阅读说明：本技术 牙齿根管防腐冲洗微型设置 (Tooth root canal anticorrosion flushing micro-device ) 是由 钟长青 于 2019-04-21 设计创作，主要内容包括：牙齿根管防腐冲洗微型设置,手柄壳右上部安装三通接头,三通接头安装冲洗软管和回水软管,回水软管和冲洗软管在三通接头内互相连接之间设有密封橡皮圈,三通接头右端与冲洗针头连接,冲洗针头内设有冲洗杆,冲洗杆中间设有定位珠,冲洗杆通过定位珠和密封橡皮圈,冲洗针头右端连接弯针头,弯针头内有冲洗杆通过；握住手柄壳,冲洗软管连接外置牙科供液器,向手柄壳供应冲洗药物,回水软管连接外置牙椅储水瓶,向手柄壳提供清水,可以边用药物冲洗,边用清水稀释药物,降低药物的刺激性,或回水软管连接外置牙椅吸唾器,向手柄壳提供吸引力,可以边用药物冲洗,边回吸弃药水；本技术的有益效果是：操作方便,提高了临床工作效率。(The tooth root canal anti-corrosion washing micro-device is characterized in that a three-way joint is arranged at the upper right part of a handle shell, a washing hose and a backwater hose are arranged on the three-way joint, a sealing rubber ring is arranged between the three-way joint and the backwater hose which are mutually connected, the right end of the three-way joint is connected with a washing needle head, a washing rod is arranged in the washing needle head, a positioning bead is arranged in the middle of the washing rod, the washing rod passes through the positioning bead and the sealing rubber ring, the right end of the washing needle head is connected with a bent needle; the handle shell is held, the flushing hose is connected with the external dental liquid supply device to supply flushing medicines to the handle shell, the water return hose is connected with the external dental chair water storage bottle to provide clear water to the handle shell, the medicines can be flushed while the medicines are diluted by the clear water to reduce the irritation of the medicines, or the water return hose is connected with the external dental chair saliva sucker to provide attraction to the handle shell, and the medicine can be flushed while the liquid medicine is sucked back; the beneficial effect of this technique is: convenient operation and improves the clinical work efficiency.)

1. Tooth root canal anticorrosion is washed miniature setting, characterized by: a three-way joint (6) is arranged at the upper right part of a handle shell (1), a flushing hose (2) and a water return hose (3) are arranged on the three-way joint (6), the water return hose (3) and the flushing hose (2) are connected with each other in the three-way joint (6) through a sealing rubber ring (5), the right end of the three-way joint (6) is connected with a flushing needle (7), a flushing rod (9) is arranged in the flushing needle (7), a positioning bead (10) is arranged in the middle of the flushing rod (9), the flushing rod (9) passes through the positioning bead (10) and the sealing rubber ring (5), the right end of the flushing needle (7) is connected with a bent needle (8), the flushing rod (9) passes through the bent needle (8), a manual pinch valve (4) is arranged at the lower right part of the handle shell (1), fixing rods (12) are arranged at the two sides of the manual pinch valve (4), the manual pinch valve (4) is connected with the handle, the middle of the manual pinch valve (4) is provided with a central valve rod (13), one end of the central valve rod (13) is connected with a button (11), the middle of the central valve rod (13) is connected with an adjusting screw (14) and a spring (15), two sides of the central valve rod (13) are connected with flaring guide pillars (18), the lower part of the central valve rod (13) is provided with a water return hose sleeve hole (16) and a washing hose sleeve hole (17), the left lower part of the washing hose (2) passes through the washing hose sleeve hole (17), and the left lower part of the water return hose (3) passes through the water return hose sleeve hole (16).

Technical Field

The invention belongs to the field of medical appliances, and particularly relates to a tooth root canal antiseptic flushing micro-device.

Background

The root canal flushing is an important step of tooth root canal treatment, which can clean up the debris in the root canal, dissolve the residual dental pulp tissue, eliminate and control the infection in the root canal, the common flushing tool adopts an injector, the flushing medicine needs to be frequently added, the flushing is inconvenient, the injector needs to be frequently replaced, and the flushing medicine has certain irritation, which brings inconvenience to clinical work.

Disclosure of Invention

The tooth root canal antiseptic flushing micro-device adopts the mode that the flushing needle head is connected with the handle, and can solve the defects.

In order to achieve the above object, the present invention is realized in the following manner: a three-way joint is arranged at the upper right part of the handle shell, a flushing hose and a water return hose are arranged on the three-way joint, a sealing rubber ring is arranged between the mutual connection of the water return hose and the flushing hose in the three-way joint, the right end of the three-way joint is connected with a flushing needle head, a flushing rod is arranged in the flushing needle head, a positioning bead is arranged in the middle of the flushing rod, the flushing rod passes through the positioning bead and the sealing rubber ring, the right end of the flushing needle head is connected with a bent needle head, the flushing rod passes through the bent needle head, a manual pinch valve is arranged at the lower right part of the handle shell, fixing rods are arranged at two sides of the manual pinch valve, the manual pinch valve is connected with the handle shell, the lower end of the fixing rods is connected with an expanding guide pillar, a central valve rod is arranged in the middle of the manual pinch valve, one end of the central valve rod is connected with a, the left lower part of the water return hose passes through a water return hose sleeve hole; holding the handle shell, connecting the flushing hose with an external dental liquid supply device, supplying flushing medicine to the handle shell, connecting the return hose with an external dental chair water storage bottle, supplying clear water to the handle shell, flushing with medicine while diluting the medicine with the clear water, reducing irritation of the medicine, or connecting the return hose with an external dental chair saliva aspirator, providing attraction force to the handle shell, flushing with medicine while sucking back abandoned medicine, pressing a switch button of a manual pinch valve, fixing the handle shell in a fixed state by connecting a flared guide post with a fixed rod, moving a central valve rod and an adjusting screw together with a compression spring backwards, driving a return hose sleeve hole, a flushing hose sleeve hole and a hose in the flushing hose sleeve hole to be separated from the flared guide post, and relaxing the hose in a dredging state, so that the medicine in the flushing hose continuously passes through a sealing rubber ring and enters a flushing rod in a flushing needle head into a dental root tube, the central valve rod is pushed by the spring force (if necessary, the position of an adjusting screw on the central valve rod can be adjusted so as to increase or reduce the elastic force), the central valve rod is reset forwards to drive the sleeve hole of the backwater hose, the sleeve hole of the flushing hose and the hose in the central valve rod to be clamped and plugged into the flaring guide post, the hose is extruded to cut off the flow of the medicine, and therefore the operation program is completed.

The beneficial effect of this technique is: simple structure, convenient operation, the cost of manufacture is low, has improved clinical work efficiency.

The present invention will be described in further detail with reference to the following drawings and specific examples.

Drawings

In the figure, 1, a handle shell, 2, a flushing hose, 3, a water return hose, 4, a manual pinch valve, 5, a sealing rubber ring, 6, a three-way joint, 7, a flushing needle, 8, a bent needle, 9, a flushing rod, 10, a positioning ball, 11, a button, 12, a fixing rod, 13, a central valve rod, 14, an adjusting screw, 15, a spring, 16, a water return hose sleeve hole, 17, a flushing hose sleeve hole and 18, a flaring guide post are arranged.

FIG. 1 is a schematic view of a tooth root canal erosion irrigation micro-setup structure according to the present invention;

FIG. 2 is a schematic view of the micro-set manual pinch valve structure for the anti-erosion irrigation of tooth root canal according to the present invention;

fig. 3 is a schematic view of the structure of the miniature set irrigation needle for the root canal erosion irrigation of the tooth of the invention.

Detailed Description

According to the tooth root canal anti-corrosion washing micro-device shown in the figures 1, 2 and 3, a three-way joint 6 is arranged at the upper right part of a handle shell 1, a washing hose 2 and a water return hose 3 are arranged on the three-way joint 6, a sealing rubber ring 5 is arranged between the mutual connection of the water return hose 3 and the washing hose 2 in the three-way joint 6, the right end of the three-way joint 6 is connected with a washing needle 7, a washing rod 9 is arranged in the washing needle 7, a positioning bead 10 is arranged in the middle of the washing rod 9, the washing rod 9 passes through the positioning bead 10 and the sealing rubber ring 5, the right end of the washing needle 7 is connected with a bent needle 8, the washing rod 9 passes through the bent needle 8, a manual pinch valve 4 is arranged at the lower right part of the handle shell 1, fixing rods 12 are arranged at two sides of the manual pinch valve 4, the manual pinch valve 4 is connected with the handle shell 1, the lower, the middle of the central valve rod 13 is connected with an adjusting screw 14 and a spring 15, two sides of the central valve rod 13 are connected with flaring guide pillars 18, the lower part of the central valve rod 13 is provided with a water return hose sleeve hole 16 and a flushing hose sleeve hole 17, the left lower part of the flushing hose 2 passes through the flushing hose sleeve hole 17, and the left lower part of the water return hose 3 passes through the water return hose sleeve hole 16.

The operation procedure is as follows:

holding the handle shell 1, connecting the flushing hose 2 with an external dental liquid supply device, supplying flushing medicine to the handle shell 1, connecting the return hose 3 with an external dental chair water storage bottle, supplying clear water to the handle shell 1, flushing with medicine while diluting the medicine with the clear water, reducing irritation of the medicine, or connecting the return hose 3 with an external dental chair saliva aspirator, providing attraction force to the handle shell 1, flushing with the medicine while sucking away the liquid medicine, pressing the switch button 11 of the manual pinch valve 4, fixing the handle shell 1 in a fixed state because the guide post 12 is connected with the flared guide post 18, compressing the spring 15 by the central valve rod 13 together with the adjusting screw 14 to move backwards, driving the return hose sleeve hole 16, the flushing hose sleeve hole 17 and the hose therein to be separated from the guide post flared guide post 18, relaxing the hose to be in a dredging state, and enabling the medicine in the flushing hose 2 to continuously pass through the sealing rubber ring 5, the washing rod 9 in the washing needle 7 enters the root canal of the tooth, the positioning ball 10 in the middle of the washing rod 9 has the fixing function to prevent the washing rod 9 from moving back and forth in the washing needle 7, meanwhile, the return water hose 3 continuously dilutes the washing medicine or sucks the liquid medicine back and abandons the medicine around the root canal orifice through the three-way joint 6 and the bent needle 8, the central valve rod 13 is pushed by the elasticity of the spring 15 (if necessary, the position of the adjusting screw 14 on the central valve rod 13 can be adjusted to increase or decrease the elasticity), the central valve rod 13 is reset forwards to drive the return water hose sleeve hole 16, the washing hose sleeve hole 17 and the hose in the return water hose sleeve hole to be clamped and plugged in the flaring guide post 18, the hose is squeezed to cut off the medicine flow, thereby the operation procedure is completed, the whole operation procedure is controlled by squeezing and loosening the hose through the manual pipe clamping valve 4, has the anti-, no cross contamination.