CN209092473U - A kind of ureter bracket - Google Patents

Abstract

The utility model discloses a kind of ureter bracket, the ureter bracket includes a tube body, multipair hangnail and a draught line, the multipair hangnail is distributed along the axially spaced-apart of the tube body, and one end of each pair of hangnail is connect with the body wall of the tube body, and the other end is connect with the draught line；The draught line is along the axially extending of the tube body and extends predetermined length.By the way that multipair hangnail is arranged on tube body, after ureter bracket implantation is in place, when ureteral peristalsis and urine flow impact move down, due to hangnail open direction wash away with urine it is contrary, to increase the friction between ureter bracket and ureter, ureter bracket is effectively prevent to glide.In addition, the scale of hangnail opening can be reduced by way of pulling draught line for the case where pulling out ureter bracket is needed, so that hangnail restores even to return in the tube body of ureter bracket, be conducive to smoothly pull out ureter bracket.

Description

A kind of ureter bracket

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of ureter brackets.

Background technique

Ureter bracket is a kind of common consumptive material of Urology Surgery, is an elongated hose, leads to bladder from kidney, When ureter is blocked due to factors such as calculus, tumour, external compressing, cicatricial strictures, clinically, Urology Surgery doctor is normal Often selection merging ureter bracket is clinically carried out also past before surgical procedure around ureter certainly with preventing or improving uronephrosis Toward the preset ureter bracket of progress, in order to avoid accidentally injure.

Clinically most-often used at present is double J pipe ureter bracket, since some patientss uronephrosis is heavier or there have to be certain Degree obstruction can not be handled in time, therefore need Preserving time ureter bracket, however existing ureter bracket is easy after placing Occur the complication such as slipping, shift.In addition, currently used ureter bracket is in elongated cylindrical body, the tube wall of bracket is smooth It is submissive, it is placed to after ureter since the wriggling and gravity of ureter add washing away for urine to be easy to that ureter bracket occurs Fall off.

The slippage of ureter bracket can generate following consequence: 1. lead to kidney urine drainage obstacle, thus secondary urinary tract sense Dye aggravates uronephrosis, damages renal function；2. making troubles to clinical judgment: female patient ureter bracket has part after slipping It can excrete with women urine, cause difficulty to the doctor for being replaced or being pulled out bracket again, while it is also possible to Block urethra；3. ureter bracket slippage cause to need to explore urine output canal path again when replacing bracket again, due to disease into The possibility of exhibition greatly increases the difficulty being placed in again, also increases and gives patient traumatogenic possibility.

Aiming at the problem that slippage of ureter bracket, those skilled in the art always search for solution.

Utility model content

The purpose of this utility model is to provide a kind of ureter brackets, to solve the cunning of ureter bracket in the prior art The problem of taking off caused adverse consequences.

In order to solve the above-mentioned technical problem, the utility model provides a kind of ureter bracket, the ureter bracket, packet Include: a tube body, multipair hangnail and a draught line, the multipair hangnail is distributed along the axially spaced-apart of the tube body, and each pair of hangnail One end connect with the body wall of the tube body, the other end is connect with the draught line；Axial direction of the draught line along the tube body Extend and extends predetermined length.

Optionally, in the ureter bracket, the draught line sticks in the tube body by polysaccharide degradation material Tube wall on and extend predetermined length.

Optionally, in the ureter bracket, the multipair hangnail is between the axially spaced-apart distribution of the tube body Gauge is from for 1cm~1.5cm.

Optionally, in the ureter bracket, two hangnails are symmetrically disposed on the body of the tube body in each pair of hangnail On wall.

Optionally, in the ureter bracket, the quantity of hangnail pair is four pairs.

Optionally, in the ureter bracket, each hangnail is that cross section is rectangular hangnail.

Optionally, in the ureter bracket, the tube body is correspondingly arranged on the body wall below hangnail and offers Hollow out window.

Optionally, in the ureter bracket, the hollow out window area is greater than the cross-sectional area of hangnail.

Optionally, in the ureter bracket, the predetermined length range is 10cm~16cm.

In ureter bracket provided by the utility model, the ureter bracket include a tube body, multipair hangnail and One draught line, the multipair hangnail is distributed along the axially spaced-apart of the tube body, and the body of one end of each pair of hangnail and the tube body Wall connection, the other end are connect with the draught line；The draught line is along the axially extending of the tube body and extends predetermined length. By the way that multipair hangnail is arranged on tube body, after ureter bracket implantation is in place, when ureteral peristalsis and urine flow impact move down, Due to hangnail open direction wash away with urine it is contrary, to increase the friction between ureter bracket and ureter, effectively Prevent ureter bracket from gliding.In addition, for the case where pulling out ureter bracket is needed, it can be by way of pulling draught line The scale that hangnail opens is reduced, so that hangnail restores even to return in the tube body of ureter bracket, is conducive to smoothly pull out defeated Urinary catheter bracket.

Detailed description of the invention

Fig. 1 is the longitudal section schematic diagram of ureter bracket in an embodiment of the present invention；

Fig. 2 is the main view of the part a in Fig. 1.

In figure: 1- tube body；2- hangnail；3- draught line；4- hollow out window.

Specific embodiment

Below in conjunction with the drawings and specific embodiments to the utility model proposes ureter bracket be described in further detail. According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It should be noted that attached drawing is all made of Very simplified form and use non-accurate ratio, only to it is convenient, lucidly aid in illustrating the utility model embodiment Purpose.

Herein, " proximal end " and " distal end " is from using doctor's angle of the medical instrument to carry out read fortune for mutual member Part or the relative bearing of movement, relative position, direction, although it is restrictive, " proximal end " that " proximal end " and " distal end ", which is not, The Medical Devices are often referred in course of normal operation close to one end of doctor, and " distal end " typically refers to initially enter patient's body Interior one end.

Herein, "inner" or " inside " refer to that the direction of the axis close to bracket, "outside" or " outside " refer to far from branch The direction of the axis of frame.

As used in the specification and the appended claims, singular "a", "an" and "the" includes Plural reference, in addition in addition non-content explicitly points out.As used in the specification and the appended claims, term "or" Usually carried out with including the meaning of "and/or" using, in addition in addition non-content explicitly points out.

Referring to FIG. 1, its longitudal section schematic diagram for ureter bracket in an embodiment of the present invention.As shown in Figure 1, The ureter bracket includes: a tube body 1, multipair hangnail 2 and a draught line 3, axis of the multipair hangnail 2 along the tube body 1 To being spaced apart, and one end of each pair of hangnail 2 is connect with the body wall of the tube body 1, and the other end is connect with the draught line 3；Institute Draught line 3 is stated along the axially extending of the tube body 1 and extends predetermined length.

Preferably, the draught line 3 is sticked on the tube wall of the tube body 1 by degradation material and extends pre- fixed length Degree is implanted into ureter ureter bracket to avoid draught line 3 and causes unnecessary interference.Preferably, the predetermined length Range is 10cm~16cm, pulls draught line 3 when recycling ureter bracket in order to subsequent procedures operator.

In the present embodiment, as shown in Figures 1 and 2, each hangnail 2 is that cross section is rectangular hangnail 2, the tube body 1 It is correspondingly arranged on the body wall of 2 lower section of hangnail and offers hollow out window 4, and 4 area of hollow out window is greater than the transversal of hangnail 2 Face area, so that hangnail 2 bounces back to tube body 1, or even returns to ureter by the hollow out window 4 when pulling draught line 3 In the tube body 1 of bracket, avoids hangnail 2 from increasing the cross sectional dimensions of ureter bracket, be conducive to smoothly pull out ureter bracket.Cause This, the shape of the cross section of hangnail 2 can be consistent or inconsistent with the shape of hollow out window 4, as long as hangnail 2 can be through hollow out window Mouth 4 is retracted into tube body 1.

As shown in Figure 1, the multipair hangnail 2 along the tube body 1 axially spaced-apart be distributed spacing distance be 1cm~ 1.5cm；First pair of hangnail is located at ureter bracket head end 1/3, and the quantity of hangnail pair is four pairs, and in each pair of hangnail two fall Thorn 2 be symmetrically disposed on the body wall of the tube body 1 (in i.e. each pair of hangnail two hangnails 2 along tube body 1 same circumferential setting, and And the axisymmetrical of opposite tube body 1).Position, quantity and concrete shape on tube body 1 be set to for each pair of hangnail, including but It is not limited to situation shown in FIG. 1, as long as hangnail setting can prevent ureter bracket downslide or mesh that is mobile and being conducive to ?.

Referring to FIG. 2, explaining the defeated of the utility model so that hangnail is rectangular hangnail (i.e. cross-sectional shape is rectangular) as an example The principle of urinary catheter stent applications:

Firstly, seal wire merging ureter is in place to renal plevis, ureter bracket is then pushed into ureter along seal wire approach In, after reaching suitable position, part draught line 3 can be observed in bladder, since draught line 3 is solid in umbrella and hangnail distal end Fixed connection, 3 rear end of draught line converges into one and pastes the tube wall for being fixed on the tube body 1 of ureter bracket by polysaccharide degradation material On, therefore polysaccharide degradation material is dissolved in about 2~3 weeks after merging, so that the draught line 3 can become slack, is being urinated When washing away of liquid, the hangnail 2 on ureter wall can open, especially outstanding when ureter bracket is influenced to move down by ureteral peristalsis It is obvious, so that the friction of ureter and ureter bracket be significantly greatly increased, ureter bracket is effectively prevented to continue to glide； Secondly, the draught line 3 distally connecting with each hangnail 2 can be simply pulled on when such as needing to take out bracket, at this moment for traction The drawing of line 3, it is intracavitary that hangnail 2 can restore even to return to ureter rack tube, is conducive to smoothly pull out ureter bracket.Thus It is fully retracted into the case of ureter as it can be seen that the presence of draught line 3 also can simplify the ureter bracket occurred in some cases Operation, need to only pull out draught line 3 in this case can reset bracket.

To sum up, in ureter bracket provided by the utility model, the ureter bracket include a tube body, it is multipair fall Thorn and a draught line, the multipair hangnail is distributed along the axially spaced-apart of the tube body, and one end of each pair of hangnail and the tube body Body wall connection, the other end connect with the draught line；The draught line is along the axially extending of the tube body and extends predetermined Length.By the way that multipair hangnail is arranged on tube body, after ureter bracket implantation is in place, under ureteral peristalsis and urine flow impact When shifting, due to hangnail open direction wash away with urine it is contrary, to increase the friction between ureter bracket and ureter, It effectively prevent ureter bracket to glide.In addition, drawing draught line can be passed through for the case where pulling out ureter bracket is needed Mode reduces the scale of hangnail opening, so that hangnail restores even to return in the tube body of ureter bracket, is conducive to smoothly pull out Except ureter bracket.

Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.

Claims (9)

1. a kind of ureter bracket characterized by comprising a tube body, multipair hangnail and a draught line, the multipair hangnail edge The axially spaced-apart of the tube body is distributed, and one end of each pair of hangnail is connect with the body wall of the tube body, the other end and the traction Line connection；The draught line is along the axially extending of the tube body and extends predetermined length.

2. ureter bracket as described in claim 1, which is characterized in that the draught line is sticked in by polysaccharide degradation material On the tube wall of the tube body and extend predetermined length.

3. ureter bracket as described in claim 1, which is characterized in that axially spaced-apart of the multipair hangnail along the tube body The spacing distance of distribution is 1cm~1.5cm.

4. ureter bracket as described in claim 1, which is characterized in that two hangnails are symmetrically disposed on described in each pair of hangnail On the body wall of tube body.

5. ureter bracket as claimed in claim 3, which is characterized in that the quantity of hangnail pair is four pairs.

6. ureter bracket as described in claim 1, which is characterized in that each hangnail is that cross section is rectangular hangnail.

7. ureter bracket as claimed in claim 6, which is characterized in that the tube body is correspondingly arranged in the body wall below hangnail On offer hollow out window.

8. ureter bracket as claimed in claim 7, which is characterized in that the hollow out window area is greater than the cross section of hangnail Area.

9. ureter bracket as described in claim 1, which is characterized in that the predetermined length range is 10cm~16cm.