CN201977855U

CN201977855U - Urethra suture needle for posterior urethra straight needle anastomosis

Info

Publication number: CN201977855U
Application number: CN2010206908154U
Authority: CN
Inventors: 张恒; 熊恩庆
Original assignee: First Affiliated Hospital of TMMU
Current assignee: Third Military Medical University TMMU; First Affiliated Hospital of TMMU
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-09-21
Anticipated expiration: 2020-12-30

Abstract

The utility model relates to a medical appliance, in particular to a urethra suture needle for posterior urethra straight needle anastomosis. Without splitting bladder or guiding a needle out of the bladder by hands, the urethra suture needle for the posterior urethra straight needle anastomosis consists of a sheath, an internal core and a hooked needle; the sheath of the urethra suture needle is provided with a through passage that is arranged in the axial direction; the external diameter of the internal core of the urethra suture needle and the external diameter of the hooked needle of the urethra suture needle are less than the internal diameter of the passage; a hook-shaped needle is arranged at the head part of the hooked needle of the urethra suture needle; a limiting boss is arranged at the tail part of the hooked needle of the urethra suture needle; when the hooked needle of the urethra suture needle is inserted in the sheath of the urethra suture needle, the hook-shaped needle extends out of one end of the sheath of the urethra suture needle; a tip is arranged at the head part of the internal core of the urethra suture needle; the limiting boss is arranged at the tail part of the internal core of the urethra suture needle; and the tip extends out of one end of the sheath of the urethra suture needle when the internal core of the urethra suture needle is inserted in the sheath of the urethra suture needle.

Description

Back urethra staight needle anastomosis urethra sewing needle

Technical field

This utility model relates to a kind of medical apparatus and instruments, is specifically related to the urethra sewing needle that a kind of back urethra staight needle anastomosis is used.

Background technology

Posterior urethral stricture is many because of inflammation, injure due to the iatrogenic factors outward, be longer than otomy in can the adopting under the mirror of chamber of 2CM for little degree, for the long section of the complexity of 2CM posterior urethral stricture, advocate to adopt the urethral stricture section thoroughly to excise back row end-to-end anastomosis, but long for narrow length, posterior urethral stricture near neck of bladder, or children's's pelvis is narrow and small, adopts the common comparatively difficulty of coincideing, and must coincide by the row staight needle.

The method that staight needle coincide has multiple, present operation must be gone after the bladder incision substantially, enter the probe from internal urethral orifice, guide descending perineal position cicatrix excision and urethra to dissociate the probe, from perineal position near-end urethra outer side needling, go out pin again, take line out of back from intravesical again and sew up with distal urethra from neck of bladder, this method shortcoming is: one must cut bladder, bigger to patient's damage; Two visuals field show bad, can not guarantee good suture location.Three identical difficult persons often must be guided out pin at intravesical with finger, damage patient's finger easily.

For addressing the above problem, be badly in need of having a cover to be used for the operating theater instruments that the staight needle anastomosis is used.

The utility model content

In view of this,, the utility model proposes the urethra sewing needle that a kind of back urethra staight needle anastomosis is used, need not cut bladder, need not be guided out pin at intravesical with finger in order to address the above problem.

The purpose of this utility model is achieved in that back urethra staight needle anastomosis urethra sewing needle, per urethram sewing needle epitheca, urethra sewing needle inner core and urethra sewing needle buckle pin are formed, described urethra sewing needle epitheca is provided with the passage of perforation vertically, and the external diameter of urethra sewing needle inner core and urethra sewing needle buckle pin is less than the internal diameter of described passage.

Further, an end of described urethra sewing needle epitheca is along circumferentially being provided with positive stop lug boss.

Further, the head of described urethra sewing needle inner core has the tip, and the afterbody of urethra sewing needle inner core is provided with positive stop lug boss, and in the time of in urethra sewing needle inner core inserts urethra sewing needle epitheca, stretch out from an end of urethra sewing needle epitheca at described tip.

Further, the rear end of the positive stop lug boss of urethra sewing needle inner core is provided with handle.

Further, the head of urethra sewing needle buckle pin is provided with the hook pin, and the afterbody of urethra sewing needle buckle pin is provided with positive stop lug boss, and in the time of in urethra sewing needle buckle pin inserts urethra sewing needle epitheca, described hook pin stretches out from an end of urethra sewing needle epitheca.

Further, the rear end of the positive stop lug boss of urethra sewing needle buckle pin is provided with handle.

Further, described urethra sewing needle epitheca length is 15cm.

Further, described urethra sewing needle epitheca specification is 20G.

This utility model has following advantage with respect to prior art: urethra sewing needle of the present utility model does not need to cut bladder in use and undergos surgery, and by the guiding of urethra sewing needle epitheca, need not be guided out pin at intravesical with finger.

Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can be by following description, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.

Description of drawings

In order to make the purpose of this utility model, technical scheme and advantage clearer, this utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 shows the structural representation of back urethra staight needle anastomosis with punctio vesicae pin epitheca in the punctio vesicae pin;

Fig. 2 shows the another kind of structural representation of back urethra staight needle anastomosis with punctio vesicae pin epitheca in the punctio vesicae pin;

Fig. 3 shows the structural representation of back urethra staight needle anastomosis with punctio vesicae pin inner core in the punctio vesicae pin;

Fig. 4 shows the structural representation of back urethra staight needle anastomosis with urethra sewing needle epitheca;

Fig. 5 shows the structural representation of back urethra staight needle anastomosis with urethra sewing needle epitheca inner core;

Fig. 6 shows the structural representation of back urethra staight needle anastomosis with urethra sewing needle epitheca buckle pin;

Fig. 7 shows the structural representation of back urethra staight needle anastomosis with urethral probe.

The specific embodiment

Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.

Referring to Fig. 1, Fig. 2, back urethra staight needle anastomosis punctio vesicae pin, form by punctio vesicae pin epitheca 1 and punctio vesicae pin inner core 2, described punctio vesicae pin epitheca 1 is provided with the passage 11 of perforation vertically, punctio vesicae pin inner core 2 dismountable being arranged in the described passage 11, one end of described punctio vesicae pin epitheca 1 is along circumferentially being provided with positive stop lug boss 12, the head of described punctio vesicae pin inner core 2 has most advanced and sophisticated 21, the afterbody of punctio vesicae pin inner core 2 is provided with positive stop lug boss 22, in the time of in punctio vesicae pin inner core 2 inserts punctio vesicae pin epitheca 1, described most advanced and sophisticated 21 ends from punctio vesicae pin epitheca stretch out, and the rear end of the positive stop lug boss 22 of punctio vesicae pin inner core 2 is provided with handle 23; Described punctio vesicae pin epitheca length is 15cm, and periphery directly is F16.

Referring to Fig. 3, as another embodiment, the punctio vesicae pin can be made the form of the Trocar trocar, the sidewall of one end of punctio vesicae pin epitheca 1 close positive stop lug boss 12 is provided with the air inlet pipe 13 with described channel connection, only be provided with in the described air inlet pipe 13 can air inlet Non-return air valve, preferably, Non-return air valve employing activity valve.

Referring to Fig. 4, Fig. 5 and Fig. 6, per urethram form by sewing needle epitheca 3, urethra sewing needle inner core 4 and urethra sewing needle buckle pin 5 with the urethra sewing needle for back urethra staight needle anastomosis, described urethra sewing needle epitheca 3 is provided with the passage of perforation vertically, the external diameter of urethra sewing needle inner core 4 and urethra sewing needle buckle pin 5 can pass in passage less than the internal diameter of described passage; One end of described urethra sewing needle epitheca 3 is along circumferentially being provided with positive stop lug boss 31, the head of described urethra sewing needle inner core 4 has most advanced and sophisticated 41, the afterbody of urethra sewing needle inner core is provided with positive stop lug boss 42, in the time of in urethra sewing needle inner core 4 inserts urethra sewing needle epitheca 3, described most advanced and sophisticated 41 ends from urethra sewing needle epitheca 3 stretch out; The rear end of the positive stop lug boss 42 of urethra sewing needle inner core 4 is provided with handle 43; The head of urethra sewing needle buckle pin 5 is provided with hook pin 51, the afterbody outer of urethra sewing needle buckle pin 5 is provided with positive stop lug boss 52, the rear end of positive stop lug boss 52 is provided with handle 53, in the time of in urethra sewing needle buckle pin 5 inserts urethra sewing needle epitheca 3, described hook pin 51 stretches out from an end of urethra sewing needle epitheca 3.

Described urethra sewing needle epitheca length is 15cm; Described urethra sewing needle epitheca specification is 20G.

Its operational approach is as follows:

1. after the patient is admitted to hospital secular bladder stoma is arranged more, as no fistulation person, the punctio vesicae fistulation of going ahead of the rest.Treat that fistula road, a week back forms row operation again.

2. improve further excretory urethrography inspection, clear and definite narrow length and position.

3. modus operandi: anesthesia back calculi position, the routine disinfection shop is single, filling bladder, from the other about 2CM of vesical fistula mouth, adopt under the localization by ultrasonic, the punctio vesicae pin is penetrated bladder after, extract punctio vesicae pin inner core, keep punctio vesicae pin epitheca (or set up gas bladder through the fistulation pipe, adopt 5mm Trocar trocar puncturing to set up passage again).

4. insert ureteroscope through punctio vesicae pin epitheca, observe back urethra situation from internal urethral orifice again.

5. insert the guiding urethral probe from internal urethral orifice under the ureteroscope direct-view, described urethral probe as shown in Figure 7.

6. under the guiding of urethral probe, adopt the U-shaped otch, successively separate urethra from perineal position, the excision cicatrix, free to normal back urethra near neck of bladder.

7. insert urethral probe from the perineal position urethra, sealing internal urethral orifice, filling bladder once more.

8. under ureteroscope direct-view, have the urethra sewing needle epitheca of urethra sewing needle inner core from 3,6,9 and 12 insertions of perineal position near-end urethra outer rim, go out pin from neck of bladder, enter urethra sewing needle buckle pin after extracting urethra sewing needle inner core.The B ureteroscope is sent the 3-0 absorbable thread into bladder with pliers, and an end per urethra sewing needle buckle pin is drawn, and the other end is drawn from urethra.

9. four pins are sewed up with the normal urethra of far-end respectively again, and toe-in is beaten in the urethra outside.

This method advantage is:

1 can not cut bladder, and operation wound is little.

2 ureteroscopies can be checked the posterior urethral stricture situation.

The direct-view of 3 ureteroscopies can enter urethral probe the back urethra down, as guiding, can be beneficial to from perineal position and separate the true road of urethra, back.

4 are sewn to direct-view carries out down, coincide more accurate and is convenient to and operate.The incidence rate that urethral stricture appears in postoperative is low.

The above is a preferred embodiment of the present utility model only, is not limited to this utility model, and obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model this utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of this utility model claim and equivalent technologies thereof, then this utility model also is intended to comprise these changes and modification interior.

Claims

1. urethra staight needle anastomosis urethra sewing needle after, it is characterized in that: per urethram sewing needle epitheca, urethra sewing needle inner core and urethra sewing needle buckle pin are formed, described urethra sewing needle epitheca is provided with the passage of perforation vertically, and the external diameter of urethra sewing needle inner core and urethra sewing needle buckle pin is less than the internal diameter of described passage.

2. back according to claim 1 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: an end of described urethra sewing needle epitheca is along circumferentially being provided with positive stop lug boss.

3. back according to claim 2 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: the head of described urethra sewing needle inner core has the tip, the afterbody of urethra sewing needle inner core is provided with positive stop lug boss, in the time of in urethra sewing needle inner core inserts urethra sewing needle epitheca, stretch out from an end of urethra sewing needle epitheca at described tip.

4. back according to claim 3 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: the rear end of the positive stop lug boss of urethra sewing needle inner core is provided with handle.

5. back according to claim 2 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: the head of urethra sewing needle buckle pin is provided with the hook pin, the afterbody of urethra sewing needle buckle pin is provided with positive stop lug boss, in the time of in urethra sewing needle buckle pin inserts urethra sewing needle epitheca, described hook pin stretches out from an end of urethra sewing needle epitheca.

6. back according to claim 5 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: the rear end of the positive stop lug boss of urethra sewing needle buckle pin is provided with handle.

7. according to each described back urethra staight needle anastomosis urethra sewing needle among the claim 1-6, it is characterized in that: described urethra sewing needle epitheca length is 15cm.

8. back according to claim 7 urethra staight needle anastomosis urethra sewing needle, it is characterized in that: described urethra sewing needle epitheca specification is 20G.