CN201684002U

CN201684002U - Extracorporeal fracture fixer

Info

Publication number: CN201684002U
Application number: CN201020170079XU
Authority: CN
Inventors: 奚华高
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-26
Filing date: 2010-04-26
Publication date: 2010-12-29
Anticipated expiration: 2020-04-26

Abstract

The utility model discloses an extracorporeal fracture fixer, which comprises a telescopic body, peg fixers and a connecting device. The peg fixers are arranged at two ends of the telescopic body through the connecting device, the connecting device comprises a connecting rod, a transverse groove arranged on the top face of a universal ball seat of the peg fixers, and a longitudinal groove arranged on the side face of the peg fixer universal ball seat, the longitudinal sections of the transverse groove and the longitudinal groove are of T shapes, the straight end of the connecting rod is fixedly connected with one end of a side contractor, and a spherical end can be movably arranged in the transverse groove. As the T-shaped grooves are arranged on the universal ball seat, when in work, the peg fixers can be adjusted according to actual implanting condition of pegs to lead the peg fixers to realize transverse and longitudinal movement or rotation. Accordingly, the peg fixers have universal adjusting function, and achieve larger adjusting range of peg implanting range, angle and amount, and the fracture fixer has simpler structure.

Description

A kind of external fracture fixing apparatus

Technical field

The utility model relates to a kind of fracture fixing apparatus, particularly a kind of external fracture fixing apparatus belongs to technical field of medical.

Background technology

Fracture fixing apparatus is the medical treatment device that is used for fixing fracture.Traditional fracture fixing apparatus, comprise a slice rustless steel and several stainless steel screw, its fixed form is that corrosion resistant plate is imbedded fracture in the body, the mat stainless steel screw is fastened on the knochenbruch two ends, in order to make the knochenbruch place not produce displacement, the external bag again of being everlasting with Gypsum Fibrosum, treat that the growth of knochenbruch two ends connects after, cut skin and flesh again, take out corrosion resistant plate and screw, though the fracture fixing apparatus of this structure can be with fracture fixation, patient need cut skin and flesh twice, thus bear painful more, in addition, the a few days cartridge type is twined, numb limbs and tense tendons, skin allergy, pruritus, wash reason inconvenience, treatment recovery cutting dust pollution is big, and can't keep limb fracture end length difference, the action that recovers from injury is jolted, fracture is corrected, and particularly the line para-position is treated the patient of long-term bed, the many complication of easier appearance.

In order to solve the problems of the technologies described above, Chinese patent literature discloses a kind of fracture fixing apparatus, the patent No. is: " ZL90215211.4 " patent name is " an external formula fracture fixing apparatus ", this fracture fixing apparatus comprises extrusome, spicule holder, connecting device, described spicule holder is arranged on described extrusome two ends by connecting device, wherein, described connecting device comprises the multi-directional ball that is arranged on described spicule holder one end, the ball seat that is fixed on described extrusome one end, and described multi-directional ball matches with described ball seat; The fracture fixing apparatus of this structure, though saved the wrapping of external Gypsum Fibrosum, the joint functional recovery is also than comparatively fast, patient's misery has also alleviated; Tantalum since the spicule holder can only rotate, can not be laterally, vertically move, and the orientation angle of spicule is intricate, implants slightly off normal as spicule, the patient will suffer the misery of spicule implantation second operation.

The utility model content

Technical problem to be solved in the utility model provides a kind of external fracture fixing apparatus, and this fracture fixing apparatus has the universal adjustment function, can realize laterally, vertically reaching the function of rotating; Make spicule transplanting scope, angle, pin amount that bigger range of accommodation arranged, and simple in structure.

In order to solve the problems of the technologies described above, a kind of external fracture fixing apparatus of this utility model, comprise extrusome, the solid device of spicule, connecting device, described spicule holder is arranged on described extrusome two ends by connecting device, wherein, described connecting device comprises connecting rod, is arranged on transverse groove and the lateral cannelure of described spicule holder universal ball seat on the described spicule holder universal ball seat end face, described transverse groove and described cannelure longitudinal section are T-shaped, the straight end of described connecting rod and described side body one end that contracts is fixedlyed connected, and spheric end is mobilizable to be arranged in the described transverse groove.Because described universal ball seat is provided with T-shaped groove, during work, can be according to the practical situation of spicule implantation, regulate the spicule holder, the function that makes the spicule holder realize laterally, vertically move or rotate, thereby make fracture fixing apparatus have the universal adjustment function, make spicule transplanting scope, angle, pin amount that bigger range of accommodation arranged; In addition, only on universal ball seat, increased T-slot, therefore, relatively simple for structure.

Above-mentioned a kind of external fracture fixing apparatus, wherein, described spicule holder comprises universal ball seat, lower platen, the bottom surface of described universal ball seat and the upper surface of described lower platen link into an integrated entity by adjustment screw, and the upper surface junction of the bottom surface of described universal ball seat and described lower platen is provided with the through hole that is used to install spicule.Because described spicule holder comprises universal ball seat, lower platen, universal ball seat and lower platen link into an integrated entity, and form the through hole that spicule is installed, can be by regulating the distance between universal ball seat and the lower platen, spicule is unclamped or tighten, therefore, this fracture fixing apparatus uses fairly simple convenience.

Above-mentioned a kind of external fracture fixing apparatus, wherein, described locking device comprises locking member, is arranged on the locking through hole of described universal ball seat bottom surface, is arranged on the connecting through hole on the described lower platen bottom surface; Described locking through hole is corresponding with the spheric end of described connecting rod; Described locking through hole is connected with described connecting through hole, and described locking member is arranged in the described locking through hole, and is connected with described locking through hole whorl.During work, specific purpose tool passes connecting through hole, turns locking member, and locking member is moved in the locking through hole, and the connecting rod spherical end is compressed, and makes spicule holder location, thus the accurate location of realizing the spicule holder, and easy to operate.

Above-mentioned a kind of external fracture fixing apparatus, wherein, described extrusome comprises leading presses link rod, leads depression bar and lead the last item cover, and described leading presses link rod to be arranged on described leading in the last item cover; Described leading presses link rod one end to be arranged on described leading in the last item cover by erecting device is mobilizable, and the other end is connected with the described threaded one end that leads depression bar, and the described other end and the described connecting rod that leads depression bar is fixedly linked; Described leading presses an end periphery of link rod to be provided with a dial hole, and described periphery of leading the last item cover is provided with and the corresponding open slot of described dial hole.Lead the pressure link rod owing to extrusome comprises, lead depression bar and lead the last item cover, described leading pressed link rod, led depression bar and lead the last item cover and connect into one, described leading presses an end periphery of link rod to be provided with a dial hole, described periphery of leading the last item cover is provided with and the corresponding open slot of described dial hole, during work, by specific purpose tool one end process open slot, enter and lead last item and follow and stir dial hole, adjusting is led and is pressed link rod and the length of leading between the depression bar, thereby, make the spicule implantation of fracture fixing apparatus convenient.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is a user mode sketch map of the present utility model

Fig. 3 is the structural representation of this utility model A-A

Fig. 4 is the structural representation of this utility model B-B

The specific embodiment

In order to solve the problems of the technologies described above, a kind of external fracture fixing apparatus of this utility model, comprise extrusome 1, the solid device 2 of spicule, connecting device 3, described spicule holder 2 is arranged on described extrusome 1 two ends by connecting device 3, wherein, described connecting device 3 comprises connecting rod 31, transverse groove 32, cannelure 33; Transverse groove 32 is arranged on universal ball seat 4 end faces of described spicule holder 2, cannelure 33 is arranged on universal ball seat 4 sides of described spicule holder 2, described transverse groove 32 is T-shaped with described cannelure 22 longitudinal sections, the straight end of described connecting rod 31 is fixedlyed connected with an end of described extrusome 1, and spheric end is mobilizable to be arranged in the described transverse groove 32.Described connecting rod 31 is that an end is straight end, and the other end is the member of spheric end, and the shape of transverse groove 32 is unrestricted, and directly the shape groove also can be provided with the ball chamber of matching with spheric end in straight shape groove; Because described universal ball seat 4 is provided with T-shaped groove, during work, can be according to the practical situation of spicule implantation, regulate spicule holder 2, the function that makes spicule holder 2 realize laterally, vertically move or rotate, thereby make fracture fixing apparatus have the universal adjustment function, make spicule transplanting scope, angle, pin amount that bigger range of accommodation arranged; In addition, only on universal ball seat 4, increased T-slot, therefore, relatively simple for structure.

In order to use spicule easy to use, described spicule holder 1 comprises universal ball seat 4, lower platen 5, the upper surface of the bottom surface of described universal ball seat 4 and described lower platen 5 links into an integrated entity by adjustment screw 6, the upper surface junction of the bottom surface of described universal ball seat 4 and described lower platen 5 is provided with the through hole 45 that is used to install spicule, universal ball seat 4 is an integrated member, its bottom surface has some grooves, lower platen 5 is a tabular component, its upper surface is provided with some grooves, when described universal ball seat 4 links into an integrated entity with lower platen 5, groove on the universal ball seat bottom surface matches respectively with the groove of lower platen upper surface, thereby has formed the through hole 45 that spicule is installed.Because described spicule holder 2 comprises universal ball seat 4, lower platen 5, universal ball seat 4 links into an integrated entity with lower platen 5, and form the through hole 45 that spicule is installed, can be by regulating the distance between universal ball seat 4 and the lower platen 5, spicule 10 is unclamped or tighten, therefore, this fracture fixing apparatus uses fairly simple convenience.

In order to make universal ball seat 4 accurate positionings, reliable, can in spicule holder 2, be provided with locking device 7, described locking device 7 comprises locking member 71, locking through hole 72, connecting through hole 73, locking through hole 72 is arranged on described universal ball seat 4 bottom surfaces, and connecting through hole 73 is arranged on described lower platen 5 bottom surfaces; Described locking through hole 72 is corresponding with the spheric end of described connecting rod 31; Described locking through hole 72 is connected with described connecting through hole 73, and described locking member 71 is arranged in the described locking through hole 72, and is threaded with described locking through hole 72.Locking member 71 is a bottle cap shape member, and the outer peripheral face of locking member 71 is provided with external screw thread, and the bottom surface is provided with hexagon ring, during work, specific purpose tool passes connecting through hole 73, is stuck on the hexagon ring, turns locking member 71, locking member 71 is moved in locking through hole 72, connecting rod 31 spheric ends are compressed, make spicule holder 2 location, thereby, realize the accurate location of spicule holder 2, and made things convenient for operation.

Convenient in order to use, described extrusome 1 comprises leading presses link rod 11, leads depression bar 12 and leads last item cover 13, and described leading presses link rod 11 to be arranged on described leading in the last item cover 13; Described leading presses link rod 11 1 ends to be arranged on described leading in the last item cover 13 by erecting device 14 is mobilizable, the other end is connected with the described threaded one end that leads depression bar 12, and the described other end and the described connecting rod 31 that leads depression bar 12 is fixedly linked by securing member or other modes; Described leading presses an end periphery of link rod 11 to be provided with dial hole 111, quantity, the shape of dial hole 111 are unrestricted, set according to practical situation, described periphery of leading last item cover 13 is provided with and described dial hole 111 corresponding open slots 131, the shape of open slot 131 is unrestricted, for easy to process, be designed to U-shaped.Erecting device 14 comprises being arranged on and leads the stopper slot 142 of pressing link rod 11 peripheries, be arranged on and lead last item and overlap cannelure 132, spacing member 133 on 13 peripheries, described cannelure 132 is corresponding with described stopper slot 142, described spacing member 133 snaps in described cannelure 132 and the stopper slot 142, links into an integrated entity thereby will lead to press link rod 11 and lead last item cover 13.Press link rod 11, lead depression bar 12 and lead last item cover 13 because extrusome 1 comprises leading, described lead to press link rod 11, lead depression bar 12 and lead last item cover 13 link into an integrated entity, described leading presses an end periphery of link rod 11 to be provided with a dial hole 111, described periphery of leading last item cover 13 is provided with and described dial hole 111 corresponding open slots 131, during work, by specific purpose tool one end process open slot 131, enter and lead last item cover 13 and stir dial hole 111, adjusting is led and is pressed link rod 11 and lead length between the depression bar 12, thereby, make the spicule 10 of fracture fixing apparatus implant convenient.Connecting rod 31, locking device 7, lead and press link rod 11, lead depression bar 12,1cr18in9ei makes for rustless steel.All the other parts are high-strength aluminum alloy, and cleaning can be provided with flexible bounce-back sterilizing cover 16 and wrap up in cover needle track mouth, gauze absorbent cotton above the needle track mouth of spicule 10 for convenience, and is both clean and tidy, is convenient to wash reason again.

In sum, this utility model traction back pressure is convenient, and have multifunctional universal and reconcile the space, compact conformation, volume is little, and is in light weight, and rigidity is strong, and flexible and convenient is suitable for the orthopaedics therapy apparatus.Both make things convenient for the doctor to operate, and also solved difficulty in the treatment, and alleviate the patient suffering, saved medical expense.

This utility model is not subjected to the restriction of present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of this utility model protection.

Claims

1. external fracture fixing apparatus, comprise extrusome, the solid device of spicule, connecting device, described spicule holder is arranged on described extrusome two ends by connecting device, it is characterized in that, described connecting device comprises connecting rod, is arranged on transverse groove and the lateral cannelure of described spicule holder universal ball seat on the described spicule holder universal ball seat end face, described transverse groove and described cannelure longitudinal section are T-shaped, the straight end of described connecting rod and described side body one end that contracts is fixedlyed connected, and spheric end is mobilizable to be arranged in the described transverse groove.

2. a kind of according to claim 1 external fracture fixing apparatus, it is characterized in that, described spicule holder comprises universal ball seat, lower platen, the bottom surface of described universal ball seat and the upper surface of described lower platen link into an integrated entity by adjustment screw, and the upper surface junction of the bottom surface of described universal ball seat and described lower platen is provided with the through hole that is used to install spicule.

3. as a kind of external fracture fixing apparatus as described in the claim 2, it is characterized in that, be provided with locking device in the described spicule holder, described locking device comprises locking member, is arranged on the locking through hole of described universal ball seat bottom surface, is arranged on the connecting through hole on the described lower platen bottom surface; Described locking through hole is corresponding with the spheric end of described connecting rod; Described locking through hole is connected with described connecting through hole, and described locking member is arranged in the described locking through hole, and is connected with described locking through hole whorl.

4. as a kind of external fracture fixing apparatus as described in the claim 1,2 or 3, it is characterized in that described extrusome comprises leading presses link rod, leads depression bar and lead the last item cover, described leading presses link rod to be arranged on described leading in the last item cover; Described leading presses link rod one end to be arranged on described leading in the last item cover by erecting device is mobilizable, and the other end is connected with the described threaded one end that leads depression bar, and the described other end and the described connecting rod that leads depression bar is fixedly linked; Described leading presses an end periphery of link rod to be provided with a dial hole, and described periphery of leading the last item cover is provided with and the corresponding open slot of described dial hole.