CN209996915U

CN209996915U - needle drop preventing device for infusion apparatus

Info

Publication number: CN209996915U
Application number: CN201920646189.XU
Authority: CN
Inventors: 王亚贤; 赵喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-31
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to the technical field of medical auxiliary equipment, its aim at provides kinds of transfusion system with anticreep needle device, the technical scheme who adopts is that kinds of transfusion system are with anticreep needle device, and it cooperates the installation with outside transfusion system, the transfusion system includes syringe needle, syringe needle seat and the infusion pipeline that links to each other in proper order from top to bottom, the anticreep needle device for the transfusion system includes the sleeve pipe, the sleeve pipe includes bottom plate, roof and curb plate, roof and bottom plate are located the top and the bottom of curb plate respectively, bottom plate movable sleeve is established on the infusion pipeline, the internal diameter of the through-hole of bottom plate is less than the external diameter of syringe needle seat, the roof has seted up along the axial and has settled the mouth, the internal diameter of settling the mouth is greater than the external diameter of infusion bottle lid, the holding tank has been seted up along radial in the middle part of roof, the tank bottom of holding tank has the slider through spring coupling.

Description

needle drop preventing device for infusion apparatus

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to an anti-needle-drop device for kinds of infusion apparatuses.

Background

In the current clinical infusion treatment process, generally, need use the transfusion system to carry out the infusion, however, because the transfusion system is in the use, it is in the infusion bottle lid through the puncture of transfusion system syringe needle, then realizes fixing through the frictional force between transfusion system syringe needle and the transfusion system, causes the condition that the transfusion system drops to take place occasionally in the hospital. When carrying out emergency call to the patient and transporting, patient restless, the patient stands up or the patient falls asleep, if not in time relieve the transfusion system, the condition that the transfusion system syringe needle takes off the needle in by the infusion bottle lid very easily takes place under the exogenic action, causes the transfusion system syringe needle to be infected with the germ in the hospital, often needs medical personnel in time to change the transfusion system, when having increased medical personnel's working strength, has still caused the waste of medical treatment consumptive material and medicine. The solution in the prior art is that medical care personnel increase the strength of health promotion and education, but the effect is not good for special patients and patients under special conditions.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an kinds of transfusion system are with preventing taking off needle device, it can effectively avoid the transfusion system syringe needle to be covered by the infusion bottle and drop.

The utility model adopts the technical proposal that:

anti-needle-drop device for infusion apparatus, which is installed in cooperation with an external infusion apparatus, wherein the infusion apparatus comprises a needle head, a needle head seat and an infusion pipeline which are sequentially connected from top to bottom, the anti-needle-drop device for infusion apparatus comprises a sleeve, the sleeve comprises a bottom plate, a top plate and side plates, the top plate and the bottom plate are respectively located at the top and the bottom of the side plates, the bottom plate is movably sleeved on the infusion pipeline, the inner diameter of a through hole of the bottom plate is smaller than the outer diameter of the needle head seat, a placement opening is axially formed in the top plate, the inner diameter of the placement opening is larger than the outer diameter of an infusion bottle cap, an accommodating groove is radially formed in the middle of the top plate, the groove bottom of.

Preferably, the top of the sliding block is fixedly provided with a pull rod, the top of the top plate is provided with a limiting hole in a matching mode with the pull rod, and the pull rod penetrates through the limiting hole.

Preferably, the device also comprises a detection sensor, a controller, an alarm device and a power module, wherein the detection sensor and the alarm device are electrically connected with the controller, and the power module is respectively electrically connected with the detection sensor, the controller and the alarm device; the detection sensor is arranged between the bottom plate and the top plate and is used for detecting the downward tensile force of the needle head seat and sending a detection signal to the controller in real time; the controller is used for receiving the detection signal and sending an alarm signal to the alarm device when the detection signal reaches a threshold value; the alarm device is used for carrying out alarm action after receiving the alarm signal; and the power supply module is used for providing electric support for the detection sensor, the controller and the alarm device.

Preferably, the detection sensor is an annular pressure sensor, a fixing plate of the detection sensor is fixedly arranged at the top of the bottom plate, and the gasket faces the bottom of the needle seat.

Preferably, the detection sensor is a tension sensor, the th detection end of the detection sensor is fixedly connected with the needle base, and the second detection end of the detection sensor is fixedly connected with the infusion bottle cap.

Preferably, the thickness of the slider towards the side of the central axis of the top plate is gradually reduced from top to bottom.

The beneficial effects of the utility model are that the beneficial effects are concentrated and are embodied, can effectively avoid the transfusion system syringe needle to cover by the infusion bottle and drop particularly, the utility model discloses in the use, wear to establish in the bottom plate earlier the infusion pipeline, make syringe needle seat restriction in the space that bottom plate, roof and curb plate center on, then pull out the syringe needle and pierce the infusion bottle lid on the infusion bottle in, move the slider towards the week side direction of roof after that to open the arrangement mouth on the top, install the infusion bottle lid in the arrangement mouth again, treat after the infusion bottle lid gets into the space that the curb plate surrounds completely, loosen the slider, the slider is automatic to the axis direction extension of roof under the effect of spring promptly, from this withholds the infusion bottle tightly, when the infusion pipeline receives external force to pull, because infusion bottle lid and syringe needle all are located the cover, can effectively avoid the syringe needle to cover by the infusion bottle to drop, have and push away .

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a longitudinal sectional view of an kinds of anti-needle-drop device for infusion apparatus;

FIG. 2 is a longitudinal sectional view of kinds of anti-needle-drop devices for infusion apparatus and the infusion apparatus of the present invention

FIG. 3 is a top view of FIG. 2;

fig. 4 is a control block diagram in the present invention;

fig. 5 is a longitudinal sectional view of kinds of needle drop preventing devices for infusion apparatus, which are connected with the infusion apparatus and the infusion bottle.

In the figure: 1-a needle head; 2-needle seat; 3-a transfusion pipeline; 4-a bottom plate; 5-a top plate; 6-side plate; 7-a spring; 8-a slide block; 9-a pull rod; 10-a limiting hole; 11-a detection sensor; 12-a controller; 13-an alarm device; 14-a power supply module; 15-infusion bottle; 16-infusion bottle cap.

Detailed Description

For the purposes of making the embodiments of the present invention more apparent, the technical solutions and advantages thereof according to the embodiments of the present invention will be described in detail, and it is to be understood that the embodiments described are only some of the embodiments rather than all of the embodiments of the present invention, which are illustrated and described in the drawings herein.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present embodiments.

In describing embodiments of the present invention, it should be further noted that unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are intended to be , for example, they may be fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and communicating between two elements.

The present invention will be further described in with reference to the following drawings and specific examples.

Example 1:

the present embodiment provides anti-needle-release devices for infusion apparatuses, as shown in fig. 1 to 3, the anti-needle-release devices for infusion apparatuses are installed in cooperation with an external infusion apparatus, the infusion apparatus includes a needle 1, a needle base 2, and an infusion tube 3, which are sequentially connected from top to bottom, the anti-needle-release devices for infusion apparatuses include a cannula, it should be understood that the needle base 2 is fixedly connected to the needle 1, a cross-sectional area of the needle base 2 is larger than a cross-sectional area of the needle 1, the infusion tube 3, the needle base 2, and the needle 1 are communicated with each other, the cannula includes a bottom plate 4, a top plate 5, and a side plate 6, the top plate 5 and the bottom plate 4 are respectively located at the top and the bottom of the side plate 6, the bottom plate 4 is movably sleeved on the infusion tube 3, an inner diameter of a through hole of the bottom plate 4 is smaller than an outer diameter of the needle base 2, the top plate 5 is axially provided with an installation hole, an inner diameter of the installation hole is larger than an outer diameter of an infusion bottle cap 16, an installation groove is radially provided, a groove is provided at the bottom of the installation groove 8 is connected to a slider through a spring 7, the slider 8 is provided in a middle hole of the top plate 5, the bottom plate is provided with a rubber cap, the rubber cap 7 is provided in a rubber cap, the rubber cap is provided in a rubber cap, the rubber cap 7 is provided, the rubber cap is provided in a rubber cap 7, the rubber cap 7 is provided in a rubber cap, the rubber cap is provided in a rubber cap 7 is provided, the.

The infusion bottle cap 16 can effectively prevent the needle 1 of the infusion apparatus from falling off, specifically, in the use process of the infusion apparatus, the infusion pipeline 3 is firstly arranged in the bottom plate 4 in a penetrating mode, the needle seat 2 is limited in a space surrounded by the bottom plate 4, the top plate 5 and the side plate 6, then the needle 1 is pulled out and pierced into the infusion bottle cap 16 on the infusion bottle 15, then the sliding block 8 is moved towards the peripheral side direction of the top plate 4 to open the placing opening on the top part 4, the infusion bottle cap 16 is arranged in the placing opening, after the infusion bottle cap 16 completely enters the space surrounded by the side plate 6, the sliding block 8 is loosened, the sliding block 8 automatically extends towards the central axis direction of the top plate 5 under the action of the spring 7, so that the infusion bottle 15 is tightly pushed, when the infusion pipeline 3 is pulled by external force, the infusion bottle cap 16 and the needle 1 are both located in the sleeve, the needle 1 can be effectively prevented from falling off from.

, a pull rod 9 is fixedly arranged at the top of the slide block 8, a limit hole 10 is formed in the top of the top plate 5 in cooperation with the pull rod 9, and the pull rod 9 penetrates through the limit hole 10. it should be noted that a medical worker can pull the pull rod 9 towards the direction of the side plate 6, so that the infusion bottle cap 16 can be taken out of the top plate 5, and the arrangement is favorable for reuse of the embodiment or separate treatment of the infusion bottle 15 from the embodiment.

, the thickness of the slide block 8 towards the side of the central axis of the top plate 5 is gradually reduced from top to bottom, it should be understood that the inner end surface of the slide block 8 is wedge-shaped, so as to guide the infusion bottle cap 1616 through the slide block 8 and facilitate the sleeving of the infusion bottle 15.

Preferably, in this embodiment, the infusion pipeline 3 is further fixedly provided with a limiting block, and the limiting block is located at side of the bottom plate 4 far away from the needle base 2.

Example 2:

in order to enable medical staff or patients to know whether a needle of an infusion apparatus is accidentally dropped or not at all, the present embodiment is made on the basis of embodiment 1, and specifically, as shown in fig. 4, the present embodiment further includes a detection sensor 11, a controller 12, an alarm device 13 and a power module 14, the detection sensor 11 and the alarm device 13 are both electrically connected with the controller 12, and the power module 14 is respectively electrically connected with the detection sensor 11, the controller 12 and the alarm device 13; the detection sensor 11 is arranged between the bottom plate 4 and the top plate 5, and the detection sensor 11 is used for detecting the downward tensile force of the needle head seat 2 and sending a detection signal to the controller 12 in real time; the controller 12 is configured to receive the detection signal, and send an alarm signal to the alarm device 13 when the detection signal reaches a threshold value; the alarm device 13 is used for carrying out alarm action after receiving the alarm signal; the power module 14 is used for providing power support for the detection sensor 11, the controller 12 and the alarm device 13. It should be understood that the detection sensor may be, but is not limited to, an annular pressure sensor or a tension sensor, as long as the force condition of the needle 1 can be detected, and the controller 12 may be, but is not limited to, implemented by a microcontroller of model number STM32F 107; the alarm device 13 can be implemented by, but not limited to, a buzzer, an audible and visual alarm, and the like, and is used for giving an alarm to medical staff or patients; the power module 14 may be implemented by, but not limited to, a button cell.

Example 3:

the embodiment is made on the basis of embodiment 2, in this embodiment, the detection sensor 11 is a ring pressure sensor, the fixing plate of the detection sensor 11 is fixedly arranged on the top of the bottom plate 4, and the gasket faces the bottom of the needle seat 2. in this embodiment, the detection sensor can be, but is not limited to, a ring weighing sensor with model numbers of LC8100 and LC8125 series, a miniature ring pressure sensor with model number B112, and the like, the ring pressure sensor is suitable for measuring force in various small spaces, is widely applied to measurement and control in the fields of industry, research and development, and the like, when the ring pressure sensor is installed and used, a stress point is a stress area of an inner wall and a middle part of the wall, the middle part of the sensor is a stress strain area, and a clamp cannot be used for clamping the wall of the sensor.

Example 4:

it should be understood that a pulling force sensor can also be used to detect the falling off of the needle of the infusion set, and this embodiment is made on the basis of embodiment 2, in this embodiment, the detection sensor 11 is a pulling force sensor, the th detection end of the detection sensor 11 is fixedly connected with the needle base 2, and the second detection end of the detection sensor 11 is fixedly connected with the infusion bottle cap 16. in this embodiment, the pulling force sensor is the most common type of sensor in the sensors, and is mainly used to detect the pulling force and pressure between solids, and it can be, but not limited to, a miniature pulling force sensor with models VS16 and FS01, which has a small size and high precision, and is commonly used for switch insertion and extraction force measurement, push-pull dynamometer, tension measurement, actuator force measurement and control, traction force measurement, and the like.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

The anti-needle-drop device for the infusion apparatus is matched with an external infusion apparatus and is installed, the infusion apparatus comprises a needle head (1), a needle head seat (2) and an infusion pipeline (3) which are sequentially connected from top to bottom, and the anti-needle-drop device for the infusion apparatus is characterized by comprising a sleeve, the sleeve comprises a bottom plate (4), a top plate (5) and side plates (6), the top plate (5) and the bottom plate (4) are respectively located at the top and the bottom of the side plates (6), the bottom plate (4) is movably sleeved on the infusion pipeline (3), the inner diameter of a through hole of the bottom plate (4) is smaller than the outer diameter of the needle head seat (2), a placement opening is formed in the top plate (5) in the axial direction, the inner diameter of the placement opening is larger than the outer diameter of an infusion bottle cap, the middle of the top plate (5) is radially formed, the bottom of the placement opening is connected with a sliding block (8) through a spring (7), and.
2. The needle drop prevention device for infusion sets according to claim 1, wherein a pull rod (9) is fixedly arranged at the top of the slider (8), a limiting hole (10) is formed in the top of the top plate (5) in a manner of being matched with the pull rod (9), and the pull rod (9) penetrates through the limiting hole (10).
3. The needle drop prevention device for the infusion apparatus is characterized by further comprising a detection sensor (11), a controller (12), an alarm device (13) and a power module (14), wherein the detection sensor (11) and the alarm device (13) are both electrically connected with the controller (12), the power module (14) is respectively electrically connected with the detection sensor (11), the controller (12) and the alarm device (13), the detection sensor (11) is arranged between the bottom plate (4) and the top plate (5), the detection sensor (11) is used for detecting the downward tensile force of the needle seat (2) and sending a detection signal to the controller (12) in real time, the controller (12) is used for receiving the detection signal and sending an alarm signal to the alarm device (13) when the detection signal reaches a threshold value, the alarm device (13) is used for carrying out alarm action after receiving the alarm signal, and the power module (14) is used for providing electric support for the detection sensor (11), the controller (12) and the alarm device (13).
4. The needle drop prevention device for infusion set according to claim 3, wherein the detection sensor (11) is an annular pressure sensor, a fixing plate of the detection sensor (11) is fixedly arranged on the top of the bottom plate (4), and the gasket faces the bottom of the needle base (2).
5. The needle drop prevention device for infusion set according to claim 3, wherein the detection sensor (11) is a tension sensor, the detection end of the detection sensor (11) is fixedly connected with the needle base (2), and the second detection end of the detection sensor (11) is fixedly connected with the infusion bottle cap.
6. The anti-drop needle device of any one of claims 1 to 5 and , wherein the thickness of the slider (8) on the side of the central axis of the top plate (5) is gradually reduced from top to bottom.