CN111249581B - Needle cutting device for transfusion device - Google Patents
Needle cutting device for transfusion device Download PDFInfo
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- CN111249581B CN111249581B CN202010275577.9A CN202010275577A CN111249581B CN 111249581 B CN111249581 B CN 111249581B CN 202010275577 A CN202010275577 A CN 202010275577A CN 111249581 B CN111249581 B CN 111249581B
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- lining plate
- opening
- fixed
- rotating block
- groove
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/3278—Apparatus for destroying used needles or syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/3278—Apparatus for destroying used needles or syringes
- A61M2005/3282—Apparatus for destroying used needles or syringes using mechanical means, e.g. mills
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a needle breaker of an infusion apparatus, which comprises a lining plate, a blade, a guide rod, a handle, a tension spring and an upper cover, wherein a square hole is formed in the middle of the lining plate, a limiting sheet is fixed on the lining plate above the square hole, and a clamping groove is formed in the limiting sheet; a rotating block is arranged on the lining plate below the square hole, and the blade is fixed on the rotating block; a limiting block is fixed on the lining plate below the square hole, and a clamping channel is formed between the rotating block and the limiting block; the handle is hinged with the guide rod, the guide rod is fixed with the rotating block, and the tension spring is hinged with the guide rod; the upper cover above the square hole is provided with a U-shaped hole, and the upper end of the deep groove is communicated with the U-shaped hole. When the infusion set is used, the infusion set is inserted into the clamping groove, the lower end of the infusion set is placed into the deep groove, the handle is pulled, the needle head is pulled out of the infusion bag, the blade cuts off the infusion set, the needle head is not exposed in the whole process, the blade is hidden in an instrument, and a nurse is prevented from directly contacting the needle head.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a needle breaker of an infusion apparatus.
Background
In the medical health trade, disposable transfusion system is in clinical wide application, after the patient pulls out the needle at present in clinical work, the nurse can do the type processing of destroying to transfusion system and infusion bag, the process is for pulling out the transfusion system syringe needle from the infusion bag in, put into special garbage bin with the infusion bag, cut down to sharp weapon box with the syringe needle with the scissors, put into medical waste bag again to the transfusion system, in this operation, expose the syringe needle, use the scissors to have increased the unexpected injury risk of nurse, used scissors does not have corresponding disinfection standard, the nurse is injured the back and more increases the probability of wound surface infection. In the clinical nursing process, nursing personnel face various occupational hazards, such as accidental needle point puncture caused by operating various injection needles, puncture needles, suture needles and the like and deep skin injury which is enough to cause the bleeding of an injured person caused by the incised wound of other sharp objects. Needle stick injuries are one of the most common occupational injuries in nursing work, and the high incidence rate of the injuries is the main cause of nurse infection with hematogenous spread diseases. The novel coronary pneumonia epidemic situation that erupts in the early 2020, the infectivity is strong, the incubation period is long, infect the number of people and sharply increase in short-term, most medical personnel are at the first line overload work of epidemic prevention, ward nursing staff has worn gauze mask, protective clothing, goggles and gloves in order to prevent to infect new coronary pneumonia, but these are equipped the field of vision that has influenced the nurse, have reduced the sense of touch, high strength work is also tired easily, more easily be stabbed by the syringe needle when operation transfusion system syringe needle separation, cause nursing staff to infect new coronary pneumonia, cross infection between the medical care.
Disclosure of Invention
The invention provides a needle breaker of an infusion apparatus to overcome the defects of the technical problems.
The needle breaker of the infusion apparatus comprises a lining plate, a blade, a guide rod, a handle, a tension spring and an upper cover, wherein a square hole is formed in the middle of the lining plate, a limiting piece for limiting an infusion bag is fixed on the lining plate above the square hole, and a clamping groove for the infusion apparatus to pass through is formed in the limiting piece; the lining plate below the square hole is provided with a rotating block, the rotating block is hinged to the lining plate, the end part of the rotating block is provided with an arc-shaped surface, and the blade is fixed on the rotating block; a limiting block is fixed on the lining plate below the square hole, a clamping channel for clamping the infusion apparatus is formed between the limiting blocks by the rotating block, and a deep groove is formed in the upper cover above the clamping channel; a pull rod is fixed on the handle, the end part of the pull rod is hinged to one end of the guide rod, the other end of the guide rod is fixed at the rotary speed, one end of a tension spring is fixed on the lining plate, and the other end of the tension spring is fixed at the hinged position of the pull rod and the guide rod; the upper cover is fixed on the lining plate, a U-shaped hole is formed in the upper cover above the square hole, and the upper end of the deep groove is communicated with the U-shaped hole.
According to the transfusion device needle breaker, the rotating block and the limiting block are respectively positioned on the left side and the right side of the deep groove, and the left side surface of the limiting block is aligned with the right end surface of the deep groove; the rotating block is provided with a sixth opening, the arc-shaped surface rotates around the rotating shaft passing through the sixth opening, and the difference between the distance from the limiting block to the center of the sixth opening and the distance from the arc-shaped surface to the center of the sixth opening is smaller than the outer diameter of the infusion apparatus; the distance between the limiting block and the center of the sixth open hole is smaller than or equal to the distance between the cutting edge of the blade and the center of the sixth open hole.
The invention relates to a transfusion device needle breaker, wherein a U-shaped buckle is fixed on a pull rod, a U-shaped groove is formed in the U-shaped buckle, a pin is arranged on the U-shaped groove, the joint of a tension spring and a guide rod is arranged in the U-shaped groove, and the tension spring is hinged to the guide rod through the pin and the U-shaped buckle.
According to the transfusion device needle breaker, the lining plate is provided with the third opening which is coaxial with the sixth opening on the rotating block, and the lining plate and the rotating block are connected through the rotating shaft which penetrates through the third opening and the sixth opening; seted up curved first guide way and second guide way on the welt, seted up first trompil and second trompil on the guide bar, seted up fourth trompil and fifth trompil on the rotatory piece, the guide bar is fixed through first trompil and fourth trompil with rotatory fast, and the guide bar is fixed mutually through second trompil and fifth trompil with rotatory fast.
The invention relates to a needle breaker of an infusion apparatus, wherein the upper end of a lining plate is provided with an upper fixing sheet and a lower fixing sheet, the upper fixing sheet is parallel to the lower fixing sheet, a groove is formed between the upper fixing sheet and the lower fixing sheet, and through holes are formed in the upper fixing sheet and the lower fixing sheet.
The upper edge of the upper cover is provided with an upper bend, the height of the upper bend is larger than or equal to the width of the blade, the rear section of the upper cover is provided with a rear bend, the rear end face of the lining plate is fixed with a stud, and the rear bend is fixed on the stud; the lower end face of the upper cover is provided with a lower bend, and a limit groove for the pull rod to penetrate is formed in the lower bend.
According to the transfusion device needle breaker, the lining plate 1 below the square hole 38 is provided with the gasket 13, the gasket 13 is arranged at the upper end of the guide rod 12, and the gasket 13 is collinear with the deep groove 7.
According to the transfusion device needle breaker, in clinical work, after a nurse pulls out a needle from a patient, the transfusion device and a transfusion bag need to be destroyed, when the device is used, a needle head of the transfusion device is pulled out of a transfusion bag, the transfusion device is inserted into a clamping groove, a transfusion tube of the transfusion bag is clamped outside the clamping groove, the lower end of the transfusion device is placed into a deep groove, a handle is pulled, the needle head can be pulled out of the transfusion bag, a blade cuts off the transfusion device, the needle head is separated from the transfusion device, the needle head penetrates through a U-shaped hole and a square hole and falls into a lower sharp tool box, the operation is finished, the handle is loosened, the needle head is not exposed in the whole process, the blade is hidden in an instrument, the direct contact of the needle head of the nurse is avoided, accidental acupuncture injury is reduced, nursing staff are protected from being infected, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the needle breaker of the infusion apparatus of the present invention;
FIG. 2 is a schematic rear view of the needle-cutting device of the infusion apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the needle interrupter of the infusion set of the present invention;
fig. 4 is a schematic structural view of the transfusion system needle-breaking device in use.
In the figure: the infusion bag comprises a liner plate 1, a right-angle piece 2, a limiting piece 3, a clamping groove 4, a blade 5, a rotating block 6, a deep-type groove 7, a through hole 8, an upper fixing piece 9, a lower fixing piece 10, an upper bend 11, a guide rod 12, a gasket 13, an upper cover 14, a handle 15, a buckle 16U-shaped buckle 17, a pull rod 18, a limiting groove 19, a lower bend 19, a pin 20, a back bend 21, a stud 22, a first opening 23, a second opening 24, a first guide groove 25, a third opening 26, a second guide groove 27, a fourth opening 28, a fifth opening 29, a sixth opening 30, a limiting block 31, an infusion bag 32, a needle 33, an infusion tube 34, an infusion apparatus 35, a tension spring 36, a groove 37U-shaped groove, a square hole 38, a U-shaped hole 39U-shaped hole, a groove 40, a clamping channel 41 and an arc-shaped surface 42.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, 2 and 3, the structural schematic diagram of the infusion apparatus needle breaker of the present invention is provided, the shown infusion apparatus needle breaker includes a lining plate 1, a blade 5, a guide rod 12, a handle 15, a tension spring 36 and an upper cover 14, a square hole 38 is provided in the center of the lining plate 1, a limiting plate 3 for limiting an infusion bag 32 is fixed on the lining plate 1 above the square hole 38, a right-angle plate 2 is provided on the limiting plate 3, the right-angle plate 2 is fixed on the lining plate 1, a clamping groove 4 for the infusion apparatus 35 to pass through is provided on the limiting plate 3, the infusion tube 34 of the infusion bag 32 is clamped by the clamping groove 4, and the diameter size of the clamping groove 4 is larger than the outer diameter size of the infusion apparatus 35 and smaller than the outer diameter size of the infusion tube 34. A rotating block 6 is arranged on the lining plate 1 below the square hole 38, and the blade 5 is fixed on the rotating block 6; a sixth open hole 30 is formed in the rotating block 6, a third open hole 26 is formed in the lining plate 1, the sixth open hole 30 and the third open hole 26 are coaxial, the lining plate 1 and the rotating block 6 are connected through a rotating shaft penetrating through the sixth open hole 30 and the third open hole 26, and the rotating block 6 rotates around the rotating shaft; the end part of the rotating block 6 is provided with an arc surface 42, the arc surface 42 rotates around a rotating shaft passing through the sixth open hole 30, a limiting block 31 is fixed on the lining plate 1 below the square hole 38, and the difference value between the distance from the limiting block 31 to the center of the sixth open hole 30 and the distance from the arc surface 42 to the center of the sixth open hole 30 is smaller than the outer diameter of the infusion apparatus 35. A clamping channel 41 for clamping the infusion apparatus 35 is formed between the rotating block 6 and the limiting block 31, a deep groove 7 is formed in the upper cover 14 above the clamping channel 41, the rotating block 6 and the limiting block 31 are respectively located on the left side and the right side of the deep groove 7, the left side face of the limiting block 31 is aligned with the right end face of the deep groove 7, and the distance between the left side face of the limiting block 31 and the center of the sixth open hole 30 is smaller than or equal to the distance between the cutting edge of the blade 5 and the center of the sixth open hole 30. A pull rod 17 is fixed on the handle 15, the end part of the pull rod 17 is hinged with one end of the guide rod 12, the other end of the guide rod 12 is fixedly connected with the rotating block 6, one end of a tension spring 36 is fixed on the lining plate 1, and the other end is fixed at the hinged position of the pull rod 17 and the guide rod 12. The upper cover 14 is fixed on the lining plate 1, a U-shaped hole 39 is formed in the upper cover 14 above the square hole 38, and the upper end of the deep groove 7 is communicated with the U-shaped hole 39.
As shown in fig. 2, which shows a schematic rear view structure of the needle breaker of the infusion apparatus of the present invention, a U-shaped buckle 16 is fixed on a pull rod 17, a U-shaped groove 37 is formed on the U-shaped buckle 16, a pin 20 is arranged on the U-shaped groove 37, a connection point between a tension spring 36 and a guide rod 12 is arranged in the U-shaped groove 37, and the tension spring 36 is hinged to the guide rod 12 through the pin 20.
As shown in fig. 2 and 3, a rear view structural schematic diagram and an internal structural schematic diagram of the needle breaker of the infusion apparatus of the present invention are provided, the liner plate 1 is provided with an arc-shaped first guide groove 25 and a second guide groove 27, the guide rod 12 is provided with a first opening 23 and a second opening 24, the rotation block 6 is provided with a fourth opening 28 and a fifth opening 29, the guide rod 12 and the rotation block 6 are fixed through a shaft passing through the first opening 23 and the fourth opening 28, the guide rod 12 and the rotation block 6 are fixed through a shaft passing through the second opening 24 and the fifth opening 29, the pull handle 15 drives the guide rod 12 to move downward, the guide rod 12 drives the rotation block 6 to rotate around the center of the sixth opening 30, the shaft passing through the first opening 23 and the fourth opening 28 slides along the first guide groove 25, the shaft passing through the second opening 24 and the fifth opening 29 slides along the second guide groove 27, and the arc-shaped surface 42 rotates around the center of the sixth opening 30.
As shown in figure 1, the structural schematic diagram of the transfusion device needle breaker of the invention is given, the upper end of the lining plate 1 is provided with an upper fixing piece 9 and a lower fixing piece 10, the upper fixing piece 9 is parallel to the lower fixing piece 10, a groove 40 is formed between the upper fixing piece 9 and the lower fixing piece 10, and the upper fixing piece (9) and the lower fixing piece 10 are provided with through holes 8. When the infusion apparatus is in use, a support frame or a handrail of a hospital is inserted into the groove 40, and a screw penetrates through the through hole 8 to fix the infusion apparatus needle breaker so as to be convenient to operate.
As shown in fig. 1 and 2, the structure schematic diagram of the infusion apparatus needle breaker of the present invention is shown, an upper edge of the upper cover 14 is provided with an upper bend 11, the height of the upper bend 11 is greater than or equal to the width of the blade 5, and the infusion apparatus needle breaker protects a caregiver from being scratched by the blade 5 when in operation. The rear end face of the upper cover 14 is provided with a rear bend 21, the rear end face of the lining plate 1 is fixed with a stud 22, and the rear bend 21 is fixed on the stud 22; the lower end of the upper cover 14 is provided with a lower bend 19, the lower bend 19 is provided with a limiting groove 18 for the pull rod 17 to penetrate, the pull rod 17 can move left and right along the limiting groove 18, the direction of the handle 15 can be adjusted at any time by the pulling of a nursing staff, the handle 15 can be pulled at a comfortable angle, and time and labor are saved.
Referring to fig. 1, which shows a schematic structural view of the infusion set needle breaker of the present invention, a gasket 13 is disposed on the lining plate 1 below the square hole 38, the gasket 13 is disposed at the upper end of the guide rod 12, and the gasket 13 is collinear with the deep groove 7 to prevent the cut needle 33 from being clamped into the deep groove 7.
As shown in fig. 4, a structural schematic diagram of the infusion apparatus needle breaker of the invention when in use is given, when the device of the invention is in use, the needle 33 of the infusion apparatus 35 is inserted into the infusion bag 32, the infusion apparatus 35 is inserted into the slot 4, the infusion tube 34 of the infusion bag 32 is clamped at the upper end of the slot 4, the lower end of the infusion apparatus 35 is placed into the deep groove 7, the handle 15 is pulled, the pull rod 17 pulls the tension spring 36 and the guide rod 12 to move downwards, the guide rod 12 drives the rotating block 6 to rotate, the arc-shaped surface 42 rotates towards the direction of the limit block 31 to squeeze the infusion apparatus 35, the friction force between the arc-shaped surface 42 and the infusion apparatus 35 is greater than the suction force of the infusion tube 34 to the needle 33, the infusion apparatus 35 is driven to move downwards under the friction force of the arc-shaped surface 42, the needle 33 is pulled out, the rotating block 6 drives the blade 5 to rotate to the limit block 31, the blade 5 cuts off the infusion apparatus 35, so as to realize the separation of the needle 33 and the infusion apparatus 35, the needle 33 passes through the U-shaped hole 39 and the square hole 38 and falls into the sharps box below, the handle 15 is loosened, the tension spring 36 is reset, the rotating block 6 and the blade 5 are driven to reset, the needle 33 is not exposed in the whole working process, and the blade 5 is hidden in the instrument, so that any accidental injury to nurses is avoided.
When the device is used, the needle head of the infusion set is pulled out of the infusion bag, the infusion set is inserted into the clamping groove, the infusion tube of the infusion bag is clamped outside the clamping groove, the lower end of the infusion set is placed into the deep groove, the needle head can be pulled out of the infusion bag by pulling the handle, the blade cuts off the infusion set, the needle head is separated from the infusion set, the needle head penetrates through the U-shaped hole and the square hole and falls into the lower edge tool box, the operation is finished, the handle is loosened, the needle head is not exposed in the whole process, the blade is hidden in the device, a nurse is prevented from directly contacting the needle head, accidental acupuncture injury is reduced, the nursing staff is protected from being infected, and the working efficiency is improved.
Claims (7)
1. A needle breaker of an infusion apparatus is characterized in that: the infusion bag limiting device comprises a lining plate (1), a blade (5), a guide rod (12), a handle (15), a tension spring (36) and an upper cover (14), wherein a square hole (38) is formed in the middle of the lining plate (1), a limiting sheet (3) for limiting an infusion bag (32) is fixed on the lining plate (1) above the square hole (38), and a clamping groove (4) for allowing an infusion apparatus (35) to pass through is formed in the limiting sheet (3); a rotating block (6) is arranged on the lining plate (1) below the square hole (38), the rotating block (6) is hinged on the lining plate (1), an arc-shaped surface (42) is arranged at the end part of the rotating block (6), and the blade (5) is fixed on the rotating block (6); a limiting block (31) is fixed on the lining plate (1) below the square hole (38), a clamping channel (41) for clamping the infusion apparatus is formed between the rotating block (6) and the limiting block (31), and a deep groove (7) is formed in the upper cover (14) above the clamping channel (41); a pull rod (17) is fixed on the handle (15), the end part of the pull rod (17) is hinged at one end of the guide rod (12), the other end of the guide rod (12) is fixedly connected with the rotating block (6), one end of a tension spring (36) is fixed on the lining plate (1), and the other end of the tension spring is fixed at the hinged position of the pull rod (17) and the guide rod (12); the upper cover (14) is fixed on the lining plate (1), a U-shaped hole (39) is formed in the upper cover (14) above the square hole (38), and the upper end of the deep groove (7) is communicated with the U-shaped hole (39).
2. The infusion set needle interrupter according to claim 1, wherein: a third opening (26) is formed in the lining plate (1), the third opening (26) is coaxial with a sixth opening (30) in the rotating block (6), and the lining plate (1) is connected with the rotating block (6) through a rotating shaft penetrating through the third opening (26) and the sixth opening (30); arc-shaped first guide groove (25) and second guide groove (27) are formed in the lining plate (1), first opening holes (23) and second opening holes (24) are formed in the guide rods (12), fourth opening holes (28) and fifth opening holes (29) are formed in the rotating block (6), the guide rods (12) are fixed with the rotating block (6) through the first opening holes (23) and the fourth opening holes (28), and the guide rods (12) are fixed with the rotating block (6) through the second opening holes (24) and the fifth opening holes (29).
3. The infusion set needle interrupter according to claim 2, wherein: the rotating block (6) and the limiting block (31) are respectively positioned at the left side and the right side of the deep groove (7), and the left side surface of the limiting block (31) is aligned with the right end surface of the deep groove (7); a sixth opening (30) is formed in the rotating block (6), the arc-shaped surface (42) rotates around a rotating shaft passing through the sixth opening (30), and the difference between the distance from the limiting block (31) to the center of the sixth opening (30) and the distance from the arc-shaped surface (42) to the center of the sixth opening (30) is smaller than the outer diameter of the infusion apparatus (35); the distance between the left side surface of the limiting block (31) and the center of the sixth opening hole (30) is smaller than or equal to the distance between the cutting edge of the blade (5) and the center of the sixth opening hole (30).
4. The infusion set needle interrupter according to claim 1, wherein: a U-shaped buckle (16) is fixed on the pull rod (17), a U-shaped groove (37) is formed in the U-shaped buckle (16), a pin (20) is arranged on the U-shaped groove (37), the joint of the tension spring (36) and the guide rod (12) is arranged in the U-shaped groove (37), and the tension spring (36) and the guide rod (12) are hinged with the U-shaped buckle (16) through the pin (20).
5. The infusion set needle interrupter according to claim 1, wherein: the upper end of welt (1) be provided with stationary blade (9) and stationary blade (10) down, go up stationary blade (9) and be parallel with stationary blade (10) down, go up and be formed with between stationary blade (9) and lower stationary blade (10) recess (40), go up stationary blade (9) and seted up through-hole (8) on stationary blade (10) down.
6. The infusion set needle interrupter according to claim 1, wherein: an upper bend (11) is arranged at the upper edge of the upper cover (14), the height of the upper bend (11) is greater than or equal to the width of the blade (5), a rear bend (21) is arranged on the rear end face of the upper cover (14), a stud (22) is fixed on the rear end face of the lining plate (1), and the rear bend (21) is fixed on the stud (22); the lower end of the upper cover (14) is provided with a lower bend (19), and the lower bend (19) is provided with a limit groove (18) for the pull rod (17) to penetrate.
7. The infusion set needle interrupter according to claim 1, wherein: a gasket (13) is arranged on the lining plate (1) below the square hole (38), the gasket (13) is arranged at the upper end of the guide rod (12), and the gasket (13) is positioned right above the deep groove (7).
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CN202010275577.9A CN111249581B (en) | 2020-04-09 | 2020-04-09 | Needle cutting device for transfusion device |
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CN202010275577.9A CN111249581B (en) | 2020-04-09 | 2020-04-09 | Needle cutting device for transfusion device |
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CN111249581B true CN111249581B (en) | 2022-04-08 |
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CN112497279A (en) * | 2020-11-18 | 2021-03-16 | 南通大学附属医院 | Automatic infusion leather strap cutting and separating mechanism |
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CN105730941A (en) * | 2016-04-29 | 2016-07-06 | 嘉兴市第一医院 | Automatic separator for needles of infusion apparatus |
CN206603993U (en) * | 2016-12-14 | 2017-11-03 | 中国人民解放军第三军医大学第三附属医院 | Disposable portable needle head separator |
CN208160801U (en) * | 2017-07-03 | 2018-11-30 | 青岛大学附属医院 | A kind of sharp instrument box with cutter device |
CN208852160U (en) * | 2018-04-05 | 2019-05-14 | 郑春凤 | A kind of anti-infection isolating device of Pediatric Clinic medical use |
CN209019643U (en) * | 2018-08-22 | 2019-06-25 | 无锡市第二人民医院 | A kind of broken needle device |
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