KR101221220B1 - Cylinder for continuous bone distraction and continuous bone distraction apparatus using the same - Google Patents

Abstract

The present invention relates to a cylinder for continuous bone distraction and a continuous bone distraction device using the same, wherein a plurality of cylinders having different cross sections and a central portion are formed, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area, and the central portion has a minimum cross-sectional area. Is inserted into the cylinder having a cylinder having a minimum cross-sectional area is coupled to the center so as to be movable, a semi-permeable membrane is formed on one side of each cylinder, the inside includes a cylinder portion filled with a higher concentration of liquid than the liquid outside the cylinder, The parts are provided in pairs and are disposed on opposite sides of the center, and the liquid outside the cylinder is sequentially introduced into the respective cylinders from the cylinder having the largest cross-sectional area through the semipermeable membrane, and each cylinder is separated from the cylinder having the maximum cross-sectional area. Sequentially in this direction It is characterized.
As a result, the body fluid is introduced into the cylinder through the semi-permeable membrane, and the cylinder is moved, so that the interval between the bone gaps can be continuously, and the operator does not have to periodically distract the bone distraction device, thereby reducing the waste of professional personnel.

Description

CYLINDER FOR CONTINUOUS BONE DISTRACTION AND CONTINUOUS BONE DISTRACTION APPARATUS USING THE SAME

The present invention relates to a cylinder for continuous bone distraction and a continuous bone distraction device using the same. In particular, through the semi-permeable membrane, the liquid from the outside of the relative cylinder is introduced into the cylinder, so that a plurality of cylinders coupled with the spaced apart bones are sequentially moved in the direction of the bone, thereby further separating the spaced apart bones. The present invention relates to a cylinder for continuous bone distraction which is pressurized as much as possible and a continuous bone distraction device using the same.

In the case of a procedure using a conventional bone distraction device, the fixation device is first fixed to the bone, and then osteotomy is performed on the middle portion of the fixed bone. Here, to minimize the damage of the periosteum, the progress of the course for 5 periods after the osteotomy is observed.

5 After a period of time has elapsed by using a bone distraction device about 1mm per day bone. The stretched bone area is filled with the newly formed bone.

Such a conventional bone distraction device has a problem that a professional man is wasted because a surgeon, such as a doctor must periodically distract the bone distraction device.

In addition, the conventional bone distraction device has to be re-surgery to remove it after the procedure is completed, there is a problem of causing time or money consumption because not only physical pain increases but also need to revisit the treatment center, such as a hospital .

A cylinder for continuous bone distraction according to the present invention and a continuous bone distraction device using the same are derived to solve the above-mentioned conventional problems, and an object thereof is to solve the following problems.

First, it is intended to provide a cylinder for continuous bone distraction, and a continuous bone distraction device using the same, in which the distance between two consecutively spaced bones can be further separated.

Secondly, to provide a cylinder for continuous bone distraction without a separate removal process in the bone distraction device and a continuous bone distraction device using the same.

The solution to the problem of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

The cylinder for continuous bone distraction according to the present invention is formed of a plurality of cylinders and centers having different cross-sectional areas, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area. The cylinder having a coupled to the central portion is movable, a semi-permeable membrane is formed on one side of each cylinder, the inside includes a cylinder portion filled with a higher concentration of liquid than the liquid outside the cylinder.

In the cylinder for continuous bone distraction according to the present invention, a pair of cylinders is provided on opposite sides of the central portion.

The cylinder for continuous bone stretching according to the present invention is sequentially introduced into the respective cylinders from the cylinder having the maximum cross-sectional area through the semi-permeable membrane, the cylinder from the cylinder having the maximum cross-sectional area in the direction away from the center Characterized in that moved to.

The continuous bone distraction device using the cylinder for bone distraction according to the present invention includes the cylinder for continuous bone distraction described above.

Continuous bone distraction device using a cylinder for bone distraction according to the present invention includes a body portion for receiving a pair of cylinder portions and are respectively coupled to both bones.

Continuous bone distraction device using a cylinder for bone distraction according to the present invention is coupled to the sides of each of the body portion elastically coupled, extending in conjunction with the moving cylinder portion, the housing having a support portion in contact with the bottom surface of the cylinder portion Include.

Continuous bone distraction device using a cylinder for bone distraction according to the present invention is a cylinder for the continuous bone distraction described above and the body portion spaced apart from the upper spaced both bones, and a lower portion and spaced body portion It includes a housing having a leg portion coupled to each of the two bones.

Continuous bone distraction device using a cylinder for bone distraction according to the present invention, when the cylinder portion is sequentially moved in the direction of the bone, the cylinder portion to press the leg portion through the body portion, the leg portion moves in conjunction with each cylinder to be moved It is characterized in that the pressure so that the two bones spaced apart.

The continuous bone distraction device using the cylinder for bone distraction according to the present invention is characterized in that the inside of the cylinder having a small cross-sectional area is filled with a solution or solute having a higher concentration than the solution in the cylinder having the next largest cross-sectional area.

In the continuous bone distraction device using the cylinder for bone distraction according to the present invention, the cylinder is characterized in that it comprises a guard formed to be removable, but to seal the semi-permeable membrane to block the contact of the semi-permeable membrane and the solution.

Continuous bone distraction device using a cylinder for bone distraction according to the present invention is further provided with a guard removal portion protruding on one side of each cylinder, when the cylinder having a large cross-sectional area is moved the guard removal portion formed in the cylinder having the next highest cross-sectional area The cylinders having a cross-sectional area of the next highest order are removed by pushing the external liquid into the bone through the semi-permeable membrane when the concentration of the external liquid is lower than the concentration of the liquid filled in each cylinder.

In the continuous bone distraction device using a cylinder for bone distraction according to the invention is characterized in that the guard is provided with a fusible material.

In the continuous bone distraction device using the cylinder for bone distraction according to the invention is characterized in that the cylinder and the housing is formed of a fusible material.

In the continuous bone distraction device using a cylinder for bone distraction according to the present invention is characterized in that it is further coupled to both sides of the leg or body portion, the support portion is in contact with the bottom surface of the cylinder portion.

In the continuous bone distraction device using a cylinder for bone distraction according to the invention is characterized in that the support portion is formed of a corrugated structure or telescope (telescope) structure.

In a continuous bone distraction device using a cylinder for bone distraction according to the present invention, the housing is elastically coupled to an upper side of each of the body parts respectively coupled to both bones, and further comprising a cover part having at least one opening. do.

In the continuous bone distraction device using a cylinder for bone distraction according to the present invention, the leg portion is formed of a plurality of first members spaced apart in the lateral direction and a second member connecting the first member on the upper side of the first member. It is done.

The cylinder for continuous bone distraction according to the present invention is formed of a plurality of cylinders and centers having different cross-sectional areas, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area. Is coupled to the center to move the cylinder having a central, semi-permeable membrane is formed on one side of each cylinder, the inside includes a cylinder portion filled with a higher concentration of liquid than the liquid outside the cylinder, the liquid outside the cylinder through the semi-permeable membrane From the cylinder having a sequential inflow into each cylinder, each cylinder from the cylinder having the largest cross-sectional area is characterized in that it is sequentially moved in a direction away from the center.

A cylinder for continuous bone distraction according to the present invention and a continuous bone distraction device using the same have the following effects.

First, the space between the two bones spaced apart by moving the cylinder through the body fluid is introduced into the cylinder through the semi-permeable membrane has the effect that can be further spaced continuously. As a result, since the operator does not have to periodically distract the bone distraction device, the waste of specialist personnel can be reduced.

Second, after a certain time has passed after the bone distraction device is used on the bone using the cylinder and the housing as fusible materials, the cylinder and the housing are melted and removed, thereby eliminating the need for a separate removal process. Thereby, there is no need for a re-treatment to remove it, thereby reducing physical pain for the patient.

Third, when the cylinder and the housing are melted away, there is no need for a re-operation to remove it, thereby reducing time or money consumption by not revisiting a laboratory such as a hospital.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a first embodiment of a cylinder for a continuous bone distraction according to the present invention and a pair of cylinders in a continuous bone distraction device using the same.
Figure 2 is a second embodiment consisting of a pair of cylinders for continuous bone stretching and a continuous bone stretching apparatus using the same according to the present invention.
3 is a third embodiment of a cylinder for a continuous bone distraction according to the present invention and a pair of cylinders in a continuous bone distraction device using the same.
4 is a view showing the support portion of the embodiment of the cylinder for continuous bone distraction and the continuous bone distraction device using the same according to the present invention.
5 is a view illustrating a process of removing the guard while the cylinder moves.
Figure 6 is a fourth embodiment consisting of a cylinder for a continuous bone distraction according to the present invention and a cylinder portion of the continuous bone distraction device using the same.

As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It is to be understood that the present invention means that there is a part or a combination thereof, and does not exclude the possibility of the presence or addition of one or more other features or numbers, step operations, components, parts or combinations thereof.

Hereinafter, a cylinder for continuous bone distraction and a continuous bone distraction device using the same will be described in detail with reference to the drawings. Here, the cylinder for continuous bone distraction and the continuous bone distraction device using the same can be variously applied to distract bones of a human or animal, and also applied to a human skull so that the skull It may be provided to prevent the formation of a malformation.

Referring to FIG. 1, a cylinder for continuous bone stretching is formed of a plurality of cylinders 110a, 110b and 110c having different cross-sectional areas and a central portion 115, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area. The central portion 115 is inserted into the cylinder 110c having the smallest cross-sectional area and is coupled to the central portion 115 in a state where watertightness is maintained so that the cylinder 110c having the smallest cross-sectional area is movable. One side of the (110a, 110b, 110c) includes a cylinder portion 110, the semi-permeable membrane 200 is formed.

Here, the cylinder portion 110 is provided in pairs and disposed on opposite sides of the central portion 115, and each cylinder from the cylinder 110a having the maximum cross-sectional area of the liquid outside the cylinder through the semi-permeable membrane 200. Sequentially introduced into the (110a, 110b, 110c), each cylinder (110a, 110b, 110c) from the cylinder (110a) having the largest cross-sectional area can be moved in a direction away from the center (115).

The dictionary meaning of water-tightness means a property that a structure or material prevents the penetration, absorption, and permeation of water, but in the present specification, it means a property that prevents penetration, absorption, and permeation of not only water but also a body fluid or a solution. .

Referring to FIG. 2, a bone distraction device using a cylinder for continuous bone distraction is formed of a plurality of cylinders 110a, 110b, 110c and a center 115 having different cross-sectional areas, and a cylinder having a small cross-sectional area is a cylinder having a large cross-sectional area. Is inserted into the central portion 115 is inserted into the cylinder (110c) having the smallest cross-sectional area in the state that the water tightness is maintained in the central portion (115) so that the cylinder (110c) having the smallest cross-sectional area is movable Coupled to, one side of each cylinder (110a, 110b, 110c) includes a cylinder portion 110 is formed a semi-permeable membrane 200.

Here, the cylinder portion 110 is provided in pairs and disposed on opposite sides of the central portion 115.

On the other hand, the continuous bone distraction device using a cylinder for continuous bone distraction accommodates the pair of cylinder portion 110 and the body portion 310 is coupled to both bone 10, respectively, and the body portion 310 Is coupled to both sides of the stretchable, extends in conjunction with the moving cylinder portion 110, and includes a housing 300 having a support portion 320 in contact with the bottom surface of the cylinder portion (110).

In addition, the liquid outside the cylinder is sequentially introduced into the cylinders 110a, 110b, and 110c having the maximum cross-sectional area through the semi-permeable membrane 200, respectively, from the cylinders 110a having the maximum cross-sectional area. The cylinders 110a, 110b, and 110c are sequentially moved in the direction of the bone 10 from the central portion 115, and the cylinder portion 110 further includes both bones 10 spaced through the body portion 310. Pressurized to be spaced apart.

Referring to FIG. 3, a continuous bone distraction device using a cylinder for continuous bone distraction is formed of a plurality of cylinders 110a, 110b and 110c having different cross-sectional areas and a central portion 115, and a cylinder having a small cross-sectional area has a large cross-sectional area. Is inserted into the center, the center 115 is inserted into the cylinder (110c) having a minimum cross-sectional area is a state in which the water tightness is maintained in the center (115) so that the cylinder (110c) having a minimum cross-sectional area is movable Is coupled to, one side of each of the cylinder (110a, 110b, 110c) includes a cylinder portion 110 is formed a semi-permeable membrane (200).

Here, the cylinder portion 110 is provided in pairs and disposed on opposite sides of the central portion 115.

On the other hand, the continuous bone distraction device using a cylinder for continuous bone distraction is spaced above the two bones 10 spaced apart to receive the body portion 310 to receive the pair of cylinder portion 110 and the body portion ( 310 includes a housing 300 having leg portions 340 respectively coupled to the lower and spaced apart bone 10.

Here, the liquid outside the cylinder is sequentially introduced into the cylinders 110a, 110b, and 110c having the maximum cross-sectional area through the semi-permeable membrane 200, respectively, from the cylinders 110a having the maximum cross-sectional area. The cylinders 110a, 110b, and 110c are sequentially moved in the direction of the bone 10 from the central portion 115, and the cylinder portion 110 presses the leg portion 340 through the body portion 310. The leg part 340 may be pressed to move the bones 10 spaced apart while being moved in conjunction with each of the cylinders 110a, 110b, and 110c to be moved.

Hereinafter, a cylinder for continuous bone distraction and a continuous bone distraction device using the same will be described in detail with reference to the accompanying drawings. Here, three cylinders 110a, 110b and 110c are shown in FIGS. 1 to 6. However, this is only one example and the number of cylinders may be two or more. This will be described below.

1 to 6, the cylinder part 110 is formed of a plurality of cylinders 110a, 110b, and 110c having different cross-sectional areas. Here, a cylinder having a small cross sectional area is provided to be movable inside the cylinder having a relatively large cross sectional area. In this case, each cylinder is joined in the state in which watertightness was maintained.

On the other hand, each cylinder (110a, 110b, 110c) forming the cylinder portion 110 is formed to be movable, such as a folding fishing rod, for example. That is, when liquid is introduced into the cylinders 110a, 110b, and 110c as described below, each of the cylinders 110a, 110b, and 110c is sequentially moved away from the center portion 115 by receiving a force. Preferably the cylinders (110a, 110b, 110c) are moved in the direction of the bone 10 to press the bone 10, thereby, the bone 10 can be spaced apart.

The semi-permeable membrane 200 is formed at one side of the cylinder part 110, and the liquid may be introduced into the respective cylinders 110a, 110b, and 110c through the semi-permeable membrane 200. Here, the semi-permeable membrane 200 refers to a membrane that allows some components of the mixture, such as a solution, to pass through but not other components. In addition, the semi-permeable membrane 200 may be formed in plural on one side of the cylinder part 110.

Liquid is introduced into the cylinders 110a, 110b, and 110c through the semi-permeable membrane 200 formed on one side of each of the cylinders 110a, 110b, and 110c forming the cylinder part 110. Here, the liquid flowing into the cylinder (110a, 110b, 110c) can be provided in various ways, it is preferably provided as a body fluid.

That is, when the concentration of the body fluid is lower than the concentration of the solution inside the cylinder (110a, 110b, 110c) body fluid is introduced into the cylinder (110a, 110b, 110c) through the semi-permeable membrane 200 by the action of osmotic pressure. Here, the osmotic pressure refers to the pressure caused by the phenomenon that the solvent moves from the lower concentration of the solute to the higher concentration when two liquids having different concentrations are blocked by the semi-permeable membrane 200. It is well known that liquid and solution are used herein in the same sense, and that the solution consists of a solvent and a solute.

Here, a solution or a solute having a higher concentration than the body fluid may be filled in the cylinders 110a, 110b, and 110c so that the body fluid may be introduced into the cylinders 110a, 110b, and 110c by the action of osmotic pressure. As a result, the body fluid having a lower concentration than the solution or the solute inside the cylinders 110a, 110b and 110c flows into the cylinders 110a, 110b and 110c and acts as a driving force for moving the cylinders 110a, 110b and 110c.

That is, when a solution or solute having a higher concentration than body fluid is filled in the cylinders 110a, 110b, and 110c, the body fluid flows into the cylinders 110a, 110b, and 110c through the semipermeable membrane 200, and the cylinders 110a, The body fluid introduced into the 110b and 110c pressurizes the cylinders 110a, 110b and 110c to be movable in the direction of the bone 10.

On the other hand, since the cylinder portion 110 is formed of a plurality of cylinders (110a, 110b, 110c) may be filled with a solution having a higher concentration than the solution in the cylinder having a large cross-sectional area of the next highest rank in the cylinder having a small cross-sectional area. Alternatively, the solute may be filled in the cylinder having a smaller cross-sectional area than the solution in the cylinder having the next largest cross-sectional area.

That is, as shown in Fig. 1, the cylinder 110a having the largest cross-sectional area is filled with a solution or solute having a higher concentration than the body fluid, and the cylinder 110a having the largest cross-sectional area having the next highest cross-sectional area has a cylinder 110a having the maximum cross-sectional area. ) Is filled with a solution or solute that has a higher concentration than the solution.

Here, since the cylinders 110a, 110b, and 110c are provided in plural, each of the cylinders 110a, 110b, and 110c may be filled with a solution or a solute having a higher concentration from the cylinder having a larger cross-sectional area to the cylinder having a smaller cross-sectional area. As a result, the body fluid or the liquid mixed with the body fluid may flow into all the cylinders 110a, 110b, and 110c on which the semi-permeable membrane 200 is formed. By adjusting the concentration of the solution it is possible to adjust the degree of movement of each cylinder (110a, 110b, 110c).

However, each cylinder (110a, 110b, 110c) may be provided with a guard 400 formed to be removable, in order to block the contact of the semi-permeable membrane 200 and the solution.

Even if body fluid flows into the cylinder 110a having the largest cross-sectional area by the guard 400, body fluid does not flow into the cylinder 110b having the next largest cross-sectional area.

However, since the guard 400 is provided to be removable, the guard 400 has a maximum cross-sectional area and a semipermeable membrane 200 formed in the cylinder 110b having the next largest cross-sectional area after being removed by being pushed or removed. The solution present in the cylinder 110a may be contacted.

Here, the osmotic pressure is applied when the solution existing in the semi-permeable membrane 200 and the cylinder 110a having the largest cross-sectional area is in contact, whereby the liquid present in the cylinder 110a having the largest cross-sectional area has the next largest cross-sectional area. It is possible to flow into the cylinder (110b).

In the same manner as described above, the liquid present in each of the plurality of cylinders (110a, 110b, 110c) consisting of a plurality of can be sequentially introduced into the cylinder of the next order, and, thereby, each cylinder is a bone 10 It can be moved sequentially in the direction of.

In addition, in order to introduce the body fluid or the liquid mixed with the body fluid by osmotic pressure into the respective cylinders 110a, 110b, 110c, each cylinder 110a, 110b, 110c is located in a cylinder having the next largest cross-sectional area. It may be filled with a salinity substance that is higher in concentration than the solution.

On the other hand, the cylinder portion 110 and the central portion 115 may be provided in a pair, as shown in Figures 1 to 4, in this case, it is disposed on opposite sides of the central portion 115. Alternatively, two central portions 115 may be provided so that one side thereof is in contact with each other.

Alternatively, as illustrated in FIGS. 6A to 6C, one cylinder 110 may be provided. In this case, the cylinder 110a having the largest cross-sectional area may be spaced apart from both bones 10. ) And central portion 115 are coupled to the other of the two bones 10 spaced apart.

Here, when the body fluid or the solution mixed with the body fluid through the semi-permeable membrane 200 is sequentially introduced into each cylinder (110a, 110b, 110c) from the cylinder (110a) having a maximum cross-sectional area, the cylinder (110a) having a maximum cross-sectional area Each cylinder (110a, 110b, 110c) is sequentially moved in the direction of the bone 10 it is possible to press the two bones 10 to be further spaced apart.

That is, when the body fluid or the liquid mixed with the body fluid flows into the cylinder 110a having the maximum cross-sectional area, the cylinder 110a having the maximum cross-sectional area moves in the direction of the bone by the inflow pressure of the body fluid or the liquid mixed with the body fluid. Space the sheep apart.

Here, the body fluid introduced into the cylinder 110a having the largest cross-sectional area or the liquid mixed with the body fluid flows into the cylinder 110b having the next highest cross-sectional area, and the cylinder 110b having the next highest cross-sectional area is spaced apart while moving in the direction of the bone. Space the bones further apart.

In the same manner as described above, the cylinders 110a having the largest cross-sectional areas 110a, 110b, and 110c sequentially move in the direction of the bones to further space both bones 10.

On the other hand, after a cylinder having a relatively large cross-sectional area reaches both the spaced bones and starts to press both bones, the cylinder having the next smaller cross-sectional area may be provided to move in the direction of the spaced two bones.

Alternatively, a cylinder having a relatively large cross-sectional area may start to move to spaced two bones, but before reaching the spaced two bones, a cylinder having a smaller cross-sectional area of next order may be provided to move in the direction of spaced two bones. Even in this case, the cylinders 110a, 110b, and 110c sequentially move in the order of the cylinders 110a having the largest cross-sectional area and the cylinders 110b having the next highest cross-sectional area in the direction of both bones spaced apart.

When the cylinder unit 110 is formed as one, the fluid or a mixture of the body fluids is introduced into the cylinders 110a, 110b, and 110c through the semi-permeable membrane 200, through which the cylinders 110a, 110b, and 110c are bones ( Each of the bones 10 moved in the direction of 10) and spaced apart from each other. Here, the central portion 115 is to press the other side of the two bones 10 spaced apart by the reaction of the force to press one side of the two bones 10 spaced cylinder.

On the other hand, when formed with one cylinder portion 110, the structure in which the cylinder portion 110 is accommodated in the housing 300 is the same as the form in which the pair of cylinder portion 110 is accommodated in the housing 300 Do.

As shown in FIG. 1, the cylinder part 110 may be formed such that a pair of cylinders 110a having a maximum cross-sectional area are directly fixed to each of the two bones 10 spaced apart from each other. In this case, the body fluid flows into the cylinder 110a having the largest cross-sectional area and directly presses the spaced apart bones 10, and is mixed with the body fluid in each of the cylinders 110a, 110b, and 110c having the next largest cross-sectional area. Liquid is introduced to sequentially move the respective cylinders 110a, 110b, 110c in the direction of the bone 10.

In addition, the cylinder unit 110 may be accommodated in the housing 300, as shown in FIG. Here, the housing 300 is composed of a body portion 310 for receiving a pair of cylinder portion 110 and the support portion 320 is elastically coupled to both sides of the body portion 310.

On the other hand, the body portion 310 is formed to receive a pair of cylinder portion 110 and are coupled to both bone 10, respectively. Here, the cylinder 110a having the maximum cross-sectional area is coupled to the body portion 310.

Here, when the cylinder portion 110 is moved in the direction of the bone 10, the body portion 310 is pressed, whereby the body portion 310 respectively coupled to both bone 10 is positive Each of the bones 10 is pressurized so that both bones 10 are further spaced apart.

Here, the housing 300 may include a cover portion 330 coupled to an upper side of the body portion 310 and having at least one opening 335. When the housing 300 has the cover part 330, body fluid or liquid may be introduced into the cylinder part 110 through the opening 335 formed in the cover part 330.

In addition, the cylinder 110 is provided in a pair, as shown in Figure 3 may be accommodated in the housing 300 having a body 310 and the leg 340. Here, the cylinder 110a having the maximum cross-sectional area is coupled to the body portion 310.

Referring to FIG. 2, the housing 300 accommodates the pair of cylinder portions 110 and is coupled to both bone portions 10, respectively, and on both sides of each of the body portions 310. It is composed of a support portion 320 which extends in conjunction with the cylinder portion 110 that is coupled and moved to be stretchable and in contact with the bottom surface of the cylinder portion 110.

In addition, the housing 300 may include a cover part 330 coupled to an upper side of each of the body parts 310 and having at least one opening 335.

Here, the body portion 310 is coupled to the spaced both bone 10 and the cylinder (110a) having the maximum cross-sectional area, when the cylinder portion 110 moves in the direction of the bone 10, the cylinder In contact with the portion 110 to press both bones 10, respectively. Thereby, the two bones 10 spaced apart further.

The body portion 310 may be provided in various shapes. That is, as shown in Figure 2 or 3, the cross-sectional shape is formed in the "b" shape can be coupled to the support 320, or the cross-sectional shape is formed in the "l" shape to support the May be coupled to the unit 320. However, the shape of the body portion 310 is not limited thereto.

The support 320 is elastically coupled to both sides of each of the body portion 310. That is, when the cylinder unit 110 moves, the cylinder unit 110 extends in conjunction with the movement of the cylinder unit 110 so that the movement of the cylinder unit 110 may be smoothly performed.

The support part 320 may be formed in various structures. That is, as shown in Figure 2, it may be formed in a corrugated structure can be formed to stretch.

Alternatively, as shown in FIG. 4, the support 320 may be formed in a telescope structure. Here, a telescope means a telescope, and a telescope structure means a structure in which a member having a different diameter is inserted into a member having a large diameter and is movable.

That is, the relatively small diameter supporting portion a (323) is inserted into the relatively large diameter supporting portion b (325) is movable (see Fig. 4), where the supporting portion a (323) and the supporting portion b ( The movement of the 325 may be provided in a sliding manner.

As a result, when the support part 320 is provided in a telescope structure, the cylinder part 110 is movable in association with the moving part.

On the other hand, the support portion 320 is in contact with the bottom surface of the cylinder portion 110, and serves to support by supporting the cylinder portion 110 is not deformed or moved in the downward direction by the gravity action.

2 and 6 (b), the cover part 330 is coupled to an upper side of each of the body parts 310 and is formed to have at least one opening 335. Here, the opening 335 may be formed with one large opening, or may be formed by distributing several small openings.

Here, the cover part 330 constitutes a part of the housing 300 and is provided to protect the cylinder part 110.

On the other hand, the cover part 330 is formed to be stretchable because it must be able to extend in conjunction with the movement of the cylinder (110a, 110b, 110c). That is, the cover portion 330 may be provided in a corrugated structure or a telescope structure as described above in the support portion 320, the operation principle is the same as described above.

In addition, at least one opening 335 may be formed in the cover part 330, and body fluid or liquid may be introduced into the cylinder part 110 through the opening 335. Here, the opening 335 may be formed in the support part 320 as well as the cover part 330.

Referring to FIG. 3, the housing 300 is disposed above both bones 10, and includes a body portion 310 accommodating the pair of cylinder portions 110, and an amount spaced below and spaced from the body portion 310. It is composed of legs 340 are respectively coupled to the bone (10).

Here, the foot portion 340 or the body portion 310 is coupled to each other elastically, extends in conjunction with the moving cylinder portion 110, the base is in contact with the bottom surface of the cylinder portion 110 The unit 320 may further include.

On the other hand, the body portion 310 is coupled to the cylinder (110a) having the maximum cross-sectional area, the body portion 310 when the cylinder portion 110 is moved in the direction to separate the bone 10, the body portion 310 Pressing both bones 10 through the leg portion 340 coupled with each. Thereby, the two bones 10 spaced apart further.

The leg portion 340 is coupled to both the lower and spaced apart bone 10 of the body portion 310, respectively. In this case, the body portion 310 can be disposed above the two bones 10 spaced apart.

Here, when the procedure through the separation of both bone 10 is to be removed to remove the cylinder portion 110, the cylinder portion 110 is disposed between the two bone 10 spaced apart between both bone 10 It is easier to remove than the cylinder portion 110 is inserted into the arrangement.

That is, when the cylinder portion 110 is inserted between the two bones 10, the entire cylinder portion 110 must be removed from between the bones 10, respectively, but the leg portion 340 in the housing 300 If formed, the cylinder 110 is not inserted between the two bones 10 is disposed on the upper side is easier to remove than the inserted arrangement.

Here, after removing the cylinder portion 110 disposed on both sides of the bone 10, only the housing 300 or if the housing 300 is formed of a melting material will be removed by melting.

On the other hand, the leg portion 340 may be formed in various ways. That is, it may be formed in the same shape as the cross-sectional shape of the bone 10 is coupled to the leg 340. However, in this case, since the leg part 340 covers all the bones 10, the bone 10 coupled with the leg part 340 is not exposed to the outside, and is blocked by the leg part 340. The new bone 10 may not grow through the leg 340.

Here, as shown in FIG. 3, the leg part 340 connects the plurality of first members 343 spaced apart in the lateral direction and the first member 343 above the first member 343. It may be formed of a second member 345. At this time, the new bone 10 may grow through the empty space formed between the first member 343, and the newly grown bone 10 may fill the space between the two bones 10 spaced apart from each other.

On the other hand, the upper side of the first member 343 is connected to the second member 345, the second member 345 is connected to the body portion 310. However, there is no member connected to the lower side of the first member 343, which is for easily removing the housing 300.

That is, when the housing 300 including the body portion 310 and the leg portion 340 is removed after the procedure, the bone 10 and the leg portion 340 are released from the coupling. The housing 300 may be removed by lifting the body 310. At this time, since the lower side of the first member 343 does not have a member to be connected, it is not caught by the bone 10, and thus the housing 300 can be easily removed.

In addition, as shown in FIG. 3, the housing 300 is elastically coupled to both sides of the leg part 340 or the body part 310 and has a support part 320 contacting the bottom surface of the cylinder. It may be further included. Here, since the support portion 320 is the same function and shape as the support portion 320 in FIG. 2 and the description thereof will be omitted.

Here, the cylinder (110a, 110b, 110c) and the housing 300 is formed of a fusible material can be removed by melting, the fusible material is mixed by PLA (Poly Lactic Acid) and PGA (Poly Glycolic Acid) Can be formed.

Here, for the fusible materials PLA (Poly Lactic Acid) and PGA (Poly Glycolic Acid), the paper (International Urogynecology Journal 2007: Int Urogynecol J (2007) 18: 1007-1014, DOI 10.1007 / s00192-006-0270-z The results of the study are described.

That is, according to the mixing ratio of PLA (Poly Lactic Acid) and PGA (Poly Glycolic Acid), it is possible to differently adjust the period of absorption by the human body. As a result, the cylinders 110a, 110b, and 110c and the housing 300 may be prepared to melt and be removed.

On the other hand, if the cylinder (110a, 110b, 110c) and the housing 300 is melted and disappeared, there is no need to revisit to remove it, there is no need to revisit the hospital, such as a hospital, thereby consuming time or money Can be reduced.

Referring to FIG. 5, the guard 400 seals the semipermeable membrane 200 to block contact between the semipermeable membrane 200 and the solution, but is formed to be removable. Here, the guard 400 is a structure for sealing the semi-permeable membrane 200 so that the liquid can be sequentially introduced from the cylinder having a large cross-sectional area to the cylinder having a small cross-sectional area.

That is, when the body fluid flows into the cylinder 110a having the largest cross-sectional area, the semi-permeable membrane 200 formed in each of the cylinders 110b and 110c may be in contact with the body fluid or the solution mixed with the body fluid by the guard 400. And therefore, the body fluid or mixed solution does not move to the other cylinders 110b and 110c.

Here, when the cylinder 110a having the largest cross-sectional area moves, the guard removing unit 500 formed in the cylinder 110a having the largest cross-sectional area may remove the guard 400. Alternatively, the guard 400 may be removed by melting.

As a result, the semipermeable membrane 200 formed in the cylinder 110b having the next highest cross-sectional area becomes contactable with the body fluid or the solution mixed with the body fluid existing in the cylinder 110a having the largest cross-sectional area.

Here, the body fluid present in the cylinder 110a having the largest cross-sectional area or the liquid mixed with the body fluid flows into the cylinder 110b having the next highest cross-sectional area through the semipermeable membrane 200 formed in the cylinder 110b having the next highest cross-sectional area. As a result, the cylinder 110b having the next highest cross-sectional area is also movable in the direction of the bone 10.

The guard 400 may be removed by melting and providing a fusible material. The fusible material may be formed by mixing PLA (Poly Lactic Acid) and PGA (Poly Glycolic Acid) as described above.

That is, according to the mixing ratio of PLA (Poly Lactic Acid) and PGA (Poly Glycolic Acid), it is possible to differently adjust the period of absorption by the human body. Thereby, the guard 400 for protecting the semi-permeable membrane 200 may be provided to be removed by melting.

In addition, when the plurality of semi-permeable membranes 200 are provided, the guards 400 may be provided in plural on one side of the cylinder part 110.

On the other hand, the function and action of the guard 400 and the guard removal unit 500 can be equally applied to the other cylinder (110b, 110c) formed in plurality.

5 (a) to 5 (c), the guard removing unit 500 may be formed on one side of each cylinder (110a, 110b, 110c), the next order when the cylinder having a large cross-sectional area is moved It is removable by pushing the guard 400 formed in the cylinder. Thereby, the solution mixed with the body fluid which exists in the cylinder which has a large cross-sectional area can contact the semi-permeable membrane 200 of the next order cylinder.

In addition, the guard removal unit 500 may be provided in plurality on one side of the cylinder portion (110).

First Embodiment

Hereinafter, an embodiment of a cylinder for continuous bone distraction having the above-described structure and a continuous bone distraction device using the same will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 1, a cylinder for continuous bone distraction and a continuous bone distraction device using the same are formed of a plurality of cylinders 110a, 110b, 110c and a central portion 115 having different cross sections, and A small cylinder is inserted into the cylinder having a large cross-sectional area, and the central portion 115 is inserted into the cylinder 110c having the smallest cross-sectional area and coupled to the central portion 115 so that the cylinder 110c having the smallest cross-sectional area is movable. On one side of each of the cylinder (110a, 110b, 110c) includes a cylinder portion 110 is formed with a semi-permeable membrane 200, the cylinder portion 110 is provided in pairs on opposite sides of the central portion 115 The liquid outside the cylinder is sequentially introduced into the cylinders 110a, 110b, and 110c having the largest cross-sectional area through the semi-permeable membrane 200, respectively. Cylinder of the (110a, 110b, 110c) that has a cylinder for bone distraction being moved sequentially in a direction away from the center 115.

Here, the pair of cylinders 110a having the largest cross-sectional area are respectively coupled to the spaced apart bones 10.

Next, a solution or a salty substance having a higher concentration than the body fluid is filled in the cylinder 110a having the largest cross-sectional area, and the body fluid is formed through the semi-permeable membrane 200 formed at one side of the cylinder 110a having the maximum cross-sectional area. It is introduced into the cylinder (110a) having the maximum cross-sectional area.

Next, when the body fluid flows into the cylinder 110a having the largest cross-sectional area, the cylinder 110a having the maximum cross-sectional area is pressurized in the direction of the bone 10, thereby pressing both spaced apart bones 10. Further apart.

Next, when the cylinder 110a having the largest cross-sectional area is moved while spaced apart from the bone 10, as shown in FIG. 5, the guard removing unit 500 protruding from one side of the cylinder 110a having the maximum cross-sectional area is shown. ) Removes the guard 400 formed in the cylinder (110b) having the next largest cross-sectional area.

Next, the semipermeable membrane 200 formed in the cylinder 110b having the next largest cross-sectional area where the guard 400 is removed is in contact with a body fluid or a solution mixed with the body fluid existing in the cylinder 110a having the maximum cross-sectional area. Through the semi-permeable membrane 200, the body fluid or the liquid mixed with the body fluid flows into the cylinder 110b having the next largest cross-sectional area.

Next, the cylinder 110b having the next largest cross-sectional area is also pressured by the inflow of the body fluid or the liquid mixed with the body fluid, and thereby presses both bones 10 moved in the direction of the bone 10 and spaced apart. Further apart.

Next, the fluid mixed with the body fluid or the body fluid is sequentially introduced from the cylinder 110a having the maximum cross-sectional area among the plurality of cylinders 110a, 110b, and 110c provided in the same manner as described above, thereby increasing the maximum cross-sectional area. Branch cylinder (110a) to each of the cylinder (110a, 110b, 110c) is moved in the direction of the bone 10 in order to press both bones 10 are further spaced apart.

Second Embodiment

Hereinafter, with reference to the drawings will be described in detail another embodiment of a cylinder for continuous bone distraction having the above-described structure and a continuous bone distraction device using the same.

First, referring to FIG. 2, the cylinder for continuous bone distraction and the continuous bone distraction device using the same have the same cylinder portion 110 as the above-described structure, and also the cylinders 110a, 110b and 110c. Since the operation process of is the same as the first embodiment described above, a description thereof will be omitted here.

However, one of the differences from the first embodiment is that in the case of the first embodiment, a pair of cylinders 110a having a maximum cross-sectional area are directly coupled to each of the bones 10 and pressurized. In this case, the pair of cylinders (110a) having a maximum cross-sectional area is coupled to the body portion 310 coupled to each of the two bones 10 to press the form.

In addition, the cylinder for continuous bone distraction according to the present invention and the continuous bone distraction device using the same includes a housing 300, the housing 300 accommodates the pair of cylinder portion 110 and both bone 10 The body portion 310 is coupled to each of the), and is elastically coupled to both sides of each of the body portion 310, extends in conjunction with the moving cylinder portion 110, the bottom surface of the cylinder portion 110 It consists of a supporting portion 320 in contact with.

In addition, the housing 300 may include a cover part 330 coupled to an upper side of each of the body parts 310 and having at least one opening 335.

Next, as described above, when the cylinder portion 110 is sequentially moved to press the two bones 10 spaced apart through the body portion 310 to further space, the support portion 320 is stretchable It is provided to extend in conjunction with the cylinder portion 110. In addition, the support part 320 functions to support the cylinder part 110.

Next, an upper portion of each of the body parts 310 may include a cover part 330 that is elastically coupled, and extends in association with the cylinder part 110 when the cylinder part 110 is moved. Here, the cover part 330 is provided with at least one opening 335 to allow the body fluid to flow into the cylinder part 110.

Third Embodiment

Hereinafter, another embodiment of a cylinder for continuous bone distraction having the above-described structure and a continuous bone distraction device using the same will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 3, the cylinder for continuous bone distraction and the continuous bone distraction device using the same have the same cylinder portion 110 as the above-described structure, and also the cylinders 110a, 110b and 110c. Since the operation process of is the same as the second embodiment described above, a description thereof will be omitted here.

However, one of the differences from the second embodiment is that in the second embodiment, a pair of cylinders 110a having a maximum cross-sectional area are coupled to and pressurized by the body portions 310 respectively coupled to both bones 10. Body 310 is a form for pressing both bones 10, respectively.

However, in the third embodiment, a pair of cylinders 110a having a maximum cross-sectional area are coupled to and pressurized by the body portion 310, and the body portion 310 is respectively coupled to the two bones 10 spaced apart from each other. 340 is coupled to the leg portion 340 is a form that presses both bones 10, respectively.

In addition, the cylinder for continuous bone distraction according to the present invention and the continuous bone distraction device using the same includes a housing 300, the housing 300 is disposed on both bone 10 above the pair of cylinders 110 The body portion 310 to receive a), and one side is coupled to the lower side of the body portion 310 and the other side is composed of leg portions 340 are respectively coupled to the bone 10 spaced apart.

Here, the supporting portion is extended in conjunction with the cylinder portion 110 which is coupled and moved to the sides of each of the leg portion 340 or the body portion 310 stretchable, the contact portion in contact with the bottom surface of the cylinder portion 110 320 may be further included.

Next, the body portion 310 is coupled to the cylinder (110a) having the maximum cross-sectional area, the body portion 310 when the cylinder portion 110 is moved in the direction to separate the bone 10, the body portion 310 Pressing both bones 10 through the leg portion 340 coupled with each. Thereby, the two bones 10 spaced apart further.

In addition, the support part 320 is provided to be stretchable and extends in conjunction with the cylinder part 110. In addition, the support part 320 functions to support the cylinder part 110.

Fourth Embodiment

Hereinafter, another embodiment of a cylinder for continuous bone distraction having the above-described structure and a continuous bone distraction device using the same will be described in detail with reference to the accompanying drawings.

First, referring to FIGS. 6 (a) to 6 (c), a cylinder for continuous bone distraction and a continuous bone distraction device using the same according to the present invention include a plurality of cylinders 110a, 110b, 110c having different cross-sectional areas, and a central portion. A cylinder having a small cross section is inserted into the cylinder having a large cross-sectional area, and the central portion 115 is inserted into the cylinder 110 c having a minimum cross-sectional area to move the cylinder 110 c having a minimum cross-sectional area. It is coupled to the central portion 115 so that one side of each cylinder (110a, 110b, 110c) includes a cylinder portion 110 is formed a semi-permeable membrane (200).

Here, the operation process of the cylinder (110a, 110b, 110c) is the same as the first to third embodiments described above, so description thereof is omitted here. However, one of the differences from the first to third embodiments is that in the case of the fourth embodiment, the cylinder portion 110 is provided as one, but in the case of the first to third embodiments, a pair of cylinder portions ( 110).

Further, in the first to third embodiments, a pair of cylinders 110a having a maximum cross-sectional area are connected to each of the two bones 10 spaced apart to further space both bones 10, but the fourth embodiment In the case of the example, there is a difference in that the cylinder 110a having the largest cross-sectional area and the central portion 115 are connected to each of the two bones 10 spaced apart to further space the bones 10.

On the other hand, in the fourth embodiment shown in Figure 6 (a) to Figure 6 (c), not only the cylinder portion 110 but also the configuration and function of the housing 300, the guard 400, the guard removal unit 500 Since the first embodiment to the third embodiment are the same as those described above, the description is omitted here.

The embodiments and drawings attached to this specification are merely to clearly show some of the technical ideas included in the present invention, and those skilled in the art can easily infer within the scope of the technical ideas included in the specification and drawings of the present invention. Modifications that can be made and specific embodiments will be apparent that all fall within the scope of the present invention.

10: bone 110: cylinder portion
110a: cylinder having the largest cross-sectional area 110b: cylinder having the next highest cross-sectional area
110c: cylinder with minimum cross-sectional area 115: center
200: semi-permeable membrane 300: housing
310: body portion 320: support portion
323: support portion a 325: support portion b
330: cover 335: opening
340: leg portion 343: first member
345: second member 400: guard
500: guard removal unit

Claims (13)

A plurality of cylinders having different cross-sectional areas and a central portion are formed, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area, and the central portion is inserted into a cylinder having a minimum cross-sectional area so that the cylinder having a minimum cross-sectional area is movable. Is coupled, one side of each cylinder is formed with a semi-permeable membrane, the inside includes a cylinder portion filled with a higher concentration of liquid than the liquid outside the cylinder,
The cylinder portion is provided in pairs and disposed on opposite sides of the central portion,
Through the semi-permeable membrane, the liquid outside the cylinder is sequentially introduced into each cylinder from the cylinder having the largest cross-sectional area, and each cylinder is sequentially moved away from the center from the cylinder having the largest cross-sectional area. For the cylinder. In the bone distraction device,
A cylinder unit according to claim 1;
A body part accommodating the pair of cylinder parts and respectively coupled to both bones, elastically coupled to both sides of each of the body parts, extending in association with the moving cylinder part, and being in contact with the bottom surface of the cylinder part; Continuous bone distraction device using a cylinder for bone distraction, characterized in that it comprises a housing having a portion. In the bone distraction device,
A cylinder unit according to claim 1;
A housing having a body portion spaced apart from each other spaced above the bone and accommodating the pair of cylinder portions, and a leg portion coupled to the lower portion of the body portion and to both bone spaced apart;
When the cylinder portion is sequentially moved in the direction of the bone, the cylinder portion is to press the leg portion through the body portion, the leg portion is moved in conjunction with each cylinder to be moved to press the two bones further spaced apart Continuous bone distraction device using a cylinder for bone distraction, characterized in that. The method according to claim 2 or 3,
A continuous bone distraction device using a cylinder for bone distraction, wherein a cylinder having a small cross-sectional area is filled with a liquid having a higher concentration than a liquid in a cylinder having a next largest cross-sectional area. The method according to claim 2 or 3,
The cylinder is a continuous bone distraction device using a cylinder for bone distraction, characterized in that the semi-permeable membrane is sealed to block the contact between the semi-permeable membrane and the solution, it is formed to be removable. The method of claim 5,
Each side of the cylinder is further provided with a protruding guard removal portion,
When the cylinder having a large cross-sectional area is moved, the guard removing unit pushes out the guard formed in the cylinder having a next-order cross-sectional area, and the cylinder having a next-order cross-sectional area has a lower concentration than the concentration of liquid filled in each cylinder through the semipermeable membrane. Continuous bone distraction device using a cylinder for bone distraction, characterized in that moved to the bone when the external liquid is introduced. The method of claim 5,
The guard is a continuous bone distraction device using a cylinder for bone distraction, characterized in that provided by a fusible material. The method according to claim 2 or 3,
The cylinder and the housing is a continuous bone distraction device using a cylinder for bone distraction, characterized in that formed of a fusible material. The method of claim 3,
Is coupled to both sides of the leg portion or the body portion is elastically coupled, continuous bone distraction device using a cylinder for bone stretching, characterized in that it further comprises a support portion in contact with the bottom surface of the cylinder portion. 10. The method according to claim 2 or 9,
A continuous bone distraction device using a cylinder for bone distraction, characterized in that the flexible support is formed of a corrugated structure or telescope (telescope) structure. The method of claim 2,
The housing is coupled to the upper side of each of the body portion respectively coupled to both bones, the continuous bone distraction device using a cylinder for bone distraction, characterized in that it further comprises a cover portion having at least one opening. The method of claim 3,
The leg portion is a continuous bone distraction device using a cylinder for bone distraction, characterized in that formed by a plurality of first members spaced apart in the lateral direction and a second member connecting the first member on the upper side of the first member. A plurality of cylinders having different cross-sectional areas and a central portion are formed, and a cylinder having a small cross-sectional area is inserted into a cylinder having a large cross-sectional area, and the central portion is inserted into a cylinder having a minimum cross-sectional area so that the cylinder having a minimum cross-sectional area is movable. Is coupled, one side of each cylinder is formed with a semi-permeable membrane, the inside includes a cylinder portion filled with a higher concentration of liquid than the liquid outside the cylinder,
Through the semi-permeable membrane, the liquid outside the cylinder is sequentially introduced into each cylinder from the cylinder having the largest cross-sectional area, and each cylinder is sequentially moved away from the center from the cylinder having the largest cross-sectional area. For the cylinder.

Images