CN213724054U

CN213724054U - A multicavity syringe needle for PICC dashes and seals pipe

Info

Publication number: CN213724054U
Application number: CN202022218615.5U
Authority: CN
Inventors: 郭茹
Original assignee: Second Hospital Iaxing
Current assignee: Second Hospital Iaxing
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-20
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a multicavity syringe needle for PICC dashes and seals pipe, including a fixed plate, a promotion subassembly, two at least supporting components and two at least syringes, the fixed plate up end undercut be provided with the sliding tray, the supporting component sets up in the sliding tray and can be at sliding tray internal transverse motion, the horizontally setting of syringe is on the supporting component, the promotion subassembly sets up on the fixed plate and is located the syringe afterbody, the promotion subassembly includes two curb plates and a push pedal, the push pedal sets up between two curb plates and can follow the push pedal and move toward the syringe direction, the push pedal can drive the syringe and inject the action. The utility model discloses realize synchronous washing pipe, whole nimble adjustable, convenient to use.

Description

A multicavity syringe needle for PICC dashes and seals pipe

Technical Field

The utility model belongs to the technical field of medical accessories, concretely relates to multicavity syringe needle that is used for PICC to wash and seals pipe.

Background

At present, a PICC (peripherally inserted central catheter) is also called as a positive pressure pulse type catheter, the PICC indicates that a central vein is placed through peripheral venipuncture, a pipeline must be flushed immediately after each time of venous transfusion, drug administration, venous blood collection and central venous pressure measurement, catheter blockage is prevented, and common medicines are flushed 1 time every 12 hours; infusing parenteral nutrition, fat emulsion, albumin and other intravenous nutrition preparations, flushing the catheter 1 time every 4 hours, and sealing the catheter by using a positive pressure tube sealing technology after flushing the pipeline so as to prevent the blood from flowing into the tip of the catheter and causing the catheter to be blocked. For a double-cavity or multi-cavity PICC flushing and sealing tube, a plurality of syringes are required to be used for injecting and sealing the PICC flushing and sealing tube, and for convenience of operation, some auxiliary devices are already provided, for example, a double-channel constant-speed auxiliary flushing device for a double-cavity PICC catheter is disclosed in the patent No. CN208693914U, the device comprises a shell and a push rod, a piston cavity is arranged in the middle of the shell, syringe placing cavities matched with the syringes in size are arranged on two sides of the shell, the bottom ends of the piston cavity and the syringe placing cavities are both opened, an air outlet hole is formed in the top of the piston cavity, a rubber piston is arranged at the top of the push rod, the rubber piston is arranged in the piston cavity, and a push plate is arranged at the bottom end of the push rod, which extends out of the piston cavity; the syringe is placed the chamber top and is equipped with the through-hole, and the top nipple of syringe is worn out the syringe from through-hole department and is placed the chamber, then with two-chamber PICC pipe connection, has realized two pipelines simultaneously at the uniform velocity towards the purpose of sealing the pipe, takes precautions against the two-chamber pipe because the blood return that the pressure difference arouses, reduces the emergence of the stifled pipe of hemagglutination.

However, two syringes have been fixed to above-mentioned structure, and the adaptation is washed in two-chamber PICC and is sealed the pipe, can't be applicable to three-chamber and above PICC and wash and seal the pipe, and application range is limited, and the distance between the syringe is fixed unadjustable, and the PICC washes and seals the distance between each cavity between the pipe and can't guarantee unanimously, is difficult to cooperate the injection, can't satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a weak point in order to avoid prior art to exist provides a nimble adjustable is used for PICC to dash multicavity injection auxiliary device of sealing pipe.

The utility model provides a technical problem adopt following technical scheme: the utility model provides a multicavity syringe needle for PICC dashes and seals pipe, includes a fixed plate, one promotes subassembly, two at least supporting components and two at least syringes, the fixed plate up end undercut be provided with the sliding tray, the supporting component sets up in the sliding tray and can be in sliding tray lateral motion, the horizontally setting of syringe is on the supporting component, it sets up on the fixed plate and is located the syringe afterbody to promote the subassembly, it includes two curb plates and a push pedal to promote the subassembly, the push pedal sets up between two curb plates and can follow the push pedal and move towards the syringe direction, the push pedal can drive the syringe and inject the action.

In one embodiment, the support assembly comprises a sliding plate, a middle fixing plate and a front fixing plate, the front fixing plate and the middle fixing plate are respectively arranged at two ends of the upper end surface of the sliding plate, the upper end surface of the middle fixing plate is provided with a support groove which is concave downwards, a limit hole is penetratingly arranged on the front fixing plate, the syringe is placed on the support groove, the head of the syringe is inserted into the limit hole, and the needle head penetrates through the limit hole and extends to the outer side of the front fixing plate.

In one embodiment, the supporting groove is arc-shaped, and the inner wall of the supporting groove is in contact with the tube wall of the injector.

In one embodiment, the limiting hole is in a round table shape, the diameter of one end, close to the middle fixing plate, of the limiting hole is larger than that of one end, far away from the middle fixing plate, of the limiting hole, and the diameter of one end, far away from the middle fixing plate, of the limiting hole is smaller than the outer diameter of the syringe.

In one embodiment, the sliding plates are arranged in the sliding grooves, two ends of each sliding plate are in contact with the inner wall of the sliding groove, and the sliding plates can move linearly and move close to or away from each other along the sliding grooves.

In one embodiment, the side plate is provided with a sliding groove along the length direction, and two ends of the push plate are inserted into the sliding groove.

In one embodiment, a stress rod is arranged at one end of the side plate close to the pushing assembly, and the stress rod faces the outside of the fixing plate.

The utility model discloses a fixed plate, promotion subassembly, supporting component matched with structure can place a plurality of syringes and inject the operation simultaneously, satisfies the demand of the PICC flushing and sealing pipe of two-chamber, three-chamber or even four-chamber. The supporting assemblies can move in the fixing plate to adjust the distance between the supporting assemblies, then the distance between corresponding syringes is adjusted, the supporting assemblies are matched with cavities with different distances, and the use is flexible and convenient.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

Fig. 1 schematically shows the overall structure according to an embodiment of the invention;

figure 2 schematically illustrates a structure of a support assembly incorporating a syringe according to an embodiment of the present invention;

fig. 3 schematically shows the overall structure of a support assembly according to an embodiment of the invention;

fig. 4 schematically shows a sectional structure of a front fixing plate according to an embodiment of the present invention;

figure 5 schematically illustrates a cross-sectional structure of a pushing assembly according to an embodiment of the invention;

fig. 6 schematically shows the structure of a side plate according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and 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.

Therefore, the following detailed description of the embodiments of the present invention, which is provided in connection with the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive effort based on the embodiments of the present invention are within the scope of the invention.

The terminology used herein is for the purpose of explaining the embodiments and is not intended to limit and/or define the invention. It is to be understood that the terms "front", "back", "left", "right", "up", "down", and the like, refer to an orientation or positional relationship based on the drawings, or an orientation or positional relationship that is conventionally found when the utility model is used, or an orientation or positional relationship that is conventionally understood by those skilled in the art, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to fig. 1 to 6.

Fig. 1 is a schematic top view of a multi-lumen injection aid (multi-lumen needle) for a PICC flush tube according to this embodiment.

Fig. 2 is a schematic structural view of the support assembly in combination with the syringe in this embodiment.

Fig. 3 is a schematic view of the overall structure of the support assembly in this embodiment.

Fig. 4 is a schematic cross-sectional view of the front fixing plate according to the present embodiment.

Fig. 5 is a schematic cross-sectional view of the pushing assembly in this embodiment.

Fig. 6 is a schematic plan view of the side plate in this embodiment.

According to the utility model discloses a multicavity syringe needle for PICC flush tube of an embodiment mainly includes a fixed plate 100, one promotes subassembly 200, three supporting component 300 and three syringe 400, and three syringe is placed respectively in three supporting component, unifies the injection operation that promotes the syringe by promoting the subassembly.

Specifically, the fixed plate 100 upper end face undercut is provided with the sliding tray 110, supporting component 300 sets up in sliding tray 110 and can be in sliding tray 110 lateral motion, the horizontally setting of syringe 400 is on supporting component 300, it sets up on fixed plate 100 and is located the syringe 400 afterbody to promote subassembly 200, it includes two curb plates 210 and a push pedal 220 to promote subassembly 200, push pedal 220 sets up between two curb plates 210 and can follow push pedal 220 and move towards syringe 400 direction, push pedal 220 can drive syringe 400 and carry out the injection action.

Wherein, the supporting component 300 comprises a sliding plate 310, a middle fixing plate 320 and a front fixing plate 330, the front fixing plate 330 and the middle fixing plate 320 are respectively arranged at two ends of the upper end surface of the sliding plate 310, the upper end surface of the middle fixing plate 320 is provided with a supporting groove 321 which is recessed downwards, the front fixing plate 330 is provided with a limiting hole 331 which penetrates through, the injector 400 is placed on the supporting groove 321, the head of the injector 400 is inserted into the limiting hole 331 and the needle passes through the limiting hole 331 and extends to the outer side of the front fixing plate 330, concretely, the sliding plate 310 is arranged in the sliding groove 110, two ends of the sliding plate 310 are contacted with the inner wall of the sliding groove 110, the sliding plates 310 can perform linear motion which is close to or far away from each other along the sliding groove 110, that is, the pushing direction of the injector is taken as the front-back direction as the standard, the sliding plate can only perform linear motion in the left-right direction, so as to drive the left and right movement of the syringes, thereby adjusting the space between the syringes.

The supporting groove 321 is arc-shaped, and may be semi-cylindrical, and can just accommodate half of the syringe, and the inner wall of the supporting groove 321 contacts with the tube wall of the syringe 400, that is, the inner diameter of the supporting groove is equal to the outer diameter of the syringe.

The limiting hole 331 is in a circular truncated cone shape, the diameter of one end, close to the middle fixing plate 320, of the limiting hole 331 is larger than the diameter of one end, far away from the middle fixing plate 320, of the limiting hole 331, and the diameter of one end, far away from the middle fixing plate 320, of the limiting hole 331 is smaller than the outer diameter of the syringe 400. The tube body of the injector can not penetrate through the limiting hole, the circle center of the limiting hole and the circle center of the injector are located on the same circle center line, when the head of the injector is inserted into the limiting hole, the injector is pushed forwards, the needle head is exposed, and the head of the injector is clamped in the limiting hole, so that a certain fixing effect is realized.

Wherein, along length direction's being provided with spout 211 on curb plate 210, and spout 211 one end extends to the terminal surface of curb plate (keeping away from supporting component one end), and the other end then with another terminal surface of curb plate (being close to supporting component one end) between have the distance, push pedal 220 both ends insert in spout 211, make things convenient for the push pedal to insert through the spout and use between the curb plate, avoid promoting the in-process push pedal simultaneously and break away from the curb plate forward, guarantee that the stability of operation goes on.

Meanwhile, a force receiving rod 250 is provided on the side plate 210 at an end adjacent to the push assembly 200, the force receiving rod 250 facing the outside of the fixing plate 100. The stress rod 250 is vertically arranged on the outer side surface of the side plate (the left side surface and the right side surface of the left side plate and the right side plate), so that the stress rod can be hooked by fingers such as forefingers conveniently to be stressed, and then the push plate can be pushed by the thumb conveniently.

The utility model discloses when using, according to the order with the syringe, the level is placed on the middle part fixed plate, then promotes forward, exposes anterior fixed plate and can't continue to promote forward until the syringe needle, then according to the distance between the cavity of multicavity PICC towards the seal pipe, promotes the distance between the adjustment supporting component, then assembles the syringe needle to PICC towards the seal pipe, promotes the push pedal and can carry out the injection operation.

It should be noted that, in the present invention, the unexplained connection mode between the components can be the connection mode commonly used in the field.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multicavity syringe needle for PICC dashes and seals pipe which characterized in that, includes a fixed plate, a promotion subassembly, two at least supporting components and two at least syringes, the fixed plate up end undercut be provided with the sliding tray, the supporting component sets up in the sliding tray and can be in the sliding tray lateral motion, the horizontal setting of syringe is on the supporting component, the promotion subassembly sets up on the fixed plate and is located the syringe afterbody, the promotion subassembly includes two curb plates and a push pedal, the push pedal sets up between two curb plates and can follow the push pedal and move towards the syringe direction, the push pedal can drive the syringe and carry out the injection action.

2. The multi-cavity needle for the PICC flushing and sealing tube of claim 1, wherein the supporting assembly comprises a sliding plate, a middle fixing plate and a front fixing plate, the front fixing plate and the middle fixing plate are respectively arranged at two ends of the upper end surface of the sliding plate, the upper end surface of the middle fixing plate is provided with a supporting groove which is concave downwards, a limiting hole is penetratingly arranged on the front fixing plate, the syringe is placed on the supporting groove, the head of the syringe is inserted into the limiting hole, and the needle passes through the limiting hole and extends to the outside of the front fixing plate.

3. The multi-lumen needle for a PICC flush tube of claim 2, wherein the support slot is arcuate in shape and an inner wall of the support slot contacts a wall of the syringe.

4. The multi-lumen needle for the PICC flush tube according to claim 2, wherein the limiting hole is frustoconical, the diameter of the limiting hole at the end close to the middle fixing plate is larger than the diameter of the limiting hole at the end far from the middle fixing plate, and the diameter of the limiting hole at the end far from the middle fixing plate is smaller than the outer diameter of the syringe.

5. The multi-lumen needle for a PICC flush tube of claim 2, wherein the slide plate is disposed within the slide channel, both ends of the slide plate contacting the inner wall of the slide channel, the slide plate being linearly movable toward and away from each other along the slide channel.

6. The multi-lumen needle for the PICC flush tube of claim 1, wherein the side plate is provided with a sliding slot along a length direction thereof, and both ends of the push plate are inserted into the sliding slot.

7. The multi-lumen needle for a PICC flush tube of claim 6, wherein the side plate is provided with a force bar at an end thereof adjacent to the push assembly, the force bar being oriented outwardly of the fixation plate.