JP6880963B2 - Puncture guide and ultrasonic diagnostic equipment with puncture guide - Google Patents

Description

The present invention relates to a puncture guide for guiding a needle when puncturing a needle while using an ultrasonic diagnostic apparatus, and an ultrasonic diagnostic apparatus with a puncture guide provided with the puncture guide.

When performing a puncture operation to puncture a patient with a needle or the like, it may be preferable to perform the puncture operation while confirming the puncture state (needle position, direction, depth, etc.), and a device for confirming the puncture state. The ultrasonic diagnostic apparatus is known as. The ultrasonic diagnostic device is a device that visualizes the inside of a patient and includes a probe and a monitor. The ultrasonic diagnostic apparatus first applies a probe to the body surface of a part of the body to be visualized, so that a cross-sectional image of that part is displayed on a monitor, and the practitioner punctures a needle or the like while looking at the monitor. As such a probe, for example, the imaging transducer of Patent Document 1 is known, and a needle guide is provided on the side surface of the imaging transducer. The needle guide can be used to insert a needle or the like to be punctured, and the imaging transducer can be used to orient the needle to be punctured by the needle guide.

Japanese Unexamined Patent Publication No. 2016-93505

The imaging transducer of Patent Document 1 is configured separately from the monitor. Therefore, the practitioner needs to move the imaging transducer by hand while looking at the monitor to perform further puncture work. That is, since the practitioner needs to move the imaging transducer and perform the puncture work without looking at the hand, a high skill level is required to perform the puncture. Therefore, the following ultrasonic diagnostic devices that do not require a high degree of skill have been developed.

That is, in the developed ultrasonic diagnostic apparatus, the probe and the monitor are provided in one casing, that is, the probe and the monitor are integrally configured. With this ultrasonic diagnostic device, the practitioner can perform the puncture work while looking at both his / her own hand and the monitor, and does not require a high degree of skill as compared with the device in which the probe and the monitor are located apart from each other. It is conceivable that an ultrasonic diagnostic apparatus having such a function also employs a puncture guide as in the imaging transducer of Patent Document 1, and it is possible to effectively utilize the puncture guide in the ultrasonic diagnostic apparatus. It is desired.

Therefore, an object of the present invention is to provide a puncture guide that can be effectively used for an ultrasonic diagnostic apparatus.

In the puncture guide of the present invention, a probe for receiving ultrasonic waves and an image display unit for displaying an image created based on the received ultrasonic waves are provided in one casing, and the probe is arranged at one end in a predetermined direction of the casing. A puncture guide attached to an ultrasonic diagnostic apparatus on which the image display unit is arranged on the main surface of the casing, and the needle of the needle assembly for puncturing can be inserted into the needle. A guide portion having a guide hole for guiding the needle so that the needle tip passes a position separated from the probe in a predetermined direction by a predetermined distance is provided, and the guide portion is the main surface of the casing and is the same. It is arranged on one end side in a predetermined direction from the image display unit.

According to the present invention, since the guide portion is provided on one end side of the image display portion in the predetermined direction on the main surface of the casing, it is easy to understand the correspondence between the image projected on the image display portion and the position of the needle. It is possible to facilitate the puncture work. As a result, the puncture guide can be effectively used for the ultrasonic diagnostic apparatus.

In the ultrasonic diagnostic apparatus with a puncture guide of the present invention, a probe for receiving ultrasonic waves and an image display unit for displaying an image created based on the received ultrasonic waves are provided in one casing, and the casing is provided in a predetermined direction. An ultrasonic diagnostic apparatus in which a probe is arranged on an end surface and an image display unit is arranged on the main surface of the casing, and the needle provided in the casing and capable of inserting a needle for puncturing is inserted. The puncture guide includes a puncture guide having a guide hole for guiding the needle so that the needle tip of the needle passes through a position separated from the probe in a predetermined direction by a predetermined distance, and the puncture guide is the image display unit on the main surface. The casing is provided so as to be located on the other end side in a predetermined direction.

According to the present invention, since the guide portion is provided on one end side of the image display portion in the predetermined direction on the main surface of the casing, it is easy to understand the correspondence between the image projected on the image display portion and the position of the needle. It is possible to facilitate the puncture work. As a result, the puncture guide can be effectively used for the ultrasonic diagnostic apparatus.

According to the present invention, the puncture guide can be effectively used for the ultrasonic diagnostic apparatus.

It is a perspective view of the ultrasonic diagnostic apparatus with a puncture guide of 1st Embodiment seen from obliquely above. It is a front view which shows the state which the puncture guide was removed from the ultrasonic diagnostic apparatus of FIG. It is a perspective view which looked at the puncture guide of FIG. 2 from the front diagonally above. It is the bottom view which looked at the puncture guide of FIG. 2 from the bottom. It is a left side view which shows the state which inserted the needle assembly into a puncture guide in the ultrasonic diagnostic apparatus with a puncture guide of FIG. FIG. 5 is a front view of the ultrasonic diagnostic apparatus with a puncture guide of FIG. 5 as viewed from the front. It is a perspective view of the ultrasonic diagnostic apparatus with a puncture guide of the 2nd Embodiment seen from obliquely above.

Hereinafter, the puncture guides 1 and 1A and the ultrasonic diagnostic apparatus 2 and 2A with puncture guides according to the first and second embodiments according to the present invention will be described with reference to the drawings. The concept of the direction used in the following description is used for convenience in the explanation, and does not limit the direction of the configuration of the invention to that direction. Further, the puncture guides 1 and 1A and the ultrasonic diagnostic apparatus 2 and 2A with puncture guides described below are only one embodiment of the present invention. Therefore, the present invention is not limited to the embodiment, and can be added, deleted, or changed without departing from the spirit of the invention.

[First Embodiment]
The ultrasonic diagnostic apparatus 2 with a puncture guide shown in FIG. 1 is used when puncturing a needle or the like while visualizing a blood vessel or the like under the skin, and includes a puncture guide 1 and an ultrasonic diagnostic apparatus 3. .. The puncture guide 1 is attached to a monitor-integrated ultrasonic diagnostic device (hereinafter, simply "ultrasonic diagnostic device") 3 to guide the needle 31a of the needle assembly 31, which will be described later. Further, the ultrasonic diagnostic apparatus 3 is for visualizing the state of the subcutaneous tissue. That is, the ultrasonic diagnostic apparatus 3 can visualize the state of the subcutaneous tissue of the pressed portion by pressing it against the body surface coated with a liquid gel such as an echo gel. Hereinafter, an example of the configuration of the ultrasonic diagnostic apparatus 3 and the puncture guide 1 will be described.

<Ultrasonic diagnostic equipment>
As shown in FIG. 2, the ultrasonic diagnostic apparatus 3 includes a casing 11, a probe 12, and a monitor 13. The casing 11 is a box-shaped member having a substantially rectangular shape when viewed from the front, and a tip end side portion 11a, which is a lower end portion thereof, is formed in a trapezoidal shape tapering toward the tip end 11b. A probe 12 is arranged at the tip 11b of the casing 11. That is, the ultrasonic diagnostic apparatus 3 has a probe 12 at its tip 3a. Further, the casing 11 is tilted to the rear side from the intermediate portion to the base end side portion, and the monitor 13 is arranged on the front surface (that is, the main surface) 11d thereof. The functions of the probe 12 and the monitor 13 will be described below.

The probe 12 is configured to transmit and receive ultrasonic waves, and is configured by, for example, a vibrator such as a piezoelectric element. Further, the probe 12 is connected to a control device (not shown) housed in the casing 11 and transmits ultrasonic waves in response to a command from the control device. Further, the probe 12 receives the ultrasonic waves reflected from each tissue under the skin, that is, the reflected waves, and outputs a signal corresponding to the received ultrasonic waves to the control device. The control device performs image processing based on the signal, and outputs the image data obtained by the image processing to the monitor 13.

The monitor 13, which is an example of the image display device, is, for example, a liquid crystal type monitor and an organic EL type monitor, and is adapted to display an image according to the image data. That is, the monitor 13 displays an image created based on the reflected wave received by the probe 12. The monitor 13 having such a function is arranged on the front surface 11d of the casing 11 as described above. The width of the left and right sides of the monitor 13 extends from the vicinity of the left end to the vicinity of the right end of the casing 11, and the height of the top and bottom extends from the intermediate portion to the vicinity of the base end. That is, the monitor 13 is the front surface 11d of the casing 11 and is arranged from the intermediate portion to the base end.

In the ultrasonic diagnostic apparatus 3 configured in this way, ultrasonic waves are transmitted from the probe 12 as described above. For example, when the probe 12 is applied to the body surface, the transmitted ultrasonic waves are reflected by various tissues under the skin, and the reflected waves are received by the probe 12. In the ultrasonic diagnostic apparatus 3, image processing is performed based on the received reflected wave, and the state of the subcutaneous tissue is displayed on the monitor 13. The ultrasonic diagnostic apparatus 3 having such a function is used when puncturing a blood vessel or the like under the skin, and when performing the puncture operation, the tip side portion of the ultrasonic diagnostic apparatus 3, that is, The puncture guide 1 is attached to the tip end side portion 11a of the casing 11.

<Puncture guide>
The puncture guide 1 has a bracket 21 and a guide portion 22 as shown in FIG. The bracket 21 is a cover-like member having a substantially trapezoidal shape when viewed from the front, and the inner space thereof is formed according to the outer shape of the tip end side portion 11a of the casing 11. Therefore, the bracket 21 can be mounted so as to cover the tip end side portion 11a of the casing 11. Further, a pair of grooves 21a and 21a are formed on each of the left and right side surfaces of the bracket 21.

The pair of grooves 21a and 21a are formed apart from each other in the front-rear direction, and the flexible pieces 21b are formed between them by forming the grooves 21a and 21a apart from each other. Further, an engaging hole 21c is formed in the flexible piece 21b. That is, the bracket 21 has a pair of engaging holes 21c and 21c arranged on the left and right respectively. Further, the casing 11 is formed with a pair of engaging protrusions 11c and 11c corresponding to the pair of engaging holes 21c and 21c, respectively. Each of the pair of engaging protrusions 11c and 11c fits into each of the pair of engaging holes 21c and 21c when the bracket 21 is attached to the tip end side portion 11a of the casing 11. As a result, the bracket 21 engages with the casing 11. As a result, the bracket 21 is mounted in a state of being positioned on the tip end side portion 11a of the casing 11.

Further, the pair of flexible pieces 21b and 21b are expanded to the left and right by the pair of engaging protrusions 11c and 11c when the bracket 21 is attached to the casing 11 and when the bracket is removed from the casing 11. There is. As a result, the bracket 21 is configured to be removable from the casing 11, and the bracket 21 cannot be easily detached from the casing 11 after mounting. The bracket 21 having such a shape further has a fitting protrusion 21d for attaching the guide portion 22 to the bracket 21.

The fitting protrusion 21d is integrally provided on the front surface of the bracket 21 (that is, the surface on the same side as the front surface 11d of the casing 11) 21f. The fitting protrusion 21d is arranged at the center in the left-right direction on the front surface 21f of the bracket 21, and is formed so as to project forward from the front surface 21f of the bracket 21. More specifically, the fitting protrusion 21d is formed in the shape of a plate having a substantially right triangle in a side view, and the hypotenuse portion is integrally formed there with the front surface 21f of the bracket 21 facing. Further, the fitting protrusions 21d have protrusions 21e and 21e on the left and right side surfaces, and the protrusions 21e and 21e project outward from the side surfaces in the left-right direction and the front surface of the fitting protrusions 21d. It extends diagonally forward and upward along. A guide portion 22 is fitted to the fitting protrusion 21d formed in this way.

The guide portion 22 guides the needle 31a to be punctured when puncturing the subcutaneous tissue with the needle 31a (see FIGS. 5 and 6 described later) of the needle assembly 31 such as an indwelling needle, and determines the puncture direction of the needle 31a. It is formed in a roughly trapezoidal block shape when viewed from the side. More specifically, the guide portion 22 is formed with a fitting groove 22a penetrating in the vertical direction. The fitting groove 22a opens rearward, and its shape is formed to match the shape of the fitting protrusion 21d. That is, the fitting groove 22a extends diagonally downward and rearward, and a pair of groove portions 22b, 22b are formed on the inner peripheral surface of the guide portion 22 so as to correspond to the pair of ridge portions 21e, 21e. Therefore, the guide portion 22 can insert the fitting protrusion portion 21d into the fitting groove 22a from the lower side thereof, and by inserting the guide portion 22, the fitting protrusion portion 21d is fitted into the guide portion 22. Further, the width of the opening behind the fitting groove 22a is narrowed near the upper end of the guide portion 22 so that the inserted fitting protrusion 21d cannot be pulled out from above. Therefore, the fitting protrusion 21d fits inside the guide portion 22, and the guide portion 22 is attached to the bracket 21.

Further, the rear end surface of the guide portion 22 is formed to be substantially flat, and the rear end surface of the guide portion 22 is formed along the front surface 21f of the bracket 21 in a state of being attached to the bracket 21. Further, the front end surface 22c of the guide portion 22 has a predetermined angle α (for example, 20 degrees ≦ α ≦ 80 degrees) with respect to the rear end face. That is, with the bracket 21 mounted on the casing 11, the front end surface 22c forms a predetermined angle α with respect to the tip end side portion 11a of the casing 11. As described above, the front end surface 22c of the guide portion 22 is formed so as to be tilted with respect to the front surface 21f of the bracket 21. Further, on the front end surface 22c, a guide hole forming portion 22d is formed at the center portion in the left-right direction thereof.

The guide hole forming portion 22d protrudes from the front end surface 22c in a direction orthogonal to the front end surface 22c and extends diagonally upward and forward along the front end surface 22c, and is orthogonal to the cross section of the guide hole forming portion 22d (that is, orthogonal to the front end surface 22c). The cross section) is formed in a substantially semicircular shape. Further, in the guide hole forming portion 22d, a guide hole 22e is formed along the axis thereof. That is, the guide portion 22 is formed with a guide hole 22e extending diagonally upward in the front direction. The guide hole 22e penetrates the guide portion 22 diagonally upward and forward so that the needle 31a of the needle assembly 31 can be inserted from above the guide hole 22e and the needle tip 31b can be ejected from below. It has become. The hole diameter of the guide hole 22e is designed according to the outer diameter of the needle 31a to be used, and the inserted needle 31a is stably held so as not to wobble back and forth and left and right.

Further, the angle β of the guide hole 22e (in the present embodiment, the guide hole 22e is formed along the front end surface 22c, β = α) is a needle 31a inserted therein, as shown in FIG. If the needle tip 31b is advanced downward as it is, the needle tip 31b is set to pass a predetermined distance (about 1 cm in the present embodiment) downward from the probe 12. Further, the guide hole 22e extends straight in the vertical direction in the front view, and as shown in FIG. 6, when the needle 31a is inserted into the guide hole 22e, the grip portion 31c of the needle assembly 31 (practitioner). The portion to be gripped at the time of puncturing) overlaps with the monitor 13. Further, in the image of the monitor 13, a depth gauge 13a is shown on the left side thereof, and the depth gauge 13a allows the depth of each portion displayed in the image to be known. Further, in the central portion of the image of the monitor 13, a plurality of depth markers (seven depth markers in the present embodiment) 13b to 13h associated with each predetermined depth are displayed. The depth markers 13b to 13h are located vertically above the guide hole 22e in the front view, and are arranged at intervals in the vertical direction.

Further, when the probe 12 is pressed against the body surface, the monitor 13 displays a cross section when the pressed portion is cut by a virtual plane extending vertically downward from the probe 12. Further, the line connecting the seven depth markers 13b to 13h in the cross section projected on the monitor 13 corresponds to the projected line when the central axis L1 of the guide hole 22e is projected onto the cross section from the front. Therefore, as the needle 31a of the needle assembly 31 is pushed forward, the needle tip 31b of the needle 31a guided by the guide hole 22e appears on the line connecting the depth markers 13b to 13h. Therefore, by referring to these seven depth markers 13b to 13h, it is possible to predict the position where the needle tip 31b of the needle assembly 31 guided to the guide hole 22e appears on the monitor 13. The guide hole forming portion 22d having such a guide hole 22e is further formed with an outlet 22f on the peripheral surface.

As shown in FIG. 4, the take-out port 22f opens forward (that is, the side opposite to the ultrasonic diagnostic apparatus 3 side) and is the peripheral surface of the guide hole forming portion 22d, and is the left and right central portion (that is, the most) in the front view. It is formed in the part that protrudes forward). Further, the take-out port 22f extends along the central axis L1 of the guide hole 22e, and extends straight from the upper end to the lower end in the guide hole forming portion 22d. Further, the guide portion 22 is made of a flexible material such as polyethylene, polypropylene, polyethylene terephthalate, elastomer, polyvinyl chloride, etc., and the guide hole forming portion 22d can be bent. .. As a result, when the needle 31a inserted into the guide hole 22e is pulled toward the take-out port 22f (or the puncture guide 1 is moved in the direction away from the needle 31a (that is, on the rear side)), the take-out port 22f is widened and from there. The needle 31a can be pulled out. On the other hand, when the needle is inserted into the guide hole 22e, the width of the take-out port 22f is smaller than the outer diameter of the needle 31a, and the guide portion 22 stably holds the needle 31a. There is.

[About puncture work]
Hereinafter, the puncture operation using the puncture guide 1 and the ultrasonic diagnostic apparatus 3 will be described. First, the puncture guide 1 is attached to the tip end side portion 11a of the casing 11 of the ultrasonic diagnostic apparatus 3. That is, the puncture guide 1 is attached, that is, attached to the tip end side portion 11a so that the guide portion 22 of the puncture guide 1 is arranged on the same side as the front surface 11d of the casing 11, that is, on the front side. Then, a liquid gel such as an echo gel is applied to the body surface in order to improve the acoustic bond between the probe 12 and the body surface. After the application, the ultrasonic diagnostic apparatus 3 displays the state of the subcutaneous tissue 40 of the pressed portion on the monitor 13 by pressing the probe 12 against the body surface as shown in FIG. .. The subject searches for the position of the blood vessel 41 while observing the state of the subcutaneous tissue 40 displayed on the monitor 13, and when the position of the blood vessel 41 is confirmed, the needle assembly 31 refers to the depth gauge 13a and the depth markers 13b to 13h. Determine the puncture position. For example, if a position where the blood vessel 41 is arranged at a position of about 1 cm on the line connecting the depth markers 13b to 13h can be confirmed, that position is set as the puncture position.

When the puncture position is determined in this way, the needle 31a of the needle assembly 31 is inserted into the guide hole 22e. When inserted, the grip portion 31c of the needle assembly 31 is arranged so as to overlap the monitor 13 in front view, and the practitioner is simultaneously looking at the hand holding the grip portion 31c of the needle assembly 31 and the monitor 13. The needle tip 31b can be punctured into the subcutaneous tissue 40. After that, the practitioner punctures the needle tip 31b through the grip portion 31c into the puncture site and pushes it into the subcutaneous tissue. Then, the cross section of the needle tip 31b is projected on the monitor 13, and it is confirmed that the needle tip 31b has reached the blood vessel.

As described above, in the ultrasonic diagnostic apparatus 2 with a puncture guide, the guide portion 22 of the puncture guide 1 is arranged below the monitor 13. Therefore, the correspondence between the image displayed on the monitor 13 and the position of the needle tip 31b of the needle assembly 31 is easy to understand, and the puncture work can be easily performed. Therefore, the puncture guide 1 can be effectively used for the ultrasonic diagnostic apparatus 3.

Further, in the ultrasonic diagnostic apparatus 2 with a puncture guide, the line connecting the depth markers 13b to 13h on the monitor 13 corresponds to the projected line obtained by projecting the central axis L1 of the guide hole 22e from the front to the cross section, and also in front view. The depth markers 13b to 13h are located vertically above the guide hole 22e. By arranging the guide portion 22 of the puncture guide 1 below the monitor 13, the depth markers 13b to 13h and the guide hole 22e can be arranged in association with each other as described above. Thereby, the puncture direction of the needle 31a inserted into the guide hole 22e at the time of puncture can be easily grasped. Further, the depth through which the needle tip 31b passes directly under the probe 12 is also determined by the angle β of the guide hole 22e. Therefore, when the needle assembly 31 is pushed forward, it is possible to grasp in advance the position where the cross section of the needle tip 31b is projected.

It is preferable that the depth markers 13b to 13h are displayed on the monitor 13, but the depth markers 13b to 13h do not necessarily have to be displayed. This is because the grip portion 31c of the needle assembly 31 overlaps the monitor 13. Thereby, the direction of the needle 31a to be punctured can be grasped from the relationship between the direction in which the needle assembly 31 extends from the grip portion 31c to the needle tip 31b and the image of the monitor 13. Therefore, it is possible to understand in what direction the needle 31a is punctured at the puncture site. Further, as described above, the depth through which the needle tip 31b passes is also determined by the angle β of the guide hole 22e, and the position where the cross section of the needle tip 31b is projected can be predicted. Therefore, even without the depth markers 13b to 13h, it is possible to predict in advance the position where the cross section of the needle tip 31b is projected, and the depth markers 13b to 13h are not always necessary.

After the cross section of the needle tip 31b is projected on the monitor 13, the grip portion 31c of the needle assembly 31 is pushed forward by a predetermined distance. When the needle assembly 31 is an indwelling needle, the needle assembly 31 is indwelled at the pushed forward position, and then the needle 31a of the needle assembly 31 is pulled out from the puncture guide 1. That is, the needle 31a expands the take-out port 22f by tilting the ultrasonic diagnostic apparatus 3 away from the needle 31a while holding the needle assembly 31, and by further tilting the needle 31a guides the needle 31a through the take-out port 22f. It comes out from the hole 22e. In this way, the needle 31a can be easily pulled out from the guide hole 22e by the take-out port 22f. Further, even after the needle 31a is pulled out from the guide hole 22e, the needle assembly 31 is left in place at that position, and subsequent treatments (for example, treatments such as dialysis, liquid injection, and blood collection) are performed.

Since the puncture guide 1 configured in this way has the bracket 21 and can be attached to and detached from the casing 11 by the bracket 21, the puncture guide 1 can be used as a disposable product. Therefore, the puncture guide 1 does not need to be sterilized every time it is used, and the puncture work is easy.

[Second Embodiment]
The ultrasonic diagnostic apparatus 2 with a puncture guide of the second embodiment includes the puncture guide 1A as described later, and the puncture guide 1A has a configuration similar to that of the puncture guide 1 of the first embodiment. Hereinafter, the configuration of the puncture guide 1A of the second embodiment will be mainly described as being different from the puncture guide 1 of the first embodiment, and the same configuration will be designated by the same reference numerals and the description thereof will be omitted.

The ultrasonic diagnostic apparatus 2 with a puncture guide includes an ultrasonic diagnostic apparatus 3 and a puncture guide 1A as shown in FIG. 7. The puncture guide 1A has a fitting protrusion 21d and a guide portion 22A, and the fitting protrusion 21d is integrally provided with the casing 11 of the ultrasonic diagnostic apparatus 3. More specifically, the fitting projection portion 21d is the front surface 11d of the casing 11 and is arranged at the center portion in the left-right direction in the tip end side portion 11a. The fitting protrusion 21d is formed in the shape of a plate having a substantially right triangle in a side view, and is attached to the fitting protrusion portion 21d with its hypotenuse portion facing the front surface 11d of the casing 11. Further, the fitting protrusions 21d have protrusions 21e and 21e on the left and right side surfaces, and the protrusions 21e and 21e project outward from the side surfaces in the left-right direction and the front surface of the fitting protrusions 21d. It extends diagonally forward and upward along. A guide portion 22A is fitted to the fitting protrusion portion 21d formed in this way.

The guide portion 22A has the same shape as the guide portion 22 of the first embodiment. That is, the guide portion 22A has a fitting groove 22a into which the fitting protrusion portion 21d can be fitted. Further, the rear end surface of the guide portion 22A is formed flat, and the rear end surface of the guide portion 22 is formed along the front surface 21f of the bracket 21 in a state of being attached to the bracket 21. On the other hand, the front end surface 22c of the guide portion 22A has a predetermined angle α (for example, 20 degrees ≤ α ≤ 80 degrees) with respect to the rear end surface, and the front end surface 22c has a guide hole formed in the central portion in the left-right direction thereof. Part 22d is formed.

Further, the guide hole forming portion 22d is also formed in the same manner as the guide hole forming portion 22d of the first embodiment. That is, the guide hole 22e is formed in the guide hole forming portion 22d, and the guide hole 22e has an angle β (in the present embodiment) with respect to the portion of the front surface 11d of the casing 11 corresponding to the tip end side portion 11a. , Β = α). As a result, when the needle 31a of the needle assembly 31 is inserted into the guide hole 22e, the needle tip 31b eventually passes downward from the probe 12 at a predetermined distance (about 1 cm in this embodiment).

The puncture guide 1A configured in this way is used when performing a puncture operation using the ultrasonic diagnostic apparatus 3 as in the puncture guide 1 of the first embodiment. That is, the puncture guide 1A is used in the same manner as the puncture guide 1 of the first embodiment, and can guide the needle tip 31b of the needle assembly 31 downward from the probe 12 to a predetermined distance. Further, the guide portion 22A of the puncture guide 1A is made of a flexible material like the guide portion 22 of the first embodiment, and can be detachably attached to the guide hole forming portion 22d. As a result, the puncture guide 1A can also be used as a disposable product. Therefore, the puncture guide 1 does not need to be sterilized every time it is used, and the puncture work is easy.

The puncture guide 1A of the second embodiment has other effects similar to those of the puncture guide 1 of the first embodiment.

[About other embodiments]
The puncture guides 1 and 1A of the first and second embodiments are formed so that the guide portion 22 is located at the central portion in the left-right direction of the casing 11, but the puncture guides 1 and 1A do not necessarily have to be formed as such. That is, the guide portion 22 is located on the front surface 11d side of the casing 11 in which the monitor 13 is formed, and is arranged so that at least a part of the needle assembly 31 inserted into the guide hole 22e and the monitor 13 overlap in a front view. I just need to be there. Therefore, the guide holes 22e may be arranged closer to the left side or the right side within the range of the left-right width of the monitor 13 on the front surface 11d of the casing 11. By being formed in this way, the puncture operation can be performed while looking at both the monitor 13 and the grip portion 31c of the needle assembly 31 as in the first and second embodiments. When the guide portion 22 is located at the center of the left and right sides, a force biased toward either the left or right side acts on the ultrasonic diagnostic apparatus 3 in the insertion work and the puncture work of inserting the needle 31a into the guide hole 22e. It can be suppressed, and the insertion work and the puncture work can be performed stably.

Further, in the puncture guides 1 and 1A of the first and second embodiments, the guide holes 22e extend straight in the vertical direction in the front view, but the guide holes 22e do not necessarily extend in such a direction. That is, the guide hole 22e may be tilted to the left or right with respect to the vertical direction in the front view, and is formed so that the needle tip 31b of the needle 31a inserted into the guide hole 22e passes downward from the probe 12 by a predetermined distance. It suffices if it is done. Further, the area from the intermediate portion to the proximal end side portion of the casing 11 of the ultrasonic diagnostic apparatus 3 does not necessarily have to be tilted to the rear side, and may be straight.

1,1A Puncture guide 2,2A Ultrasonic diagnostic device with puncture guide 3 Ultrasonic diagnostic device 11 Casing 11d Front surface (main surface)
12 Probe 13 Monitor 21 Bracket 22, 22A Guide part 22e Guide hole 22f Extraction port 31 Needle assembly 31a Needle 31b Needle tip 31c Grip part (proximal side end)

Claims (6)

A probe for receiving ultrasonic waves and an image display unit for displaying an image created based on the received ultrasonic waves are provided in one casing, and the probe is arranged at one end in a predetermined direction of the casing and in a predetermined direction of the casing and the like. An ultrasonic diagnostic apparatus in which the image display unit is arranged on the front surface of the end side portion, and the front surface of the one end side portion in the predetermined direction and the front surface of the other end side portion in the predetermined direction of the casing intersect with each other. A piercing guide that can be attached
Needle for puncturing The needle of the assembly can be inserted, and the needle tip of the needle to be inserted has a guide hole for guiding the needle so as to pass a position separated from the probe in a predetermined direction by a predetermined distance. Equipped with a guide section
The guide portion is arranged on the main surface of the casing, one end side in a predetermined direction from the image display portion, and behind the virtual extension line extending from the front surface of the image display portion to one end side in a predetermined direction. The puncture guide. The guide hole is formed by penetrating the guide portion in a predetermined direction and tilting away from the main surface as it advances to the other in a predetermined direction.
In the state where the guide portion is attached to the ultrasonic diagnostic apparatus, the proximal end portion of the needle assembly through which the guide hole is inserted when the image display portion is viewed from its orthogonal direction is the image display. The puncture guide according to claim 1, which is arranged so as to overlap the portions. A detachable bracket is further provided on one end side portion of the casing in a predetermined direction.
Claim 1 or 2 in which the guide portion is the main surface of the casing and is arranged on one end side in a predetermined direction from the image display portion in a state of being attached to the ultrasonic diagnostic apparatus via the bracket. The puncture guide described in. The guide portion has an outlet that extends along the central axis of the guide hole and is open toward the side opposite to the ultrasonic diagnostic apparatus side, so that the outlet can be expanded. The puncture guide according to any one of claims 1 to 3, which is configured to have flexibility. The puncture guide according to any one of claims 1 to 4,
An ultrasonic diagnostic apparatus with a puncture guide, comprising the ultrasonic diagnostic apparatus. A probe for receiving ultrasonic waves and an image display unit for displaying an image created based on the received ultrasonic waves are provided in one casing, and the probe is arranged on one end surface in a predetermined direction of the casing and in a predetermined direction of the casing. An ultrasonic diagnostic apparatus in which the image display unit is arranged on the front surface of the other end side portion,
A guide hole provided in the casing and capable of inserting a needle for puncturing so that the needle tip of the needle to be inserted passes a position separated from the probe in a predetermined direction by a predetermined distance. With a puncture guide,
The casing has a configuration in which the front surface of the one end side portion in the predetermined direction and the front surface of the other end side portion in the predetermined direction intersect each other.
The biopsy guide is predetermined direction one end side of the image display unit at the front, and, on the casing so as to be positioned behind the imaginary extension line extending in a predetermined direction one end side through the front of the image display unit An ultrasonic diagnostic device with a puncture guide provided.

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