Small urethra bladder anastomat

Abstract

A small urethra and bladder anastomat effectively solves the problems that when a urethra and a bladder are manually sutured, time and labor are wasted, and the suturing effect is poor. Comprising a main body shell, a left-right axial connecting pipe is arranged at the left end of the main body shell, a screw placing pipe is coaxially arranged at the left end of the connecting pipe, an annular screw placing block is coaxially and detachably connected into the screw placing pipe, a plurality of screw placing grooves evenly distributed in the circumferential direction of the screw placing block are formed in the left end of the screw placing block, and U-shaped titanium screws are detachably connected into the screw placing grooves; a movable pipe which is coaxial with the connecting pipe and can slide left and right is arranged on the supporting plate, the left end of the movable pipe is inserted into the connecting pipe and is in threaded connection with a connecting column, the left end of the connecting column extends out of the nail placing pipe and is provided with a nail abutting seat, and an annular cutter which can slide left and right is coaxially arranged in the connecting pipe; a push plate which is positioned on the right side of the screw placing block and can be in contact with the screw placing block is coaxially arranged on the annular cutter; the device is simple in structure, novel in conception, convenient to use and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary instruments for treating urinary diseases, in particular to a small urethra-bladder anastomosis device. Background Art

[0002] Some patients with urinary diseases need to have the diseased urethra removed. After the diseased urethra is removed, the bladder needs to be connected to the remaining urethra to restore the continuity of the urethra, thereby ensuring that the patient can urinate and live normally. Since there are no related anastomosis devices for the urinary system on the market, doctors can only manually suture. However, manual suturing has the following defects: the operation is cumbersome, time-consuming and labor-intensive, and the tightness and tightness of the suture cannot be kept completely consistent, which can easily lead to fistulas and cause secondary injuries to patients. Utility Model Content

[0003] In view of the above situation, in order to make up for the deficiencies of the prior art, the purpose of the utility model is to provide a small urethral bladder stapler, which effectively solves the problem of time-consuming and labor-intensive manual suturing of the urethra and bladder and poor suturing effect.

[0004] The technical solution is as follows: the utility model comprises a main body shell, a left end of the main body shell is provided with a left-right axial connecting tube, a left end of the connecting tube is coaxially provided with a nail placing tube, a ring-shaped nail placing block is coaxially detachably connected in the nail placing tube, a plurality of nail placing grooves evenly distributed along its circumferential direction are opened at the left end of the nail placing block, a U-shaped titanium nail is detachably connected in the nail placing groove, a supporting plate is provided in the main body shell, a movable tube coaxial with the connecting tube and capable of sliding left and right is provided on the supporting plate, the left end of the movable tube is inserted into the connecting tube and is threadedly connected with a connecting column, the left end of the connecting column extends out of the nail placing tube and is provided with a nail stop, a ring-shaped annular knife is coaxially provided in the connecting tube and capable of sliding left and right, a push plate located on the right side of the nail placing block and capable of contacting the nail placing block is coaxially provided on the annular knife.

[0005] Compared with the prior art, the utility model has the beneficial effects of being able to anastomose the bladder and urethra through titanium staples, which is simple to operate, saves time and effort, and at the same time, the suture is tight and of appropriate tightness, preventing complications such as fistulas after surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is the main axonometric drawing of the utility model.

[0007] Figure 2 It is a full-section main axonometric drawing of the utility model.

[0008] Figure 3 It is a full-section right-view axonometric drawing of the utility model.

[0009] Figure 4 It is an axonometric drawing of the central nail block of the utility model.

[0010] Figure 5 This utility model Figure 2 A is an enlarged view of the middle image. DETAILED DESCRIPTION

[0011] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0012] Depend on Figures 1 to 5 It is given, including a main body shell 1, a left end of the main body shell 1 is provided with a left-right axial connecting tube 2, a left end of the connecting tube 2 is coaxially provided with a nail placing tube 3, a coaxial annular nail placing block 4 is detachably connected in the nail placing tube 3, a plurality of nail placing grooves 5 evenly distributed along its circumferential direction are opened at the left end of the nail placing block 4, a U-shaped titanium nail 6 is detachably connected in the nail placing groove 5, a support plate 7 is provided in the main body shell 1, a movable tube 8 which is coaxial with the connecting tube 2 and can slide left and right is provided on the support plate 7, the left end of the movable tube 8 is inserted into the connecting tube 2 and is threadedly connected with a connecting column 9, the left end of the connecting column 9 extends out of the nail placing tube 3 and is provided with a nail support seat 10, an annular annular knife 11 which can slide left and right is coaxially provided in the connecting tube 2, and a push plate 12 which is located on the right side of the nail placing block 4 and can contact with the nail placing block 4 is coaxially provided on the annular knife 11.

[0013] In order to make the moving tube 8 slide left and right, the moving tube 8 is slidably connected to the support plate 7 , and the right end of the main body shell 1 is rotatably connected to a threaded tube 13 which is coaxial with the moving tube 8 and threadedly connected to the moving tube 8 .

[0014] In order to facilitate the rotation of the threaded tube 13 , the right end of the threaded tube 13 passes through the main shell 1 and is coaxially provided with a knob 14 .

[0015] In order to make the annular knife 11 move left and right, the right end of the annular knife 11 is provided with an annular connecting plate 15, and the left end of the support plate 7 is provided with a sliding column 16 located above the moving tube 8 and axially left and right. A U-shaped slider 17 is slidably connected to the sliding column 16, and connecting rods 18 are respectively provided on the upper and lower sides of the left end of the slider 17, and the left end of the connecting rod 18 is connected to the connecting plate 15.

[0016] In order to allow the slider 17 to slide, a rectangular groove is provided at the lower end of the main shell 1, in which a swing plate 19 is hinged. The upper side of the swing plate 19 is located in the slider 17 and has a waist-shaped groove 20. The slider 17 is provided with a column inserted into the waist-shaped groove 20.

[0017] In order to facilitate the reset of the slider 17 , a tension spring is mounted on the slide post 16 and is located between the slider 17 and the support plate 7 .

[0018] For ease of use, an annular firing handle 21 is provided at the lower end of the swing plate 19 , and a grip is provided at the right side of the swing plate 19 at the lower end of the main body shell 1 .

[0019] When the utility model is in use, when it is necessary to anastomose the bladder and urethra, first rotate the knob 14 counterclockwise to drive the threaded tube 13 to rotate, thereby driving the movable tube 8 to move left, and the movable tube 8 drives the connecting column 9 to move left. When the left end of the movable tube 8 moves to the outside of the nail placement tube 3, stop rotating the knob 14, then rotate the nail support 10 to remove the nail support 10 from the rotating tube, at this time, the nail support 10 and the connecting column 9 are separated from the movable tube 8, and the nail support 10 is placed in the bladder, and then the bladder purse is sutured and the connecting column 9 is exposed. After the purse is sutured, the nail placement tube 3 and the connecting tube 2 are inserted into the patient's urethra until below the bladder, and then the connecting column 9 exposed outside the purse is reinserted into the movable tube 8 in the patient's body and rotated to reconnect the connecting column 9 with the movable tube 8. After the connection is completed, rotate the knob 14 counterclockwise at this time, the knob 14 drives the movable tube 8 to move right, and then drives the connecting column 9 and the nail support 10 to move right.

[0020] The anvil 10 drives the bladder purse to move to the right, and after moving a certain distance, it contacts and presses the urethral stump, so that the purse and the urethral stump are clamped between the anvil 10 and the nail placement tube 3. At this time, the firing handle 21 is pressed to the right, and the firing handle 21 drives the upper end of the swing plate 19 to swing to the left, and then drives the slider 17 to move to the left through the insertion column. The slider 17 drives the annular knife 11 and the push plate 12 to move to the left through the connecting rod 18. After moving to the left for a certain distance, the push plate 12 contacts the nail placement block 4 and drives the nail placement block 4 and its upper The titanium nail 6 moves to the left. After moving to the left for a distance, the left end of the titanium nail 6 penetrates the urethral stump and the bladder purse and is squeezed by the nail seat 10 and bent into a B shape to achieve suturing of the bladder and the nail seat 10. At the same time, the annular knife 11 contacts the purse and cuts off the purse part inside a circle of suture nails. After completing the suturing, release the firing handle 21, the annular knife 11 and the nail block 4 return to the initial position, and the titanium nail 6 moves out of the nail slot 5. At this time, the nail seat 10 and the connecting tube 2 can be taken out of the patient's urethra.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the nail placement block, titanium nails, nail support, etc. are provided, which can realize the anastomosis of the bladder and the urethra through the titanium nails. Compared with the traditional manual suturing, the operation is simple, time-saving and labor-saving. At the same time, the suturing is tight and the tightness is appropriate, which can prevent the occurrence of complications such as fistula after surgery. The structure is simple, the conception is novel, the use is convenient, and the practicability is strong.

Claims

1. A small urethra-vesical anastomosis device, comprising a main body shell (1), characterized in that: A connecting tube (2) with a left-right axial direction is provided at the left end of the main body shell (1), a nail placing tube (3) is coaxially provided at the left end of the connecting tube (2), an annular nail placing block (4) is coaxially detachably connected in the nail placing tube (3), a plurality of nail placing grooves (5) evenly distributed along the circumferential direction of the nail placing block (4) are provided at the left end, a U-shaped titanium nail (6) is detachably connected in the nail placing groove (5), a supporting plate (7) is provided in the main body shell (1), a movable tube (8) coaxial with the connecting tube (2) and slidable left and right is provided on the supporting plate (7), the movable tube (8) is inserted into the connecting tube (2) at the left end and is threadedly connected to a connecting column (9), the connecting column (9) protrudes from the nail placing tube (3) at the left end and is provided with a nail stop seat (10), an annular annular knife (11) is coaxially provided in the connecting tube (2) and slidable left and right, a push plate (12) is coaxially provided on the annular knife (11) and is located on the right side of the nail placing block (4) and can contact the nail placing block (4).

2. A small urethra-vesical stapler according to claim 1, characterized in that: The movable tube (8) is slidably connected to the support plate (7), and the right end of the main body shell (1) is rotatably connected to a threaded tube (13) which is coaxial with the movable tube (8) and threadedly connected to the movable tube (8).

3. A small urethra-vesical anastomosis device according to claim 2, characterized in that: The right end of the threaded tube (13) passes through the main shell (1) and is coaxially provided with a knob (14).

4. A small urethra-vesical stapler according to claim 1, characterized in that: The right end of the annular knife (11) is provided with an annular connecting plate (15), the left end of the support plate (7) is provided with a sliding column (16) located above the moving tube (8) and in the left and right axial direction, the sliding column (16) is slidably connected with a U-shaped sliding block (17), the left end of the sliding block (17) is provided with connecting rods (18) on the upper and lower sides respectively, and the left end of the connecting rod (18) is connected to the connecting plate (15).

5. A small urethra-vesical stapler according to claim 1, characterized in that: The main body shell (1) has a rectangular groove at its lower end, a swing plate (19) is hinged in the rectangular groove, the swing plate (19) is located in the slider (17) on its upper side and has a waist-shaped groove (20), and the slider (17) is provided with an insertion column inserted into the waist-shaped groove (20).

6. A small urethra-vesical stapler according to claim 4, characterized in that: The sliding column (16) is provided with a tension spring located between the sliding block (17) and the supporting plate (7).

7. A small urethra-vesical stapler according to claim 5, characterized in that: The lower end of the swing plate (19) is provided with an annular firing handle (21), and the lower end of the main body shell (1) is provided with a grip located on the right side of the swing plate (19).

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