CN220327778U

CN220327778U - PICC pipe fixing device

Info

Publication number: CN220327778U
Application number: CN202320232212.7U
Authority: CN
Inventors: 王洁; 余有惠; 范红英; 曾琳
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2024-01-12
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to the technical field of supporting and fixing devices of medical upper catheters, and provides a PICC catheter fixing device which comprises a base, wherein a connecting component used for fixing the base on an arm of a patient is arranged on the base, a lower fixing block is arranged on the base, the top of the lower fixing block is detachably connected with an upper fixing block, a cavity through which a catheter can pass is formed between the upper fixing block and the lower fixing block, the top of the upper fixing block is provided with a fixing component used for pressing the catheter, the fixing component comprises a pressing block arranged in the cavity, the top of the pressing block is connected with a guide rod, the guide rod is in sliding connection with the upper fixing block, a top block is arranged above the guide rod, and a first elastic piece is arranged between the top block and the top of the guide rod. The PICC catheter fixing device can adapt to PICC catheters of different types through one set of fixing device, and the use cost is greatly saved.

Description

PICC pipe fixing device

Technical Field

The utility model relates to the technical field of supporting and fixing devices of medical catheters, in particular to a PICC catheter fixing device.

Background

The PICC is a central venous catheter which is put into peripheral veins, punctures from veins of peripheral arms by using the catheter, and the catheter directly enters veins near the heart, so that the direct contact between a chemotherapeutic medicine and the veins of the arms is avoided, and the chemotherapeutic medicine can be rapidly diluted along with rapid increase of venous blood flow, so that the irritation of the medicine to the veins is prevented.

One end of the catheter outside the body needs to be fixed on an arm to avoid discomfort to a patient caused by pulling and shaking, at present, the catheter is fixed through a fixing device (a fixer) which can be bound on the arm, for example, a PICC catheter fixing device is disclosed in a patent with a publication number of CN215386878U, a PICC catheter maintenance fixer for chemotherapy is disclosed in a patent with a publication number of CN217311557U, and the PICC catheter maintenance fixer for chemotherapy is formed by matching two fixing blocks with semicircular fixing cavities to form a circular fixing cavity.

Although the fixing of the catheter can be realized in the prior art, the diameter of the catheter is usually between 0.3mm and 0.6mm and is of various types, the fixing mode of the prior art can only fix the catheter of one type, if the catheter of different types needs to be fixed, the fixing mode can only be adapted by arranging a plurality of sets of different fixing devices (fixing devices), and the use cost is increased.

Disclosure of Invention

The utility model aims to provide a PICC catheter fixing device which solves the technical problem that the use cost is increased because the prior art can only adapt to a plurality of different fixing devices.

The embodiment of the utility model is realized by the following technical scheme:

the utility model provides a PICC pipe fixing device, including the base, be equipped with on the base and be used for fixing the coupling assembling on patient's arm with the base, be equipped with down the fixed block on the base, lower fixed block top detachably is connected with the fixed block, go up the cavity that is formed with between fixed block and the lower fixed block and can supply the pipe to pass, the top of going up the fixed block is equipped with the fixed subassembly that is used for compressing tightly the pipe, the fixed subassembly is including locating the briquetting in the cavity, the top of briquetting is connected with the guide bar, guide bar and last fixed block sliding connection, the top of guide bar is equipped with the kicking block, be equipped with first elastic component between the top of kicking block and guide bar.

Optionally, the top of going up the fixed block is equipped with the regulation seat, the top rotation of kicking block is connected with the regulation pole, adjusts pole and regulation seat through threaded connection, and the top of adjusting the pole is equipped with the knob.

Optionally, one side of the upper fixing block is hinged with the lower fixing block, and the other side of the upper fixing block is connected with the lower fixing block through a clamping assembly.

Optionally, the joint subassembly includes mutually supporting fixed wedge and movable wedge, fixed wedge with fixed block fixed connection down, the bottom of fixed block is equipped with the connecting block in the one side that the movable wedge kept away from fixed wedge down, fixedly connected with second elastic component between connecting block and the movable wedge.

Optionally, a push rod for pushing the movable wedge block away from the fixed wedge block is arranged on the fixed wedge block.

Optionally, the push rod with fixed wedge sliding connection, the push rod is close to the one end of movable wedge is equipped with the ejector pad, and the one end that the push rod kept away from movable wedge is equipped with the button, is equipped with the third elastic component between button and the fixed wedge.

Optionally, the coupling assembling includes two bandages, the one end of two bandages all with the base is connected, and the other end of two bandages is connected through the magic subsides.

The utility model has at least the following advantages and beneficial effects: according to the PICC catheter fixing device, the pressing block, the guide rod and the first elastic piece are arranged to be mutually matched, when the PICC catheter fixing device is used, the PICC catheter is placed in the cavity, the pressing block presses the PICC catheter under the action of the first elastic piece, the first elastic piece can be compressed, the PICC catheter fixing device can adapt to PICC catheters of different types (namely different diameters), and compared with the prior art, one fixing device can be used for fixing PICC catheters of different types, and therefore the use cost is greatly saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a PICC catheter securement device provided by the present utility model;

FIG. 2 is a bottom cross-sectional view of a PICC catheter securement device provided by the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

icon: the device comprises a base, a cushion, a lower fixing block, an upper fixing block, a connecting block, a cavity, a fixing component, a pressing block, a guide rod, a top block, a first elastic piece, a regulating seat, a regulating rod, a knob, a clamping component, a fixed wedge block, a movable wedge block, a second elastic component, a push rod, a push block, a button, a third elastic piece, a binding band, a hook surface and a sticking surface.

Detailed Description

Referring to fig. 1-2, a PICC catheter fixing device includes a base 1, and a cushion 2 (e.g. silicone, latex, etc.) is provided on a side of the base 1 contacting an arm in the present embodiment to improve comfort. The base 1 is provided with a connecting component for fixing the base 1 on the arm of a patient.

The connecting component of the embodiment comprises two binding bands 12, one ends of the two binding bands 12 are connected with the base 1, the other ends of the two binding bands 12 are connected through a magic tape, specifically, one end, far away from the base 1, of one binding band 12 is provided with a magic tape hook surface 13, the other end, far away from the base 1, of the other binding band 12 is provided with a magic tape adhesive surface 14, and when the connecting component is used, the two binding bands 12 are bound on an arm, and then the magic tape hook surface 13 and the magic tape adhesive surface 14 are adhered together to fix the fixing device on the arm. Further, the length of the hook-and-loop adhesive surface 14 of this embodiment is greater than the length of the hook-and-loop adhesive surface 13, so that the tightness of the binding band 12 can be adjusted in a certain range, and the hook-and-loop adhesive surface is suitable for arms with different thicknesses, and it is easy to understand that the length of the hook-and-loop adhesive surface 13 can be greater than the length of the hook-and-loop adhesive surface 14 to achieve this.

Furthermore, in other embodiments of the utility model, the connection assembly may be in other forms as in the prior art.

Referring to fig. 2-3, a lower fixing block 3 is disposed on the base 1, an upper fixing block 4 is detachably connected to the top of the lower fixing block 3, a cavity 5 through which a catheter can pass is formed between the upper fixing block 4 and the lower fixing block 3, a fixing component 6 for compressing the catheter is disposed on the top of the upper fixing block 4, the fixing component 6 includes a pressing block 601 disposed in the cavity 5, a guide rod 602 is connected to the top of the pressing block 601, the guide rod 602 is slidably connected with the upper fixing block 4, a top block 603 is disposed above the guide rod 602, a first elastic member 604 is disposed between the top block 603 and the top of the guide rod 602, and the first elastic member 604 is preferably a spring, or may be another elastic member such as rubber.

When the PICC catheter compression device is used, under the action of the first elastic piece 604, the pressing block 601 keeps pressing towards the PICC catheter, so that the PICC catheter is compressed and fixed, and the first elastic piece 604 can be compressed and compressed, so that the PICC catheter compression device can adapt to PICC catheters of various different types, and compared with the prior art, the PICC catheter compression device can fix PICC catheters of various different types by one set of fixing device, and therefore the use cost is greatly saved.

The briquetting 601 of this embodiment contacts personally submitting the arc concavity of PICC pipe and is equipped with the rubber pad, increases friction, is convenient for fix the PICC pipe better.

Further, the top of the upper fixed block 4 is provided with an adjusting seat 605, the top of the top block 603 is rotatably connected with an adjusting rod 606, the adjusting rod 606 is connected with the adjusting seat 605 through threads, and the top of the adjusting rod 606 is provided with a knob 607. It should be noted that, because the greater the compression degree of the first elastic member 604, the greater the compression force provided, the more up or down the top block 603 can be moved by rotating the adjusting lever 606, on one hand, the pre-compression force can be adjusted when the PICC catheters with the same model are fixed, and on the other hand, the same pre-compression force can be ensured by adjusting the position of the top block 603 when the PICC catheters with different models are fixed, so that the damage to the PICC catheters or the influence on the liquid medicine conveying due to the overlarge compression force when the PICC catheters with a small diameter are fixed is avoided, i.e. the safety of the fixing device is improved.

In some embodiments of the present utility model, the upper fixing block 4 and the lower fixing block 3 may be detachably connected by a screw connection or the like. In this embodiment, the hinge is realized by hinging (for example, loose-leaf connection, connection of pin shaft and pin hole matching mode, etc.) one side of the upper fixing block 4 with the lower fixing block 3, the other side of the upper fixing block 4 is connected with the lower fixing block 3 through the clamping assembly 7, and when in use, the upper fixing block 4 can rotate around the hinged side by separating the clamping assembly 7, so that the cavity 5 is opened, and the PICC catheter is convenient to take and place.

Referring to fig. 3 to 4, specifically, the clamping assembly 7 includes a fixed wedge 701 and a movable wedge 702 that are matched with each other, the fixed wedge 701 is fixedly connected with the lower fixed block 3, that is, the fixed wedge 701 and the lower fixed block 3 form a whole, the movable wedge 702 can move towards a direction close to or far away from the fixed wedge 701, a connecting block 401 is disposed at a side of the movable wedge 702 far away from the fixed wedge 701 at the bottom of the lower fixed block 3, the connecting block 401 and the upper fixed block 4 form a whole, a second elastic member is fixedly connected between the connecting block 401 and the movable wedge 702, and the second elastic member is preferably a spring, or may be other elastic members such as rubber.

It should be noted that, under the action of the second elastic member, the movable wedge 702 keeps matching with the fixed wedge 701, the upper fixed block 4 cannot be opened under the action of no external force, when the upper fixed block 4 needs to be opened, the upper fixed block 4 is pulled to rotate around the hinge, the second elastic member is extruded, the movable wedge 702 is separated from the fixed wedge 701, and the upper fixed block 4 can be opened, and in order to facilitate pulling the upper fixed block 4, a handle (not shown) may be provided on the upper fixed block 4.

The fixed wedge 701 of the embodiment is provided with the push rod 8 for pushing the movable wedge 702 away from the fixed wedge 701, and the movable wedge 702 can be actively separated from the fixed wedge 701 by pushing the push rod 8 when the upper fixed block 4 needs to be opened, so that the opening process of the upper fixed block 4 is smoother.

Further, the push rod 8 is slidably connected with the fixed wedge 701, a push block 9 is disposed at one end of the push rod 8 close to the movable wedge 702, a button 10 is disposed at one end of the push rod 8 far away from the movable wedge 702, a third elastic member 11 is disposed between the button 10 and the fixed wedge 701, and the third elastic member 11 is preferably a spring, or may be other elastic members such as rubber. It should be noted that, pressing the button 10 can make the push rod 8 push the movable wedge block 702 to be actively separated from the fixed wedge block 701, and under the action of the third elastic member 11, the push rod 8 always keeps a trend of moving outwards away from the movable wedge block 702, and after the button 10 is released, the push rod 8 returns automatically, so that the use is more convenient.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a PICC pipe fixing device, includes base (1), is equipped with on base (1) and is used for fixing the coupling assembling on patient's arm base (1), is equipped with down fixed block (3) on base (1), and lower fixed block (3) top detachably is connected with fixed block (4), is formed with cavity (5) that can supply the pipe to pass between fixed block (4) and lower fixed block (3), its characterized in that: the top of going up fixed block (4) is equipped with fixed subassembly (6) that are used for compressing tightly the pipe, and fixed subassembly (6) are including locating briquetting (601) in cavity (5), and the top of briquetting (601) is connected with guide bar (602), guide bar (602) and last fixed block (4) sliding connection, and the top of guide bar (602) is equipped with kicking block (603), is equipped with first elastic component (604) between the top of kicking block (603) and guide bar (602).

2. The PICC catheter securement device of claim 1, wherein: the top of last fixed block (4) is equipped with regulation seat (605), the top rotation of kicking block (603) is connected with regulation pole (606), adjusts pole (606) and adjusts seat (605) through threaded connection, and the top of regulation pole (606) is equipped with knob (607).

3. The PICC catheter securement device of claim 1, wherein: one side of the upper fixed block (4) is hinged with the lower fixed block (3), and the other side of the upper fixed block (4) is connected with the lower fixed block (3) through a clamping assembly (7).

4. The PICC catheter securement device of claim 3, wherein: the clamping assembly (7) comprises a fixed wedge block (701) and a movable wedge block (702) which are matched with each other, the fixed wedge block (701) is fixedly connected with the lower fixed block (3), a connecting block (401) is arranged at one side, far away from the fixed wedge block (701), of the movable wedge block (702) at the bottom of the lower fixed block (3), and a second elastic piece is fixedly connected between the connecting block (401) and the movable wedge block (702).

5. The PICC catheter securement device of claim 4, wherein: the fixed wedge block (701) is provided with a push rod (8) for pushing the movable wedge block (702) away from the fixed wedge block (701).

6. The PICC catheter securement device of claim 5, wherein: the push rod (8) is in sliding connection with the fixed wedge block (701), one end of the push rod (8) close to the movable wedge block (702) is provided with a push block (9), one end of the push rod (8) far away from the movable wedge block (702) is provided with a button (10), and a third elastic piece (11) is arranged between the button (10) and the fixed wedge block (701).

7. The PICC catheter fixing device according to any one of claims 1-6, wherein: the connecting assembly comprises two binding bands (12), one ends of the two binding bands (12) are connected with the base (1), and the other ends of the two binding bands (12) are connected through a magic tape.