CN2396784Y - Medical trocar - Google Patents

Abstract

The utility model relates to a medical trocar which is composed of a trocar and a needle core capable of reciprocating in the chamber of the trocar, wherein the front end of the needle core is flat; the front end of the trocar has a round obtuse tip or a sharp tip. The medical trocar with the structure can be used as a medical telescopic embedding needle which can embed a medicine body fully absorbing medicines in a diseased part according to acupoints. The utility model has the dual functions of acupoint therapy and medicine therapy. Meanwhile, the trocar is applicable to the embedding therapy for different depths and different acupoints. The trocar is flexible and convenient to operate, effectively relieves the damage to embedded tissues, and prevents the accidental injury of blood vessels and nerves.

Description

The medical trocar

This utility model relates to a kind of medical trocar.

At present, be used for clinical various extension-type puncture needles, its trocar and nook closing member are prong, and resistance was little when prong thrust body, and it is convenient to use.But be applied to the neural abundant position of body vessel, the easy damaged vital tissue causes internal hemorrhage and nerve injury.And for example Chinese patent literature disclosed the technical scheme of a kind of " the multi-functional trocar " with notification number CN2232728 on August 14th, 96, this scheme mainly is made up of elongated injection cannula pin and the nook closing member that can insert in the injection cannula pin, one termination of the trocar has a sleeve pipe handle that cooperates with syringe, the front end of nook closing member is the pin cutting edge of a knife or a sword, and end connects needle handle.It is mainly used in reason, plays therapy and acupuncture needle stripping bone therapy, and can not be as the usefulness of acupoint burying.

The purpose of this utility model is to provide a kind of medical easily bushing type heeling-in of body tissue, drug delivery pin of avoiding damaging.

The purpose of this utility model is achieved in that it by the trocar and can forming by reciprocating nook closing member in trocar chamber, the front end of described nook closing member is a flat-top shape.

The front end of the described trocar is the round blunt shape point, also can be needle pattern.

The technological progress that this utility model is obtained: change the front end of trocar nook closing member into the flat-top shape, can be used as medical bushing type heeling-in pin uses, the medicine body that soon fully absorbs the drug is imbedded at disease with the medicine body by the acupuncture point by the trocar and makes the place, makes medicine directly act on disease and makes the place.It has the double effects of acupuncture point and Drug therapy, thereby has opened up the comprehensive treatment that medicine is buried at a kind of new acupuncture point.Front end with the trocar changes round blunt shape point or needle pattern point into simultaneously, can selectively use, the trocar of tip as the round blunt shape point is used at the position that nervus vasculairs are relatively abundant, though like this during inserting needle skin resistance but be difficult for injured blood vessel and nerve a little louder.The transformation of the trocar, not only opened up the method that the medicine Comprehensive Treatment is buried at a kind of new acupuncture point, also solve the deep layer acupuncture point simultaneously and buried a medicine easy damaged blood vessel and a neural difficult problem, thereby applicable to the treatment of the different depths and different parts, flexible and convenient operation, alleviate tissue injury, prevent to accidentally injure blood vessel.

Be that embodiment further describes this utility model below with the accompanying drawing:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a trocar round blunt shape needle point structure sketch map.

As Fig. 1, shown in 2, based on the trocar 1, nook closing member 2 is set in the pin chamber of the trocar, nook closing member 2 can move reciprocatingly in its pin chamber, the front end of nook closing member 2 is a flat-top shape, it is blunt pointed that the front end of the trocar 1 can be circle, as shown in Figure 2, also can be needle pattern, select to use according to different demands during use, to blood vessel, the trocar of round blunt shape needle point is selected at neural abundant position for use, otherwise use the needle pattern trocar, during use, the medicine body of inhalation is implanted in the pin chamber of the trocar 1, by nook closing member 2 the medicine body is pushed into required place, acupuncture point, to reach the purpose of acupuncture point drug treatment.

Claims (3)

1, a kind of medical trocar, it is by the trocar and can forming by reciprocating nook closing member in trocar chamber, and the front end that it is characterized in that described nook closing member is a flat-top shape.

2, the trocar according to claim 1, the front end that it is characterized in that the described trocar is the round blunt shape point.

3, bushing type pin according to claim 1, the front end that it is characterized in that the described trocar is a needle pattern.

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