CN209173194U

CN209173194U - Urethreurynter

Info

Publication number: CN209173194U
Application number: CN201821593064.7U
Authority: CN
Inventors: 吴盛德; 龙春兰
Original assignee: Childrens Hospital of Chongqing Medical University
Current assignee: Childrens Hospital of Chongqing Medical University
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-07-30
Anticipated expiration: 2028-09-28

Abstract

The utility model discloses a kind of urethreurynters, including expander ontology, the double layer hollow structural body that the expander ontology is made of the flexible structure outer layer of hard structure internal layer and expansible contraction, wherein internal layer is the pipe structure that both ends communicate, outer layer front end and internal layer front end are connected to form the closing of blunted cone head, outer layer rear end is equipped with inlet, and inside and outside interlayer forms semi-enclosed cavity.The internal layer of hard pipe structure not only can ensure that the form of expander in the structure, but also be able to achieve seal wire merging；And outer layer flexible is semi-enclosed cavity, can inject liquid or gas by the inlet of rear end, so that dilator body structure be made to expand, achievees the purpose that expansion is narrow, and does not need replacement expander and just can be carried out the expansion of different-diameter.Overall structure is simple, solves the problems, such as that existing expander can not handle multistage ankylurethria.

Description

Urethreurynter

Technical field

The utility model belongs to medical instruments field, and in particular to a kind of urethreurynter.

Background technique

Ankylurethria is urinary system common disease, is more common in male, clinically common: (1) congenital stricture of urethra, such as first Nature external orifice stricture etc.；(2) inflammatory ankylurethria, often because urethra lumen infects, caused by damage；(3) traumatic urethra It is narrow, mostly lead to urethral injury or urethral disruption because pelvic fracture, perineum ride to injure to stab etc.；(4) hypospadias surgery is urinated Road is narrow, mostly because of previous anastomotic scar proliferation after operation, leads to ankylurethria.The symptom of ankylurethria can be due to its narrow degree Different: 1) dysuria, gradual urination is unsmooth, and urine flow attenuates, and urination is interrupted sometimes, is urinated dripping, or even cannot urinate； 2) retention of urine；3) stress incontinence；4) long-term dysuria causes urinary tract pathologic to change, such as uronephrosis, nephrarctia, kidney Insufficiency；5) sexual function state: can penis erect；6) anus abnormal defecation, because urine retention leads to abnormal defecation.

The urethreurynter clinically used at present, mostly: (1) urethral bougie of metal material, matter is hard, is easy to damage urine Road；(2) different-diameter corresponds to different model, need to replace the expander of different model when a patient expands repeatedly, exist Inconvenience.

Existing urethreurynter, such as: application publication number: 102357277 A of CN, a kind of patent of invention: urethral dilatation Device.The main structure of the patent of invention is narrow for multistage to handle apart from nearest narrow of urethral orifice by thin thicker, without Energy (or highly difficult) processing is located at narrow close to bladder section.Application publication number: 106924865 A of CN, patent of invention: urethra expands Prop.The cone expander of the patent of invention can not equally handle multistage ankylurethria.More importantly foregoing invention is special The main structure of benefit is straight type, does not comply with the warp architecture of urethra itself, be easy to cause urethral injury

Therefore, clinically urgent need is convenient, damages urethreurynter that is small, can be used for multistage ankylurethria.

Summary of the invention

In view of this, the purpose of this utility model is to provide it is a kind of it is easy to use, damage is small, it is narrow to can be used for multistage urethra Narrow urethreurynter.

In order to achieve the above objectives, the utility model provides the following technical solutions:

A kind of urethreurynter, including expander ontology, the expander ontology are by hard structure internal layer and expansible receipts The double layer hollow structural body of the flexible structure outer layer composition of contracting, wherein internal layer is the pipe structure that communicates of both ends, outer layer front end with Internal layer front end is connected to form the closing of blunted cone head, and outer layer rear end is equipped with inlet, and inside and outside interlayer forms semi-enclosed cavity.

Further, the front end of double layer hollow structural body is in penis physiological bending.

Further, the rear end of double layer hollow structural body is equipped with flat handle.

Further, the rear end of double layer hollow structural body is equipped with graduated scale.

Further, graduated scale is an integral structure with flat handle.

Further, outer layer is made of medical soft rubber.

Further, internal layer is made of medical rigid plastics.

Further, inlet is equipped with valve.

Further, the front end circular arc of double layer hollow structural body is seamlessly transitted to rear.

It further, further include merging the seal wire that can be inserted into internal layer with internal layer matching.

The utility model has the beneficial effects that:

(1) expander ontology is double layer hollow structural body, and wherein the internal layer of hard pipe structure both can ensure that expander Form, and it is able to achieve seal wire merging；And outer layer flexible be semi-enclosed cavity, can by the inlet of rear end inject liquid or Gas achievees the purpose that expansion is narrow so that dilator body structure be made to expand, and does not need replacement expander and just can be carried out not With the expansion of diameter.

(2) front end of expander ontology is in penis physiological bending, meets the state of urethra natural torsion, when row urethral dilatation Urethra sense of discomfort can be reduced to the greatest extent, reduce urethral injury.

(3) in addition to lead segment, the rest part outer diameter of expander ontology is in the same size, be able to achieve multistage it is narrow while expansion ?.

(4) pipe structure of internal layer can be used cooperatively with seal wire, mainstream cystoscope and Bladder stone etc., can correspond to realization length The function of phase indwelling catheter expansion, the concrete condition for observing narrow section carry out scar excision to narrow section urethra, release obstruction.

Detailed description of the invention

In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows Attached drawing is illustrated:

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.

A kind of urethreurynter, including expander ontology, the expander ontology are by hard structure internal layer 1 and expansible receipts The double layer hollow structural body that the flexible structure outer layer 2 of contracting forms, wherein internal layer 1 is the pipe structure that both ends communicate, 2 front end of outer layer It is connected to form the closing of blunted cone head with 1 front end of internal layer, 2 rear end of outer layer is equipped with inlet 3, and inside and outside interlayer forms semi-enclosed cavity.

In the double layer hollow structural body, the internal layer 1 of hard pipe structure not only can ensure that the form of expander, but also is able to achieve and leads Silk merging；After dilating urethra, merging urinary catheter is guided by seal wire, to reach the function of long term indwelling catheter expansion.And it is soft Property outer layer 2 be semi-enclosed cavity, liquid or gas can be injected by the inlet 3 of rear end, to make dilator body knot Structure expansion achievees the purpose that expansion is narrow, and does not need replacement expander and just can be carried out the expansion of different-diameter.On inlet 3 Equipped with valve 7, it can be achieved that opening or closing, so that expander ontology is reverted to original state or keep expansion state, convenient for operation It uses.

In the present embodiment, the front end of double layer hollow structural body is in penis physiological bending.Expander can be made to meet urethra in this way The state of natural torsion, when row urethral dilatation, can reduce urethra sense of discomfort to the greatest extent, reduce urethral injury.

Specifically, double layer hollow structural body includes bending section L1 and straightway L2, wherein bending section L1 is located at straightway L2 Front, and bending section L1 can be divided into lead segment l1 and sizing section l2, lead segment l1 is at double layer hollow structural body front end Blunted cone capitiform and circular arc seamlessly transit section, and sizing section l2 is on bending section L1 and straightway L2 outer diameter part of the same size, The junction position of lead segment and sizing section is denoted as A point position.

The front end of the double layer hollow structural body is blunted cone capitiform, and circular arc is seamlessly transitted to rear A point position, i.e. A point It sets the one section of outer diameter in front to be gradually increased from front to back, facilitate insertion into；The structural body outer diameter that A point postpones end is in the same size, in this way, In the case where main body to be guaranteed is very thin, be both able to achieve multistage it is narrow while expansion.

It as a further improvement of the foregoing solution, further include merging the seal wire 4 that can be inserted into internal layer 1 with the matching of internal layer 1.When So, which can also be in conjunction with mainstream cystoscope, and the pipe structure of internal layer 1 can also be by cystoscope, to observe narrow section Concrete condition, for example, if for scar proliferation etc..The expander can be also used cooperatively with Bladder stone, the pipe structure of internal layer 1 Obstruction can also be released to carry out scar excision to narrow section urethra by Bladder stone.

As a further improvement of the foregoing solution, the rear end of double layer hollow structural body is equipped with flat handle 5.Flat handle 5 The direction for being conducive to control expander ontology, does not damage urethra.

As a further improvement of the foregoing solution, the rear end of double layer hollow structural body is equipped with graduated scale 6.Graduated scale 6 can be straight The overall diameter for showing expander ontology is seen, thus the objective diameter for knowing narrow section expansion front and back.Certainly, in outer layer tube body knot Scale can also be marked on structure, for measuring distance (in figure be not drawn into) of the narrow section apart from urethral orifice.

In the present embodiment, graduated scale 6 is an integral structure with flat handle 5, and graduated scale 6 can directly be engraved in flat handle On 5, it can be set in its rear.

In the present embodiment, outer layer 21 is made of medical soft rubber, safe and non-toxic, and is able to achieve expansion and contraction.Internal layer 1 by Medical rigid plastics are made, and can reliably keep expander form, it is ensured that the devices such as seal wire 4, cystoscope and Bladder stone it is smooth Merging.

Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details The range of restriction.

Claims

1. a kind of urethreurynter, including expander ontology, it is characterised in that: the expander ontology be by hard structure internal layer and The double layer hollow structural body of the flexible structure outer layer composition of expansible contraction, wherein internal layer is the pipe structure that both ends communicate, outside Layer front end and internal layer front end are connected to form the closing of blunted cone head, and outer layer rear end is equipped with inlet, and inside and outside interlayer forms semi-enclosed chamber Body.

2. urethreurynter according to claim 1, it is characterised in that: the front end of double layer hollow structural body is in penis physiology Bending.

3. urethreurynter according to claim 1, it is characterised in that: the rear end of double layer hollow structural body is equipped with flat hand Handle.

4. urethreurynter according to claim 3, it is characterised in that: the rear end of double layer hollow structural body is equipped with scale Ruler.

5. urethreurynter according to claim 4, it is characterised in that: graduated scale is an integral structure with flat handle.

6. urethreurynter according to claim 1, it is characterised in that: outer layer is made of medical soft rubber.

7. urethreurynter according to claim 1, it is characterised in that: internal layer is made of medical rigid plastics.

8. urethreurynter according to claim 1, it is characterised in that: inlet is equipped with valve.

9. urethreurynter according to claim 1, it is characterised in that: the front end circular arc of double layer hollow structural body is smoothed It crosses to rear.

10. any urethreurynter according to claim 1~9, it is characterised in that: further include that merge with internal layer matching can It is inserted into the seal wire into internal layer.