CN112587754A - Venous indwelling needle capable of preventing needle stick injury and using method thereof - Google Patents
Venous indwelling needle capable of preventing needle stick injury and using method thereof Download PDFInfo
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- CN112587754A CN112587754A CN202011290372.4A CN202011290372A CN112587754A CN 112587754 A CN112587754 A CN 112587754A CN 202011290372 A CN202011290372 A CN 202011290372A CN 112587754 A CN112587754 A CN 112587754A
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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
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Abstract
The invention discloses a venous indwelling needle capable of preventing needle stick injury and a using method thereof, and relates to the technical field of medical instruments. The venous indwelling needle capable of preventing puncture injury and the using method thereof are characterized in that a needle seat, a telescopic rubber tube, a needle point protection plug and a puncture needle are arranged, a puncture needle is used for guiding a guide tube into a blood vessel by medical care people, a needle seat is drawn out from a catheter seat by using a needle handle, the needle seat drives the puncture needle to withdraw from the catheter, the length of the telescopic rubber tube which is completely stretched and lengthened is equal to the length of the puncture needle which is withdrawn into the needle point protection plug, the puncture needle can not accidentally injure others due to misoperation after being drawn out, and the risk of puncture injury is prevented.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a venous indwelling needle capable of preventing needle stick injuries and a using method thereof.
Background
The venous indwelling needle is also called venous trocar, and the core components comprise a soft catheter which can be indwelling in the blood vessel and a stainless steel puncture guiding needle core. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment. When the puncture needle core is drawn out in clinical operation, the tip of the traditional venous indwelling needle stuck with the blood of a patient is likely to cause accidental injury and infection of medical staff, and the waste exposed puncture needle core causes environmental pollution and difficulty in special treatment of medical waste, so that serious hidden danger of social hazard also exists.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a venous indwelling needle capable of preventing needle stick injuries and a using method thereof, and solves the problems that when a puncture needle core is drawn out in clinical operation, the tip of the needle core stuck with blood of a patient is likely to cause accidental injuries and infection of medical care personnel, the waste naked puncture needle core pollutes the environment, and special treatment of medical waste is difficult, so that serious social hazard hidden dangers exist in the conventional venous indwelling needle.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a venous indwelling needle capable of preventing needle puncture injury comprises a catheter base, wherein a needle base is clamped at the bottom end of the catheter base, a telescopic rubber tube is fixedly connected to the upper surface of the needle base and is positioned in the catheter base, a needle point protective plug is fixedly connected to the top end of the telescopic rubber tube and is clamped in the catheter base, an annular plate is lapped on the upper surface of the needle point protective plug and is arranged in the catheter base, a sealing plug is fixedly connected to the upper surface of the annular plate, and the sealing plug is arranged in the catheter base;
the upper surface fixed connection of needle file has the pjncture needle, the top of pjncture needle passes flexible rubber tube, needle point protection stopper, annular slab and sealing plug in proper order and extends to the top of pipe seat, the pipe has been cup jointed on the surface of pjncture needle, the bottom of pipe is linked together with the top of pipe seat, the top of pipe seat left surface is linked together with pipe seat extension arm, be provided with the extension pipe in the pipe seat extension arm, the one end and the closed infusion of extension pipe connect and be linked together, the left surface that the closed infusion connects is provided with the mouth of pipe that dashes.
Preferably, an annular baffle is arranged in the catheter seat, and the upper surface of the annular baffle is overlapped on the lower surface of the needle tip protection plug.
Preferably, a through hole is formed below the front surface of the puncture needle, and the through hole is positioned in the catheter holder.
Preferably, the surface of the puncture needle is provided with an indwelling needle protective sleeve, and the bottom end of the indwelling needle protective sleeve is clamped at the top end of the catheter seat.
Preferably, the surface of the extension pipe is clamped with a pipe sealing clamp.
Preferably, a needle handle is arranged on the right side face of the needle seat, and anti-skid grains are arranged on the surface of the needle handle.
A venous indwelling needle using method capable of preventing needle stick injuries comprises the following steps:
s1, when the blood transfusion bag is used, a blood transfusion bag is pricked at a position 15-30 cm above a puncture point, then the puncture point of a patient is disinfected, at the moment, a nurse inserts the needle with the needle handle held by the right hand and the skin at 15-30 degrees, the phenomenon of blood return in the catheter seat is seen, the nurse retreats the puncture needle a little by about 2 cm, and then the catheter is slowly fed into a blood vessel;
s2, when the catheter is sent into the blood vessel, the tourniquet is loosened, the needle handle is used for driving the needle base to be separated from the catheter base, the needle base moves downwards to drive the telescopic rubber tube to extend, when the needle point of the puncture needle moves back into the needle point protective plug, the telescopic rubber tube is completely unfolded at the moment, the needle handle is continuously pulled, the needle base drives the needle point protective plug to be separated from the catheter base through the telescopic rubber tube, and after the puncture needle is pulled out, the needle point part of the puncture needle stays in the needle point protective plug;
s3, finally, people open the opening tube clamp to enable the liquid medicine in the infusion tube to enter the blood vessel through the closed infusion connector, the extension tube, the catheter seat and the catheter, when nurses change different liquid medicines, the needle tube is firstly used for injecting normal saline into the flushing tube opening to avoid adverse reaction caused by mixing of different medicines, and when infusion is finished, diluted heparin liquid is injected into the extension tube to ensure smooth vein.
(III) advantageous effects
The invention has the beneficial effects that:
1. the venous indwelling needle capable of preventing puncture injury and the using method thereof are characterized in that a needle seat, a telescopic rubber tube, a needle point protection plug and a puncture needle are arranged, a puncture needle is used for guiding a guide tube into a blood vessel by medical care people, a needle seat is drawn out from a catheter seat by using a needle handle, the needle seat drives the puncture needle to withdraw from the catheter, the length of the telescopic rubber tube which is completely stretched and lengthened is equal to the length of the puncture needle which is withdrawn into the needle point protection plug, the puncture needle can not accidentally injure others due to misoperation after being drawn out, and the risk of puncture injury is prevented.
2. The venous indwelling needle capable of preventing needle stick injury and the using method thereof are characterized in that through the arrangement of the through hole, when the puncture needle is punctured into a venous blood vessel, blood can flow into the catheter seat from the through hole along the puncture needle, and after people observe blood in the catheter seat, the puncture needle enters the vein, and the puncture needle should be prevented from puncturing the back wall of the vein, by arranging the sealing plug, the catheter base can be sealed, blood or liquid medicine is prevented from leaking from the joint of the catheter base and the needle base, by arranging the closed infusion joint, when medical personnel carries out infusion, the infusion tube is connected with the closed infusion joint, so that the liquid medicine can be directly input into the venous blood vessel, thereby avoiding repeated puncture, and through setting up the mouth of pipe that dashes, can use normal saline to wash the liquid medicine in the extension pipe into the blood vessel, avoid remaining liquid medicine amazing local blood vessel, reduce the incompatibility between the medicine simultaneously.
3. This can prevent vein indwelling needle that acupuncture hindered and application method thereof, through setting up ring baffle, avoid flexible rubber tube when not opening completely, drive needle point protection stopper downstream, thereby the needle point of having guaranteed the pjncture needle enters into in the needle point protection stopper, keep somewhere the needle protective sheath through setting up, avoid medical personnel to stab oneself when taking indwelling needle, also can avoid the pjncture needle to receive the pollution simultaneously, through setting up the pipe clamp, when the liquid medicine is changed to the nurse, through chucking pipe clamp, avoid the phenomenon of blood refluence, it is convenient to have brought for the nurse to change dressings.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is an enlarged schematic view of part A of the present invention;
FIG. 3 is a schematic top view of the annular baffle of the present invention.
In the figure: the device comprises a catheter base 1, a needle base 2, an annular baffle 3, a telescopic rubber tube 4, a needle point protection plug 5, an annular plate 6, a sealing plug 7, a puncture needle 8, a catheter 9, a remaining needle protection sleeve 10, a through hole 11, a catheter base extension arm 12, an extension tube 13, a sealing tube clamp 14, a closed infusion connector 15, a flushing pipe opening 16 and a needle handle 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a venous indwelling needle capable of preventing needle puncture injury comprises a catheter base 1, a needle base 2 is clamped at the bottom end of the catheter base 1, a needle handle 17 is arranged on the right side face of the needle base 2, anti-skidding lines are arranged on the surface of the needle handle 17, a nurse can conveniently operate a puncture needle 8 by using the needle handle 17 through arranging the needle handle 17, meanwhile, the anti-skidding lines on the surface of the needle handle 17 can increase the friction force on the surface of the needle handle, the nurse is prevented from skidding when using the needle handle 17, a telescopic rubber tube 4 is fixedly connected to the upper surface of the needle base 2, the telescopic rubber tube 4 is positioned in the catheter base 1, a needle point protective plug 5 is fixedly connected to the top end of the telescopic rubber tube 4, an annular baffle plate 3 is arranged in the catheter base 1, the upper surface of the annular baffle plate 3 is lapped on the lower surface of the needle point protective plug 5, the telescopic rubber tube 4 is prevented from driving the needle point protective plug 5 to move downwards when not being completely opened, and, the needle point protective plug 5 is clamped in the catheter base 1, the upper surface of the needle point protective plug 5 is lapped with the annular plate 6, the annular plate 6 is arranged in the catheter base 1, the upper surface of the annular plate 6 is fixedly connected with the sealing plug 7, the sealing plug 7 is arranged in the catheter base 1 in a sealing manner, the sealing plug 7 is arranged, the effect of sealing the catheter base 1 can be achieved, and blood or liquid medicine is prevented from leaking from the joint of the catheter base 1 and the needle base 2;
the upper surface of the needle base 2 is fixedly connected with a puncture needle 8, through the arrangement of the needle base 2, the telescopic rubber tube 4, the needle tip protection plug 5 and the puncture needle 8, when medical care people use the puncture needle 8 to guide the catheter 9 to enter a blood vessel, the needle base 2 is drawn out from the catheter base 1 by using the needle handle 17, the needle base 2 drives the puncture needle 8 to withdraw from the catheter 9, because the length of the telescopic rubber tube 4 which is completely stretched and lengthened is equal to the length of the puncture needle 8 which is withdrawn into the needle tip protection plug 5, the puncture needle 8 can not accidentally injure other people due to misoperation after being drawn out, thereby preventing the risk of puncture of the puncture needle 8, the through hole 11 is arranged below the front surface of the puncture needle 8, the through hole 11 is arranged in the catheter base 1, through the arrangement of the through hole 11, when the puncture needle 8 is punctured into a venous blood vessel, blood can flow into the catheter base 1 from the through, when the puncture needle 8 enters a vein, the puncture needle 8 is prevented from puncturing the back wall of the vein, the top end of the puncture needle 8 sequentially penetrates through the telescopic rubber tube 4, the needle point protecting plug 5, the annular plate 6 and the sealing plug 7 and extends to the upper part of the catheter base 1, the surface of the puncture needle 8 is sleeved with the catheter 9, the bottom end of the catheter 9 is communicated with the top end of the catheter base 1, the surface of the puncture needle 8 is provided with the remaining needle protecting sleeve 10, the bottom end of the remaining needle protecting sleeve 10 is clamped at the top end of the catheter base 1, the remaining needle protecting sleeve 10 is arranged to prevent medical workers from pricking themselves when taking the remaining needle, the puncture needle 8 is prevented from being polluted, the upper part of the left side surface of the catheter base 1 is communicated with the catheter base extending arm 12, the extending tube 13 is arranged in the catheter base extending arm 12, the surface of the extending tube 13 is, when the nurse changes the liquid medicine, through chucking sealing tube clamp 14, avoid the phenomenon of blood refluence, it has brought the convenience to change dressings for the nurse, the one end and the closed infusion of extension pipe 13 connect 15 to be linked together, through setting up closed infusion and connecting 15, medical personnel are when dribbling, just can directly input the liquid medicine into venous blood vessel to the transfer line rather than being connected, thereby avoid puncturing repeatedly, the left surface that closed infusion connects 15 is provided with towards mouth of pipe 16, through setting up towards mouth of pipe 16, can use normal saline to wash into the blood vessel to the liquid medicine in the extension pipe 13, avoid remaining liquid medicine amazing local blood vessel, reduce simultaneously between the medicine and add the incompatibility.
A venous indwelling needle using method capable of preventing needle stick injuries comprises the following steps:
s1, when the blood transfusion bag is used, a blood transfusion bag is pricked at a position 15-30 cm above a puncture point, then the puncture point of a patient is disinfected, at the moment, a nurse inserts the needle with the needle handle 17 held by the right hand and the skin at 15-30 degrees, the phenomenon of blood return in the catheter seat 1 is seen, the nurse retreats the puncture needle 8 by about 2 cm for a little, and the catheter 9 is slowly fed into a blood vessel;
s2, when the catheter 9 is sent into a blood vessel, the tourniquet is loosened, the needle handle 17 is used for driving the needle base 2 to be separated from the catheter base 1, the needle base 2 moves downwards to drive the telescopic rubber tube 4 to extend, when the needle point of the puncture needle 8 retracts into the needle point protective plug 5, the telescopic rubber tube 4 is completely unfolded, the needle handle 17 is continuously pulled, the needle base 2 drives the needle point protective plug 5 to be separated from the catheter base 1 through the telescopic rubber tube 4, and after the puncture needle 8 is pulled out, the needle point part stays in the protective plug 5;
s3, finally, people open the opening tube clamp 14, so that liquid medicine in the infusion tube enters the blood vessel through the closed infusion connector 15, the extension tube 13, the catheter holder 1 and the catheter 9, when nurses change different liquid medicines, the needle tube is firstly used for injecting normal saline into the flushing tube opening 16, adverse reaction caused by mixing of different medicines is avoided, and when infusion is finished, diluted heparin liquid is injected into the extension tube 13, so that smooth vein is ensured.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A venous indwelling needle capable of preventing needle stick injury comprises a catheter seat (1), and is characterized in that: the catheter base is characterized in that a needle base (2) is clamped at the bottom end of the catheter base (1), a telescopic rubber tube (4) is fixedly connected to the upper surface of the needle base (2), the telescopic rubber tube (4) is located in the catheter base (1), a needle point protection plug (5) is fixedly connected to the top end of the telescopic rubber tube (4), the needle point protection plug (5) is clamped in the catheter base (1), an annular plate (6) is lapped on the upper surface of the needle point protection plug (5), the annular plate (6) is arranged in the catheter base (1), a sealing plug (7) is fixedly connected to the upper surface of the annular plate (6), and the sealing plug is arranged in the catheter base (1);
the utility model discloses a catheter, including needle file (2), last fixed surface of needle file (2) is connected with pjncture needle (8), the top of pjncture needle (8) passes flexible rubber tube (4), needle point protection stopper (5), annular plate (6) and sealing plug (7) in proper order and extends to the top of pipe seat (1), pipe (9) have been cup jointed on the surface of pjncture needle (8), the bottom of pipe (9) is linked together with the top of pipe seat (1), the top of pipe seat (1) left surface is linked together with pipe seat extension arm (12), be provided with extension pipe (13) in pipe seat extension arm (12), the one end and the closed infusion of extension pipe (13) connect (15) and be linked together, the left surface of infusion closed infusion connects (15) is provided with towards mouth of pipe (16).
2. The venous indwelling needle for needle stick injury prevention according to claim 1, wherein: an annular baffle (3) is arranged in the catheter seat (1), and the upper surface of the annular baffle (3) is lapped on the lower surface of the needle point protection plug (5).
3. The venous indwelling needle for needle stick injury prevention according to claim 1, wherein: a through hole (11) is formed in the lower portion of the front face of the puncture needle (8), and the through hole (11) is located in the catheter seat (1).
4. The venous indwelling needle for needle stick injury prevention according to claim 1, wherein: the surface of the puncture needle (8) is provided with an indwelling needle protective sleeve (10), and the bottom end of the indwelling needle protective sleeve (10) is clamped at the top end of the catheter seat (1).
5. The venous indwelling needle for needle stick injury prevention according to claim 1, wherein: the surface of the extension pipe (13) is clamped with a pipe sealing clamp (14).
6. The venous indwelling needle for needle stick injury prevention according to claim 1, wherein: the needle is characterized in that a needle handle (17) is arranged on the right side face of the needle seat (2), and anti-skid grains are arranged on the surface of the needle handle (17).
7. A venous indwelling needle using method capable of preventing needle stick injuries comprises the following steps:
s1, when the blood transfusion bag is used, a blood transfusion bag is pricked at a position 15-30 cm above a puncture point, then the puncture point of a patient is disinfected, at the moment, a nurse inserts the needle with the needle handle (17) held by the right hand and the skin at 15-30 degrees, the phenomenon of blood return in the catheter seat (1) is seen, then the nurse continues to advance about 2 cm and withdraw a little of the puncture needle (8), and then the catheter (9) is slowly conveyed into the blood vessel;
s2, when the catheter (9) is sent into a blood vessel, the tourniquet is loosened, the needle handle (17) is used for driving the needle seat (2) to be separated from the catheter seat (1), the needle seat (2) moves downwards to drive the telescopic rubber tube (4) to extend, when the needle point of the puncture needle (8) moves back to the needle point protective plug (5), the telescopic rubber tube (4) is completely unfolded, the needle handle (17) is continuously pulled, the needle seat (2) drives the needle point protective plug (5) to be separated from the catheter seat (1) through the telescopic rubber tube (4), and after the puncture needle (8) is pulled out, the needle point part of the puncture needle can stay in the needle point protective plug (5);
s3, finally, people open the opening pipe clamp (14) to enable the liquid medicine in the infusion tube to enter the blood vessel through the closed infusion connector (15), the extension tube (13), the catheter holder (1) and the catheter (9), when nurses change different liquid medicines, the needle tube is firstly used for flushing the normal saline into the flushing port (16), adverse reaction caused by mixing of different medicines is avoided, and when infusion is finished, diluted heparin liquid is injected into the extension tube (13), so that vein smoothness is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290372.4A CN112587754A (en) | 2020-11-17 | 2020-11-17 | Venous indwelling needle capable of preventing needle stick injury and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290372.4A CN112587754A (en) | 2020-11-17 | 2020-11-17 | Venous indwelling needle capable of preventing needle stick injury and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112587754A true CN112587754A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290372.4A Pending CN112587754A (en) | 2020-11-17 | 2020-11-17 | Venous indwelling needle capable of preventing needle stick injury and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837104A (en) * | 2022-11-24 | 2023-03-24 | 中国人民解放军总医院第六医学中心 | Puncture needle |
| CN116899047A (en) * | 2023-08-04 | 2023-10-20 | 江苏采纳医疗科技有限公司 | Remaining needle |
-
2020
- 2020-11-17 CN CN202011290372.4A patent/CN112587754A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837104A (en) * | 2022-11-24 | 2023-03-24 | 中国人民解放军总医院第六医学中心 | Puncture needle |
| CN116899047A (en) * | 2023-08-04 | 2023-10-20 | 江苏采纳医疗科技有限公司 | Remaining needle |
| CN116899047B (en) * | 2023-08-04 | 2024-04-26 | 江苏采纳医疗科技有限公司 | Remaining needle |
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