CN110732062B - Needle device is unloaded to formula of pushing down - Google Patents
Needle device is unloaded to formula of pushing down Download PDFInfo
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- CN110732062B CN110732062B CN201910712984.9A CN201910712984A CN110732062B CN 110732062 B CN110732062 B CN 110732062B CN 201910712984 A CN201910712984 A CN 201910712984A CN 110732062 B CN110732062 B CN 110732062B
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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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- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a downward-pressing needle unloading device which comprises a supporting shell, a needle unloading assembly and a reset spring, wherein the needle unloading assembly comprises an upper clamping plate, a lower clamping plate, a first rack, a second rack, a gear and a reset spring, the upper clamping plate and the lower clamping plate are arranged in the supporting shell and are in sliding connection with the supporting shell, the lower clamping plate is arranged below the upper clamping plate, the first rack is fixed with the supporting shell, the gear is rotatably connected with the upper clamping plate, the second rack is fixed with the lower clamping plate, two sides of the gear are respectively meshed with the first rack and the second rack, one end of the reset spring is fixed with the supporting shell, the other end of the reset spring is connected with the needle unloading assembly, an upper clamping groove is formed in the upper clamping plate, a lower clamping groove is formed in the lower clamping plate, and the upper clamping groove and the lower clamping groove are arranged at opposite positions. The invention provides a downward-pressing type needle unloading device; the needle unloading device has the advantages of simple structure, low manufacturing cost, convenient movement, simple needle unloading operation, high needle unloading efficiency and the like.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a downward pressing type needle unloading device.
Background
The medical injection syringe mainly comprises a syringe body, a needle head and a needle head fixing seat. After the needle is used, the blood of the patient remains, when the blood of the patient contains infectious substances such as viruses, bacteria and the like, the substances can be the infection sources of infectious diseases, such as AIDS, hepatitis, syphilis and the like, and once the needle is infected, the treatment difficulty is extremely high, and huge physical and psychological damage can be caused to the infected person. Therefore, there is a need to safely dispose of the needle, usually by placing the used needle in a special sharps collection box, and to avoid direct manual access to the needle during disposal. Some needle unloading devices are also available in the prior art, but most of the needle unloading devices are in a clamping and pulling mode, namely, a needle head is clamped into the device and pulled out of a needle cylinder, so that the needle head is separated from the needle cylinder. The needle unloading device needs to be fixed at a certain position by adopting a clamping and pulling mode, or the needle unloading device is pressed by the other hand, so that the needle unloading device is inconvenient to move and operate. There are also devices using electric needle-removing device, but the electric driving device and the transmission structure and control device are introduced, resulting in complicated structure of the needle-removing device, relatively high manufacturing cost, and relatively complicated and simple operation because each evidence-obtaining still needs to connect the power supply and turn on the switch. Therefore, it is necessary to design a needle unloading device which is simple in operation, safe and convenient in needle taking process, free in movement of the needle unloading device and convenient to move to a proper position for use.
Chinese patent application publication No. CN204543146U, published as 2015, 08 and 12, entitled "a needle removing device", discloses a needle removing device, which consists of a motor, two meshed identical gears, two clamping jaws, two eccentric axles, two sliding axle sleeves and a support; the two clamping jaws, the two eccentric wheel shafts and the two sliding shaft sleeves are arranged in a mirror symmetry manner, and the motor drives the two eccentric wheel shafts through two meshed same gears; when the needle head extends into the space between the teeth of the clamping jaws of the needle head removing device, the sensor triggers the micro switch to start the motor, power is transmitted to the eccentric wheel through two meshed same gears, the eccentric wheel shaft drives the eccentric wheel sleeve to generate repeated action of forward, downward, backward and upward, and therefore the sliding shaft fixed on the eccentric wheel sleeve drives the clamping jaws to generate repeated action of clamping jaws tightly and releasing upward. However, the electric needle removing device provided by the patent is relatively complex in structure, can be used only by connecting a power supply and turning on a switch, and is inconvenient to use.
Disclosure of Invention
The invention provides a downward-pressing type needle unloading device, aiming at solving the problems of complicated structure and complicated needle unloading operation of the needle unloading device in the prior art; the needle unloading device has the advantages of simple structure, low manufacturing cost, convenient movement, simple needle unloading operation, high needle unloading efficiency and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a needle device is unloaded to formula of pushing down, which comprises a supporting shell, unload needle subassembly and reset spring, it includes the cardboard to unload the needle subassembly, lower cardboard, first rack, the second rack, gear and reset spring, it sets up in the supporting shell and with supporting shell sliding connection to go up the cardboard, lower cardboard sets up in the supporting shell and with supporting shell sliding connection, lower cardboard sets up in last cardboard below, first rack is fixed with the supporting shell, the gear rotates with last cardboard to be connected, the second rack is fixed with lower cardboard, first rack and second rack set up the relative both sides at the gear, the both sides of gear respectively with first rack and second rack meshing, reset spring's one end is fixed with the supporting shell, reset spring's the other end and unload the needle subassembly and be connected, be equipped with the draw-in groove on going up the cardboard, be equipped with lower draw-in groove on the cardboard down, go up draw-in groove and lower draw-in groove setting on relative position.
In the above technical scheme, the up-down direction is the direction when the device is normally used. One end of the reset spring is connected with the supporting shell, and the other end of the reset spring can be connected with a part which moves up and down in the device, such as an upper clamping plate, a lower clamping plate and a second rack. When the device is used for needle removal, a needle head only needs to penetrate through the upper clamping plate and the lower clamping plate, a connecting gap between the needle head and the needle cylinder is clamped into the upper clamping groove, the needle head is clamped into the lower clamping groove, the upper clamping plate or the needle cylinder is pressed downwards, the upper clamping plate moves downwards under the action of pressure to drive the gear to move downwards, the gear rotates when moving downwards due to the fixation of the first rack, the gear drives the second rack to move downwards when moving downwards and rotating, the gear is meshed with the second rack, the downward movement of the gear can drive the second rack to move downwards, the rotation of the gear can drive the second rack to move downwards, and the downward movement distance of the second rack is twice as long as the downward movement distance of the gear; the second rack is fixed with lower cardboard, and the gear rotates with last cardboard to be connected, consequently, the two times of cardboard when moving down the distance of lower cardboard, when pressing down and pressing up the cardboard, the lower draw-in groove on the lower cardboard can be extracted the syringe needle, accomplishes and unloads the needle. Medical personnel only need go into draw-in groove and last draw-in groove down with the syringe needle card to press down and to realize unloading the needle function, unload needle process easy operation, and only press down when unloading the needle, consequently the support shell need not additionally fixed, only need place on the desktop can, conveniently unload the removal and the use of needle device. The needle-removing process can be completed by one hand without pressing the supporting shell.
Preferably, one end of the upper clamping groove is provided with a through hole, and one end of the lower clamping groove is provided with a through hole. The through hole is convenient for the needle head and the needle cylinder to be clamped into the upper clamping groove and the lower clamping groove.
Preferably, the upper clamping plate is provided with a plurality of upper clamping grooves, the lower clamping plate is provided with a plurality of lower clamping grooves, and the upper clamping grooves correspond to the lower clamping grooves one to one. A plurality of upper clamping grooves and lower clamping grooves with different sizes can be arranged as required to adapt to needles of different models.
Preferably, the upper clamping groove is a V-shaped groove, and the lower clamping groove is a V-shaped groove. The V-shaped groove can enable the upper clamping groove and the lower clamping groove to be matched with more needles, and the needles can be conveniently clamped into the V-shaped groove.
Preferably, the upper surface of the lower clamping plate is provided with a sliding inclined plane, the sliding inclined plane is arranged near the lower clamping groove, and the height of the upper end face of the large opening end of the lower clamping groove is lower than that of the upper end face of the small opening end of the lower clamping groove. The landing inclined plane can make the syringe needle pull out the back and along the landing inclined plane landing to cardboard below down, is convenient for collect.
Preferably, the upper clamping plate is provided with reinforcing ribs, and the lower clamping plate is provided with reinforcing ribs. The strengthening rib can increase the structural strength of last cardboard and lower cardboard.
Preferably, an opening is formed below the supporting shell, a collecting box is arranged in the opening, and the collecting box is arranged inside the supporting shell. The collection box is convenient for collecting and taking out the needle.
Preferably, the first rack, the second rack and the gear form conversion assemblies, the number of the conversion assemblies is 2, and the 2 conversion assemblies are respectively arranged on two opposite sides of the upper clamping plate. The structure can make the needle unloading assembly more stable when moving and not easy to damage.
Preferably, the conversion assembly is disposed outside the support housing. The structure is convenient for installing and overhauling the conversion assembly.
Preferably, the device further comprises a protective shell, the protective shell is arranged on the outer side of the supporting shell and fixed with the supporting shell, and the conversion assembly is arranged in the protective shell. The structure can protect the conversion assembly.
The invention has the beneficial effects that: (1) the structure is simple, and the cost is low; (2) the needle unloading process is simple to operate, the needle unloading efficiency is high, and the operation can be completed by one hand; (3) the needle detaching device does not need to be additionally fixed and only needs to be placed on a table top, so that the needle detaching device is convenient to move and use; (4) different needles may be adapted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the conversion assembly of the present invention;
FIG. 3 is a schematic structural view of an upper clamping plate according to the present invention;
FIG. 4 is a sectional view A-A shown in FIG. 3;
FIG. 5 is a schematic structural view of a lower clamping plate according to the present invention;
fig. 6 is a sectional view B-B shown in fig. 5.
In the figure: support shell 1, opening 1.1, unload needle subassembly 2, go up cardboard 2.1, go up draw-in groove 2.1.1, lower cardboard 2.2, draw-in groove 2.2.1 down, landing inclined plane 2.2.2, first rack 2.3, second rack 2.4, gear 2.5, through hole 2.7, strengthening rib 2.8, collection box 3, protective housing 4, reset spring 5.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1, a downward-pressing type needle discharging device comprises a supporting shell 1, a needle discharging assembly 2, a return spring 5 and a protective shell 4, wherein an opening 1.1 is arranged below the supporting shell 1, a collecting box 3 is arranged in the opening 1.1, and the collecting box 3 is arranged at the bottom of the supporting shell 1; the protective shell 4 is arranged outside the support shell 1 and fixed with the support shell 1;
as shown in fig. 2, the needle discharging assembly 2 includes an upper clamping plate 2.1, a lower clamping plate 2.2, a first rack 2.3, a second rack 2.4 and a gear 2.5, the upper clamping plate 2.1 is disposed in the supporting shell 1 and slidably connected to the supporting shell 1, the lower clamping plate 2.2 is disposed in the supporting shell 1 and slidably connected to the supporting shell 1, and the lower clamping plate 2.2 is disposed below the upper clamping plate 2.1;
the first rack 2.3, the second rack 2.4 and the gear 2.5 form conversion assemblies, the number of the conversion assemblies is 2, the 2 conversion assemblies are respectively arranged on two opposite sides of the upper clamping plate 2.1, and the conversion assemblies are arranged on the supporting shell 1;
the first rack 2.3 is fixed with the supporting shell 1, the gear 2.5 is rotatably connected with the upper clamping plate 2.1, the second rack 2.4 is fixed with the lower clamping plate 2.2, the first rack 2.3 and the second rack 2.4 are arranged on two opposite sides of the gear 2.5, two sides of the gear 2.5 are respectively meshed with the first rack 2.3 and the second rack 2.4, one end of the reset spring 5 is fixed with the supporting shell 1, the other end of the reset spring 5 is connected with the needle disassembling assembly 2, as shown in fig. 3 and 4, the upper clamping plate 2.1 is provided with a reinforcing rib 2.8 and a plurality of upper clamping grooves 2.1.1 with different sizes, as shown in fig. 5 and 6, the lower clamping plate 2.2 is provided with a reinforcing rib 2.8 and a plurality of lower clamping grooves 2.2.1 with different sizes, and the upper clamping grooves 2.1.1 and the lower clamping grooves 2.2.1 are in one-to-one correspondence; the upper clamping groove 2.1.1 is a V-shaped groove, the lower clamping groove 2.2.1 is a V-shaped groove, a large opening end of the upper clamping groove 2.1.1 is provided with a through hole 2.7, and a large opening end of the lower clamping groove 2.2.1 is provided with a through hole 2.7; the upper surface of the lower clamping plate 2.2 is provided with a sliding inclined plane 2.2.2, the sliding inclined plane 2.2.2 is arranged near the lower clamping groove 2.2.1, and the height of the upper end surface of the large-opening end of the lower clamping groove 2.2.1 is lower than that of the upper end surface of the small-opening end of the lower clamping groove 2.2.1.
In the above technical scheme, the up-down direction is the direction when the device is normally used. One end of the return spring 5 is connected with the supporting shell 1, and the other end of the return spring 5 can be connected with a part which moves up and down in the device, such as an upper clamping plate 2.1, a lower clamping plate 2.2 and a second rack 2.4. When the device is used for needle removal, a needle head only needs to penetrate through the upper clamping plate 2.1 and the lower clamping plate 2.2, a connecting gap between the needle head and the needle cylinder is clamped into the upper clamping groove 2.1, the needle head is clamped into the lower clamping groove 2.2.1, the upper clamping plate 2.1 or the needle cylinder is pressed downwards, the upper clamping plate 2.1 moves downwards under the action of pressure, the gear 2.5 is driven to move downwards, the gear 2.5 rotates when moving downwards due to the fact that the first rack 2.3 is fixed, the gear 2.5 drives the second rack 2.4 to move downwards when moving downwards, the gear 2.5 drives the second rack 2.4 to move downwards due to the fact that the gear 2.5 is meshed with the second rack 2.4, the downward movement of the gear 2.5 can drive the second rack 2.4 to move downwards, and the downward movement distance of the second rack 2.4 is two times of the downward movement distance of the gear 2.5; the second rack 2.4 is fixed with lower cardboard 2.2, and gear 2.5 rotates with last cardboard 2.1 to be connected, consequently, lower cardboard 2.2 move down the twice of going up cardboard 2.1 during the distance, press down when pressing up cardboard 2.1, lower draw-in groove 2.2.1 on the lower cardboard 2.2 can extract the syringe needle, accomplish and unload the needle. Medical personnel only need go into draw-in groove 2.2.1 and last draw-in groove 2.1.1 down with the syringe needle card to press down and to realize unloading the needle function, unload needle process easy operation, and only press down when unloading the needle, consequently support shell 1 need not additionally fixed, only need place on the desktop can, conveniently unload the removal and the use of needle device. The needle removal process can be completed with one hand without pressing the support housing 1.
The invention has the beneficial effects that: (1) the structure is simple, and the cost is low; (2) the needle unloading process is simple to operate, the needle unloading efficiency is high, and the operation can be completed by one hand; (3) the needle detaching device does not need to be additionally fixed and only needs to be placed on a table top, so that the needle detaching device is convenient to move and use; (4) different needles may be adapted.
Claims (9)
1. A downward-pressing type needle unloading device is characterized by comprising a supporting shell, a needle unloading assembly and a return spring, wherein the needle unloading assembly comprises an upper clamping plate, a lower clamping plate and a first rack, the second rack, gear and reset spring, go up the cardboard setting in the support shell and with support shell sliding connection, the cardboard setting is just with support shell sliding connection in the support shell down, the cardboard sets up in last cardboard below down, first rack is fixed with the support shell, the gear rotates with last cardboard to be connected, the second rack is fixed with lower cardboard, first rack and second rack set up the relative both sides at the gear, the both sides of gear respectively with first rack and second rack meshing, reset spring's one end is fixed with the support shell, reset spring's the other end links to each other with the part that can reciprocate in the needle subassembly of unloading, be equipped with draw-in groove on going up the cardboard, be equipped with down the draw-in groove down on the cardboard, go up draw-in groove and lower draw-in groove setting on relative position.
2. The push-down needle removing device as claimed in claim 1, wherein the upper engaging groove has an opening at one end thereof, and the lower engaging groove has an opening at one end thereof.
3. The needle dismounting device of claim 2, wherein the upper clamping plate is provided with a plurality of upper clamping grooves, the lower clamping plate is provided with a plurality of lower clamping grooves, and the upper clamping grooves and the lower clamping grooves are in one-to-one correspondence.
4. The push-down needle removing device according to claim 1, wherein the upper engaging groove is a V-shaped groove, and the lower engaging groove is a V-shaped groove.
5. The downward-pressing type needle dismounting device according to claim 4, wherein the upper surface of the lower clamping plate is provided with a sliding inclined surface, the sliding inclined surface is arranged near the lower clamping groove, and the height of the upper end surface of the large opening end of the lower clamping groove is lower than that of the upper end surface of the small opening end of the lower clamping groove.
6. A push down needle discharge apparatus as claimed in claim 1, 2, 3, 4 or 5 wherein the upper clamping plate has reinforcing ribs and the lower clamping plate has reinforcing ribs.
7. A push down type needle discharging device according to claim 1, 2, 3, 4 or 5, wherein the first rack, the second rack and the gear form conversion assemblies, the number of the conversion assemblies is 2, and 2 conversion assemblies are respectively arranged on two opposite sides of the upper clamping plate.
8. The push down needle release device of claim 7, wherein the transition member is disposed outside the support housing.
9. The push-down needle discharge apparatus according to claim 8, further comprising a protective case, the protective case being disposed outside and fixed to the support case, the conversion unit being disposed inside the protective case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712984.9A CN110732062B (en) | 2019-08-02 | 2019-08-02 | Needle device is unloaded to formula of pushing down |
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| CN201910712984.9A CN110732062B (en) | 2019-08-02 | 2019-08-02 | Needle device is unloaded to formula of pushing down |
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| CN110732062A CN110732062A (en) | 2020-01-31 |
| CN110732062B true CN110732062B (en) | 2021-07-20 |
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| CN111228616B (en) * | 2020-03-12 | 2024-08-27 | 南京市第二医院 | Safety sharp tool box for disassembling needle head of insulin pen |
| CN111671998B (en) * | 2020-05-26 | 2022-06-28 | 南京一剪酶生物科技有限公司 | Syringe needle separator for internal medicine |
| CN118526673A (en) * | 2024-06-28 | 2024-08-23 | 湖北科美特医用卫材有限公司 | Medical waste edge tool box |
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| EP2529777A1 (en) * | 2011-05-30 | 2012-12-05 | Sanofi-Aventis Deutschland GmbH | Needle assembly removal device |
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| CN204543146U (en) * | 2015-03-31 | 2015-08-12 | 上海星之塑医疗器械有限公司 | A kind of needle removing device |
| CN204846988U (en) * | 2015-06-02 | 2015-12-09 | 山东省肿瘤防治研究院 | Novel sharp ware bucket of medical treatment |
| CN205363993U (en) * | 2016-01-17 | 2016-07-06 | 周丽娟 | Box is collected in separation of venous transfusion needle tubing |
| CN109395211A (en) * | 2018-11-20 | 2019-03-01 | 金青青 | A kind of method for dismounting of novopen syringe needle |
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2019
- 2019-08-02 CN CN201910712984.9A patent/CN110732062B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496763A (en) * | 1990-08-10 | 1992-03-30 | Susumu Nakagawa | Instrument for disconnecting and recycling needle |
| JPH07464A (en) * | 1993-02-16 | 1995-01-06 | Sang In Han | Needle removing device |
| JPH10234797A (en) * | 1997-02-27 | 1998-09-08 | Rikio Naka | Used injection needle disposal implement |
| JP3893217B2 (en) * | 1998-05-25 | 2007-03-14 | 利喜夫 中 | Used needle removal structure and used needle disposal container using the same |
| CN102858391A (en) * | 2009-05-07 | 2013-01-02 | 药物注射器械公司 | Medicament dispensing device |
| EP2529777A1 (en) * | 2011-05-30 | 2012-12-05 | Sanofi-Aventis Deutschland GmbH | Needle assembly removal device |
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