CN211410436U

CN211410436U - Special positioner in infusion port

Info

Publication number: CN211410436U
Application number: CN201922133848.2U
Authority: CN
Inventors: 林森; 张彩霞
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-04
Anticipated expiration: 2029-12-03

Abstract

A special positioning device for an infusion port comprises a rubber plate matched with the surface of a human body, and a guide frame and a clamping piece which are arranged on the surface of the rubber plate; the middle part of the surface of the rubber plate is provided with a positioning hole for positioning a hypodermic injection seat diaphragm; the technical key points are that the rubber plate is attached to the skin of a user when in use, and meanwhile, the specification of the positioning hole is the same as that of a subcutaneous injection seat diaphragm, so that the position of the injection seat diaphragm in the body is ensured to be stable, and the problem of poor positioning effect caused by traditional three-finger pinching is solved; use dismantled and assembled saddle, this saddle and locating hole cooperation are used, can realize the effect of location and direction to external infusion port syringe needle, when carrying out the operation that the infusion port syringe needle inserted internal, the nurse only need clamp the saddle to the infusion port syringe needle in, the first recess of saddle inner wall carries on spacingly to the stationary vane of infusion port this moment, directly press down can, it is comparatively convenient to use, whole device can carry out split used repeatedly.

Description

Special positioner in infusion port

Technical Field

The utility model belongs to the technical field of medical instrument, specifically a special positioner in infusion port.

Background

At present, cancer patients need to be treated with chemotherapy for a long time, and due to the long treatment period of cancer, the patients need to repeatedly inject medicaments, and at this time, a permanent hypodermic injection seat needs to be established in the body of the patients, one end of the hypodermic injection seat is communicated with the jugular vein of the human body, and the other end of the hypodermic injection seat is connected with an externally-connected infusion port (the infusion port can also be called as a special needle of an implanted drug delivery device); when a patient needs to do chemotherapy every time, a needle of the transfusion port needs to pierce the skin and be inserted into an injection seat diaphragm below the skin, so that the intercommunication of internal and external pipelines can be ensured, and the basic operation process of chemotherapy injection is described; the following problems arise in this process:

firstly, the hypodermic injection seat in the body part is subcutaneous, and the hypodermic injection seat can slide for some obese patients, so that a doctor needs to pinch the hypodermic injection seat by three fingers when performing injection and puncture operation each time, the manual pinching operation can influence the positioning effect of the hypodermic injection seat, and meanwhile, certain burden is added to the work of the doctor; secondly, when the needle head of the transfusion port is inserted into the hypodermic injection seat, deviation can be caused, so that the needle head can be repeatedly plugged and pulled, and the diaphragm of the hypodermic injection seat can be damaged by repeated plugging and pulling operations; thirdly, after the insertion operation of the infusion port, the medical adhesive tape is needed to be used, the needle head of the whole infusion port is fixed on the surface of the skin, and the skin of a user can be damaged by the operation of taking down the medical adhesive tape after the needle head is subsequently pulled out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a positioning device special for a detachable reusable transfusion port.

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

a special positioning device for an infusion port comprises a rubber plate matched with the surface of a human body, and a guide frame and a clamping piece which are arranged on the surface of the rubber plate;

the middle part of the surface of the rubber plate is provided with a positioning hole for positioning a hypodermic injection seat diaphragm, and the surface of the rubber plate, which is positioned at the periphery of the positioning hole, is provided with a positioning column for clamping a guide frame; the guide frame is connected with the external special needle for the implanted drug delivery device in a matched manner, a fastener matched with the clamping piece is movably installed on one side of the upper surface of the guide frame, and the fastener is used for fixing the external special needle for the implanted drug delivery device.

Preferably, the rubber plate surface is evenly provided with a plurality of air holes at the positions of the two sides of the positioning hole, and the rubber plate is of a strip structure.

Preferably, the guide frame is of an arc-shaped structure, first grooves are formed in positions, close to the two ends, of the inner wall of the guide frame, the first grooves are connected with a fixed wing of a special needle of an external implanted drug delivery device in a matched mode, and second grooves are formed in positions, located in the middle, of the inner wall of the guide frame.

Preferably, the clamping piece comprises a post rod, and a clamping block and a bearing which are respectively arranged at the upper end and the lower end of the post rod, the bearing is embedded in the rubber plate, and the clamping block is welded at the top end of one side of the post rod to form an L-shaped structure.

Preferably, the fastener includes torsion piece and rubber strip, be connected through setting up the torsion piece between rubber strip and the guide frame, the card hole has been seted up to the one end of rubber strip, the controlled rotation of fastener can realize the gomphosis each other between card hole and the fastener.

Preferably, the width of the second groove is equal to that of the rubber strip, and the clamping hole formed in one end of the rubber strip is the same as the cross section of the clamping piece.

Compared with the prior art, the invention has the following beneficial effects:

firstly, a rubber plate and a positioning hole are used to form a positioning device, the rubber plate is attached to the skin of a user when in use, and meanwhile, the specification of the positioning hole is the same as that of a subcutaneous injection seat diaphragm, so that the position stability of the injection seat diaphragm in the internal part of a human body is ensured, and the problem of poor positioning effect caused by traditional three-finger pinching is solved;

secondly, a detachable guide frame is used, the guide frame is matched with the positioning hole for use, the external infusion port needle can be positioned and guided, when the infusion port needle is inserted into the body, a nurse only needs to clamp the infusion port needle into the guide frame, at the moment, the first groove in the inner wall of the guide frame limits the fixed wing of the infusion port, the fixed wing can be directly pressed downwards, the use is convenient, and the whole device can be detached for repeated use;

thirdly, use fastener and fastener to make up, when the injection seat diaphragm of internal is inserted to the infusion port syringe needle, utilize the elasticity restoring force of torsion member in the fastener to ensure that the rubber strip carries on spacingly to the partial infusion port of assembling in the guide frame, avoid using medical sticky tape to fix the infusion port, the top of fastener agrees with each other with the card hole when dismantling whole infusion port, through the mode of rotatory fastener, can ensure the stability of fastener position.

Drawings

FIG. 1 is a schematic view of the overall structure of a positioning device for a port of infusion of the present invention;

FIG. 2 is an enlarged view of a partial structure A in FIG. 1 of the positioning device for a port of infusion of the present invention;

FIG. 3 is a schematic view of the structure of the guide frame of the positioning device for the transfusion port of the present invention;

fig. 4 is a schematic view of the clamping member structure of the positioning device special for the transfusion port of the present invention.

Reference numerals: 1. a rubber plate; 2. air holes are formed; 3. positioning holes; 4. a guide frame; 41. a first groove; 5. A fastener; 51. a post rod; 52. a clamping block; 53. a bearing; 6. a positioning column; 7. a fastener; 71. a torsion member; 72. a rubber strip; 73. a clamping hole; 8. a second groove.

Detailed Description

The following description will further describe a specific embodiment of the positioning device for the transfusion port of the present invention with reference to fig. 1. The utility model relates to a special positioner of infusion port is not limited to the description of following embodiment.

Example 1:

the embodiment provides a specific structure of a positioning device special for an infusion port, which comprises a rubber plate 1 matched with the surface of a human body, and a guide frame 4 and a clamping piece 5 which are arranged on the surface of the rubber plate 1, as shown in fig. 1-4;

a positioning hole 3 for positioning a hypodermic injection seat diaphragm is formed in the middle of the surface of the rubber plate 1, and a positioning column 6 for clamping the guide frame 4 is arranged at the position, located around the positioning hole 3, on the surface of the rubber plate 1; the guide frame 4 is matched and connected with the external special needle for the implanted drug delivery device, a fastener 7 matched with the clamping piece 5 is movably installed on one side of the upper surface of the guide frame 4, and the fastener 7 is used for fixing the external special needle for the implanted drug delivery device.

As shown in fig. 1, a plurality of air holes 2 are uniformly formed in the surface of the rubber plate 1 at the two sides of the positioning hole 3, and the rubber plate 1 is in a strip structure.

Here, the rubber slab 1 and the locating hole 3 that use form a positioner, and rubber slab 1 during the use is laminated with user's skin, simultaneously because the specification of locating hole 3 is the same with the specification of hypodermic seat diaphragm to ensure the position stability of the injection seat diaphragm of internal portion, solved the problem that the traditional use indicates that to pinch tight location effect is poor.

The special needle of implanted device of dosing can also be called in the infusion port that mentions above-mentioned, and the both ends of rubber slab 1 all are provided with the bandage simultaneously to all be provided with the magic at the one end of bandage and paste, when laminating human skin surface with whole rubber slab 1, can pass through the magic with two bandages and paste the laminating, thereby ensure the stable in position of rubber slab 1.

As shown in fig. 2 and 3, the guide frame 4 is of an arc-shaped structure, first grooves 41 are formed in positions, close to the two ends, of the inner wall of the guide frame 4, the first grooves 41 are connected with the fixed wings of the special needle of the externally-connected implanted drug delivery device in a matched manner, and second grooves 8 are formed in positions, located in the middle, of the inner wall of the guide frame 4.

Here, use dismantled and assembled guide frame 4, this guide frame 4 uses with the cooperation of locating hole 3, can realize the effect of location and direction to external infusion port syringe needle, when carrying out the operation that the infusion port syringe needle inserted internal, the nurse only need clamp the infusion port syringe needle in guide frame 4, the first recess 41 of guide frame 4 inner wall carries on spacingly to the stationary vane of infusion port this moment, directly press down can, it is comparatively convenient to use, whole device can carry out split used repeatedly.

The radian of the inner wall of the guide frame 4 is the same as that of the inner wall of the positioning hole 3, and three groups of through holes communicated with the positioning columns 6 are formed in the surface of the guide frame 4, so that the position stability of the guide frame 4 can be ensured, and meanwhile, the clamping operation of the guide frame 4 is facilitated.

Example 2:

the embodiment provides specific structures of the clamping piece 5 and the fastener 7, as shown in fig. 2 and 4, the clamping piece 5 comprises a post 51, and a clamping block 52 and a bearing 53 which are respectively arranged at the upper end and the lower end of the post 51, the bearing 53 is embedded in the rubber plate 1, and the clamping block 52 is welded at the top end of one side of the post 51 to form an "L" shaped structure.

As shown in fig. 2 and 3, the fastener 7 includes a torsion member 71 and a rubber strip 72, the rubber strip 72 is connected to the guide frame 4 by the torsion member 71, a locking hole 73 is formed at one end of the rubber strip 72, and the fastener 7 is controlled to rotate, so that the locking hole 73 and the fastener 5 can be engaged with each other.

As shown in fig. 2, the width of the rubber strip 72 is equal to that of the second groove 8, and a clamping hole 73 formed at one end of the rubber strip 72 has the same shape as the cross section of the clamping piece 5.

Through adopting above-mentioned technical scheme, use fastener 5 and fastener 7 to make up, when the infusion port syringe needle inserted internal injection seat diaphragm, utilize torsion member 71's elastic restoring force in the fastener 7, thereby ensure that rubber strip 72 carries on spacingly to the partial infusion port of assembling in the guide frame 4, avoid using medical sticky tape to fix the infusion port, when dismantling whole infusion port, the top and the calorie of hole 73 of fastener 5 agree with each other, through the mode of rotatory fastener 5, can ensure the stability in fastener 7 position.

Specifically, before the needle of the infusion port is inserted into the positioning hole 3, the clamping hole 73 formed in one end of the rubber strip 72 is sleeved at the top end of the clamping piece 5, then the whole clamping piece 5 is rotated by a certain angle to ensure that the clamping block 52 is attached to the upper surface of the rubber strip 72, and at the moment, the clamping piece 5 is in a turnover state, so that the smoothness of a channel formed in the guide frame 4 and the positioning hole 3 is ensured; after the needle of the infusion port is inserted into the positioning hole 3, the whole clamping piece 5 can be rotated until the clamping block 52 can pass through the clamping hole 73, and at the moment, the whole rubber strip 72 is pressed and attached to the upper surface of the part of the infusion port assembled in the guide frame 4 under the action of the elastic restoring force of the torsion piece 71, so that the position stability of the infusion port is ensured.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a special positioner in infusion port which characterized in that: comprises a rubber plate (1) matched with the surface of a human body, and a guide frame (4) and a clamping piece (5) which are arranged on the surface of the rubber plate (1);

a positioning hole (3) for positioning a hypodermic injection seat diaphragm is formed in the middle of the surface of the rubber plate (1), and positioning columns (6) for clamping the guide frame (4) are arranged on the surface of the rubber plate (1) at the positions around the positioning hole (3); the guide frame (4) is connected with the external special needle for the implanted drug delivery device in a matching way, a fastener (7) matched with the clamping piece (5) is movably installed on one side of the upper surface of the guide frame (4), and the fastener (7) is used for fixing the external special needle for the implanted drug delivery device.

2. The port specific locator device of claim 1, wherein: the rubber plate (1) is provided with a plurality of air holes (2) on the surface at two sides of the positioning holes (3), and the rubber plate (1) is of a strip structure.

3. The port specific locator device of claim 1, wherein: the guide frame (4) is of an arc-shaped structure, first grooves (41) are formed in positions, close to two ends, of the inner wall of the guide frame (4), the first grooves (41) are connected with a fixed wing of a special needle of an external implanted drug delivery device in a matched mode, and second grooves (8) are formed in positions, located in the middle, of the inner wall of the guide frame (4).

4. The port specific locator device of claim 1, wherein: the clamping piece (5) comprises a post rod (51), and a clamping block (52) and a bearing (53) which are respectively arranged at the upper end and the lower end of the post rod (51), wherein the bearing (53) is embedded in the rubber plate (1), and the clamping block (52) is welded at the top end of one side of the post rod (51) to form an L-shaped structure.

5. The port specific locator device of claim 1, wherein: fastener (7) are including twisting member (71) and rubber strip (72), be connected through setting up twisting member (71) between rubber strip (72) and guide frame (4), calorie hole (73) have been seted up to the one end of rubber strip (72), fastener (7) controlled rotation can realize the gomphosis each other between calorie hole (73) and fastener (5).

6. The device of claim 5, wherein the positioning device comprises: the width of the second groove (8) of the rubber strip (72) is equal, and a clamping hole (73) formed in one end of the rubber strip (72) is the same as the cross section of the clamping piece (5).