CN216258573U - Infusion needle with protective sleeve - Google Patents

Abstract

The utility model discloses an infusion needle head with a protective sleeve, which comprises an infusion needle, wherein the lower end of the infusion needle is fixedly connected with a clamping block, the lower end of the clamping block is connected with an infusion tube, the upper end of the infusion tube is communicated with the lower end of the infusion needle in the clamping block, the lower side of the infusion tube is provided with a limiting block, the infusion tube penetrates through the limiting block and is fixedly connected with the infusion tube, the infusion tube is slidably connected with the protective sleeve, the length of the protective sleeve is larger than that of the infusion needle, a fixing buckle component is arranged on the lower side of the protective sleeve, a second clamping block is arranged on the lower side of the infusion tube and is positioned in the protective sleeve and matched with the fixing buckle component, the protective sleeve slides upwards until the protective sleeve covers the infusion needle, the fixing buckle component is matched with the first clamping block at the moment, the protective sleeve is fixed, the protective sleeve plays a protective role, and effectively prevents the infusion needle from stabbing other people, or cause disease transmission.

Description

Infusion needle with protective sleeve

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an infusion needle with a protective sleeve.

Background

At present, human body infusion is widely used as an important and effective medical means for treating diseases. The needle must be fixed during the infusion process. After the medical staff pricks the needle head of the transfusion needle at the preset needle receiving position of the needle receiver, the needle handle must be fixed by hand, and then the sticking cloth is stuck to the fixed needle handle; the needle head is not easy to position due to the shaking of the hands of the medical staff in the operation process, and the fixing accuracy of the needle head is easily influenced; in addition, in the process of infusion, the movement of the patient can also influence the fixation of the needle head, the needle head is displaced, the infusion needle needs to be punctured again, the workload of medical workers is increased, and the pain of the patient is increased.

Infusion needles are disposable medical items and are discarded and disposed of after use in order to prevent diseases from spreading through the blood. At present, after an infusion needle is separated from a human body, a plastic protective cover is arranged on a needle head of the infusion needle to prevent medical staff and medical waste disposal staff from being punctured, but the protective cover is simply sleeved on the infusion needle and is easy to fall off, the infection of diseases caused by the fact that the medical staff and the waste disposal staff are punctured cannot be avoided, and the medical staff are extremely easy to puncture, so that the infusion needle head with the protective cover is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an infusion needle with a protective sleeve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an infusion syringe needle with protective sheath, includes the transfusion needle, the lower extreme fixedly connected with fixture block of transfusion needle, the lower extreme of fixture block is connected with the transfer line, the upper end of transfer line and the lower extreme of transfusion needle communicate in the inside of fixture block, the downside of transfer line is equipped with the stopper, the transfer line passes stopper and transfer line fixed connection, sliding connection has the lag on the transfer line, the length of lag is greater than the length of transfusion needle, the downside of lag is equipped with fixed knot subassembly, the downside of transfer line is equipped with the second fixture block, the second fixture block is located the inside of lag and matches with fixed knot subassembly.

Preferably, the transfusion needle is provided with a wing panel.

Preferably, the front and rear side surfaces of the wing pieces are respectively provided with anti-slip corrugations.

Preferably, the side edge of the protective sleeve is provided with a sliding groove, and the width of the sliding groove is larger than the thickness of the wing piece.

Preferably, the fixed subassembly of detaining includes two springs, two spring installation chambeies and two fixed blocks, two the left and right sides of lag downside is located to the spring installation chamber, two the spring is installed respectively in the inside of two spring installation chambeies, two the one end of fixed block is respectively with the relative one end fixed connection of two springs, two the one end upside that the spring was kept away from to the fixed block is equipped with the direction inclined plane.

Preferably, the lower side of the second fixture block is provided with an inclined plane matched with the guide inclined plane of the fixture block.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a back is accomplished in infusion syringe needle infusion with protective sheath, upwards slides the protective sheath, until the protective sheath covers the infusion needle, and fixed subassembly and the cooperation of first fixture block are detained to this moment, and the protective sheath is fixed, plays the effect of protection, and the effectual infusion needle of avoiding stabs other people, perhaps causes the disease infection.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front sectional structural view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is a schematic view of a covered needle of the present invention.

In the figure: 1. an infusion needle; 2. a first clamping block; 3. a transfusion tube; 4. a limiting block; 5. a protective sleeve; 6. a fixing buckle assembly; 601. a spring; 602. a spring mounting cavity; 603. a fixed block; 7. a second fixture block; 8. a chute; 9. a fin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1-4, the present invention provides a technical solution: an infusion needle head with a protective sleeve comprises an infusion needle 1, wherein a first clamping block 2 is fixedly connected to the lower end of the infusion needle 1, an infusion tube 3 is connected to the lower end of the first clamping block 2, the infusion tube 3 is used for conveying liquid medicine, the upper end of the infusion tube 3 is communicated with the lower end of the infusion needle 1 inside the first clamping block 2, a limiting block 4 is arranged on the lower side of the infusion tube 3, the infusion tube 3 penetrates through the limiting block 4 and the limiting block 4 is fixedly connected with the infusion tube 3, a protective sleeve 5 is slidably connected onto the infusion tube 3, the length of the protective sleeve 5 is larger than that of the infusion needle 1, a fixing buckle assembly 6 is arranged on the lower side of the protective sleeve 5, a second clamping block 7 is arranged on the lower side of the infusion tube 3, the second clamping block 7 is located inside the protective sleeve 5 and matched with the fixing buckle assembly 6, and the fixing buckle assembly 6 is matched with the second clamping block 7 under a normal state, the transfusion needle 1 exposes outside, and after the transfusion, with lag 5 upwards sliding, until lag 5 covers transfusion needle 1, fixed knot subassembly 6 and first fixture block 2 cooperation this moment, lag 5 is fixed, plays the effect of protection, and the effectual transfusion needle of avoiding stabs other people, perhaps causes the disease infection.

Particularly, be equipped with fin 9 on infusion needle 1, the setting of fin 9 is convenient for medical personnel to take to infusion needle, is convenient for prick the needle to the patient.

Particularly, the front side face and the rear side face of the fin 9 are respectively provided with anti-slip corrugations, friction force between hands and the fin 9 can be increased by setting the anti-slip corrugations, and medical workers can hold the fin 9 more stably.

Specifically, the side of lag 5 is equipped with spout 8, the width of spout 8 is greater than the thickness of fin 9, and setting for of spout 8 avoids producing the interference with fin 9 when sliding lag 5, guarantees the normal use of this device.

Specifically, the fixing buckle assembly 6 includes two springs 601, two spring installation cavities 602 and two fixing blocks 603, the two spring installation cavities 602 are disposed on the left and right sides of the lower side of the protection sleeve 5, the two springs 601 are respectively installed inside the two spring installation cavities 602, one ends of the two fixing blocks 603 are respectively fixedly connected to the opposite ends of the two springs 601, the ends of the two fixing blocks 603 connected to the springs 601 extend into the spring installation cavities 602, the upper sides of the ends of the two fixing blocks 603 far away from the springs 601 are provided with guiding inclined planes, when in use, the sliding protection sleeve 5 moves upwards, the two spring installation cavities 602 move upwards along with the protection sleeve 5, the two fixing blocks 603 are driven to move upwards by the upwards movement of the protection sleeve 5, the two fixing blocks 603 contact with the second fixture block 7, and under the guiding action of the guiding inclined planes of the two fixing blocks 603, the two fixing blocks 603 are retracted into the spring installation cavities 602, the spring 601 contracts, when the two fixing blocks 603 pass through the second clamping block 7, the two fixing blocks 603 rebound, then the protecting sleeve 5 continues to slide upwards, the wing 9 is positioned in the sliding groove 8, when the two fixing blocks 603 contact with the first clamping block 2, the protecting sleeve 5 continues to slide upwards, through the guiding effect of the guiding inclined planes of the two fixing blocks 603, the two fixing blocks 603 are retracted into the spring installation cavity 602 again, the spring 601 contracts, after the first clamping block 2, the two fixing blocks 603 pop out, at the moment, the protecting sleeve 5 completely covers the infusion needle 1, the lower side of the fixing blocks 603 contacts with the upper side of the first clamping block 2, the fixing blocks 603 cannot move downwards, the protecting sleeve 5 cannot move downwards, the lower side of the wing 9 contacts with the lower side of the sliding groove 8, the protecting sleeve 5 cannot move upwards, further, the fixing of the protecting sleeve 5 is realized, at the moment, the infusion needle 1 is positioned inside the protecting sleeve 5, the protective function is achieved, and the transfusion needle is effectively prevented from stabbing other people or causing disease infection.

Particularly, the lower side of the second fixture block 7 is provided with an inclined surface matched with the guide inclined surface of the fixing block 603, and when the inclined surface on the second fixture block 7 enables the fixing block 603 to move upwards, the retraction is easier, so that the device is more convenient to operate.

The working principle is as follows: in the utility model, under a normal state, the fixing buckle assembly 6 is matched with the second fixture block 7, the infusion needle 1 is exposed outside, after infusion is finished, the protective sleeve 5 slides upwards, the sliding protective sleeve 5 slides upwards, the two spring installation cavities 602 move upwards along with the protective sleeve 5, the protective sleeve 5 moves upwards to drive the two fixing blocks 603 to move upwards, the two fixing blocks 603 are contacted with the second fixture block 7, the two fixing blocks 603 are retracted into the spring installation cavities 602 under the guiding action of the guiding inclined planes of the two fixing blocks 603, the spring 601 contracts, when the two fixing blocks 603 pass through the second fixture block 7, the two fixing blocks 603 rebound and then continue to slide upwards to the protective sleeve 5, the wing 9 is positioned in the sliding groove 8, when the two fixing blocks 603 are contacted with the first fixture block 2, the protective sleeve 5 continues to slide upwards, and under the guiding action of the guiding inclined planes of the two fixing blocks 603, the two fixing blocks 603 are retracted into the spring installation cavities 602 again, spring 601 shrink, behind first fixture block 2, two fixed blocks 603 pop out, lag 5 covers transfusion needle 1 completely this moment, the downside of fixed block 603 and the upside contact of first fixture block 2, fixed block 603 can't the downstream, lag 5 can't the downstream, and the downside of fin 9 and the downside contact of spout 8, lag 5 also can't shift up, and then realized the fixed to lag 5, transfusion needle 1 is in lag 5's inside this moment, play the effect of protection, other people are stabbed to effectual transfusion needle of avoiding, or cause the disease to infect.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. The utility model provides an infusion syringe needle with protective sheath, includes infusion needle (1), its characterized in that: the lower end of the transfusion needle (1) is fixedly connected with a first clamping block (2), the lower end of the first clamping block (2) is connected with a transfusion tube (3), the upper end of the transfusion tube (3) is communicated with the lower end of the transfusion needle (1) in the first clamping block (2), a limiting block (4) is arranged at the lower side of the infusion tube (3), the infusion tube (3) passes through the limiting block (4), the limiting block (4) is fixedly connected with the infusion tube (3), a protective sleeve (5) is connected on the transfusion tube (3) in a sliding way, the length of the protective sleeve (5) is longer than that of the transfusion needle (1), a fixing buckle component (6) is arranged at the lower side of the protective sleeve (5), a second clamping block (7) is arranged at the lower side of the infusion tube (3), and the second fixture block (7) is positioned in the protective sleeve (5) and matched with the fixed buckle assembly (6).

2. The infusion needle with the protective sheath as claimed in claim 1, wherein: the transfusion needle (1) is provided with a wing panel (9).

3. The infusion needle with the protective sheath as claimed in claim 2, wherein: the front side surface and the rear side surface of the wing piece (9) are respectively provided with anti-skid corrugations.

4. The infusion needle with the protective sheath as claimed in claim 2, wherein: the side of lag (5) is equipped with spout (8), the width of spout (8) is greater than the thickness of fin (9).

5. The infusion needle with the protective sheath as claimed in claim 1, wherein: fixed knot subassembly (6) include two springs (601), two spring-loaded chambeies (602) and two fixed blocks (603), two the left and right sides of lag (5) downside is located in spring-loaded chambeies (602), two the inside in two spring-loaded chambeies (602) is installed respectively in spring (601), two the one end of fixed block (603) is respectively with two spring (601) relative one end fixed connection, two the one end upside that spring (601) were kept away from in fixed block (603) is equipped with the direction inclined plane.

6. The infusion needle with the protective sheath as claimed in claim 5, wherein: and an inclined plane matched with the guide inclined plane of the fixing block (603) is arranged on the lower side of the second clamping block (7).

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