CN2201900Y

CN2201900Y - Simple trocar

Info

Publication number: CN2201900Y
Application number: CN 93233749
Authority: CN
Inventors: 郭冬汉; 郭展鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-19
Filing date: 1993-04-19
Publication date: 1995-06-28
Anticipated expiration: 2003-04-19

Abstract

The utility model relates to a simple trocar, composed of a handle cover, a trocar core, sleeve tubes and external sleeve tubes. A part which can be connected with an injector connecting head is arranged above a trocar sleeve, and additionally, each sleeve tube is provide with scale marks with different distance. Thus, the trocar inlet depth can be controlled in the process of puncturing; after the puncturing, the trocar can be connected directly with an injection connecting head and a three-way connecting head. The utility model is used for sucking the coelomic cyst and the liquid or the pus in the cyst with pathological change, and then, various therapeutic drug is injected in the diseased region. The utility model changes the defect that the traditional trocar can not be connected directly with the injection connecting head after the puncturing, and then, a tube needs to be inserted for the drainage or is connected with the injector any longer. The simple trocar has reasonable design, compact structure and convenient use and is an ideal medical device for the puncturing and the drainage.

Description

Simple trocar

This utility model relates to a kind of for patient punctures, aspirates liquid or dope in celomic cyst, the abscess pathological changes, and at the medical apparatus and instruments of diseased region injection therapeutic medicine.

At present, the various trocars of Shi Yonging can not directly connect syringe adapter after puncture clinically, and need other intubated and drained or connect syringe again, and these trocars not only length are too short, also do not have depth mark on the sleeve pipe, during use, make troubles for clinical puncture.

The purpose of this utility model provides a kind of easy trocar, in the process of puncture, can control the degree of depth of inserting needle.After the puncture, can directly connect syringe and tee pipe coupling,, and annotate in pathological changes portion and to establish various medicines in order to liquid or the pus in suction celomic cyst, the abscess pathological changes.

The purpose of this utility model is achieved in that handle lid and sleeve pipe nook closing member with being threaded, and it is very sharp that the needle point of sleeve pipe nook closing member is made the Pedicellus et Pericarpium Trapae cone, mainly plays the puncture effect.The sleeve pipe nook closing member passes sleeve pipe.The casing steel pipe is made, and there is scale the outside, is used for controlling the intravital depth of needle that enters human body.The frustum of a cone of one band shirt rim is arranged on it, and there is a round taper hole inside, and its internal diameter just in time matches with syringe adapter and tee pipe coupling.Owing to adopt such scheme, just conveniently puncture, liquid or the dope in suction celomic cyst, the abscess pathological changes also can be injected various medicines at diseased region.Simple in structure.

Below in conjunction with drawings and Examples this utility model is further specified.

Fig. 1 is a primary structure sketch map of the present utility model;

Fig. 2 is the organigram of easy trocar embodiment.

Among the figure: 1-handle lid, 2-1 sleeve pipe nook closing member, 3-1 sleeve pipe, 4-2 bobbin core, 5-2 sleeve pipe, 6-3 sleeve pipe nook closing member, the 7-3 sleeve pipe, 8-connector, 9-4 sleeve pipe nook closing member, the 10-needle tubing, the 11-needle point, the 12-band shirt rim frustum of a cone, 13-4 sleeve pipe, the 14-steel pipe, the 15-trocar sheath.

Among Fig. 1, handle lid (1) is used threaded connection with No. 1 sleeve pipe nook closing member (2), No. 1 trocar (2) passes No. 1 sleeve pipe (3), during puncture, doctor's hand holding handle lid (1) makes No. 1 trocar (2) and No. 1 sleeve pipe (3) penetrate lesion, connect syringe again, it is swollen to aspirate coelomic pouch liquid, liquid in the abscess pathological changes or dope, or diseased region is injected various medicines again.

In embodiment illustrated in fig. 2, No. 1, No. 2, No. 3, No. 4 the sleeve pipe nook closing member is made up of needle tubing (10), needle point (11), connector (8) three parts.The Pedicellus et Pericarpium Trapae cone is made at the tip of needle point (11), is connected as a single entity with needle tubing (10), mainly plays the puncture effect.Needle tubing (10) combines as a whole with connector (8).Connector (8) upper end be a cylinder table, on screw thread is arranged, during use, the internal whorl that covers (1) with handle is tightened.Mid portion has an outstanding cylinder table, has rolled straight burr or twill around cylinder, and the lower end is a frustum of a cone, and long 1 centimetre, external diameter is by number matching with corresponding sleeve pipe.

No. 1 sleeve pipe (3), No. 2 sleeve pipes (5), No. 3 sleeve pipes (7), No. 4 sleeve pipes (13) are firmly to be formed by connecting by a steel pipe (14) and the band shirt rim frustum of a cone (12).There is scale steel pipe (14) outside, is used for controlling the depth of needle that enters the human lesion part.The band shirt rim frustum of a cone (12) is along annular knurl is arranged on every side.The frustum of a cone (12) inside of band shirt rim has a round taper hole, and its internal diameter just in time matches with syringe adapter, tee pipe coupling size.

Handle lid (1) one end is empty, and the other end is the sealing cecum.There is screw thread opening portion inside, can be respectively with No. 1 sleeve pipe nook closing member (2), No. 2 sleeve pipe nook closing members (4), No. 3 sleeve pipe nook closing members (6), No. 4 sleeve pipe nook closing members (9) upper end cylinder table on the screw thread kissing.The external screw thread on the cylinder of handle lid (1) and the female thread of trocar sheath (15) match.

Trocar sheath (15) is the cylinder of a boring, and the top is a hemispherical, is the sealing cecum, and its open interior has the external screw thread tight connecting of screw thread and handle lid (1).When not in use, by the number of being the sleeve pipe nook closing member is inserted in the sleeve pipe, it is first group that No. 1 sleeve pipe nook closing member (2) inserts in No. 1 sleeve pipe (3), and it is second group that No. 2 sleeve pipe nook closing members (4) insert in No. 2 sleeve pipes (5), and it is the 3rd group that No. 3 sleeve pipe nook closing members (6) insert in No. 3 sleeve pipes (7), it is the 4th group that No. 4 sleeve pipe nook closing members (9) insert in No. 4 sleeve pipes (13), insert second group with first group again, insert the 3rd group again, insert at last in the 4th group, put in the trocar sheath (15), needle point points to the lid end again.Again the female thread of trocar sheath (15) and the external screw thread on the handle lid (1) are screwed.

When trocar puncturing easy to use is treated, calculate the distance of pathological changes center earlier to body surface, select size suitable a trocar tube and nook closing member for use, handle lid (1) and trocar upper end screw thread are screwed, in selected body surface position sterilization back puncture well.Observe the position whether the jacket exterior scale reaches the pathological changes center.After arriving the pathological changes center, transfer to the sleeve pipe nook closing member in the sleeve pipe, on the sleeve pipe directly on syringe adapter, or connect the band tee pipe coupling syringe, can carry out pumping liquid or pus, injection therapeutic medicine etc. also can insert the drainage tube drain as required in sleeve pipe.After the operation sleeve pipe nook closing member, sleeve pipe, handle lid, outer sleeve are cleaned and are dried, be docile and obedient the preface suit by various nook closing members, sleeve pipe size after, put into trocar sheath, reuse handle lid is tightened, behind the high-pressure steam sterilization, for use next time.

This utility model patent has not only solved the problem that the trocar in the past can not directly connect syringe, has also solved the problem of no scale mark on the trocar.Be that a kind of suitability is strong, novel in design, the trocar of compact conformation.

Claims

1, a kind of easy trocar, the handle lid is connected with trocar sheath, and sleeve pipe nook closing member and handle lid joint sleeve nook closing member pass sleeve pipe, it is characterized in that the cylinder table lower end of sleeve pipe nook closing member is a frustum of a cone, and jacket exterior has scale, and the frustum of a cone inside of band shirt rim has a round taper hole.

2, according to the described easy trocar of claim 1, it is characterized in that: the sleeve pipe nook closing member is made up of needle tubing (10), needle point (11), connector (8) three parts, the Pedicellus et Pericarpium Trapae cone is made at needle point (11) tip and needle tubing (10) is connected as a single entity, connector (8) upper end is a cylinder table, on screw thread is arranged, mid portion has an outstanding cylinder table, around cylinder, straight burr or twill have been rolled, the lower end is a frustum of a cone, around cylinder, straight burr or twill have been rolled, the lower end is a frustum of a cone, and external diameter is consistent with syringe adapter or tee pipe coupling size.

3, according to the described easy trocar of claim 1, it is characterized in that: sleeve pipe is firmly to be formed by connecting by the frustum of a cone (12) of a steel pipe (14) with the band shirt rim, there is scale steel pipe (14) outside, with entering the intravital depth of needle of people for control, the frustum of a cone inside of band shirt rim has a round taper hole, and its internal diameter just in time matches with syringe adapter and tee pipe coupling size.