CN216412494U

CN216412494U - Venous transfusion device for nursing teaching

Info

Publication number: CN216412494U
Application number: CN202123154761.7U
Authority: CN
Inventors: 李红; 何婷婷; 关晨阳; 王频
Original assignee: Henan Vocational College of Applied Technology
Current assignee: Henan Vocational College of Applied Technology
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-29
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a venous transfusion device for nursing teaching, and particularly relates to the technical field of medical teaching appliances. The infusion tube and the infusion needle are conveniently connected by utilizing the rotary connection between the internal thread tube and the external thread tube, and the infusion needle and the infusion tube are fixed in position by clamping the clamping rod into the clamping groove.

Description

Venous transfusion device for nursing teaching

Technical Field

The utility model relates to the technical field of medical teaching appliances, in particular to an intravenous infusion apparatus for nursing teaching.

Background

The intravenous infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. Generally, the nursing device is formed by connecting eight parts, namely an intravenous needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle plug puncture outfit, an air filter and the like, wherein a part of transfusion devices also comprise an injection part, a medicine adding port and the like.

The existing venous transfusion device for nursing teaching can cause a large amount of medical appliances to be scrapped after operation practice every time, and when a non-disposable venous transfusion tube is used for operation practice, misoperation can be caused for students who just learn venous transfusion, so that blood backflow and other phenomena are generated in the process of venous transfusion, the transfusion tube is polluted, and cross infection can be caused if only a transfusion needle head is replaced.

SUMMERY OF THE UTILITY MODEL

Therefore, the intravenous infusion set for nursing teaching is provided, the infusion tube and the infusion needle are conveniently connected by utilizing the rotary connection between the internal thread cylinder and the external thread cylinder, and the infusion needle are clamped into the clamping groove through the clamping rod, so that the connection between the infusion needle and the infusion tube is fixed in position, and the problems that in the prior art, the infusion needle cannot be replaced, the whole intravenous infusion set needs to be replaced by each student using the intravenous infusion set during each operation, and the use burden of medical equipment is increased are solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the utility model provides a nursing teaching is with venous transfusion ware, includes venous transfusion ware main part, transfer line and infusion syringe needle, the front end of transfer line is equipped with the fixed plate, the outer end of fixed plate is equipped with an internal thread section of thick bamboo, the inner of an internal thread section of thick bamboo is equipped with an external screw thread section of thick bamboo, the inner of an external screw thread section of thick bamboo is equipped with the connecting cylinder, the upper end of connecting cylinder is equipped with the kelly, the upper end of kelly is equipped with the draw-in groove, the inner of transfer line is equipped with the piston rod, the outer end of piston rod is equipped with the sealing washer.

Further, fixed plate fixed mounting is at the front end surface of transfer line, swing joint between fixed plate and the internal thread section of thick bamboo, swing joint between an internal thread section of thick bamboo and the external screw thread section of thick bamboo, fixed connection between an external screw thread section of thick bamboo and the infusion syringe needle is through being provided with the fixed plate, and the internal thread section of thick bamboo of being convenient for rotates along the fixed plate.

Further, the inner at an external thread section of thick bamboo is installed in the connecting cylinder embedding, fixed connection between connecting cylinder and the kelly, the quantity of kelly sets up to four groups, four groups the kelly is annular array along the inner of connecting cylinder and arranges, inlay card is connected between kelly and the draw-in groove, the draw-in groove embedding is installed at the front end internal surface of transfer line, through being provided with the draw-in groove, be convenient for and inlay card each other between the kelly and be connected.

Furthermore, the piston rod is movably connected in the infusion tube and the infusion needle head, the outer end of the piston rod is fixedly connected with the sealing ring, and the sealing ring is clamped between the infusion tube and the infusion needle head and is convenient for fixing the position of the piston rod by being provided with the sealing ring.

Further, the lower extreme of sealing washer is equipped with the slide, the lower extreme of slide is equipped with the fly leaf, the lower extreme of fly leaf is equipped with the spring, the inner of spring is equipped with the slide bar, the outer end of slide bar is equipped with the spout, through being provided with the slide bar, is convenient for provide the position to the slip of slide and fly leaf and prescribes a limit to.

Further, fixed connection between slide and the piston rod, the quantity of slide sets up to two sets of, two sets of slide is located the central outer surface of piston rod, the lower extreme and the fly leaf of slide contact each other, through being provided with the slide, conveniently pushes down the fly leaf.

Further, fixed connection between fly leaf and the spring, fixed connection between the other end of spring and the lower extreme internal surface of spout, slide bar fixed mounting is in the spout, the spring parcel is in the outer end of slide bar, through being provided with the spring, conveniently drives the fly leaf and reciprocates along the slide bar.

The embodiment of the utility model has the following advantages:

1. the infusion tube is connected with the infusion needle through the fixing plate, the internal thread tube, the connecting tube, the external thread tube, the clamping rod and the clamping groove in a rotating mode, the infusion tube and the infusion needle are connected conveniently, the clamping rod is clamped into the clamping groove, the infusion needle can be reduced to rotate at the outer end of the fixing plate along the internal thread tube, the fact that each student uses an independent needle to be connected with a shared infusion tube can be achieved, exercise of nursing teaching contents can be conducted, after an experiment is finished, only the infusion needle needs to be disinfected and cleaned, the infusion needle is single-used by a single person, the use of teaching medical appliances is improved, and waste is reduced.

2. The movable plate is driven to move upwards to move the sliding plate when the infusion tube is separated from the infusion needle head by utilizing the compression of the spring when the piston rod is pressed into the infusion tube and the infusion needle head through the arrangement of the sliding groove, the sliding plate, the piston rod, the sealing ring, the movable plate, the sliding rod and the spring, so that the piston rod can be conveniently removed.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is an enlarged schematic view of the infusion needle according to the present invention;

FIG. 3 is a side cross-sectional view of a connecting cylinder provided by the present invention;

FIG. 4 is an enlarged schematic view of A of FIG. 3 according to the present invention;

FIG. 5 is a side cross-sectional view of a chute provided by the present invention;

FIG. 6 is an enlarged schematic view of B of FIG. 5 according to the present invention;

in the figure: 1. a venous infusion set body; 2. a transfusion tube; 3. a transfusion needle head; 4. a fixing plate; 5. an internal threaded barrel; 6. a piston rod; 7. a connecting cylinder; 8. an externally threaded barrel; 9. a clamping rod; 10. a card slot; 11. a seal ring; 12. a chute; 13. a slide plate; 14. a movable plate; 15. a slide bar; 16. a spring.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.

Referring to the attached drawings 1-4 of the specification, the intravenous infusion apparatus for nursing teaching in the embodiment comprises an intravenous infusion apparatus main body 1, an infusion tube 2 and an infusion needle 3, wherein a fixing plate 4 is arranged at the front end of the infusion tube 2, the fixing plate 4 is fixedly arranged on the outer surface of the front end of the infusion tube 2, an internal thread cylinder 5 is arranged at the outer end of the fixing plate 4, the fixing plate 4 is movably connected with the internal thread cylinder 5, an external thread cylinder 8 is arranged at the inner end of the internal thread cylinder 5, the external thread cylinder 8 is fixedly connected with the infusion needle 3, the internal thread cylinder 5 is movably connected with the external thread cylinder 8, a connecting cylinder 7 is arranged at the inner end of the external thread cylinder 8, the connecting cylinder 7 is embedded in the inner end of the external thread cylinder 8, clamping rods 9 are arranged at the upper end of the connecting cylinder 7, the connecting cylinder 7 is fixedly connected with the clamping rods 9, and the clamping rods 9 are arranged into four groups, four groups the kelly 9 is annular array along the inner of connecting cylinder 7 and arranges, the upper end of kelly 9 is equipped with draw-in groove 10, the inlay card is connected between kelly 9 and the draw-in groove 10, draw-in groove 10 embedding is installed at the front end internal surface of transfer line 2, and the card that is convenient for kelly 9 through being provided with draw-in groove 10 is gone into to convenient infusion syringe needle 3 prevents along the rotation of internal thread section of thick bamboo 5 in the outer end of fixed plate 4 when fixed to transfer line 2 and infusion syringe needle 3.

The implementation scenario is specifically as follows: when the infusion device is used, the infusion needle 3 can be conveniently detached and installed when teaching is needed, the infusion needle 3 and the outer end of the infusion tube 2 are movably connected through the fixing plate 4, the internal thread tube 5 and the external thread tube 8 are connected with each other at the outer end of the infusion needle 3, the clamping rod 9 in the connecting tube 7 in the external thread tube 8 at the upper end of the infusion needle 3 is connected with the clamping groove 10 in the infusion tube 2, and therefore angular rotation between the infusion tube 2 and the infusion needle 3 is reduced.

Referring to the attached drawings 5-6 of the specification, in the intravenous infusion apparatus for nursing and teaching of the embodiment, a piston rod 6 is arranged at the inner end of an infusion tube 2, the piston rod 6 is movably connected in the infusion tube 2 and an infusion needle 3, a sealing ring 11 is arranged at the outer end of the piston rod 6, the outer end of the piston rod 6 is fixedly connected with the sealing ring 11, the sealing ring 11 is embedded between the infusion tube 2 and the infusion needle 3, the piston rod 6 is conveniently positioned by arranging the sealing ring 11, a sliding plate 13 is arranged at the lower end of the sealing ring 11, the sliding plate 13 is fixedly connected with the piston rod 6, the number of the sliding plates 13 is two, the two groups of the sliding plates 13 are positioned on the central outer surface of the piston rod 6, a movable plate 14 is arranged at the lower end of the sliding plate 13, the lower end of the sliding plate 13 is in mutual contact with the movable plate 14, and a spring 16 is arranged at the lower end of the movable plate 14, fixed connection between fly leaf 14 and the spring 16, the inner of spring 16 is equipped with slide bar 15, the outer end of slide bar 15 is equipped with spout 12, fixed connection between the other end of spring 16 and the lower extreme internal surface of spout 12, slide bar 15 fixed mounting is in spout 12, spring 16 parcel is in the outer end of slide bar 15, through being provided with spring 16, can be convenient take out piston rod 6.

The implementation scenario is specifically as follows: when the utility model is used, when the operation is required after the infusion tube 2 and the infusion needle 3 are assembled, in the nursing teaching process, in order to prevent the liquid flow between the infusion tube 2 and the infusion needle 3 in the exercise process, so that the infusion tube 2 needs to be replaced, the connection part of the infusion tube 2 and the infusion needle 3 is sealed by the sealing ring 11 and the connection part of the infusion tube 2 and the infusion needle 3 by adding the piston rod 6 between the infusion tube 2 and the infusion needle 3, so that the position stability of the piston rod 6 is ensured, the piston rod 6 slides up and down on the sliding rod 15 along the sliding groove 12 in the infusion needle 3 through the sliding plate 13, so that the sliding plate 13 is in contact with the movable plate 14, and the spring 16 is compressed, so that the piston rod 6 can be conveniently taken out when the infusion needle 3 and the infusion tube 2 are separated, and the embodiment particularly solves the problems that in the prior art, in order to prevent the operation in general connection, when the students operate the intravenous injection, the blood in the vein flows into the transfusion tube 2, which is easy to cause cross infection and increases the using amount of the transfusion tube 2.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a nursing teaching is with venous transfusion ware, includes venous transfusion ware main part (1), transfer line (2) and infusion syringe needle (3), its characterized in that: the front end of transfer line (2) is equipped with fixed plate (4), the outer end of fixed plate (4) is equipped with an internal thread section of thick bamboo (5), the inner of an internal thread section of thick bamboo (5) is equipped with an external screw thread section of thick bamboo (8), the inner of an external screw thread section of thick bamboo (8) is equipped with connecting cylinder (7), the upper end of connecting cylinder (7) is equipped with kelly (9), the upper end of kelly (9) is equipped with draw-in groove (10), the inner of transfer line (2) is equipped with piston rod (6), the outer end of piston rod (6) is equipped with sealing washer (11).

2. The intravenous infusion set for nursing teaching according to claim 1, characterized in that: fixed plate (4) fixed mounting is in the front end surface of transfer line (2), swing joint between fixed plate (4) and an internal thread section of thick bamboo (5), swing joint between an internal thread section of thick bamboo (5) and an external screw thread section of thick bamboo (8), fixed connection between an external screw thread section of thick bamboo (8) and infusion syringe needle (3).

3. The intravenous infusion set for nursing teaching according to claim 1, characterized in that: connecting cylinder (7) embedding is installed in the inner of an external screw thread section of thick bamboo (8), fixed connection between connecting cylinder (7) and kelly (9), the quantity of kelly (9) sets up to four groups, four groups kelly (9) are the annular array along the inner of connecting cylinder (7) and arrange, the inlay card is connected between kelly (9) and draw-in groove (10), the front end internal surface at transfer line (2) is installed in draw-in groove (10) embedding.

4. The intravenous infusion set for nursing teaching according to claim 1, characterized in that: the infusion set is characterized in that the piston rod (6) is movably connected in the infusion tube (2) and the infusion needle (3), the outer end of the piston rod (6) is fixedly connected with the sealing ring (11), and the sealing ring (11) is embedded between the infusion tube (2) and the infusion needle (3).

5. The intravenous infusion set for nursing teaching according to claim 1, characterized in that: the lower extreme of sealing washer (11) is equipped with slide (13), the lower extreme of slide (13) is equipped with fly leaf (14), the lower extreme of fly leaf (14) is equipped with spring (16), the inner of spring (16) is equipped with slide bar (15), the outer end of slide bar (15) is equipped with spout (12).

6. The intravenous infusion set for nursing teaching according to claim 5, characterized in that: the sliding plates (13) are fixedly connected with the piston rod (6), the number of the sliding plates (13) is two, the two groups of the sliding plates (13) are positioned on the outer surface of the center of the piston rod (6), and the lower ends of the sliding plates (13) are in contact with the movable plates (14).

7. The intravenous infusion set for nursing teaching according to claim 5, characterized in that: the movable plate (14) is fixedly connected with the spring (16), the other end of the spring (16) is fixedly connected with the inner surface of the lower end of the sliding groove (12), the sliding rod (15) is fixedly installed in the sliding groove (12), and the spring (16) is wrapped at the outer end of the sliding rod (15).