WO2007129934A1

WO2007129934A1 - Device for reproducing and forming an arthro-medullary link, sampling bone fat and for intraarticularly introducing ingredients for treating a damaged joint

Info

Publication number: WO2007129934A1
Application number: PCT/RU2007/000221
Authority: WO
Inventors: Nikolai Sviridovich Gavryushenko; Valery Georgievich Bulgakov
Original assignee: Gavryushenko Nikolai Sviridovi; Valery Georgievich Bulgakov
Priority date: 2006-05-04
Filing date: 2007-05-03
Publication date: 2007-11-15
Also published as: RU2329775C2; EA200802283A1; EA014829B1; RU2006114990A

Abstract

he invention relates to such medical fields as traumatology and orthopedics and can be used for endoprosthesis replacement and for treating traumotologic, orthopedic and reumatological patients. The inventive device for reproducing and forming an arthro-medullary link, sampling a bone fat and for intraarticularly introducing ingredients for treating a damaged joint is embodied in such a way that it is canulated and comprises a through channel provided with input and output openings. The channel envelop is provided with threaded elements and perforation holes. The surface of the envelope can be structured. The envelop is embodied in such a way that a gasket, a plug for the input and output openings of the through channel or a cap can be connected thereto. The plug is embodied in such a way that the length thereof is fixed or modifiable and is provided with a tapping thread. The cap is embodied in such a way that it makes it possible to control a liquid flow. The gasket is used for sealing a hole in a bone tissue and fixes the connection to the plug or the cap. One of the ends of the envelop of the through channel is provided with a unit for a tool and is threaded. The thread is compatible with the thread of the plug or the cap.

Description

DEVICE FOR RESTORATION AND CREATION

ARTHROMEDULAR COMMUNICATION, BONE FAT SELECTION,

Intraarticular Injection of Ingredients for Treatment

Affected Joints

APPLICATION AREA

The invention relates to such fields of medicine as traumatology and orthopedics, and molset can be used in arthroplasty, as well as in the treatment of traumatological, orthopedic and rheumatological patients.

BACKGROUND OF THE INVENTION

Known endoprosthesis of the hip joint I.A. Movshovich - N.S. Gavryushenko [1], containing the acetabular and femoral component with a channel having one outlet on the endoprosthesis head, characterized in that in order to increase durability and ensure fixation of the leg due to a decrease in bone pressure, the femoral component channel is made through, and its other outlet the hole is located at the distal end of the femoral component.

However, the disadvantages of prosthetics, such as the various consequences of introducing a foreign body into the body, the complexity and high cost of such operations, the length of the recovery period, the need for repeated surgical intervention when replacing endoprostheses after a certain period of time, the complexity of manufacturing such devices, a combination of psychological and aesthetic factors accompanying such operations, prompting the search for alternative solutions aimed at maximizing and use primarily natural resources of the body of the patient, to seek opportunities for minimally invasive, to reduce the cost of operations, to increase accessibility and expand the application of alternative solutions arthroplasty.

The technical result, the achievement of which the invention is directed, is the creation of such a device, which would be cannulated, allowing the restoration and creation of arthromedullary communication, selection of bone fat, intraarticular injection

SUBSTITUTE SHEET (RULE 26) ingredients for the treatment of affected joints, would ensure the maximum use of the patient’s body resources, would minimize surgical intervention, reduce the cost of operations while increasing their availability, and expand the possibilities for treating joint diseases, including those that are widespread, would reduce the negative psychological consequences of postoperative period, would shorten the postoperative period of restoration of function of the affected joints

SUMMARY OF THE INVENTION

The technical result is achieved by the fact that a device for restoring and creating arthromedullary communication, bone fat selection, intraarticular injection of ingredients for the treatment of affected joints, made cannulated, including a through channel with inlet and outlet openings, the shell of which is provided with threaded elements and perforations, with possible attaching a plug for the inlet or outlet of the through channel, made with adjustable or fixed length, with a samonar with a cutting thread, or a cap made with the possibility of regulating the fluid flow, as well as a gasket sealing the hole in the bone tissue and fixing the connection with the plug or cap, while one of the ends of the through channel shell is equipped with a tool holder and a thread compatible with the plug thread or cap, the surface of the shell may be structured.

Figure l presents a generalized diagram of a device for restoring and creating arthromedullary communication, selection of bone fat, intra-articular injection of ingredients for the treatment of affected joints,

A device for restoring and creating an arthromedullary connection, bone fat selection, intraarticular injection of ingredients for the treatment of affected joints, made by cannulated, including a through channel 1 with input 2 and output 3 holes, the shell 4 of which is provided with threaded elements 5 and perforations 6, with possible attachment plugs 7 for the inlet or outlet of the through channel made with adjustable or fixed length, with a self-tapping thread, or cap 8 made with POSSIBILITY fluid flow control 9 and pad 10, sealing the hole in the bone tissue and the fixation compound

SUBSTITUTE SHEET (RULE 26) with a plug or cap, while one of the ends of the through channel shell is provided with a tool holder 11, and a thread 12 compatible with the thread 13 of the plug or cap, the shell surface 14 may be structured. A device for restoring and creating an arthromedullary connection, bone fat selection, intraarticular injection of ingredients for the treatment of affected joints is made cannulated and includes a through channel 1 with input 2 and output 3 holes, the sheath 4 of which is made of materials used in orthopedics. The shell is equipped with threaded elements 5, which can be applied both from the external and internal sides and perforations 6 of various shapes and configurations. The plug 7 for the inlet or outlet can be made with both adjustable and fixed lengths, depending on the size of the bone tissue into which the cannulated device is inserted. The plug can be made with a thread 13, which is compatible with both the thread of the sheath 4 and the thread of the cap 8. The cap 8 can be configured to control the flow of liquid 9, that is, have a through hole. Moreover, the flow of fluid 9 through the cap 8 may come from bone tissue, for example, if it is bone fat. Gasket 10, made of elastic polymeric materials used in orthopedics, is designed to seal the holes in the bone tissue and tightly fix the connection of the plug or cap with the shell of the through channel. In this case, one of the ends of the shell is equipped with a device for the tool 11, so that the device is screwed and fixed in the bone tissue. Since the surface of this end is provided with a thread 12 that is compatible with the thread 13 of the cap 8, then through a sealed gasket 10, which in diameter can be wider than the diameter of the plug 7 or the shell 4 of the through channel 1, the cap 8 is screwed onto the shell 4, and the plug 7 is screwed into the sheath 4. The surface 14 of the sheath 4 can be structured to create more friction in the bone tissue, which enhances the fixation of the device. The collapsible design of the proposed device allows the selection of elements for a particular embodiment of the device based on data such as, for example, the type of joint, joint parameters, the purpose of installation in bone tissue - this will depend, for example, on the types and sizes of elements included in the design a specific embodiment of the device, the number, size and configuration of perforations, types and sizes of threaded joints,

SUBSTITUTE SHEET (RULE 26) types and sizes of nests of fixtures for instruments with which the device is inserted into the bone tissue. The proposed device can be performed with a plug or with a cap, with a through hole in it or without a hole, and can also be performed without a plug and without a cap.

A device for restoring and creating arthromedullary communication, selection of bone fat, intra-articular introduction of ingredients for the treatment of affected joints, made by cannulated, is installed as follows. From a small skin incision through the muscles, bone tissue is accessed. Through a hole drilled in the cortical bone, a metal spoke is drawn with the risks applied to it, which serves as a guide for the drill and a measure of the depth of immersion. Under the control of an electron-optical transducer (EOP), the needle with its end must enter the articular space in such a way as not to damage the intra-articular ligaments and not to reach the loaded part of the articular surface. Using a cannulated drill, a canal of an appropriate diameter and length is prepared for introducing the device, which, under the control of the image intensifier tube, is screwed into the prepared bone canal due to external thread so that its articular end passes through the cartilage and does not rise above the surface of the articular cartilage. Additional control of the correct installation of the device may be biplanar radiographs and / or the introduction of radiopaque material into the joint space through the through channel of the device. Example 1:

A device for restoring and creating an arthromedullary connection, bone fat selection, intraarticular injection of ingredients for treating affected joints is made cannulated, and includes a through channel 1 with input 2 and output 3 holes, the shell 4 of which is provided with threaded elements 5 and perforations 6, a plug 7 for inlet 2 holes, with adjustable length, with self-cutting thread, gasket 10, a sealing hole in the bone tissue and a fixing connection with a plug, while one of the ends of the shell Turnkey nabzhen recess 11, the end provided with a thread 12 compatible with a threaded plug 13, the surface 14 of the shell is made structured.

SUBSTITUTE SHEET (RULE 26) When using a device of this modification, the plug 7 is screwed into the bone tissue through the internal thread until it stops, blocking the access of bone fat to the joint cavity.

Example 2:

A device for restoring and creating an arthromedullary connection, bone fat selection, intraarticular injection of ingredients for treating affected joints is made cannulated, and includes a through channel 1 with input 2 and output 3 holes, the shell 4 of which is equipped with threaded elements 5 and perforations 6, cap 8 configured to control fluid flow 9, i.e. with a through hole in it, a gasket 10, a sealing hole in the bone tissue and fixing the connection with the cap, while one of the ends of the shell is equipped with a tool 11, and a thread 12 compatible with the thread 13 of the cap, the surface 14 of the shell 4 is structured.

When using a device of this modification, the cap 8 is screwed through the internal thread onto the sheath 4 of the through channel 1 until it stops in the bone tissue, blocking the access of bone fat to the joint cavity. If the cap is made with a through hole, then the necessary medicinal ingredients for treating the affected joints enter the joint through the through channel through the hole, and bone fat is taken from the joint through this hole in the cap. Example 3:

A device for restoring and creating an arthromedullary connection, bone fat selection, intra-articular injection of ingredients for the treatment of affected joints, made by cannulated, includes a through channel 1 with input 2 and output 3 holes, the shell 4 of which is provided with threaded elements 5 and perforations 6, gasket 10 , a sealing hole in the bone tissue, the surface 14 of the membrane 4 can be structured.

In such a modification of the device, the use of a cap or plug is not intended.

Obviously the convenience of a collapsible design of the proposed device for the manufacture of its various modifications.

Thus, a device made cannulated, with the ability to assemble in various modifications, which allows

SUBSTITUTE SHEET (RULE 26) b the process of restoration and creation of arthromedullary communication, selection of bone fat, intra-articular injection of ingredients for the treatment of affected joints, in addition, ensures maximum use of the patient’s body resources, minimizes surgical intervention, reduces the cost of operations, while increasing their availability, and allows expanding treatment options joint diseases, including widespread ones, reduces the negative psychological consequences of the postoperative period a, reduces the postoperative period of restoration of function of the affected joints.

INDUSTRIAL APPLICABILITY

The invention relates to such fields of medicine as traumatology and orthopedics, and can be used in the treatment of traumatological, orthopedic and rheumatological patients.

The collapsible design of the proposed device for restoring and creating an arthromedullary connection, bone fat selection, intraarticular injection of ingredients for the treatment of affected joints, made by cannulated, includes a through channel with inlet and outlet openings, the shell of which is equipped with threaded elements and perforations, with the possibility of attaching a plug for the inlet or outlet of the through channel made with adjustable or fixed length, with self-cutting a flask, or a cap, made with the possibility of regulating the fluid flow, as well as a gasket that seals the hole in the bone tissue and secures the connection with the plug or cap, while one of the ends of the through channel shell is equipped with a tool holder and a thread compatible with the thread of the plug or cap, the surface of the shell can be structured.

INFORMATION SOURCES

1. Patent of the Russian Federation Na 1519687 "Endoprosthesis of the hip joint of I. A. Movshovich - N. S. Gavryushchenko, Publ. 11/07/89, Bull. Ns 41

SUBSTITUTE SHEET (RULE 26)

Claims

DEVICE FOR RECONSTRUCTION AND CREATION OF ARTHROMEDULAR COMMUNICATION, SELECTION OF BONE FAT, IN-JOINT INTRODUCTION OF INGREDIENTS FOR TREATMENT OF DEFECTED JOINTS OF THE INVENTION

1. A device for restoring and creating arthromedullary communication, bone fat selection, intraarticular injection of ingredients for the treatment of affected joints, made cannulated, including a through channel with inlet and outlet openings, the shell of which is equipped with threaded elements and perforations, with the possibility of attaching a plug for input or an outlet of a through channel made with an adjustable or fixed length, with a self-cutting thread, or a cap made with a possible the ability to control the fluid flow, as well as the gasket, which seals the hole in the bone tissue and fixes the connection with the plug or cap, while one of the ends of the through channel shell is equipped with a tool holder, and a thread compatible with the thread of the plug or cap, the shell surface can be structured .

SUBSTITUTE SHEET (RULE 26)