CN219090584U

CN219090584U - Anti-drop, prevent that gas gets into two infusion apparatus puncture outfits that prevent

Info

Publication number: CN219090584U
Application number: CN202223093323.9U
Authority: CN
Inventors: 孙克桂; 周伟伟
Original assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Current assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-30
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the field of medical appliances and discloses an anti-falling and anti-gas-entering dual-purpose infusion apparatus puncture outfit, which comprises an inserting part, a base and a connecting part, wherein the top of the base is fixedly connected with the inserting part for inserting an infusion bottle, the bottom of the base is fixedly connected with the connecting part for connecting an infusion tube, the bottom end of the connecting part is connected with a drip cup through an infusion hose, the connecting top end of the drip cup and the infusion hose is provided with an air stop valve, the base is provided with a ventilation head, the inserting part is provided with an anti-falling mechanism, and the needle head is matched with the upper part of a rubber plug in the infusion bottle through the anti-falling mechanism after the inserting part is inserted into the infusion bottle, so that the effect of difficult falling is achieved, serious consequences caused by accidental falling of the needle head are avoided, the air stop valve on the drip cup can prevent air from entering a patient body after the infusion is finished, and safety accidents are avoided.

Description

Anti-drop, prevent that gas gets into two infusion apparatus puncture outfits that prevent

Technical Field

The utility model relates to the field of medical appliances, in particular to a puncture outfit of a dual-prevention infusion apparatus, which prevents falling and gas from entering.

Background

Infusion is a large-dose injection infused into the body by intravenous drip, is usually packaged in a glass or plastic infusion bottle or bag, does not contain preservative or bacteriostat, and continuously and stably enters the vein by adjusting the dropping speed through an infusion apparatus when in use so as to supplement body fluid, electrolyte or provide nutrient substances. The development of intravenous transfusion technology has undergone a wave break of nearly 500 years, and a complete system is gradually formed in the 20 th century, so that the intravenous transfusion technology becomes one of the most commonly used and most direct effective clinical treatment means. In the infusion process, an unconscious patient or a child sometimes drags the infusion set, or an attendant can carelessly step on the infusion tube, and the needle at the front end of the infusion set is smooth and easily falls off, so that medicines or blood is wasted, the environment is polluted or serious medical accidents are caused, and therefore, the dual-prevention infusion set puncture outfit capable of preventing falling and gas from entering is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a puncture outfit of a dual-prevention infusion apparatus for preventing falling and gas from entering, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-drop, prevent that gas gets into two infusion apparatus puncture outfits that prevent, includes grafting portion, base and connecting portion, the top fixedly connected with of base is used for grafting the grafting portion of infusion bottle, the bottom fixedly connected with of base is used for connecting the connecting portion of transfer line, the bottom of connecting portion is connected with drip cup through the infusion hose, drip cup and infusion hose connection top are provided with the air valve, be provided with the ventilation head on the base, be provided with anti-drop mechanism in the grafting portion.

Preferably, the anti-drop mechanism comprises an arc-shaped bulge, a limiting block, a floating ball and a circular through hole, a liquid through shelf is fixedly arranged on the inner wall, close to the low end, of the plugging portion, the floating ball is placed on the liquid through shelf, the diameter of the floating ball is smaller than the inner diameter of the plugging portion, the circular through hole is formed in the position, close to the top end, of the outer wall of the side face of the plugging portion, the integrated arc-shaped bulge is arranged at the position, corresponding to the circular through hole, of the inner wall of the side face of the plugging portion, an integrated limiting block is arranged above the corresponding circular through hole in the inner wall of the side face of the plugging portion, and an interval exists between the arc-shaped bulge and the limiting block, and the limiting block is flush with the top end of the arc-shaped bulge.

Preferably, the interval distance between the arc-shaped bulge and the circular through hole is smaller than the diameter of the floating ball, the circular through hole is formed into an inner large shape and an outer small shape which are matched with the outer wall of the floating ball, and the inner diameter and the outer diameter of the circular through hole are both smaller than the diameter of the floating ball.

Preferably, the liquid through shelf is provided with a plurality of groups of fan-shaped through holes.

Preferably, the anti-drop mechanism includes elastic strip, removal sleeve and screw thread knob, the below that grafting portion corresponds top tip end sets up to the cylindric that the diameter diminishes, the screw thread has cup jointed screw thread knob on the side outer wall that grafting portion is close to the bottom, and screw thread knob's bottom and base laminating, screw thread knob's top rotates and is connected with and cup joints and remove the sleeve on grafting portion, remove the elastic strip that fixedly connected with multiunit equidistance distributes between telescopic annular top terminal surface and the grafting portion tip end bottom terminal surface.

Preferably, the elastic strips are attached to the outer wall of the side face of the plug-in portion, and the diameter of the movable sleeve and the diameter of the annular shape surrounded by the plurality of groups of elastic strips are the same as the diameter of the bottom end of the pointed end of the plug-in portion.

(III) beneficial effects

Compared with the prior art, the utility model provides the infusion set puncture outfit for preventing falling and gas from entering, which has the following beneficial effects:

1. this anti-drop, prevent that gas gets into two infusion apparatus puncture outfits that prevent, when anti-drop mechanism is arc protruding, the stopper, floater and circular through-hole, after grafting portion in this syringe needle inserts the infusion bottle, can be full of the liquid medicine in the grafting portion, the floater on the logical liquid shelf can upwards float this moment, when touching arc protruding, and because the interval distance between arc protruding and the circular through-hole is less than the diameter of floater, the floater can float to the slope this moment and have a part to bulge outside through circular through-hole, circular through-hole top stopper also can advance spacingly to the floater simultaneously, prevent that the floater from continuing upwards floating, this syringe needle passes circular through the convex part of through-hole through the floater this moment and props up the syringe needle from the infusion bottle inside, thereby reach the difficult effect that breaks away from of this syringe needle, and the air stop valve that sets up on the drip pot can prevent that air from getting into patient's health from causing the incident after the infusion.

2. This anti-drop, prevent that gaseous entering is two prevent with transfusion system puncture ware, when anti-drop mechanism is elastic strip, remove sleeve and screw knob, insert the infusion bottle with this syringe needle after through grafting portion, and make the whole part of elastic strip and remove sleeve's half and prick the rubber piston top, then rotatory screw knob of grafting portion bottom makes it drive and removes the sleeve and upwards remove, thereby make the elastic strip receive extrusion deformation, make the outside bulge in multiple groups elastic strip middle part crooked, form the skeleton of lantern form, through laminating each other with infusion bottle inside rubber piston top and support, thereby reach the difficult effect that drops of this syringe needle.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a mating portion of the present utility model;

FIG. 3 is a schematic view of the structure of the anti-falling mechanism of the present utility model;

FIG. 4 is a schematic view of deformation of an elastic strip according to the present utility model.

In the figure: 1. a plug-in part; 2. a base; 3. a connection part; 4. an anti-falling mechanism; 5. a ventilation head; 6. arc-shaped protrusions; 7. a limiting block; 8. a floating ball; 9. a circular through hole; 10. a liquid-passing shelf; 11. an elastic strip; 12. moving the sleeve; 13. a threaded knob; 14. moving the sleeve; 15. an air stop valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an anti-drop and anti-gas-entering dual-prevention infusion apparatus puncture outfit comprises a plug-in connection part 1, a base 2 and a connection part 3, wherein the top of the base 2 is fixedly connected with the plug-in connection part 1 for plugging in an infusion bottle, the bottom of the base 2 is fixedly connected with the connection part 3 for connecting an infusion tube, the bottom end of the connection part 3 is connected with a drip cup 14 through an infusion hose, the top end of the drip cup 14 connected with the infusion hose is provided with a gas stop valve 15, the gas stop valve 15 arranged on the drip cup 14 can prevent air from entering, safety accidents caused by air entering a patient body after infusion is finished are avoided, the base 2 is provided with a ventilation head 5, and the plug-in connection part 1 is provided with an anti-drop mechanism 4.

Example 1

The anti-falling mechanism 4 comprises an arc-shaped bulge 6, a limiting block 7, a floating ball 8 and a circular through hole 9, wherein a liquid through shelf 10 is fixedly arranged on the inner wall, close to the lower end, of the plugging portion 1, the floating ball 8 is placed on the liquid through shelf 10, the diameter of the floating ball 8 is smaller than the inner diameter of the plugging portion 1, the circular through hole 9 is formed in the position, close to the top end, of the outer wall of the side face of the plugging portion 1, the integrated arc-shaped bulge 6 is arranged at the position, corresponding to the circular through hole 9, of the inner wall of the side face of the plugging portion 1, the integrated limiting block 7 is arranged above the circular through hole 9, an interval exists between the arc-shaped bulge 6 and the limiting block 7, smooth circulation of liquid medicine is guaranteed, the limiting block 7 is flush with the top end of the arc-shaped bulge 6, and the floating ball 8 can be limited to float upwards after floating to the circular through hole 9.

The interval distance between the arc-shaped bulge 6 and the circular through hole 9 is smaller than the diameter of the floating ball 8, the circular through hole 9 is formed into an inner large and outer small shape which is matched with the outer wall of the floating ball 8, and the inner diameter and the outer diameter of the circular through hole 9 are both smaller than the diameter of the floating ball 8.

A plurality of groups of fan-shaped through holes are formed on the liquid passing shelf 10, so that smooth circulation of liquid medicine is ensured.

Working principle: when the anti-falling mechanism 4 is an arc-shaped bulge 6, a limiting block 7, a floating ball 8 and a circular through hole 9, after the plug-in part 1 in the needle is inserted into the infusion bottle, the plug-in part 1 is filled with liquid medicine, the floating ball 8 on the liquid through shelf 10 floats upwards at the moment, when the arc-shaped bulge 6 is touched, and because the interval distance between the arc-shaped bulge 6 and the circular through hole 9 is smaller than the diameter of the floating ball 8, the floating ball 8 floats obliquely and has a part protruding outwards through the circular through hole 9, meanwhile, the limiting block 7 above the circular through hole 9 also limits the floating ball 8 to prevent the floating ball 8 from continuously floating upwards, and the needle is supported from the interior of the infusion bottle through the protruding part of the floating ball 8, so that the needle is not easy to separate;

example two

The anti-drop mechanism 4 includes elastic strip 11, remove sleeve 12 and screw knob 13, the below that grafting portion 1 corresponds the top tip end sets up to the cylindric that the diameter diminishes, screw knob 13 has been cup jointed to the screw on the side outer wall that grafting portion 1 is close to the bottom, and screw knob 13's bottom and base 2 laminating, screw knob 13's top rotates and is connected with cup joints and remove sleeve 12 on grafting portion 1, remove fixedly connected with multiunit equidistant elastic strip 11 that distributes between the annular top terminal surface of sleeve 12 and the grafting portion 1 tip end bottom terminal surface, need prick the rubber stopper top with the whole part of elastic strip 11 and the half part of removing sleeve 12 when grafting, multiunit elastic strip can bend deformation when receiving the extrusion force.

The elastic strips 11 are attached to the outer side walls of the side surfaces of the plug-in part 1, the diameter of the movable sleeve 12 and the diameter of the annular shape surrounded by the plurality of groups of elastic strips 11 are the same as the diameter of the bottom end of the pointed end of the plug-in part 1, and the overall flatness of the outer wall of the needle plug-in part 1 is ensured, so that the plug-in part 1 can be smoothly inserted into an infusion bottle.

Working principle: when the anti-falling mechanism 4 is the elastic strip 11, the movable sleeve 12 and the threaded knob 13, after the needle is inserted into the infusion bottle through the plug-in part 1, the whole part of the elastic strip 11 and the half part of the movable sleeve 12 are pricked into the upper part of the rubber plug, then the threaded knob 13 at the bottom end of the plug-in part 1 is rotated to drive the movable sleeve 12 to move upwards, so that the elastic strip 11 is extruded and deformed, the middle parts of a plurality of groups of elastic strips 11 are outwards convexly bent to form a framework similar to a lantern shape, and the needle is mutually attached and propped against the upper part of the rubber plug inside the infusion bottle, so that the effect that the needle is not easy to fall is achieved.

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

Claims

1. The utility model provides an anti-drop, prevent that gas gets into two infusion apparatus puncture outfits that prevent, includes grafting portion (1), base (2) and connecting portion (3), the top fixedly connected with of base (2) is used for grafting portion (1) of infusion bottle, the bottom fixedly connected with of base (2) is used for connecting portion (3) of transfer line, the bottom of connecting portion (3) is connected with drip cup (14) through infusion hose, drip cup (14) are provided with air stop valve (15) with infusion hose connection top, be provided with on base (2) and breathe in first (5), its characterized in that: an anti-falling mechanism (4) is arranged in the plug-in part (1).

2. The anti-drop, anti-gas entry dual-purpose infusion set spike of claim 1 wherein: anti-drop mechanism (4) include arc protruding (6), stopper (7), floater (8) and circular through-hole (9), fixed mounting has logical liquid shelf (10) on the inner wall that grafting portion (1) is close to the low end, logical liquid shelf (10) are last to have placed floater (8), and the diameter of floater (8) is less than the internal diameter of grafting portion (1), circular through-hole (9) have been seted up to the position that is close to the top on grafting portion (1) side outer wall, be provided with integration arc protruding (6) on grafting portion (1) side inner wall correspondence and the position of circular through-hole (9) symmetry, the top that corresponds circular through-hole (9) on grafting portion (1) side inner wall is provided with integration stopper (7), there is interval between arc protruding (6) and stopper (7) flush with the top of arc protruding (6).

3. The anti-drop, anti-gas entry dual-purpose infusion set spike of claim 2 wherein: the interval distance between the arc-shaped bulge (6) and the circular through hole (9) is smaller than the diameter of the floating ball (8), the circular through hole (9) is formed into an inner large shape and an outer small shape which are matched with the outer wall of the floating ball (8), and the inner diameter and the outer diameter of the circular through hole (9) are both smaller than the diameter of the floating ball (8).

4. The anti-drop, anti-gas entry dual-purpose infusion set spike of claim 2 wherein: a plurality of groups of fan-shaped through holes are formed in the liquid passing shelf (10).

5. The anti-drop, anti-gas entry dual-purpose infusion set spike of claim 1 wherein: the anti-drop mechanism (4) comprises an elastic strip (11), a movable sleeve (12) and a threaded knob (13), the lower part of the tip end of the top of the plug-in part (1) is arranged to be cylindrical with a reduced diameter, the threaded knob (13) is sleeved on the outer wall of the side face of the plug-in part (1) close to the bottom, the bottom of the threaded knob (13) is attached to the base (2), the top of the threaded knob (13) is rotationally connected with the movable sleeve (12) sleeved on the plug-in part (1), and a plurality of groups of elastic strips (11) distributed at equal intervals are fixedly connected between the annular top end face of the movable sleeve (12) and the bottom end face of the tip end of the plug-in part (1).

6. The anti-drop, anti-gas entry dual-purpose infusion set spike of claim 5 wherein: the elastic strips (11) are attached to the outer side walls of the sides of the plug-in connection parts (1), and the diameter of the movable sleeve (12) and the diameter of the annular shape surrounded by the plurality of groups of elastic strips (11) are the same as the diameter of the bottom end of the tip end of the plug-in connection parts (1).