CN110975071A - Subcutaneous puncture injection device and injection method thereof - Google Patents
Subcutaneous puncture injection device and injection method thereof Download PDFInfo
- Publication number
- CN110975071A CN110975071A CN201911068051.7A CN201911068051A CN110975071A CN 110975071 A CN110975071 A CN 110975071A CN 201911068051 A CN201911068051 A CN 201911068051A CN 110975071 A CN110975071 A CN 110975071A
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- Prior art keywords
- needle
- tube
- movable
- injection
- indwelling needle
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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
- A61M5/3293—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 characterised by features of the needle hub
-
- 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
- A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
-
- 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
- A61M5/46—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 having means for controlling depth of insertion
Abstract
The invention discloses a subcutaneous puncture injection device and an injection method thereof, and particularly relates to the technical field of medical injection tools. The injection needle is connected with the indwelling needle tube through the movable strip communicating pipe and the injection tube, the puncture needle occupies the internal infusion space of the indwelling needle tube, the blockage of the indwelling needle tube is avoided, the injection tube is in switching connection with the indwelling needle tube, the medicine is conveniently injected into the subcutaneous tissue, the switching operation of indwelling of the indwelling needle tube and medicine injection is convenient, and the use function of the device is improved.
Description
Technical Field
The invention relates to the technical field of medical injection tools, in particular to a subcutaneous puncture injection device and an injection method thereof.
Background
The pathogenesis of psoriasis is not clear. The pathogenesis of psoriasis is considered to mainly comprise hyperfunction of immunity, microcirculation disturbance and the like. At present, the international conventional psoriasis treatment is based on the mechanism of hyperfunction of immunity, and different kinds of immunosuppressants are used for treating psoriasis, so that a plurality of medicaments are used, but the treatment methods only control symptoms temporarily, and patients are difficult to radically treat the psoriasis. The therapeutic development in the microcirculation mechanism is not very much. While the microcirculation mechanism is not negligible in the treatment of psoriasis, and may be a breakthrough in the treatment of psoriasis.
Generally, a long-time medicine injection is needed for treating psoriasis, generally, a subcutaneous indwelling needle is used for medicine injection, and the indwelling needle tube is retained subcutaneously for a long time, so that blockage is easy to occur, and the use of the indwelling needle tube is influenced.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a subcutaneous puncture injection device and an injection method thereof, wherein a movable strip drives a communicating tube and an injection tube to connect with an indwelling needle tube, a puncture needle penetrates through the communicating tube to be inserted into the indwelling needle tube, the puncture needle occupies the internal infusion space of the indwelling needle tube to avoid the blockage of the indwelling needle tube, and then the movable strip is used to facilitate the communicating tube, the injection tube and the indwelling needle tube to switch and connect, so as to enable a drug to enter the indwelling needle tube by using the injection tube, enable the drug to be injected subcutaneously, facilitate the switching operation of indwelling of the indwelling needle tube and drug injection, and improve the use function of the device, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a subcutaneous puncture injection device and an injection method thereof comprise a needle seat, wherein anti-skid leaves are fixedly arranged on two sides of the surface of the needle seat, a movable block is movably arranged in the needle seat, a movable sleeve is sleeved on the surface of the needle seat, communicating grooves are formed in two sides of the surface of the needle seat, two ends of the movable block respectively penetrate through the two communicating grooves and are fixedly connected with the movable sleeve, an indwelling needle tube is fixedly arranged in the middle of the movable block, a spring is arranged on one side of the movable block, the indwelling needle tube is sleeved with the spring, a pushing ring is arranged on one side of the movable sleeve, and the pushing ring is movably connected with;
the movable sleeve is characterized in that movable grooves are formed in two sides of the surface of the movable sleeve, movable strips are arranged between the two movable grooves and penetrate through the communicating grooves, limiting blocks are fixedly arranged at two ends of each movable strip, a communicating pipe and an injection pipe are fixedly arranged in the middle of each movable strip, inserting holes are fixedly formed in two sides of each movable strip, the communicating pipe and the injection pipe are matched and spliced with the remaining needle tube and the inserting holes, a puncture needle is movably spliced in the communicating pipe, and the puncture needle is matched and spliced with the remaining needle tube.
In a preferred embodiment, the inner wall of the pushing ring is fixedly provided with a threaded ridge, the surface of the needle seat is fixedly provided with a threaded groove, and the pushing ring is in threaded connection with the needle seat.
In a preferred embodiment, the length of the movable strip is greater than the outer diameter of the movable sleeve, the communicating pipe and the injection pipe are both perpendicular to the movable strip, and the distance between the communicating pipe and the injection pipe is the same as the distance between the jack and the indwelling needle tube.
In a preferred embodiment, the shape of the injection tube is a right-angle bend, one end of the injection tube extends outwards along the movable strip and is fixedly provided with an infusion tube, one end of the infusion tube is fixedly provided with an infusion joint, and the infusion joint is movably connected with an injector.
In a preferred embodiment, the surface of the movable sleeve is provided with a groove, the groove is arranged with the same length as the movable groove, and a compression spring is sleeved inside the groove and is arranged in a matching way with the two ends of the movable strip.
In a preferred embodiment, a limit needle head is fixedly arranged at one end of the puncture needle, a fixed rubber sleeve is fixedly arranged at the connection end of the limit needle head and the puncture needle, the fixed rubber sleeve is sleeved with the communicating pipe, a movable plug is movably arranged at the other end of the needle seat, and a connecting wire is arranged between the movable plug and the limit needle head.
In a preferred embodiment, one end of the indwelling needle tube is fixedly sleeved with a sealing sleeve, the communicating tube and the injection tube are both in matched sleeve joint with the sealing sleeve, and the puncture needle tip puncturing end extends out of the infusion end of the indwelling needle tube.
In a preferred embodiment, one end of the needle base is provided with a pressing sleeve in a threaded connection mode, a pressing rubber ring is fixedly arranged inside the pressing sleeve, and the indwelling needle tube is sleeved with the pressing rubber ring.
A subcutaneous puncture injection device and an injection method thereof are characterized in that:
the method comprises the following steps: the pushing ring is rotated, is in threaded connection with the needle seat, pushes the movable sleeve to move, further drives the movable block to move, compresses the spring, enables the indwelling needle tube to extend out of the needle seat, and realizes the determination of the length of the subcutaneous indwelling needle tube;
step two: cleaning skin rash parts, and performing conventional iodophor disinfection on the skin rash parts by using cotton swabs;
step three: the indwelling needle tube is punctured into the skin, the needle base is placed at the cleaned skin rash, the adhesive plaster is used for adhering the anti-skid leaves and the surface of the needle base, and the needle base is fixed;
step four: opening the movable plug, pulling the limiting needle head by using the connecting wire, and drawing the puncture needle out of the indwelling needle tube;
step five: the two limiting blocks are clamped by fingers to push the movable strip to move, the compression spring is compressed, the communicating pipe is pulled out from the indwelling needle tube, the movable strip is pushed to move horizontally to align the injection tube with the indwelling needle tube, and after the two limiting blocks are loosened, the compression spring pushes the movable strip to insert the injection tube into the indwelling needle tube, so that the device is switched to an injection state;
step six: the injector is inserted into the infusion joint, the medicine moves along the infusion tube, and the injection tube enters the indwelling needle tube and then enters the subcutaneous part to realize the injection of the medicine;
step seven: and a fifth reverse operation step, namely, the communicating pipe is restored to be connected with the indwelling needle tube, the puncture needle penetrates through the communicating pipe again to be inserted into the indwelling needle tube, and the needle seat is sealed by using the movable plug.
The invention has the technical effects and advantages that:
1. according to the invention, the communicating pipe and the injection pipe are arranged, the communicating pipe and the injection pipe are driven by the movable strip to be connected with the indwelling needle pipe, the puncture needle penetrates through the communicating pipe to be inserted into the indwelling needle pipe, the puncture needle occupies the internal infusion space of the indwelling needle pipe to avoid blockage of the indwelling needle pipe, the communicating pipe, the injection pipe and the indwelling needle pipe are conveniently switched and connected by the movable strip subsequently, medicine enters the indwelling needle pipe by the injection pipe, and medicine is injected into the subcutaneous space;
2. according to the invention, the pushing ring is in threaded connection with the needle base, so that the movable sleeve is pushed by the horizontal movement of the pushing ring, the movable block is driven to move in the needle base, and the adjustment of the extension of the indwelling needle tube from the needle base is realized.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic cross-sectional view of the needle mount of the present invention.
FIG. 3 is a schematic view of portion A of FIG. 2 according to the present invention.
Fig. 4 is a schematic side sectional view of the movable block of the present invention.
Fig. 5 is an overall schematic view of the condom of the invention.
FIG. 6 is a side view of the active strip of the present invention.
FIG. 7 is a schematic view of the portion B of FIG. 2 according to the present invention.
The reference signs are: the injection needle comprises a needle seat 1, an anti-slip leaf 2, a movable block 3, a movable sleeve 4, a communicating groove 5, a reserved needle tube 6, a spring 7, a pushing ring 8, a movable groove 9, a movable strip 10, a limiting block 11, a communicating tube 12, an injection tube 13, a jack 14, a puncture needle 15, a transfusion tube 16, a transfusion joint 17, an injector 18, a groove 19, a compression spring 20, a limiting needle head 21, a fixed rubber sleeve 22, a movable plug 23, a connecting wire 24, a sealing sleeve 25, a compression sleeve 26 and a compression rubber ring 27.
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.
The invention provides a subcutaneous puncture injection device as shown in figures 1-7, which comprises a needle seat 1, wherein anti-skid leaves 2 are fixedly arranged on two sides of the surface of the needle seat 1, a movable block 3 is movably arranged in the needle seat 1, a movable sleeve 4 is sleeved on the surface of the needle seat 1, communicating grooves 5 are respectively formed in two sides of the surface of the needle seat 1, two ends of the movable block 3 respectively penetrate through the two communicating grooves 5 to be fixedly connected with the movable sleeve 4, an indwelling needle tube 6 is fixedly arranged in the middle of the movable block 3, a spring 7 is arranged on one side of the movable block 3, the indwelling needle tube 6 is sleeved with the spring 7, a pushing ring 8 is arranged on one side of the movable sleeve 4, and the pushing ring 8 is movably connected with the;
the movable sleeve is characterized in that movable grooves 9 are formed in two sides of the surface of the movable sleeve 4, a movable strip 10 is arranged between the movable grooves 9, the movable strip 10 penetrates through the communicating groove 5, limiting blocks 11 are fixedly arranged at two ends of the movable strip 10, a communicating pipe 12 and an injection pipe 13 are fixedly arranged in the middle of the movable strip 10, inserting holes 14 are fixedly formed in two sides of the movable block 3, the communicating pipe 12 and the injection pipe 13 are matched and inserted with an indwelling needle tube 6 and the inserting holes 14, a puncture needle 15 is movably inserted in the communicating pipe 12, and the puncture needle 15 is matched and inserted with the indwelling needle tube 6.
Further, it is provided with the thread ridge to promote the fixed screw thread arris that is provided with of 8 inner walls of circle, needle file 1 fixed surface is provided with the thread groove, promote circle 8 and 1 threaded connection of needle file, utilize to promote circle 8 and promote movable sleeve 4, and then drive movable block 3 and move in needle file 1.
Further, activity strip 10 length is greater than the setting of 4 external diameters of movable sleeve, communicating pipe 12 and injection tube 13 all set up with activity strip 10 is perpendicular, communicating pipe 12 and 13 intervals of injection tube and jack 14 and the same setting of lieing in the 6 intervals of needle tubing are stayed to communicating pipe 12 and injection tube 13, make things convenient for communicating pipe 12 and injection tube 13 to correspond with lieing in needle tubing 6 and jack 14, make things convenient for the grafting operation, make things convenient for the level (l) ing of activity strip 10, realize connecting the operation to the switching of connecting bobbin 12 and injection tube 13 and lieing in needle tubing 6.
Further, the injection tube 13 shape sets up for the right angle bending, 13 one end of injection tube is provided with transfer line 16 along the outside fixed being provided with of the outside extension of activity strip 10, 16 one end of transfer line is fixed and is provided with infusion joint 17, infusion joint 17 swing joint has syringe 18, conveniently utilizes syringe 18 to connect infusion joint 7, and cooperation transfer line 16 carries injection tube 13 with the medicine, and then cooperation injection tube 13 and the connection of remaining needle tubing 6 realize that the medicine gets into subcutaneous tissue.
Further, the surface of the movable sleeve 4 is provided with a groove 19, the groove 19 is arranged in the same length as the movable groove 9, a compression spring 20 is sleeved in the groove 19, the compression spring 20 is matched with the two ends of the movable strip 10, the movable strip 10 is pushed by the compression spring 20 conveniently, and then the force to the indwelling needle tube 6 is applied to the communicating tube 12 or the injection tube 13 conveniently, so that the connection effect is improved.
Further, the fixed spacing syringe needle 21 that is provided with of pjncture needle 15 one end, spacing syringe needle 21 is fixed with pjncture needle 15 connected end and is set up fixed gum cover 22, fixed gum cover 22 cup joints with communicating pipe 12, the activity of the 1 other end of needle file is provided with movable stopper 23, be provided with connecting wire 24 between movable stopper 23 and the spacing syringe needle 21, utilize the elasticity of fixed gum cover 22, realize improving spacing syringe needle 21 and communicating pipe 12's the intensity of cup jointing, improve pjncture needle 15's stability.
Furthermore, a sealing sleeve 25 is fixedly sleeved at one end of the indwelling needle tube 6, the communicating tube 12 and the injection tube 13 are both matched and sleeved with the sealing sleeve 25, the sharp end of the puncture needle 15 extends out of the infusion end of the indwelling needle tube 6, the connection sealing performance of the communicating tube 12, the injection tube 13 and the indwelling needle tube 6 is improved, and the indwelling needle tube 6 is conveniently punctured into the subcutaneous space by the sharp of the puncture needle 15.
Further, 1 one end threaded connection of needle file is provided with compresses tightly cover 26, compress tightly the inside fixed rubber ring 27 that compresses tightly that is provided with of cover 26, keep somewhere needle tubing 6 cup joints with compressing tightly rubber ring 27, after confirming the extension length of keeping somewhere needle tubing 6, through the pressing sleeve 26 of screwing, exert pressure to compressing tightly rubber ring 27, and then utilize the elasticity that compresses tightly rubber ring 27 to press from both sides tight 6 surfaces of keeping somewhere needle tubing, further carry out position fixing to keeping somewhere needle tubing 6, improve the stability of keeping somewhere needle tubing 6.
A subcutaneous puncture injection device and an injection method thereof are characterized in that:
the method comprises the following steps: the pushing ring 8 is rotated, the pushing ring 8 is in threaded connection with the needle base 1, the movable sleeve 4 is pushed to move, the movable block 3 is further driven to move, the spring 7 is compressed, the indwelling needle tube 6 extends out of the needle base 1, and the length of the indwelling needle tube 6 penetrating into the skin is determined;
step two: cleaning skin rash parts, and performing conventional iodophor disinfection on the skin rash parts by using cotton swabs;
step three: the indwelling needle tube 6 is punctured into the skin, the needle base 1 is placed at the cleaned skin rash, the adhesive tape is used for sticking the anti-skid leaves 2 and the surface of the needle base 1, and the needle base 1 is fixed;
step four: opening the movable plug 23, pulling the limit needle 21 by using the connecting wire 24, and drawing the puncture needle 15 out of the indwelling needle tube 6;
step five: the two limiting blocks 11 are clamped by fingers, the movable strip 10 is pushed to move, the compression spring 20 is compressed, the communicating pipe 12 is pulled out from the indwelling needle tube 6, the movable strip 10 is pushed to move horizontally, the injection tube 13 is aligned with the indwelling needle tube 6, after the two limiting blocks 11 are loosened, the compression spring 20 pushes the movable strip 10, the injection tube 13 is inserted into the indwelling needle tube 6, and the device is switched to an injection state;
step six: the injector 18 is inserted into the infusion joint 17, the medicine moves along the infusion tube 16, and the injection tube 13 enters the indwelling needle tube 6 and then enters the subcutaneous part to realize the injection of the medicine;
step seven: and a fifth reverse operation step, namely, the communication pipe 13 is restored to be connected with the indwelling needle tube 6, the puncture needle 15 penetrates through the communication pipe 13 again and is inserted into the indwelling needle tube 6, and the needle seat 1 is closed by the movable plug 23.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A subcutaneous puncture injection device, includes needle file (1), its characterized in that: the anti-skid needle is characterized in that anti-skid leaves (2) are fixedly arranged on two sides of the surface of the needle seat (1), a movable block (3) is movably arranged in the needle seat (1), a movable sleeve (4) is sleeved on the surface of the needle seat (1), communicating grooves (5) are formed in two sides of the surface of the needle seat (1), two ends of the movable block (3) respectively penetrate through the two communicating grooves (5) and are fixedly connected with the movable sleeve (4), an indwelling needle tube (6) is fixedly arranged in the middle of the movable block (3), a spring (7) is arranged on one side of the movable block (3), the needle tube (6) is sleeved with the indwelling needle tube (7), a pushing ring (8) is arranged on one side of the movable sleeve (4), and the pushing ring (8);
the novel infusion needle is characterized in that movable grooves (9) are formed in two sides of the surface of the movable sleeve (4), a movable strip (10) is arranged between the two movable grooves (9), the movable strip (10) penetrates through the communicating groove (5), limiting blocks (11) are fixedly arranged at two ends of the movable strip (10), a communicating pipe (12) and an injection pipe (13) are fixedly arranged in the middle of the movable strip (10), inserting holes (14) are fixedly formed in two sides of the movable block (3), the communicating pipe (12) and the injection pipe (13) are matched and spliced with the indwelling needle tube (6) and the inserting holes (14), a puncture needle (15) is movably spliced in the communicating pipe (12), and the puncture needle (15) is matched and spliced with the indwelling needle tube (6).
2. A subcutaneous puncture injection device according to claim 1, characterized in that: the inner wall of the pushing ring (8) is fixedly provided with a thread ridge, the surface of the needle seat (1) is fixedly provided with a thread groove, and the pushing ring (8) is in threaded connection with the needle seat (1).
3. A subcutaneous puncture injection device according to claim 1, characterized in that: the length of the movable strip (10) is larger than the outer diameter of the movable sleeve (4), the communicating pipe (12) and the injection pipe (13) are perpendicular to the movable strip (10), and the distance between the communicating pipe (12) and the injection pipe (13) and the distance between the jack (14) and the indwelling needle tube (6) are the same.
4. A subcutaneous puncture injection device according to claim 1, characterized in that: the injection tube (13) is in a right-angle bending shape, one end of the injection tube (13) extends outwards along the movable strip (10) and is fixedly provided with an infusion tube (16), one end of the infusion tube (16) is fixedly provided with an infusion joint (17), and the infusion joint (17) is movably connected with an injector (18).
5. A subcutaneous puncture injection device according to claim 1, characterized in that: the surface of the movable sleeve (4) is provided with a groove (19), the groove (19) and the movable groove (9) are arranged in the same length, a compression spring (20) is sleeved in the groove (19), and the compression spring (20) is matched with the two ends of the movable strip (10).
6. A subcutaneous puncture injection device according to claim 1, characterized in that: the fixed spacing syringe needle (21) that is provided with of pjncture needle (15) one end, fixed gum cover (22) of fixed setting of spacing syringe needle (21) and pjncture needle (15) connected end, fixed gum cover (22) cup joint with communicating pipe (12), needle file (1) other end activity is provided with movable stopper (23), be provided with connecting wire (24) between movable stopper (23) and spacing syringe needle (21).
7. A subcutaneous puncture injection device according to claim 1, characterized in that: the indwelling needle tube (6) is characterized in that a sealing sleeve (25) is fixedly sleeved at one end of the indwelling needle tube (6), the communicating tube (12) and the injection tube (13) are matched and sleeved with the sealing sleeve (25), and the sharp end of the puncture needle (15) extends out of the infusion end of the indwelling needle tube (6).
8. A subcutaneous puncture injection device according to claim 1, characterized in that: one end of the needle base (1) is connected with a pressing sleeve (26) in a threaded mode, a pressing rubber ring (27) is fixedly arranged inside the pressing sleeve (26), and the indwelling needle tube (6) is sleeved with the pressing rubber ring (27).
9. An injection method using the hypodermic needle injection device of any one of claims 1-8, wherein:
the method comprises the following specific steps:
the method comprises the following steps: the pushing ring (8) is rotated, the pushing ring (8) is in threaded connection with the needle seat (1), the movable sleeve (4) is pushed to move, the movable block (3) is further driven to move, the spring (7) is compressed, the indwelling needle tube (6) extends out of the needle seat (1), and the length of puncturing the subcutaneous indwelling needle tube (6) is determined;
step two: cleaning skin rash parts, and performing conventional iodophor disinfection on the skin rash parts by using cotton swabs;
step three: the indwelling needle tube (6) is punctured into the skin, the needle seat (1) is placed at the cleaned skin rash, the adhesive tape is used for sticking the anti-skid leaves (2) and the surface of the needle seat (1), and the needle seat (1) is fixed;
step four: opening the movable plug (23), pulling the limit needle head (21) by using the connecting wire (24), and drawing the puncture needle (15) out of the indwelling needle tube (6);
step five: the two limiting blocks (11) are clamped by fingers, the movable strip (10) is pushed to move, the compression spring (20) is compressed, the communicating pipe (12) is pulled out from the indwelling needle tube (6), the movable strip (10) is pushed to move horizontally, the injection tube (13) is aligned with the indwelling needle tube (6), and after the two limiting blocks (11) are loosened, the compression spring (20) pushes the movable strip (10) to insert the injection tube (13) into the indwelling needle tube (6), so that the device is switched to an injection state;
step six: the injector (18) is inserted into the infusion joint (17), the medicine moves along the infusion tube (16), and the injection tube (13) enters the indwelling needle tube (6) and then enters the subcutaneous part to realize the injection of the medicine;
step seven: and a fifth reverse operation step, namely, the connection between the communicating pipe (13) and the indwelling needle tube (6) is restored, the puncture needle (15) penetrates through the communicating pipe (13) again, the indwelling needle tube (6) is inserted, and the needle seat (1) is sealed by using the movable plug (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068051.7A CN110975071B (en) | 2019-11-04 | 2019-11-04 | Subcutaneous puncture injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068051.7A CN110975071B (en) | 2019-11-04 | 2019-11-04 | Subcutaneous puncture injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110975071A true CN110975071A (en) | 2020-04-10 |
| CN110975071B CN110975071B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911068051.7A Active CN110975071B (en) | 2019-11-04 | 2019-11-04 | Subcutaneous puncture injection device |
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| Country | Link |
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| CN (1) | CN110975071B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5961493A (en) * | 1998-06-03 | 1999-10-05 | Liu; Wen-Neng | Automatic safety infusion catheter needle |
| CN1427731A (en) * | 2000-11-21 | 2003-07-02 | 贝克顿迪肯森公司 | Catheter and introducer needle assembly with needle shield |
| JP2006296797A (en) * | 2005-04-21 | 2006-11-02 | Nippon Sherwood Medical Industries Ltd | Indwelling needle set |
| US20090143737A1 (en) * | 2006-05-17 | 2009-06-04 | Terumo Kabushiki Kaisha, | Indwelling needle assembly |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
| CN107412912A (en) * | 2017-09-19 | 2017-12-01 | 河南驼人医疗器械集团有限公司 | It is a kind of to continue micro- transfusion vein indwelling needle |
-
2019
- 2019-11-04 CN CN201911068051.7A patent/CN110975071B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5961493A (en) * | 1998-06-03 | 1999-10-05 | Liu; Wen-Neng | Automatic safety infusion catheter needle |
| CN1427731A (en) * | 2000-11-21 | 2003-07-02 | 贝克顿迪肯森公司 | Catheter and introducer needle assembly with needle shield |
| JP2006296797A (en) * | 2005-04-21 | 2006-11-02 | Nippon Sherwood Medical Industries Ltd | Indwelling needle set |
| US20090143737A1 (en) * | 2006-05-17 | 2009-06-04 | Terumo Kabushiki Kaisha, | Indwelling needle assembly |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
| CN107412912A (en) * | 2017-09-19 | 2017-12-01 | 河南驼人医疗器械集团有限公司 | It is a kind of to continue micro- transfusion vein indwelling needle |
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| Publication number | Publication date |
|---|---|
| CN110975071B (en) | 2022-02-15 |
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