CN203524814U - Alimentary canal stent with soft and hard segment structure - Google Patents
Alimentary canal stent with soft and hard segment structure Download PDFInfo
- Publication number
- CN203524814U CN203524814U CN201320450234.7U CN201320450234U CN203524814U CN 203524814 U CN203524814 U CN 203524814U CN 201320450234 U CN201320450234 U CN 201320450234U CN 203524814 U CN203524814 U CN 203524814U
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- soft
- stent
- guipure
- alimentary canal
- hard segment
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Abstract
The utility model provides an alimentary canal stent with a soft and hard segment structure. The alimentary canal stent comprises a tube shaped stent body and two terminals, wherein the wall of the stent body and wall of the two terminals are net-shaped, the two ends of the stent body are respectively connected with one terminal, the stent body comprises a plurality of soft supporting units and hard supporting units in alternative connection, the terminals comprise soft supporting units and hard supporting units, and the outermost end of the terminal is a soft supporting unit. The soft supporting unit can reduce the supporting force of the end portion, and the hard supporting units correspond to narrow or obstructed pathologic position for dilated treatment. The alimentary canal stent has great supporting force and excellent supporting effect and can be reduced and narrowed. The alternative connected structure of the soft and hard sections improves the smoothness of the stent, and adapts to the bending and vermiculation of the alimentary canal. The alimentary canal stent minimizes adverse effects of displacement and stimulation, facilitates recovery of the alimentary canal stent, and has excellent clinic effects.
Description
Technical field
This utility model relates to a kind of medical stand, definite says a kind of alimentary stent soft, hard segment structure that has.
Background technology
Present gastral support is mainly latticed support, but identical radial support power is not suitable for sometimes to different patients, thereby generation clinical problem: for example the support force of two of support ends is greater than support other parts, end can be stressed larger to the digestive tract supporting, end edge produces strong friction and stimulation to digestive tract, therefore bracket edge causes digestive tract redness, inflammation, pain, even perforation, and end portion supports power is more also difficult for reclaiming taking out; Bracket leg support force can cause not again support displacement even drop gastric, restenosis, be difficult for reclaiming, when even serious, cause second operation etc.
Utility model content
The purpose of this utility model is to provide a kind of alimentary stent soft, hard segment structure that has, and can address the above problem.
This utility model for achieving the above object, be achieved through the following technical solutions: a kind of have an alimentary stent soft, hard segment structure, the rack body and two terminations that comprise tubulose, the wall of the wall of rack body and two terminations is guipure, the two ends of rack body connect respectively a termination, rack body is alternately connected with rigid support unit by several soft supportings unit, and termination is comprised of soft supporting unit and rigid support unit, and the outermost end of termination is soft supporting unit.
In order further to realize the purpose of this utility model, can also be by the following technical solutions: described guipure is rhombus guipure, ball-type guipure or singly revolves guipure.The diameter of the silk of the guipure of described soft supporting unit is d
1, d
1=0.05-0.2mm; The diameter of the silk of the guipure of rigid support unit is d
2, d
2=0.1-0.3mm.Described termination is cup-shaped, spherical or bell mouth shape.Described soft supporting unit and the junction of rigid support unit arrange bunching ring.The periphery of the silk of described guipure is smeared medicine layer.
The utility model has the advantage of: this utility model soft supporting unit can reduce the support force of end, rigid support unit correspondence needs the narrow of dilation therapy or blocks the position of pathological changes, therefore have larger support force, support effect is good, can reduce restenosis simultaneously.Soft, hard section replaces the compliance that the structure connecting can improve support in addition, better adapts to gastral bending and wriggling, reduces the untoward reaction such as displacement, stimulation, and is conducive to the recovery of alimentary stent, and clinical effectiveness is good; Rhombus guipure mesh is even, wire side is smooth, braiding is succinct, and Wugou thorn is non-stimulated to digestive tract sidewall; The port of various ways is applicable to different patients, reduces patient's misery as far as possible; Bunching ring can avoid the junction of soft supporting unit and rigid support unit destroyed in use procedure, increases stability of the present utility model, can also avoid junction injury digestive tract; Medicine direct effect and affected part in medicine layer, have targeting, accelerates patient's rehabilitation speed.The advantages such as this utility model also has that novelty simple in structure, success rate of operation are high, painful little, the good effect of patient.
Accompanying drawing explanation
Fig. 1 is one of this utility model structural representation; Fig. 2 is two of this utility model structural representation; Fig. 3 is three of this utility model structural representation; Fig. 4 is the local structure for amplifying schematic diagram of the I of Fig. 1; Fig. 5 is the local structure for amplifying schematic diagram of the II of Fig. 1; Fig. 6 is the sectional structure structure for amplifying schematic diagram along Fig. 4 A-A line.
Reference numeral: 1 rack body 2 termination 3 rigid support unit 5 bunching ring 6 medicine layers in soft supporting unit 4.
The specific embodiment
A kind of have an alimentary stent soft, hard segment structure, as shown in Figure 1, the rack body 1 and two terminations 2 that comprise tubulose, the wall of the wall of rack body 1 and two terminations 2 is guipure, adopt memory alloy wire braiding to form, the two ends of rack body 1 connect respectively a termination 2, and rack body 1 is alternately connected with rigid support unit 4 by several soft supportings unit 3, termination 2 is comprised of soft supporting unit 3 and rigid support unit 4, and the outermost end of termination 2 is soft supporting unit 3.This utility model soft supporting unit 3 can reduce the support force of end, and rigid support unit 4 correspondences need the narrow of dilation therapy or block the position of pathological changes, therefore has larger support force, and support effect is good, can reduce restenosis simultaneously.Soft, hard section replaces the compliance that the structure connecting can improve support in addition, better adapts to gastral bending and wriggling, reduces the untoward reaction such as displacement, stimulation, and is conducive to the recovery of alimentary stent, and clinical effectiveness is good.
Described guipure is rhombus guipure, ball-type guipure or singly revolves guipure, preferred rhombus guipure, and rhombus guipure mesh is even, wire side is smooth, braiding is succinct, and Wugou thorn is non-stimulated to digestive tract sidewall.
As shown in Figure 4 and Figure 5, the diameter of the silk of the guipure of described soft supporting unit 3 is d
1, d
1=0.05-0.2mm; The diameter of the silk of the guipure of rigid support unit 4 is d
2, d
2=0.1-0.3mm.The diameter of the silk of the guipure of soft supporting unit 3 and rigid support unit 4 is different, and hardness is also different, through clinical trial, is applicable to Most patients within the scope of this.
Described termination 2 is different shape, as shown in Figure 1, is cup-shaped, is applicable to esophagus; As shown in Figure 2, for spherical, be applicable to intestinal; As shown in Figure 3, be bell mouth shape, be applicable to the patient that digestive tract is roomy.
Described soft supporting unit 3 and the junction of rigid support unit 4 arrange bunching ring 5, bunching ring 5 can avoid the junction of soft supporting unit 3 and rigid support unit 4 destroyed in use procedure, increase stability of the present utility model, can also avoid junction injury digestive tract.
As shown in Figure 4 and Figure 6, the periphery of the silk of described guipure is smeared medicine layer 6, and medicine direct effect and affected part in medicine layer 6, have targeting, accelerates patient's rehabilitation speed.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.This utility model not technology contents of detailed description is known technology.
Claims (6)
1. one kind has alimentary stent soft, hard segment structure, it is characterized in that: the rack body (1) and two terminations (2) that comprise tubulose, the wall of the wall of rack body (1) and two terminations (2) is guipure, the two ends of rack body (1) connect respectively a termination (2), rack body (1) is alternately connected with rigid support unit (4) by several soft supportings unit (3), termination (2) is comprised of soft supporting unit (3) and rigid support unit (4), and the outermost end of termination (2) is soft supporting unit (3).
2. a kind of alimentary stent soft, hard segment structure that has according to claim 1, is characterized in that: described guipure is rhombus guipure, ball-type guipure or singly revolves guipure.
3. a kind of alimentary stent soft, hard segment structure that has according to claim 1, is characterized in that: the diameter of the silk of the guipure of described soft supporting unit (3) is d
1, d
1=0.05-0.2mm; The diameter of the silk of the guipure of rigid support unit (4) is d
2, d
2=0.1-0.3mm.
4. a kind of alimentary stent soft, hard segment structure that has according to claim 1, is characterized in that: described termination (2) are cup-shaped, spherical or bell mouth shape.
5. a kind of alimentary stent soft, hard segment structure that has according to claim 1, is characterized in that: described soft supporting unit (3) and the junction of rigid support unit (4) arrange bunching ring (5).
6. a kind of alimentary stent soft, hard segment structure that has according to claim 1, is characterized in that: the periphery of the silk of described guipure is smeared medicine layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450234.7U CN203524814U (en) | 2013-07-26 | 2013-07-26 | Alimentary canal stent with soft and hard segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450234.7U CN203524814U (en) | 2013-07-26 | 2013-07-26 | Alimentary canal stent with soft and hard segment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203524814U true CN203524814U (en) | 2014-04-09 |
Family
ID=50411083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320450234.7U Expired - Lifetime CN203524814U (en) | 2013-07-26 | 2013-07-26 | Alimentary canal stent with soft and hard segment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203524814U (en) |
-
2013
- 2013-07-26 CN CN201320450234.7U patent/CN203524814U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |