CN215780549U

CN215780549U - Infusion set safety assembly

Info

Publication number: CN215780549U
Application number: CN202122395412.8U
Authority: CN
Inventors: 朱颖菲; 董巧亮; 张聿炜
Original assignee: Second Xiangya Hospital of Central South University
Current assignee: Second Xiangya Hospital of Central South University
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-11
Anticipated expiration: 2031-09-30

Abstract

The utility model provides an infusion set safety assembly which comprises an infusion set main body, an infusion bottle, a threaded sleeve, a transparent time sticker and a liquid medicine needle anti-falling clamp, wherein the infusion set main body is provided with the infusion bottle; the infusion apparatus safety assembly is characterized in that a needle wing clamping clamp and a bottle cap clamping clamp which are arranged on a liquid medicine needle anti-falling clamp are respectively clamped at a needle wing and a bottle cap, so that the connection between an infusion bottle and an infusion apparatus is more stable, the liquid medicine needle is not easy to separate from the infusion bottle under the action of external force, and the distance between the needle wing clamping clamp and the bottle cap clamping clamp can be adjusted through the arrangement of a threaded rod and an adjusting nut, so that the infusion apparatus safety assembly is suitable for infusion bottles and infusion apparatuses with different specifications; the provided thread sleeve with elasticity can be sleeved outside a section of infusion tube, so that the section of infusion tube can be lengthened and shortened in a self-adaptive manner; meanwhile, the drip cup is provided with a transparent time sticker which can be pasted on the drip cup, so that the time for replacing the infusion apparatus or the time for starting using the infusion apparatus is written, and a nurse is reminded to replace the infusion apparatus in time.

Description

Infusion set safety assembly

The technical field is as follows:

the utility model relates to the technical field of auxiliary appliances of infusion sets, in particular to an infusion set safety assembly.

Background art:

infusion refers to the injection of liquid drops into a vein or artery by an infusion apparatus, the infusion apparatus is an indispensable medical appliance for infusion, and an infusion tube in the infusion apparatus is used for establishing a channel between an infusion bottle and a blood vessel of a patient; in the process of infusion, a patient often carelessly pulls an infusion tube (particularly for restless patients or children), even one end of the infusion tube inserted into the infusion bottle is pulled out of the infusion bottle, so that a needle head of the infusion tube inserted into the infusion bottle is polluted, and a set of new disposable infusion set must be replaced to meet the aseptic operation principle, so that the economic burden of the patient is increased, and the workload of medical staff is increased; one reason that the infusion tube is easy to tear off is because the needle is inserted into the infusion bottle vertically and has no fixing device; secondly, the length of the infusion pipeline is fixed, so that the movement of a patient is limited, the patient easily pulls off the infusion apparatus when turning over or accidentally waving his hand, the remaining needle which is punctured is easily damaged, and the pain of the patient in re-puncturing is increased; in actual clinical work, the conventional treatment method is to additionally add one to two sections of extension tubes to prolong the length of the infusion apparatus, the extension tubes which are commonly used clinically are long and thin in pipeline, high-concentration macromolecular substances are not easy to pass through, so that normal infusion speed is affected, even the tubes are blocked, such as fat milk and blood, and secondly, the extension tubes belong to non-chargeable items according to national control of hospital consumables, so that the clinical use of the extension tubes is limited, and the input cost of clinical departments is increased; if an infusion apparatus with a long enough infusion tube is selected, the long infusion tube is very easy to be stumbled and pulled by the outside in the using process, so that the infusion tube is easy to drop or damage the well-punctured remaining needle.

The utility model has the following contents:

the utility model aims to solve the problems and provides an infusion set safety assembly which can prevent one end of an infusion tube inserted into an infusion bottle from being separated from the infusion bottle, can adaptively elongate and shorten the infusion tube, can remind a nurse to replace the infusion set in time through a mark, and further ensures the infusion safety.

The utility model adopts the following technical scheme to realize the purposes of the utility model: an infusion set safety assembly comprises an infusion set main body, an infusion bottle and a liquid medicine needle anti-falling clamp; the infusion apparatus main body comprises an infusion tube, a liquid medicine needle, a needle wing, a drip cup, a flow regulating switch and an injection needle; the liquid medicine needle and the injection needle are respectively and fixedly arranged at the two ends of the infusion tube; the rear end of the liquid medicine needle is provided with a needle wing; the drip cup and the flow regulating switch are respectively arranged on the infusion tube; the bottom of the infusion bottle is provided with a bottle neck and a bottle cap; the liquid medicine needle anti-drop presss from both sides including needle wing joint clamp, bottle lid joint clamp and connects the connecting portion that needle wing joint clamp and bottle lid joint clamp pressed from both sides, needle wing joint clamp matches the joint with the needle wing, bottle lid joint clamp matches the joint with the bottle lid, connecting portion restriction needle wing joint clamp presss from both sides relative motion with bottle lid joint clamp.

Furthermore, the needle wing clamping clamp is integrally square and elastic, and comprises a first clamping groove, a first clamping inlet and an arc-shaped first clamping groove; the first clamping groove is formed in the middle of the needle wing clamping clamp, one end of the first clamping groove extends out of the edge of the needle wing clamping clamp, and one end of the first clamping groove, which extends out of the needle wing clamping clamp, is a first clamping inlet; the two arc-shaped first clamping grooves are symmetrically arranged in the middle of the first clamping groove; the inner diameter of the first clamping groove is smaller than the outer diameter of the needle wing.

Furthermore, the bottle cap clamping clamp is integrally square and elastic, and comprises a second clamping groove, a second clamping inlet and an arc-shaped second clamping groove; the second clamping groove is formed in the middle of the bottle cap clamping clamp, one end of the second clamping groove extends out of the edge of the bottle cap clamping clamp, and the end, extending out of the bottle cap clamping clamp, of the second clamping groove is a second clamping inlet; the two arc-shaped second clamping grooves are symmetrically arranged in the middle of the second clamping groove; the inner diameter of the second clamping groove is smaller than the outer diameter of the bottle cap.

Preferably, the width of the outer sides of the first clamping entrance and the second clamping entrance is larger than that of the inner sides of the first clamping entrance and the second clamping entrance.

Furthermore, connecting portion are the connecting rod of fixed connection between needle wing joint clamp and bottle lid joint clamp.

Furthermore, the connecting part comprises a threaded rod and an adjusting nut, and a threaded rod channel passing hole is formed in the bottle cap clamping clamp; one end of the threaded rod is fixedly connected to the top surface of the pin fin clamping clamp, and the other end of the threaded rod penetrates through the bottle cap clamping clamp from the threaded rod passage hole; the adjusting nut is screwed on the threaded rod through threads and is positioned at the top of the bottle cap clamping clamp.

Preferably, connecting portion still include the spring, and the spring cup joints between needle wing joint clamp and bottle lid joint clamp the threaded rod outside, the spring top with the bottom respectively with bottle lid joint clamp, needle wing joint clamp contact.

Furthermore, a transparent time sticker capable of being stuck on the drip cup is arranged on the drip cup; the transparent time sticker can mark or write the time for using the infusion set or the time for replacing the infusion set.

Furthermore, the infusion set safety assembly also comprises a threaded sleeve, the threaded sleeve is integrally in a hollow spiral spring shape, and the threaded sleeve is integrally elastic; the threaded sleeve comprises a transfusion tube accommodating hole and a transfusion tube mounting open slot, the transfusion tube accommodating hole is an internal hollow part of the threaded sleeve, the transfusion tube mounting open slot is arranged on the tube wall of the threaded sleeve, and the transfusion tube mounting open slot is parallel to the transfusion tube accommodating hole; the threaded sleeve is sleeved outside the infusion tube close to one end of the injection needle.

By adopting the technical scheme, the novel practical purpose of the infusion apparatus is better realized, the infusion apparatus safety assembly is clamped and clamped at the needle wing and the bottle cap through the needle wing clamping clamp and the bottle cap clamping clamp which are arranged on the liquid medicine needle anti-falling clamp respectively, so that the connection between the infusion apparatus and the infusion apparatus is more stable, the liquid medicine needle is not easy to separate from the infusion apparatus under the action of external force, and meanwhile, the distance between the needle wing clamping clamp and the bottle cap clamping clamp is adjustable through the arrangement of the threaded rod and the adjusting nut, so that the infusion apparatus safety assembly is suitable for infusion apparatuses and infusion apparatus with different specifications; the provided thread sleeve with elasticity can be sleeved outside a section of infusion tube, so that the section of infusion tube can be lengthened and shortened in a self-adaptive manner; meanwhile, the drip cup is provided with a transparent time sticker which can be pasted on the drip cup, so that the time for replacing the infusion apparatus or the time for starting using the infusion apparatus is written, and a nurse is reminded to replace the infusion apparatus in time.

Description of the drawings:

fig. 1 is a plan view schematically showing the overall structure of the present invention.

FIG. 2 is a schematic structural view of the anti-drop clip 7 for the liquid medicine needle of the present invention.

Fig. 3 is a schematic view of the structure of the needle clip 71 and the position of the threaded rod 72 mounted on the needle clip 71.

Figure 4 is a schematic view of the construction of the bottle cap snap clamp 73 of the present invention.

Fig. 5 is a schematic view of the structure of the threaded bushing 8 according to the utility model.

Fig. 6 is an enlarged schematic view of a portion a of fig. 5 according to the present invention.

The reference numerals are illustrated in the following table.

Number of mark	Name of label	Number of mark	Name of label
				1	Infusion tube 1	73	Bottle cap clamping clip 73
2	Liquid medicine injection 2	731	Second engaging groove 731
				3	Needle wing 3	732	Second card entrance 732
4	Drip cup 4	733	Second clamping groove 733
				41	Time paster 41	734	Threaded rod passage hole 734
5	Flow regulating switch 5	74	Adjusting nut 74
				6	Injection needle 6	75	Spring 75
7	Drop-proof clamp 7 for liquid medicine needle	8	Threaded bushing 8
				71	Needle wing clamping clip 71	81	Infusion tube accommodating hole 81
711	First clip groove 711	82	Infusion tube mounting open slot 82
				712	First card entrance 712	9	Transfusion bottle 9
713	First clamping groove 713	91	Bottle neck 91
				72	Threaded rod 72	92	Bottle cap 92

The specific implementation mode is as follows:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts, and the contents of the utility model will be further described below with reference to the drawings:

example 1:

referring to the attached figures 1 and 2 of the specification, the infusion set safety assembly comprises an infusion set main body, an infusion bottle 9 and a liquid medicine needle anti-falling clamp 7; the infusion apparatus main body comprises an infusion tube 1, a liquid medicine needle 2, a needle wing 3, a drip cup 4, a flow regulating switch 5 and an injection needle 6; the liquid medicine needle 2 and the injection needle 6 are respectively and fixedly arranged at the two ends of the infusion tube 1; the rear end of the liquid medicine needle 2 is provided with a needle wing; the drip cup 4 and the flow regulating switch 5 are respectively arranged on the transfusion tube 1; the bottom of the infusion bottle 9 is provided with a bottleneck 91 and a bottle cap 92, and the front end of the liquid medicine needle 2 punctures the bottle cap 92 and enters the infusion bottle 9; the liquid medicine needle anti-drop presss from both sides 7 and includes that needle wing joint presss from both sides 71, bottle lid joint and presss from both sides 73 and connect the connecting portion that needle wing joint pressed from both sides 71 and bottle lid joint pressed from both sides 73, needle wing joint presss from both sides 71 and matches the joint with the needle wing 3, bottle lid joint presss from both sides 73 and matches the joint with bottle lid 92, connecting portion restriction needle wing joint presss from both sides 71 and bottle lid joint and presss from both sides 73 relative motion.

In one embodiment, referring to fig. 3, the needle wing clip 71 is square and elastic as a whole, and the needle wing clip 71 includes a first clip groove 711, a first clip inlet 712 and an arc-shaped first clip groove 713; the first clamping groove 711 is arranged in the middle of the needle wing clamping clamp 71, one end of the first clamping groove 711 extends out of the edge of the needle wing clamping clamp 71, and one end of the first clamping groove 711 extending out of the needle wing clamping clamp 71 is a first clamping inlet 712; the two arc-shaped first clamping grooves 713 are symmetrically arranged in the middle of the first clamping groove 711; the inner diameter of the first catching groove 713 is smaller than the outer diameter of the needle wing 3.

The method for clamping the needle wing 3 by the needle wing clamping clamp 71 comprises the following steps: the infusion tube 1 at the lower end of the needle wing 3 enters the first clamping groove 713 through the first clamping inlet 712, so that the infusion tube 1 is perpendicular to the needle wing clamping clamp 71, the bottom surface of the needle wing 3 is contacted with the top surface of the needle wing clamping clamp 71, and the needle wing 3 cannot pass through the first clamping groove 713 because the inner diameter of the first clamping groove 713 is smaller than the outer diameter of the needle wing 3, so that the clamping of the needle wing clamping clamp 71 and the needle wing 3 is realized.

In one embodiment, referring to fig. 4, the bottle cap clamping clip 73 is square and elastic, and the bottle cap clamping clip 73 includes a second clamping groove 731, a second clamping inlet 732, and an arc-shaped second clamping groove 733; the second clamping groove 731 is formed in the middle of the bottle cap clamping clamp 73, one end of the second clamping groove 731 extends out of the edge of the bottle cap clamping clamp 73, and the end, extending out of the bottle cap clamping clamp 73, of the second clamping groove 731 is a second clamping inlet 732; the two arc-shaped second clamping grooves 733 are symmetrically arranged in the middle of the second clamping groove 731; the inner diameter of the second clamping groove 733 is smaller than the outer diameter of the bottle cap 92.

The method for clamping bottle cap 92 by bottle cap clamping clamp 73 comprises the following steps: the bottle neck 91 enters the second clamping groove 733 through the second clamping inlet 732, so that the infusion bottle 9 is perpendicular to the bottle cap clamping clamp 73, the top surface of the bottle cap 92 is contacted with the bottom surface of the bottle cap clamping clamp 73, and the bottle cap 92 cannot pass through the second clamping groove 733 due to the fact that the inner diameter of the second clamping groove 733 is smaller than the outer diameter of the bottle cap 92, so that clamping of the bottle cap clamping clamp 73 and the bottle cap 92 is achieved.

In a preferred embodiment, referring to fig. 3 and 4, the width of the first and

second card inlets

712 and 732 is greater on the outer side than on the inner side; the infusion tube 1 and the bottle neck 91 at the lower end of the needle wing 3 can enter the first clamping entrance 712 and the second clamping entrance 732 more easily and then enter the first clamping groove 713 and the second clamping groove 733.

In one embodiment, the connecting portion is a connecting rod fixedly connected between the needle wing clamping clamp 71 and the bottle cap clamping clamp 73, and the connecting rod fixes the positions of the needle wing clamping clamp 71 and the bottle cap clamping clamp 73, so that the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 cannot move relatively; because the length of the connecting rod cannot be adjusted, the positions of the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 cannot be fixed due to the fact that the connecting rod is possibly unmatched when facing infusion bottles and infusion sets of different specifications, and particularly, after the infusion set is inserted on an infusion bottle 9, the distance between the needle wing 3 and the bottle cap 92 is far smaller than the distance between the needle wing clamping clamp 71 and the bottle cap clamping clamp 73, and the purpose of fixing the positions of the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 cannot be achieved.

In one embodiment, referring to fig. 2, 3 and 4, the connecting portion comprises a threaded rod 72 and an adjusting nut 74, and a threaded rod passage hole 734 is formed on the bottle cap clamping clamp 73; one end of the threaded rod 72 is fixedly connected to the top surface of the pin fin clamping clamp 71, and the other end of the threaded rod 72 penetrates through the bottle cap clamping clamp 73 from a threaded rod passage hole 734; the adjusting nut 74 is screwed on the threaded rod 72 through threads, and the adjusting nut 74 is positioned at the top of the bottle cap clamping clamp 73; the relative distance between the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 can be adjusted by rotating the adjusting nut 74, so that the liquid medicine needle anti-falling clamp 7 is suitable for infusion bottles and infusion sets of different specifications.

Meanwhile, it is to be noted that: based on fig. 2, the setting direction of the threaded rod 72 can be reversed, that is, one end of the threaded rod 72 is fixedly connected to the bottom surface of the bottle cap clamping clamp 73, the other end of the threaded rod passes through the needle wing clamping clamp 71, and the adjusting nut 74 is located at the bottom of the needle wing clamping clamp 71, so that the adjusting nut 74 can not be obstructed by the position of the infusion bottle 9 when being rotated, and the adjusting nut 74 can be rotated more conveniently, and particularly, as shown in fig. 2, the adjusting nut 74 is further symmetrically provided with a convenient adjusting handle, so that the adjusting nut is obstructed by the position of the infusion bottle 9 more easily; and the convenient adjustment handle facilitates a more labor-saving, quick rotation of the adjustment nut 74.

In a preferred embodiment, referring to fig. 2, the connecting portion further includes a spring 75, the spring 75 is sleeved outside the threaded rod 72 between the needle wing clamping clamp 71 and the bottle cap clamping clamp 73, and the top end and the bottom end of the spring 75 are respectively contacted with the bottle cap clamping clamp 73 and the needle wing clamping clamp 71; the spring 75 is in an initial state of a stretching state, the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 can be separated by a distance all the time, the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 can be clamped conveniently, when the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 are close to each other by rotating the adjusting nut 74, the spring 75 is compressed, and when the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 are far away from each other by rotating the adjusting nut 74, the spring 75 is stretched again to push the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 away.

In one embodiment, referring to fig. 1, a transparent time sticker 41 capable of being stuck on the drip cup 4 is provided on the drip cup 4; the transparent time sticker 41 can mark or write the time for using the infusion set or the time for replacing the infusion set; because the infusion apparatus must be replaced within 24 hours, the transparent time sticker 41 can write the time for starting the use of the infusion apparatus or the time for replacing the infusion apparatus and stick the time sticker to the drip cup 4 to remind a nurse to replace the infusion apparatus in time; specifically, the writing format is: "XX starts to use separately in XX month XX day XX of 20XX year" or "XX is replaced separately in XX month XX day XX of 20XX year"; meanwhile, the time sticker 41 is transparent, so that the drip cup 4 cannot be shielded, and the liquid level in the drip cup 4 can be conveniently observed.

In one embodiment, referring to fig. 1, 5 and 6, the infusion set safety assembly further includes a threaded sleeve 8, the threaded sleeve 8 is in a hollow spiral spring shape as a whole, and the threaded sleeve 8 is elastic as a whole; the threaded sleeve 8 comprises an infusion tube accommodating hole 81 and an infusion tube mounting open slot 82, the infusion tube accommodating hole 81 is a hollow part inside the threaded sleeve 8, the infusion tube mounting open slot 82 is opened on the tube wall of the threaded sleeve 8, and the infusion tube mounting open slot 82 is parallel to the infusion tube accommodating hole 81; the threaded sleeve 8 is sleeved and arranged outside the infusion tube 1 close to one end of the injection needle 6.

The use method of the threaded sleeve 8 comprises the following steps: select the transfer line 1 that is close to 6 one ends of syringe needle, go into transfer line accommodation hole 81 inside with transfer line 1 through transfer line installation open slot 82 card, because threaded sleeve 8 wholly has elasticity, consequently this section transfer line 1 card can form the coil spring form with threaded sleeve 8 after going into transfer line accommodation hole 81, when dragging transfer line 1, this section transfer line 1 extends the lengthening with threaded sleeve 8 together, when not dragging to transfer line 1, under threaded sleeve 8's resilience effect, this section transfer line 1 retracts the shortening together with threaded sleeve 8 and resumes to the coil spring form.

It should be noted that: compared with the existing infusion apparatus with the standard length, the infusion apparatus described in the patent has the advantage that the length of the infusion tube of the infusion apparatus described in the patent is longer than that of the existing infusion apparatus with the standard length, so that the purpose of conveniently and adaptively adjusting the length of the infusion tube described in the patent can be achieved, and meanwhile, the length of the infusion tube of the infusion apparatus described in the patent comprises the lengths of the infusion tubes located inside the threaded sleeve 8 and outside the threaded sleeve 8; for example, the whole of the existing infusion apparatus with the standard length is 1.5m, the whole infusion apparatus equipped with the threaded sleeve 8 can be 1.8m long after being stretched, wherein the length of the stretched threaded sleeve 8 is 0.3m longer than that of the unstretched threaded sleeve 8, so that the 1.5m of the infusion tube can be ensured to be normally used when the threaded sleeve 8 is not stretched, the infusion tube is pulled by a patient when the patient turns over or accidentally swings his hand, and the threaded sleeve 8 can be adaptively stretched to prevent the infusion apparatus from being pulled off and an indwelling needle which is easy to puncture from being damaged.

The use method of the infusion set safety assembly described in the patent comprises the following steps: a nurse hangs a prepared infusion bottle 9 on an infusion rod firstly, takes out a new infusion apparatus, punctures the liquid medicine needle 2 into a bottle cap 92 of the infusion bottle 9, takes out the liquid medicine needle anti-falling clamp 7, clamps the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 on the needle wing 3 and the bottle cap 92 respectively by the method, and can adjust the relative distance between the needle wing clamping clamp 71 and the bottle cap clamping clamp 73 by the method; the nurse writes the time for starting to use the infusion set or the time for replacing the infusion set on the time sticker 41 and then pastes the time sticker 41 on the drip cup 4; then the infusion tube 1 close to one end of the injection needle 6 is clamped into the threaded sleeve 8 by the method; finally, the skin puncture transfusion can be performed by using the injection needle 6.

It is clear that modifications and/or additions of parts may be made to the infusion set safety assembly as described heretofore, and to the corresponding method, without departing from the field and scope of the present invention.

It is also clear that, although the present invention has been described in detail, a person of skill in the art shall certainly be able to achieve many other equivalent forms of infusion set safety assembly and corresponding method, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Claims

1. An infusion set safety assembly, characterized in that: comprises an infusion apparatus main body, an infusion bottle (9) and a liquid medicine needle anti-drop clamp (7); the infusion apparatus main body comprises an infusion tube (1), a liquid medicine needle (2), a needle wing (3), a drip cup (4), a flow regulating switch (5) and an injection needle (6); the liquid medicine needle (2) and the injection needle (6) are respectively and fixedly arranged at two ends of the infusion tube (1); the rear end of the liquid medicine needle (2) is provided with a needle wing (3); the drip cup (4) and the flow regulating switch (5) are respectively arranged on the transfusion tube (1); the bottom of the infusion bottle (9) is provided with a bottle neck (91) and a bottle cap (92); liquid medicine needle anti-drop presss from both sides (7) and presss from both sides (71) including needle wing joint, bottle lid joint and press from both sides (73) and connect needle wing joint and press from both sides (71) and bottle lid joint and press from both sides the connecting portion of (73), needle wing joint presss from both sides (71) and matches the joint with needle wing (3), bottle lid joint presss from both sides (73) and matches the joint with bottle lid (92), connecting portion restriction needle wing joint presss from both sides (71) and bottle lid joint and presss from both sides (73) relative motion.

2. The infusion set safety assembly according to claim 1, wherein: the needle wing clamping clamp (71) is integrally square and elastic, and the needle wing clamping clamp (71) comprises a first clamping groove (711), a first clamping inlet (712) and an arc-shaped first clamping groove (713); the first clamping groove (711) is arranged in the middle of the needle wing clamping clamp (71), one end of the first clamping groove (711) extends out of the edge of the needle wing clamping clamp (71), and one end, extending out of the needle wing clamping clamp (71), of the first clamping groove (711) is a first clamping inlet (712); the two arc-shaped first clamping grooves (713) are symmetrically arranged in the middle of the first clamping groove (711); the inner diameter of the first clamping groove (713) is smaller than the outer diameter of the needle wing (3).

3. The infusion set safety assembly according to claim 2, wherein: the width of the outer side of the first clamping inlet (712) is larger than that of the inner side.

4. The infusion set safety assembly according to claim 1, wherein: the bottle cap clamping clamp (73) is integrally square and elastic, and the bottle cap clamping clamp (73) comprises a second clamping groove (731), a second clamping inlet (732) and an arc-shaped second clamping groove (733); the second clamping groove (731) is formed in the middle of the bottle cap clamping clamp (73), one end of the second clamping groove (731) extends out of the edge of the bottle cap clamping clamp (73), and the end, extending out of the bottle cap clamping clamp (73), of the second clamping groove (731) is a second clamping inlet (732); the two arc-shaped second clamping grooves (733) are symmetrically arranged in the middle of the second clamping groove (731); the inner diameter of the second clamping groove (733) is smaller than the outer diameter of the bottle cap (92).

5. The infusion set safety assembly according to claim 4, wherein: the width of the outer side of the second clamping entrance (732) is larger than that of the inner side.

6. The infusion set safety assembly according to claim 1, wherein: the connecting part is a connecting rod fixedly connected between the needle wing clamping clamp (71) and the bottle cap clamping clamp (73).

7. The infusion set safety assembly according to claim 1, wherein: the connecting part comprises a threaded rod (72) and an adjusting nut (74), and a threaded rod channel passing hole (734) is formed in the bottle cap clamping clamp (73); one end of the threaded rod (72) is fixedly connected to the top surface of the needle wing clamping clamp (71), and the other end of the threaded rod (72) penetrates through the bottle cap clamping clamp (73) from the threaded rod passage hole (734); the adjusting nut (74) is screwed on the threaded rod (72) through threads, and the adjusting nut (74) is positioned at the top of the bottle cap clamping clamp (73).

8. The infusion set safety assembly according to claim 7, wherein: connecting portion still include spring (75), and spring (75) cup joint between needle wing joint clamp (71) and bottle lid joint clamp (73) threaded rod (72) are outside, and spring (75) top and bottom contact with bottle lid joint clamp (73), needle wing joint clamp (71) respectively.

9. The infusion set safety assembly according to claim 1, wherein: a transparent time sticker (41) which can be stuck on the drip cup (4) is arranged on the drip cup (4); the transparent time paster (41) can mark or write the time for using the infusion set or the time for replacing the infusion set.

10. The infusion set safety assembly according to claim 1, wherein: the infusion set safety component also comprises a threaded sleeve (8), the threaded sleeve (8) is integrally in a hollow spiral spring shape, and the threaded sleeve (8) is integrally elastic; the threaded sleeve (8) comprises an infusion tube accommodating hole (81) and an infusion tube mounting open slot (82), the infusion tube accommodating hole (81) is a hollow part inside the threaded sleeve (8), the infusion tube mounting open slot (82) is arranged on the tube wall of the threaded sleeve (8), and the infusion tube mounting open slot (82) is parallel to the infusion tube accommodating hole (81); the threaded sleeve (8) is sleeved outside the infusion tube (1) close to one end of the injection needle (6).