CN215231067U

CN215231067U - Indwelling needle cleaning injection pen

Info

Publication number: CN215231067U
Application number: CN202121338235.3U
Authority: CN
Inventors: 竹诗影; 孙建红
Original assignee: Shanghai Jiading District Central Hospital
Current assignee: Shanghai Jiading District Central Hospital
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-21
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses an indwelling needle cleaning injection pen, which comprises a pen cap, a pen body, a uniform speed pushing mechanism, a needle head, a fixed cylinder and a cleaning liquid pipe, wherein one end of the pen body is connected with the fixed cylinder in a sliding way, the inner part of the fixed cylinder is sleeved with the cleaning liquid pipe in a sliding way, the outlet end of the cleaning liquid pipe passes through the fixed cylinder and is sleeved with the needle head in a spiral way, the outer part of the fixed cylinder is provided with the pen cap, the pen cap and the pen body are fixedly connected in a buckling way, the other end of the pen body is provided with a rotating rod in a rotating way, one side of the pen body is provided with the uniform speed pushing mechanism, one end of the pen body is provided with a dial gauge groove, the indwelling needle cleaning pen driven by the uniform speed pushing mechanism is adopted, the principle of the cleaning pen is the same as that of an insulin pen on the market, physiological saline can be injected into the indwelling needle in a pushing way, and the indwelling needle can be flushed under the condition of uniform speed pushing, so that the flushing effect of the interior of the remaining needle is better.

Description

Indwelling needle cleaning injection pen

Technical Field

The utility model belongs to the technical field of keep somewhere the needle is relevant, concretely relates to keep somewhere needle and wash injection pen.

Background

The remaining needle consists of a stainless steel core, a soft outer sleeve and a plastic needle seat. The outer sleeve and the needle core are inserted into a blood vessel during puncture, the needle core is drawn out after the sleeve is sent into the blood vessel, the soft outer sleeve is only left in the blood vessel for transfusion, the indwelling needle is left in the body of a patient, medicines are required to be injected regularly for cleaning, and a fixed amount of medicines are required to be pushed at a constant speed during cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a keep somewhere needle and wash injection pen to the inconvenient at the uniform velocity of accomplishing to push the medicine when keeping somewhere the needle washing that proposes in solving above-mentioned background art and leading to the not good enough problem of cleaning performance.

In order to achieve the above object, the utility model provides a following technical scheme: keep somewhere needle and wash injection pen, including pen cap, body, at the uniform velocity pushing mechanism, syringe needle, solid fixed cylinder and washing liquid pipe, the one end sliding connection of body has solid fixed cylinder, the inside of solid fixed cylinder slides and has cup jointed washing liquid pipe, the exit end of washing liquid pipe passes solid fixed cylinder and spiral cover and has connect the syringe needle, the outside of solid fixed cylinder is provided with the pen cap, pen cap and body lock joint fixed connection, the other end of body rotates and is provided with the bull stick, one side of body is provided with at the uniform velocity pushing mechanism, the graduation apparatus groove has been seted up to the one end of body.

Preferably, at the uniform velocity pushing mechanism includes power supply battery, fixed frame, motor, clamp plate, threaded rod, solid fixed ring, gear and draw-in groove, the one end at a body is fixed to fixed frame, the inside of fixed frame is provided with power supply battery, power supply battery's output is fixed with the motor, the inside of fixed frame is provided with solid fixed ring, solid fixed ring's one end and a body fixed connection, solid fixed ring's inside sliding connection has the threaded rod, the one end of threaded rod is passed fixed frame and is set up the outside at fixed frame, the one end of fixed frame is fixed with the clamp plate, the gear has been cup jointed to the outside spiral of threaded rod, the output meshing of gear and motor, the draw-in groove has been seted up to the one end of threaded rod, fixed frame inside is fixed with the lug that is used for with the draw-in groove butt joint.

Preferably, the power supply battery is only one, and the type of the power supply battery is a five-size dry battery.

Preferably, gu fixed ring is provided with two sets ofly altogether, and is two sets of gu fixed ring all fixes the bottom at the body of a brush, gear rotation sets up the inside at two sets of fixed rings.

Preferably, a push rod is slidably arranged inside the pen body, and the push rod is spirally sleeved inside the rotating rod.

Preferably, a sterile sealing sleeve is slidably sleeved on the outside of the needle.

Compared with the prior art, the utility model provides an it washs injection pen to keep somewhere needle possesses following beneficial effect:

one, the utility model discloses a by the at uniform velocity pushing mechanism driven pen that washs of remaining needle, the principle of wasing the pen is the same with the principle of insulin pen on the market, can pour into the inside of remaining the needle through the mode that promotes with normal saline, and can wash the inside of remaining the needle under the condition that promotes at the uniform velocity for it is better to keep somewhere the inside washing effect of needle.

Two, when washing the use, with the position of the one end of the tensile one end of clamp plate of threaded rod and the laminating of bull stick one end, the switch on the fixed frame of start makes the motor rotate, the motor drives gear revolve, because the butt joint of draw-in groove and fixed frame makes the threaded rod slide along with the rotation of gear, thereby make the clamp plate drive the bull stick at the uniform velocity and promote the inside liquid medicine of washing liquid needle to keeping somewhere and clear up, the rotational speed of motor is very slow, the injection speed of injection pen can realize the purpose of a minute several milliliters or several drips, and is convenient to use, and the cleaning effect is very good.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a three-dimensional structure of an indwelling needle cleaning injection pen according to the present invention;

FIG. 2 is a schematic view of the exploded structure of the indwelling needle cleaning injection pen of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the constant velocity pushing mechanism of the present invention;

fig. 4 is a schematic side view of the threaded rod according to the present invention.

In the figure: 1. a pen cap; 2. a pen body; 3. a scale groove; 4. a rotating rod; 5. a uniform speed pushing mechanism; 51. a power supply battery; 52. a fixing frame; 53. a motor; 54. pressing a plate; 55. a threaded rod; 56. a fixing ring; 57. a gear; 58. a card slot; 6. a needle head; 7. a fixed cylinder; 8. and (6) cleaning the liquid pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: keep somewhere needle washing injection pen, including cap 1, body 2, at the uniform velocity pushing mechanism 5, syringe needle 6, solid fixed cylinder 7 and washing liquid pipe 8, the one end sliding connection of body 2 has solid fixed cylinder 7, the inside slip of solid fixed cylinder 7 has cup jointed washing liquid pipe 8, the exit end of washing liquid pipe 8 passes solid fixed cylinder 7 and the spiral cover has connect syringe needle 6, the outside of solid fixed cylinder 7 is provided with cap 1,

cap

1 and 2 lock joint fixed connection of body, the other end rotation of body 2 is provided with bull stick 4, one side of body 2 is provided with at the uniform velocity pushing mechanism 5, graduation groove 3 has been seted up to the one end of body 2.

The constant-speed pushing mechanism 5 comprises a power supply battery 51, a fixed frame 52, a motor 53, a pressing plate 54, a threaded rod 55, a fixed ring 56, a gear 57 and a clamping groove 58, the fixed frame 52 is fixed at one end of the pen body 2, the power supply battery 51 is arranged inside the fixed frame 52, the motor 53 is fixed at the output end of the power supply battery 51, the fixed ring 56 is arranged inside the fixed frame 52, one end of the fixed ring 56 is fixedly connected with the pen body 2, the threaded rod 55 is slidably connected inside the fixed ring 56, one end of the threaded rod 55 penetrates through the fixed frame 52 and is arranged outside the fixed frame 52, the pressing plate 54 is fixed at one end of the fixed frame 52, the gear 57 is sleeved outside the threaded rod 55, the gear 57 is meshed with the output end of the motor 53, the clamping groove 58 is formed in one end of the threaded rod 55, and a convex block for being in butt joint with the clamping groove 58 is fixed inside the fixed on the fixed frame 52.

For convenience of use, the power supply battery 51 is only one, the type of the power supply battery 51 is a five-number dry battery, the five-number dry battery is common, and the replacement is very convenient when no power is supplied.

In order to limit the position of the gear 57, two sets of fixing rings 56 are provided, the two sets of fixing rings 56 are both fixed at the bottom end of the pen body 2, the gear 57 is rotatably provided inside the two sets of fixing rings 56, the position of the gear 57 outside the threaded rod 55 is fixed by the two sets of fixing rings 56, and the threaded rod 55 is prevented from rotating along with the gear 57.

In order to push the liquid medicine, the push rod is arranged inside the pen body 2 in a sliding mode, the push rod is spirally sleeved inside the rotating rod 4, and therefore the push rod can be driven to slide to push the liquid medicine inside the cleaning liquid tube 8 out when the rotating rod 4 is pushed.

In order to prevent infection, a sterile sealing sleeve is sleeved outside the needle 6 in a sliding mode, so that the needle 6 can be stored aseptically before being used, and the problem that bacteria infect the injection position is solved.

The working principle is as follows: when in use, the pen cap 1 is taken down, the fixed barrel 7 is taken out, the cleaning solution pipe 8 to be cleaned is sleeved inside the fixed barrel 7, the needle 6 is taken out, the sterile sealing sleeve of the needle 6 is removed and then screwed down and fixed at the outlet end of the cleaning solution pipe 8, the rotating rod 4 is stretched outwards and rotated, so that the dial gauge faces to corresponding numbers, the needle 6 presses the rotating rod 4 upwards to discharge the air in the cleaning liquid tube 8, the rotating rod 4 is pulled out again, the needle 6 is connected into the remaining needle, the threaded rod 55 is pulled to the position where one end of the pressing plate 54 is attached to one end of the rotating rod 4, the switch on the fixed frame 52 is started to enable the motor 53 to rotate, the motor 53 drives the gear 57 to rotate, as the engagement of the catch 58 and the fixed frame 52 causes the threaded rod 55 to slide as the gear 57 rotates, thereby leading the pressure plate 54 to drive the rotating rod 4 to push the liquid medicine in the cleaning liquid tube 8 at a constant speed to clean the interior of the remaining needle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Keep somewhere needle washing injection pen, including pen cap (1), body of a pen (2), at the uniform velocity pushing mechanism (5), syringe needle (6), solid fixed cylinder (7) and washing liquid pipe (8), its characterized in that: the one end sliding connection of body of a pen (2) has a fixed section of thick bamboo (7), the inside slip of a fixed section of thick bamboo (7) has cup jointed washing liquid pipe (8), the exit end of washing liquid pipe (8) passes a fixed section of thick bamboo (7) and the screw sleeve has connect syringe needle (6), the outside of a fixed section of thick bamboo (7) is provided with pen cap (1), pen cap (1) and body of a pen (2) lock joint fixed connection, the other end of body of a pen (2) rotates and is provided with bull stick (4), one side of body of a pen (2) is provided with at the uniform velocity pushing mechanism (5), graduation meter groove (3) have been seted up to the one end of body of a pen (2).

2. The indwelling needle cleaning injection pen according to claim 1, wherein: the uniform-speed pushing mechanism (5) comprises a power supply battery (51), a fixed frame (52), a motor (53), a pressing plate (54), a threaded rod (55), a fixed ring (56), a gear (57) and a clamping groove (58), wherein the fixed frame (52) is fixed at one end of the pen body (2), the power supply battery (51) is arranged inside the fixed frame (52), the motor (53) is fixed at the output end of the power supply battery (51), the fixed ring (56) is arranged inside the fixed frame (52), one end of the fixed ring (56) is fixedly connected with the pen body (2), the threaded rod (55) is slidably connected inside the fixed ring (56), one end of the threaded rod (55) penetrates through the fixed frame (52) and is arranged outside the fixed frame (52), the pressing plate (54) is fixed at one end of the fixed frame (52), and the gear (57) is spirally sleeved outside the threaded rod (55), the output end meshing of gear (57) and motor (53), draw-in groove (58) have been seted up to the one end of threaded rod (55), fixed frame (52) inside is fixed with the lug that is used for with draw-in groove (58) butt joint.

3. The indwelling needle cleaning injection pen according to claim 2, wherein: the power supply battery (51) is only provided with one battery, and the type of the power supply battery (51) is a five-number dry battery.

4. The indwelling needle cleaning injection pen according to claim 2, wherein: fixed ring (56) are provided with two sets ofly altogether, and are two sets of fixed ring (56) are all fixed in the bottom of body of a writing brush (2), gear (57) rotate the inside that sets up at two sets of fixed ring (56).

5. The indwelling needle cleaning injection pen according to claim 1, wherein: the pen is characterized in that a push rod is arranged inside the pen body (2) in a sliding mode, and the push rod is spirally sleeved inside the rotating rod (4).

6. The indwelling needle cleaning injection pen according to claim 1, wherein: and a sterile sealing sleeve is sleeved outside the needle head (6) in a sliding manner.