JP3330820B2 - Puncture needle holding device for ultrasonic probe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a puncture needle holding device for an ultrasonic probe of an ultrasonic diagnostic device used for medical diagnosis.

[0002]

2. Description of the Related Art As a puncture needle holding device of this type, a device as described in Japanese Utility Model Laid-Open Publication No. 4-40610 has been known. As shown in FIG. 4, a needle guide 3 is attached to an ultrasonic probe 1 via a puncture fitting 2 and a guide pipe 4 is freely retractable from an upper end of a vertical hole formed through the needle guide 3. The puncture needle 5 is inserted and supported, and the puncture needle 5 is inserted from the upper end of the center hole of the guide pipe 4.

[0003]

In recent years, in this type of puncture needle surgery, it has become essential to give due consideration to the management and handling of the mediating device. In the above conventional example,
Although all are made of metal and achieve the purpose by boiling or dipping the whole device, it takes a long time to perform cleaning, washing and disinfection, and further sterilization,
When used at short intervals, it is extremely inconvenient,
There was a problem that if it was used at short intervals, many expensive devices would have to be prepared.

Further, in the above conventional example, the needle guide 3 for holding the puncture needle 5 via the guide pipe 4 has a structure in which the hook provided at the upper end thereof is simply hooked on the guide receiver 6, so that the needle guide 3 is simple. However, there is a problem that it cannot be securely fixed. In addition, the needle guide 3 can be moved along the curved surface of the guide receiver 6 so that the insertion angle of the puncture needle 5 can be changed. Can be confirmed, but since there is no guide to the target, there is a problem that it is difficult to match the angle at which the needle is positioned with the angle on the image, which is inconvenient. Furthermore, there has been a problem that no measures have been taken to prevent infection between subjects through this device.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and is an ultrasonic probe for an ultrasonic diagnostic apparatus which can be easily attached and detached, has a wide aiming range, can be accurately positioned, and has high safety. It is an object of the present invention to provide a puncture needle holding device.

[0006]

According to the present invention, there is provided an ultrasonic probe comprising:
The puncture needle holding device uses an ultrasonic
A mounting aid plate to be attached to the probe and an end of the mounting aid plate
Locked part detachably locked to the locking part formed on the part
And a needle holder for holding the needle holding rod in an insertable manner.
A holding rod support plate, wherein the locking portion and the locked portion
That positioning holes and projections that can engage with each other are provided.
Characterized for easy positioning and accurate positioning
To cover the ultrasonic probe and the mounting aid plate.
The needle support bar support plate on the mounting
Ultrasonic probe can be attached
Blood and body fluid during treatment adhere to the tentacles and the mounting aid
Nothing. In addition, the aiming range is wide,
Not Align, of the screen on the guidelines that will be prepared in advance
Accurate positioning can be performed.

[0007] Further, the ultrasonic probe of the present invention holds a puncture needle.
In the apparatus, the mounting auxiliary plate and the needle holding bar support plate are combined.
Molded with a synthetic resin, the locking part and the locked part
One has a substantially D-shaped cross section and the other has a substantially C-shaped cross section.
The elasticity is imparted by forming the tip portion thinner.
Lever turned outward on both sides of the tip
Formed of synthetic resin
By reducing the cost, C-shaped cross section
Easy to deform elastically by making the tip side thinner
It can be easily opened by grasping the lever
The attachment support plate and the needle holding bar support plate can be easily attached and detached.
I can.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a configuration of a puncture needle holding device for an ultrasonic probe according to an embodiment of the present invention.
You. In FIG. 1, reference numeral 11 denotes an ultrasonic probe, and an ultrasonic vibration element is arranged at a lower end thereof. Reference numeral 12 denotes a mounting auxiliary plate having one end attached to the ultrasonic probe 11 via a rotatable stopper 17, and 13 denotes a mounting auxiliary plate 12.
Is a needle holding bar support plate that is detachably attached to the opposite end via a hook portion 16. Reference numeral 14 denotes a needle holding bar which is inserted into the needle holding bar support plate 13 and is rotatably attached thereto, and guides and holds the puncture needle 15. Mounting auxiliary plate 12
The needle holding bar support plate 13 and the needle holding bar support plate 13 are made of synthetic resin and are integrated. 18 is a mounting auxiliary plate 12
And a cover for covering the ultrasonic probe 11. Reference numeral 19 denotes three grooves provided on one side surface of the needle holding rod support plate 13 for guiding insertion of a puncture needle, and are arranged in a fan shape so that the center lines of the grooves 19 intersect near the surface of the subject. ing.

FIG . 2 shows a mounting auxiliary plate 1 according to the present embodiment.
2 shows the relationship between the needle holding bar 2 and the needle holding bar support plate 13. The mounting assisting plate 12 has, at one end thereof, a locking portion 12a formed in a mushroom-shaped cross section with both sides cut off except for a semicircular portion of a raised cylinder. On the other hand, the needle holding rod support plate 1
3 is formed at the end on the side of the mounting auxiliary plate 12 with a locked portion 13a formed by a circular hole having one end opened, and the middle portion and the tip portion are formed to be thin and folded back to both outer sides. The lever 13b is configured to have elasticity due to its shape and physical properties. Further, a rectangular hole 12b is formed in the locking portion 12a at the end on the locked portion 13a side, and a projection 13 which engages with the hole 12b is formed in the locked portion 13a.
c is formed.

[0010] Next will be described operation of the present embodiment. First, after cleaning and wiping the ultrasonic probe 11,
The mounting auxiliary plate 12 is fitted into the ultrasonic probe 11 and fixed by fitting a U-shaped stopper 17. Next, an acoustic coupling agent (not shown) is applied to the surface of the ultrasonic vibration element at the lower end of the ultrasonic probe 11, and the cover 18 covers the entire ultrasonic probe 11 and the mounting auxiliary plate 12. And secure it with a string.
The bag-like cover 18 is mounted such that the bottom portion is in close contact with the element surface and the slack is as small as possible. Next, the needle holding bar support plate 13 that has been disinfected and sterilized
And the locked portion 13b of the mounting auxiliary plate 12
a into the cover 18 from above. Needle holding bar support plate 13
Since the locked portion 13a is provided with elasticity at an intermediate portion and a tip portion thereof, it can be easily opened by grasping the lever 13b, and even if the cover 18 is interposed, it can be easily damaged without being damaged. It can be attached to the locking portion 12a. At this time, the hole 12b of the locking portion 12a and the locked portion 13
The projections 13b of a are also fitted to each other, but in the case of upside down, the positional relationship is determined so that they do not fit. Therefore, the needle holding bar support plate 13 is attached to the mounting auxiliary plate 12 upside down. There is no. Then, the needle holding rod 14 is inserted into the groove 19 of the needle holding rod support plate 13 from above, the position is adjusted, and a hole for passing the puncture needle 15 as shown in FIG. 3 is formed.

[0011] Next, the inspection act by applying the ultrasonic probe 11 to the subject. Then, after insertion into the affected area of the subject in the state of b in Figure 3 the puncture needle 15, a needle holder bar 14 by turning 180 degrees in the state of a rid the ultrasonic terminal 11 us. At the time of the next puncturing operation, the needle holding bar support plate 13 is attached to the mounting auxiliary plate 1.
If the subject is different from the subject 2, if the subject is different, the cover 18 is replaced and the puncturing operation is performed again in the same steps. After all the puncturing operations are completed, the cover 18 is removed from the ultrasonic probe 11 and the mounting aid plate 12 is moved to the ultrasonic probe 1 by the stopper 17.
Remove from 1 and finish the work.

As described above, according to the above embodiment, the needle
The elasticity is provided at the tip end side of the locked portion 13a of the holding rod support plate 13.
Since the lever 13b is provided,
Open it easily and do not damage it even if the cover 18 is interposed.
And can be easily attached to the locking portion 12a.
You. At this time, the hole 12b of the locking portion 12a is locked with the locked portion.
Since the protrusions 13b of the portion 13a also fit together, the needle holding rod
The positioning of the support plate 13 can be performed reliably. Further
And the cover 1 on the mounting auxiliary plate 12 and the ultrasonic probe 11.
By multiplying by 8, blood or body fluid of the subject does not adhere to them, and advanced infection prevention is achieved.
In addition, since a plurality of puncture needle guide grooves 19 arranged in a fan shape are provided in the needle holding bar support plate 13, the aiming range is wide, and alignment is not performed by reference. Accurate positioning can be performed.

In the above embodiment, the locking portion 12a
Has a mushroom-shaped cross section, and the locked portion 13a is a circular hole with one end opened, but one has a substantially D-shaped cross section and the other has a substantially C-shaped cross section.
Any shape may be used as long as the shape is formed. Further, in the above-described embodiment, the linear type ultrasonic probe has been described as an example, but even if the ultrasonic probe is a convex type,
It may be a mechanical sector type.

[0014]

As described above, according to the present invention, the auxiliary mounting plate is attached to the ultrasonic probe, and the needle holding bar support plate is attached to the locking portion formed at the end of the auxiliary mounting plate. After the engaging portion is detachably engaged and positioned and attached by fitting the hole and the projection , the needle holding bar for holding the puncture needle is attached to the needle holding bar support plate. The support plate is securely fixed, easy to attach and detach, and attached to the ultrasonic probe
If you attach an auxiliary plate and cover the whole with a cover,
Complicated boiling disinfection, sterilization, and the like can be minimized, and the cover can prevent advanced infection. In addition, the mounting support plate and needle holding rod support plate
Molded with grease, and one of the locking part and locked part is cross-sectional
It is formed substantially D-shaped, and the other is formed substantially C-shaped in cross section.
Elasticity is imparted by making the tip side of the C shape thinner
And form an outwardly folded lever on both sides of the tip.
The needle holding bar support plate for the mounting auxiliary plate
Can be more easily attached and detached.

[Brief description of the drawings]

FIG. 1 is a front view showing a configuration of a puncture needle holding device of an ultrasonic probe according to an embodiment of the present invention.

2A is a perspective view of a mounting auxiliary plate and a needle holding bar support plate of the device. FIG. 2B is a partial plan view of a coupling portion between the mounting auxiliary plate and the needle holding bar support plate of the device.

FIG. 3 is a cross-sectional view of a needle holding bar support plate in the device.

FIG. 4 is a front view showing a configuration of a conventional puncture needle holding device for an ultrasonic probe.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Ultrasonic probe 12 Mounting auxiliary plate 13 Needle holding bar support plate 14 Needle holding bar 15 Puncture needle 16 Hook part 17 Stopper 18 Cover 19 Groove

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61B 8/00-8/15

Claims (1)

(57) [Claims] 1. A needle comprising a mounting auxiliary plate mounted on an ultrasonic probe, a locked portion detachably locked to a locking portion formed at an end of the mounting auxiliary plate, and a needle. A needle holding rod indicating plate for holding the holding rod so as to be insertable, a positioning hole and a projection which can be engaged with each other in the locking portion and the locked portion, and Hariho
The holding rod indicating plate is formed of synthetic resin, and the locking portion and the front
One of the locked portions has a substantially D-shaped cross section, and the other has a
By making the surface almost C-shaped and making the tip side thinner
Elasticity is provided and it is folded outward on both sides of the tip
A puncture needle holding device for an ultrasonic probe, characterized in that the puncture needle holding device has a lever which is provided .