CN217311160U

CN217311160U - Special syringe for normal saline tube sealing liquid

Info

Publication number: CN217311160U
Application number: CN202123318736.8U
Authority: CN
Inventors: 虞群炜
Original assignee: First Hospital of Jiaxing
Current assignee: First Hospital of Jiaxing
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-30
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a special syringe of normal saline tube sealing liquid, including cylinder, core bar and piston device, piston device is located the cylinder, piston device includes base, rotation seat and push pedal, the base top is equipped with the rotation hole, the rotation seat rotates to be connected in the rotation hole, the rotation seat top is equipped with the cavity, the push pedal is connected with the core bar and stretches into in the cavity, the rotation seat is vertically sliding connected with the push pedal and circumference is fixed, be equipped with heparin tube sealing liquid between push pedal and cavity bottom in the cavity, the bottom of base is equipped with first through-hole, the bottom of rotation seat is equipped with the second through-hole, be equipped with normal saline between the syringe needle of base and cylinder in the cylinder; this special syringe of normal saline seals pipe liquid can have normal saline and heparin to seal pipe liquid simultaneously, only need respectively to seal the injection of normal saline and heparin tube sealing liquid and keep somewhere the pipe and can realize sealing the pipe, has solved the tradition and has carried out the washing and seal a tub problem complex operation through many syringes.

Description

Special syringe of normal saline tube sealing liquid

Technical Field

The utility model relates to an injector technical field, more specifically the special syringe of normal saline tube sealing liquid that says so relates to.

Background

The blood vessel indwelling pipeline is a medical apparatus widely applied to clinic, is simple to operate, safe and convenient, not only solves the pain of repeated puncture of a patient, protects the blood vessel, but also lightens the nursing workload of nurses, is suitable for the patients who need to be injected for many times and are difficult to prick, particularly the critically ill patients, and can open the blood vessel channel at any time to take medicine, thereby improving the success rate of rescue; during the retention period of the blood vessel indwelling tube, after each transfusion or medication, physiological-like liquid and heparin saline are needed to be used for washing and sealing the tube, so that the blockage of the blood vessel indwelling tube due to the formation of thrombus caused by blood backflow during tube sealing is avoided; in the prior art, the heparin liquid seal tube is used clinically, is a link independent of flushing and communicating tubes, needs to be carried by nursing personnel to operate two or more syringes, needs to be repeatedly connected with a catheter connector by using the syringes, is complex to operate, can be operated by extremely skilled nursing personnel, and is extremely easy to cause the pollution of a blood vessel indwelling pipeline; in addition, the heparin tube flushing liquid for clinical use is a mixed solution prepared by heparin sodium or heparin calcium solution according to the proportion of 10-100u/ml, and needs to be refrigerated and stored in a refrigerator, is extremely unstable, needs to be taken out of the refrigerator during use, uses a 10ml syringe for sucking the use amount, covers a needle protection cap, and goes forward to operate, so that the liquid medicine is easily polluted in the process, the probability of needle puncture injury of medical personnel is greatly increased, and the phenomenon needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a special syringe of normal saline tube sealing liquid can have normal saline and heparin tube sealing liquid simultaneously to when sealing the pipe to keeping somewhere the pipe, only need inject into the pipe of keeping somewhere respectively normal saline and heparin tube sealing liquid, need not to connect the syringe many times, reduced the risk that the pipe of keeping somewhere receives the pollution, and convenient to use.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a syringe special for normal saline tube sealing liquid comprises a needle cylinder, a core rod and a piston device, wherein the piston device is positioned in the needle cylinder, the piston device comprises a base, a rotating seat and a push plate, a rotating hole is formed in the top of the base, the rotating seat is rotatably connected in the rotating hole, an anti-falling structure is arranged between the rotating seat and the base, a cavity is formed in the top of the rotating seat, the push plate is connected with the core rod and extends into the cavity, vertically-arranged sliding grooves are formed in two sides of the cavity, sliding blocks are arranged on two sides of the push plate and extend into the sliding grooves, heparin tube sealing liquid is arranged between the push plate and the bottom of the cavity in the cavity, a first through hole communicated with the rotating hole is formed in the bottom of the base, a second through hole communicated with the cavity is formed in the bottom of the rotating seat, and the first through hole and the second through hole are positioned on the circumference of a circle with the same radius, the syringe is characterized in that a first anti-rotation structure is arranged at one end close to the needle head in the syringe, a second anti-rotation structure is arranged on the base and matched with the first anti-rotation structure, and normal saline is arranged between the base and the needle head of the syringe in the syringe.

Further both sides that the base top is located the through-hole all are provided with two mutual disposition's spacing fixture block, the top both sides of rotating the seat all are provided with the elastic flange, the elastic flange card is gone into between two spacing fixture blocks to after the elastic flange who rotates the seat both sides is carrying out the position interchange, can realize the intercommunication or the disconnection of first through-hole and second through-hole.

Further first anti-rotating structure is for preventing changeing the sand grip, the second anti-rotating structure is for preventing the turn-round, the turn-round is located the bottom of base, prevent changeing in the sand grip can stretch into the turn-round.

Further, the first through hole is positioned in the anti-rotation groove.

Further anti-disengaging structure is anticreep bulge loop and anticreep recess, the anticreep bulge loop is located the side of rotating the seat, the anticreep recess is located the lateral wall in rotation hole, the anticreep bulge loop stretches into in the anticreep recess.

Further, anti-falling bumps are arranged on two sides of the top of the sliding groove.

Furthermore, a sealing cover which is detachably connected is arranged at the needle head of the needle cylinder.

Further, the sealing cover is connected with the needle head of the needle cylinder through threads.

Furthermore, an identification mark is arranged at one end of the outer side of the needle cylinder, which is far away from the needle head.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a syringe is through setting up piston device, make heparin tube sealing liquid be located the cavity, make normal saline be located between the syringe needle of base and cylinder in the cylinder, thereby make there are two kinds of solutions simultaneously in this syringe, thereby when sealing the pipe to keeping somewhere the pipe, only need connect and use this syringe to carry out the injection of normal saline earlier, then carry out the injection of heparin tube sealing liquid, accomplish the tube sealing of keeping somewhere the pipe, the tradition has effectively been solved and has been washed the pipe and seal a tub problem complex operation through many syringes, the risk of keeping somewhere the pipe and receiving pollution has been reduced, and convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

FIG. 1 is a first structural schematic diagram of a syringe dedicated for normal saline tube sealing liquid;

FIG. 2 is a second schematic structural view of a syringe dedicated for normal saline catheter-sealing solution;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a third schematic structural view of a syringe dedicated for normal saline tube sealing liquid.

Labeled as: 1. a needle cylinder; 2. a core bar; 3. a piston device; 301. a base; 302. rotating the base; 303. pushing the plate; 304. a second through hole; 305. a first through hole; 306. an anti-rotation slot; 307. a slider; 308. a chute; 309. an elastic flange; 310. a limiting clamping block; 311. an anti-drop convex ring; 312. an anti-drop groove; 313. anti-rotation convex strips; 314. an anti-drop bump; 4. sealing the cover; 5. a needle head; 6. physiological saline; 7. heparin tube sealing liquid; 8. the indicia are identified.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and as used in the description of the invention, the definition of "a plurality" or "a plurality" means two or more unless otherwise explicitly specified.

A syringe special for physiological saline 6 tube sealing liquid is disclosed, as shown in fig. 1-3, and comprises a needle cylinder 1, a core rod 2 and a piston device 3, wherein the piston device 3 is positioned in the needle cylinder 1, the piston device 3 comprises a base 301, a rotating seat 302 and a push plate 303, the top of the base 301 is provided with a rotating hole, the rotating seat 302 is rotatably connected in the rotating hole, an anti-drop structure is arranged between the rotating seat 302 and the base 301, the top of the rotating seat 302 is provided with a cavity, the push plate 303 is connected with the core rod 2 and extends into the cavity, two sides of the cavity are respectively provided with a sliding chute 308 which is vertically arranged, two sides of the push plate 303 are respectively provided with a sliding block 307, the sliding block 307 extends into the sliding chute 308, heparin tube sealing liquid 7 is arranged between the push plate 303 and the bottom of the cavity in the cavity, the bottom of the base 301 is provided with a first through hole 305 which is communicated with the rotating hole, the bottom of the rotating seat 302 is provided with a second through hole 304 which is communicated with the cavity, first through-hole 305 and second through-hole 304 are located the circumference of same radius circle, the one end department that is close to syringe needle 5 in the cylinder 1 is provided with first anti-rotation structure, be provided with the second anti-rotation structure on the base 301, first anti-rotation structure and the cooperation of second anti-rotation structure, it is provided with normal saline 6 to be located between base 301 and the syringe needle 5 of cylinder 1 in the cylinder 1.

The utility model discloses a syringe is through setting up piston device 3, make heparin tube sealing liquid 7 be located the cavity, make saline 6 be located the syringe 1 in be located between base 301 and the syringe needle 5 of syringe 1, thereby make and have two kinds of solutions simultaneously in this syringe, thereby when carrying out the tube sealing to keeping somewhere the pipe, only need to connect and use this syringe to carry out saline 6's injection earlier, then carry out heparin tube sealing liquid 7's injection again, accomplish the tube sealing of keeping somewhere the pipe, the tradition has effectively been solved and has been washed tub and the problem of tube sealing complex operation through many syringes, the risk that the pipe received the pollution has been reduced to keeping somewhere, and convenient to use.

In this embodiment, as shown in fig. 2, two opposite limiting blocks 310 are disposed on both sides of the top of the base 301 located at the through hole, two elastic flanges 309 are disposed on both sides of the top of the rotating base 302, the elastic flanges 309 are clamped between the two limiting blocks 310, and when the positions of the elastic flanges 309 on both sides of the rotating base 302 are interchanged, the first through hole 305 and the second through hole 304 can be connected or disconnected;

specifically, two limiting blocks 310 are arranged on two sides of the through hole, and elastic flanges 309 are arranged on two sides of the top of the rotating seat 302, so that the rotating seat 302 can be fixed relative to the base 301 at a position where the first through hole 305 and the second through hole 304 are communicated or a position where the first through hole 305 and the second through hole 304 are disconnected.

In this embodiment, as shown in fig. 1 and fig. 3, the first anti-rotation structure is an anti-rotation convex strip 313, the second anti-rotation structure is an anti-rotation groove 306, the anti-rotation groove 306 is located at the bottom of the base 301, and the anti-rotation convex strip 313 can extend into the anti-rotation groove 306, so as to prevent the base 301 from rotating.

In this embodiment, as shown in fig. 3, preferably, the first through hole 305 is located in the anti-rotation slot 306, so that when the base 301 is in contact with and abutted against one end of the needle 5 of the syringe 1, the first through hole 305 is not blocked, and the heparin tube sealing liquid 7 in the cavity can flow into the needle 5 through the second through hole 304 and the first through hole 305 and through the anti-rotation slot 306.

In this embodiment, as shown in fig. 3, the anti-separation structure includes an anti-separation convex ring 311 and an anti-separation groove 312, the anti-separation convex ring 311 is located on a side surface of the rotating base 302, the anti-separation groove 312 is located on a side wall of the rotating hole, and the anti-separation convex ring 311 extends into the anti-separation groove 312, so that the rotating base 302 is located in the rotating hole and is rotatably connected with the base 301, and cannot be separated from the rotating hole.

In this embodiment, as shown in fig. 2, two sides of the top of the sliding groove 308 are provided with anti-falling projections 314 for preventing the push plate 303 from falling out of the cavity.

In the preferred embodiment, the needle 5 of the syringe 1 is provided with a detachably connected cover 4.

In the preferred embodiment, the cover 4 is screwed with the needle 5 of the syringe 1, so that the connection is tight and the disassembly is convenient.

In the present embodiment, as shown in fig. 4, an identification mark 8 is preferably disposed at an end of the outer side of the syringe barrel 1 away from the needle 5, so that the syringe can be identified conveniently and is prevented from being mixed with other syringes.

The working principle is as follows:

when the sealing cover 4 of the indwelling catheter is carried out, the needle head 5 of the needle cylinder 1 is butted with the indwelling catheter, then the core rod 2 is pushed, the physiological saline 6 in the needle cylinder 1 is injected into the indwelling catheter, the base 301 is pushed by the core rod 2 to the needle head 5 end of the needle cylinder 1, the anti-rotation convex strip 313 extends into the anti-rotation groove 306, then the core rod 2 is rotated, the elastic flanges 309 at the two sides of the rotating seats 302 at the two sides are exchanged in position, the communication between the first through hole 305 and the second through hole 304 is realized, then the core rod 2 is pushed, the push plate 303 moves in the cavity, the heparin tube sealing liquid 7 in the cavity is pushed out, the heparin tube sealing liquid 7 enters the indwelling catheter through the second through hole 304, the first through hole 305 and the needle head 5, and the indwelling catheter is sealed; if the heparin lock solution 7 is not required to be injected, the physiological saline 6 is pushed into the indwelling catheter without releasing and pushing the heparin lock solution 7 in the rotating core rod 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a special syringe of normal saline tube sealing liquid which characterized in that: the syringe comprises a syringe, a core rod and a piston device, wherein the piston device is positioned in the syringe, the piston device comprises a base, a rotating seat and a push plate, the top of the base is provided with a rotating hole, the rotating seat is rotatably connected in the rotating hole, an anti-falling structure is arranged between the rotating seat and the base, the top of the rotating seat is provided with a cavity, the push plate is connected with the core rod and extends into the cavity, two sides of the cavity are respectively provided with a vertically arranged chute, two sides of the push plate are respectively provided with a slide block, the slide blocks extend into the chutes, heparin tube sealing liquid is arranged between the push plate and the bottom of the cavity in the cavity, the bottom of the base is provided with a first through hole communicated with the rotating hole, the bottom of the rotating seat is provided with a second through hole communicated with the cavity, the first through hole and the second through hole are positioned on the circumference of a circle with the same radius, and one end, close to a needle head, in the syringe is provided with a first anti-rotating structure, the syringe is characterized in that a second anti-rotation structure is arranged on the base, the first anti-rotation structure is matched with the second anti-rotation structure, and normal saline is arranged between the base and the needle head of the syringe in the syringe.

2. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: the both sides that the base top is located the through-hole all are provided with two relative arrangement's spacing fixture block, the top both sides of rotating the seat all are provided with the elastic flange, the elastic flange card is gone into between two spacing fixture blocks to after the elastic flange that rotates the seat both sides is carrying out the position interchange, can realize the intercommunication or the disconnection of first through-hole and second through-hole.

3. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: the first anti-rotation structure is an anti-rotation raised line, the second anti-rotation structure is an anti-rotation groove, the anti-rotation groove is located at the bottom of the base, and the anti-rotation raised line can stretch into the anti-rotation groove.

4. The syringe special for the physiological saline tube sealing liquid according to claim 3, characterized in that: the first through hole is positioned in the anti-rotation groove.

5. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: the anti-disengaging structure is anti-disengaging bulge loop and anticreep recess, the anti-disengaging bulge loop is located the side of rotating the seat, the anticreep recess is located the lateral wall in rotation hole, the anti-disengaging bulge loop stretches into in the anti-disengaging recess.

6. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: anti-falling lugs are arranged on two sides of the top of the sliding groove.

7. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: the needle head of the needle cylinder is provided with a sealing cover which is detachably connected.

8. The syringe special for the physiological saline tube sealing liquid according to claim 7, characterized in that: the sealing cover is connected with the needle head of the needle cylinder through threads.

9. The syringe special for the physiological saline tube sealing liquid according to claim 1, characterized in that: and an identification mark is arranged at one end of the outer side of the needle cylinder, which is far away from the needle head.