Puncture assist device for infusion port

Abstract

An infusion port puncture assist device belongs to the technical field of infusion ports and comprises a positioning seat ring and a directional surface disc, the positioning seat ring comprises a lower ring body, lugs and a positioning column, a notch is formed in one side of the lower ring body, the two symmetrical lugs are arranged on the outer side of the non-notch position, and the positioning column perpendicular to the upper surface is arranged on the upper surface of the lower ring body; the directional face plate comprises an upper ring body, a center ring face plate and a connecting batten, a positioning hole is formed in the upper ring body, an elastic rubber mat is arranged on the inner ring wall of the positioning hole, the center ring face plate is a face plate with a center hole in the center, and the connecting batten is connected with the inner ring side wall of the upper ring body and the outer ring side wall of the center ring face plate. The center ring panel is located in the center of the upper ring body, and the positioning holes in the orientation surface disc are inserted in the positioning columns on the positioning seat ring in a wrapping mode; the utility model has the beneficial effects that the non-injury needle can be aligned and vertical to the intravenous infusion port, so that the operation is very convenient and accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to infusion port technical field, especially a kind of infusion port puncture auxiliary device. BACKGROUND

[0002] The infusion port is a kind of medical equipment, for the patient needing long-term intravenous infusion or needing frequent intravenous blood sampling, injection and other treatment operations. It is implanted in the patient's body for a long time, and medical staff can use syringe or blood sampling needle and other tools to directly pass through infusion port into the central vein of patient for infusion or blood sampling operation, which avoids the pain and damage of repeated needle insertion. The implanted infusion port is easy to operate and convenient to install, which can make medical staff more relaxed and fast in routine infusion and intravenous blood sampling operation, shorten the hospitalization time of patient and improve the treatment effect.

[0003] The existing implanted infusion port has the following defects: first, the port seat of implanted infusion port is located subcutaneously, it is difficult to find the position of puncture septum when needle is inserted, and it is often difficult to determine the depth of needle insertion into puncture septum, so that the position of needle tip cannot be exactly in the liquid storage groove. Second, the angle of needle insertion into puncture septum is perpendicular, and the needle also needs to be inserted vertically, which cannot be inclined, but it is easy to be inclined in actual operation. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem in view of the above-mentioned defects, and provides an infusion port puncture auxiliary device which can be positioned horizontally and oriented vertically.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of an infusion port puncture auxiliary device,

[0006] Including positioning seat ring and directional face disc, the positioning seat ring includes lower ring body, lug and positioning column, the side of lower ring body is equipped with notch, so that lower ring body can be taken out after needle puncture, the radian of the notch is 1 °-90 °, preferably 30 °;The outer side of non-notch position of lower ring body is equipped with two symmetrical lugs, the upper surface of lower ring body is equipped with positioning column perpendicular to upper surface, the number of positioning column is 2-10, preferably 3.

[0007] The directional face disc comprises an upper ring body, a center ring face plate and a connecting plate strip, the upper ring body has the same specification as the lower ring body, one side of the upper ring body is provided with a notch, the curvature of the notch is the same as that of the lower ring body, the upper ring body is provided with a positioning hole, the position and number of the positioning hole correspond to the position and number of the positioning column on the lower ring body one by one, the inner diameter of the positioning hole is 101%-110% of the outer diameter of the positioning column, the inner ring wall of the positioning hole is provided with an elastic rubber pad, the inner diameter of the positioning hole after the elastic rubber pad is arranged is 99%-95% of the outer diameter of the positioning column, preferably 97%; in this way, the positioning hole can be sleeved on the positioning column, and the positioning hole cannot automatically slide on the positioning column, and only slides up and down under the light pushing of external force; the center ring face plate is a face plate provided with a center hole in the center, the inner diameter of the center hole is 1.5-3 times, preferably 2 times, of the outer diameter of the infusion port needle, one side of the center ring face plate and the center hole is provided with a notch, the curvature of the notch is the same as that of the lower ring body, the connecting plate strip connects the inner ring side wall of the upper ring body and the outer ring side wall of the center ring face plate, and the center ring face plate is located in the center of the upper ring body, meanwhile, the notches on the center ring face plate and the upper ring body face the same direction, and the number of the connecting plate strip is 2-10.

[0008] The positioning hole on the directional face disc is sleeved on the positioning column on the positioning seat ring, and the positioning hole can slide up and down on the positioning column; the notches on the lower ring body, the upper ring body and the center ring face plate have the same orientation, and at least have to be between the same two positioning columns, otherwise, it is inconvenient to take out the auxiliary device after the needle puncture.

[0009] The infusion port puncture auxiliary device is jointly formed by the positioning seat ring and the directional face disc, when in use, the positioning seat ring is buckled on the position of the infusion port base, then the atraumatic needle is inserted through the center hole and the needle seat is placed on the center ring face plate, so that the atraumatic needle is aimed at the intravenous infusion port and is perpendicular to the intravenous infusion port, and the operation is very convenient and accurate. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a whole structure schematic view of the infusion port puncture auxiliary device.

[0011] Figure 2 It is an exploded structure schematic view of the infusion port puncture auxiliary device.

[0012] Figure 3 It is a position view when the infusion port puncture auxiliary device is used for positioning and orientation and the port needle is prepared for puncture.

[0013] Figure 4Structure diagram of the infusion port puncture auxiliary device when the port needle is inserted through the center hole and the needle seat is placed on the center ring surface plate, at this time the port needle is aligned and perpendicular to the intravenous infusion port.

[0014] Figure 5 Structure diagram of the infusion port puncture auxiliary device after the port needle is placed on the directional surface plate for puncture.

[0015] In the figure: 1. positioning seat ring, 2. directional surface plate, 3. lower ring body, 4. ear piece, 5. positioning column, 6. notch, 7. upper ring body, 8. center ring surface plate, 9. center hole, 10. connecting plate strip, 11. port needle, 12. needle seat, 13. infusion tube. DETAILED DESCRIPTION

[0016] The utility model will be further described below in combination with examples.

[0017] As shown in the figure, the infusion port puncture auxiliary device is made of polyvinyl chloride material, first, positioning seat ring 1 and directional surface plate 2 are positioned respectively, the positioning seat ring 1 includes lower ring body 3, ear piece 4 and positioning column 5, notch 6 is arranged on one side of the lower ring body 3, the radian of the notch 6 is 1 °-90 °, the radian of the notch 6 is made into 30 ° in the embodiment; the outer side of the non-notch position of the lower ring body 3 is provided with two symmetrical ear pieces 4, the upper surface of the lower ring body 3 is provided with positioning column 5 perpendicular to the upper surface, generally, the number of the positioning column 5 is set to 2-10, and the number is set to 3 in the embodiment; the directional surface plate 2 includes upper ring body 7, center ring surface plate 8 and connecting plate strip 10, the upper ring body 7

[0018] The specifications of the upper ring body 7 are the same as those of the lower ring body 3. One side of the upper ring body 7 has a notch, the curvature of which is the same as that of the notch 6 in the lower ring body 3. The upper ring body 7 has positioning holes, the positions and number of which correspond one-to-one with the positions and number of positioning posts 5 on the lower ring body 3. The inner diameter of the positioning hole is slightly larger than the outer diameter of the positioning post, generally 101%-110% of the outer diameter of the positioning post 5. An elastic rubber pad is provided on the inner ring wall of the positioning hole, generally 99%-95% of the outer diameter of the positioning post 5 after the elastic rubber pad is provided; in this embodiment, it is made to be 97%. This allows the positioning hole to fit onto the positioning post 5, and the positioning hole will not slide automatically on the positioning post 5; it only requires gentle pushing or pulling by external force. The device slides up and down only when it is in motion; the central ring panel 8 is a panel with a central hole 9 at its center position. The inner diameter of the central hole 9 is 1.5-3 times the outer diameter of the infusion port needle 11. In this embodiment, it is made to be 2 times. A notch is provided on one side of the central ring panel 8 and the central hole 9. The curvature of the notch is the same as that of the notch 6 of the lower ring body 3. The connecting strip 10 connects the inner ring sidewall of the upper ring body 7 and the outer ring sidewall of the central ring panel 8, and positions the central ring panel 8 at the center of the upper ring body. At the same time, the notch on the central ring panel 8 faces the same direction as the notch on the upper ring body 7. The number of connecting strips 10 is 2-10. In this embodiment, it is made to be four, two of which serve as the edges of the notch; the positioning hole on the directional face plate 2 is inserted into the positioning seat ring 1.

[0019] The positioning hole on the positioning post 5 can slide up and down on the positioning post 5; the notches on the lower ring body 3, the upper ring body 7 and the central ring panel 8 are in the same position, and must be between at least two of the same positioning posts 5, otherwise it will be inconvenient to remove the auxiliary device after the needle is punctured.

[0020] When using it, medical staff first locate the port-a-cath base, and then place the positioning ring 1 of the port-a-cath puncture aid.

[0021] Secure it to the base of the infusion port, so that the infusion port injection seat is locked in the middle of the positioning ring 1, as shown. Figure 3 , 4 As shown in Figure 5, the non-aortic needle is then aligned with the central hole 9 in the center of the central ring panel 8 on the orientation panel 2. The port needle 11 is passed through the central hole 9 and the needle seat 12 is placed on the central ring panel 8 of the orientation panel 2. At this point, it can be confirmed that the port needle 11 is aligned with the intravenous infusion port and is perpendicular to the intravenous infusion port. Then, the index finger and thumb of the left hand are placed on the ear piece 4 and pressed down to fix it and prevent the infusion port base from sliding. The non-aortic needle is held in the right hand and pressed down to make the orientation panel 2 move down, so that the port needle 11 is inserted vertically from the center of the positioning seat ring 1 and reaches the bottom of the reservoir. Then, the infusion port puncture aid is removed.

Claims

1. A port-a-cath puncture aid, characterized in that... The positioning seat ring comprises a lower ring body, an ear piece and a positioning column, one side of the lower ring body is provided with a notch; the outer side of the non-notched position of the lower ring body is provided with two symmetrical ear pieces, and the upper surface of the lower ring body is provided with a positioning column perpendicular to the upper surface; the directional face disc comprises an upper ring body, a center ring panel and a connecting plate strip, the specification of the upper ring body is the same as that of the lower ring body, one side of the upper ring body is provided with a notch, the curvature of the notch is the same as that of the notch of the lower ring body, the upper ring body is provided with a positioning hole, the position and number of the positioning hole correspond to the position and number of the positioning column on the lower ring body one by one, the inner ring wall of the positioning hole is provided with an elastic rubber pad, the center ring panel is a panel provided with a center hole, one side of the center ring panel and the center hole is provided with a notch, the curvature of the notch is the same as that of the notch of the lower ring body, the connecting plate strip connects the inner ring side wall of the upper ring body and the outer ring side wall of the center ring panel, and the center ring panel is located at the center of the upper ring body, and the notch on the center ring panel and the notch on the upper ring body face the same direction; the positioning hole on the directional face disc is inserted on the positioning column on the positioning seat ring.

2. The infusion port puncture aid of claim 1, wherein The notches on the lower ring body, the upper ring body and the center ring panel have the same orientation and the same curvature, and the curvature of the notch is 1°-90°.

3. The infusion port puncture aid of claim 2, wherein The curvature of the notch is 30°.

4. The infusion port puncture aid of claim 3, wherein The number of the positioning column is 2-10.

5. The infusion port puncture aid of claim 4, wherein The inner diameter of the positioning hole is 101%-110% of the outer diameter of the positioning column.

6. The infusion port puncture aid of claim 5, wherein The inner diameter of the positioning hole provided with the elastic rubber pad is 99%-95% of the outer diameter of the positioning column.

7. The infusion port puncture assist of claim 6, wherein The inner diameter of the center ring panel is 1.5-3 times of the outer diameter of the infusion port needle.

8. The infusion port puncture aid of claim 7, wherein The number of the connecting plate strip is 2-10.

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