CN215134859U

CN215134859U - Prevent cross infection's infusion port needle

Info

Publication number: CN215134859U
Application number: CN202121419137.2U
Authority: CN
Inventors: 罗佳; 曾令娟; 潘沁汶
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: Nanfang Hospital; First Affiliated Hospital of Army Medical University
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-14
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a prevent cross infection's infusion port syringe needle, including needle tubing, needle handle and needle bar, the needle bar with the needle handle is the right angle, still includes guide bar, promotion subassembly, locking mechanism, set dish and connecting rod, and the both ends of guide bar are passed through first support and second support setting under the needle handle, and the promotion subassembly has elasticity to gliding cover that can be free is established on the guide bar, and locking mechanism sets up on the second support for will promote the subassembly locking in second support one side, after locking mechanism loosens, promote the subassembly and can move to first support direction. The sleeve disc can be sleeved on the needle rod in a sliding mode, and when the pushing assembly is located on one side of the second support, the sleeve disc is located at the top end of the needle rod. One end of the connecting rod is hinged to the pushing assembly, and the other end of the connecting rod is hinged to the sleeve disc.

Description

Prevent cross infection's infusion port needle

Technical Field

The utility model relates to a prevent the infection field, concretely relates to prevent cross infection's infusion port needle.

Background

Clinically, chemotherapy drugs need to be input into the infusion port, when the input port is placed, the infusion port seat needs to be placed into a human body firstly, then a needle of the infusion port is connected to the infusion port, then the infusion port indwelling needle penetrates through the skin and is inserted into the infusion port seat, after the placement of the infusion port indwelling needle is completed, the needle of the infusion port needs to be pulled out, however, the situation that the needle point of the infusion port punctures a patient or medical staff easily in the process of pulling out the needle is found clinically, and therefore cross infection is caused; meanwhile, the transfusion port needle is inserted into the transfusion port seat in the insertion process, the insertion distance is relatively deep, and the needle needs to be pulled out with great strength when pulled out, so that the pulling-out strength and stability are not easy to grasp, and the probability that the needle tip injures a person is further improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a prevent cross infection's infusion port needle, can effectually prevent to injure the people at the in-process needle point that pulls out the needle at infusion port syringe needle, and then the risk of handing over cross infection.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an infusion port needle that prevents cross-infection comprising:

including needle tubing, needle handle and needle bar, the left and right sides of needle handle is provided with the left wing and the right wing respectively, the needle bar with the needle handle is the right angle, its characterized in that still includes:

the two ends of the guide rod are arranged right below the needle handle through a first support and a second support, the guide rod is parallel to the needle handle and is arranged at intervals, the first support is positioned at one side close to the needle rod, and the second support is positioned at one side far away from the needle rod;

the pushing assembly is elastic and can be freely sleeved on the guide rod in a sliding manner;

the locking mechanism is arranged on the second bracket and used for locking the pushing assembly on one side of the second bracket, and when the locking mechanism is released, the pushing assembly can move towards the direction of the first bracket;

the sleeve disc is sleeved on the needle rod in a sliding manner, and when the pushing assembly is positioned on one side of the second support, the sleeve disc is positioned at the top end of the needle rod; and

the connecting rod, connecting rod one end with the pushing component is articulated, and the other end with the cover dish is articulated, works as the pushing component is followed second support one end moves to when second support one end, the cover dish cover is established on the needle point of needle bar.

Further, a balancing weight is arranged in the sleeve disc.

Further, the pushing assembly comprises a pushing disc and a first elastic piece; the push disc is sleeved on the guide rod in a sliding mode, the connecting rod is hinged to the edge of the push disc, one end of the first elastic piece is connected to the push disc, and the other end of the first elastic piece is connected with the second support.

Further, the locking mechanism comprises a hook, a second elastic piece and a bolt; the couple sets up push away on the dish to be located towards second support one side, the mounting groove has radially been seted up along it on the second support, the second elastic component sets up the tank bottom of mounting groove, bolt one end with the end connection of second elastic component, other one end extends to outside the mounting groove, when first elastic component is in the shrink state, the couple can be hung and is established the tip of bolt.

Further, the cross section of mounting groove is T shape, just the tip of mounting groove is located keep away from needle bar one side, and with the external world intercommunication of support, the bolt is located in the main aspects of mounting groove, be provided with the handle on the bolt, just the handle is followed tip one side of mounting groove extends to outside the second support.

Furthermore, the inner wall of the sleeve disc is provided with a ball, and the ball is in rolling connection with the outer wall of the needle rod.

The utility model has the advantages that:

above-mentioned prevent cross infection's infusion port needle, including needle tubing, needle handle and needle bar, the left and right sides of needle handle is provided with the left wing and the right wing respectively, and the needle bar is the right angle with the needle handle, still includes the guide bar, promotes the subassembly, locking mechanism, set dish and connecting rod, and the both ends of guide bar are passed through first support and second support setting under the needle handle to parallel with the needle handle, the interval sets up, and first support is located and is close to needle bar one side, and the second support is located and keeps away from needle bar one side. The pushing assembly is elastic and can freely slide to be sleeved on the guide rod and is used for pushing the sleeve disc to be sleeved on the needle point or to be away from the needle point. The locking mechanism is arranged on the second support and used for locking the pushing assembly on one side of the second support, and when the locking mechanism is loosened, the pushing assembly can move towards the direction of the first support. The sleeve disc can be sleeved on the needle rod in a sliding mode, and when the pushing assembly is located on one side of the second support, the sleeve disc is located at the top end of the needle rod. One end of the connecting rod is hinged with the pushing assembly, the other end of the connecting rod is hinged with the sleeve disc, and when the pushing assembly moves from one end of the second support to one end of the second support, the sleeve disc is sleeved on the needle point of the needle rod.

When the needle pulling device is in a normal state, the pushing assembly is close to one side of the second support by the locking mechanism, meanwhile, the sleeve disc is pulled to the top end of the needle rod through the connecting rod, when the needle is pulled out, the locking mechanism is pressed firstly to unlock the locking mechanism, the pushing assembly moves towards the first support and drives the connecting rod to move, and when the pushing assembly moves to one end of the second support from one end of the second support, the sleeve disc is just sleeved on the needle point of the needle rod. When the needle point is completely separated from the skin, the sleeve disc can be sleeved on the needle point at the same time, so that the needle point is prevented from hurting people.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of a cross-infection prevention infusion port needle according to an embodiment of the present invention;

FIG. 2 is a perspective view of a cross infection prevention access port needle of FIG. 1;

FIG. 3 is a partial schematic view of the pusher assembly and locking mechanism of the anti-cross contamination access port needle of FIG. 1;

reference numerals:

100. a needle tube; 200. a needle handle; 210. a left wing; 220. a right wing; 300. a needle bar; 400. a guide bar; 410. a first bracket; 420. a second bracket; 421. mounting grooves; 500. a pushing assembly; 510. pushing the disc; 520. a first elastic member; 600. a locking mechanism; 610. hooking; 620. a second elastic member; 630. a bolt; 640. a handle; 700. sleeving a disc; 800. a connecting rod.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 3, the present invention provides a cross infection prevention infusion port needle, which comprises a needle tube 100, a needle handle 200, a needle bar 300, a left wing 210 and a right wing 220 respectively disposed on the left and right sides of the needle handle 200, and a right angle between the needle bar 300 and the needle handle 200, and further comprises a guide rod 400, a pushing assembly 500, a locking mechanism 600, a sleeve disc 700, and a connecting rod 800, wherein the needle can be protected when the infusion port needle is pulled out, so as to avoid cross infection.

Specifically, the two ends of the guide rod 400 are disposed directly below the needle handle 200 through a first bracket 410 and a second bracket 420, and are disposed in parallel with and spaced from the needle handle 200, the first bracket 410 is located at a side close to the needle bar 300, and the second bracket 420 is located at a side far from the needle bar 300. The pushing assembly 500 is elastic and can freely slide to fit over the guiding rod 400 to push the sleeve plate 700 to fit over the needle tip or away from the needle tip. The locking mechanism 600 is disposed on the second bracket 420 for locking the push assembly 500 at one side of the second bracket 420, and when the locking mechanism 600 is released, the push assembly 500 can move toward the first bracket 410 under the action of elastic force. The sleeve disc 700 can be slidably sleeved on the needle bar 300, and when the pushing assembly 500 is positioned at one side of the second bracket 420, the sleeve disc 700 is positioned at the top end of the needle bar 300. The link 800 has one end hinged to the pushing assembly 500 and the other end hinged to the sleeve 700, and when the pushing assembly 500 moves from one end of the second bracket 420 to one end of the second bracket 420, the sleeve 700 is sleeved on the needle tip of the needle shaft 300.

In this embodiment, in order to facilitate the sliding of the sleeve, a weight block is disposed in the sleeve 700. When the needle bar 300 is pulled out vertically, the driving force of the downward sliding is increased under the action of the balancing weight of the sleeve disc 700.

In a normal state, the pushing assembly 500 is locked at one side of the second bracket 420 by the locking mechanism 600, meanwhile, the sleeve disc 700 is pulled to the top end of the needle bar 300 through the connecting rod 800, when the needle needs to be pulled out, the locking mechanism 600 is firstly pressed to unlock the locking mechanism 600, the pushing assembly 500 moves towards the first bracket 410 and drives the connecting rod 800 to move, and when the pushing assembly 500 moves from one end of the second bracket 420 to one end of the second bracket 420, the sleeve disc 700 is just sleeved on the needle point of the needle bar 300. After the needle point is separated from the skin, the sleeve disc 700 can be sleeved on the needle point, so that the needle point is prevented from hurting people.

In the present embodiment, the push assembly 500 includes a push plate 510 and a first elastic member 520. The push plate 510 is slidably sleeved on the guide rod 400, the connecting rod 800 is hinged to the edge of the push plate 510, one end of the first elastic member 520 is connected to the push plate 510, and the other end is connected to the second bracket 420. The locking mechanism 600 includes a hook 610, a second elastic member 620, and a latch 630. The hook 610 is arranged on the push disc 510 and located on one side facing the second support 420, the second support 420 is provided with a mounting groove 421 along the radial direction thereof, the second elastic member 620 is arranged at the bottom of the mounting groove 421, one end of the latch 630 is connected with the end of the second elastic member 620, the other end extends out of the mounting groove 421, and when the first elastic member 520 is in a contracted state, the hook 610 can be hung at the end of the latch 630.

After leaving the factory and before pulling out the needle, the first elastic element 520 is in a contraction state, the push disc 510 is located at one side close to the second support 420, at the moment, the hook 610 is hung on the bolt 630, the sleeve disc 700 is located at the top of the needle rod 300, when the needle needs to be pulled out, the bolt 630 is driven to retract into the mounting groove 421 while the needle is pulled out, the hook 610 is separated from the bolt 630, the first elastic element 520 is bounced open, the push disc 510 can be pushed to move towards the direction of the needle rod 300, the sleeve disc 700 is driven to move towards the direction of the needle point through the connecting rod 800, and after the needle point is completely separated from the skin, the sleeve disc 700 can be sleeved on the needle point, so that the needle point is prevented from hurting people.

In a preferred embodiment, the cross section of the mounting groove 421 is T-shaped, the small end of the mounting groove 421 is located at a side far away from the needle bar 300 and communicates with the outside of the bracket, the latch 630 is located in the large end of the mounting groove 421, the handle 640 is arranged on the latch 630, and the handle 640 extends from the small end of the mounting groove 421 to the outside of the second bracket 420. When in use, the latch 630 can be conveniently driven to retract into the mounting groove 421 by lifting the handle 640.

In addition, balls (not shown) are provided on the inner wall of the sleeve plate 700, and the balls are roll-connected to the outer wall of the needle bar 300. The ball can prevent the jamming between the sleeve 700 and the needle bar 300.

The use mode of the transfusion port needle for preventing cross infection comprises the following steps:

when the needle needs to be pulled out, a finger of a hand holding the needle handle 200 is hooked on the handle 640, the handle 640 is lifted up by pressing the needle, so that the hook 610 is separated from the bolt 630, the locking mechanism 600 is unlocked, the push disc 510 moves towards the first support 410 and drives the connecting rod 800 to move, the sleeve disc 700 is pushed towards the needle point through the connecting rod 800, and when the needle point is completely separated from the skin, the sleeve disc 700 is sleeved on the needle point, so that the needle point is prevented from hurting people.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a prevent cross infection's infusion port needle, includes needle tubing, needle handle and needle bar, the left and right sides of needle handle is provided with left wing and right wing respectively, the needle bar with the needle handle is the right angle, its characterized in that still includes:

2. The port for preventing cross-infection according to claim 1, wherein a weight is provided in the hub.

3. The port for preventing cross-infection according to claim 1, wherein the pushing assembly comprises a pushing disk and a first elastic member; the push disc is sleeved on the guide rod in a sliding mode, the connecting rod is hinged to the edge of the push disc, one end of the first elastic piece is connected to the push disc, and the other end of the first elastic piece is connected with the second support.

4. The port for preventing cross-infection according to claim 3, wherein the locking mechanism comprises a hook, a second elastic member and a latch; the couple sets up push away on the dish to be located towards second support one side, the mounting groove has radially been seted up along it on the second support, the second elastic component sets up on the tank bottom of mounting groove, bolt one end with the end connection of second elastic component, other one end extends to outside the mounting groove, works as when first elastic component is in the shrink state, the couple can be hung and is established the tip of bolt.

5. The anti-cross-infection port needle according to claim 4, wherein the mounting groove has a T-shaped cross section, a small end of the mounting groove is located on a side away from the needle shaft and communicates with the outside of the holder, the latch is located in a large end of the mounting groove, a handle is provided on the latch, and the handle extends from the small end of the mounting groove to the outside of the second holder.

6. The anti-cross-infection port needle as claimed in any one of claims 1 to 5, wherein the inner wall of the sleeve disk is provided with a ball, and the ball is in rolling connection with the outer wall of the needle shaft.