CN104739489A

CN104739489A - Puncture needle

Info

Publication number: CN104739489A
Application number: CN201310751177.0A
Authority: CN
Inventors: 王佳川
Original assignee: Man Of Chongqing City Creates Science And Technology Ltd Of Setting Sail
Current assignee: Man Of Chongqing City Creates Science And Technology Ltd Of Setting Sail
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2015-07-01

Abstract

The invention discloses a puncture needle and belongs to the field of medical instruments. The puncture needle comprises a tubular needle and an electrocoagulation guide wire disposed in an inner hole of the tubular needle and flush with the end of the tubular needle. The ends of the tubular needle and of the electrocoagulation guide wire are provided with cut slopes. The tubular wall of the tubular needle is provided with a vacuum unit connector. A passage from the vacuum unit connector to the end of the tubular needle is further provided in the tubular needle. The tubular needle and the electrocoagulation guide wire are fixedly and integrally combined; during insertion of the tubular needle, the electrocoagulation guide wire is also brought to a diseased part of a human body, and surgical operations can be directly performed. Compared with the prior art, the puncture needle has the advantages that the extra time of inserting the tubular needle prior to the electrocoagulation guide wire is omitted, the problem that during the process of inserting the electrocoagulation guide wire, shaking of the tubular needle caused by external force causes injury of internal tissues is avoided, surgical quality is improved, and a patient feels less pain.

Description

Puncture needle

Technical field

The present invention designs a kind of medical apparatus and instruments, particularly relates to a kind of puncture needle be combined as a whole with coagulation seal wire.

Background technology

Puncture needle is as a kind of interventional radiology medical apparatus and instruments, for skin puncture in interventional radiology operation technique, enter in body to guide interventional radiology equipment further, the single wall needle body of prior art is a tubular barrel pin with sword head, the importing completing coagulation seal wire needs first to use puncture needle to carry out puncture procedure to human body, then by radiology equipment as coagulation seal wire enters in human body by the thin channel of puncture needle inside, therefore the subject matter existed in operating process is: puncture needle inner passage is more tiny, it is high that manual operation coagulation seal wire enters difficulty, sometimes the at substantial time is needed, puncture needle is located insecure after entering human body, shake and cause it to cause damage to inside of human body tissue, cause personal injury to patient, surgical quality is reduced by External Force Acting.

As can be seen here, in order to solve the problem, need a kind of puncture needle, not only size, structure can meet instructions for use, and easy to use, simple to operate, the operating time can be made to shorten, raise the efficiency, and reduce the injury that ambiguity factor causes patient.

Summary of the invention

In view of this, the invention provides a kind of puncture needle, puncture needle and coagulation seal wire are combined as a whole, compact conformation, external dimensions reduces, more be conducive to puncture procedure, and insert while bobbin, coagulation seal wire is brought to human body patient part in the lump, has not only saved and successively inserted bobbin and coagulation seal wire extra time used, it also avoid and insert in coagulation seal wire process, bobbin is shaken by External Force Acting the interior tissue caused and is damaged.

Puncture needle of the present invention, comprises the coagulation seal wire that bobbin is interior and equal with its leading section with the endoporus being fixedly installed on bobbin, and the leading section of described bobbin and coagulation seal wire is for cutting inclined-plane; The tube wall of described bobbin is provided with Negative pressure machine interface; The inside of described bobbin is also provided with the passage from Negative pressure machine seam to bobbin leading section.

Further, described coagulation seal wire and bobbin interference fit;

Further, described Negative pressure machine interface communicates with the endoporus of bobbin, and described coagulation seal wire is semicylinder structure from Negative pressure machine seam to its end, forms described passage with the tube wall of bobbin;

Further, the semicylinder structure division cross-sectional area of described coagulation seal wire is greater than the long-pending half of coagulation guidewire cross section;

Further, the width of the semicylinder structure place even surface of described coagulation seal wire is equal with Negative pressure machine interface internal diameter;

Further, described Negative pressure machine interface at 45 ° angle crossing with bobbin, deflection bobbin rearward end side.

The invention has the beneficial effects as follows: puncture needle of the present invention, puncture needle body and coagulation seal wire are combined as a whole, its compact conformation, less relative to the single wall puncture needle external dimensions of prior art, more be conducive to puncture procedure, and while inserting bobbin, coagulation seal wire is brought to human body patient part in the lump, not only save and successively inserted bobbin and coagulation seal wire extra time used, it also avoid and insert in coagulation seal wire process, bobbin is shaken by External Force Acting the interior tissue caused and is damaged, and improves surgical quality, reduces the pain of patient.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described:

Fig. 1 is structural representation of the present invention;

Fig. 2 is the A direction view of Fig. 1;

Fig. 3 is that the A of Fig. 1 is to half sectional view.

Detailed description of the invention

Fig. 1 is structural representation of the present invention, Fig. 2 is the A direction view of Fig. 1, Fig. 3 is that the A of Fig. 1 is to half sectional view, as shown in the figure: puncture needle of the present invention, comprise the coagulation seal wire 2 that bobbin 1 is interior and equal with its leading section with the endoporus being fixedly installed on bobbin 1, the leading section of described bobbin 1 and coagulation seal wire 2 is for cutting inclined-plane; The tube wall of described bobbin 1 is provided with Negative pressure machine interface 11; The inside of described bobbin 1 is also provided with the passage 12 from Negative pressure machine interface 11 place to bobbin leading section, and in the present embodiment, described leading section i.e. this lancet puncture enters one end in patient body.

In the present embodiment, described coagulation seal wire 2 and bobbin 1 interference fit, make to seal and fixation between coagulation seal wire 2 and bobbin 1.

In the present embodiment, described Negative pressure machine interface 11 communicates with the endoporus of bobbin 1, and described coagulation seal wire 2 is semicylinder structure from Negative pressure machine interface 11 place to its end, forms described passage 12, be beneficial to production and processing with the tube wall of bobbin.

In the present embodiment, the semicylinder structure division cross-sectional area of described coagulation seal wire 2 is greater than the half of coagulation seal wire 2 cross-sectional area, the semicylinder structure division of coagulation seal wire 2 is positioned in the endoporus of bobbin 1 reliably, and can not departs from.

In the present embodiment, the width of the semicylinder structure place even surface of described coagulation seal wire 2 is equal with Negative pressure machine interface 11 internal diameter, makes the guidance quality of described passage 12 better.

In the present embodiment, described Negative pressure machine interface 11 at 45 ° angle crossing with bobbin 1, deflection bobbin 1 rearward end side, the guidance quality making described passage 12 lead to Negative pressure machine interface 11 is better.

What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims

1. a puncture needle, is characterized in that: comprise the coagulation seal wire that bobbin is interior and equal with its leading section with the endoporus being arranged at bobbin, and the leading section of described bobbin and coagulation seal wire is for cutting inclined-plane; The tube wall of described bobbin is provided with Negative pressure machine interface; The inside of described bobbin is also provided with the passage from Negative pressure machine seam to bobbin leading section.

2. puncture needle according to claim 1, is characterized in that: described coagulation seal wire and bobbin interference fit.

3. puncture needle according to claim 2, is characterized in that: described Negative pressure machine interface communicates with the endoporus of bobbin, and described coagulation seal wire is semicylinder structure from Negative pressure machine seam to its end, forms described passage with the tube wall of bobbin.

4. puncture needle according to claim 3, is characterized in that: the semicylinder structure division cross-sectional area of described coagulation seal wire is greater than the long-pending half of coagulation guidewire cross section.

5. puncture needle according to claim 4, is characterized in that: the width of the semicylinder structure place even surface of described coagulation seal wire is equal with Negative pressure machine interface internal diameter.

6. puncture needle according to claim 5, is characterized in that: described Negative pressure machine interface at 45 ° angle crossing with bobbin, deflection bobbin rearward end side.