CN202604978U - Coracoid holding and bolt implanting guide device for coracoid osteotomy displacement operation - Google Patents

Abstract

The utility model discloses a coracoid holding and bolt implanting guide device for a coracoid osteotomy displacement operation. The guide device consists of a guiding sleeve, a handle, fastening bolts, a hollow coracoid holding inner core, a solid coracoid holding inner core and an assembly hollow screwdriver, wherein two cylindrical through holes at an interval vertically pass through the stainless steel flat cubic cylindrical guiding sleeve in parallel; the hollow coracoid holding inner core and the solid coracoid holding inner core are inserted into the two through holes respectively, and are fixed by two fastening bolts on the guiding sleeve; the stainless steel hollow coracoid holding inner core is a cylindrical rod with a radial through hole, and the front end of the stainless steel hollow coracoid holding inner core is of a tapping structure; the stainless steel solid coracoid holding inner core is a solid cylindrical rod, the front end of the stainless steel solid coracoid holding inner core is of a drilling structure, and the tail end of the stainless steel solid coracoid holding inner core is of a semi-cylindrical structure, so that the stainless solid coracoid holding inner core can be conveniently inserted and fixed in the connector of the hollow screwdriver; and the upper end of the guiding sleeve is fixedly provided with a gourd shaped annular handle. According to the device, the coracoid bone can be stably held and displaced in an operation, the hollow bolts are arranged for assistance, so that the coracoid bone can be fixed in the accurate position, and the operation is flexible and convenient.

Description

Be used for processus coracoideus and cut that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider

Affiliated technical field

This utility model relates to technical field of medical instruments, particularly relates to a kind of processus coracoideus that is used for and cuts that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider.

Background technology

Anterior dislocation of shoulder is one type of joint dislocation of seeing at most clinically, in case take place, just is easy to show effect repeatedly, obviously influences patient's quality of life.If patient's recurrent number of dislocating is less, then its damage often is confined to soft tissues such as broad-mouthed receptacle for holding liquid lip and joint capsule, thereby thereby the reparation that can select to carry out soft tissue injury under the arthroscope it is treated.But along with taking off increasing of number of times, patient joins and significantly bone property damage toward contact except that above-mentioned soft tissue injury, and the bone of especially takeing on the broad-mouthed receptacle for holding liquid leading edge is damaged.Excessively just should select the processus coracoideus transposition if shoulder broad-mouthed receptacle for holding liquid bone is damaged, cut bone, shift and be fixed to the shoulder broad-mouthed receptacle for holding liquid leading edge that exists bone damaged cutting bone bone piece, thereby it be additional complete take on broad-mouthed receptacle for holding liquid front portion bone property structure through processus coracoideus.The operation fixedly requirement of processus coracoideus bone piece is, the outer rim of shift cutting bone bone piece should be concordant with shoulder broad-mouthed receptacle for holding liquid articular surface, and the position after placing like the bone piece is outer partially then to rub seriously between operation back bone piece and head of humerus than articular surface projection more, can cause tangible osteoarthritis; But in placing too partially like bone piece position, be lower than shoulder broad-mouthed receptacle for holding liquid articular surface, it is damaged then can not to play additional shoulder broad-mouthed receptacle for holding liquid bone again, increases the effect of stability of joint.Therefore can accurately place and fixedly secure the key point of operation be the to be shifted position of processus coracoideus bone piece.Method commonly used is in the operation at present: use common vascular forceps clamping processus coracoideus bone piece to pass tendon of subscapularis muscle and be placed on shoulder broad-mouthed receptacle for holding liquid leading edge; After the adjustment position is accurate; Squeeze into two pieces of hollow nail guide pins, use core drill then, insert fixedly processus coracoideus bone piece of hollow screw at last along the guide pin reaming.But proceed in the operation processus coracoideus bone piece fixedly the time operative region reached the deep, joint, the working place is narrow and small.Because when processus coracoideus bone piece was placed shoulder broad-mouthed receptacle for holding liquid leading edge, the thick conjoined tendon that adheres on it will pass tendon of subscapularis muscle, thereby has certain tension force.Common vascular forceps itself is difficult to stable holding processus coracoideus bone piece, thereby it is very difficult will before two pieces of hollow nail guide pins are inserted, keeping processus coracoideus bone piece to be positioned at accurate position always and as far as possible move.If bone piece position changes slightly, thereby then possibly cause the bad surgical effect that influences in bone piece fixed position.Therefore, how to develop a kind of operating theater instruments, can when shifting processus coracoideus bone piece, carry out firm controlling to it, auxiliary simultaneously doctor carries out the fixing of bone piece, and operation easier is current facing of the task in present technique field in the reduction operation.

Summary of the invention

The purpose of this utility model is to provide stable the controlling of a kind of ability to shift processus coracoideus bone piece, and the auxiliary simultaneously hollow screw of inserting, thereby cuts in the processus coracoideus that is used for of fixed-site processus coracoideus bone piece accurately that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider.

For achieving the above object; This utility model adopts the technical scheme of following structure; A kind of processus coracoideus that is used for cuts that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider; By guide thimble, handle, trip bolt, hollow processus coracoideus control inner core, solid processus coracoideus controls inner core and the hollow screwdriver of assembly type is formed, be characterized in: guide thimble is flat cube of column of rustless steel, the length of flat cube of column be 100-150mm, wide for 10-20mm, high be 5-15mm; Two diameters of parallel longitudinal perforation are the cylindric through hole of 5-5.5mm on the column top center; The two through hole center distance is 6-6.5mm, inserts respectively in the two through hole that hollow processus coracoideus is controlled inner core and solid processus coracoideus is controlled inner core, and is fixed by two horizontal trip bolts on two sides, guide thimble upper end respectively; It is the cylindrical bar that radial direction through hole is arranged that the hollow processus coracoideus of rustless steel is controlled inner core; The radial direction through hole diameter is 1-1.5mm, and the front end that hollow processus coracoideus is controlled inner core is the tapping structure of diameter 2.7mm, length 40mm, and middle part length is 100mm; Diameter is that the cylindric through hole on 5.2mm and the guide thimble is slidingly matched; Tail end is long to be 26mm, and diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver of assembly type; It is the filled circles mast that the stainless steel solid processus coracoideus is controlled inner core; The front end that solid processus coracoideus is controlled inner core is the drill bit structure of diameter 2.7mm, length 40mm; Middle part length is 140mm, and diameter is that the cylindric through hole on 5.2mm and the guide thimble is slidingly matched, and tail end is long to be 26mm; Diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver of assembly type; The long annular hand grip of fixed installation on the width side plane of guide thimble upper end.

This utility model method for using and operation principle are following: at first utilize processus coracoideus to control and screw is inserted the guide thimble on the guider; Use bit tool on processus coracoideus, to do the bone hole of two spacings as 6-6.5mm through the through hole on the guide thimble; Be screwed into hollow processus coracoideus in bone hole therein and control inner core; In another bone hole, be screwed into solid processus coracoideus and control inner core; Then guide thimble is inserted in that hollow processus coracoideus is controlled inner core and solid processus coracoideus is controlled on the inner core; Control and screw is inserted the guider front end and closely contacted with processus coracoideus bone piece until processus coracoideus, two horizontal trip bolts that utilize guide thimble upper end fixation hollow processus coracoideus are respectively controlled inner core and solid processus coracoideus is controlled inner core, thereby control and screw is inserted guider and fixedly controlled processus coracoideus bone piece through processus coracoideus; Control through hole on the inner core along hollow processus coracoideus and squeeze into 1 piece of long Kirschner wire of diameter 1.2mm as inserting also fixing processus coracoideus bone piece of guide pin; Loosen the trip bolt on the guide thimble then, solid processus coracoideus is controlled inner core pierce in the processus coracoideus bone piece, thus temporary fixed processus coracoideus bone piece; Utilizing the hollow screwdriver of assembly type that hollow processus coracoideus is controlled inner core screws out in processus coracoideus bone piece; Processus coracoideus is controlled and screw is inserted guider and controlled inner core from solid processus coracoideus and withdraw from; After hollow boring bit in the use hollow nail apparatus will be inserted with the bone hole reaming of the long Kirschner wire of 1.2mm; Be screwed into the 4.0mm hollow nail, the fixedly processus coracoideus bone piece of going ahead of the rest; Utilize the hollow screwdriver of assembly type that solid processus coracoideus is controlled inner core again and in processus coracoideus bone piece, screw out, be screwed into the 4.0mm hollow nail of appropriate length, fixedly secure processus coracoideus bone piece at last.

Owing to adopt and above-mentionedly to be used for that processus coracoideus cuts that the processus coracoideus bone of diostosis operation is controlled and screw is inserted the structural principle of guider; Make this utility model in operation, stable controlling to shift processus coracoideus bone piece; And the auxiliary simultaneously hollow screw of inserting; Thereby, reached goal of the invention at fixed-site processus coracoideus bone piece accurately.

Description of drawings

Fig. 1 is this utility model structural representation

Fig. 2 is a guide thimble cross sectional representation among Fig. 1

Fig. 3 is the schematic side view of Fig. 2

Fig. 4 controls the core arrangement sketch map for Fig. 1 hollow core processus coracoideus

Fig. 5 controls the core arrangement sketch map for Fig. 1 hollow core processus coracoideus

Fig. 6 is the hollow screwdriver sketch map of assembly type among Fig. 1

The specific embodiment

Below in conjunction with accompanying drawing 1 to accompanying drawing 6 this utility model is detailed; A kind of processus coracoideus that is used for cuts that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider; By guide thimble 1, handle 5, trip bolt 6, hollow processus coracoideus control inner core 4, solid processus coracoideus controls inner core 2 and the hollow screwdriver 3 of assembly type is formed; Guide thimble 1 is flat cube of column of rustless steel; The length of flat cube of column be 120mm, wide for 15mm, high be 8mm, flat cube on the column top center parallel longitudinal to connect two diameters be the cylindric through hole 7 of 5.2mm, two through hole 7 center distance are 6.1mm; Insert hollow processus coracoideus in the two through hole 7 respectively and control inner core 4 and control inner core 2 with solid processus coracoideus, and fixing by two on two sides, guide thimble 1 upper end horizontal trip bolts 6 respectively; The hollow processus coracoideus of rustless steel is controlled inner core 4 for the cylindrical bar of radial direction through hole 8 is arranged; Radial direction through hole 8 diameters are 1.25mm, and the front end that hollow processus coracoideus is controlled inner core 4 is the tapping structure of diameter 2.7mm, length 40mm, and middle part length is 100mm; Diameter is that the cylindric through hole 7 on 5.2mm and the guide thimble 1 is slidingly matched; Tail end is long to be 26mm, and diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver 3 of assembly type; The stainless steel solid processus coracoideus is controlled inner core 2 and is the filled circles mast; The front end that solid processus coracoideus is controlled inner core 2 is the drill bit structure of diameter 2.7mm, length 40mm; Middle part length is 140mm, and diameter is that the cylindric through hole 7 on 5.2mm and the guide thimble 1 is slidingly matched, and tail end is long to be 26mm; Diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver 3 of assembly type; The long annular hand grip 5 of fixed installation on the guide thimble 1 upper end width side plane is configured for processus coracoideus and cuts that the processus coracoideus bone of diostosis in performing the operation controlled and screw is inserted guider.

Claims (1)

1. one kind is used for processus coracoideus and cuts that the processus coracoideus bone of diostosis operation is controlled and screw is inserted guider; By guide thimble (1), handle (5), trip bolt (6), hollow processus coracoideus control inner core (4), solid processus coracoideus controls inner core (2) and the hollow screwdriver of assembly type (3) is formed; Be characterized in: guide thimble (1) is flat cube of column of rustless steel; The length of flat cube of column is 100-150mm, the wide 10-20mm of being, the high 5-15mm of being; Two diameters of parallel longitudinal perforation are the cylindric through hole of 5-5.5mm (7) on flat cube of column top center; Two through hole (7) center distance is 6-6.5mm, inserts respectively in the two through hole (7) that hollow processus coracoideus is controlled inner core (4) and solid processus coracoideus is controlled inner core (2), and fixing by two the horizontal trip bolts (6) on two sides, guide thimble (1) upper end respectively; The hollow processus coracoideus of rustless steel is controlled inner core (4) for the cylindrical bar of radial direction through hole (8) is arranged; Radial direction through hole (8) diameter is 1-1.5mm, and the front end that hollow processus coracoideus is controlled inner core (4) is the tapping structure of diameter 2.7mm, length 40mm, and middle part length is 100mm; Diameter is that the cylindric through hole (7) on 5.2mm and the guide thimble (1) is slidingly matched; Tail end is long to be 26mm, and diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver of assembly type (3); It is the filled circles mast that the stainless steel solid processus coracoideus is controlled inner core (2); The front end that solid processus coracoideus is controlled inner core (2) is the drill bit structure of diameter 2.7mm, length 40mm; Middle part length is 140mm, and diameter is that the cylindric through hole (7) on 5.2mm and the guide thimble (1) is slidingly matched, and tail end is long to be 26mm; Diameter is the semi-cylindrical of 4.4mm, can be inserted and secured in the interface of the hollow screwdriver of assembly type (3); Fixed installation long annular hand grip (5) on the width side plane of guide thimble upper end.

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