Internal fistula puncture needle edge tool box

Abstract

The utility model relates to the field of medical instruments, in particular to an internal fistula puncture needle edge tool box which comprises a box body, an upper cover is arranged on the box body, a vertically upward guide rod is fixedly arranged at the bottom of the inner side of the box body, a pedal plate is inserted on the guide rod in a sliding mode, connecting shafts extend out of the two sides of the pedal plate in the horizontal direction, and a double-connecting-rod mechanism is installed at the other ends of the connecting shafts. The double-connecting-rod mechanism and the needle pressing column are driven by stepping on the pedal plate, the needle head and the ejector plate of the internal fistula puncture needle are squeezed and pulled down and enter the needle drawing box, the hand does not make contact with the needle head or a needle handle in the whole waste needle treatment process, the danger of occupational exposure is effectively reduced, and meanwhile the waste needle collecting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a sharp tool box for internal fistula puncture needles. Background Art

[0002] Fistula puncture needles are commonly used for arteriovenous fistula connections in hemodialysis. After dialysis, the used fistula puncture needles need to be recovered, disinfected or destroyed to prevent medical staff from being stabbed and cross-infection.

[0003] In the prior art, fistula puncture needles are generally disposed of after use in a sharps box. The sharps box is an ordinary rectangular plastic box. Medical staff need to manually pull out the puncture needle from the infusion tube and put it into the sharps box. When pulling out the puncture needle, they need to touch the needle head or the needle handle, which poses a risk of medical occupational exposure. In addition, pulling out and inserting the needle need to be done step by step, which is time-consuming and laborious.

[0004] Therefore, the problems existing in the existing internal fistula puncture needle sharp tool box are effectively solved, and the utility model provides an internal fistula puncture needle sharp tool box. Utility Model Content

[0005] The utility model aims to overcome the defects described in the background technology, thereby providing a fistula puncture needle sharp tool box.

[0006] To achieve the above purpose, the technical solution of the utility model is:

[0007] Provided is a fistula puncture needle sharp tool box, comprising a box body, the box body is provided with an upper cover, a vertically upward guide rod is fixedly provided at the bottom of the inner side of the box body, a pedal plate is slidably plugged on the guide rod, a plug hole is provided on the pedal plate, the plug hole and the guide rod are slidably plugged up and down, connecting shafts are extended from both sides of the pedal plate in the horizontal direction, and a double connecting rod mechanism is installed at the other end of the connecting shaft;

[0008] An upper connecting rod shaft is fixedly provided on the upper inner walls on both sides of the box body, the upper end of the double connecting rod mechanism is fixedly rotatably matched with the upper connecting rod shaft, and the lower end of the double connecting rod mechanism is fixedly rotatably matched with the connecting shaft; a pressure needle column is fixedly provided at the middle rotation position of the double connecting rod mechanism;

[0009] A horizontal needle lowering platform is provided on the front cover of the box body, and a needle lowering plate extending vertically downward is fixedly connected to the lower part of the needle lowering platform; a spring is sleeved on the guide rod, and the spring is located between the lower part of the pedal plate and the bottom of the box body to play the role of resetting the pedal plate.

[0010] Furthermore, a spring shaft extending toward the ejector plate is provided at the upper end of the needle pressing column, and an upper push plate is fixedly provided on the spring shaft.

[0011] Furthermore, the lower part of the ejector plate is a lower inclined panel.

[0012] The bottom of the box body is provided with a needle box groove, a pull-out needle box is provided in the needle box groove, the pull-out needle box is located at the lower part of the ejector plate, and a handle is provided on the outside of the pull-out needle box.

[0013] When the utility model internal fistula puncture needle sharp tool box is in use, the internal fistula puncture needle with the infusion tube after use is extended into the box body from the inner side of the lower needle platform. When the needle head part contacts the lower inclined panel, the pedal board is stepped down with the foot, and the pedal board drives the angle between the double connecting rod mechanism to gradually increase, so that the needle pressing column in the middle of the double connecting rod mechanism moves toward the ejector plate and gradually clamps the needle head position; at the same time, the upper push plate clamps the plastic infusion tube part above the internal fistula puncture needle on the upper part of the ejector plate, and because the upper push plate is connected by a spring shaft, the upper push plate can press the plastic The infusion tube has a certain elastic pressing force, and the needle position is pressed against the ejector plate by the needle pressing column. At this time, pull the infusion tube upward to make the needle part come out; then release the pedal plate to make the needle pressing column separate from the ejector plate, and the needle part slides from the lower inclined panel into the pull-out needle box at the bottom of the box to complete the collection of waste needles of internal fistula puncture needles. The pull-out needle box can be taken out from the needle box slot for convenient and timely replacement; during the whole process of handling waste needles, the hands do not touch the needle or needle handle, which effectively reduces the risk of occupational exposure and improves the efficiency of collecting waste needles.

[0014] Preferably, a heating wire is provided on the upper part of the ejector plate, and an electric heating device is provided in the lower needle platform to connect to the heating wire. The principle of the heating wire is prior art and will not be described in detail here. Before using the internal fistula puncture needle sharp instrument box of the utility model, turn on the switch on the front cover to preheat the heating wire. During the above-mentioned needle removal process, when the needle is removed, the infusion tube part above the needle is heated and tightened, and the arterial and venous blood residues in the tube are sealed in the infusion tube, further reducing the risk of occupational exposure and improving the safety of waste needle collection.

[0015] Furthermore, a front support foot is provided in front of the bottom end of the box body, a rear wheel is provided behind the bottom end of the box body, and a push rod is provided on the back of the box body. With this arrangement, when the sharp tool box needs to be moved, the push rod and the rear wheel can be used to move the sharp tool box to a suitable position and fix it with the front support foot, thereby saving manpower for moving the sharp tool box.

[0016] The benefits of the present invention are:

[0017] 1. By stepping on the pedal to drive the double-link mechanism and the needle pressing column, the needle and the ejector plate of the internal fistula puncture needle are squeezed and pulled out and put into the pull-out needle box. The hands do not touch the needle or the needle handle during the whole process of handling the waste needle, which effectively reduces the risk of occupational exposure and improves the efficiency of collecting waste needles.

[0018] 2. The sharps box can be moved to a suitable position by means of the front supporting feet provided at the front of the bottom of the box body, the rear wheels provided at the rear of the bottom of the box body, and the hand push rod on the back, thus saving manpower for moving the sharps box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model internal fistula puncture needle sharp tool box;

[0020] Figure 2 This is a schematic diagram of the internal structure of the fistula puncture needle sharp tool box of the utility model;

[0021] Figure 3 It is a partial structural schematic diagram of the front cover part of the internal fistula puncture needle sharp tool box of the utility model;

[0022] Figure 4 It is a side sectional view of the internal structure of the internal fistula puncture needle sharp tool box of the utility model;

[0023] Figure 5 It is an exploded schematic diagram of the box body pedal board connection structure in the internal fistula puncture needle sharp tool box of the utility model;

[0024] In the figure: 1. box body, 101. rear wheel, 102. front support leg, 103. push rod, 104. switch, 105. pull-out needle box, 106. handle, 107. needle box slot, 108. guide rod, 109. upper connecting rod shaft, 2. front cover, 3. pedal board, 301. connecting shaft, 302. plug hole, 4. upper cover, 5. needle pressing column, 501. spring shaft, 502. upper push plate, 6. double connecting rod mechanism, 9. lower needle platform, 901. ejector plate, 902. heating wire, 903. lower inclined panel, 10. spring. DETAILED DESCRIPTION

[0025] The fistula puncture needle sharp instrument box of the present utility model is described in more detail below with reference to the accompanying drawings and through specific implementation methods.

[0026] like Figure 1 - Figure 5 As shown:

[0027] The utility model of the internal fistula puncture needle sharp tool box comprises a box body 1, the box body 1 is provided with an upper cover 4, a vertical upward guide rod 108 is fixedly provided at the bottom of the inner side of the box body 1, a pedal board 3 is slidably plugged on the guide rod 108, a plug hole 302 is provided on the pedal board 3, the plug hole 302 and the guide rod 108 are slidably plugged up and down, a connecting shaft 301 is extended from both sides of the pedal board 3 in the horizontal direction, and a double connecting rod mechanism 6 is installed at the other end of the connecting shaft 301;

[0028] An upper connecting rod shaft 109 is fixedly provided on the upper part of the inner walls on both sides of the box body 1, the upper end of the double-link mechanism 6 is fixedly rotatably matched with the upper connecting rod shaft 109, and the lower end of the double-link mechanism 6 is fixedly rotatably matched with the connecting shaft 301; a needle pressing column 5 is fixedly provided at the middle rotation part of the double-link mechanism 6; a horizontal lower needle platform 9 is provided on the front cover 2 of the box body 1, and a top needle plate 901 extending vertically downward is fixedly connected to the lower part of the lower needle platform 9; a spring 10 is sleeved on the guide rod 108, and the spring 10 is located between the lower part of the foot pedal 3 and the bottom of the box body 1, so as to play the role of resetting the foot pedal 3.

[0029] The upper end of the needle pressing column 5 is provided with a spring shaft 501 extending toward the ejector plate 901, and an upper push plate 502 is fixedly provided on the spring shaft 501; the lower part of the ejector plate 901 is a lower inclined panel 903; the bottom of the box body 1 is provided with a needle box groove 107, and a pull-out needle box 105 is provided in the needle box groove 107, and the pull-out needle box 105 is located at the lower part of the ejector plate 901. A handle 106 is provided on the outside of the pull-out needle box 105 to facilitate the replacement of the pull-out needle box 105.

[0030] When the utility model internal fistula puncture needle sharp tool box is in use, the internal fistula puncture needle with the infusion tube after use is extended into the box body 1 from the inner side of the lower needle platform 9. When the needle tip contacts the lower inclined panel 903, the pedal board 3 is stepped down with the foot. The pedal board 3 drives the angle between the double connecting rod mechanism 6 to gradually increase, so that the needle pressing column 5 in the middle of the double connecting rod mechanism 6 moves toward the ejector plate 901 and gradually clamps the needle tip position; at the same time, the upper push plate 502 clamps the plastic infusion tube part above the internal fistula puncture needle on the upper part of the ejector plate 901. Since the upper push plate 502 is connected by the spring shaft 501, the upper push plate 50 2 has a certain elastic pressing force on the plastic infusion tube, and the needle position is pressed against the ejector plate 901 by the needle pressing column 5. At this time, the infusion tube is pulled upward to make the needle part come out; then the pedal plate 3 is loosened to make the needle pressing column 5 separate from the ejector plate 901, and the needle part slides from the lower inclined panel 903 into the pull-out needle box 105 at the bottom of the box body 1, completing the collection of the fistula puncture needle. The pull-out needle box 105 can be taken out from the needle box slot 107, which is convenient for timely replacement; during the whole process of handling the waste needle, the hands do not touch the needle or the needle handle, which effectively reduces the risk of occupational exposure and improves the efficiency of collecting waste needles.

[0031] A front support leg 102 is provided in front of the bottom end of the box body 1, a rear wheel 101 is provided behind the bottom end of the box body, and a push rod 103 is provided on the back of the box body 1. With this arrangement, when the sharp tool box needs to be moved, the push rod and the rear wheel 101 can be used to move the sharp tool box to a suitable position and fix it with the front support leg 102, thereby saving manpower for moving the sharp tool box.

[0032] Preferably, a heating wire 902 is provided on the upper part of the ejector plate 901, and an electric heating device is provided in the lower needle platform 9 to connect to the heating wire 902. The principle of the heating wire 902 is prior art and will not be described in detail here. Before using the internal fistula puncture needle sharp instrument box of the utility model, turn on the switch 104 on the front cover 2 to preheat the heating wire 902. During the above-mentioned needle removal process, when the needle is removed, the infusion tube part above the needle is heated and tightened, and the arterial and venous blood residues in the tube are sealed in the infusion tube, which further reduces the risk of occupational exposure and improves the safety of waste needle collection.

[0033] By stepping on the pedal 3 to drive the double-link mechanism 6 and the needle pressing column 5, the needle head and the ejector plate 901 of the internal fistula puncture needle are squeezed and pulled out and put into the pull-out needle box 105. The hands do not touch the needle head or the needle handle during the whole process of handling the waste needle, which effectively reduces the risk of occupational exposure and improves the efficiency of collecting waste needles. The front support leg 102 provided at the front end of the bottom of the box body 1 and the rear wheel 101 and the hand push rod 103 on the back are provided at the rear end of the bottom of the box body, so that the sharps box is moved to a suitable position, saving manpower for moving the sharps box.

[0034] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships described in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0035] The exemplary implementation of the present invention is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present invention, various modifications and variations can be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the present invention can be made without exceeding the protection scope of the present invention.

Claims

1. A fistula puncture needle sharps box, comprising a box body, characterized in that: A vertically upward guide rod is fixedly provided at the bottom of the inner side of the box body, a pedal plate is slidably inserted on the guide rod, a plug hole is provided on the pedal plate, the plug hole and the guide rod are slidably inserted up and down, connecting shafts extend from both sides of the pedal plate in the horizontal direction, and a double connecting rod mechanism is installed at the other end of the connecting shaft; An upper connecting rod shaft is fixedly provided on the upper inner walls on both sides of the box body, the upper end of the double connecting rod mechanism is fixedly rotatably matched with the upper connecting rod shaft, and the lower end of the double connecting rod mechanism is fixedly rotatably matched with the connecting shaft; a pressure needle column is fixedly provided at the middle rotation position of the double connecting rod mechanism; A horizontal needle lowering platform is arranged on the front cover of the box body, and a needle ejector plate extending vertically downward is fixedly connected to the lower part of the needle lowering platform.

2. The fistula puncture needle sharps box according to claim 1, characterized in that: A spring is sleeved on the guide rod and is located between the lower part of the pedal plate and the bottom of the box body.

3. The fistula puncture needle sharps box according to claim 1, characterized in that: A spring shaft extending toward the ejector plate is disposed at the upper end of the needle pressing column, and an upper push plate is fixedly disposed on the spring shaft.

4. The fistula puncture needle sharps box according to claim 1, characterized in that: The lower part of the ejector plate is a lower inclined panel.

5. The fistula puncture needle sharps box according to claim 1, characterized in that: The bottom of the box body is provided with a needle box groove, a pull-out needle box is provided in the needle box groove, the pull-out needle box is located at the lower part of the ejector plate, and a handle is provided on the outside of the pull-out needle box.

6. The fistula puncture needle sharps box according to claim 1, characterized in that: The front bottom end of the box body is provided with a front support foot, the rear bottom end of the box body is provided with a rear wheel, and the back of the box body is provided with a hand push rod.

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