Infusion port butterfly needle plugging auxiliary tool

Abstract

The utility model discloses an auxiliary tool for inserting and pulling a butterfly needle in an infusion port. The auxiliary tool comprises a mounting plate and a ring, a drawing pin is arranged on the left side of the upper end of the mounting plate, a fixing plate is rotationally connected to the lower side of the outer arc surface of the drawing pin, and rings are arranged at the right ends of the mounting plate and the fixing plate; the limiting mechanism comprises a mounting groove, an inserting groove, vertical rods, a connecting plate and an inserting plate, the mounting groove is formed in the right side of the interior of the fixing plate, the inserting groove is formed in the right side of the lower end of the mounting plate, and the vertical rods are arranged on the left side and the right side of the interior of the mounting groove respectively and are in sliding connection with sliding holes correspondingly formed in the lower end of the connecting plate respectively; compared with a safe infusion port needle which is the same in cost, the infusion port butterfly needle insertion and extraction auxiliary tool has the advantages that the cost is greatly reduced, the traditional mode that an infusion port base is fixed by hands can be replaced, the infusion port butterfly needle insertion and extraction auxiliary tool is far away from the needle point range, the occurrence of the needle injury condition is greatly reduced, and the infusion port butterfly needle insertion and extraction auxiliary tool can be folded and fixed after work is finished and is convenient to store.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an auxiliary tool for inserting and removing a butterfly needle of an infusion port. Background Art

[0002] The full name of the infusion port is implantable venous infusion port, which is an implantable, long-term indwelling central venous infusion device buried in the subcutaneous tissue. It is used for infusion of various drugs (including chemotherapy drugs), fluid replacement, nutritional support therapy, blood transfusion and blood sample collection, etc. It includes a catheter part with the tip located in the superior vena cava and an injection base buried under the skin, as well as an exposed butterfly needle part. It has little impact on the patient's daily life and is easy to maintain. It is gradually recognized by many clinical physicians. Therefore, the needle removal operation of the infusion port is becoming more and more common.

[0003] During the use of the infusion port, the butterfly needle needs to be replaced regularly. When removing the butterfly needle from the infusion port, the nurse presses the base of the infusion port with the thumb, index finger, and middle finger of the left hand, and then the nurse pulls out the butterfly needle with the right hand;

[0004] During the process of the nurse removing the needle, due to the large resistance of the base of the infusion port, the nurse's right hand will unconsciously bounce back due to inertia while vertically removing the needle, and it will just pierce the left hand that fixes the base of the infusion port, causing a needlestick injury. When inserting the needle, three fingers are also required to fix the base of the infusion port, which also has a certain risk of puncture. The anti-needlestick butterfly needle with a safety device on the market is relatively expensive, two to three times the price of an ordinary butterfly needle, which imposes a huge cost burden on patients. For this reason, we propose an infusion port butterfly needle insertion and extraction auxiliary tool. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an infusion port butterfly needle insertion and extraction auxiliary tool. Through the coordinated arrangement of the mounting plate, the fixing plate and the ring, the infusion port needle insertion and extraction can be standardized, the service life of the infusion port can be extended, the patient's pain can be relieved, and the comfort can be increased. The cost is greatly reduced compared with the same safety infusion port needle for reducing needle stick injuries, thereby alleviating the economic burden on patients. It replaces the traditional method of fixing the infusion port base by hand, keeps away from the needle tip range, and greatly reduces the occurrence of needle stick injuries. Through the coordinated arrangement of the slot and the plug plate, it can also be folded and fixed after work is completed, which is convenient for storage, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an infusion port butterfly needle insertion and extraction auxiliary tool, comprising a mounting plate and a ring;

[0007] Mounting plate: A thumbtack is provided on the left side of its upper end, and a fixing plate is rotatably connected to the lower side of the outer arc surface of the thumbtack. Rings are provided on the right ends of the mounting plate and the fixing plate. Through the coordinated setting of the mounting plate, the fixing plate and the ring, the needle insertion and removal of the infusion port can be standardized, the service life of the infusion port can be extended, the pain of the patient can be relieved, the comfort can be increased, and the cost is greatly reduced compared with the same safety infusion port used to reduce needle stick injuries, thereby reducing the economic burden on patients, replacing the traditional method of fixing the base of the infusion port by hand, staying away from the needle tip range, greatly reducing the occurrence of needle stick injuries, and it can also be folded and fixed after work for easy storage.

[0008] Furthermore, it also includes a limiting mechanism, which includes an installation groove, a slot, a vertical rod, a connecting plate and a plug plate. The installation groove is arranged on the right side of the fixed plate, the slot is arranged on the right side of the lower end of the installation plate, the vertical rods are respectively arranged on the left and right sides of the installation groove, the vertical rods are respectively slidably connected with the sliding holes corresponding to the lower end of the connecting plate, a plug plate is arranged in the middle of the upper end of the connecting plate, the plug plate is slidably connected with the avoidance groove arranged in the middle of the top wall of the installation groove, the plug plate is installed in coordination with the slot, and through the coordination of the slot and the plug plate, it can also be folded and fixed after work is completed for easy storage.

[0009] Furthermore, the limiting mechanism also includes springs, which are respectively arranged between the lower end of the connecting plate and the bottom wall of the mounting groove. The springs are all sleeved on the outside of the lower side of the vertical pole and can drive the plug plate to move and reset through the connecting plate.

[0010] Furthermore, it also includes a mounting rod and a push plate, wherein the mounting rod is rotatably connected to the lower side of the mounting groove through a bearing, and the push plates are arranged on the left side of the outer arc surface of the adjusting rod. The upper end of the push plate contacts the lower end of the connecting plate, so that the position of the plug plate can be adjusted.

[0011] Furthermore, it also includes gears, which are all arranged in the middle of the outer arc surface of the installation rod. The two gears are meshed and connected to drive the rear installation rod to rotate.

[0012] Furthermore, it also includes a worm wheel, an adjusting rod, a worm and an adjusting knob, the adjusting rod is rotatably connected to the lower side of the front wall of the mounting groove through a bearing, the mounting rods are all located on the upper side of the adjusting rod, the worm is arranged on the rear side of the outer arc surface of the adjusting rod, the worm wheel is arranged on the right side of the outer arc surface of the mounting rod on the front side, the worm wheel is meshingly connected with the worm, and the adjusting knob is arranged at the front end of the adjusting rod, which can drive the front gear to rotate.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the butterfly needle insertion and extraction auxiliary tool for the infusion port has the following advantages:

[0014] 1. When inserting the needle into the infusion port, push the fixing plate to rotate the fixing plate around the thumbtack to expand the fixing plate, then put one of the rings around the base of the infusion port, and then press the ring through the mounting plate to fix the base of the infusion port, and then insert the butterfly needle into the infusion port. When the infusion port is removed, rotate the fixing plate, and then the operator's left hand clamps the butterfly needle through the mounting plate and the fixing plate, and then gently press down the mounting plate to fix the base of the infusion port through the fixing plate, thereby preventing the infusion port from being stuck. The base is flipped over, and then the operator pulls out the butterfly needle with his right hand. After the butterfly needle is pulled out, the operator's right hand will not prick the left hand when it rebounds. Through the coordinated setting of the mounting plate, the fixing plate and the ring, the needle piercing and needle removal of the infusion port can be standardized, the service life of the infusion port can be extended, the patient's pain can be relieved, and the comfort can be increased. The cost is greatly reduced compared with the same safety infusion port used to reduce needle stick injuries, thereby reducing the economic burden on patients, replacing the traditional method of fixing the infusion port base by hand, staying away from the needle tip range, and greatly reducing the occurrence of needle stick injuries.

[0015] 2. After the work is completed, the operator rotates the fixing plate to make the fixing plate overlap with the mounting plate, and then rotates the adjusting knob. The adjusting knob drives the adjusting rod to rotate, and the adjusting rod drives the worm to rotate. The worm drives the worm wheel to rotate through the meshing connection during the rotation process. The worm wheel drives the front gear to rotate through the front mounting rod. The front gear drives the rear gear to rotate through the meshing connection, so that the rear gear drives the rear mounting rod to rotate. The rotation directions of the two mounting rods are opposite, and the mounting rod drives the push plate to rotate. The spacing between the two push plates gradually decreases. At this time, the connecting plate begins to drive the plug plate to move upward after receiving the thrust of the push plate, and the spring extends to insert the plug plate into the inside of the slot, thereby limiting the fixing plate to prevent the storage effect from being affected by the swinging of the fixing plate. The matching setting of the slot and the plug plate can limit the fixing plate, and it can be folded and fixed after the work is completed for easy storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of one embodiment of the utility model;

[0018] Figure 3 This is a schematic structural diagram of a limiting mechanism in one embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the lower side sectional plan structure of the utility model.

[0020] In the figure: 1 mounting plate, 2 thumbtacks, 3 fixing plate, 4 ring, 5 limiting mechanism, 51 mounting groove, 52 slot, 53 vertical rod, 54 connecting plate, 55 plug plate, 56 spring, 6 mounting rod, 7 push plate, 8 gear, 9 worm wheel, 10 adjusting rod, 11 worm, 12 adjusting knob. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , This embodiment provides a technical solution: an infusion port butterfly needle insertion and extraction auxiliary tool, including a mounting plate 1 and a ring 4;

[0023] Mounting plate 1: A thumbtack 2 is provided on the left side of its upper end, and a fixing plate 3 is rotatably connected to the lower side of the outer arc surface of the thumbtack 2. Rings 4 are provided on the right ends of the mounting plate 1 and the fixing plate 3. When the infusion port is pierced with an needle, the fixing plate 3 is pushed to rotate the fixing plate 3 around the thumbtack 2, thereby unfolding the fixing plate 3, and then one of the rings is put on the base of the infusion port, and then the ring 4 is pressed by the mounting plate 1 to fix the base of the infusion port, and then the butterfly needle is inserted into the infusion port. When the infusion port is pulled out, the fixing plate 3 is rotated, and then the operator's left hand clamps the butterfly needle through the mounting plate 1 and the fixing plate 3, and then gently presses down the mounting plate. Plate 1, thereby fixing the base of the infusion port through the fixing plate 3, so as to prevent the base of the infusion port from turning over, and then the operator pulls out the butterfly needle with his right hand. After the butterfly needle is pulled out, the operator's right hand will not pierce the left hand when it rebounds. Through the coordinated arrangement of the mounting plate 1 and the fixing plate 3 and the ring 4, the needle pricking and needle pulling of the infusion port can be standardized, the service life of the infusion port can be extended, the patient's pain can be relieved, and the comfort can be increased. Compared with the same safety infusion port needle used to reduce needle stick injuries, the cost is greatly reduced, the economic burden of patients is reduced, and the traditional method of fixing the base of the infusion port by hand is replaced, which is far away from the needle tip range and greatly reduces the occurrence of needle stick injuries.

[0024] Among them, it also includes a limiting mechanism 5, which includes a mounting groove 51, a slot 52, a vertical rod 53, a connecting plate 54 and a plug plate 55. The mounting groove 51 is arranged on the right side of the fixing plate 3, the slot 52 is arranged on the right side of the lower end of the mounting plate 1, and the vertical rod 53 is respectively arranged on the left and right sides of the mounting groove 51. The vertical rod 53 is slidably connected with the sliding holes corresponding to the lower end of the connecting plate 54, and a plug plate 55 is arranged in the middle of the upper end of the connecting plate 54. The plug plate 55 is slidably connected with the avoidance groove arranged in the middle of the top wall of the mounting groove 51. The plug plate 55 is installed in cooperation with the slot 52. The limiting mechanism 5 also includes a spring 56, and the spring 56 is respectively arranged Placed between the lower end of the connecting plate 54 and the bottom wall of the mounting groove 51, the spring 56 is sleeved on the outside of the lower side of the vertical rod 53. After the work is completed, the operator rotates the fixed plate 3 to make the fixed plate 3 overlap with the mounting plate 1, and then rotates the adjusting device. After the connecting plate 54 is pushed by the adjusting device, it begins to drive the plug plate 55 to move upward, and the spring 56 extends to insert the plug plate 55 into the interior of the slot 52, thereby limiting the fixing plate 3 to prevent the fixing plate 3 from swinging around and affecting the storage effect. Through the coordinated setting of the slot 52 and the plug plate 55, the fixing plate 3 can be limited to prevent the fixing plate 3 from swinging around and affecting the storage effect.

[0025] Wherein: it also includes a mounting rod 6 and a push plate 7. The mounting rod 6 is rotatably connected to the lower side of the mounting groove 51 through a bearing. The push plates 7 are arranged on the left side of the outer arc surface of the adjusting rod 10. The upper ends of the push plates 7 are in contact with the lower ends of the connecting plates 54. The mounting rod 6 drives the push plates 7 to rotate, and the distance between the two push plates 7 gradually decreases. At this time, the connecting plate 54 receives the thrust of the push plate 7 and starts to drive the plug plate 55 to move upward. The spring 56 extends to insert the plug plate 55 into the inside of the slot 52, thereby limiting the fixing plate 3.

[0026] Among them: it also includes gears 8, which are all arranged in the middle of the outer arc surface of the mounting rod 6. The two gears 8 are meshingly connected. The adjusting device drives the worm gear 9 to rotate through the meshing connection during the rotation process. The worm gear 9 drives the front gear 8 to rotate through the front mounting rod 6. The front gear 8 drives the rear gear 8 to rotate through the meshing connection, so that the rear gear 8 drives the rear mounting rod 6 to rotate, and the two mounting rods 6 rotate in opposite directions.

[0027] Wherein: it also includes a worm wheel 9, an adjusting rod 10, a worm 11 and an adjusting knob 12. The adjusting rod 10 is rotatably connected to the lower side of the front wall of the mounting groove 51 through a bearing. The mounting rods 6 are all located on the upper side of the adjusting rod 10. The worm 11 is arranged on the rear side of the outer arc surface of the adjusting rod 10. The worm wheel 9 is arranged on the right side of the outer arc surface of the mounting rod 6 on the front side. The worm wheel 9 is meshed with the worm 11. The adjusting knob 12 is arranged at the front end of the adjusting rod 10. After the work is completed, the operator rotates the fixing plate 3 to make the fixing plate 3 overlap with the mounting plate 1, and then rotates the adjusting knob 12. The adjusting knob 12 drives the adjusting rod 10 to rotate, and the adjusting rod 10 drives the worm 11 to rotate. During the rotation, the worm 11 drives the worm wheel 9 to rotate through the meshing connection, and the worm wheel 9 drives the front gear 8 to rotate through the front mounting rod 6.

[0028] The working principle of the butterfly needle insertion and extraction auxiliary tool for an infusion port provided by the utility model is as follows: when inserting the needle into the infusion port, push the fixing plate 3 to make the fixing plate 3 rotate around the thumbtack 2 as the center, thereby unfolding the fixing plate 3, and then put one of the rings around the base of the infusion port, and then press the ring 4 through the mounting plate 1 to fix the base of the infusion port, and then insert the butterfly needle into the infusion port. When the needle is removed from the infusion port, rotate the fixing plate 3, and then the operator's left hand clamps the butterfly needle through the mounting plate 1 and the fixing plate 3, and then gently presses down the mounting plate 1, so as to fix the base of the infusion port through the fixing plate 3, thereby preventing the base of the infusion port from turning over, and then the operator uses the right hand to pull out the butterfly needle. When the butterfly needle is pulled out, the operator's right hand will not pierce the left hand when it rebounds. After the work is completed, the operator rotates the fixing plate 3 , so that the fixing plate 3 overlaps with the mounting plate 1, and then the adjusting knob 12 is rotated, the adjusting knob 12 drives the adjusting rod 10 to rotate, and the adjusting rod 10 drives the worm 11 to rotate. During the rotation, the worm 11 drives the worm wheel 9 to rotate through the meshing connection, and the worm wheel 9 drives the front gear 8 to rotate through the front mounting rod 6, and the front gear 8 drives the rear gear 8 to rotate through the meshing connection, so that the rear gear 8 drives the rear mounting rod 6 to rotate, and the rotation directions of the two mounting rods 6 are opposite, and the mounting rod 6 drives the push plate 7 to rotate, and the distance between the two push plates 7 gradually decreases. At this time, the connecting plate 54 receives the thrust of the push plate 7 and begins to drive the plug plate 55 to move upward, and the spring 56 extends to insert the plug plate 55 into the inside of the slot 52, thereby limiting the fixing plate 3 to prevent the fixing plate 3 from swinging around and affecting the storage effect.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A butterfly needle insertion and extraction auxiliary tool for an infusion port, characterized by: It comprises a mounting plate (1) and a ring (4); The mounting plate (1) is provided with a thumbtack (2) on the left side of its upper end, and a fixing plate (3) is rotatably connected to the lower side of the outer arc surface of the thumbtack (2), and a ring (4) is provided on the right ends of the mounting plate (1) and the fixing plate (3).

2. The infusion port butterfly needle insertion and extraction auxiliary tool according to claim 1, characterized in that: The invention also comprises a limiting mechanism (5), wherein the limiting mechanism (5) comprises a mounting groove (51), a slot (52), a vertical rod (53), a connecting plate (54) and an inserting plate (55), wherein the mounting groove (51) is arranged on the right side inside the fixing plate (3), the slot (52) is arranged on the right side of the lower end of the mounting plate (1), the vertical rod (53) is arranged on the left and right sides inside the mounting groove (51), the vertical rod (53) is slidably connected with the sliding holes correspondingly arranged at the lower end of the connecting plate (54), the middle part of the upper end of the connecting plate (54) is provided with an inserting plate (55), the inserting plate (55) is slidably connected with the avoidance groove arranged in the middle part of the top wall of the mounting groove (51), and the inserting plate (55) is installed in cooperation with the slot (52).

3. The infusion port butterfly needle insertion and extraction auxiliary tool according to claim 2, characterized in that: The limiting mechanism (5) further comprises a spring (56), wherein the springs (56) are respectively arranged between the lower end of the connecting plate (54) and the bottom wall of the mounting groove (51), and the springs (56) are sleeved on the outside of the lower side of the vertical rod (53).

4. The infusion port butterfly needle insertion and extraction auxiliary tool according to claim 1, characterized in that: It also includes a mounting rod (6) and a push plate (7), wherein the mounting rod (6) is rotatably connected to the lower side of the mounting groove (51) via a bearing, and the push plate (7) is arranged on the left side of the outer arc surface of the adjusting rod (10), and the upper end of the push plate (7) is in contact with the lower end of the connecting plate (54).

5. The infusion port butterfly needle insertion and extraction auxiliary tool according to claim 4, characterized in that: It also includes gears (8), which are arranged in the middle of the outer arc surface of the mounting rod (6), and the two gears (8) are meshed and connected.

6. The infusion port butterfly needle insertion and extraction auxiliary tool according to claim 4, characterized in that: The invention also comprises a worm wheel (9), an adjusting rod (10), a worm (11) and an adjusting knob (12); the adjusting rod (10) is rotatably connected to the lower side of the front wall of the mounting groove (51) through a bearing; the mounting rods (6) are all located on the upper side of the adjusting rods (10); the worm (11) is arranged on the rear side of the outer arc surface of the adjusting rod (10); the worm wheel (9) is arranged on the right side of the outer arc surface of the mounting rod (6) on the front side; the worm wheel (9) is meshedly connected with the worm (11); and the adjusting knob (12) is arranged at the front end of the adjusting rod (10).

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