JPS6216648B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical field to which the invention pertains] The present invention relates to an accessory device for an ultrasonic diagnostic apparatus used primarily for medical purposes. In particular, the present invention relates to a device for holding a puncture needle on a probe that contacts a living body in order to puncture the living body with the puncture needle while observing the inside of the living body using an ultrasonic diagnostic device.

[Description of prior art]

2. Description of the Related Art A treatment or examination method is known in which a probe of an ultrasonic diagnostic device is applied to the surface of a living body to monitor the inside of the living body, and a puncture needle is inserted into the inside of the living body. For this purpose, the probe of the ultrasonic diagnostic device requires a puncture tool to hold the puncture needle, and conventionally, the probe itself has a structure with a guide for the puncture needle formed, or a normal probe such as a sector type probe has been used. A structure is known in which a puncture holder is attached to the probe as an accessory device.

A structure in which the puncture needle guide is formed in the probe itself loses the versatility of the probe, which includes a large number of expensive electroacoustic transducers, making the device expensive, and it takes time to clean and disinfect the guide part.
Disadvantages include the inability to perform high-temperature cleaning without damaging electronic devices.

In this respect, a device in which the holder is an attached device to the probe is superior, but conventional devices of this type
It is not easy to attach and detach the accessory device from the probe, and the operation when placing the puncture needle in the living body is complicated because it involves attaching and detaching screws.The structure is complex and there are many parts, so it is easy to disinfect and sterilize. There were some drawbacks such as:

[Publicly known documents]

Journal of the Japanese Urological Association, Vol. 70, No. 1, p. 46, 1979 Saito et al. "Clinical application of ultrasonic puncture using a real-time display device in the urological field" [Object of the invention] The present invention is intended for use primarily in medical applications. While observing the inside of the living body using an ultrasonic diagnostic device, the structure allows the puncture needle to be inserted into the living body to be easily attached to and removed from the puncture needle holder for attaching the probe, without being obstructed by the puncture needle holder. The purpose of the present invention is to provide a puncture needle holder for attaching a probe that facilitates scanning diagnosis, cleans and disinfects a guide part in a high-temperature atmosphere, and can completely sterilize the device.

[Features of the invention]

The present invention provides a holder for holding a puncture needle that is attached to a probe that incorporates an electroacoustic transducer of an ultrasonic diagnostic apparatus and is used to puncture the inside of an object to be observed by the probe, which is crimped onto the outer casing of the probe. a mounting portion configured to be mounted;
an arm portion that is fixed to the attachment portion and has a groove formed at its tip having both edges parallel to the puncturing direction and a flat bottom surface, and is removably fitted between both edges of the groove of the arm portion; A guide is formed to hold the puncture needle using the bottom surface of the groove as a regulating surface, and includes a guide sleeve including a spring piece that clamps the tip of the arm to facilitate scanning observation;
The feature is that the guide part can be completely cleaned and disinfected.

The mounting part includes a metal fitting that covers the outer casing of the probe, and a bolt nut that can be rotated by hand for tightening the metal fitting to the outer casing of the probe, and the mounting part, the arm part, and the guide sleeve are formed of stainless steel, It is preferable to prepare a plurality of guide sleeves each having a guide of a different size formed therein, corresponding to the thickness of the puncture needle used.

[Explanation based on examples]

Next, a holder according to an embodiment of the present invention will be explained based on the drawings.

FIG. 1 is a front view showing the configuration of the holder according to the present invention when puncturing, FIG. 2 is a rear view showing the configuration of the holder according to the present invention when puncturing, and FIG. 3 is a front view showing the configuration of the holder according to the present invention when puncturing. FIG. 4 is a front view of the holder according to the present invention with the guide sleeve separated, FIG. 5 is a right side view of the holder according to the present invention with the guide sleeve separated, and FIG. are guide sleeves of the holder according to the embodiment of the present invention, a is a left side view, b
is a plan view, c is a front view, d is a bottom view, and e is a right side view.

In the holder according to the embodiment of the present invention, at the time of puncturing, the sector probe 3 having the cable 1 and the cable bushing 2 is inserted into the attachment part 4a of the holder 4, and its position in the axial direction is determined by the positioning hole 4b. , the puncture needle 5 is held by a guide 6b of a guide sleeve 6, and this guide sleeve 6 is fixed in a groove 4e provided in an arm 4d of the holder 4 on the side where the guide 6b is provided. Groove 4e
The tip of the groove 4e is clamped and fixed by a spring 6a. The tightening portion 4c includes a nut 7, a spacer 8, and a screw 9, and is configured to adjust the tightening of the sector probe 3.

Further, the guide sleeve 6 is configured to have guides 6b each having a different groove width, and a plurality of guides 6b are prepared so that they can be used in accordance with the thickness of the puncture needle 5 to be used.

Next, the usage condition of the holder according to the embodiment of the present invention will be explained. First, the sector probe 3 is attached to the mounting portion 4a of the holder 4, and is fixed by tightening the screw 9 and nut 7 with a predetermined spacer 8 interposed therebetween.

Next, the guide sleeve 6 of the holder according to the embodiment of the present invention
There are five types of puncture needles available, and one is selected according to the thickness of the puncture needle 5 to be used, and the puncture needle is attached to the groove 4e of the holder 4 provided at a predetermined angle with respect to the axis of the sector probe 3. At this time, the upper part of the groove is held by the spring 6a of the guide sleeve 6 to perform the function of preventing it from coming off.

The guide sleeve 6 also has a guide 6b grooved to match the diameter of the puncture needle 5 as described above.
The puncture needle 5 can slide up and down using the angle of the groove 4e of the holder 4.

The probe surface 3a of the sector probe 3 is placed on the skin of the human body to observe the affected area and puncture is performed.When the puncture needle 5 is placed inside the body, when the guide sleeve 6 is slid upward, the spring 6a is inserted into the groove. 4
The puncture needle 5 is removed from the guide 6b of the guide sleeve 6, and the sector probe 3 with the holder 4 can be separated.

In this way, there is no need to attach or remove screws,
This guide sleeve 6 and the puncture needle 5 can be removed by one-touch operation of sliding only the guide sleeve 6.
The present invention is characterized in that the sector probe 3 with the holder 4 can be easily separated. Furthermore, when puncturing is not performed, the sector probe 3 is separated by loosening the screw 9 of the tightening part 4c of the holder 4, so that the internal observation operation is not hindered by the puncturing holder 4. It can be easily done.

Separable mounting part 4a and tightening part 4
c, the arm portion 4d, the holder 4 having the groove 4e, the nut 7, the spacer 8, the screw 9, and the guide sleeve 6 are made of stainless steel, and because they can be separated as described above, they cannot be washed or washed at high temperatures. Disinfection becomes possible, and sterilization operations and effectiveness can be improved.

Furthermore, the attachment part 4c of the holder 4 can be connected to a fixed arm etc. from the outside.
It also has the function of making it easier to observe the inside of the body or perform puncturing operations.

[Effects of the Invention] As described above, according to the present invention, the guide sleeve and puncture needle can be easily separated by simply sliding the guide sleeve without requiring attachment and detachment using screws.1. 2. The probe body and puncture attachment can be easily separated, allowing for individual sterilization and easy operation. 3. Retention Since the tool is made of plate-like members, there are no complicated irregularities on each part, and it is possible to thoroughly clean narrow areas without using a brush, etc. 4. The puncturing attachment is made of stainless steel, so it can be sterilized at high temperatures or in an autoclave, which has a high sterilization effect. 5. The tightening part of the holder is external. It has excellent effects such as being able to be connected to a fixed arm, etc., making observation and puncture operations easier.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the configuration of a holder according to an embodiment of the present invention during puncturing. FIG. 2 is a rear view showing the configuration of the holder according to the embodiment of the present invention at the time of puncturing. FIG. 3 is a plan view of the guide sleeve of the holder according to the embodiment of the present invention in a separated state. FIG. 4 is a front view of the guide sleeve of the holder according to the embodiment of the present invention in a separated state. FIG. 5 is a right side view of the guide sleeve of the holder according to the embodiment of the present invention in a separated state. Fig. 6 shows a guide sleeve of a holder according to an embodiment of the present invention, a is a left side view;
b is a plan view, c is a front view, d is a bottom view, and e is a right side view. 1...Cable, 2...Cable bushing,
3... Sector probe, 3a... Probe surface, 4
...Holder, 4a...Mounting part, 4b...Positioning hole, 4c...Tightening part, 4d...Arm part, 5...Puncture needle, 6...Guide sleeve, 6a...Spring, 6b... ...Guide, 7...Natsuto, 8...Spacer, 9...Screw.

Claims (1)

[Scope of Claims] 1. A holder for holding a puncture needle that is attached to a probe containing an electroacoustic transducer of an ultrasonic diagnostic device and used to puncture the inside of an object to be observed by the probe, which is attached to the outer casing of the probe. a mounting portion configured to be attached by crimping; an arm portion fixed to the mounting portion and having a groove formed at its tip having both edges parallel to the puncturing direction and a flat bottom surface; A guide is formed that is removably fitted between both edges of the groove and holds the puncture needle using the bottom surface of the groove as one regulating surface, and a guide sleeve includes a spring piece that clamps the tip of the arm. A puncture needle holder for attaching a probe, characterized by comprising: 2 The mounting part has a metal fitting that covers the outer casing of the probe,
The puncture needle holder for mounting a probe according to claim 1, further comprising a bolt and nut that can be rotated by hand for tightening the metal fitting to the outer casing of the probe. 3. The puncture needle holder for attaching a probe according to claim 1, wherein the attachment portion, the arm portion, and the guide sleeve are made of stainless steel. 4. The puncture needle holder for attaching a probe according to claim 1, wherein a plurality of guide sleeves each having a guide of a different size formed therein corresponding to the thickness of the puncture needle to be used are prepared.