WO2013165096A1

WO2013165096A1 - Pin holder assembly for fixing pins provided on head clamp

Info

Publication number: WO2013165096A1
Application number: PCT/KR2013/002546
Authority: WO
Inventors: 최근욱; 고창훈
Original assignee: (주)세인메덱스
Priority date: 2012-04-30
Filing date: 2013-03-27
Publication date: 2013-11-07
Also published as: KR101232186B1

Abstract

The present invention relates to a pin holder assembly for fixing pins which are provided on a head clamp. More specifically, a pin holder device assembly for fixedly installing the pins that are provided on the head clamp for a surgical operation or examination comprising a frame, which is coupled to one end of a table that supports the body of a patient, and arms, each of which is coupled to either side of the frame, respectively, comprises: a first pin holder device, which is coupled to an end of a first arm that is coupled to one end of the frame and has a specific length, for coupling pins that come into contact with the head to each of the ends on either side of the frame; and a second pin holder device, which is coupled to an end of a second arm that is coupled to the other end of the frame, for coupling pins that come into contact with the outer surface of the head.

Description

Pin holder assembly for fixing the pins provided in the head clamp

The present invention relates to a pin holder assembly for fixing a pin provided in the head clamp. More specifically, in the pin holder assembly for fixing the pin provided in the head clamp for fixing the patient's head for surgery or examination, the pin can be entered into a two-stage structure, and the angle of the pin can be varied. The present invention relates to a pin holder assembly that can firmly and stably fix a patient's head even when a patient's posture or position is changed during examination or surgery.

In general, in order to enter the patient's head into the brain surgery, surgery for imaging the brain CT, the inside of the gantry of the measuring equipment, the patient's head must be firmly fixed and the center of gravity is parallel.

In the case of such a brain surgery, the head clamp for fixing the head of the patient before entering the head into the gantry of the measuring device is described in the prior US Patent No. 03835861. The U.S. Patent No. 03835861 is a surgical head clamp, and includes a flat frame and a first arm and a second arm fixed to both sides of the frame. Then, each of the ends of the first arm and the end of the second arm has a structure coupled to the pin.

The pins are contacted and inserted into the head to fix the head to enter the inside of the gantry. However, US Patent No. 03835861 has a distance between the first arm and the second arm, and the width of the entire size is larger than the diameter of the gantry. There has been a problem that the entire head clamp fixed to the patient's head cannot be entered into the gantry. Therefore, the whole head clamp could not be entered into the gantry, so CT imaging was impossible during brain surgery, and there was a discomfort and danger that the assistant should hold the head of the unconscious patient and fix the frame.

In addition, the angle between the first arm and the second arm is not adjusted, it can not be replaced, it is difficult to apply to patients with various head sizes, the angle change of the pin and the pin is fastened to the first arm and the second arm There was a problem that can not be firmly fixed to the patient's head when the position, position of the patient is changed because the angle can not be adjusted.

In addition, the pin material provided in the head clamp conventionally used a metal material such as stainless steel pin, titanium pin or sapphire pin, but when using the metal material, the image is distorted up to 3cm around the metal pin during image CT. It was.

Therefore, pins of various sizes can be replaced, and the pin holder assembly can be used to finely control the angle and insertion depth of the pins, the angle of the pins, and for brain surgery or brain tests that can reduce image distortion. There was a need for a pin holder assembly that is coupled to a head clamp for securing a head.

The present invention is derived to solve the above problems, the head centerline is located along the center axis line of the gantry in the fixed state of the head and the angle of the pin is adjustable, even if the position of the patient's posture changes the centerline of the head And the center axis of the gantry coincide to provide a pin holder assembly capable of keeping parallel. In addition, it is possible to replace the pin to a different size can be applied to a variety of patient head size, it is made of a Duralurine material to provide a pin holder assembly to remove the image distortion during radiographic CT scan.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments in conjunction with the accompanying drawings.

An object of the present invention is a pin provided in the head clamp for fixing the head of the patient having a frame coupled to one end of the table for supporting the body of the patient and the arms coupled to each side of the frame for surgery or examination 1. A pin holder assembly for fixing and installing a pin holder, comprising: a first pin holder device coupled to an end of a first arm coupled to an end of a frame and having a specific length and fastening a pin contacting an outer surface of a head to each of both ends; And a first pin holder device coupled to the end of the second arm coupled to the other end of the frame to fasten the pin in contact with the outer surface of the head.

The first pin holder device may be provided in a curved shape having a predetermined curvature.

A pin is fastened to one end and a pin holder part having a first screw thread formed at the other end; And the other end of the pin holder coupled to one end, and the other end formed with a second screw thread engaged with the first screw thread on the other end thereof. The angle between the longitudinal direction of the pin fastened to and the longitudinal direction of the pin fastened to the other end pin holder portion may be configured to be convertible.

The pin may be detachable from the first pin holder device.

It may be characterized in that it further comprises a rotating portion provided between the first arm and the first pin holder device to enable the first pin holder device to be rotatable about the first axis in the transverse direction.

The pin fastened to the first pin holder device may be made of a non-metallic material.

The pin may be composed of quartz.

The end of the second arm has an insertion hole formed with a thread on the inner circumferential surface, and the second pin holder device has a thread formed on the outer circumference of the second arm so as to be inserted into the insertion hole and fasten the pin therein. It can be characterized by having.

The first depth adjusting tool may be characterized by converting the insertion length of the fastened pin by the movement of the thread.

A thread is formed on the inner circumferential surface of the first depth adjusting tool, and is provided between the first depth adjusting tool and the pin, and a thread is formed on the outer circumferential surface, and the second depth adjusting tool may be inserted into the pin.

The pin may be detachable from the second pin holder device.

The pin fastened to the second pin holder device may be made of a non-metallic material.

The pin may be composed of quartz.

Therefore, according to the embodiment of the present invention as described above, the head center line is located along the center axis line of the gantry in the fixed state of the head and the angle of the pin can be adjusted so that the centerline and gantry of the head is changed The internal center axis is coincident with the effect of maintaining parallelism. In addition, it is possible to replace the pin to a different size can be applied to a variety of patient head size, it is made of a Duralurine material has the advantage that the image distortion is removed during the radiographic CT scan.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various other modifications and variations are possible without departing from the spirit and scope of the present invention. Are all within the scope of the appended claims.

1 is an exploded perspective view of a state in which a head bracket is separated from a head clamp to which a pin holder assembly is coupled according to an embodiment of the present invention;

2 is a perspective view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention;

3 is a side view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention;

4 is a plan view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention;

5 is a plan view of the first pin holder device removing the rotating part of the pin holder assembly according to an embodiment of the present invention;

Figure 6 is a perspective view of one end pin holder of the first pin holder device according to an embodiment of the present invention,

7 is a plan view of one end of the pin holder of the first pin holder device according to an embodiment of the present invention;

8 is a perspective view of the other end pin holder of the first pin holder device according to an embodiment of the present invention;

9 is a plan view of the other end of the pin holder of the first pin holder device according to an embodiment of the present invention;

10 is a perspective view of a second pin holder device according to an embodiment of the present invention,

Figure 11 shows a side view of the second pin holder device according to an embodiment of the present invention.

1: head clamp 2: pin

11: Vertical axis frame 12: Horizontal axis frame

13: First Government: 14: Second Government

21: first length control unit 22: second length control unit

31: first arm 32: second arm

41: Insertion groove 42: Head bracket

43: Insertion 44: The third government

50: first pin holder device 51: rotating part

52: One end pin holder part 53: The other end pin holder part

54: fastening member 60: second pin holder device

61: first depth adjustment unit 62: second depth adjustment unit

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing in detail the operating principle of the preferred embodiment of the present invention, if it is determined that the detailed description of the related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

In addition, the same reference numerals are used for parts having similar functions and functions throughout the drawings. Throughout the specification, when a part is connected to another part, this includes not only the case where it is directly connected, but also the case where it is indirectly connected with another element in between. In addition, the inclusion of any component does not exclude other components unless specifically stated otherwise, it means that may further include other components.

Hereinafter, to describe the configuration and function of the pin holder assembly for holding the pin in the head clamp (1) for fixing the head of the patient for the surgical operation or examination of the patient's head according to an embodiment of the present invention do. First, the configuration of the head clamp 1 to which the pin holder assembly according to the embodiment of the present invention will be briefly described. The head clamp 1 described below is only one example of a pin holder assembly according to an embodiment of the present invention, but only if the pin holder device according to the present invention can be coupled to the following. The scope of the present invention is not limited to the configuration of the head clamp 1.

First, Figure 1 shows an exploded perspective view of the head bracket 42 is separated from the head clamp 1 is coupled to the pin holder assembly according to an embodiment of the present invention. As shown in Figure 1, the head clamp 1 according to an embodiment of the present invention is a fastening plate fastened to one end of the table for supporting the body of the patient, one end is coupled to the central end of the fastening plate in the longitudinal direction A longitudinal axis frame 11 parallel to the first axis direction in the longitudinal direction, a horizontal axis frame 12 parallel to the second axis direction in the longitudinal direction and perpendicular to the first axis direction, and a vertical axis frame 11 A length adjusting part provided between the horizontal axis frames 12 to guide the vertical axis frames 11 in the first axis direction and to guide the horizontal axis frames 12 in the second axis direction, each of which has one end Arms coupled to each of both ends of the transverse frame 12, a pin holder device coupled to the other end of each of the arms, each pin is coupled to a pin holder device, the pin for securing the head between the arms (2) ) And one side of the horizontal frame (12) By the insertion groove 41 and the pin (2) it can be understood as including head bracket 42 for supporting the head prior to securing the hair.

As shown in FIG. 1, the frame of the head clamp 1 according to the embodiment of the present invention has a vertical axis frame 11 parallel to the first axis in the longitudinal direction and the first axis in the longitudinal direction is perpendicular to the first axis. It can be seen that the horizontal axis frame 12 that is parallel to the second axis. The vertical frame 11 and the horizontal frame 12 is preferably made of a Duralumin material to prevent the image is distorted during CT imaging. In addition, one side end of the longitudinal frame 11 is provided with a fastening plate is coupled to the longitudinal frame 11 to one end of the table supporting the body of the patient.

In addition, the head clamp 1 according to an embodiment of the present invention includes a length adjusting portion that is inserted between the longitudinal frame 11 and the transverse frame 12. As shown in FIG. 1, the length adjusting part is inserted into the first length adjusting part 21 and the horizontal axis frame 12 inserted into the longitudinal frame 11 and the first length adjusting part 21. It can be seen that the second length control unit 22 is connected to the. When the first fixture 13 is removed, the vertical axis frame 11 is movable along the thread of the first length adjustment part 21, and the user may move the vertical axis frame 11 to a desired position by the first fixture 13. ) Can be fixed to the first length adjustment unit (21).

In addition, as shown in Figure 1, the thread is formed on the outer surface of one side of the second length adjusting portion 22, the second fixing sphere 14 is inserted into one side of the horizontal frame 12, the second length adjustment The second length adjusting part 22 is fixed to the horizontal frame 12 while being caught by the thread formed in the part 22. Accordingly, the vertical axis frame 11 is reciprocated in the first axis direction by the first length adjustment unit 21, and the horizontal axis frame 12 is moved in the second axis direction by the second length adjustment unit 22. Reciprocating movement is possible. In addition, the first length adjusting unit 21 and the second length adjusting unit 22 may also be made of a Duralamine material to prevent the image from being distorted during CT imaging.

In addition, it can be seen that the head clamp 1 according to the embodiment of the present invention includes two arms, as shown in FIG. 1. It can be seen that the arm includes a first arm 31 coupled to one end of the transverse frame 12 and a second arm 32 coupled to one end of the second length control unit.

In addition, the head clamp 1 to which the pin holder device is coupled according to an embodiment of the present invention, as shown in Figure 1, the head bracket is inserted into the insertion groove 41 formed on one side of the horizontal frame 12 is assembled It can be seen that it includes (42). This head bracket 42 is installed to support the patient's head before the head is fixed by the pin (2). Head bracket 42 according to an embodiment of the present invention has a disc shape, and has a protrusion formed with a screw thread in the center of the lower surface. In addition, since the protrusion is inserted into the insertion hole to move along the thread, it is possible to move the head bracket 42 up and down. In addition, the insertion hole 43 is inserted into the insertion groove 41 formed in the horizontal axis frame 12, and the third bracket 44 can be fitted to fasten the head bracket 42 to the horizontal axis frame 12, By removing the third fixing portion 44, the head bracket 42 can be separated.

Hereinafter will be described the configuration and function of the pin holder assembly according to an embodiment of the present invention. The pin holder assembly according to an embodiment of the present invention includes a first pin holder device 50 and a second pin holder device 60. The first pin holder device 50 is assembled and fastened to the other end of the first arm 31 mentioned above. Figure 2 shows a perspective view of the first pin holder device 50 according to an embodiment of the present invention. 3 is a side view of the first pin holder device 50 according to an embodiment of the present invention, and FIG. 4 is a plan view of the first pin holder device 50 according to an embodiment of the present invention. It is shown.

As shown in Figures 2, 3 and 4, the first pin holder device 50 of the present invention is a rotating portion 51, one pin holder portion 52, the other end pin holder portion 53 and the fastening member ( 54) and the like.

As shown in FIGS. 2, 3 and 4, the rotating part 51 constituting the first pin holder device 50 corresponds to a thread which is engaged with a thread formed at the other end of the first arm 31. It can be seen that the thread is provided. Therefore, the screw thread formed on the rotating part 51 and the screw thread formed on the other end of the first arm 31 are engaged with each other to move, so that the first pin holder device 50 is formed in the form of a spur gear around an axis parallel to the second axis. It can rotate.

5 illustrates a plan view of the first pin holder device 50 from which the rotating unit 51 is removed according to an embodiment of the present invention. 2, 3, 4 and 5, the first pin holder device 50 according to an embodiment of the present invention is one pin holder 52 and the other pin holder 53 It can be seen that.

6 is a perspective view of one end pin holder portion 52 of the first pin holder device 50 according to an embodiment of the present invention, Figure 7 is a first pin holder device according to an embodiment of the present invention The top view of the pin holder part 52 of 50 is shown. 8 illustrates a perspective view of the other end pin holder part 53 of the first pin holder device 50 according to an embodiment of the present invention, and FIG. 9 illustrates a first pin according to an embodiment of the present invention. The top view of the other end pin holder part 53 of the holder apparatus 50 is shown.

One end of the pin holder portion 52 and the other end pin holder portion 53 has a curved shape having a predetermined curvature. That is, one pin holder 52 and the other pin holder 53 has a concave shape toward the inside of the head clamp 1 according to an embodiment of the present invention, as shown in Figure 2 and 3 It can be seen that.

In addition, as shown in Figures 5, 6 and 7, one end of the pin holder portion 52 according to an embodiment of the present invention has a thread formed radially on the outer periphery at one end, a pin ( It can be seen that 2) forms a hole to be inserted and fastened. The pin 2 once assembled to the pin holder part 52 is detachable and is configured to be able to replace the pin 2 when a pin 2 of a different size is required.

In addition, as shown in Figure 5, 8 and 9, the other end pin holder portion 53 according to an embodiment of the present invention also has a thread formed radially on the outer circumferential portion at one end, a pin ( It can be seen that 2) forms a hole to be inserted and fastened. The pin 2, which is assembled to the other end pin holder part 53, also has a tilting attachment, and is configured to be able to replace the pin 2 when a pin 2 having a different size is required.

Therefore, the thread formed on the outer peripheral portion of the one end thereof is later meshed with the thread formed on the other end pin holder portion 53 so as to be moved in a spur gear manner about a third axis perpendicular to the second axis direction. Therefore, the pin holder portion 52 and the other end pin holder portion 53 are rotatably engaged with respect to the third axis so that the lengthwise direction of the pin 2 assembled to the pin holder portion 52 and the other end pillar holder portion ( The angle between the longitudinal directions of the pins 2 assembled to 53 can be adjusted.

Then, the fastening member 54 is coupled to each of both sides of the portion where the one end pin holder portion 52 and the other end pin holder portion 53 are engaged by a screw thread so that the one end pin holder portion 52 and the other end pin holder portion ( 53). In addition, the first pin holder device 50 is also preferably made of Duralumin material to prevent the image is distorted during CT imaging.

In addition, the head clamp 1 according to an embodiment of the present invention includes a second pin holder device 60 that is assembled to the other end of the second arm (32). And, Figure 10 shows a perspective view of a second pin holder device 60 according to an embodiment of the present invention, Figure 11 is a side view of the second pin holder device 60 according to an embodiment of the present invention. It is shown.

As shown in FIGS. 10 and 11, the second pin holder device 60 according to the embodiment of the present invention is formed at the end of the second arm 32 and is disposed therein. It is in the form of a hollow tube to be inserted into the threaded insertion hole and the pin 2 is inserted into the installation.

In addition, the second pin holder device 60 includes the first length adjusting part 61 and the second depth adjusting part 62, as shown in FIGS. 10 and 11. The inner clamp of the head clamp 1 allows the protrusion and insertion to have a two-stage entry structure. That is, the first depth adjusting part 61 has a screw thread formed on the outer circumferential surface thereof, is inserted into an insertion hole provided at the end of the second arm 32, rotates along the screw thread direction, and pins in a direction parallel to the second axis direction. (2) can be moved. Therefore, the insertion depth of the pin 2 for fixing the head can be adjusted by the first depth adjusting part 61.

In addition, a screw thread is formed on the inner circumferential surface of the first depth adjusting part 61, and is screwed with each other with a screw thread formed on the outer circumferential surface of the second depth adjusting part 62. Movement of (2) becomes possible. The pin 2, which is assembled to the second depth adjusting part 62, is also configured to be tilted so that the pin 2 can be replaced when a pin 2 of a different size is required. In addition, the second pin holder Device 60 is also preferably made of Duralumin material to prevent the image is distorted during CT imaging. And, in the case of the pin 2, if the image is composed of a metal material, the image may be distorted to a white color up to 3 cm around the metal pin in the image CT.

Hereinafter, a brief description will be given of a method of fixing the head of the patient to the head clamp (1) described above. First, the coupling of the head clamp 1 according to an embodiment of the present invention by a fastening plate to one end of the table lying patient is installed. Then, the insertion hole 43 is inserted into the insertion groove 41 formed at one side of the horizontal axis frame 12 to assemble the head bracket 42 to the horizontal axis frame 12. And while adjusting the height by rotating the head bracket 42 so that the upper surface of the head bracket 42 supports the back of the head of the patient.

Next, in order to match the central axis of the head and the central axis of the head clamp 1, the longitudinal axis frame 11 is moved in the first axis direction by the first length adjusting part 21 and the second length adjusting part 22. The horizontal axis frame 12 is moved in the second axis direction.

Then, the first arm 31 and the second arm 32 are rotated in the second axial direction in the form of a spur gear, respectively, to adjust the angle, and by the rotating unit 51 provided in the first pin holder device 50. The first pin holder device 50 is rotated about an axis parallel to the second axis direction. Then, if necessary, in order to fix the head by the pin 2, the pin holder part 52 and the other end pin holder part 53 are rotated with respect to the third axis in the form of a spur gear so that the angle with the pin 2 is reduced. Will be adjusted.

Then, the pin 2 is inserted into the outer surface of the head by the first depth adjusting part 61 and the second depth adjusting part 62 provided in the second pin holder device 60 to implement the head of the present invention. It is fixed to the head clamp 1 according to the example. When the fixing of the head is completed, the head clamp (1) fixed head is entered into the gantry for brain surgery or brain CT imaging.

Claims

Fixing and installing a pin provided in a head clamp for fixing a patient's head, having a frame coupled to one end of a table for supporting a patient's body and arms coupled to both sides of the frame for surgery or examination. A pin holder assembly for

A first pin holder device coupled to an end of the first arm coupled to one end of the frame and having a specific length and fastening a pin contacting an outer surface of the head to each of both ends; And

A second pin holder device coupled to the end of the second arm coupled to the other end of the frame to fasten the pin in contact with the outer surface of the head; and a pin holder for fixing the pin provided in the head clamp. assembly.
The method of claim 1,

The first pin holder device

Pin holder assembly for fixing the pin provided in the head clamp, characterized in that provided in a curved shape having a predetermined curvature.
The method of claim 2,

One end of the pin is fastened to one end, and the other end of the first pin holder is formed with a first screw thread; And

And the other end pin holder part having a second screw thread engaged with the first screw thread at one end thereof and fastening to the other end thereof.

The angle between the longitudinal direction of the pin fastened to the pin holder portion and the lengthwise direction of the pin fastened to the other pin holder in the gear type so that the first screw thread and the second screw thread are engaged to move. Pin holder assembly for fixing the pin provided in the head clamp, characterized in that.
The method of claim 2,

The pin holder assembly for fixing the pin provided in the head clamp, characterized in that detachable to the first pin holder device.
The method of claim 4, wherein

And a rotation part provided between the first arm and the first pin holder device to enable the first pin holder device to be rotatable about a first axis in a horizontal direction. Pin holder assembly for fixing.
The method of claim 2,

The pin holder assembly is fastened to the first pin holder device is a pin holder assembly for fixing the pin provided in the head clamp, characterized in that consisting of a non-metal material.
The method of claim 6,

The pin holder assembly for fixing the pin provided in the head clamp, characterized in that consisting of quartz.
The method of claim 1,

The end of the second arm is formed with an insertion hole formed with a thread on the inner peripheral surface,

The second pin holder device has a screw thread formed on an outer circumferential surface thereof so as to be inserted into the insertion hole and have a first depth adjusting tool for fastening the pin therein. Holder assembly.
The method of claim 8,

The first depth adjustment tool pin holder assembly for fixing the pin provided in the head clamp, characterized in that for changing the insertion length of the pin fastened by the movement of the thread.
The method of claim 9,

A thread is formed on the inner circumferential surface of the first depth adjusting tool,

The pin holder for fixing the pin provided in the head clamp, characterized in that it comprises a second depth adjustment port provided between the first depth adjustment port and the pin, the thread is formed on the outer peripheral surface and the pin is inserted into the inside assembly.
The method of claim 8,

The pin holder assembly for fixing the pin provided in the head clamp, characterized in that the removable pin to the second pin holder device.
The method of claim 8,

Pin holder assembly for fixing the pin provided in the head clamp, characterized in that the pin is fastened to the second pin holder device is made of a non-metal material.
The method of claim 12,

The pin holder assembly for fixing the pin provided in the head clamp, characterized in that consisting of quartz.