JP2022113741A - fixing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing system capable of easily and reliably attaching/detaching a medical device with a simple operation.

SOLUTION: A fixing system includes: an extension table 110 to place a medical device 5; a main body 20 to be attached to the extension table 110; and a fixing device 10 attached to the main body 20 and having an arm 32 to fix the medical device 5 by energization force with the extension table 110.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2022,JPO&INPIT

Description

Application for application of Article 30, Paragraph 2 of the Patent Act (1) Published at the following website address 1) November 10, 2017, https://confit. atlas. jp/guide/event/jsnet2017/subject/2-P35-6/advanced 2) November 13, 2017, https://www. j stage. jst. go. jp/article/nkc/2/Supplement/2_S254/_pdf/-char/ja 3) November 17, 2017, http://www. congre. co. jp/jsnet2017/pdf/abstract-download/poster. pdf (2) Released on November 24, 2017 at the 33rd Annual Meeting of the NPO Japan Neuroendovascular Society Published in the 27th Neurosurgery and Instrumentation Society Program/Abstract Book published by Nara Medical University Neurosurgery (4) Published at the 27th Neurosurgery and Instrumentation Society (CNTT2018) on April 13, 2018

The present invention relates to fastening systems for fastening medical devices.

As an example of treatment using a catheter, coil embolization treatment is known in which a coil is placed in a cerebral aneurysm to occlude the aneurysm.

Coil embolization treatment is a treatment method in which a coil connected to the tip of a delivery wire is pushed out from a catheter and stuffed into a cerebral aneurysm. Treatment is advanced by forward/backward operation.

In general, the operation of advancing and retracting the delivery wire is often performed near the patient, and there is no fixed place to fix the Y connector. There are problems such as poor workability. Therefore, it is convenient to have a workbench on which the Y connector is placed and a fixing device for fixing the Y connector to the workbench.

Also, conventionally, there is known a table used for preventing exposure to X-rays, and this table is provided on a bed so as to cover the upper part of the lower body of a patient (Patent Document 1).

JP 2017-006358 A

When the Y connector is placed on such a table for treatment, the doctor does not have to hold the Y connector, which improves workability. There is a possibility that troubles such as the tape being peeled off may occur.

In addition, the optimum fixing position of the Y connector differs depending on each doctor. Fixing the Y connector with tape cannot adjust the fixing position of the Y connector. Problems such as poor workability occur along with loss.

Moreover, when this type of table is used, the Y connector is installed at a position far from the patient, and the fixed position of the Y connector is too high, which deteriorates the workability required for treatment.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixing device or the like that allows a medical device to be attached and detached easily and reliably with a simple operation.

A fixing device (10) according to the present invention comprises a main body (20) attached to a base (110) on which a medical device (5) can be placed or mounted, and and an arm (32) fixed by a biasing force between the

In addition, the fixing device according to claim 2 is the fixing device according to claim 1, wherein the main body is provided with attaching/detaching means (45) for attaching/detaching the main body to/from the base depending on whether or not the magnetic material is magnetized. The attachment/detachment means is characterized in that the main body is provided with an operation body (75) for controlling magnetization or non-magnetization of the magnetic material by a rotating operation.

Further, the fixing device according to claim 3 is the fixing device according to claim 1 or 2, wherein the arm is rotatably supported, and the distal end of the arm removes the medical device. It is characterized in that it is movable between a possible release position (H) and a locking position (L) in which said medical device is fixed to a base.

Further, the fixing device according to claim 4 is the fixing device according to any one of claims 1 to 3, further comprising adjusting means (60) for adjusting the biasing force generated in the arm. and

Further, the fixing device according to claim 5 is the fixing device according to any one of claims 1 to 4, further comprising positioning means (120) for positioning the main body on the base. and

The fixing device according to claim 6 is the fixing device according to claim 5, wherein the positioning means includes a fitting body (122) that can be fitted to the concave and convex portions formed on the base. It is characterized by having

Further, the fixing system according to claim 7 comprises an extension table (110) on which a medical device can be placed, a body attached to the extension table, and a body attached to the body so that the medical device is attached to the extension table. and an arm that is fixed between them by a biasing force.

Further, the fixing system according to claim 8 is the fixing system according to claim 7, wherein the extension table is bent at the end of the table placed above the patient on the patient's head side. It is characterized by being detachably connected to the table via a connecting member provided with means.

ADVANTAGE OF THE INVENTION According to this invention, a medical device can be fixed and hold|maintained at the position which a doctor can operate easily. In addition, when detachment is necessary, the fixing device can be detached from the base with one action. In addition, since the medical device or fixing device can be attached and detached by a simple operation, the time required for attachment and detachment can be easily shortened, and work efficiency can be improved.

It is a schematic diagram which shows the mounting example of a fixing device. It is a schematic diagram which shows the example of external appearance of a fixing device. It is a transparent view of an arm part. Fig. 4 shows a longitudinal sectional view showing a configuration example when the adsorption force is on/off controlled, Fig. 4 is a configuration diagram when the adsorption force is controlled to be off, and Fig. 4(b) is a configuration diagram when the adsorption force is on-controlled. is. Fig. 5 shows a cross-sectional view showing a configuration example when the adsorption force is on/off controlled, Fig. 5 is a configuration diagram when the adsorption force is controlled to be off, and Fig. 4(b) is a configuration diagram when the adsorption force is on-controlled. is. FIG. 4 is an external view showing an example of a table provided with an extension table; FIG. 4 is an external view for explaining a positioning mechanism of the fixing device; FIG. 11 is an external view for explaining another positioning mechanism part of the fixing device;

Hereinafter, embodiments of a fixing device according to the present invention will be described with reference to the drawings. In addition, the following examples do not limit the invention according to each claim, and not all combinations of features described in the examples are essential to the solution of the invention. .

(Overview of fixing device)
This embodiment is an example of a fixing device 10 for fixing the connector 5, as shown in FIG. It is freely positioned and fixed on an extension table 110 (base of the present application) which is provided by extending to.

In the fixing device 10, for example, in coil embolization treatment, a delivery wire 3 connected to a coil (not shown) for embolizing a cerebral aneurysm is inserted, or the delivery wire 3 is inserted inside. A cylindrical connector 5 (medical device of the present application) to which a catheter 4 is connected is fixed.

As shown in FIGS. 1 to 4, the fixation device 10 comprises a main body 20 mounted on an extension table 110 and an arm 32 projecting outward from the side of the main body 20. The arm 32 is elastic. While the member 40 exerts an urging force against the upward movement of the distal end portion, it is supported by the pivot 31 so as to be rotatable upward as indicated by the arrow in FIG.

As shown in FIG. 1, the fixing device 10 clamps and fixes the connector 5 placed on the extension table 110 between the arm 32 and the extension table 110 by the biasing force generated in the arm 32, The body 20 is freely positioned and fixed on the extension table 110.例文帳に追加Further, the distal end portion of the arm 32 is bent downward so as to be easily engaged with the periphery of the connector 5, so that the connector 5 is securely held.

The connector 5 can be easily removed by removing the main body 20 from the extension table 110, but the arm 32 presses the connector 5 against the extension table 110 as shown in FIG. It can be moved by an external force between a fixed position L where the connector 5 can be clamped and a released position H where the connector 5 can be removed.

Therefore, since the connector 5 can be inserted between the arm 32 and the extension table 110 by applying an external force to lift the arm 32 to the release position H, the connector 5 can be easily removed while the main body 20 is fixed to the extension table 110. can be fixed to

Further, when the connector 5 is moved away from the main body 20, the arm 32 is raised against the urging force, and the connector 5 can be pulled out from the arm 32, so that the main body 20 is fixed to the extension table 110. , the connector 5 can be easily removed.

As described above, the fixing device 10 of this embodiment can easily and reliably fix and hold the connector 5 at a position where the doctor can easily work, and the connector 5 can be attached and detached with a simple operation. The time required for attachment and detachment can be easily shortened, and work efficiency can be improved.

(Configuration of fixing device)
As shown in FIGS. 2 to 4, the fixing device 10 includes an arm portion 30 having an arm 32 whose tip portion can be rotated vertically via a pivot 11, and a rectangular parallelepiped shape to which the arm portion 30 is attached. a main body 20, an attachment/detachment mechanism 45 (attachment/detachment means) for attaching/detaching the main body 20 to/from the extension table 110, and a positioning mechanism 120 (positioning means) for positioning the main body 20 with respect to the extension table 110. , provided.

The arm section 30 includes an arm 32 and a support 35 that rotatably supports the arm 32 . The arm 32 has a band-shaped base with a downwardly bent tip end, and an annular mounting portion 34 attached to the pivot 11 for pivotally supporting the arm 32 at the rear portion of the base. there is

The support body 35 has a housing 36 having a space capable of accommodating the rear portion including the mounting portion 34 of the arm 32, and flange portions 36a projecting outward are provided on both sides of the housing 36. As shown in FIG. The flange portion 36a is formed with a plurality of through holes (not shown) arranged coaxially with holes formed in the front end face of the main body 20 (not shown). Thus, the main body 20 and the arm portion 30 are fixed.

As shown in FIGS. 3 and 4, the space of the housing 36 communicates with a first space 38 extending rearwardly from an opening 36b formed at the front end of the housing 36, and the rear of the first space 38. and a second space 39 extending vertically.

A pivot 11 extending horizontally in the left-right direction is provided in the first space 38 , and the mounting portion 34 is rotatably attached to the pivot 11 to rotatably support the arm 32 .

In the second space 39 and below the rear portion of the arm 32, an extendable annular spring member 41 having a through-hole portion 41a is arranged so that a spring member 41 is provided against upward movement of the front portion of the arm 32. An urging force is generated by the elastic force of the member 41 .

Therefore, the connector 5 placed on the extension table 110 is fixed by the biasing force generated in the arm 32 between the extension table 110 and the arm 32 . Further, the distal end of the arm is bent downward, and this bent portion holds the outside of the connector 5 and prevents the connector 5 from slipping out.

Further, in the second space 39, an adjusting mechanism 60 (adjusting means of the present application) that adjusts the biasing force generated in the arm 32 is provided. The adjustment mechanism part 60 is arranged in contact with the lower end of the spring member 41 , and includes a plate-like support member 62 that supports the spring member 41 between itself and the rear part of the arm 32 , and a through hole provided in the center of the spring member 41 . A rotating body 65 having a shaft 65a that is inserted into a portion 41a and a through hole 32a formed in the rear portion of the arm 32 coaxially with the through hole portion 41a and attached to the support member 62.

The rotating body 65 includes a manual operation head 65b arranged outside the upper portion of the housing 36, and a shaft 65a extending vertically downward from the head 65b through the upper surface of the housing 36. , the shaft 65a is rotated by rotating the head 65b.

A male screw (not shown) is formed on the outer peripheral edge of the lower end of the shaft 65a, and the support member 62 is formed with a through hole 62a having a female screw (not shown) that is screwed with the male screw of the shaft 65a. , the lower end of the shaft 65a is attached to the support member 62 by screwing.

As shown in FIGS. 3 and 4, a recess 65c is formed radially around the upper portion of the shaft 65a, and a pair of pins 66, 66 extending horizontally in the front-rear direction are arranged in the recess 65c. A shaft 65a is rotatably held by pins 66,66.

By manually rotating the head 65b of the rotating body 65, the head 65b rotates at that position without moving up and down, and only the support member 62 screwed with the shaft 65a is indicated by the arrow in FIG. to move up and down. The biasing force of the arm 32 is adjusted by expanding and contracting the spring member 41 by vertically moving the support member 62 .

Although the biasing force of the arm 32 is increased by compressing the spring member 41, the movable range of the arm 32 is narrowed. On the other hand, releasing (extending) the spring member 41 reduces the biasing force of the arm 32 but widens the range of motion of the arm 32 .

Next, the attaching/detaching mechanism 45 for attaching/detaching the main body 20 to/from the extension table 110 will be described with reference to FIGS. 4 and 5. FIG. It should be noted that the extension table 110 of this embodiment is made of a ferromagnetic (magnet-attractable) material.

The attachment/detachment mechanism 45 controls the attraction force of the magnetic member 71 (the magnetic body of the present application) provided on the main body 20 on and off (the presence or absence of magnetization between the magnetic members 71 , 71 ) to attach the main body 20 to the extension table 110 . is attached and detached.

The attachment/detachment mechanism 45 is provided in the main body 20, and the main body 20 includes, as shown in FIG. ), non-magnetic members 72a and 72b made of synthetic resin or the like are arranged between the magnetic members 71 and 71 having different magnetic poles, and the magnetic poles are divided into front and rear sides so that the magnetic poles are different. Magnetic members 71, 71 are arranged. The outer shape of the main body 20 is formed by the shapes of the magnetic member 71 and the non-magnetic members 72a and 72b, and is formed in a substantially rectangular parallelepiped shape.

As shown in FIGS. 4 and 5, the non-magnetic members 72a and 72b are arranged so as to sandwich a permanent magnet 73 arranged in the center with the north and south poles facing each other. A yoke 74 (yoke) of the same polarity is attached adjacent to the permanent magnet 73 to increase the magnetic force.

The non-magnetic member 72a provided on the top is an operation body 75 provided exposed to the outside of the upper end portion of the main body 20 through a connecting member 76 made of a non-magnetic material that is rotatably connected to the magnetic members 71, 71. , and is rotated together with the permanent magnet 73 including the yoke 74 as shown in FIG.

As shown in FIG. 5, the rotating operation of the operating body 75 causes the permanent magnet 73 to rotate, and the magnetic pole direction of the permanent magnet 73 with respect to the magnetic member 71 is switched. By switching the acting direction of the magnetic lines of force G between the magnetic members 71 , it is possible to switch between the magnetic members 71 and 71 so as to be magnetized or non-magnetized.

As shown in FIGS. 4(b) and 5(b), when the magnetic members 71, 71 are magnetized, the lines of magnetic force G are formed outside the main body 20, so that the main body 20 is positioned on the extension table. While being attracted to and fixed to 110, as shown in FIGS. 4A and 5A, when the magnetic members 71, 71 are not magnetized, magnetic lines of force G are formed inside the main body 20. Therefore, the main body 20 is not attracted to the extension table 110 and can be freely moved with respect to the extension table 110 .

Note that the number of the magnetic members 71, 71 is appropriately set according to the aspect of the adsorption capacity.

A non-magnetic cover member 78 is attached to the lower end of the main body 20 to seal the interior with the connecting member 76, and a permanent magnet 73 is arranged between the magnetic members 71, 71 on both sides. and the non-magnetic member 72 are held.

When the user rotates the operation body 75 exposed at the top of the main body 20 , the permanent magnet 73 is rotated to switch the magnetic pole direction with respect to the magnetic members 71 , 71 . As a result, the attracting force of the magnetic members 71, 71 with different magnetic poles divided on both sides of the main body 20 is controlled to turn on and off. Then, the adsorption to the extension table 110 is lost due to the OFF control of the adsorption force, and the fixing device 10 can be freely moved on the extension table 110 .

As described above, in the fixing device 10 of the present embodiment, the attracting force between the magnetic members 71, 71 can be ON/OFF controlled only by rotating the operation body 75, so that the main body 20 can be easily positioned and fixed to the extension table 110. can be moved or moved.

Further, the fixing device 10 is convenient because it can be attached and detached with one action (only a rotating operation) when it is necessary to attach and detach the fixing device 10 from the extension table 110 . In addition, since the medical device 5 and the fixing device 10 can be attached and detached with a simple operation, the time required for attachment and detachment can be easily shortened, and work efficiency can be improved.

(Configuration of table and extension table)
Next, the configurations of the table and the extension table will be described with reference to FIG.
The table 100 is placed on the bed 1 and is large enough to cover at least the lower half of the body including the abdomen of the patient lying on the bed 1 .

A plurality of legs 102, 102 are attached to the table 100 including the four corners. The leg 102 has a shaft that can be raised and lowered, and its length can be freely adjusted according to the body shape of the patient.

The table 100 is configured by connecting a pair of front and rear table portions 101, 101 via a hinge (not shown), is foldable, and can be accommodated in a small size.

Further, on both sides of the front end of the table 100, an extension table 110 capable of extending the length (longitudinal) direction of the table 100 is detachably provided.

A partial area of the front portion of the table 100 and the extension table 110 are formed of a member formed of a material having ferromagnetism (a magnet attracts). Note that only the area or surface where the fixing device 10 is attached may be made of a material having ferromagnetism.

The extension table has a flat plate-like base having an area on which medical instruments can be placed. Although not shown, the extension table 110 is connected via a connecting member to a guide rail provided on the lower end surface of the table 100 and extending in the width (left and right) direction. Therefore, the extension table 110 can be freely moved manually in the width direction of the table 100 as indicated by the arrow in FIG.

The extension table 110 is attached to the patient's head side end of the table 100 via a connecting member having a ball joint (bending means of the present application), and is horizontally or vertically movable as indicated by the arrow in FIG. It is rotatable in the vertical direction, and by rotating in the horizontal direction, it is possible to store it under the table 100 (not shown) or to protrude in front of the table 100 as shown in FIG.

Further, the extension table 110 can be tilted (bent) as shown in FIG. 1 by rotating in the vertical direction, and the fixed position of the connector 5 can be appropriately adjusted between the table 100 and the patient.

Further, the extension table 110 is composed of two vertically arranged plate-like members, and by moving the two members relative to each other, the length of the extension table can be expanded and contracted.

In this manner, the extension table 110 can be positioned in the left-right direction and tilted in front of the table 100, so that the extension table 110 can be appropriately positioned at an optimum position. Moreover, when the extension table 110 is not required, it can be stored under the table 100. - 特許庁Furthermore, by extending or contracting the length of the extension table 110, the extension table 110 can be brought closer to the patient or moved away from the patient.

Next, the positioning mechanism 120 (positioning means of the present application) of the fixing device 10 with respect to the extension table 110 will be described with reference to FIG.

The positioning mechanism part 120 of the present embodiment includes a plurality of holes 121 (concavo-convex parts in the present application) evenly aligned in the front, rear, left, and right directions of the extension table 110, and the extension table 110 provided in the main body 20 of the fixing device 10. and a pin-shaped protrusion 122 (fitting body of the present application) (see FIG. 4) extending in the downward and vertical direction that can be fitted into the hole 121. The fixing device 10 is positioned by fitting it into a predetermined hole 121 selected from among a plurality of holes 121 formed in 110 .

One projection 122 may be provided in the central portion, but a plurality of projections 122 may be provided on the left and right or front and rear. Further, by providing the hole portion 121 in the front portion of the table 100 as well, the fixing device 10 can be fixed to the table 100 as well. Alternatively, the hole 121 may be the projection and the projection 122 may be the hole.

Since the fixing device 10 fixed in this way is positioned by fitting the projections 122 into the holes 121, the fixed state can be maintained even if the adsorption force of the main body 20 is somewhat weak. Further, since the fixing device 10 does not slide, movement of the fixing device 10 can be easily prevented.

Next, another positioning mechanism of the fixing device 10 with respect to the extension table 110 will be explained using FIG.

The positioning mechanism 120 of the fixing device 10 of the present embodiment is related to projections 126 extending in a grid pattern in the front, rear, left, and right directions of the extension table 110 and the projections 126 of the extension table 110 provided on the main body 20 of the fixing device 10 . and a concave portion (not shown) that can be combined with the fixing device 10. The fixing device 10 is moved by sliding while the concave portion provided in the main body 20 of the fixing device 10 is engaged with the protrusion 126 formed on the extension table 110. position.

Since the fixing device 10 fixed in this way is positioned by engaging the protrusion 126 with the concave portion, the fixed state can be maintained even if the adsorption force of the main body 20 is somewhat weak. Further, since the fixing device 10 can be slid and positioned, the fixing device 10 can be finely adjusted and positioned.

In this embodiment, the protrusions 126 are arranged in a lattice pattern, but a plurality of protrusions 126 may be provided in parallel only in the length direction of the extension table 110, or a plurality of protrusions 126 may be provided only in the width direction of the extension table 110. may be provided in parallel.

In this embodiment, a part of the table 100 or the extension table 110 is provided with the hole 121 and the protrusion 126 for the positioning mechanism. (not shown) is prepared, a pedestal is mounted on the table 100 or the extension table 110 having a flat surface, and medical tools such as the fixing device 10 and the connector 5 are placed on this pedestal. I do not care.

By adopting a fixing system including the base and the fixing device 10 which are separate members from the table 100 and the extension table 110 in this way, the system can be applied to commonly used workbenches, and thus has versatility. Expensive and convenient.

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications are possible without departing from the gist of the present invention. For example, in the present embodiment, the attachment/detachment mechanism 45 is an example, and the arrangement of the magnetic members 71, 71, the non-magnetic member 72, etc. may be changed as appropriate.

Moreover, although the main body 20 and the arm portion 30 are detachably fixed using the screws 37, the main body 20 and the arm portion 30 may be detachably attached by other forms. As a result, when the arm portion 30 is damaged or the like, it is convenient that only the arm portion 30 needs to be replaced with a new one.
Further, in this embodiment, an example is shown in which the fixing device 10 is mounted on an extension table 110 provided by extending from the table 100 installed above the lower body of the patient 2 placed on the bed 1 toward the patient. A frame configured by a frame or a shelf on which tools can be attached may be prepared, and the fixing device 10 may be attached to the frame (the base of the present application).

5 connector 10 fixing device 20 main body 32 arm 45 attachment/detachment mechanism 60 adjustment mechanism 75 operating body 110 extension table 120 positioning mechanism 122 projection

Claims (8)

an extension table on which medical equipment can be placed;
a fixing device comprising: a main body attached to the extension table; and an arm attached to the main body for fixing the medical device to the extension table by a biasing force;
A fastening system comprising: The extension table is detachably connected to the table through a connecting member provided with bending means at the end of the table placed above the patient on the patient's head side. 2. The anchoring system of claim 1, comprising: 3. The fixing system according to claim 1, wherein the main body has attachment/detachment means for attaching/detaching the main body to/from the extension table. 4. The fastening system according to claim 3, wherein the attachment/detachment means includes an operation body for controlling magnetization of the magnetic material by a rotating operation. The arm is rotatably supported, and the distal end of the arm is movable between a release position in which the medical device can be removed and a fixed position in which the medical device is fixed to an extension table. The fastening system according to any one of claims 1 to 4, characterized in that: A fixation system according to any one of claims 1 to 5, characterized in that it comprises adjusting means for adjusting the biasing force exerted on said arm. A fixation system according to any one of the preceding claims, characterized in that it comprises positioning means for positioning the body on the extension table. 8. The fixing system according to claim 7, wherein said positioning means comprises a fitting body that can be fitted to the concave and convex portions formed on said extension table.

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