TWI772784B - Fixing mechanism - Google Patents

Abstract

A fixing mechanism includes at least one body portion, at least one insertion portion, at least one rod-shaped structure, at least one steel ball, and at least one handle. The insertion portion is connected to the body portion, wherein the insertion portion has at least one positioning hole. The rod-shaped structure has at least one groove, and the groove corresponds to the positioning hole. The steel ball is disposed between the insertion portion and the rod-shaped structure. The handle directly contacts the rod-shaped structure. When force is applied to the handle, the handle drives the rod-shaped structure to rotate to adjust the distance between the steel ball and the positioning hole through a top portion of the rod-shaped structure and the groove.

Description

fixed mechanism

The present invention relates to a mechanism, and in particular to a securing mechanism.

Generally speaking, an operating table and operating table accessories are required during the operation. Operating table accessories can be equipment in the operating room to assist the operating table in performing various surgical operations. In the prior art, a screw locking method is usually used to fix the operating table accessories and the operating table. However, the screw locking operation method is too time-consuming and inconvenient to withdraw, which may increase the operation time of medical staff and increase the cost of operation. burden.

Therefore, there is still an urgent need to research a fixing mechanism for operating table accessories that can improve the above problems.

The present invention relates to a fixing mechanism. Since the rod-shaped structure of the fixing mechanism in this case adjusts the distance between the steel ball and the positioning hole in a rotating manner to fix or separate it from a surgical device (such as the bed of an operating table), Compared with the comparative example in which the fixing mechanism is screw-locked, the fixing mechanism in this case can be disassembled and assembled to the surgical equipment more quickly and is less labor-saving; compared with the comparative example in which the rod-shaped structure is reciprocating along its length direction In terms of this The volume of the body portion and the rod-shaped structure of the fixing mechanism of the present invention can be reduced, and the number of required parts can be reduced, thereby reducing the cost.

According to an embodiment of the present invention, a fixing mechanism is provided. The fixing mechanism includes at least one body portion, at least one latch portion, at least one rod-shaped structure, at least one steel ball and at least one handle. The plug portion is connected to the body portion, wherein the plug portion has at least one positioning hole. The rod-shaped structure has at least one groove, and the groove corresponds to the positioning hole. The steel ball is arranged between the latch portion and the rod-shaped structure. The handle is in direct contact with the rod-like structure. When a force is applied to the handle, the handle drives the rod-shaped structure to rotate, so as to adjust the distance between the steel ball and the positioning hole through a top and a groove of the rod-shaped structure.

In order to have a better understanding of the above-mentioned and other aspects of the present invention, the following specific examples are given and described in detail in conjunction with the accompanying drawings as follows:

10,10': Fixing mechanism

20’: First surgical equipment

30': Second surgical equipment

101: The first fixing mechanism

102: Second fixing mechanism

110,210: Body part

110f, 2101f: Second surface

110h: Opening

110s, 2101s: first surface

110u: upper surface

112,212: Latch Department

112h: Positioning hole

114, 2142, Hd: handle

114a: head

114b: Connector

116,216: Rod-like structures

116p: Groove

118,218: Steel ball

120: Engagement elements

122h: limiter

124h: Positioning slot

126: Extensions

226: Extensions

2101: The first body part

2102: Second body part

2102f: Fourth Surface

2102s: Third Surface

2121: The first latch part

2121h: The first positioning hole

2122: Second latch part

2122h: Second positioning hole

2161: First rod-like structure

2161p: First groove

2162: Second rod structure

2162p: Second groove

2181: The first steel ball

2182: Second steel ball

2201: First engaging element

2202: Second engagement element

2301: Third engagement element

2302: Fourth engagement element

2221h: The first limit piece

2222h: The second limiter

2241h: The first positioning slot

2242h: Second positioning slot

2341h: The third positioning slot

2342h: Fourth positioning slot

2261: First extension

2262: Second Extension

C1, C2, C3, C4: axis

D1, D2, D3, D4: vertical distance

D5, D6: offset distance

D7: The first hole distance

D8: The second hole distance

R, HR: Arrow

T: Thickness

Fig. 1A is a perspective view of the fixing mechanism according to an embodiment of the present invention when the steel ball falls into the groove; Fig. 1B is a side view of the fixing mechanism viewed along the X-axis direction of Fig. 1A; Fig. 1C Fig. 1A shows an exploded view of the fixing mechanism; Fig. 2A shows a perspective view of the fixing mechanism according to an embodiment of the present invention when the steel ball does not fall into the groove; Fig. 2B shows the X-axis along the X-axis of Fig. 2A A side view of the fixation mechanism viewed from the direction; FIG. 3 shows a schematic diagram of the engagement element of the fixation mechanism according to an embodiment of the present invention that is not combined with the surgical equipment; Fig. 4 shows a schematic diagram of the fixing mechanism according to an embodiment of the present invention combined with the engaging element of the surgical equipment, but the steel ball does not protrude from the positioning hole; Fig. 5A shows the fixing mechanism according to an embodiment of the present invention combined with the surgery A schematic diagram of the joint element of the equipment and the steel ball protruding from the positioning hole; Figure 5B shows a side view of the fixing mechanism combined with the joint element viewed along the X-axis direction of Figure 5A; Figure 6A shows an implementation according to the present invention Fig. 6B shows the fixing mechanism combined with the first surgical device and the second surgical device according to an embodiment of the present invention. Lateral view.

FIG. 1A is a perspective view of the fixing mechanism 10 according to an embodiment of the present invention when the steel ball 118 falls into the groove 116p. FIG. 1B shows a side view of the fixing mechanism 10 viewed along the X-axis direction of FIG. 1A . FIG. 1C is an exploded view of the fixing mechanism 10 of FIG. 1A . FIG. 2A is a perspective view of the fixing mechanism 10 according to an embodiment of the present invention when the steel ball 118 does not fall into the groove 116p. Fig. 2B shows a side view of the fixing mechanism 10 viewed along the X-axis direction of Fig. 2A. In one embodiment, the X axis, the Y axis and the Z axis are perpendicular to each other, but the present invention is not limited thereto.

Please refer to FIGS. 1A to 1C at the same time, the fixing mechanism 10 includes a body portion 110 , a pin portion 112 , a rod-shaped structure 116 , a steel ball 118 and a handle 114 . The body portion 110 may have an opening 110h, and the opening 110h may provide a space for the handle 114 to move. The body portion 110 may have an upper surface 110u and first surfaces on both sides of the upper surface 110u 110s and the second surface 110f, the first surface 110s may be opposite to the second surface 110f. In this embodiment, the upper surface 110u may be parallel to a plane formed by the X axis and the Y axis; the first surface 110s and the second surface 110f may be parallel to a plane formed by the X axis and the Z axis, but the present invention does not Not limited to this. The plug portion 112 is connected to the first surface 110s of the body portion 110, wherein the plug portion 112 has a positioning hole 112h. In some embodiments, the latch portion 112 is, for example, a hollow rod body extending along the Y-axis direction, and the hollow portion of the latch portion 112 may communicate with the opening 110h of the body portion 110 and the positioning hole 112h. The rod-shaped structure 116 can be covered by the body portion 110 and the latch portion 112 . For example, the rod-shaped structure 116 extends along the Y-axis direction and is disposed inside the latch portion 112 . That is, the rod-shaped structure 116 can extend from the opening 110 h of the body portion 110 into the hollow portion of the latch portion 112 , and the extension length of the rod-shaped structure 116 does not exceed the latch portion 112 . Moreover, the rod-shaped structure 116 has a groove 116p, and the groove 116p corresponds to the positioning hole 112h. The steel ball 118 is provided in the hollow portion of the latch portion 112 . More specifically, the steel ball 118 is disposed between the latch portion 112 and the rod-shaped structure 116 , and the steel ball 118 may correspond to the groove 116p and the positioning hole 112h. In some embodiments, the number of the positioning holes 112h may be one or more. In one embodiment, the extension portion 126 is connected to the second surface 110f of the body portion 110 . The body portion 110 has a thickness T along the Y-axis direction.

The handle 114 can directly contact the rod-shaped structure 116 , and the rotation of the rod-shaped structure 116 can be driven by the handle 114 . When force is applied to the handle 114 , the handle 114 drives the rod-shaped structure 116 to rotate, so as to adjust the distance between the steel ball 118 and the positioning hole 112h through a top and a groove of the rod-shaped structure 116 . For example, it drives the steel ball 118 to move up and down. The "top" of the rod-shaped structure 116 in this case refers to the top portion of the rod-shaped structure 116 that is closest to the positioning hole 112h. That is, compared to other parts of the rod-shaped structure 116, the rod-shaped structure 116 There is a minimum distance between the "top" of 112h and the positioning hole 112h (eg, on the Z axis). In this embodiment, the handle 114 can drive the rod-shaped structure 116 to rotate downward by about 90 degrees in the direction of the arrow R shown in FIG. 1A . , to reach the position as shown in Figures 2A and 2B, but the present invention is not limited to this. The required rotation angle of the handle 114 is adjusted according to the design. Correspondingly, the handle 114 can also drive the rod-like structure 116 to return to the position shown in FIGS. 1A and 1B from the position shown in FIGS. 2A and 2B opposite to the direction of the arrow R. FIG.

In this embodiment, the handle 114 includes a head portion 114a and a connecting portion 114b. The connecting portion 114b is disposed between the head portion 114a and the rod-shaped structure 116, wherein the head portion 114a includes a safety lock mechanism. The safety lock mechanism can prevent the handle 114 from being rotated inadvertently (ie, accidentally touched). For example, the handle 114 can be pulled out by pulling the head 114a along the extension direction of the connecting portion 114b (eg, the X-axis direction). Move to a desired position, otherwise the handle 114 cannot drive the rod-shaped structure 116 to rotate, but the present invention is not limited to this.

In FIGS. 1A and 1B, the steel ball 118 falls into the groove 116p of the rod-shaped structure 116, and the steel ball 118 does not protrude from the positioning hole 112h of the latch portion 112, even though the steel ball 118 slightly protrudes from the positioning hole 112h, the apex of the steel ball 118 Nor is it higher than the apex of the positioning hole 112h (equivalent to the height of the top of the latch portion 112). For example, on the Z axis, the vertical distance D1 between the vertex of the steel ball 118 and the top of the rod-shaped structure 116 is smaller than the vertical distance D2 between the vertex of the positioning hole 112h and the top of the rod-shaped structure 116 . At this time, the extending direction of the connecting portion 114b of the handle 114 is, for example, parallel to the X-axis, but the present invention is not limited to this.

When force is applied to the handle 114, the handle 114 is rotated from the position shown in FIGS. 1A and 1B along the arrow R to rotate the rod-like structure 116 downward to the position shown in FIGS. 2A and 2B, the groove 116p will move away from the position of the steel ball 118. The direction is rotated so that the steel ball 118 leaves the groove 116p and abuts At the top of the rod-shaped structure 116 , that is, the steel ball 118 moves toward the direction close to the positioning hole 112h, and the steel ball 118 protrudes from the positioning hole 112h, as shown in FIGS. 2A and 2B . For example, on the Z axis, the vertical distance D3 between the vertex of the steel ball 118 and the top of the rod structure 116 is greater than the vertical distance D4 between the vertex of the positioning hole 112h and the top of the rod structure 116 . At this time, the extending direction of the connecting portion 114b of the handle 114 is, for example, parallel to the Z axis, but the present invention is not limited to this.

In this embodiment, the user can apply force to the handle 114 by hand to drive the rotation of the rod-shaped structure 116 , however, the present invention is not limited to this, and any method of rotating the rod-shaped structure 116 is described in this application. scope to be protected.

According to an embodiment of the present invention, the fixing mechanism 10 may be a fixing mechanism between the operating table and the operating table accessories. For example, the plug portion 112 is inserted into the operating table (not shown), and the extension portion 126 is inserted into the operating table accessories. (not shown), in order to fix the operating table and the operating table accessories to each other, but the present invention is not limited to this. Compared with the comparative example in which the fixing mechanism is screwed, the fixing mechanism 10 of the present invention only needs to slightly rotate the rod-shaped structure 116 (eg, 90°), so it can be quickly disassembled and assembled and fixed, and it is relatively labor-saving. Provide medical staff with more convenient operation methods.

Compared with the comparative example in which the rod-shaped structure reciprocates along its length direction, the rod-shaped structure 116 according to an embodiment of the present application can adjust the distance between the steel ball 118 and the positioning hole 112h by rotating, so as to The operating table accessories are fixed or separated from the operating table, the length of the latch portion 112 can be reduced, and the rod-shaped structure 116 does not need to be driven by the spring structure, so the body portion 110 does not need a accommodating space for the spring structure. For example, the thickness of the body portion 110 of the present case can be reduced compared to the body portion of the comparative example with the spring structure 1/2~2/3 (for example, the thickness T, shown in Figures 1B and 2B). In this way, the volume of the body portion 110 and the rod-shaped structure 116 can be reduced, and the number of required parts can be reduced, thereby reducing the cost.

FIG. 3 is a schematic diagram of the engaging element 120 of the fixing mechanism 10 not coupled to the surgical device according to an embodiment of the present invention. FIG. 4 is a schematic diagram of the fixing mechanism 10 combined with the engaging element 120 of the surgical equipment but the steel ball 118 does not protrude from the positioning hole 112h according to an embodiment of the present invention. FIG. 5A is a schematic diagram of the fixing mechanism 10 combined with the engaging element 120 of the surgical equipment and the steel ball 118 protruding from the positioning hole 112h according to an embodiment of the present invention. FIG. 5B shows a side view of the fixing mechanism 10 combined with the engaging element 120 viewed along the X-axis direction of FIG. 5A .

Referring to FIG. 3 , the fixing mechanism 10 is in the same state as the fixing mechanism 10 shown in FIGS. 1A to 1C , and the description and the detailed structure of the fixing mechanism 10 will be omitted. At this time, the steel ball 118 still falls into the groove 116p of the rod-shaped structure 116 and does not protrude from the positioning hole 112h. The engaging element 120 is, for example, an engaging element of a surgical equipment, for example, an engaging element of a bed of an operating table, but the present invention is not limited thereto. The latch portion 112 of the fixing mechanism 10 is used for engaging or disengaging with the engaging element 120 . The engaging element 120 includes a positioning groove 124h and a limiting member 122h. Wherein, the number of the limiting members 122h may be one or more. The positioning groove 124h is located inside the engaging element 120, and the limiting member 122h is, for example, located at the top of the engaging element 120 and has a hollow structure, and the positioning groove 124h is connected to the limiting member 122h. The positioning groove 124h can be used as an accommodating space for the latch portion 112, and the limiting member 122h can be used as an accommodating space for the steel ball 118, as shown in FIGS. 5A and 5B. In FIG. 3, since the steel ball 118 does not protrude from the positioning hole 112h, the latch portion 112 of the fixing mechanism 10 can be freely inserted into or pulled out from the engaging element 120, will not be affected by the steel ball 118. In this state, the extending direction of the handle 114 is, for example, a direction parallel to the X axis.

Referring to FIG. 4 , when the fixing mechanism 10 and the engaging element 120 are to be combined, the latch portion 112 can be inserted into the positioning groove 124h. At this time, the steel ball 118 still falls into the groove 116p, and the steel ball 118, the groove 116p, the positioning hole 112h and the limiting member 122h may overlap each other in the Z-axis direction.

After that, please refer to FIGS. 5A and 5B at the same time, apply force to the handle 114, and the handle 114 drives the rod-shaped structure 116 in the fixing mechanism 10 to rotate (for example, rotate downward according to the arrow R shown in FIG. 3), so that the steel ball 118 leaves the groove 116p and abuts on the top of the rod-shaped structure 116, the steel ball 118 moves toward the direction close to the positioning hole 112h, and the steel ball 118 protrudes from the positioning hole 112h and is engaged with the limiting member 122h, in this way, The fixing mechanism 10 and the engaging element 120 can be firmly combined and fixed, and cannot be easily separated. At this time, the fixing mechanism 10 is in the same state as the fixing mechanism 10 shown in FIGS. 2A and 2B .

When the fixing mechanism 10 is to be separated from the engaging element 120, the handle 114 is rotated in the direction opposite to the arrow R, and the handle 114 drives the rod-shaped structure 116 to rotate, so that the steel ball 118 falls into the groove 116p, and the steel ball 118 moves away from the limit When the positioning member 122h moves in the direction, since the steel ball 118 does not protrude from the positioning hole 112h and cannot be engaged with the limiting member 122h, the latch portion 112 of the fixing mechanism 10 can be freely pulled out of the engaging member 120, as shown in FIG. 4 . The state of the fixing mechanism 10. Afterwards, the latch portion 112 can be easily pulled out of the positioning groove 124h of the engaging element 120 , so that the fixing mechanism 10 and the engaging element 120 are separated from each other, showing the state of the fixing mechanism 10 shown in FIG. 3 .

FIG. 6A shows a schematic diagram of the fixing mechanism 10' as an adapter between the first surgical device 20' and the second surgical device 30' according to an embodiment of the present invention. FIG. 6B shows a side view of the fixing mechanism 10' combined with the first surgical device 20' and the second surgical device 30' according to an embodiment of the present invention.

In this embodiment, the first surgical device 20' is, for example, an operating table, and the second surgical device 30' is, for example, an accessory of the operating table, but the present invention is not limited thereto.

Referring to FIG. 6A, the fixing mechanism 10' includes a first fixing mechanism 101 and a second fixing mechanism 102. The first fixing mechanism 101 includes a first body portion 2101 , a first pin portion 2121 , a first rod-shaped structure 2161 , a first steel ball 2181 and a first extension portion 2261 . The second fixing mechanism 102 includes a second body portion 2102 , a second pin portion 2122 , a second rod-shaped structure 2162 , a second steel ball 2182 and a second extension portion 2262 . That is, the body portion 210 of the fixing mechanism 10 ′ includes a first body portion 2101 and a second body portion 2102 , the pin portion 212 of the fixing mechanism 10 ′ includes a first pin portion 2121 and a second pin portion 2122 , and the fixing mechanism 10 The rod-shaped structure 216 of ' includes a first rod-shaped structure 2161 and a second rod-shaped structure 2162, the steel ball 218 of the fixing mechanism 10' includes a first steel ball 2181 and a second steel ball 2182, and the extension portion 226 of the fixing mechanism 10' includes a first steel ball 2181 and a second steel ball 2182. The extension portion 2261 and the second extension portion 2262. Also, the first fixing mechanism 101 and the second fixing mechanism 102 are respectively similar to the fixing mechanism 10 . That is to say, the first body part 2101 and the second body part 2102 , the first plug part 2121 and the second plug part 2122 , the first rod-shaped structure 2161 and the second rod-shaped structure 2162 , the first steel ball 2181 and the second steel ball The mechanism design of the 2182 is respectively similar to the main body portion 110 , the latch portion 112 , the rod-shaped structure 116 and the steel ball 118 in the fixing mechanism 10 , which will not be described in detail here.

In short, the first body portion 2101 has a first surface 2101s and a second surface 2101f, and the second surface 2101f is opposite to the first surface 2101s. The first latch part 2121 is connected The first extension portion 2261 is connected to and in contact with the first surface 2101s of the first body portion 2101 , and the first extension portion 2261 is connected to and in contact with the second surface 2101f of the first body portion 2101 . The first pin part 2121 has a first positioning hole 2121h, the first rod-shaped structure 2161 is covered by the first body part 2101 and the first pin part 2121, and the first rod-shaped structure 2161 has a first groove 2161p , the first groove 2161p corresponds to the first positioning hole 2121h, and the first steel ball 2181 is disposed between the first pin portion 2121 and the first rod-shaped structure 2161 . The second body portion 2102 has a third surface 2102s and a fourth surface 2102f, and the fourth surface 2102f is opposite to the third surface 2102s. The second plug portion 2122 is connected to and contacts the third surface 2102s of the second body portion 2102 , and the second extension portion 2262 is connected to and contacts the fourth surface 2102f of the second body portion 2102 . The second pin portion 2122 has a second positioning hole 2122h, the second rod-shaped structure 2162 is covered by the second body portion 2102 and the second pin portion 2122, and the second rod-shaped structure 2162 has a second groove 2162p , the second groove 2162p corresponds to the second positioning hole 2122h, and the second steel ball 2182 is disposed between the second plug portion 2122 and the second rod-shaped structure 2162 . The first rod-shaped structure 2161 and the second rod-shaped structure 2162 are rotated by applying force, so as to adjust the first steel ball 2181 and the first positioning hole through a top of the first rod-shaped structure 2161 and the first groove 2161p The distance between the second steel ball 2182 and the second positioning hole 2122h is adjusted through a top of the second rod-shaped structure 2162 and the second groove 2162p. In this embodiment, the number of the first groove 2161p and the number of the second groove 2162p can be one, respectively. In other embodiments, the number of the first grooves 2161p and the second grooves 2162p may be multiple. Similar to the connection relationship between the rod-shaped structure 116 and the handle 114 shown in FIGS. 1A to 5 , the first rod-shaped structure 2161 and the second rod-shaped structure 2162 can be respectively connected to and in contact with a handle (the first rod-shaped structure 2161 The connected handle is not shown, and the handle 2142 connected to the second rod-shaped structure 2162 is shown in Figure 6B), so the first rod-shaped structure 2161 and the second rod-shaped structure can be driven by applying force to the handle 2162 to rotate, but the present invention is not limited to this.

The first plug portion 2121 and the second plug portion 2122 can be used to connect or separate from the first engagement element 2201 and the second engagement element 2202 of the first surgical device 20', respectively, wherein the first engagement element 2201 includes a first positioning groove 2241h and a first limiting member 2221h, the first positioning groove 2241h is connected to the first limiting member 2221h, and the first positioning groove 2241h can be the accommodating space of the first pin portion 2121, and the first limiting member 2221h can be The accommodation space of the first steel ball 2181. The second engaging element 2202 includes a second positioning groove 2242h and a second limiting member 2222h, the second positioning groove 2242h is connected to the second limiting member 2222h, and the second positioning groove 2242h can be an accommodation of the second latch portion 2122 The second limiting member 2222h may be the accommodating space for the second steel ball 2182.

When the fixing mechanism 10 ′ and the first surgical device 20 ′ are to be combined, the first latch portion 2121 and the second latch portion 2122 can be inserted into the first positioning groove 2241h of the first engaging element 2201 and the second engaging element 2202 , respectively. In the second positioning groove 2242h, the first steel ball 2181 and the second steel ball 2182 at this stage still fall into the first groove 2161p and the second groove 2162p respectively, and do not protrude from the first positioning hole 2121h and the second positioning hole 2122h. After that, the first rod-shaped structure 2161 and the second rod-shaped structure 2162 are rotated, so that the first steel ball 2181 and the second steel ball 2182 leave the first groove 2161p and the second groove 2162p, respectively, and abut against the first rod-shaped structure. On the top of 2161 and the top of the second rod-shaped structure 2162, the first steel ball 2181 and the second steel ball 2182 move in the direction of approaching the first positioning hole 2121h and the second positioning hole 2122h respectively, and the first steel ball 2181 and the second steel ball The 2182 protrudes from the first positioning hole 2121h and the second positioning hole 2122h respectively, so that the first steel ball 2181 and the second steel ball 2182 are respectively engaged with the first limiting member 2221h and the second limiting member 2222h. In this way, the fixing mechanism 10' can be firmly combined and fixed to the first surgical device 20'.

The first extension portion 2261 and the second extension portion 2262 are used to combine or separate from the third engagement element 2301 and the fourth engagement element 2302 of the second surgical device 30', respectively. Leave. The third engaging element 2301 includes a third positioning groove 2341h, and the third positioning groove 2341h can be the accommodating space of the first extension portion 2261, the fourth engaging element 2302 includes a fourth positioning groove 2342h, and the fourth positioning groove 2342h It may be the accommodating space of the second extension portion 2262 . When the fixing mechanism 10 ′ and the second surgical device 30 ′ are to be combined, the first extending portion 2261 and the second extending portion 2262 can be inserted into the third positioning groove 2341h of the third engaging element 2301 and the fourth engaging element 2302 respectively. in the fourth positioning groove 2342h.

In one embodiment, the fixing method between the first extending portion 2261 and the third engaging element 2301 and the fixing method between the second extending portion 2262 and the fourth engaging element 2302 are, for example, through the lower part of the third engaging element 2301. The handle (not shown) and the handle Hd at the lower part of the fourth engaging element 2302 are rotated upwards (eg, in the direction of arrow HR), as shown in FIG. The second extension 2262 . However, the fixing method between the first extending portion 2261 and the third engaging element 2301 and the fixing method between the second extending portion 2262 and the fourth engaging element 2302 in the present invention are not limited thereto.

In this embodiment, the first plug portion 2121 and the first extension portion 2261 have axes C1 and C2 extending along the Y-axis, respectively, and the shaft center C1 of the first plug portion 2121 and the shaft center of the first extension portion 2261 There is an offset distance D5 between C2 in the direction of the X axis. The second pin portion 2122 and the second extension portion 2262 have axes C3 and C4 extending along the Y-axis, respectively, and the axis C3 of the second pin portion 2122 and the axis C4 of the second extension portion 2262 are on the X-axis. There is an offset distance D6 in the direction of . The first rod-shaped structure 2161 and the second rod-shaped structure 2162 can take the axes C1 and C3 as the rotation axes respectively.

In some embodiments, the distance between the first latch portion 2121 and the second latch portion 2122 on the X-axis is equal to a first hole distance on the X-axis between the first positioning groove 2221h and the second positioning groove 2222h on the X-axis D7, between the first extension portion 2261 and the second extension portion 2262 The distance on the X axis is equal to a second hole distance D8 between the third positioning groove 2341h and the fourth positioning groove 2342h on the X axis, and the first hole distance D7 is different from the second hole distance D8. In this embodiment, the first hole distance D7 is smaller than the second hole distance D8, but the present invention is not limited to this. The hole distance D7 may be greater than the second hole distance D8 between the third positioning groove 2341h and the fourth positioning groove 2342h, and the distance between the first plug portion 2121 and the second plug portion 2122 may be greater than the first extension portion 2261 and the second Distance between extensions 2262.

Since the first hole distance D7 of the first surgical device 20' is different from the second hole distance D8 of the second surgical device 30', when the first surgical device 20' and the second surgical device 30' are to be connected, the The fixing mechanism 10' according to an embodiment of the invention is used as an adapter to connect and fix the first surgical device 20' and the second surgical device 30' to each other. Moreover, the fixing mechanism 10' has the advantages of quick fixation and quick removal, and can quickly combine and separate the first surgical device 20' and the second surgical device 30', so it is beneficial to the convenience of medical staff in operation. In this embodiment, the fixing mechanism 10 ′ is used as an adapter for the first surgical device 20 ′ and the second surgical device 30 ′ with different hole distances. However, the present invention is not limited to this. In other embodiments, the present invention The fixing mechanism can be used as an adapter for the first surgical device and the second surgical device with the same hole distance.

According to an embodiment of the present invention, a fixing mechanism is provided. The fixing mechanism includes at least one body portion, at least one latch portion, at least one rod-shaped structure, at least one steel ball and at least one handle. The plug portion is connected to the body portion, wherein the plug portion has at least one positioning hole. The rod-shaped structure has at least one groove, and the groove corresponds to the positioning hole. The steel ball is arranged between the latch portion and the rod-shaped structure. The handle is in direct contact with the rod-like structure. When a force is applied to the handle, the handle drives the rod-shaped structure to rotate, so as to adjust the distance between the steel ball and the positioning hole through a top and a groove of the rod-shaped structure.

Compared with the comparative example in which the fixing mechanism is screw locking, the fixing mechanism of the present invention can be combined and dismantled only by slightly rotating the rod-shaped structure, so the operating table accessories can be quickly removed and assembled (fixed) in the operation. The bed of the table is more labor-saving, providing a more convenient operation method for medical staff. Compared with the comparative example in which the rod-shaped structure reciprocates along its length direction, the rod-shaped structure according to one embodiment of the present application adjusts the distance between the steel ball and the positioning hole by rotating, and the length of the latch portion can be adjusted. reduction, and the rod-shaped structure does not need to be driven by the spring structure, so the body part does not need a accommodating space for the spring structure, that is, the volume of the body part and the rod-shaped structure can be reduced, and the number of required parts can be reduced. cost.

To sum up, although the present invention has been disclosed by the above embodiments, it is not intended to limit the present invention. Those skilled in the art to which the present invention pertains can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the appended patent application.

10: Fixed mechanism

110: body part

110h: Opening

110s: first surface

110u: upper surface

112: Latch Department

112h: Positioning hole

114: handle

114a: head

114b: Connector

116: Rod Structure

116p: Groove

118: Steel ball

126: Extensions

R: arrow

Claims (14)

A fixing mechanism, comprising: at least one body part; at least one plug part connected to the body part, wherein the plug part has at least one positioning hole; at least one rod-shaped structure covered by the body part and the plug part , and the rod-shaped structure has at least one groove, and the groove corresponds to the positioning hole; at least one steel ball is arranged between the plug portion and the rod-shaped structure; and at least one handle is directly in contact with the rod-shaped structure; Wherein, when force is applied to the handle, the handle drives the rod-shaped structure to rotate, so as to adjust the distance between the steel ball and the positioning hole through a top of the rod-shaped structure and the groove. The fixing mechanism of claim 1, wherein when the rod-shaped structure rotates so that the steel ball falls into the groove, the steel ball moves in a direction away from the positioning hole. The fixing mechanism of claim 2, wherein a vertical distance between a vertex of the steel ball and the top of the rod-shaped structure is smaller than a vertical distance between a vertex of the positioning hole and the top of the rod-shaped structure . The fixing mechanism as claimed in claim 2, wherein the latch portion is used for combining or disengaging with an engaging element of a first surgical device, wherein the engaging element comprises a positioning groove and at least one limiting piece, and the positioning groove is connected to at this limit and the positioning groove is the accommodating space of the latch portion, and the limiting piece is the accommodating space of the steel ball. When the rod-shaped structure rotates so that the steel ball falls into the groove, the steel ball moves away from the The direction of the limiter moves. The fixing mechanism of claim 1, wherein when the rod-shaped structure rotates so that the steel ball leaves the groove and abuts against the top of the rod-shaped structure, the steel ball moves in a direction close to the positioning hole , and the steel ball protrudes from the positioning hole. The fixing mechanism of claim 5, wherein a vertical distance between a vertex of the steel ball and the top of the rod-shaped structure is greater than a vertical distance between a vertex of the positioning hole and the top of the rod-shaped structure . The fixing mechanism according to claim 5, wherein the latch portion is used to connect or separate with an engaging element of a first surgical device, wherein the engaging element includes a positioning groove and at least one limiting piece, and the positioning groove is connected to In the limiting piece, the positioning groove is the accommodating space of the plug portion, and the limiting piece is the accommodating space of the steel ball. When the rod-shaped structure rotates, the steel ball leaves the groove and abuts against the steel ball. At the top of the rod-shaped structure, the steel ball is snapped into the limiting member. The fixing mechanism of claim 1, wherein the handle includes a head and a connecting portion, the connecting portion is disposed between the head and the rod-like structure, wherein the head includes a safety lock mechanism. The fixing mechanism of claim 1, further comprising a first extension portion, the body portion comprising a first body portion, the plug portion comprising a first plug portion, wherein the first extension portion is connected to the first extension portion a body part, and a first surface of the first body part in contact with the first pin part is opposite to a second surface of the first body part in contact with the first extension part, wherein the axis of the first pin part There is an offset distance between the center and the axis of the first extension. The fixing mechanism of claim 1, wherein the body portion includes a first body portion and a second body portion, the latch portion includes a first latch portion and a second latch portion, and the rod-shaped structure includes a first latch portion A rod-shaped structure and a second rod-shaped structure, the steel ball includes a first steel ball and a second steel ball, wherein the first pin part is connected to the first body part, and the first pin part has at least one first pin a positioning hole, the first rod-shaped structure is covered by the first body part and the first pin part, and the first rod-shaped structure has at least one first groove, the first groove corresponds to the first groove a positioning hole, the first steel ball is disposed between the first pin part and the first rod-shaped structure, wherein the second pin part is connected to the second body part, and the second pin part has at least one second pin a positioning hole, the second rod-shaped structure is covered by the second body part and the second pin part, and the second rod-shaped structure has at least one second groove, the second groove corresponds to the first Two positioning holes, the second steel ball is disposed between the second pin portion and the second rod-shaped structure, The first rod-shaped structure and the second rod-shaped structure are rotated by applying force to adjust the first steel ball and the first positioning hole through a top of the first rod-shaped structure and the first groove The distance between the second steel ball and the second positioning hole is adjusted through a top of the second rod-shaped structure and the second groove. The fixing mechanism of claim 10, wherein the first latch portion and the second latch portion are respectively used to engage or disengage with a first engagement element and a second engagement element of a first surgical device, wherein the first engagement element An engaging element includes a first positioning groove and at least one first limiting member, the first positioning groove is connected to the first limiting member, and the first positioning groove is the accommodating space of the first latch portion, the The first limiting piece is the accommodating space of the first steel ball, wherein the second engaging element includes a second positioning groove and at least one second limiting piece, the second positioning slot is connected to the second limiting piece, And the second positioning groove is the accommodating space of the second pin portion, and the second limiting member is the accommodating space of the second steel ball. The fixing mechanism of claim 11, further comprising a first extension portion and a second extension portion, wherein the first extension portion is connected to the first body portion, and the first body portion contacts the first plug A first surface of the portion is in contact with a second surface of the first extension portion relative to the first body portion, The second extension portion is connected to the second body portion, and a third surface of the second body portion that contacts the second plug portion is opposite to a first surface of the second body portion that contacts the second extension portion. Four surfaces. The fixing mechanism of claim 12, wherein the first extension portion and the second extension portion are respectively used to connect or separate with a third engagement element and a fourth engagement element of a second surgical device, wherein the The third engaging element includes a third positioning groove, and the third positioning groove is the accommodating space of the first extension portion, the fourth engaging element includes a fourth positioning groove, and the fourth positioning groove is the second positioning groove The accommodating space of the extension. The fixing mechanism of claim 13, wherein the distance between the first latch portion and the second latch portion is equal to a first hole distance between the first positioning groove and the second positioning groove, and the first The distance between an extension portion and the second extension portion is equal to a second hole distance between the third positioning groove and the fourth positioning groove, and the first hole distance is different from the second hole distance.

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