surfaces of the first support ring (8) and the second support ring (9), the middle parts of the first arc supporting plates (6) correspond to the four connection arc grooves (81) in the first support ring (8) respectively, and the middle parts of the second arc supporting plates (7) correspond to the four connection arc grooves (81) in the second support ring (9) respectively.

6. The coated stainless steel respiratory system stent of claim 1, wherein: and a support frame (82) is fixed on the inner ring surfaces of the first support ring (8) and the second support ring (9), and the support frame (82) is of a cross structure.

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