CN207168612U - Treat the degradable tracheae support arm of 3D printing of tracheostenosis - Google Patents
Treat the degradable tracheae support arm of 3D printing of tracheostenosis Download PDFInfo
- Publication number
- CN207168612U CN207168612U CN201621184625.9U CN201621184625U CN207168612U CN 207168612 U CN207168612 U CN 207168612U CN 201621184625 U CN201621184625 U CN 201621184625U CN 207168612 U CN207168612 U CN 207168612U
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- CN
- China
- Prior art keywords
- support arm
- tracheae
- printing
- degradable
- tracheostenosis
- 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.)
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Abstract
The utility model discloses a kind of degradable tracheae support arm of 3D printing for treating tracheostenosis, including：Support arm main body and the horn mouth for being arranged on support arm body end；Described support arm body interior is the passage that is passed through for bronchiostenosis position, the axially disposed breach for having interface channel of support arm main body wall；The circumferentially arranged suture needle hole for having multiple annular projections, passage being provided through between adjacent annular projection in described support arm main body；Tracheae support arm is prepared using degradation material 3D printing.The tracheae support arm can not only expand narrow tracheae, the compressing again of surrounding tissue can also be prevented, and support natural degradation over time, the damage of second operation is avoided, new thinking and effective treatment means are provided for stricture of trachea and bronchus caused by a variety of causes.
Description
【Technical field】
Tracheae support arm is the utility model is related to, outside more particularly to a kind of degradable tracheae of 3D printing for treating tracheostenosis
Support.
【Background technology】
The patient of adult/pediatric stricture of trachea and bronchus caused by a variety of causes, generally use tracheal reconstruction plasty are come
Treatment.Tracheoplasty includes narrow section excision end to end anastomosis and slides anastomosis etc., its postoperative care difficulty and complication hair
Raw probability is very high, including tracheomalacia, previous anastomotic cracking and anastomotic site cicatricial tissue hyper-proliferative are narrow etc. again, because
This, the postoperative effect of this tracheoplasty is unsatisfactory, has document to point out, merges rami tracheales gas in complicated congenital heart disease
Manage in narrow case, compared with solving heart malformations merely, stricture of trachea and bronchus is treated by tracheoplasty simultaneously
Postoperative death rate is up to more than 50%.
In recent years, endotracheal stent starts to turn into a selection for the treatment of stricture of trachea and bronchus.But endotracheal stent
Postoperative to equally exist many problems, the endotracheal stent of mass production can not accurately meet the individuation needs of narrow tracheae；
The narrow tracheal bronchus of child patient can not ensure therapeutic effect well with growth constantly development, existing inner support；
It is postoperative also to face around tracheae in the case that operation releases anomaly sxtructure particularly in the case where merging angiocardiopathy
The compressing of edematous tissue, now the obvious therapeutic effect of inner support is limited.
3D printing (3DP) is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powder
Shape metal or plastics etc. can jointing material, come the technology of constructed object, its spy fully customized by way of successively printing
Property, more and more applies to each medical field in recent years, but due to material character, manufacturing process and clinical technology etc. because
Element, it, which is used, also has many limitations.
【Utility model content】
The utility model aims to provide a kind of degradable tracheae support arm of 3D printing for treating tracheostenosis, and it not only can be with
Prevent the compressing again of surrounding tissue, additionally it is possible to suspend the narrow tracheal wall of softening, and human body cell over time in midair
Support, while support natural degradation can be grown into, avoids the damage of second operation, is tracheal bronchus caused by a variety of causes
Narrow, softening provides new thinking and effective treatment means.
Technical scheme is used by the utility model or utility model:
A kind of degradable tracheae support arm of 3D printing for treating tracheostenosis, including：Support arm main body and it is arranged on outer branch
The horn mouth of frame body end；Described support arm body interior is the passage that is passed through for bronchiostenosis position, support arm
The axially disposed breach for having interface channel of main body wall；It is circumferentially arranged in described support arm main body to have multiple annulars prominent
Rise, the suture needle hole of passage is provided through between adjacent annular projection；Tracheae support arm is beaten using medical degradable material 3D
Print is prepared.
Described multiple annular projection spaced sets.
Described annular projection is crenation structure, and annular projection exterior contour is consistent with the shape of tracheae support arm.
Described suture needle hole is equal along the distance between support arm main body axial arranging multiple row, multiple row suture needle hole.
Medical degradable material is polycyclic caprolactone.
The size of described passage matches with bronchiostenosis position, and the inwall of passage is smooth structure.
The internal diameter of support arm main body is more than the diameter of patients bronchial.
A kind of manufacture method for the degradable tracheae support arm of 3D printing for treating tracheostenosis, including：
CT scan first is carried out to the bronchiostenosis position of patient；
The three-dimensional data at bronchiostenosis position is obtained, and is designed according to three-dimensional data with branch outside bell-mouthed tracheae
Frame；
According to the three-dimensional data of tracheae support arm, tracheae support arm is integrally formed using medical degradable material 3D printing.
According to the needs of patient's physiological function, regulate and control tracheae support arm by adjusting the molecular weight of medical degradable material
Degradation time.
Relative to prior art, the utility model has advantages below：
The support arm body internal passageway of the utility model tracheae support arm is wrapped in bronchiostenosis location external, passes through
The supporting role of bronchiostenosis outside support, internal diameter need to reserve appropriate space according to what patient grew, ensured
The normal physiological function of tracheae.The use of support arm is effectively prevented inner support of the prior art may be to caused by tracheae
Compressing and damage.The design of annular projection, it is while mechanical support is provided for support arm, prevents gas organ to treatment region
Oppressed in domain.Especially coordinate suture needle hole in use, guiding can be provided with operation needle, be easy to operation needle to enter suture needle
Hole, improve operation operability.Innovative use " loudspeaker sample " port design, makes operation medium-height trestle place more convenient peace
Entirely, while the tubaeform port of support can avoid compressing and damage of the rectangular shaped to tracheae, and applicable position is more wide
It is general, the especially position such as tracheae bifurcation and bronchus root.The manufacturing technology that outer trachea bracket is customized by individual, makes
Tracheae support arm and the physiological structure perfect combination of patient, play the work expanded narrow tracheae and prevent surrounding tissue from oppressing
With simultaneously as there is no tracheae endothelial injuries, avoiding the tracheostenosis caused by postoperative tracheae endothelial injuries, natural degradation
Support arm it also avoid necessity of second operation.
Preparation method of the present utility model uses 3D printing integral molding techniques, according to the CT examination three-dimensional reconstruction skill of patient
Art data be model customizationization make, well agree with patient airway, it is therefore prevented that support arm may oppress to caused by tracheae and
Damage.Its internal diameter needs to reserve appropriate space according to what patient grew, ensures the normal physiological function of tracheae.
Set according to material molecule amount, match the physiological status of patient, the support arm of preparation being capable of natural degradation, it is not necessary to
Carry out second operation and be adjusted replacing part or taking-up, mitigate patient burden.
【Brief description of the drawings】
Fig. 1 is the degradable tracheae support arm front view of 3D printing；
Fig. 2 is the degradable tracheae support arm left view of 3D printing；
Fig. 3 is the degradable tracheae support arm rearview of 3D printing；
In figure, 1. support arm main bodys, 2. annular projections, 3. horn mouths, 4. breach, 5. suture needle holes.
【Embodiment】
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, but the utility model is unlimited
In the embodiment.Thoroughly understand in order that the public has to the utility model, in following the utility model preferably applies example in detail
Illustrate concrete details.
As shown in Figures 1 to 3, a kind of degradable tracheae support arm of 3D printing for treating tracheostenosis of the utility model, including：
Support arm main body 1 and the horn mouth 3 for being arranged on the end of support arm main body 1；The described inside of support arm main body 1 is for bronchus
The passage that narrow positions passes through, size and the bronchiostenosis position of described passage match, and the inwall of passage is smooth
Structure.The axially disposed breach 4 for having interface channel of the side wall of support arm main body 1；It is circumferentially arranged in described support arm main body 1
There are multiple annular projections 2, the suture needle hole 5 of passage is provided through between adjacent annular projection 2；Suture needle hole 5 is along support arm master
The distance between the axial arranging multiple row of body 1, multiple row suture needle hole 5 are equal.
Tracheae support arm is prepared using degradation material 3D printing.Multiple spaced sets of annular projection 2.Annular is prominent
It is crenation structure to play 2, and the exterior contour of annular projection 2 is consistent with the shape of tracheae support arm.
Tracheae support arm corresponding length and internal diameter can be set according to the narrow concrete condition of patient airway.For example, propped up outside tracheae
The length of frame takes 2~2.5cm.
During tracheae support arm actual fabrication of the present utility model, the CT examination three-dimensional reconstruction data according to patient is mould
Plate, which customizes, to be made, and is well agreed with patient airway, it is therefore prevented that support arm may oppress and damage to caused by tracheae.Its internal diameter
Need to reserve appropriate space according to what patient grew, ensure the normal physiological function of tracheae.This support arm can be certainly
So degraded, it is not necessary to carry out second operation and be adjusted replacing part or taking-up, mitigate patient burden.
Preferably, for this tracheae support arm using polycaprolactone as printed material, it has good biological degradability, life
Thing compatibility and nontoxicity, it is the 3D printing material for being especially suitable for clinical treatment.According to the needs of patient's physiological function, Ke Yitong
Toning whole molecule amount regulates and controls the degradation time of support arm.
Principle of the present utility model is：Degradable tracheae support arm is printed using 3d to treat infant's arteries of complex congenital heart defect
Merge tracheal bronchus Serious Stenosis, and achieve ideal therapeutic effect.According to tracheae CT (the x-ray computers of patient
Tomoscan image) three-dimensional data, can be to greatest extent using the tracheae support arm that polycyclic caprolactone (PCL) is material 3d printings
The needs for meeting operative treatment.On the one hand tracheae support arm can suspend narrow tracheal bronchus in midair and release narrow, the opposing party
Face can prevent the compressing of postoperative peripheral edema tissue, be advantageous to the postoperative recovery of patient；3d printing techniques can provide customization
The stent size of change is accurately to meet the needs of narrow tracheae；The need that the tracheae support arm that we make grows according to patient
Certain headspace is provided, support arm is avoided and hinders tracheae growth course；By the molecular weight for regulating and controlling support arm material
To regulate and control the Biodegradation Times of support, the natural degradation on the premise of ensureing that narrow tracheae recovers good, hand again is avoided
The needs of art；Designed on the outside of tracheae support arm using " horn mouth " sample, more meet the physiological structure of tracheal bronchus crotch simultaneously
And facilitate in art and place.
More than, preferred embodiment only of the present utility model, it is not limited only to practical range of the present utility model, Fan Yiben
The equivalence changes and modification that the content of utility model patent scope is done, it all should be technology category of the present utility model.
Claims (7)
- A kind of 1. degradable tracheae support arm of 3D printing for treating tracheostenosis, it is characterised in that including：Support arm main body and set Put the horn mouth in outer rack body end；Described support arm body interior is to lead to for what bronchiostenosis position passed through Road, the axially disposed breach for having interface channel of support arm main body wall；In described support arm main body it is circumferentially arranged have it is more Individual annular projection, the suture needle hole of passage is provided through between adjacent annular projection.
- A kind of 2. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that Described multiple annular projection spaced sets.
- A kind of 3. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that Described annular projection is crenation structure, and annular projection exterior contour is consistent with the shape of tracheae support arm.
- A kind of 4. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that Described suture needle hole is equal along the distance between support arm main body axial arranging multiple row, multiple row suture needle hole.
- A kind of 5. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that The material of degradable tracheae support arm is polycyclic caprolactone.
- A kind of 6. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that The size of described passage matches with bronchiostenosis position, and the inwall of passage is smooth structure.
- A kind of 7. degradable tracheae support arm of 3D printing for treating tracheostenosis according to claim 1, it is characterised in that The internal diameter of support arm main body is more than the diameter of patients bronchial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184625.9U CN207168612U (en) | 2016-10-27 | 2016-10-27 | Treat the degradable tracheae support arm of 3D printing of tracheostenosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184625.9U CN207168612U (en) | 2016-10-27 | 2016-10-27 | Treat the degradable tracheae support arm of 3D printing of tracheostenosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207168612U true CN207168612U (en) | 2018-04-03 |
Family
ID=61731889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621184625.9U Expired - Fee Related CN207168612U (en) | 2016-10-27 | 2016-10-27 | Treat the degradable tracheae support arm of 3D printing of tracheostenosis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207168612U (en) |
-
2016
- 2016-10-27 CN CN201621184625.9U patent/CN207168612U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20211027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |