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CN-116115860-B - Infusion port positioning device and working method thereof

CN116115860BCN 116115860 BCN116115860 BCN 116115860BCN-116115860-B

Abstract

The invention belongs to the technical field of medical instrument application, and particularly discloses an infusion port positioning device which comprises a fixed part, a movable fixed part, a plurality of positioning sheets, a fixed part through groove, a fixed part connecting block, a movable fixed part U-shaped groove, a movable fixed part connecting block, a movable fixed part through groove, a movable fixed part groove, a transverse screw hole, a transverse adjusting screw rod, an arc clamping part, a transition part and a circular limiting sleeve. The invention has the advantages that 1, the whole structure is of a combined split structure design, the assembly and the use are convenient, meanwhile, the position of the arc clamping part is stably adjusted in the horizontal direction through the transverse adjusting screw rod and the like, the nursing staff is convenient to control the infusion needle to be inserted into the infusion port, 2, the fixed part, the plurality of positioning sheets, the fixed part through grooves and the fixed part grooves are made of integrally formed flexible materials, the medical adhesive tape is adhered and then tightly adhered to the outer layer of the infusion port, and 3, the matched fixed part connecting block and the movable fixed part connecting block are convenient to assemble and use.

Inventors

  • MA GUANGXIN
  • LU FEI
  • SHI PANPAN
  • YU XIAONING

Assignees

  • 山东大学齐鲁医院

Dates

Publication Date
20260512
Application Date
20221115

Claims (9)

  1. 1. The transfusion port positioning device is characterized by comprising a fixed fixing part (10) and a movable fixing part (16), The outer wall of the fixed part (10) is provided with a plurality of positioning sheets (11), A fixed part through groove (12) is arranged in the fixed part (10), A fixed part groove (13) is arranged in one surface of the fixed part (10), A fixed part connecting block (15) is arranged in one surface of the fixed part groove (13), One surface of the movable fixing part (16) is provided with a U-shaped groove (17) of the movable fixing part, A movable fixing part connecting block (19) which is arranged in the U-shaped groove (17) of the movable fixing part and is matched with the fixed fixing part connecting block (15), A movable fixing part through groove (34) is arranged in the movable fixing part (16), A movable fixing part groove (36) is arranged on one surface of the movable fixing part (16), One surface of the movable fixing part (16) is symmetrically provided with transverse screw holes (20), A transverse adjusting screw rod (21) is arranged in the transverse screw hole (20), Arc clamping parts (26) are symmetrically arranged in the movable fixing part grooves (36), The outer wall of the arc-shaped clamping part (26) is respectively provided with a transition part (24), One end of the transition part (24) is provided with a circular limit sleeve (25); wherein the transverse adjusting screw rod (21) is clamped into the circular limiting sleeve (25); the device also comprises a strip-shaped guide groove (22) symmetrically arranged in one surface of the movable fixing part groove (36), and strip-shaped sliding blocks (23) respectively arranged on the outer wall of one end of the transition part (24) and clamped into the strip-shaped guide groove (22).
  2. 2. The port positioning device of claim 1, further comprising a first adhesive layer (14) disposed on one side of the fixed portion recess (13).
  3. 3. The port positioning device according to claim 2, further comprising a second adhesive layer (18) disposed on one side of the U-shaped groove (17) of the movable fixing portion.
  4. 4. The port positioning device of claim 3, further comprising a flexible cushion (27) disposed on a lower portion of an inner wall of the opposing face of the arcuate clamping portion (26).
  5. 5. The device of claim 4, further comprising a first cross bar (28) and a second cross bar (29) disposed on the upper portions of the inner walls of the opposite surfaces of the arc-shaped clamping portion (26), a first arc-shaped transition portion (30) and a second arc-shaped transition portion (31) disposed at one ends of the first cross bar (28) and the second cross bar (29), and a transverse hollow limiting sleeve (32) and a transverse limiting boss (33) disposed at two end surfaces of the first arc-shaped transition portion (30) and the second arc-shaped transition portion (31) respectively.
  6. 6. The port positioning device according to claim 1, wherein the fixed part connecting block (15) and the movable part connecting block (19) are respectively provided in a circular structure.
  7. 7. A positioning device for an infusion port according to any one of claims 1 to 6, wherein the diameter of said fixed part (10) is larger than the diameter of said movable part (16).
  8. 8. The method of claim 7, wherein the step of operating the port positioning device comprises: comprises the steps of, Step 1, fixedly assembling a movable fixing part (16) and a fixed fixing part (10) through a fixed fixing part connecting block (15) and a movable fixing part connecting block (19); Step 2, sticking and fixing the fixing part (10) on the outer layer of the transfusion port position through a plurality of positioning sheets (11) by using a medical adhesive tape; and 3, placing the arc-shaped clamping part (26) in a through groove (34) of the movable fixing part, and synchronously rotating the transverse adjusting screw (21), so that the transverse adjusting screw (21) pushes the arc-shaped clamping part (26) to move horizontally relatively through the circular limiting sleeve (25) and the transition part (24) until the flexible cushion layer (27) is in contact with the outer layer at the position of the transfusion port.
  9. 9. The method of claim 8, wherein in the step 3, after the flexible cushion layer (27) on the inner wall of the arc-shaped clamping portion (26) contacts the outer layer of the transfusion port, the first arc-shaped transition portion (30) on one end of the first cross bar (28) is attached to the second arc-shaped transition portion (31) on one end of the second cross bar (29), so that the transverse cavity formed by the first arc-shaped transition portion (30) and the second arc-shaped transition portion (31) is located at a position right above the transfusion port to limit the transfusion pin (35).

Description

Infusion port positioning device and working method thereof Technical Field The invention belongs to the technical field of medical instrument application, and particularly relates to an infusion port positioning device and a working method thereof. Background The closed transfusion device with the transfusion port fully implanted into the human body comprises a catheter part with the tip end positioned in the superior vena cava and an injection seat implanted under the skin, and is a medical instrument. The intravenous transfusion port is a new transfusion line technology, is called transfusion port for short, is a fully implanted closed transfusion system embedded in human body, and includes one central venous catheter, one device called puncture seat connected to the end of the catheter, one small operation method to puncture the catheter into great vein of human body, such as subclavian vein and superior vena cava, one part of the catheter is buried in subcutaneous tissue, the other end of the puncture seat is remained in subcutaneous tissue of chest wall and is sewn and fixed, the skin after operation has only seen a small suture wound, after healing and stitch removal, the body surface of the patient can touch one protruding ball, during treatment, the needle is positioned downwards, the needle is punctured through skin and vertically enters into the liquid storage tank of the puncture seat, so that the infusion can be conveniently performed, the infusion and blood collection can be continuously performed for a long time, and the infusion method is suitable for high-concentration chemotherapeutic medicine, complete parenteral nutrition and blood product infusion. The problem that ① has certain mobility when the transfusion port is punctured by the existing medical staff is that the transfusion port is required to be fixed by an operator by using a non-dominant hand, the stability is poor, meanwhile, in the puncturing process, the finger of the medical staff is easy to puncture by a needle head due to the smaller puncture diameter of the transfusion port, the ② medical staff cannot accurately position the puncture point of the transfusion port, and the patient can bleed during the period that the wound is not healed for chemotherapy without damaging the puncture wound of the needle, so that the workload of nurses is increased, and the pain caused by repeated puncturing of ③ also occurs to the patient, so that the condition of drug liquid extravasation occurs. Based on the above problems, the invention provides a transfusion port positioning device and a working method thereof. Disclosure of Invention The invention aims to overcome the defects of the prior art, provide a transfusion port positioning device and a working method thereof, and solve the problems existing in the prior art when the transfusion port is used. According to the technical scheme, the first aspect of the invention provides a positioning device for an infusion port, which comprises a fixed part and a movable fixed part, wherein a plurality of positioning sheets are arranged on the outer wall of the fixed part, fixed part through grooves are formed in the fixed part, fixed part grooves are formed in one surface of the fixed part, fixed part connecting blocks are arranged in one surface of the fixed part grooves, movable fixed part U-shaped grooves are formed in one surface of the movable fixed part, movable fixed part connecting blocks matched with the fixed part connecting blocks are used, movable fixed part through grooves are formed in the movable fixed part, movable fixed part grooves are formed in one surface of the movable fixed part, transverse screw holes are symmetrically formed in one surface of the movable fixed part, transverse adjusting screws are arranged in the transverse screw holes, arc-shaped clamping parts are symmetrically arranged in the movable fixed part grooves, transition parts are respectively arranged on the outer wall of the arc-shaped clamping parts, and one end of each transition part is provided with a circular limiting sleeve, and the transverse adjusting screws are clamped in the circular limiting sleeve. According to the technical scheme, the transfusion port positioning device further comprises a first adhesive layer arranged on one surface of the groove of the fixed part. According to the technical scheme, the transfusion port positioning device further comprises a second adhesive layer arranged on one surface of the U-shaped groove of the movable fixing part. According to the technical scheme, the transfusion port positioning device further comprises strip-shaped guide grooves symmetrically arranged in one face of the groove of the movable fixing part, and strip-shaped sliding blocks which are respectively arranged on the outer wall of one end of the transition part and clamped into the strip-shaped guide grooves. According to the technical scheme, the transfusion port positioning device further c