CN111773108A - A device for preventing slippage of medical esophageal stent traction wire - Google Patents

Abstract

The invention discloses a medical esophagus stent traction wire anti-falling device, comprising a nose fixing device and an ear fixing device; the nose fixing device and the ear fixing device are connected by an elastic band; the nose fixing device comprises a fixing plate, which is fixed The plate is provided with a nasal plug pad, and the fixed plate is also rotatably connected with a scale plate; the ear fixing device includes an arc-shaped bracket that fits the contour of the patient's ear, and a rubber cushion is arranged on the arc-shaped bracket. A traction wire locking device is also provided; the present invention has a simple structure through the cooperation between the nose fixing device, the ear fixing device and the elastic band, which can fix the traction wire of the patient's esophagus support and prevent the esophageal support from being displaced during use. And slippage, and can quantify the slight sliding of the traction wire, and also prevent the traction wire from causing pressure ulcers on the patient's nasal cavity and face.

Description

A device for preventing slippage of medical esophageal stent traction wire

technical field

The invention relates to an external fixation device for a medical esophagus bracket, in particular to a device for preventing slippage of a traction wire of a medical esophagus bracket.

Background technique

At present, there are many clinical patients with esophageal stenosis due to different reasons. Therefore, it is necessary to place an esophageal stent at the esophageal stenosis to open the stenosis. However, due to factors such as gravity and the patient's own esophageal peristalsis, the esophageal stent is easy to slip. Therefore, a traction wire is often used to connect the esophageal stent and lead it out from the patient's nasal cavity, and then fix the traction wire to the patient's face or ears. However, due to the patient's daily facial activities, the tension of the traction wire will change, which is still easy to cause the esophageal stent to slip. , and because the traction line is thin, it is easy to cause damage to the patient's nasal mucosa, and cause pressure ulcers on the patient's nasal alar; because there is no mark on the traction line, and the length of the lead-out part is different, medical staff cannot visually check the traction Whether the line is displaced.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is, in view of the above shortcomings of the prior art, a medical esophagus stent traction wire anti-slip device is proposed. The invention can fix the traction wire of the patient's esophageal stent and prevent the esophageal stent from being displaced and slipping during use. , and can quantitatively display the slight sliding of the traction wire, and at the same time, it can prevent the traction wire from causing pressure ulcers on the patient's nasal cavity and face, and has the advantages of convenient operation, safety and reliability, simple structure and low cost.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is realized in the following manner: a medical esophagus stent traction wire anti-slip device, including a nose fixing device and an ear fixing device, and a nose fixing device and an ear fixing device. connected by an elastic band and a fixing band;

The nasal fixation device includes a fixing plate, a nasal obstruction cushion and a nasal obstruction tube. Both ends of the fixing plate in the length direction are respectively connected with an elastic band and a fixing belt. The fixing plate is provided with a ventilation threaded hole corresponding to the patient's unilateral nasal cavity. One end in the thickness direction is connected with the fixing plate, and the position corresponding to the ventilation threaded hole on the nasal plug cushion is provided with a through hole, and the nasal plug tube passes through the nasal plug cushion and is connected with the ventilation threaded hole on the fixing plate 1; the fixing plate is also provided with a displacement Quantitative display device;

One end of the elastic band away from the fixing plate is provided with a connecting plate, and one end of the connecting plate along its length direction is provided with a fixing pin hole;

The ear fixing device includes an arc-shaped bracket that fits the contour of the patient's ear. One end of the arc-shaped bracket is provided with a fixing shaft, the fixing shaft passes through the fixing pin hole and is rotatably connected with the fixing pin hole, and the other end of the arc-shaped bracket is also connected. With traction wire locking device;

The traction wire locking device includes a wire holder that is thermally fused to one end of the arc-shaped bracket and a locking nut that is threadedly connected to the wire holder. Formed crimping bosses.

The technical scheme that the present invention is further limited is:

The nasal plug cushion is provided with an outwardly formed conical cone along its thickness direction and one end face away from the fixing plate, and the conical cone is set corresponding to the position of the through hole on the nasal plug cushion; It not only facilitates the fixation of the nasal obstruction cushion with the patient's nasal cavity, but also increases the comfort.

The nasal plug tube is composed of a hard plastic tube and a soft rubber hose. The plastic tube on the nasal plug tube is threaded with the ventilation threaded hole. The rubber hose on the nasal plug tube is along its length and away from the plastic tube. The end is a cone The nasal obstruction tube is set up to prevent the traction line from causing pressure ulcers on the patient's nose; the nasal obstruction tube and the fixing plate are connected by threads, which can be easily disassembled and cleaned.

The displacement quantification display device includes a pin shaft, a rotating sleeve and a rubber ring. The pin shaft is vertically arranged on the end face of the fixing plate, and the pin shaft is arranged close to the elastic band. The pin shaft and the fixing plate are connected by threads; the free end of the pin shaft is provided with An integrally formed dial, the dial is provided with scale values along the circumferential direction; the rotating sleeve is sleeved on the pin shaft, the outer surface of the rotating sleeve is provided with a rubber ring that is glued and fixed, and the outer surface of the rubber ring along its radial direction is provided with multiple There is an annular winding groove, and the rubber ring is provided with a marked arrow along its axial direction and one end close to the dial; through the displacement quantification display device, the slight displacement of the traction wire can be quantified and displayed, which is convenient for medical staff to observe in real time.

The outer surface of the elastic band is provided with a plurality of traction line limit blocks at intervals along its length direction, and each traction line limit block is provided with a wire hole, and the traction line limit block and the elastic band are connected by heat fusion; After the traction wire is drawn out from the patient's nasal cavity, it passes through the traction wire limit block along the length of the elastic band to prevent the traction wire from directly contacting the patient's face, thereby preventing pressure ulcers on the patient's face.

The fixing belt is made of elastic and breathable fabric; when the fixing belt is in contact with the patient's face, it has a stretchable space and is breathable, which increases comfort

Winding piles are vertically arranged on the outer surface of the connecting plate, and the head of the winding piles is a sphere; the winding piles are arranged so that the traction wire can be wound around the winding piles, and the traction wire can be fixed for the first time to prevent slipping.

The arc-shaped bracket is provided with a rubber cushion along its outer surface, the outer surface of the rubber cushion is provided with an inwardly formed traction wire limit groove along its outline, and one end of the rubber cushion is also provided with a hook and loop for sewing connection with needles and threads. The connecting belt, the Velcro connection belt and the fixing belt are connected by Velcro along the length direction and the end away from the fixing plate; the rubber cushion is provided to make the patient more comfortable, and the traction wire limit groove is set on the rubber cushion to guide the traction wire , to prevent the traction wire from contacting the patient's ear and causing pressure ulcers.

The beneficial effects of the present invention are: through the technical solution of the present invention, a medical esophagus stent traction wire fixing device is provided, and through the cooperation between the nose fixing device, the ear fixing device and the elastic band, the structure is simple, and the patient's esophageal stent can be pulled. The wire is further fixed to prevent displacement and slippage of the esophageal stent during use, and can also prevent the traction wire from causing pressure ulcers on the patient's nasal cavity and face; the displacement quantitative display device can be used to quantify the subtle sliding of the traction wire; Change the position of the nasal fixation device and the patient's nasal cavity according to the position of the line.

Description of drawings

Fig. 1 is the appearance structure schematic diagram of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is a sectional view at A-A in Fig. 2;

Fig. 4 is a partial enlarged view at C in Fig. 3;

Figure 5 is a sectional view at B-B in Figure 2;

Fig. 6 is a partial enlarged view at D in Fig. 5;

Among them: 1-fixing plate, 1a-ventilation thread hole, 2-nasal plug cushion, 2a-conical cone, 3-nasal plug tube, 4-elastic band, 4a-fixing strap, 5-connecting plate, 5a-fixing pin hole, 6-Arc bracket, 6a-fixed shaft, 6b-fixed nut, 7-pin shaft, 7a-scale dial, 8-rotating sleeve, 9-rubber ring, 9a-winding groove, 10-traction wire limit block, 10a-wire hole, 11-winding pile, 12-rubber cushion, 12a-pulling wire limit slot, 13-cable holder, 14-lock nut, 14a-cable slot, 15-velcro connecting belt.

Detailed ways

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention.

Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art can obtain all other implementations without creative work. For example, all belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components, for those of ordinary skill in the art, The specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

As shown in Figure 1, a medical esophagus stent traction wire anti-slip device is characterized in that it includes a nose fixing device and an ear fixing device, and an elastic band 4 and a The root fixing strap 4a is connected.

The nose fixing device includes a fixing plate 1, a nasal obstruction cushion 2 and a nasal obstruction tube 3. Both ends of the fixing plate 1 in the length direction are respectively connected with an elastic band 4 and a fixing band 4a. The fixing plate 1 is provided with a ventilation corresponding to the patient's unilateral nasal cavity. Threaded hole 1a, one end of the nasal plug cushion 2 along its thickness direction is connected with the fixing plate 1, and the nasal plug cushion 2 is in soft contact with the patient's nose, which can prevent pressure sores; and the position of the nasal plug cushion 2 corresponding to the ventilation threaded hole 1a is set. There are through holes for exchanging air between the patient's nasal cavity and the outside world; the nasal obstruction tube 3 passes through the nasal obstruction cushion 2 and is connected with the ventilation threaded hole 1a on the fixing plate 1; The subtle displacement quantification is displayed.

One end of the elastic band 4 away from the fixing plate 1 is provided with a connecting plate 5, which is generally made of hard plastic; one end of the connecting plate 5 along its length direction is provided with a fixing pin hole 5a.

As shown in FIG. 3 , the ear fixing device includes an arc-shaped bracket 6 that fits the contour of the patient’s ear. The arc-shaped bracket 6 can be sleeved behind the patient’s ear, and is connected to the band 15 by the elastic band 4, the fixing band 4a and the Velcro. The nose fixing device is fixed with the patient's nasal cavity; one end of the arc-shaped bracket 6 is provided with a fixed shaft 6a, the fixed shaft 6a passes through the fixed pin hole 5a, and is rotatably connected with the fixed pin hole 5a, and the fixed shaft 6a is also provided with The threaded fixing nut 6b is detachable between the arc-shaped bracket 6 and the connecting plate 5. When changing the position of the nose fixing device on the left and right nasal cavity of the patient, the nose fixing device and the elastic band 4 can be turned over to fix the nose. The device extends into the nasal cavity on the other side of the patient, the elastic band 4 is pressed against the cheek on the other side of the patient, and then the fixing shaft 6a on the arc-shaped bracket 6 is inserted into the fixing pin hole 5a, and the fixing nut 6b is tightened. The connecting plate 5 on the elastic band 4 is fixed, and the arc-shaped bracket 6 can be fixed with the other ear of the patient; the other end of the arc-shaped bracket 6 is also provided with a traction wire locking device to prevent the esophagus bracket from slipping.

As shown in FIG. 4 , the pulling wire locking device includes a wire clamping base 13 thermally fused to one end of the arc-shaped bracket 6 and a locking nut 14 threadedly connected to the wire clamping base 13 , and the pulling wire can be wound on the wire clamping base 13 , by tightening the locking nut 13, to increase the compression of the traction wire to prevent the esophagus bracket from slipping; ; The wire slot 14a can prevent the potential slippage of the pulling wire due to the fact that the locking nut 14 cannot tightly press the pulling wire after the pulling wire is wound and superposed.

As shown in FIG. 6 , the nasal plug cushion 2 is provided with an outwardly formed conical cone 2 a along its thickness direction and one end face away from the fixing plate 1 , and the conical cone 2 a corresponds to the position of the through hole on the nasal plug cushion 2 ; Conical table 2a can adapt to the patient's nasal cavity, so that the nasal cushion 2 and the patient's nasal cavity fixation is more stable, and more comfortable.

The nasal plug tube 3 is composed of a hard plastic tube and a soft rubber hose. The plastic tube on the nasal plug tube 3 is threadedly connected with the ventilation threaded hole 1a, and the rubber hose on the nasal plug tube 3 is along its length direction and away from the plastic tube. One end is tapered.

As shown in FIG. 6 , the displacement quantification display device includes a pin shaft 7 , a rotating sleeve 8 and a rubber ring 9 . The pin shaft 7 is vertically arranged on the end face of the fixed plate 1 , and the pin shaft 7 is arranged close to the elastic band 4 . The plates 1 are connected by threads; the free end of the pin shaft 7 is provided with an integrally formed dial 7a, and the dial 7a is provided with a scale value along the circumferential direction; the rotating sleeve 8 is sleeved on the pin shaft 7, and the rotating sleeve 8 can be pinned The shaft 7 rotates as the axis of rotation; the outer surface of the rotating sleeve 8 is provided with a rubber ring 9 that is glued and fixed, and the rubber ring 9 is provided with a plurality of annular winding grooves 9a along its radial outer surface, and the traction wire can be wound along the outer surface. The wire groove 9a is wound around the rubber ring 9, and through the friction between the rubber ring 9 and the traction wire, when the traction wire slides, the rubber ring 9 and the rotating sleeve 8 are driven to rotate; the rubber ring 9 is along its axial direction and close to the dial One end of 7a is provided with a marking arrow, and the marking arrow of the rubber ring 9 cooperates with the dial 7a, so that the amount of rotation of the rubber ring 9 can be visually displayed.

The outer surface of the elastic band 4 is provided with a plurality of traction line limit blocks 10 at intervals along its length direction, and each traction line limit block 10 is provided with a wire hole 10a, and the traction line can pass through the holes on the traction line limit block 10. Wire hole 10a, so that the traction wire is always on the elastic band 4, preventing the traction from causing pressure sores on the patient's face;

The fixing belt 4a is made of elastic and breathable fabric, which can be woven with TPU material.

A winding pile 11 is vertically arranged on the outer side of the connecting plate 5 , and the end of the winding pile 11 is a sphere, and the traction wire can be wound on the winding pile 10 to fix the traction wire for the first time.

The arc-shaped support 6 is provided with a rubber cushion 12 along its outer surface, and the rubber cushion 11 can make the patient more comfortable when wearing the arc-shaped support 5; The traction wire limiting groove 12a, the traction wire can be connected with the traction wire locking device along the traction wire limiting groove 12a; one end of the rubber cushion 12 is also provided with a velcro connecting belt 15 which is sutured by needle and thread, and the velcro connecting belt 15 is connected with The end of the fixing band 4a which is away from the fixing plate 1 along its length direction is connected by a Velcro.

The use process of this embodiment is as follows: fix the arc-shaped bracket 5 with the patient's ear, adjust the position of the nasal fixation device and the position of the ear fixation device according to the position of the nasal cavity where the patient's traction wire is located, and thread the traction wire. Pass the nasal tube 3, wrap the rubber ring 9 for two to three times, and then pass the traction wire through the traction wire limit block 10 on the elastic band 4 on the nearest side. The traction wire is wound with the winding pile 11 for several times, and then the remaining free state of the traction wire is stretched along the traction wire limit groove 11a, and passes through the hole formed by the Velcro connecting belt 15 and the traction wire limit groove 12a. , to the cable holder 13, loosen the lock nut 14, and then wrap the traction wire around the cable holder 13 for several turns, then tighten the lock nut 14, so that the wire pressing boss 14a presses the traction wire to prevent the traction wire from sliding.

The above embodiments are only for illustrating the technical idea of the present invention, and cannot limit the protection scope of the present invention. Any changes made on the basis of the technical idea proposed by the present invention and on the basis of the technical solution all fall into the protection scope of the present invention. within.

Claims (8)

1. A medical esophagus stent traction wire anti-slip device is characterized in that, comprising a nose fixing device and an ear fixing device, and between the nose fixing device and the ear fixing device, an elastic band (4) and a The root fixing belt (4a) is connected; The nose fixing device comprises a fixing plate (1), a nasal obstruction cushion (2) and a nasal obstruction tube (3). Connected, the fixing plate (1) is provided with a ventilation threaded hole (1a) corresponding to the patient’s unilateral nasal cavity, and one end of the nasal plug cushion (2) along its thickness direction is connected with the fixing plate (1), and the nasal plug A through hole is provided on the cushion (2) at the position corresponding to the ventilation threaded hole (1a), and the nasal plug tube (3) passes through the nasal plug cushion (2) and is connected to the ventilation threaded hole (1a) on the fixing plate (1); The fixed plate (1) is also provided with a displacement quantification display device; One end of the elastic band (4) in the length direction and away from the fixing plate (1) is provided with a connecting plate (5), and one end of the connecting plate (5) along its length direction is provided with a fixing pin hole (5a); The ear fixing device comprises an arc-shaped bracket (6) conforming to the contour of the patient's ear, one end of the arc-shaped bracket (6) is provided with a fixing shaft (6a), and the fixing shaft (6a) passes through the fixing shaft (6a) A pin hole (5a) is rotatably connected with the fixing pin hole (5a), the fixing shaft (6a) is also provided with a threaded fixing nut (6b); the other end of the arc-shaped bracket (6) is also provided with There is a traction wire locking device; The traction wire locking device comprises a wire clamping seat (13) thermally fused to one end of the arc-shaped bracket (6) and a locking nut (14) threadedly connected to the wire clamping seat (13). 14) An inwardly formed wire clipping slot (14a) is provided along the thickness direction and close to one end face of the arc-shaped bracket (6). 2 . The device according to claim 1 , characterized in that: the nasal plug cushion ( 2 ) is provided with a direction along its thickness direction and one end face away from the fixing plate ( 1 ). An externally formed conical cone (2a), the conical cone (2a) is set corresponding to the position of the through hole on the nasal plug cushion (2). 3. A medical esophageal stent traction wire anti-slip device according to claim 1, characterized in that: the nasal obstruction tube (3) is composed of a section of hard plastic tube and a section of soft rubber hose, the nasal obstruction tube (3) The plastic pipe on the pipe (3) is threadedly connected with the ventilation threaded hole (1a), and the rubber hose on the nose plug pipe (3) is tapered along its length direction and one end away from the plastic pipe. 4. A medical esophagus stent traction wire anti-slip device according to claim 1, characterized in that: the displacement quantification display device comprises a pin shaft (7), a rotating sleeve (8) and a rubber ring (9), wherein the The pin shaft (7) is vertically arranged on the end face of the fixing plate (1), and the pin shaft (7) is arranged close to the elastic band (4), and the pin shaft (7) and the fixing plate (1) are connected by a thread connection; the free end of the pin shaft (7) is provided with an integrally formed dial (7a), and the dial (7a) is provided with scale values along the circumferential direction; the rotating sleeve (8) is sleeved on the pin shaft (7), the outer surface of the rotating sleeve (8) is provided with a rubber ring (9) that is glued and fixed, and the rubber ring (9) is provided with a plurality of annular winding grooves along its radial outer surface (9a), the rubber ring (9) is provided with a marking arrow along its axial direction and one end close to the dial (7a). 5. A medical esophagus stent traction wire anti-slip device according to claim 1, characterized in that: the outer surface of the elastic band (4) is provided with a plurality of traction wire limit blocks (10) at intervals along its length direction , each traction wire limit block (10) is provided with a wire hole (10a), and the traction wire limit block (10) and the elastic band (4) are connected by heat fusion. 6 . The device according to claim 1 , wherein the fixing belt ( 4 a ) is made of elastic and breathable cloth. 7 . 7 . The device according to claim 1 , characterized in that: a winding pile ( 11 ) is vertically arranged on the outer side of the connecting plate ( 5 ), and the winding pile (11) The end head is a sphere. 8 . The device according to claim 1 , wherein the curved support ( 6 ) is provided with a rubber cushion ( 12 ) along its outer surface, and the rubber is soft. 9 . The outer surface of the pad (12) is provided with an inwardly formed traction wire limiting groove (12a) along its contour line, and one end of the rubber cushion (12) is also provided with a Velcro connection belt (15) stitched with needles and threads , the Velcro connecting belt (15) and the fixing belt (4a) are connected by Velcro along the length direction and one end away from the fixing plate (1).

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