CN2327398Y

CN2327398Y - Canula for treating necrosis of head of femur

Info

Publication number: CN2327398Y
Application number: CN 97229708
Authority: CN
Inventors: 张希昌
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-10-15
Filing date: 1997-10-15
Publication date: 1999-07-07
Anticipated expiration: 2007-10-15

Abstract

The utility model relates to a canula for treating necrosis of the head of femur, which belongs to the medicine pouring instrument of treating the femur head necrosis and is designed mainly for solving the problem that the medicine can not be poured into the osteonecrosis part of the head of femur in curing the osteonecrosis of the head of femur at present. The utility model has the technical proposal that a sheath of the canula is made and is provided with a canula core inside, and then a duct is made and provided with guiding wires inside. The femur head necrosis part is drilled with a hole by the light of X-ray, and then the utility model can be used for pouring the medicine directly into the femur head necrosis part to improve the curative effect, shorten the course of the treatment, and reduce the pain of the patient.

Description

The cannula instruments of treatment femur head necrosis

This utility model relates to a kind of medicine-filling device for the treatment of femur head necrosis.

The treatment femur head necrosis generally all is that medicine is injected joint capsule at present, but medicine is difficult to enter the femur head necrosis position, causes the therapeutical effect of medicine faint and slow, and increases patient's pain.

The purpose of this utility model is a kind of medicine-filling device that medicinal liquid directly can be injected the femur head necrosis district of design, so that improve the therapeutic effect of medicine and shorten the course of treatment.

The purpose of this utility model is achieved in that at first makes sleeve pipe 1, and telescopic two ends all are openings, and the sleeve pipe the inside is a tube core 2, and tube core is slightly longer than sleeve pipe, and the part that is exposed at the cover tube outside claims handle 3; Make catheter guide wire again, conduit 4 also is the pipe of two open ends, and the conduit the inside is a seal wire 5, and seal wire is slightly longer than conduit, and it is a bit of to be exposed at the conduit outside, so that extract out.

Using method: under x light, hole to femur head necrosis district and femoral head marrow core with medical drill bit, after extracting drill bit sleeve pipe is inserted the duct of being bored, extract tube core again, catheter guide wire is inserted in the sleeve pipe, extract seal wire then, the medicinal liquid of the treatment femur head necrosis got ready is injected, again seal wire is inserted in the conduit after the injection, stop up to prevent conduit.Extract sleeve pipe, catheter guide wire is stayed in the duct, expose at the catheter guide wire of skin outside and use sterile gauze topped, use in order to next injection.

The utility model has the advantages that and the medicinal liquid of treatment femur head necrosis directly can be injected the femur head necrosis district, so as better, faster, bring into play the therapeutical effect of medicine more fully, impel osteocyte regeneration, improve curative effect, shorten the course of treatment: and the patient does not have pain during injection, reduces patient's misery.

Accompanying drawing 1 is the generalized section of sleeve pipe of the present utility model and tube core.

Accompanying drawing 2 is catheter guide wire generalized sections of the present utility model.

Among the figure: 1, sleeve pipe; 2, tube core; 3, hands handle; 4, conduit; 5, seal wire.

Embodiment: make sleeve pipe 1 with rustless steel, make tube core 2 with non-toxic plastic, tube core inserts in the sleeve pipe, both tightly coincide, and telescopic two all is an opening, and the part that the tube core rear portion is exposed at the cover tube outside is a handle 3, my the sleeve pipe cross-sectional diameter of design is 3mm, pipe range 120-200mm; Conduit 4 is the pipes with the two open ends of non-toxic plastic making, cross-sectional diameter 2-2.5mm, and pipe range 140-220mm, the seal wire 5 usefulness rustless steels of the inside are made, and it also is tight coincideing that seal wire inserts in the conduit, and the seal wire rear portion is exposed at outside the conduit a bit of.

Claims

1, a kind of cannula instruments for the treatment of femur head necrosis is characterized in that comprising sleeve pipe [1], and telescopic two ends all are openings, and the sleeve pipe the inside is tube core [2], and the part that tube core is exposed at the cover tube outside claims handle [3]; Conduit [4] also is the pipe of two open ends, and the conduit the inside is seal wire [5], and it is a bit of that seal wire is exposed at the conduit outside.