Protection device for preventing needle stick injury

Abstract

The invention aims to provide a protection device for preventing needle stick injury, and relates to the technical field of medical instruments. A clamp holder is slidably and detachably mounted in a protection shell; during use, the needle head is clamped and fixed through the upper clamping plate and the lower clamping plate of the clamping device; the clamp holder is placed in the protective shell, the needle is pulled out and taken into the protective shell by holding the handle at the rear end of the clamp holder and sliding the clamp holder, psychological discomfort of a patient caused by exposure of the needle is avoided, the protective shell can cover the needle, and the needle is prevented from stabbing the patient (or family members) and nurses.

Description

Technical Field

[0001] The present invention relates to the technical field related to medical devices, and in particular to a protective device for preventing needle stick injuries. Background Art

[0002] Needlestick injuries are one of the serious occupational hazards faced by medical workers today. They can cause the spread of blood-borne diseases, threaten the occupational safety and life health of medical staff, cause great mental and psychological pressure on exposed persons, and also bring heavy economic burdens to medical institutions and exposed persons.

[0003] Nursing staff are at high risk for needlestick injuries. The incidence of blood-borne diseases caused by needlestick injuries is higher than that of other medical workers. Infusion centers that provide centralized intravenous infusion treatment for outpatients and emergency patients have also become high-risk locations for needlestick injuries. The incidence of needlestick injuries among nurses in infusion centers remains high. Therefore, it is necessary to design a protective device for preventing needle stick injuries, which can avoid the needle being exposed when the needle is removed during intravenous infusion, causing psychological discomfort to the patient, and at the same time avoid injuring the patient (or family members) and nurses. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the present invention provides the following technical solutions: A protective device for preventing needlestick injuries includes a catheter, a needle and a needle removal assembly. The needle removal assembly includes a protective shell and a clamp. The clamp is slidably and detachably installed in the protective shell; the protective shell includes an upper cover plate and a lower cover plate, and the clamp includes an upper clamp plate and a lower clamp plate. The needle is clamped and fixed by the upper clamp plate and the needle is brought into the protective shell by sliding the clamp.

[0005] Furthermore, one side of the upper splint is rotatably connected to one side of the lower splint, a plurality of lock posts are fixedly provided on the upper splint, and a plurality of lock holes are provided on the upper splint corresponding to the lock posts. After the upper and lower splints are rotated and closed, the lock posts are inserted into the lock holes to restrict the upper and lower splints from rotating and separating.

[0006] Furthermore, fixing grooves are provided on the upper and lower splints corresponding to the catheter and the needle, and the catheter and the needle are confined in the fixing grooves after the upper and lower splints are rotated and closed.

[0007] Furthermore, a connecting rod is fixedly provided at one end of the lower splint, a handle is fixedly provided on the connecting rod, and a rod groove is provided on the lower cover plate corresponding to the connecting rod.

[0008] Furthermore, sliding grooves are provided on the upper cover plate and the lower cover plate corresponding to the clamp, and side grooves are provided on one side of the upper cover plate and the lower cover plate corresponding to the needle; after the upper and lower splints of the clamp are rotated and closed, they slide along the sliding grooves, and the side edges of the needle slide along the side grooves.

[0009] Furthermore, a through slot is provided at the rear end of the lower cover plate.

[0010] Furthermore, one side of the upper cover is rotatably connected to one side of the lower cover, a hook is fixedly provided on the other side of the upper cover, a slot is provided on the other side of the lower cover, and a card block is slidably provided on the other side of the lower cover. After the upper and lower covers are rotated and closed, the hook is inserted into the slot, and the card block is slidably inserted into the slot to cooperate with the hook to limit the hook from falling out of the slot.

[0011] Compared with the existing technology, the technical solution of this application has the following beneficial effects: The present invention has a clamp that is slidably and detachably installed in a protective shell; when in use, the needle is clamped and fixed by the upper and lower clamping plates of the clamp; the clamp is placed in the protective shell, and by holding the handle on the rear end of the clamp, the clamp is slid to pull out the needle and simultaneously bring it into the protective shell, thereby avoiding the exposure of the needle and causing psychological discomfort to the patient, and the protective shell can cover the needle to prevent the needle from pricking the patient (or family members) and nurses. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the protective shell structure of the present invention; Figure 3 This is a schematic diagram of needle placement in the present invention; Figure 4 Schematic diagram of the structure of the clamp of the present invention.

[0013] In the figure: upper cover plate 1, hook 11, lower cover plate 2, slot 21, block 22, handle 3, connecting rod 4, clamp 5, lower clamp plate 51, lock hole 511, upper clamp plate 52, lock column 521. DETAILED DESCRIPTION

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0015] Example 1: In this embodiment, nursing staff are at high risk for needlestick injuries. The incidence of blood-borne diseases caused by needlestick injuries is higher than that of other medical workers. Infusion centers that provide centralized intravenous infusion treatment for outpatients and emergency patients have also become high-risk locations for needlestick injuries. The incidence of needlestick injuries among nursing staff in infusion centers remains high. Therefore, it is necessary to design a protective device for preventing needlestick injuries. This device can prevent the needle from being exposed during intravenous infusion needle removal, which could cause psychological discomfort to the patient, and also avoid injuries to the patient (or family members) and nurses. See also Figure 1-4 A protective device for preventing needle stick injuries includes a catheter, a needle and a needle removal assembly, the needle removal assembly includes a protective shell and a clamp 5, the clamp 5 is slidably and detachably installed in the protective shell; the protective shell includes an upper cover plate 1 and a lower cover plate 2, the clamp 5 includes an upper clamping plate 52 and a lower clamping plate 51, the needle is clamped and fixed by the upper clamping plate 52 and the lower clamping plate 51, and the needle is brought into the protective shell by sliding the clamp 5; the upper clamping plate 52 and the lower clamping plate 51 are provided with fixing grooves corresponding to the catheter and the needle, and the upper clamping plate 52 and the lower clamping plate 51 are rotated and closed to confine the catheter and the needle in the fixing groove; In this embodiment, the idea is to wrap the needle while pulling it out, so the idea is to drag the needle into a protective shell, and therefore, a protective shell and a clamp 5 are designed; the needle is clamped and fixed by the upper splint 52 and the lower splint 51 of the clamp 5, and the fixing grooves provided on the upper splint 52 and the lower splint 51 can well clamp the needle to prevent the needle from moving; the sliding clamp 5 pulls the needle out and brings it into the protective shell, avoiding the exposure of the needle and causing psychological discomfort to the patient, and the protective shell can cover the needle to prevent the needle from pricking the patient (or family members) and nurses.

[0016] Example 2: According to Example 1, please refer to Figure 1-4 In this embodiment, the clamp 5 includes an upper clamping plate 52 and a lower clamping plate 51; the upper clamping plate 52 and the lower clamping plate 51 are provided with fixing grooves corresponding to the catheter and the needle, and the upper clamping plate 52 and the lower clamping plate 51 are rotated and closed to confine the catheter and the needle in the fixing grooves; a connecting rod 4 is fixedly provided at one end of the lower clamping plate 51, and a handle 3 is fixedly provided on the connecting rod 4; In this embodiment, one side of the upper clamping plate 52 is rotatably connected to one side of the lower clamping plate 51. A plurality of locking posts 521 are fixedly provided on the upper surface of the upper clamping plate 52, and a plurality of locking holes 511 are opened on the upper surface of the lower clamping plate 51 corresponding to the locking posts 521. When the upper clamping plate 52 and the lower clamping plate 51 are rotated and closed, the locking posts 521 are inserted into the locking holes 511 to prevent the upper clamping plate 52 and the lower clamping plate 51 from rotating apart. In this embodiment, the clamp 5 can be made of stainless steel and can be sterilized and used in a cycle; the clamp 5 only needs to be rotated and closed to confine the needle in the fixed groove, and then the clamp 5 is placed in the protective shell to limit the upper clamp 52 and the lower clamp 51 of the clamp 5 from rotating apart, and the sliding clamp 5 can also be used to pull out the needle and bring it into the protective shell; the clamp 5 can also be made of plastic material, preferably medical grade polypropylene (PP) or acrylonitrile-butadiene-styrene copolymer (ABS). PP has a lower cost and good chemical resistance; ABS has better strength, rigidity and surface finish. The plastic material, when the plastic lock column 521 is inserted into the lock hole 511, has friction resistance, which can prevent the upper clamp 52 and the lower clamp 51 from rotating apart.

[0017] Example 3: According to Example 1-2, please refer to Figure 1-4 In this embodiment, the protective shell includes an upper cover plate 1 and a lower cover plate 2; a rod groove is formed on the lower cover plate 2 corresponding to the connecting rod 4; a sliding groove is formed on the upper cover plate 1 and the lower cover plate 2 corresponding to the clamp 5, and a side groove is formed on one side of the upper cover plate 1 and the lower cover plate 2 corresponding to the needle; the upper clamp plate 52 and the lower clamp plate 51 of the clamp 5 slide along the sliding groove after being rotated and closed, and the side edge of the needle slides along the side groove, and a through groove is formed at the rear end of the lower cover plate 2.

[0018] In this embodiment, one side of the upper cover 1 is rotatably connected to one side of the lower cover 2, and a hook 11 is fixedly provided on the other side of the upper cover 1, a slot 21 is provided on the other side of the lower cover 2, and a block 22 is slidably provided on the other side of the lower cover 2. After the upper cover 1 and the lower cover 2 are rotated and closed, the hook 11 is inserted into the slot 21, and the block 22 is slidably inserted into the slot 21 to cooperate with the hook 11 to prevent the hook 11 from falling out of the slot 21; the block 22 is connected to the lower cover 2 by an elastic element, and under the action of the elastic element, the block 22 has a tendency to slide forward and cooperate with the hook 11; In this embodiment, the protective shell can be made of stainless steel and can be sterilized and recycled. When the upper cover 1 and the lower cover 2 of the protective shell are rotated and closed, the clamp 5 can be confined in the sliding groove. The hook 11 is inserted into the slot 21 and cooperates with the block 22 to prevent the hook 11 from escaping the slot 21. The protective shell can also be made of plastic, preferably medical grade polypropylene (PP) or acrylonitrile-butadiene-styrene copolymer (ABS). PP has a lower cost and good chemical resistance. ABS has better strength, rigidity and surface finish.

[0019] Example 4: For examples 1-3, please refer to Figure 1-4In this embodiment, in order to facilitate the sliding of the clamp 5, a connecting rod 4 is fixedly provided at one end of the lower clamping plate 51, and a handle 3 is fixedly provided on the connecting rod 4. A rod groove corresponding to the connecting rod 4 is provided on the lower cover plate 2. By holding the handle 3, the clamp 5 can be pulled to slide through the connecting rod 4, thereby pulling out the needle and dragging it into the protective shell.

[0020] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A protective device for preventing needle stick injuries, comprising a catheter, a needle and a needle removal assembly, characterized in that: The needle removal assembly includes a protective shell and a clamp, and the clamp is slidably and detachably installed in the protective shell; the protective shell includes an upper cover plate and a lower cover plate, and the clamp includes an upper splint and a lower splint, and the needle is clamped and fixed by the upper splint and the lower splint, and the needle is brought into the protective shell by sliding the clamp.

2. A protective device for preventing needle stick injuries according to claim 1, characterized in that: One side of the upper splint is rotatably connected to one side of the lower splint, a plurality of lock posts are fixedly provided on the upper splint, and a plurality of lock holes are provided on the upper splint corresponding to the lock posts. After the upper splint and the lower splint are rotated and closed, the lock posts are inserted into the lock holes to restrict the upper splint and the lower splint from rotating and separating.

3. A protective device for preventing needle stick injuries according to claim 1, characterized in that: The upper and lower splints are provided with fixing grooves corresponding to the catheter and the needle, and the catheter and the needle are confined in the fixing grooves after the upper and lower splints are rotated and closed.

4. A protective device for preventing needle stick injuries according to claim 1, characterized in that: A connecting rod is fixedly provided at one end of the lower clamping plate, a handle is fixedly provided on the connecting rod, and a rod groove is provided on the lower cover plate corresponding to the connecting rod.

5. A protective device for preventing needle stick injuries according to claim 1, characterized in that: The upper cover plate and the lower cover plate are provided with sliding grooves corresponding to the clamp, and side grooves are provided on one side of the upper cover plate and the lower cover plate corresponding to the needle; the upper and lower clamping plates of the clamp slide along the sliding grooves after being rotated and closed, and the side edges of the needle slide along the side grooves.

6. A protective device for preventing needle stick injuries according to claim 1, characterized in that: A through slot is formed at the rear end of the lower cover plate.

7. A protective device for preventing needle stick injuries according to claim 1, characterized in that: One side of the upper cover is rotatably connected to one side of the lower cover, a hook is fixedly provided on the other side of the upper cover, a slot is provided on the other side of the lower cover, and a card block is slidably provided on the other side of the lower cover. After the upper and lower covers are rotated and closed, the hook is inserted into the slot, and the card block is slidably inserted into the slot and cooperates with the hook to limit the hook from escaping the slot.

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