CN102357277A - Urethral expander - Google Patents
Urethral expander Download PDFInfo
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- CN102357277A CN102357277A CN2011102317898A CN201110231789A CN102357277A CN 102357277 A CN102357277 A CN 102357277A CN 2011102317898 A CN2011102317898 A CN 2011102317898A CN 201110231789 A CN201110231789 A CN 201110231789A CN 102357277 A CN102357277 A CN 102357277A
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- urethral
- urethra
- divulsor
- expander
- urethral expander
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Abstract
The invention discloses a urethral expander, which comprises a front urethral expander and a back urethral expander, wherein the front urethral expander consists of a hollow probe body and a handle arranged on the probe body; the back urethral expander comprises a sheath body; the back end of the sheath body is provided with an inner hole; the front end of the sheath body is provided with a guide hole; and a cup rim is arranged in the guide hole, and is communicated with the inner hole. When the urethral expander is in use, during expansion, the front urethral expander and the back urethral expander break through a narrow part of a urethra and are converged on the urethra, and the pointed end of the front urethral expander is clamped into the cup rim of the back urethral expander, so that urethra expansion operation is completed. The invention has the advantages: the front urethral expander is put into a front urethra and the front end of the front urethral expander is clamped into the cup rim at the front end of the back urethral expander to form a semicircular structure, and the front and back urethral expanders are combined and connected into a whole, so that normal position of the urethral expander can be judged easily, and damage to the urethra and the formation of a false passage are avoided.
Description
Technical field
The present invention relates to a kind of divulsor, belong to technical field of medical instruments.
Background technology
Urethral stricture is the commonly encountered diseases of Urology Surgery, and the reason of morbidity is divided into three types of traumatic agents, inflammatory factor, congenital factors usually.Pathological changes mainly shows as the cicatrix of different depth and density, and with the contracture of uroepithelial damaged and tube wall, influence is at last urinated normally.Treatment urethral stricture method the most commonly used is a dilation of urethra, uses the metal urethral probe to expand narrow urethra.Medical institutions in basic unit all can carry out, and about 100 yuan of urethral dilatation medical expense once, for Most patients, can accept.But often there is the urethral dilatation failure to take place for various reasons, even urethra massive, iatrogenic urethra occurs via severe complications such as formation.At this moment the operative treatment urethral strictures that need more.For the urethral stricture of locking, the success rate of urethral dilatation is lower in addition, needs operative treatment mostly.The operation of urethral stricture is divided into open operation and intracavity internal urethrotomy.The former operation wound is big, and postoperative ED incidence rate is high, though latter's operation wound is less, makes operation have blindness for urethra complete atresia person, be prone to cause via and rectal injury, and then the probability that transfers open surgery to increases.No matter be ten thousand yuan of the most mistakes of open surgery or intracavity operation expense, bring huge financial burden and psychic trauma to patient.Therefore; Be necessary to design the safety that special instrument increases urethral dilatation, and make the patient of a part of urethra complete atresia can avoid operation, accomplish the purpose of treatment through simple urethral dilatation; Thereby for the patient alleviates medical burden, for country practices thrift medical resource.
Summary of the invention
To above-mentioned prior art; The invention provides a kind of safe divulsor; Use this divulsor can improve the success rate of expansion for the urethral stricture of complicacy; Urethral stricture (narrow length is less than 2 centimetres) for complete atresia can use this divulsor to expand, thereby makes patient avoid operation.
The present invention realizes through following technical scheme:
A kind of divulsor comprises anterior urethra dilator and back divulsor, wherein; The anterior urethra dilator is made up of probe's body of hollow and the handle that is located on probe's body; Back divulsor comprises the sheath body, and sheath body rear end is provided with endoporus, and sheath body front end is provided with pilot hole; Be provided with rim of a cup in the pilot hole, rim of a cup communicates with endoporus.
Said sheath body is curved, during practical application, can select different arcual backs divulsor apart from the length of internal urethral orifice with radian according to patient's bladder stoma mouth.
The similar common divulsor of said anterior urethra dilator shape, but this dilator is a hollow, during use, inserts the anterior urethra dilator from external orifice of urethra, and its front end can snap in the rim of a cup of back divulsor front end.
Use: during expansion, the anterior urethra dilator is joined at urethra with back divulsor two parts breakthrough urethral stricture part, and the tip of anterior urethra dilator is snapped in the rim of a cup of back divulsor, accomplishes the operation of urethral dilatation.
Front and back of the present invention divulsor all is a hollow structure, and its effect is:
1, is convenient to insert light source (fiber ureteroscope) and under direct-view, inserts and seek atresia of urethra end thinnest part and narrow duct.
2, the front and back divulsor is broken through the urethral stricture part, makes after the tip of anterior urethra dilator snaps in the rim of a cup of back divulsor, and the characteristics of utilizing two parts to be all hollow are inserted safety guide wire.For the short urethral stricture of narrow section, can utilize the anterior urethra dilator to carry out urethral dilatation along safety guide wire.Can keep safety guide wire for the long patient of urethral stricture and insert the inscribe mirror, along safety guide wire with cutting in the urethral stricture part.And can ring pipe and reservation be inserted in the safety guide wire guiding, for urethral dilatation later on creates conditions.
Advantage of the present invention is:
1, the anterior urethra dilator is inserted its front end of anterior urethra and is snapped in the rim of a cup of back divulsor front end, forms one semi-circular, forward and backward divulsor combines to be linked to be integral body, is easy to judge that divulsor is positioned at the normal position, avoid damaging urethra and formation via.
2, back divulsor camber is fixed, and adjusts direction through the swing afterbody and is beneficial to seek atresia of urethra end thinnest part and narrow duct.Whole operation is utilized the former fistulization oral of patient, does not generally need other otch.
3, for the urethral stricture of urethra complete atresia, accomplish urethral dilatation if narrow length is short through this apparatus, thereby make the patient avoid operation.If narrow length is longer, use the anterior urethra dilator to snap in the rim of a cup of back divulsor, the characteristics of utilizing forward and backward divulsor to be all hollow are inserted safety guide wire.Keep seal wire then, extract forward and backward divulsor, carry out internal urethrotomy again, increase the safety of operation.
4, reuse after this apparatus can be sterilized, medical institutions at different levels all can carry out this operation technique.
5, forward and backward divulsor all is a hollow, peeps soft lens in can be built-in, under direct-view, inserts and seek atresia of urethra end thinnest part and narrow duct.
6, the arc-shaped bend of the back divulsor of different model with different angles can satisfy the requirement of suprapubic cystotomy mouth position and internal urethral orifice different angles and distance.
Description of drawings
Fig. 1 is the structural representation of anterior urethra dilator;
Fig. 2 is the structural representation of back divulsor;
Fig. 3 is the cutaway view of anterior urethra dilator;
Fig. 4 is the cutaway view of back divulsor;
Fig. 5 is the bonded sketch map of forward and backward divulsor.
Wherein, 1, probe's body; 2, hands handle; 3, sheath body; 4, endoporus; 5, pilot hole; 6, rim of a cup; 7, safety guide wire.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
A kind of divulsor comprises anterior urethra dilator and back divulsor, like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Wherein, the anterior urethra dilator is made up of probe's body 1 of hollow and the handle 2 that is located on probe's body 1, and back divulsor comprises sheath body 3; Sheath body 3 rear ends are provided with endoporus 4; Sheath body 3 front ends are provided with pilot hole 5, are provided with rim of a cup 6 in the pilot hole 5, and rim of a cup 6 communicates with endoporus 4.
Said sheath body 3 is curved.
Use:, if narrow length is shorter, then can accomplish urethral dilatation, thereby make the patient avoid operation through apparatus of the present invention for the urethral stricture of urethra complete atresia.If narrow length is longer; Then when expansion; The anterior urethra dilator is broken through the urethral stricture part in the urethra junction with back divulsor two parts, and the tip of anterior urethra dilator is snapped in the rim of a cup 6 of back divulsor, and is as shown in Figure 5; Accomplish the operation of urethral dilatation, the characteristics of utilizing forward and backward divulsor to be all hollow are then inserted safety guide wire 7.Keep safety guide wire 7 then, extract forward and backward divulsor, carry out internal urethrotomy again, increase the safety of operation.
Claims (2)
1. a divulsor is characterized in that: comprise anterior urethra dilator and back divulsor, wherein; The anterior urethra dilator is made up of probe's body of hollow and the handle that is located on probe's body; Back divulsor comprises the sheath body, and sheath body rear end is provided with endoporus, and sheath body front end is provided with pilot hole; Be provided with rim of a cup in the pilot hole, rim of a cup communicates with endoporus.
2. a kind of divulsor according to claim 1 is characterized in that: said sheath body is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110231789 CN102357277B (en) | 2011-08-13 | 2011-08-13 | Urethral expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110231789 CN102357277B (en) | 2011-08-13 | 2011-08-13 | Urethral expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357277A true CN102357277A (en) | 2012-02-22 |
| CN102357277B CN102357277B (en) | 2013-04-17 |
Family
ID=45582692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110231789 Expired - Fee Related CN102357277B (en) | 2011-08-13 | 2011-08-13 | Urethral expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102357277B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114917456A (en) * | 2022-03-28 | 2022-08-19 | 苏州大学附属第一医院 | Special urine of urethra meeting teacher expands stick |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158728Y (en) * | 1993-07-16 | 1994-03-16 | 王福林 | Casing-tube type urethra dilator |
| CN2198936Y (en) * | 1994-09-15 | 1995-05-31 | 山东医科大学附属医院 | Hollow divulsor for urethra |
| US5817127A (en) * | 1997-06-04 | 1998-10-06 | Borodulin; German | Combined dilator-urethrotome |
| CN201591904U (en) * | 2009-11-23 | 2010-09-29 | 唐文芳 | Urethral dilator |
| CN202185053U (en) * | 2011-08-13 | 2012-04-11 | 山东大学 | Urethral dilator |
-
2011
- 2011-08-13 CN CN 201110231789 patent/CN102357277B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158728Y (en) * | 1993-07-16 | 1994-03-16 | 王福林 | Casing-tube type urethra dilator |
| CN2198936Y (en) * | 1994-09-15 | 1995-05-31 | 山东医科大学附属医院 | Hollow divulsor for urethra |
| US5817127A (en) * | 1997-06-04 | 1998-10-06 | Borodulin; German | Combined dilator-urethrotome |
| CN201591904U (en) * | 2009-11-23 | 2010-09-29 | 唐文芳 | Urethral dilator |
| CN202185053U (en) * | 2011-08-13 | 2012-04-11 | 山东大学 | Urethral dilator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114917456A (en) * | 2022-03-28 | 2022-08-19 | 苏州大学附属第一医院 | Special urine of urethra meeting teacher expands stick |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102357277B (en) | 2013-04-17 |
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Granted publication date: 20130417 Termination date: 20140813 |
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| EXPY | Termination of patent right or utility model |