CN105287065A - Prostate stent - Google Patents
Prostate stent Download PDFInfo
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- CN105287065A CN105287065A CN201510653664.2A CN201510653664A CN105287065A CN 105287065 A CN105287065 A CN 105287065A CN 201510653664 A CN201510653664 A CN 201510653664A CN 105287065 A CN105287065 A CN 105287065A
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- prostate
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- arc
- prostate bracket
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Abstract
The invention relates to a prostate stent, which comprises a main body, wherein the cross section of the main body is represented in an arc-shaped form. The prostate stent disclosed by the invention has the beneficial effects that the prostate stent, which is designed as an arc-shaped stent which is formed with an opening on one surface, can take a supporting effect on hypertrophic prostate, and can simultaneously implement pathological change detection and catheter implantation therein, so as to facilitate treatment and detection; and moreover, the arc-shaped prostate stent, due to a special structure and special materials, is quite convenient to be implanted and taken out and is more flexible to use.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of prostate bracket of arc.
Background technology
Benign prostatic hyperplasia (benignprostatichyperplasiaBPH) is elderly men commonly encountered diseases, is a kind of PD.Along with aged tendency of population development, sickness rate rises year by year.Domestic interrelated data statistics, the sickness rate of 50 years old male, more than 50%, can reach 90% to when 80 years old.The sickness rate of BPH increases day by day, has now become the modal disease of Urology Surgery, and because sickness rate is high, serious to Quality of Life, treatment is one of emphasis of clinical research always.Due to the raising of medical level, the patients with benign prostate hyperplasia merging the advanced age of the internal organs underlying diseases such as the heart, brain, lung, kidney also progressively increases, for high-risk benign prostatic hyperplasia patients, because operation risk is large, Urology Surgery doctor can adopt treatment means limited, often adopt expectant treatment method, as long term indwelling catheter or long-term bladder stoma.
The method for the treatment of BPH mainly contains at present: Drug therapy, Suprapubic Prostatectomy, Transurethral prostatic electroresection A, per urethra laser ablation art, high intensity focused ultrasound treating, per urethra prostate sacculus dilation operation, front tear duct dilation art, cystostomy.
More weak for some body constitution, trauma operation has the patient of greater risk, the technology of usual employing prostate expansion, generally adopt columnar support to carry out supporting loose prostate in prior art, but this kind of bracing frame, carry out detection follow-up and need when treating further first bracing frame to be taken out, just can carry out, bring further puzzlement to treatment.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of prostate bracket of arc, by prostate bracket being arranged to the arc support of an opening, while support effect is reached to the prostate of hypertrophy, can carry out the detection of pathological changes and the importing of conduit when not removing out support, make treatment and detect more convenient, and the prostate bracket of this arc is due to the special structure of device and material, import and take out all very convenient, using more flexible.
The technical solution adopted in the present invention is: a kind of prostate bracket, comprises body, and the shape of described body cross-section is arc.
The further optimization of technical solution of the present invention, described body is made up of shape memory metal.
The further optimization of technical solution of the present invention, described body is made up of peek material.
The further optimization of technical solution of the present invention, the cross section of described body is circular arc, and the diameter of described circular arc body is 2.5-6.5mm.
The further optimization of technical solution of the present invention, two bases of the side of described body offer groove respectively, and described groove is in order to prevent the slippage of prostate bracket.
The further optimization of technical solution of the present invention, on each base, the number of described groove is at least two.
The further optimization of technical solution of the present invention, the length of described body is 30-50mm, and the thickness of described body is 0.3-0.8mm.
The further optimization of technical solution of the present invention, the outer surface of described body sidewall is provided with horizontal projection.
The further optimization of technical solution of the present invention, the length of described bodies top arc radius is greater than the length of described body two angle arc radius.
The further optimization of technical solution of the present invention, described bodies top width be 1.8-2.5mm, the length that described body props up angle is 2.8-3.5mm, and the distance of described body two angle free end is 2.5-6.5mm.
Beneficial effect of the present invention is: the support arranging arc, can reach support loose prostatic while, conveniently carry out detecting and import other conduit; Meanwhile, arc prostate bracket utilizes memory metal material to make, and can conveniently import from urethra and take out.
Accompanying drawing explanation
Fig. 1 is the structural representation of prostate bracket of the present invention;
Fig. 2 be prostate bracket of the present invention shrink and using state under structural representation.
In figure: 1, body; 11, body props up angle; 12, bodies top; 2, groove.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, will be described in detail technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
< first embodiment >
As shown in Figure 1, the invention provides a kind of prostate bracket, comprise body, the shape of described body cross-section is arc, loose prostate better can be supported by the support arranging arc, and the prostate bracket of arc supports a part for prostate passage, after bracing frame being imported to prostate passage, can not affect prostatic further test-and-treat, and detected catheter can by the inside not having the side of supporting bracket to import to human body, described body is made up of peek material, human body can be prevented the compressing deformation of support, simultaneously due to the feature of peek material itself, can be corrosion-resistant, the dregs such as incrustation scale can not be left over, conveniently life-time service in human body.
Peek polyether-ether-ketone is a kind of special engineering plastics with high temperature resistant, self-lubricating, the easily excellent properties such as processing and high mechanical properties, 1, corrosion-resistant, aging resistance; 2, antilysis; 3, high-temperature high-frequency high tension performance condition; 4, toughness and rigidity have both; 5, dimensional requirement delicate conditions; 6, wear-resisting, the corrosion-resistant condition of resistance to irradiation; 7, hydrolysis, still can keep excellent specific property under High Temperature High Pressure; 8, light weight substituted metal makes fiber optic component; 9, wear-resistant, antistatic electrical insulation capability is good; 10, requirement of mechanical strength height parts; 11, low flue dust and toxic gas emission.So peek material can be made applicable urethra to make loose prostatic shape, equally, peek material is corrosion-resistant and high pressure resistant, is more applicable to the environment of urethra, can not deformation and being corroded, so more stable.
The cross section of described body is circular arc or arch, the diameter of described circular arc body is 2.5-6.5mm, according to the size of human urethra, the prostate bracket of different-diameter openings of sizes can be made, be made into circular arc, the urethra at prostate place can be supported, and can keep unimpeded, according to the feature of circular arc openings at one side, the importing of detected catheter can be facilitated, and need not prostate bracket be taken out.
The further optimization of technical solution of the present invention, two bases of the side of described body offer groove respectively, described groove is in order to prevent the slippage of prostate bracket, prostate bracket imports to prostatic, then strutted, under the effect of tissue, in groove, groups of people soma can be incorporated, thus support is fixed in prostate, effectively can prevent slippage.
The further optimization of technical solution of the present invention, on each base, the number of described groove is at least two.
The further optimization of technical solution of the present invention, the length of described body is 30-50mm, according to the size of human prostate, use the support matched, better can reach and solve effect targetedly, can avoid because do not mate the discomfort brought to human body simultaneously after importing human body, the thickness of described body is 0.3-0.8mm, this thickness is considered according to the performance synthesis of the diameter of human urethra and timbering material itself, can take into account both, reach the thickness of best effects.
The further optimization of technical solution of the present invention, the outer surface of described body sidewall is provided with horizontal projection, after prostate bracket imports to human body, in order to prevent in the process used, the slippage of support, its outer surface is arranged to convex-concave portion, the degrees of fusion before support and human body can be increased, avoid the drawback repeatedly adjusted in the process for the treatment of.
< second embodiment >
As shown in Figure 2, on the basis of the first embodiment, described body is made up of shape memory metal, in conjunction with human body temperature, memory metal is trained, make the metal rack of predetermined deformation, under the state of low temperature, import human body, carry out reminiscence, reach predetermined support angle, urethra is acted on.The memory metal support of this training, under not using state, the extended distance between two between top is 2.5-3.5mm.Control within the scope of this, can conveniently support be imported in urethra, when after arrival diseased region, discharge, the distance discharged between latter two between top is between 4.5-5.5mm, this openings of sizes, according to the characteristic of tissue, can reach the object of logical urine, and will human body be made because of excessive support not feel well.
The high-temperature-phase of marmem has higher structural symmetry, is generally orderly cubic structure.Below Ms temperature, single-orientated high-temperature phase-transitional becomes to have the martensite variants of different orientation.When making this material deformation to make element below Ms temperature, constantly cut down with the disadvantaged martensite variants of stress direction in material; What be on a good wicket then constantly grows.Finally be transformed into and there is single-orientated orderly martensitic element.As being heated to more than As point once again, this symmetry low, single-orientated martensite take a turn for the worse become time, form again previous single-orientated high-temperature-phase.Reversibility corresponding to this microstructure changes, and has just recovered the macroshape of material when high temperature, Here it is so-called one-way shape memory.Through the memory cell of certain PROCESS FOR TREATMENT, when being cooled to below Ms, shape during low temperature can being returned to, be then called double process shape-memory effect.
The length of described bodies top arc radius is greater than the length of described body two angle arc radius, this prostate bracket designed and produced out is similar to half that is trapezoidal or regular polygon, at the passage of urethra inner support place's certain altitude and width, and then the unobstructed of whole urethra can be made like this.
Described bodies top width be 1.8-2.5mm, the length that described body props up angle is 2.8-3.5mm, and the distance of described body two angle free end is 2.5-6.5mm.Preferred top can be common metal material, and two angles are memory alloy material.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. a prostate bracket, comprises body, it is characterized in that: the shape of described body cross-section is arc.
2. prostate bracket according to claim 1, is characterized in that: described body is made up of shape memory metal.
3. prostate bracket according to claim 1, is characterized in that: described body is made up of peek material.
4. according to the prostate bracket in claim 1-3 described in any, it is characterized in that: the cross section of described body is circular arc, the diameter of described circular arc body is 2.5-6.5mm.
5. prostate bracket according to claim 4, is characterized in that: two bases of the side of described body offer groove respectively, and described groove is in order to prevent the slippage of prostate bracket.
6. prostate bracket according to claim 5, is characterized in that: on each base, the number of described groove is at least two.
7. prostate bracket according to claim 4, is characterized in that: the length of described body is 30-50mm, and the thickness of described body is 0.3-0.8mm.
8. prostate bracket according to claim 4, is characterized in that: the outer surface of described body sidewall is provided with horizontal projection.
9. prostate bracket according to claim 4, is characterized in that: the length of described bodies top arc radius is greater than the length of described body two angle arc radius.
10. prostate bracket according to claim 9, is characterized in that: described bodies top width be 1.8-2.5mm, the length that described body props up angle is 2.8-3.5mm, and the distance of described body two angle free end is 2.5-6.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653664.2A CN105287065A (en) | 2015-10-10 | 2015-10-10 | Prostate stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653664.2A CN105287065A (en) | 2015-10-10 | 2015-10-10 | Prostate stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105287065A true CN105287065A (en) | 2016-02-03 |
Family
ID=55185373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510653664.2A Pending CN105287065A (en) | 2015-10-10 | 2015-10-10 | Prostate stent |
Country Status (1)
| Country | Link |
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| CN (1) | CN105287065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726034A (en) * | 2016-12-30 | 2017-05-31 | 河南亚都实业有限公司 | Support for treating hyperplasia of prostate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689807A2 (en) * | 1994-06-27 | 1996-01-03 | Advanced Cardiovascular Systems, Inc. | Biodegradable mesh-and-film stent |
| CN2217997Y (en) * | 1994-11-30 | 1996-01-24 | 上海市宝山区吴淞中心医院 | Ni-Ti shape-memory-alloy dilator for surgery |
| CN1292668A (en) * | 1998-02-17 | 2001-04-25 | 托马斯·A·施泰因克 | Expandable stent |
| WO2002060506A1 (en) * | 2000-11-17 | 2002-08-08 | Advanced Bio Prosthetic Surfaces, Ltd. | Device for in vivo delivery of bioactive agents and method of manufacture thereof |
| CN2523444Y (en) * | 2001-11-23 | 2002-12-04 | 浙江大学医学院附属邵逸夫医院 | Absorbable ureter supporter |
| CN2756252Y (en) * | 2004-12-10 | 2006-02-08 | 王明志 | Adjustable visible urethreurynter |
| CN101212937A (en) * | 2005-02-04 | 2008-07-02 | 朴利美帝有限公司 | Fiber-reinforced composite absorbable endoureteral stent |
| CN101822578A (en) * | 2010-03-29 | 2010-09-08 | 张发明 | Composite type orifice bracket |
-
2015
- 2015-10-10 CN CN201510653664.2A patent/CN105287065A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689807A2 (en) * | 1994-06-27 | 1996-01-03 | Advanced Cardiovascular Systems, Inc. | Biodegradable mesh-and-film stent |
| CN2217997Y (en) * | 1994-11-30 | 1996-01-24 | 上海市宝山区吴淞中心医院 | Ni-Ti shape-memory-alloy dilator for surgery |
| CN1292668A (en) * | 1998-02-17 | 2001-04-25 | 托马斯·A·施泰因克 | Expandable stent |
| WO2002060506A1 (en) * | 2000-11-17 | 2002-08-08 | Advanced Bio Prosthetic Surfaces, Ltd. | Device for in vivo delivery of bioactive agents and method of manufacture thereof |
| CN2523444Y (en) * | 2001-11-23 | 2002-12-04 | 浙江大学医学院附属邵逸夫医院 | Absorbable ureter supporter |
| CN2756252Y (en) * | 2004-12-10 | 2006-02-08 | 王明志 | Adjustable visible urethreurynter |
| CN101212937A (en) * | 2005-02-04 | 2008-07-02 | 朴利美帝有限公司 | Fiber-reinforced composite absorbable endoureteral stent |
| CN101822578A (en) * | 2010-03-29 | 2010-09-08 | 张发明 | Composite type orifice bracket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726034A (en) * | 2016-12-30 | 2017-05-31 | 河南亚都实业有限公司 | Support for treating hyperplasia of prostate |
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Application publication date: 20160203 |