CN104667380A - Novel transfusion needle fixing protection device - Google Patents
Novel transfusion needle fixing protection device Download PDFInfo
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- CN104667380A CN104667380A CN201510071219.5A CN201510071219A CN104667380A CN 104667380 A CN104667380 A CN 104667380A CN 201510071219 A CN201510071219 A CN 201510071219A CN 104667380 A CN104667380 A CN 104667380A
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- Prior art keywords
- sleeve
- transfusion
- needle
- transfusion needle
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
Abstract
The invention belongs to the technical field of medical instruments and particularly relates to a novel transfusion needle fixing protection device. The novel transfusion needle fixing protection device comprises a sleeve and a fixed sheet fixedly arranged below the front end of the sleeve, wherein the sleeve comprises an upper sleeve part and a lower sleeve part; one side of the upper sleeve part is connected with that of the lower sleeve part; the other side of the upper sleeve part is locked with that of the lower sleeve part through a buckle; the sleeve and the fixed sheet tilt for 3-5 degrees in the axis direction of the sleeve. In the transfusion process, the position of a transfusion needle can be well kept, so that the transfusion process is smooth; after transfusion is completed, the transfusion needle completely retracts into the fixing protection device, and the danger that a needle tip is exposed to puncture medical staff and the medical staff is infected with diseases is avoided.
Description
Technical field
The invention belongs to technical field of medical instruments, specifically a kind of novel infusion pin fixing protector.
Background technology
Present transfusion needle is all with immobilization with adhesive tape, causes feed liquor not smooth, make the swollen bubble in patient infusion position, increase patient painful because the operant level of medical personnel or the limb activity etc. of patient make transfusion needle beat be shifted.Cause transfusion needle to come off because the perspiration on the skin surface of patient easily makes adhesive plaster come off in addition, thus need secondary contact pin, add the misery of patient.Transfusion needle current in addition needle point after liquid of being totally lost is outside exposed, likely causes medical worker to be caught by stabbing.
Existing patent also has to be improved the fixed form of transfusion needle, if number of patent application is CN201110235780.4, the applying date is 2011-08-17, name is called the utility model patent of " transfusion needle fixture ", its technical scheme is as follows: a kind of transfusion needle fixture, comprises a sleeve pipe, a vane cluster and a stickers.This sleeve pipe has a syringe needle; This vane cluster comprises at least one fin, and this fin is incorporated into this sleeve pipe and composition surface bottom having; This stickers comprises at least one paster, this paster has relative one affixed and a bonding plane, the composition surface, bottom in this fin is amplexiformed in this affixed face, this bonding plane is provided with at least one depression, this bonding plane is made to divide into adhesioin zone and transmission district, wherein this adhesioin zone is the position beyond this depression, and this transmission district is to should the position of depression.And for example number of patent application is CN200420109589.0, the applying date is 2004-11-25, the utility model patent that name is called " having the disposable vein blood sampling of kep, transfusion needle ", its technical scheme is: this utility model relates to disposable vein blood sampling, transfusion needle.Problem to be solved be to provide a kind of prevent secondary pollution from occurring have kep disposable vein blood sampling, transfusion needle.Feature is: be provided with a rotating kep at needle handle rear portion, and kep is bar shaped cover cap shape, and in it, both sides correspondence is provided with projection, leaves the gap can blocking puncture needle between two projections.For another example number of patent application is CN201120098716.1, the applying date is 2011-04-07, name is called the utility model patent of " single use fixed infusion device ", its technical scheme is: single use fixed infusion device, it comprises protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air filter, dropping funnel, flow regulator, liquid medicine filter, venoclysis needle, described protective sleeve for bottle stopper puncture outfit covers on bottle plug puncture unit, bottle plug puncture unit lower end connects air filter successively by flexible pipe, dropping funnel, flow regulator, liquid medicine filter and venoclysis needle, it is characterized in that also being provided with sticker between described liquid medicine filter and venoclysis needle.
There is the problem of function singleness in above-mentioned three patents, and does not protect accordingly its needle point after transfusion needle uses, and it in use needle point is chosen and easily causes the shutoff of needle point liquid outlet, thus cause the problem of transfusion difficulty.
Summary of the invention
In order to overcome the problems referred to above that existing transfusion needle fixture exists, a kind of can avoiding while fixing transfusion needle of existing special proposition transfusion needle needle point is chosen the novel infusion pin fixing protector causing liquid outlet shutoff.
In order to realize above-mentioned effect, technical scheme of the present invention is as follows:
A kind of novel infusion pin fixing protector, it is characterized in that: include sleeve and be fixed on the stator below barrel forward end, described sleeve comprises cover portion and the portion that traps, the side in described upper cover portion and the side in the portion that traps are interconnected, and the opposite side in described upper cover portion is locked by the opposite side of snap close with the portion that traps; Described sleeve and stator are along gradient sleeve axis direction having 3 °-5 °, the side of described sleeve is respectively arranged with transfusion draw-in groove, transfusion needle fin chute and transfusion needle storage draw-in groove, described transfusion needle chute is between transfusion draw-in groove and transfusion needle storage draw-in groove, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove and transfusion needle storage draw-in groove, cylindrical space in described sleeve is sleeve chute, and described sleeve chute is received draw-in groove with described transfusion draw-in groove, transfusion needle fin chute with transfusion needle and is communicated with respectively.
Described snap close has two, and described two snap closes lay respectively at the two ends in upper and lower cover portion.After described two snap closes locking, described transfusion needle fixing protector is in closure state, not easily throws off voluntarily, effectively ensure that the position of transfusion needle in infusion process keeps, and rear transfusion needle of having infused is retracted into the protective effect of sleeve inner.
Described transfusion draw-in groove is provided with limited post away from one end of transfusion needle chute, and described limited post is cylindrical, protrudes from transfusion draw-in groove.During use, the limited post of transfusion needle fin is stuck in transfusion draw-in groove, prevents transfusion needle rocking in infusion process.
Described transfusion needle fin chute is skewed slot, its transfusion needle fin chute height near transfusion draw-in groove one end is greater than the chute height near transfusion needle storage draw-in groove one end, the angle of inclination of described skewed slot is 3 °-5 °, the end (storage draw-in groove end) of transfusion needle fin chute height from the front end (transfusion draw-in groove end) of sleeve to sleeve narrows gradually, the front height of transfusion needle fin chute is greater than foil thickness, facilitates transfusion needle to exit; Transfusion needle fin chute end chute height is less than foil thickness gradually, is clamped gradually by fin, prevents transfusion needle to the front end slippage of sleeve.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to the end of sleeve, until fin falls into the transfusion needle storage draw-in groove on sleeve, now transfusion needle can not move to the front end of sleeve again.
Described transfusion needle storage draw-in groove is rectangle.After transfusion needle is retracted into sleeve inner completely, fin falls in storage draw-in groove, and transfusion needle can not move forward again.
Described sleeve inner is stepped hole; described barrel forward end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1 ~ 0.2mm larger than transfusion needle protective sleeve; its length is 3mm ~ 5mm; ensure the protruded length that transfusion hour hands cephalopodium is enough; end for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, its diameter 0.1 ~ 0.2mm larger than the tube outer diameter after infusion needle handles.
Described sleeve is cylindrical, and described external diameter is 4.5mm ~ 5.5mm.
Described stator and sleeve are medical PVC or tool pliability and elastic medical grade plastic materials.
Described stator lower surface is provided with medical application, and the sticking veneer of described medical application is provided with release paper.The mode of tearing of release paper, for tearing to both sides in the middle of stator, facilitates the operation of medical personnel.
The thickness of described stator is 0.4mm-0.6mm, and stator length and width is of a size of 10 ± 5mm × 30 ± 5mm, and it is 1.5N-4N/cm that medical application pastes rear peel strength, and the thickness of described stator is 0.3-0.5mm.Ensure the flexibility of stator and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
The invention has the advantages that:
1, the present invention can well keep the position of transfusion needle in infusion process, makes infusion process smooth and easy; After having infused, transfusion needle is retracted in fixing protector completely, avoids that needle point is exposed stabs medical worker and the danger gone down with outside.
2, during transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove by the limited post in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve and stator are along gradient sleeve axis direction having 3 °-5 °, namely sleeve chute has the gradient of 3 °-5 °, this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduce blood vessel wall to the shutoff situation of needle point inlet opening, strengthen the permeability of transfusion needle in infusion process.To trap stator by needle point one end (front end of sleeve) sleeve, and stator thickness 0.3-0.5mm, ensure the flexibility of stator and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
3, transfusion needle fin chute has the gradient of 3 °-5 °, and chute front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to barrel forward end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to barrel end, until fin falls into the transfusion needle storage draw-in groove on sleeve, now transfusion needle can not move to barrel forward end again, and track length can ensure that transfusion needle is fully retracted in sleeve.
4, sleeve is provided with transfusion needle storage draw-in groove, and effect is blocked by the transfusion needle be fully retracted in sleeve, prevents transfusion needle from moving to barrel forward end and cause needle point to expose.
5, sleeve inner is stepped hole; front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1 ~ 0.2mm larger than transfusion needle protective sleeve; adapt with transfusion needle needle guard; transfusion needle needed first to be fixed in holder before puncturing; surprisingly damage medical worker for reducing transfusion needle point pollution level and reducing needle point, transfusion needle needle tip protection sleeve is fixed in the process of holder can not removes at transfusion needle, just can remove before puncture.Front end length is 3mm ~ 5mm, ensures the protruded length that transfusion hour hands cephalopodium is enough.End for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, and its diameter 0.1 ~ 0.2mm larger than the tube outer diameter after infusion needle handles, adapts with tube for transfusion.
6, sleeve configuration is cylindrical, and according to internal diameter, after considering sleeve strength and chute elasticity, its wall thickness is 1-2mm, and this is to ensure the enough medical worker's operations of transfusion fin sheet protruded length.
7, the present invention's entirety adopts medical PVC or the medical grade plastic materials with pliability and intensity to make, and hygienic environment-protecting, has certain pliability and intensity, and comfortableness is good.
Accompanying drawing explanation
Fig. 1 is the application's structure closure state schematic diagram.
Fig. 2 is the application's structure open mode schematic diagram.
Fig. 3 is the application's structure limited post schematic diagram.
In accompanying drawing: sleeve 1, stator 2, upper cover portion 3, trap portion 4, snap close 5, transfusion draw-in groove 6, transfusion needle fin chute 7, transfusion needle storage draw-in groove 8, sleeve chute 9, limited post 10, medical application 11.
Detailed description of the invention
Embodiment 1
The stator 2 that a kind of novel infusion pin fixing protector includes sleeve 1 and is fixed on below sleeve 1 front end, described sleeve 1 comprises cover portion 3 and the portion 4 that traps, the side in described upper cover portion 3 and the side in the portion 4 that traps are interconnected, and the opposite side in described upper cover portion 3 is locked by the opposite side of snap close 5 with the portion 4 that traps, described sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °-5 °, the side of described sleeve 1 is respectively arranged with transfusion draw-in groove 6, transfusion needle fin chute 7 and transfusion needle storage draw-in groove 8, described transfusion needle chute is between transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, cylindrical space in described sleeve 1 is sleeve chute 9, described sleeve chute 9 and described transfusion draw-in groove 6, transfusion needle fin chute 7 is communicated with respectively with transfusion needle storage draw-in groove 8.During transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove 6 by the limited post 10 in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute 9 and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 ° ~ 5 °, and this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduces blood vessel wall to the shutoff situation of needle point inlet opening, strengthens the permeability of transfusion needle in infusion process.Stator 2 is had by needle point one end (front end of sleeve 1) sleeve 1 portion 4 that traps, and stator 2 thickness 0.3-0.5mm, ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.Sleeve chute 9 has the gradient of 3 °-5 °, and sleeve chute 9 front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to sleeve 1 front end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to sleeve 1 end, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to sleeve 1 front end again, and track length can ensure that transfusion needle is fully retracted in sleeve 1.
Embodiment 2
The stator 2 that a kind of novel infusion pin fixing protector includes sleeve 1 and is fixed on below sleeve 1 front end, described sleeve 1 comprises cover portion 3 and the portion 4 that traps, the side in described upper cover portion 3 and the side in the portion 4 that traps are interconnected, and the opposite side in described upper cover portion 3 is locked by the opposite side of snap close 5 with the portion 4 that traps, described sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °-5 °, the side of described sleeve 1 is respectively arranged with transfusion draw-in groove 6, transfusion needle fin chute 7 and transfusion needle storage draw-in groove 8, described transfusion needle chute is between transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, cylindrical space in described sleeve 1 is sleeve chute 9, described sleeve chute 9 and described transfusion draw-in groove 6, transfusion needle fin chute 7 is communicated with respectively with transfusion needle storage draw-in groove 8.
Snap close 5 has two, and described two snap closes 5 lay respectively at the two ends in upper and lower cover portion 4.Described two snap closes 5 are locked rear described transfusion needle fixing protector and are in closure state, not easily throw off voluntarily, effectively ensure that the position of transfusion needle in infusion process keeps, and rear transfusion needle of having infused are retracted into the protective effect of sleeve 1 inside.
Transfusion draw-in groove 6 is provided with limited post 10 away from one end of transfusion needle chute, and described limited post 10 is cylindrical, protrudes from transfusion draw-in groove 6.During use, the limited post 10 of transfusion needle fin is stuck in transfusion draw-in groove 6, prevents transfusion needle rocking in infusion process.
Transfusion needle fin chute 7 is skewed slot, its transfusion needle fin chute 7 near transfusion draw-in groove 6 one end is highly greater than the chute height near transfusion needle storage draw-in groove 8 one end, the angle of inclination of described skewed slot is 3 °-5 °, the end (storage draw-in groove end) of transfusion needle fin chute 7 height from the front end (transfusion draw-in groove 6 end) of sleeve 1 to sleeve 1 narrows gradually, the front height of transfusion needle fin chute 7 is greater than foil thickness, facilitates transfusion needle to exit; Transfusion needle fin chute 7 end chute height is less than foil thickness gradually, is clamped gradually by fin, prevents transfusion needle to the front end slippage of sleeve 1.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to the end of sleeve 1, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to the front end of sleeve 1 again.During transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove 6 by the limited post 10 in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute 9 and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °-5 °, namely sleeve chute 9 has the gradient of 3 °-5 °, this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduce blood vessel wall to the shutoff situation of needle point inlet opening, strengthen the permeability of transfusion needle in infusion process.To trap stator 2 by needle point one end (front end of sleeve 1) sleeve 1, and stator 2 thickness 0.3-0.5mm, ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
Transfusion needle fin chute 7 has the gradient of 3 °-5 °, and chute front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to sleeve 1 front end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to sleeve 1 end, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to sleeve 1 front end again, and track length can ensure that transfusion needle is fully retracted in sleeve 1.
Transfusion needle storage draw-in groove 8 is rectangle.After transfusion needle is retracted into sleeve 1 inside completely, fin falls in storage draw-in groove, and transfusion needle can not move forward again.Effect is blocked by the transfusion needle be fully retracted in sleeve 1, prevents transfusion needle from moving to sleeve 1 front end and cause needle point to expose.
Sleeve 1 inside is stepped hole; described sleeve 1 front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1 ~ 0.2mm larger than transfusion needle protective sleeve; its length is 3mm ~ 5mm; ensure the protruded length that transfusion hour hands cephalopodium is enough; end for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, its diameter 0.1 ~ 0.2mm larger than the tube outer diameter after infusion needle handles.
Sleeve 1 is cylindrical, and described external diameter is 4.5mm ~ 5.5mm.
Stator 2 and sleeve 1 are medical PVC or tool pliability and elastic medical grade plastic materials.Hygienic environment-protecting, has certain pliability and intensity, and comfortableness is good.
Stator 2 lower surface is provided with medical application 11, and the sticking veneer of described medical application 11 is provided with release paper.The mode of tearing of release paper, for tearing to both sides in the middle of stator 2, facilitates the operation of medical personnel.
The thickness of stator 2 is 0.4mm-0.6mm, and stator 2 length and width is of a size of 10 ± 5mm × 30 ± 5mm, and it is 1.5N-4N/cm that medical application 11 pastes rear peel strength, and the thickness of described stator 2 is 0.3-0.5mm.Ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
The present invention can well keep the position of transfusion needle in infusion process, makes infusion process smooth and easy; After having infused, transfusion needle is retracted in fixing protector completely, avoids that needle point is exposed stabs medical worker and the danger gone down with outside.
Sleeve 1 inside is stepped hole; front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1 ~ 0.2mm larger than transfusion needle protective sleeve; adapt with transfusion needle needle guard; transfusion needle needed first to be fixed in holder before puncturing; surprisingly damage medical worker for reducing transfusion needle point pollution level and reducing needle point, transfusion needle needle tip protection sleeve is fixed in the process of holder can not removes at transfusion needle, just can remove before puncture.Front end length is 3mm ~ 5mm, ensures the protruded length that transfusion hour hands cephalopodium is enough.End for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, and its diameter 0.1 ~ 0.2mm larger than the tube outer diameter after infusion needle handles, adapts with tube for transfusion.
Sleeve 1 profile is cylindrical, and according to internal diameter, after considering sleeve 1 intensity and chute elasticity, its wall thickness is 1-2mm, and this is to ensure the enough medical worker's operations of transfusion fin sheet protruded length.
Embodiment 3
The stator 2 that a kind of novel infusion pin fixing protector includes sleeve 1 and is fixed on below sleeve 1 front end, described sleeve 1 comprises cover portion 3 and the portion 4 that traps, the side in described upper cover portion 3 and the side in the portion 4 that traps are interconnected, and the opposite side in described upper cover portion 3 is locked by the opposite side of snap close 5 with the portion 4 that traps, described sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °-5 °, the side of described sleeve 1 is respectively arranged with transfusion draw-in groove 6, transfusion needle fin chute 7 and transfusion needle storage draw-in groove 8, described transfusion needle chute is between transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, cylindrical space in described sleeve 1 is sleeve chute 9, described sleeve chute 9 and described transfusion draw-in groove 6, transfusion needle fin chute 7 is communicated with respectively with transfusion needle storage draw-in groove 8.
Snap close 5 has two, and described two snap closes 5 lay respectively at the two ends in upper and lower cover portion 4.Described two snap closes 5 are locked rear described transfusion needle fixing protector and are in closure state, not easily throw off voluntarily, effectively ensure that the position of transfusion needle in infusion process keeps, and rear transfusion needle of having infused are retracted into the protective effect of sleeve 1 inside.
Transfusion draw-in groove 6 is provided with limited post 10 away from one end of transfusion needle chute, and described limited post 10 is cylindrical, protrudes from transfusion draw-in groove 6.During use, the limited post 10 of transfusion needle fin is stuck in transfusion draw-in groove 6, prevents transfusion needle rocking in infusion process.
Transfusion needle fin chute 7 is skewed slot, its transfusion needle fin chute 7 near transfusion draw-in groove 6 one end is highly greater than the chute height near transfusion needle storage draw-in groove 8 one end, the angle of inclination of described skewed slot is 5 °, the end (storage draw-in groove end) of transfusion needle fin chute 7 height from the front end (transfusion draw-in groove 6 end) of sleeve 1 to sleeve 1 narrows gradually, the front height of transfusion needle fin chute 7 is greater than foil thickness, facilitates transfusion needle to exit; Transfusion needle fin chute 7 end chute height is less than foil thickness gradually, is clamped gradually by fin, prevents transfusion needle to the front end slippage of sleeve 1.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to the end of sleeve 1, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to the front end of sleeve 1 again.During transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove 6 by the limited post 10 in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute 9 and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 5 °, namely sleeve chute 9 has the gradient of 5 °, this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduces blood vessel wall to the shutoff situation of needle point inlet opening, strengthens the permeability of transfusion needle in infusion process.To trap stator 2 by needle point one end (front end of sleeve 1) sleeve 1, and stator 2 thickness 0.3mm, ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
Transfusion needle fin chute 7 has the gradient of 5 °, and chute front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to sleeve 1 front end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to sleeve 1 end, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to sleeve 1 front end again, and track length can ensure that transfusion needle is fully retracted in sleeve 1.
Transfusion needle storage draw-in groove 8 is rectangle.After transfusion needle is retracted into sleeve 1 inside completely, fin falls in storage draw-in groove, and transfusion needle can not move forward again.Effect is blocked by the transfusion needle be fully retracted in sleeve 1, prevents transfusion needle from moving to sleeve 1 front end and cause needle point to expose.
Sleeve 1 inside is stepped hole; described sleeve 1 front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.2mm larger than transfusion needle protective sleeve; its length is 3mm; ensure the protruded length that transfusion hour hands cephalopodium is enough; end for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, its diameter 0.2mm larger than the tube outer diameter after infusion needle handles.
Sleeve 1 is cylindrical, and described external diameter is 4.5mm.
Stator 2 and sleeve 1 are medical PVC or tool pliability and elastic medical grade plastic materials.Hygienic environment-protecting, has certain pliability and intensity, and comfortableness is good.
Stator 2 lower surface is provided with medical application 11, and the sticking veneer of described medical application 11 is provided with release paper.The mode of tearing of release paper, for tearing to both sides in the middle of stator 2, facilitates the operation of medical personnel.
The thickness of stator 2 is-0.6mm, and stator 2 length and width is of a size of 5mm × 25mm, and it is 4N/cm that medical application 11 pastes rear peel strength, and the thickness of described stator 2 is 0.3mm.Ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
The present invention can well keep the position of transfusion needle in infusion process, makes infusion process smooth and easy; After having infused, transfusion needle is retracted in fixing protector completely, avoids that needle point is exposed stabs medical worker and the danger gone down with outside.
Sleeve 1 inside is stepped hole; front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.2mm larger than transfusion needle protective sleeve; adapt with transfusion needle needle guard; transfusion needle needed first to be fixed in holder before puncturing; surprisingly damage medical worker for reducing transfusion needle point pollution level and reducing needle point, transfusion needle needle tip protection sleeve is fixed in the process of holder can not removes at transfusion needle, just can remove before puncture.Front end length is 3mm, ensures the protruded length that transfusion hour hands cephalopodium is enough.End for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, and its diameter 0.2mm larger than the tube outer diameter after infusion needle handles, adapts with tube for transfusion.
Sleeve 1 profile is cylindrical, and according to internal diameter, after considering sleeve 1 intensity and chute elasticity, its wall thickness is 1mm, and this is to ensure the enough medical worker's operations of transfusion fin sheet protruded length.
Embodiment 4
The stator 2 that a kind of novel infusion pin fixing protector includes sleeve 1 and is fixed on below sleeve 1 front end, described sleeve 1 comprises cover portion 3 and the portion 4 that traps, the side in described upper cover portion 3 and the side in the portion 4 that traps are interconnected, and the opposite side in described upper cover portion 3 is locked by the opposite side of snap close 5 with the portion 4 that traps, described sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °, the side of described sleeve 1 is respectively arranged with transfusion draw-in groove 6, transfusion needle fin chute 7 and transfusion needle storage draw-in groove 8, described transfusion needle chute is between transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, cylindrical space in described sleeve 1 is sleeve chute 9, described sleeve chute 9 and described transfusion draw-in groove 6, transfusion needle fin chute 7 is communicated with respectively with transfusion needle storage draw-in groove 8.
Snap close 5 has two, and described two snap closes 5 lay respectively at the two ends in upper and lower cover portion 4.Described two snap closes 5 are locked rear described transfusion needle fixing protector and are in closure state, not easily throw off voluntarily, effectively ensure that the position of transfusion needle in infusion process keeps, and rear transfusion needle of having infused are retracted into the protective effect of sleeve 1 inside.
Transfusion draw-in groove 6 is provided with limited post 10 away from one end of transfusion needle chute, and described limited post 10 is cylindrical, protrudes from transfusion draw-in groove 6.During use, the limited post 10 of transfusion needle fin is stuck in transfusion draw-in groove 6, prevents transfusion needle rocking in infusion process.
Transfusion needle fin chute 7 is skewed slot, its transfusion needle fin chute 7 near transfusion draw-in groove 6 one end is highly greater than the chute height near transfusion needle storage draw-in groove 8 one end, the angle of inclination of described skewed slot is 3 °, the end (storage draw-in groove end) of transfusion needle fin chute 7 height from the front end (transfusion draw-in groove 6 end) of sleeve 1 to sleeve 1 narrows gradually, the front height of transfusion needle fin chute 7 is greater than foil thickness, facilitates transfusion needle to exit; Transfusion needle fin chute 7 end chute height is less than foil thickness gradually, is clamped gradually by fin, prevents transfusion needle to the front end slippage of sleeve 1.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to the end of sleeve 1, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to the front end of sleeve 1 again.During transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove 6 by the limited post 10 in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute 9 and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 3 °, namely sleeve chute 9 has the gradient of 3 °, this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduces blood vessel wall to the shutoff situation of needle point inlet opening, strengthens the permeability of transfusion needle in infusion process.To trap stator 2 by needle point one end (front end of sleeve 1) sleeve 1, and stator 2 thickness 0.5mm, ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
Transfusion needle fin chute 7 has the gradient of 3 °, and chute front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to sleeve 1 front end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to sleeve 1 end, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to sleeve 1 front end again, and track length can ensure that transfusion needle is fully retracted in sleeve 1.
Transfusion needle storage draw-in groove 8 is rectangle.After transfusion needle is retracted into sleeve 1 inside completely, fin falls in storage draw-in groove, and transfusion needle can not move forward again.Effect is blocked by the transfusion needle be fully retracted in sleeve 1, prevents transfusion needle from moving to sleeve 1 front end and cause needle point to expose.
Sleeve 1 inside is stepped hole; described sleeve 1 front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1mm larger than transfusion needle protective sleeve; its length is 5mm; ensure the protruded length that transfusion hour hands cephalopodium is enough; end for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, its diameter 0.1mm larger than the tube outer diameter after infusion needle handles.
Sleeve 1 is cylindrical, and described external diameter is 5.5mm.
Stator 2 and sleeve 1 are medical PVC or tool pliability and elastic medical grade plastic materials.Hygienic environment-protecting, has certain pliability and intensity, and comfortableness is good.
Stator 2 lower surface is provided with medical application 11, and the sticking veneer of described medical application 11 is provided with release paper.The mode of tearing of release paper, for tearing to both sides in the middle of stator 2, facilitates the operation of medical personnel.
The thickness of stator 2 is 0.4mm, and stator 2 length and width is of a size of 15mm × 35mm, and it is 1.5N/cm that medical application 11 pastes rear peel strength, and the thickness of described stator 2 is 0.5mm.Ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
The present invention can well keep the position of transfusion needle in infusion process, makes infusion process smooth and easy; After having infused, transfusion needle is retracted in fixing protector completely, avoids that needle point is exposed stabs medical worker and the danger gone down with outside.
Sleeve 1 inside is stepped hole; front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1mm larger than transfusion needle protective sleeve; adapt with transfusion needle needle guard; transfusion needle needed first to be fixed in holder before puncturing; surprisingly damage medical worker for reducing transfusion needle point pollution level and reducing needle point, transfusion needle needle tip protection sleeve is fixed in the process of holder can not removes at transfusion needle, just can remove before puncture.Front end length is 5mm, ensures the protruded length that transfusion hour hands cephalopodium is enough.End for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, and its diameter 0.1mm larger than the tube outer diameter after infusion needle handles, adapts with tube for transfusion.
Sleeve 1 profile is cylindrical, and according to internal diameter, after considering sleeve 1 intensity and chute elasticity, its wall thickness is 2mm, and this is to ensure the enough medical worker's operations of transfusion fin sheet protruded length.
Embodiment 5
The stator 2 that a kind of novel infusion pin fixing protector includes sleeve 1 and is fixed on below sleeve 1 front end, described sleeve 1 comprises cover portion 3 and the portion 4 that traps, the side in described upper cover portion 3 and the side in the portion 4 that traps are interconnected, and the opposite side in described upper cover portion 3 is locked by the opposite side of snap close 5 with the portion 4 that traps, described sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 4 °, the side of described sleeve 1 is respectively arranged with transfusion draw-in groove 6, transfusion needle fin chute 7 and transfusion needle storage draw-in groove 8, described transfusion needle chute is between transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove 6 and transfusion needle storage draw-in groove 8, cylindrical space in described sleeve 1 is sleeve chute 9, described sleeve chute 9 and described transfusion draw-in groove 6, transfusion needle fin chute 7 is communicated with respectively with transfusion needle storage draw-in groove 8.
Snap close 5 has two, and described two snap closes 5 lay respectively at the two ends in upper and lower cover portion 4.Described two snap closes 5 are locked rear described transfusion needle fixing protector and are in closure state, not easily throw off voluntarily, effectively ensure that the position of transfusion needle in infusion process keeps, and rear transfusion needle of having infused are retracted into the protective effect of sleeve 1 inside.
Transfusion draw-in groove 6 is provided with limited post 10 away from one end of transfusion needle chute, and described limited post 10 is cylindrical, protrudes from transfusion draw-in groove 6.During use, the limited post 10 of transfusion needle fin is stuck in transfusion draw-in groove 6, prevents transfusion needle rocking in infusion process.
Transfusion needle fin chute 7 is skewed slot, its transfusion needle fin chute 7 near transfusion draw-in groove 6 one end is highly greater than the chute height near transfusion needle storage draw-in groove 8 one end, the angle of inclination of described skewed slot is 4 °, the end (storage draw-in groove end) of transfusion needle fin chute 7 height from the front end (transfusion draw-in groove 6 end) of sleeve 1 to sleeve 1 narrows gradually, the front height of transfusion needle fin chute 7 is greater than foil thickness, facilitates transfusion needle to exit; Transfusion needle fin chute 7 end chute height is less than foil thickness gradually, is clamped gradually by fin, prevents transfusion needle to the front end slippage of sleeve 1.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to the end of sleeve 1, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to the front end of sleeve 1 again.During transfusion, the fin of transfusion needle is stuck in transfusion draw-in groove 6 by the limited post 10 in draw-in groove, prevents transfusion needle beat to be shifted.Sleeve chute 9 and fin chute, for having infused, rear guiding transfusion needle exits in patient body.Sleeve 1 and stator 2 are along gradient sleeve 1 axis direction having 4 °, namely sleeve chute 9 has the gradient of 4 °, this is to ensure that transfusion needle is chosen on can not causing after intravasation, thus reduces blood vessel wall to the shutoff situation of needle point inlet opening, strengthens the permeability of transfusion needle in infusion process.To trap stator 2 by needle point one end (front end of sleeve 1) sleeve 1, and stator 2 thickness 0.4mm, ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
Transfusion needle fin chute 7 has the gradient of 4 °, and chute front height is greater than foil thickness, facilitates transfusion needle to exit; Be less than foil thickness gradually close to chute height during end, fin is clamped gradually, prevent transfusion needle to sleeve 1 front end slippage.Because material itself has certain pliability and elasticity, now transfusion needle can continue to exit to sleeve 1 end, until fin falls into the transfusion needle storage draw-in groove 8 on sleeve 1, now transfusion needle can not move to sleeve 1 front end again, and track length can ensure that transfusion needle is fully retracted in sleeve 1.
Transfusion needle storage draw-in groove 8 is rectangle.After transfusion needle is retracted into sleeve 1 inside completely, fin falls in storage draw-in groove, and transfusion needle can not move forward again.Effect is blocked by the transfusion needle be fully retracted in sleeve 1, prevents transfusion needle from moving to sleeve 1 front end and cause needle point to expose.
Sleeve 1 inside is stepped hole; described sleeve 1 front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.15mm larger than transfusion needle protective sleeve; its length is 4mm; ensure the protruded length that transfusion hour hands cephalopodium is enough; end for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, its diameter 0.15mm larger than the tube outer diameter after infusion needle handles.
Sleeve 1 is cylindrical, and described external diameter is 5mm.
Stator 2 and sleeve 1 are medical PVC or tool pliability and elastic medical grade plastic materials.Hygienic environment-protecting, has certain pliability and intensity, and comfortableness is good.
Stator 2 lower surface is provided with medical application 11, and the sticking veneer of described medical application 11 is provided with release paper.The mode of tearing of release paper, for tearing to both sides in the middle of stator 2, facilitates the operation of medical personnel.
The thickness of stator 2 is 0.5mm, and stator 2 length and width is of a size of 10mm × 30mm, and it is 3N/cm that medical application 11 pastes rear peel strength, and the thickness of described stator 2 is 0.4mm.Ensure the flexibility of stator 2 and make syringe needle as far as possible near skin surface, being convenient to inserting needle.
The present invention can well keep the position of transfusion needle in infusion process, makes infusion process smooth and easy; After having infused, transfusion needle is retracted in fixing protector completely, avoids that needle point is exposed stabs medical worker and the danger gone down with outside.
Sleeve 1 inside is stepped hole; front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.15mm larger than transfusion needle protective sleeve; adapt with transfusion needle needle guard; transfusion needle needed first to be fixed in holder before puncturing; surprisingly damage medical worker for reducing transfusion needle point pollution level and reducing needle point, transfusion needle needle tip protection sleeve is fixed in the process of holder can not removes at transfusion needle, just can remove before puncture.Front end length is 4mm, ensures the protruded length that transfusion hour hands cephalopodium is enough.End for holding the pipe after infusion needle handles and needle handle, and is used as chute when transfusion needle exits, and its diameter 0.15mm larger than the tube outer diameter after infusion needle handles, adapts with tube for transfusion.
Sleeve 1 profile is cylindrical, and according to internal diameter, after considering sleeve 1 intensity and chute elasticity, its wall thickness is 1.5mm, and this is to ensure the enough medical worker's operations of transfusion fin sheet protruded length.
Claims (10)
1. a novel infusion pin fixing protector, it is characterized in that: include sleeve (1) and be fixed on the stator (2) below sleeve (1) front end, described sleeve (1) comprises cover portion (3) and the portion that traps (4), the side of described upper cover portion (3) and the side in the portion (4) that traps are interconnected, and the opposite side of described upper cover portion (3) is locked by the opposite side of snap close (5) with the portion (4) that traps, described sleeve (1) and stator (2) are along gradient sleeve (1) axis direction having 3 °-5 °, the side of described sleeve (1) is respectively arranged with transfusion draw-in groove (6), transfusion needle fin chute (7) and transfusion needle storage draw-in groove (8), described transfusion needle chute is positioned between transfusion draw-in groove (6) and transfusion needle storage draw-in groove (8), and communicate with each other between adjacent each groove, the height of transfusion needle chute is less than the height of transfusion draw-in groove (6) and transfusion needle storage draw-in groove (8), cylindrical space in described sleeve (1) is sleeve chute (9), described sleeve chute (9) and described transfusion draw-in groove (6), transfusion needle fin chute (7) is communicated with respectively with transfusion needle storage draw-in groove (8).
2. a kind of novel infusion pin fixing protector according to claim 1, is characterized in that: described snap close (5) has two, and described two snap closes (5) lay respectively at the two ends of upper and lower cover portion (4).
3. a kind of novel infusion pin fixing protector according to claim 1; it is characterized in that: described transfusion draw-in groove (6) is provided with limited post (10) away from one end of transfusion needle chute; described limited post (10) is cylindrical, protrudes from transfusion draw-in groove (6).
4. a kind of novel infusion pin fixing protector according to claim 1-3 any one, it is characterized in that: described transfusion needle fin chute (7) is skewed slot, its transfusion needle fin chute (7) near transfusion draw-in groove (6) one end is highly greater than the chute height near transfusion needle storage draw-in groove (8) one end, the angle of inclination of described skewed slot is 3 °-5 °, the end of transfusion needle fin chute (7) height from the front end of sleeve (1) to sleeve (1) narrows gradually, the front height of transfusion needle fin chute (7) is greater than foil thickness, transfusion needle fin chute (7) end chute height is less than foil thickness gradually.
5. a kind of novel infusion pin fixing protector according to claim 4, is characterized in that: described transfusion needle storage draw-in groove (8) is rectangle.
6. a kind of novel infusion pin fixing protector according to claim 4; it is characterized in that: described sleeve (1) inside is stepped hole; described sleeve (1) front end is used for the syringe needle of accommodating belt transfusion needle protective sleeve; its diameter 0.1 ~ 0.2mm larger than transfusion needle protective sleeve; its length is 3mm ~ 5mm; end for holding the pipe after infusion needle handles and needle handle, its diameter 0.1 ~ 0.2mm larger than the tube outer diameter after infusion needle handles.
7. a kind of novel infusion pin fixing protector according to claim 6, is characterized in that: described sleeve (1) is for cylindrical, and described external diameter is 4.5mm ~ 5.5mm.
8. a kind of novel infusion pin fixing protector according to claim 7, is characterized in that: described stator (2) and sleeve (1) are medical PVC or tool pliability and elastic medical grade plastic materials.
9. a kind of novel infusion pin fixing protector according to claim 8, it is characterized in that: described stator (2) lower surface is provided with medical application (11), the sticking veneer of described medical application (11) is provided with release paper.
10. a kind of novel infusion pin fixing protector according to claim 9; it is characterized in that: the thickness of described stator (2) is 0.4mm-0.6mm; stator (2) length and width is of a size of 10 ± 5mm × 30 ± 5mm; it is 1.5N-4N/cm that medical application (11) pastes rear peel strength, and the thickness of described stator (2) is 0.3-0.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071219.5A CN104667380A (en) | 2015-02-11 | 2015-02-11 | Novel transfusion needle fixing protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071219.5A CN104667380A (en) | 2015-02-11 | 2015-02-11 | Novel transfusion needle fixing protection device |
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| CN104667380A true CN104667380A (en) | 2015-06-03 |
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| CN201510071219.5A Pending CN104667380A (en) | 2015-02-11 | 2015-02-11 | Novel transfusion needle fixing protection device |
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| CN105056340A (en) * | 2015-08-18 | 2015-11-18 | 天津哈娜好医材有限公司 | Safety type medical puncture needle and use method |
| CN105126195A (en) * | 2015-08-18 | 2015-12-09 | 天津哈娜好医材有限公司 | Self-locking medical puncture needle and using method |
| CN107376056A (en) * | 2017-08-04 | 2017-11-24 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of safety transfusion needle |
| CN108785797A (en) * | 2018-07-25 | 2018-11-13 | 四川省肿瘤医院 | A kind of safety application for fixing scalp acupuncture |
| CN109758638A (en) * | 2019-02-26 | 2019-05-17 | 中国医学科学院北京协和医院 | A kind of device for fixing screen on headrest of transfusion needle head |
| CN110624162A (en) * | 2019-09-27 | 2019-12-31 | 郑州大学第五附属医院 | Safety needle device |
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| CN109758638A (en) * | 2019-02-26 | 2019-05-17 | 中国医学科学院北京协和医院 | A kind of device for fixing screen on headrest of transfusion needle head |
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