Outer sleeve split type bladder puncture fistulization needle

Abstract

The utility model discloses an outer sleeve split type bladder puncture fistulization needle, and relates to the technical field of fistulization needles. Comprising an outer protective shell, an inner threaded shell is arranged in the outer protective shell, a sliding groove is formed in the first end of the inner threaded shell, an opening and closing assembly is arranged in the sliding groove and comprises a sliding rod, the sliding rod is arranged in the sliding groove and slidably connected with the sliding groove, and a spring is fixedly connected to the bottom of the sliding rod. The bottom of the spring is fixedly connected with a fixing plate, and the first end of the fixing plate is fixed to the inner wall of the outer protective shell. The spring pushes the sliding rod to slide and move upwards in the sliding groove, meanwhile, the sliding rod drives the tooth groove to move upwards, the tooth groove drives the gear, the rotating shaft and the belt wheel to rotate, the belt wheel drives the rotating rod and the opening and closing plate to rotate and open the internal thread shell, follow-up cleaning operation is facilitated, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ostomy needles, in particular to an outer sleeve split type bladder puncture ostomy needle. Background Art

[0002] The outer tube split cystoscopic puncture and fistula needle is a medical device used to form a perforation in the bladder and establish a fistula. The existing outer tube split cystoscopic puncture and fistula needle (Announcement No.: CN2247003Y) has at least the following defects in use:

[0003] When the ostomy needle is not in use, it is generally protected by a protective shell. However, since the inside of the shell is sealed, it is inconvenient to clean and disinfect the inside of the shell after the protective shell is used, which reduces the convenience of using the device. Utility Model Content

[0004] The main purpose of the utility model is to provide an outer sleeve split bladder puncture and fistula needle, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The cam is provided with a plurality of teeth on the bottom of the sliding rod, and a plurality of teeth are provided on the bottom of the sliding rod, and a plurality of teeth are provided on the bottom of the sliding rod, and a plurality of teeth are provided on the bottom of the sliding rod, and a plurality of teeth are provided on the bottom of the sliding rod, and a plurality of teeth are provided on the bottom of the second end of the sliding rod, and a gear is meshed with the second end of the tooth. The center of the two sides of the gear passes through and is fixedly connected with a rotating shaft, and the two sides of the rotating shaft pass through the outer protective shell, and the two sides of the rotating shaft are fixedly connected with support seats, and a rotating rod passes through and is rotatably connected between the support seats, and the first sides of the rotating shaft and the rotating rod are fixedly connected with pulleys, and the pulleys are transmission-connected, and the outer wall of the rotating rod is fixedly connected with the opening and closing plate.

[0007] Preferably, the top of the internal thread shell is threadedly connected to a lower thread seat, and the top of the lower thread seat is fixedly connected to a mounting plate.

[0008] Preferably, an upper threaded seat is fixedly connected to the top of the mounting plate, and a fistula needle body is fixedly connected to the bottom of the lower threaded seat.

[0009] Preferably, the top of the sliding rod is in contact with the bottom of the lower threaded seat.

[0010] Preferably, a connecting plate is fixedly connected to the top of the outer protective shell and the internal threaded shell.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model uses a spring to push the sliding rod to slide upward inside the sliding groove. At the same time, the sliding rod drives the tooth groove to move upward, the tooth groove drives the gear, the rotating shaft, and the pulley to rotate, and the pulley drives the rotating rod and the opening and closing plate to rotate and open the internal threaded shell, which is convenient for subsequent cleaning operations and improves the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axial view of the utility model;

[0014] Figure 2 It is an exploded bottom view of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 This is a structural diagram of the opening and closing component of the utility model.

[0017] In the figure: 1. mounting plate; 2. upper threaded seat; 3. lower threaded seat; 4. fistula needle body; 5. outer protective shell; 6. inner threaded shell; 7. connecting plate; 8. opening and closing assembly; 801. sliding rod; 802. spring; 803. fixing plate; 804. tooth groove; 805. gear; 806. rotating shaft; 807. supporting seat; 808. rotating rod; 809. pulley; 810. opening and closing plate; 9. slide groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the process of perforating and ostomying the bladder, an ostomy needle is needed. The utility model provides an outer sleeve split type bladder puncture and ostomy needle, which is specially used for the perforating and ostomying operation of the bladder.

[0022] It should be emphasized that, in the present application, the ostomy needle body 4 is the prior art disclosed in Publication No. CN2247003Y. Example

[0023] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] An outer sleeve split bladder puncture fistula needle comprises an outer protective shell 5, an inner thread shell 6 is arranged inside the outer protective shell 5, a first end of the inner thread shell 6 is provided with a slide groove 9, an opening and closing component 8 is arranged inside the slide groove 9, and the opening and closing component 8 comprises a sliding rod 801, the sliding rod 801 is arranged inside the slide groove 9 and is slidably connected thereto, a spring 802 is fixedly connected to the bottom of the sliding rod 801, a fixing plate 803 is fixedly connected to the bottom of the spring 802, a first end of the fixing plate 803 is fixed to the inner wall of the outer protective shell 5, and a second end of the sliding rod 801 is fixed to the inner wall of the outer protective shell 5. A plurality of tooth grooves 804 are provided at the bottom of the end, and a gear 805 is meshed at the second end of the tooth groove 804, and a rotating shaft 806 passes through and is fixedly connected to the center of both sides of the gear 805, and both sides of the rotating shaft 806 pass through the outer protective shell 5, and both sides of the first end of the bottom of the outer protective shell 5 are fixedly connected with support seats 807, and a rotating rod 808 passes through and is rotatably connected between the support seats 807, and the first sides of the rotating shaft 806 and the rotating rod 808 are fixedly connected with pulleys 809, and the pulleys 809 are transmission-connected, and the outer wall of the rotating rod 808 is fixedly connected with an opening and closing plate 810.

[0025] In this embodiment, the spring 802 pushes the sliding rod 801 to slide upward inside the sliding groove 9. At the same time, the sliding rod 801 drives the tooth groove 804 to move upward, and the tooth groove 804 drives the gear 805, the rotating shaft 806, and the pulley 809 to rotate. The pulley 809 drives the rotating rod 808 and the opening and closing plate 810 to rotate and open the internal threaded shell 6, which facilitates subsequent cleaning operations and improves the ease of use of the device.

[0026] The top thread inside the internal thread shell 6 is connected to the lower thread seat 3, the top of the lower thread seat 3 is fixedly connected to the mounting plate 1, the top of the mounting plate 1 is fixedly connected to the upper thread seat 2, the bottom of the lower thread seat 3 is fixedly connected to the fistula needle body 4, the top of the sliding rod 801 is in contact with the bottom of the lower thread seat 3, and the top of the outer protective shell 5 and the internal thread shell 6 are fixedly connected to the connecting plate 7.

[0027] In this embodiment, by rotating the lower thread seat 3 to enter the internal thread shell 6, the lower thread seat 3 presses down the sliding rod 801, and the sliding rod 801 slides down along the inside of the slide groove 9. Synchronously, the sliding rod 801 compresses the spring 802 on the fixed plate 803. At the same time, the tooth groove 804 drives the gear 805, the rotating shaft 806, and the pulley 809 to rotate. The pulley 809 drives the rotating rod 808 and the opening and closing plate 810 to rotate and close the outer protective shell 5, thereby realizing the closed protection of the fistula needle body 4.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An outer sleeve split cystostomy needle, comprising an outer protective shell (5), characterized in that: An internal thread shell (6) is arranged inside the outer protective shell (5); a slide groove (9) is provided at the first end of the internal thread shell (6); an opening and closing assembly (8) is arranged inside the slide groove (9); the opening and closing assembly (8) comprises a sliding rod (801); the sliding rod (801) is arranged inside the slide groove (9) and is slidably connected thereto; a spring (802) is fixedly connected to the bottom of the sliding rod (801); a fixing plate (803) is fixedly connected to the bottom of the spring (802); a first end of the fixing plate (803) is fixed to the inner wall of the outer protective shell (5); a plurality of tooth grooves are provided at the bottom of the second end of the sliding rod (801); (804), a gear (805) is meshed at the second end of the tooth groove (804), a rotating shaft (806) passes through the center of both sides of the gear (805) and is fixedly connected, both sides of the rotating shaft (806) pass through the outer protective shell (5), both sides of the first end of the bottom of the outer protective shell (5) are fixedly connected to support seats (807), a rotating rod (808) passes through and is rotatably connected between the support seats (807), the first sides of the rotating shaft (806) and the rotating rod (808) are fixedly connected to pulleys (809), the pulleys (809) are transmission-connected, and the outer wall of the rotating rod (808) is fixedly connected to an opening and closing plate (810).

2. The outer sleeve split cystoscopic fistula needle according to claim 1, characterized in that: The top of the internal thread shell (6) is threadedly connected to a lower thread seat (3), and the top of the lower thread seat (3) is fixedly connected to a mounting plate (1).

3. The outer sleeve split cystoscopic fistula needle according to claim 2, characterized in that: An upper threaded seat (2) is fixedly connected to the top of the mounting plate (1), and a fistula needle body (4) is fixedly connected to the bottom of the lower threaded seat (3).

4. The outer sleeve split cystoscopic fistula needle according to claim 2, characterized in that: The top of the sliding rod (801) is in contact with the bottom of the lower threaded seat (3).

5. The outer sleeve split cystoscopic fistula needle according to claim 1, characterized in that: A connecting plate (7) is fixedly connected to the top of the outer protective shell (5) and the internal thread shell (6).

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