D-J pipe withdrawing device in female ureter
Technical field
This utility model belongs to technical field of medical instruments, relates in particular to D-J pipe withdrawing device in a kind of female ureter.
Background technology
D-J pipe is the small hose of a hollow, and two ends are J type structure, are conducive to one end hanging at renal pelvis, and one end hovers above bladder, pipe shaft have tens little of the thin hole of pin hole, be conducive to that urine depends on the tube wall of conduit or the interior cavity drain of tube chamber and under.
At present, the client need of many diseases of urinary system is managed at renal pelvis ureters intravesical indwelling D-J, after playing therapeutical effect in D-J pipe placement body, need to take out, can not Preserving time in health, conventional method is that row cystoscope foreign body forceps takes out now, and the method operation is cumbersome, and consumptive material is also many, and use cystoscopic expense higher, therefore bring heavy financial burden to patient.
Utility model content
Technical problem to be solved in the utility model is: D-J pipe withdrawing device in a kind of female ureter is provided, reduces loaded down with trivial details medical care precess flow process, alleviate patient's financial burden.
For solving the problems of the technologies described above, the technical solution of the utility model is:
D-J pipe withdrawing device in female ureter, comprise the first caliper and the second caliper together arranged in a crossed manner, described the first caliper comprises the first pincers handle and is arranged on described the first pincers the first upper extension, described the second caliper comprises the second pincers handle and is arranged on described the second pincers the second upper extension, described the first pincers handle clamps hinged with described second, described the first extension comprises First Transition portion, the end of described First Transition portion is provided with the first clamping part for clamping D-J pipe, the outer surface rounding off of described the first clamping part, described the first clamping part is provided with oval-shaped the first through hole, described the second extension comprises the second transition part, the end of described the second transition part is provided with the second clamping part for clamping D-J pipe, the outer surface rounding off of described the second clamping part, described the second clamping part is provided with oval-shaped the second through hole, described the second through hole and the first through hole coaxially arrange, the cross sectional shape of described the first extension and the second extension is semicircle, in the time of described the first clamping part and the engagement of the second clamping part, it is circular taking-up bar that described the first extension and the second extension form a cross sectional shape.
Improve as one, described the first clamping part is meshed with the second clamping part, and mating surface is provided with engaging tooth.
Improve as one, described First Transition portion is near bending setting the in one end of described the first clamping part, described the second transition part arranges near one end of described the second clamping part is bending, and the bending direction of described First Transition portion and the second transition part is identical and angle of bend equal.
Improve as one, the cross-sectional area of described First Transition portion interlude is less than the cross-sectional area at described First Transition portion two ends; The cross-sectional area of described the second transition part interlude is less than the cross-sectional area at described the second transition part two ends.
Improve as one, described the first pincers handle and the second pincers are the tooth engaged that is provided with mutual interlock.
Adopted after technique scheme, the beneficial effects of the utility model are:
Because D-J pipe withdrawing device in female ureter comprises the first caliper and the second caliper together arranged in a crossed manner, the first caliper comprises the first pincers handle and the first extension, the second caliper comprises the second pincers handle and the second extension, the first extension comprises First Transition portion and the first clamping part, the second extension comprises the second transition part and the second clamping part, the first clamping part and the equal rounding off of the second clamping part outer surface, and be provided with oval-shaped through hole, can prevent that clamping part from stabbing patient's urethra in the process stretching into, can increase in addition holding area, it is more firm to clamp, be not easy landing, the cross sectional shape of the first extension and the second extension is semicircle, in the time of the first clamping part and the engagement of the second clamping part, it is circular taking-up bar that the first extension and the second extension form a cross sectional shape, both stretch in process more smooth and easy, reduce the damage to urethra, also can reduce the damage to urethra in opening of the first extension and the second extension, coordinate when in use ultrasonic guidance, increase the success rate of getting pipe, reduce the misery and the damage that bring to patient.
Because the first clamping part is meshed with the second clamping part, mating surface is provided with engaging tooth, prevent from occurring that D-J pipe is from landing between the first clamping part and the second clamping part in the process of getting D-J pipe, improve the success rate of once taking out D-J pipe, reduce the painful and damage that patient is brought.
Because First Transition portion is near bending setting the in one end of the first clamping part, the second transition part is near bending setting the in one end of the second clamping part, identical and the angle of bend of the bending direction of First Transition portion and the second transition part equates, can reduce the horizontal tractive of withdrawing device when getting pipe urethra is caused to damage.
Because the cross-sectional area of First Transition portion interlude is less than the cross-sectional area at First Transition portion two ends; The cross-sectional area of the second transition part interlude is less than the cross-sectional area at the second transition part two ends, can further reduce the damage to urethra in opening of the first extension and the second extension.
Because the first pincers handle and second clamps being provided with suitable tooth engaged, in the time that the first pincers handle and second clamps mutual interlock, can keep the engagement of the first clamping part and the second clamping part, facilitate doctor's operation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of extension;
In figure: 1, the first caliper, 2, the second caliper, 3, the first pincers handle, 4, the first extension, 5, the second pincers handle, 6, the second extension, 7, First Transition portion, 8, the first clamping part, 9, the second transition part, 10, the second clamping part.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.
Fig. 1 is the structural representation of D-J pipe withdrawing device in the female ureter that provides of this utility model, and Fig. 2 is the structural scheme of mechanism of extension, for convenience of explanation, has only provided the part relevant to this utility model in figure.
D-J pipe withdrawing device in the female ureter that this utility model provides, comprise the first caliper 1 and the second caliper 2 together arranged in a crossed manner, the first caliper 1 comprises the first pincers 3 and is arranged on the first pincers the first extension 4 on 3, the second caliper 2 comprises the second pincers 5 and is arranged on the second pincers the second extension 6 on 5, the first pincers clamp hinged 53 and second, the first extension 4 comprises First Transition portion 7, the end of First Transition portion 7 is provided with the first clamping part 8 for clamping D-J pipe, the outer surface rounding off of the first clamping part 8, the first clamping part 8 is provided with oval-shaped the first through hole, the second extension 6 comprises the second transition part 9, the end of the second transition part 9 is provided with the second clamping part 10 for clamping D-J pipe, the outer surface rounding off of the second clamping part 10, the second clamping part 10 is provided with oval-shaped the second through hole, the second through hole and the first through hole coaxially arrange, the first clamping part 8 and the equal rounding off of the second clamping part 10 outer surface, and be provided with oval-shaped through hole, can prevent that clamping part from stabbing patient's urethra in the process stretching into, can increase in addition holding area, it is more firm to clamp, be not easy landing, the cross sectional shape of the first extension 4 and the second extension 6 is semicircle, in the time that the first clamping part 8 and the second clamping part 10 engage, it is circular taking-up bar that First Transition portion 7 and the second transition part 9 form a cross sectional shape, both stretch in process more smooth and easy, reduce the damage to urethra, also can reduce the damage to urethra in opening of the first extension 4 and the second extension 6, coordinate when in use ultrasonic guidance, increase the success rate of getting pipe, reduce the misery and the damage that bring to patient.
The first clamping part 8 is meshed with the second clamping part 10, mating surface is provided with engaging tooth, prevent that D-J pipe, from landing between the first clamping part 8 and the second clamping part 10, improves the success rate of once taking out D-J pipe in the process of getting D-J pipe, reduce the painful and damage that patient is brought.
First Transition portion 7 is near bending setting the in one end of the first clamping part 8, the second transition part 9 is near bending setting the in one end of the second clamping part 10, identical and the angle of bend of the bending direction of First Transition portion 7 and the second transition part 9 equates, can reduce the horizontal tractive of withdrawing device when getting pipe urethra is caused to damage.
The cross-sectional area of First Transition portion 7 interludes is less than the cross-sectional area at First Transition portion 7 two ends; The cross-sectional area of the second transition part 9 interludes is less than the cross-sectional area at the second transition part 9 two ends, can further reduce the damage to urethra in opening of the first extension 4 and the second extension 6.
The first pincers 3 and second pincers be provided with suitable tooth engaged 5, in the time that the first pincers clamp 5 mutual interlock 3 and second, can be kept the engagement of the first clamping part 8 and the second clamping part 10, facilitate doctor's operation.
Female urethra is about 3-5cm diameter 0.6cm, and compared with male urethra, short, wide youngster is straight, central authorities or top after the approximately flat pubic symphysis of internal urethral orifice, women is lower than male, and it is out of shape to front lower place, through urogenital diaphragm, be opened on the external orifice of urethra of vaginal vestibule, D-J pipe withdrawing device in the female ureter that this utility model provides, simple and easy to use, get D-J in female ureter and manage effective, consumptive material is few, expense is low, has alleviated patient's financial burden, also can reduce the misery and the damage that bring to patient.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.