CN208552054U - A kind of modified form pilot pin - Google Patents

Abstract

The utility model discloses a kind of modified form pilot pins, including puncture needle, the puncture needle includes needle tubing and needle stand, the tail end of the needle tubing is arranged on the front end of needle stand, it is equipped with syringe needle in the front end of the needle tubing, the inclined angle of syringe needle is 40-50 °, is equipped at intervals with scale along its length on the outer surface of the needle tubing, it is equipped with the positioning sleeve that can be slided along its length on the needle tubing, radiopaque mark point is equipped on the positioning sleeve；The modified form pilot pin further includes the location hook and position line that needle tubing can be passed through by driving means, and one end of the position line is arranged on the tail end of location hook, and the other end of the position line extends to outside needle tubing.The utility model is not easy the risk for making location hook occur falling off, and can accurately position depth of needle, does not need to position puncture needle repeatedly, not only reduces the labor intensity of medical staff, and also saves and puncture the time.

Description

A kind of modified form pilot pin

Technical field

The utility model relates to the field of medical instrument technology, are related specifically to a kind of modified form pilot pin.

Background technique

As video diagnostic technology develops, so that the discovery of initial lung lesion becomes more and more early, increasingly it is easy, and The recall rate of the small pulmonary artery of surgical intervention is needed also increasingly to be easy.Size is greater than the small pulmonary artery of 1cm at present, can pass through The position that small pulmonary artery is determined with the localization method of finger palpation is visually observed, but when the size of small pulmonary artery is less than or equal to When 1cm, observes by the naked eye and reach 50% or more with the localization method failure rate of finger palpation, and there are Operative Ranges It is excessive, increase the risk of patient trauma.

Currently, preoperative positioning generally realizes small pulmonary artery positioning by CT guided Percutaneous, locator material packet is commonly used Metal material (buckle wire, spiral metal wire, microcoils) are included, commonly using product is wire of the end with location hook (Hook-wire), location hook is capable of fixing in intrapulmonary, in small pulmonary artery position fixing process, existing defects: and first, wire (Hook-wire) end only has barb-like location hook, and the wall of the chest is fixed in the front end portion wire (Hook-wire), due to Respiratory movement will lead to the linkage effect of wire, is not only easy to happen location hook and the risk that falls off occurs, and brings to patient Biggish sense of discomfort；Another, the existing puncture needle for pilot pin needs to estimate in puncture process or finger is big Measurement is caused, for estimating depth of needle, it is difficult to accurately position depth of needle, need to position understanding puncture needle depth of needle repeatedly It is accurately positioned with reaching, the labor intensity of medical staff is not only increased using such mode, and also improved and puncture the time, Biggish pain is brought to patient.

However in view of the deficiencies of the prior art, a kind of design is reasonable, structure is simple, it is fixed to be not easy to make it is necessary to develop by developer There is the risk to fall off in position hook, can accurately position depth of needle, not need to position puncture needle repeatedly, not only reduce The labor intensity of medical staff, and also save the modified form pilot pin for puncturing the time.

Utility model content

In order to solve the problems existing in the prior art, the utility model aim provide a kind of design rationally, structure it is simple, no The risk for easily making location hook displacement occur, fall off, can accurately position depth of needle, and it is fixed not need to carry out puncture needle repeatedly Position, not only reduces the labor intensity of medical staff, and also saves the modified form pilot pin for puncturing the time.

In order to solve the above technical problems, the utility model is realized using following technical scheme:

A kind of modified form pilot pin, including puncture needle, the puncture needle include needle tubing and needle stand, and the tail end of the needle tubing is set It sets on the front end of needle stand, is equipped with syringe needle in the front end of the needle tubing, the inclined angle of syringe needle is 40-50 °, and feature exists In；

It is equipped at intervals with scale along its length on the outer surface of the needle tubing, being equipped on the needle tubing can be along its length The positioning sleeve for spending direction sliding is equipped with radiopaque mark point on the positioning sleeve；

The modified form pilot pin further includes the location hook and position line that needle tubing can be passed through by driving means, described fixed One end of bit line is arranged on the tail end of location hook, and the other end of the position line extends to outside needle tubing.

In a preferred embodiment of the utility model, the positioning sleeve is fabricated using rubber material.

In a preferred embodiment of the utility model, the location hook is fabricated using memorial alloy.

In a preferred embodiment of the utility model, the position line is cotton thread or chemical fibre line.

In a preferred embodiment of the utility model, the inclined angle of syringe needle is 45 °.

Compared with prior art, the utility model further includes a location hook that needle tubing can be passed through by driving means and fixed One end of bit line, position line is arranged on the tail end of location hook, and the other end of position line extends to outside needle tubing, using such knot Structure is not easy the risk for making location hook occur falling off, and alleviates the sense of discomfort of patient in the course of surgery；Another, sets on needle tubing There is the positioning sleeve that can be slided along its length, radiopaque mark point is equipped on positioning sleeve, adopting the structure can be quasi- True positioning depth of needle does not need to position puncture needle repeatedly, not only reduces the labor intensity of medical staff, and It also saves and punctures the time.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is that the location hook of the utility model does not pass through the cross-sectional view after needle tubing.

Fig. 3 is enlarged drawing at the A of Fig. 2.

Fig. 4 is that the location hook of the utility model passes through the cross-sectional view after needle tubing.

Fig. 5 is enlarged drawing at the B of Fig. 4.

Specific embodiment

In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under Face combines and is specifically illustrating, and the utility model is further described.

Referring to Fig.1 shown in-Fig. 5, a kind of modified form pilot pin provided in figure, including puncture needle 100, puncture needle 100 are wrapped Include needle tubing 110 and needle stand 120.

The tail end of needle tubing 110 is arranged on the front end of needle stand 120, is equipped with syringe needle 111, syringe needle 111 in the front end of needle tubing 110 Inclined angle C is 40-50 °, and the inclined angle C of syringe needle 111 is 45 ° in the present embodiment.

It is equipped at intervals with scale 112 along its length on the outer surface of needle tubing 110, scale 112 in millimeters, is adopted The depth that medical staff can be made intuitively to observe that puncture needle is punctured with such structure, effectively raises the pilot pin Practical performance.

It is equipped with the positioning sleeve 113 that can be slided along its length on needle tubing 110, opacity is equipped on positioning sleeve 113 Mark point 113a, adopt the structure the position that can see needle tubing clearly in CT, convenient for medical staff observe paracentesis depth, energy Enough accurately positioning depth of needle, do not need to position puncture needle repeatedly, not only reduce the labor intensity of medical staff.

The modified form pilot pin further includes the location hook 210 and position line that needle tubing 110 can be passed through by driving means 220, one end of position line 220 is arranged on the tail end of location hook 210, and the other end of position line extends to outside needle tubing 110, adopts It is not easy the risk for making location hook 210 occur falling off with such structure, alleviates the sense of discomfort of patient in the course of surgery.

Positioning sleeve 113 is fabricated using rubber material, and location hook 210 is fabricated using memorial alloy, position line 220 For cotton thread or chemical fibre line, adopt the structure with good blood compatibility and histocompatbility, no inflammation reaction, in human body Interior no rejection and adverse reaction, effectively raise the practical performance of the pilot pin.

The utility model further includes the location hook and position line that needle tubing can be passed through by driving means in summary, fixed One end of bit line is arranged on the tail end of location hook, and the other end of position line extends to outside needle tubing, adopts the structure and is not easy The risk for making location hook occur falling off alleviates the sense of discomfort of patient in the course of surgery；Another, being equipped on needle tubing can edge The positioning sleeve of its length direction sliding, is equipped with radiopaque mark point, adopting the structure accurately to determine on positioning sleeve Position depth of needle, does not need to position puncture needle repeatedly, not only reduces the labor intensity of medical staff, and also save Puncture time.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted Protection scope is asked to be defined by appended claims and its equivalent.

Claims (5)

1. a kind of modified form pilot pin, including puncture needle, the puncture needle includes needle tubing and needle stand, the tail end setting of the needle tubing On the front end of needle stand, it is equipped with syringe needle in the front end of the needle tubing, the inclined angle of syringe needle is 40-50 °, and feature exists In；

It is equipped at intervals with scale along its length on the outer surface of the needle tubing, being equipped on the needle tubing can be square along its length To the positioning sleeve of sliding, radiopaque mark point is equipped on the positioning sleeve；

The modified form pilot pin further includes the location hook and position line that needle tubing can be passed through by driving means, the position line One end be arranged on the tail end of location hook, the other end of the position line extends to outside needle tubing.

2. a kind of modified form pilot pin according to claim 1, it is characterised in that: the positioning sleeve uses rubber material system It makes.

3. a kind of modified form pilot pin according to claim 1, it is characterised in that: the location hook uses memorial alloy system It makes.

4. a kind of modified form pilot pin according to claim 1, it is characterised in that: the position line is cotton thread or chemical fibre Line.

5. a kind of modified form pilot pin according to claim 1, it is characterised in that: the inclined angle of syringe needle is 45 °.