CN2537409Y - Guided tracheal puncutre needle - Google Patents

Abstract

The utility model discloses a guided tracheal puncture needle, comprising a tubular needle shank and a stylet with an arc-shaped head, which is characterized in that the stylet is inserted in the tubular cavity of the needle shank with the tip outside the tubular cavity, the needle shank becomes thicker from the tip to the top with a Y-shaped tail, a joint is arranged at the main side, an inlet for the guide steel wire is arranged at the minor side, and an joint for injector is arranged at the tail, wherein a movable rubber plug is inserted in the inlet for the guide steel wire, and the head of a connecting base is fixedly connected the stylet and then inserted in the joint of the needle shank, the movable connecting nut on the connecting base is matched with the thread at the main side of the needle shank to connect the connecting base with the needle shank. The utility model has the advantages that the operation of the puncture trachea cannula placement is convenient and safe.

Description

Guiding type trachea puncture pin

Technical field

The puncture method tracheal casing pipe that this utility model relates in a kind of medical serious symptom rescue is placed the trachea puncture pin of the innovation of art use.

Background technology

At present when rescuing critically ill patient such as laryngeal obstruction, severe dyspnea, cardio-pulmonary resuscitation clinically, the method for using tracheal intubation usually is conduit per os or nose, enters by throat, glottis and keeps respiratory passage unblocked in the trachea, and can connect respirator and use.But if run into particular difficulty cause intubation defeat, because of a variety of causes as infect when bottleneck throat, under the trachea epimere mucosa after unsuitable intubate such as hematoma or the long-time intubate tunica mucosa tracheae damage patients such as serious, usually adopt tracheotomy to place tracheal casing pipe and set up respiration channel, but tracheotomy complicated operation, time-consuming many, damage is big, and the danger of accidentally injuring the cervical region trunk is arranged.Before this, the applicant has proposed patent application with regard to " guiding type circular arc trachea puncture pin " to China Intellectual Property Office on November 2nd, 2000, application number is: 00239950.4, Granted publication day is: calendar year 2001 JIUYUE 26 days, it provides a kind of tracheotomy that can replace fully and places the tracheal casing pipe of various models, and simple to operate, save time, the puncture method tracheal casing pipe of innovation that safety, damage are little places one of used crucial apparatus of art.Further discover, though above-mentioned patented technology reaches original design purpose substantially, but also there is certain problem, such as: need preliminary expansion just can insert the pincers point of guiding type circular arc trachea puncture bore expansion pincers with the puncturing hole after the syringe needle puncture of this puncture needle, if the circular arc overcoat with this pin comes preliminary dilated penetration hole, then be awkward, and, guiding lost efficacy because of its tip aperture obviously the guide wire bending occurs easily greater than the guide wire diameter because of it is short and small.Certainly, also can be in addition equal the preliminary dilated penetration hole of expansion bar that guide wire diameter, length be suitable for operating to overcome the existing problem of use overcoat with a tip aperture, but, the complexity and the operating time of performing the operation have been increased owing to there is the expansion bar to penetrate and withdraw from the operation of guide wire.

Summary of the invention

The purpose of this utility model is to solve the problem that above-mentioned " guiding type circular arc trachea puncture pin " exists in order to provide a kind of, and makes more convenient, the safe puncture method tracheal casing pipe of operation place the used guiding type trachea puncture pin of art.

Main technical schemes of the present utility model is: the needle body and the nook closing member head of tubular structure are curved in this guiding type trachea puncture pin, nook closing member inserts in the tube chamber of needle body, and the needle point of nook closing member exposes outside the tube chamber, needle body is up thin-to-thick from the tip, its afterbody is a Y shape structure, master has interface, secondary side is the guide wire inlet, be plugged with movable plug in the guide wire inlet, Connection Block head and nook closing member are affixed and insert in the interface of needle body, afterbody has syringe interface, and the movable coupling nut on the Connection Block and the threaded engagement of needle body master couple together Connection Block and needle body.

The apparatus guiding type circular arc trachea puncture bore expansion pincers (Chinese patent of guiding type trachea puncture pin of the present utility model and other two kinds of innovations, the patent No.: 00239935.0) and guiding type tracheal casing pipe tube core (Chinese patent, the patent No.: 00239934.2) and the tracheal casing pipe of respective model be used.At first with the nook closing member of guiding type trachea puncture pin, Connection Block inserts needle body and screws coupling nut, syringe interface at Connection Block connects syringe, the needle body remains on the sagittal plane of the person's of being punctured midline of body, the vertical line that as far as possible keeps point of puncture skin during inserting needle is the tangent line of piercing needle, inserting needle is used syringe pump on one side on one side, have gas then to show to be punctured to trachea to " sense falls through " and resorption occurring, outward winding this moment coupling nut and extract nook closing member, interface with syringe socket needle body master, so that resorption has gas at any time, show that the puncture needle tip is at the trachea intracavity, extract the movable plug of guide wire inlet simultaneously, the guide wire part is imported trachea from this inlet, along guide wire the needle body head still being exposed part inserts to do preliminary expansion to puncturing hole, withdraw from puncture needle thereupon, keep somewhere guide wire, insert the pincers point of guiding type circular arc trachea puncture bore expansion pincers again to puncturing hole along guide wire, appropriateness firmly crimper handle makes puncturing hole be expanded to required size, withdraw from stretching pliers, keep somewhere guide wire, the outer tube that puts tracheal casing pipe with guiding type tracheal casing pipe tube core inserts trachea along guide wire from puncturing hole at last, extract tube core and guide wire then, keep somewhere and fixing outer tube, put into the pipe of tracheal casing pipe, finish the placement tracheal casing pipe and set up respiration channel; Therefore, the apparatus guiding type circular arc trachea puncture bore expansion pincers of this utility model and other two kinds of innovations and the tracheal casing pipe of guiding type tracheal casing pipe tube core and respective model are used, can reach and replace tracheotomy to place the purpose of tracheal casing pipe fully, and this utility model overcome the problem that former guiding type circular arc trachea puncture pin exists, operate easier, save time, safety, damage is little.

Description of drawings

Fig. 1 is the structural representation of an embodiment of this utility model.

The specific embodiment

As shown in Figure 1, the needle body 2 and nook closing member 1 head of tubular structure are curved in the guiding type trachea puncture pin of the present utility model, nook closing member 1 inserts in the tube chamber 21 of needle body 2, and the needle point 11 of nook closing member 1 exposes outside the tube chamber 21, needle body 2 is up thin-to-thick from the tip, its afterbody is a Y shape structure, master has interface 22, secondary side is a guide wire inlet 23, be plugged with movable plug 6 in the guide wire inlet, in the interface 22 of the affixed and insertion needle body 2 of Connection Block 3 heads and nook closing member 1, afterbody has syringe interface 31, the movable coupling nut 4 on the Connection Block 3 and the threaded engagement of needle body 2 masters couple together Connection Block 3 and needle body 2.Connection Block 3 head size are with identical with matching used syringe 5 heads of this guiding type trachea puncture pin.Needle body 2 head outer surfaces have the length scale, so that operation the time can be grasped the degree of depth that puncture needle inserts.

Claims (3)

1, a kind of guiding type trachea puncture pin, it is characterized in that: needle body of tubular structure (2) and nook closing member (1) head are curved, nook closing member (1) inserts in the tube chamber (21) of needle body (2), and the needle point (11) of nook closing member (1) exposes outside the tube chamber (21), needle body (2) is up thin-to-thick from the tip, its afterbody is a Y shape structure, master has interface (22), secondary side is a guide wire inlet (23), be plugged with movable plug (6) in the guide wire inlet, Connection Block (3) head and nook closing member (1) are affixed and insert in the interface (22) of needle body (2), afterbody has syringe interface (31), the threaded engagement of movable coupling nut (4) on the Connection Block (3) and needle body (2) master couples together Connection Block (3) and needle body (2).

2, a kind of guiding type trachea puncture pin according to claim 1, it is characterized in that: needle body (2) head outer surface has the length scale.

3, a kind of guiding type trachea puncture pin according to claim 1 is characterized in that: Connection Block (3) head size is with identical with the matching used injector head of this guiding type trachea puncture pin.