Auxiliary calcaneus reduction device

Abstract

The utility model discloses an auxiliary calcaneus reduction device. The auxiliary calcaneus reduction device is characterized by comprising a main sleeve, a rotating rod, a transverse positioning needle and a longitudinal positioning needle, the rotating rods are arranged on the two sides of the main sleeve, one end of each rotating rod is rotationally connected with a main sleeve shaft, the other end of each rotating rod is arranged on the transverse positioning needle in a sleeving mode and connected with the transverse positioning needle in a sliding mode, the transverse positioning needle is transversely inserted into the calcaneus for positioning, and the longitudinal positioning needle penetrates through a needle hole of the main sleeve and then is longitudinally inserted into the calcaneus for positioning. The utility model has the beneficial effects that in the minimally invasive surgery of calcaneus, the operation is simple and labor-saving, the needle threading is stable and accurate, and the reduction effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of calcaneus reset, especially to an auxiliary calcaneus reset device. BACKGROUND

[0002] ‌Calcaneus is the bone located in the lower rear of the foot, also known as calcaneus, and calcaneus fracture often causes calcaneus collapse, which needs reset operation for recovery. The current reset operation includes prying, kirschner wire fixation, headless screw, and hollow screw fixation. After fixation, the temporary kirschner wire is extracted. Because of the lack of positioning and auxiliary devices, the kirschner wire needs to be repeatedly inserted until the position is accurate, which not only causes great damage to the loss site, but also causes great burden on the patient's treatment psychology. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above existing problems, the utility model is proposed.

[0005] Therefore, the utility model solves the technical problem of providing an auxiliary calcaneus reset device.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an auxiliary calcaneus reset device, characterized by comprising a main sleeve, a rotating rod, a horizontal positioning needle and a vertical positioning needle; the rotating rod is arranged on both sides of the main sleeve, one end of the rotating rod is connected with the main sleeve in a shaft rotating manner, one end of the rotating rod is sleeved on the horizontal positioning needle and connected in a sliding manner, the horizontal positioning needle is inserted into the calcaneus for positioning in a horizontal direction, and the vertical positioning needle is inserted into the calcaneus for positioning in a vertical direction after passing through the needle hole of the main sleeve.

[0007] Preferably, the utility model further comprises a side sleeve and a fixing needle, the side sleeve is arranged on both sides of the main sleeve, and the fixing needle is inserted into the calcaneus for maintaining reset after passing through the side sleeve.

[0008] Preferably, shaft seats are arranged on both sides of the main sleeve, one end of the rotating rod is provided with a shaft, the shaft is embedded in the shaft seat, and the rotating rod is arranged in a shaft rotating manner with the main sleeve.

[0009] Preferably, the rotating rod comprises a sliding ring, a rotating sleeve and a sleeve column, the sleeve column is vertically arranged in the pipe of the rotating rod, the rotating sleeve is sleeved on the sleeve column, the sliding ring extends outward along the rotating sleeve, and the sliding ring is sleeved on the horizontal positioning needle.

[0010] Preferably, a hand-held part is arranged at the end of the main sleeve.

[0011] Preferably, the rotation of the rotating rod on the transverse positioning needle can be pulled left and right by the forward and backward traction of the longitudinal positioning needle along the longitudinal direction of the main sleeve.

[0012] Preferably, the upward buckling of the longitudinal positioning needle can be driven by the pressing of the main sleeve, and the longitudinal positioning needle is in abutment with the concave surface on the calcaneus, and the concave surface can be corrected to the normal joint surface by the continuous traction and upward buckling of the longitudinal positioning needle.

[0013] Preferably, the side sleeve is connected with the main sleeve by a ball head.

[0014] Preferably, after the calcaneus is reset, the fixing needle can be inserted into the calcaneus to fix the fracture for maintaining the position after reset by the limiting action of the side sleeve.

[0015] Preferably, the fixing needle for maintaining the reset is two, which is inserted into the calcaneus in a cross shape.

[0016] The beneficial effects of the present application are as follows: the minimally invasive surgery of the calcaneus is simple, labor-saving, and accurate, and the reset effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor. Among them:

[0018] Figure 1 It is the overall structure schematic view of the auxiliary calcaneus reset device of the present application;

[0019] Figure 2 It is the local enlarged structure schematic view of the auxiliary calcaneus reset device of the present application;

[0020] Figure 3 It is the local enlarged structure schematic view of the rotating rod of the present application;

[0021] Figure 4 It is the schematic view of the upward buckling of the longitudinal positioning needle of the present application;

[0022] Figure 5 It is the structure schematic view of the joint surface of the present application;

[0023] Figure 6The fixed needle is used for maintaining the reset structure. DETAILED DESCRIPTION

[0024] In order to make the above object, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore, the present application is not limited by the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" appearing in different places does not mean the same embodiment, nor is it an independent or alternative embodiment.

[0027] The present application is described in detail in combination with the schematic diagram, when the embodiments of the present application are described in detail, in order to facilitate the description, the sectional view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0028] Meanwhile, in the description of the present application, it should be pointed out that the orientation or position relationship of the terms "up, down, inside and outside" is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as a limitation of the present application. In addition, the terms "first, second or third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] Unless otherwise expressly specified and limited herein, the terms "mounting, connecting, and the like" shall be construed in a broad sense, for example, as fixed connection, detachable connection, or integral connection; and as mechanical connection, electrical connection, or direct connection; and as indirect connection through an intermediate medium; and as internal connection of two elements. Example 1

[0030] With reference to the drawings, Figures 1-6 The utility device for correcting calcaneal varus and restoring calcaneal tuberosity angle, especially the auxiliary calcaneal reduction device with simple operation, labor saving, stable and accurate needle insertion, good reduction effect, comprises a main sleeve 100, a rotating rod 200, a horizontal positioning needle 300 and a vertical positioning needle 400, a side sleeve 600, and a fixing needle 700, and the auxiliary calcaneal reduction device acts on the calcaneus 500, wherein the horizontal positioning needle 300 and the vertical positioning needle 400 are respectively inserted into the calcaneus 500 for positioning in the horizontal direction and the vertical direction, and the horizontal direction and the vertical direction are relative to the calcaneus 500, that is, the vertical direction is along the Y-axis direction of the calcaneus 500, and the horizontal direction is along the X-axis direction of the calcaneus 500. Before treatment, the calcaneus 500 is fixed first, and then the joint and the needle sleeve are pulled, the main sleeve 100 is sleeved on the vertical positioning needle 400, and the front and rear traction is used for auxiliary positioning of the vertical positioning needle 400 in the front and rear directions, and the main sleeve 100 is sleeved on the vertical positioning needle 400 and can be rocked up and down, and when the main sleeve 100 is pressed down, it is a pry bar action, at this time the top of the inserted vertical positioning needle 400 is tilted upward due to the pressing of the main sleeve 100, and the tilted upward reset is applied to the concave surface S to resist the tilt; the horizontal positioning needle 300 is inserted into the calcaneus 500 in the horizontal direction, which can tilt the vertical positioning needle 400 to avoid the main sleeve 100 from shaking up and down when pressed, and plays a stabilizing role. And the side sleeve 600 and the fixing needle 700 are used for the auxiliary positioning of the side sleeve 600 after the vertical positioning needle 400 tilts the concave surface S to reset, and the fixing needle 700 can be quickly and stably inserted into the calcaneus 500 to fix the fracture and maintain the position after reset.

[0031] In the embodiment, the horizontal positioning needle 300, the vertical positioning needle 400, and the fixing needle 700 are Kirschner needles, which are commonly used internal fixation materials in orthopedics, used for fixing short fractures or avulsion fractures and other fractures with little stress, and also used for temporary fixation of fracture blocks in orthopedic surgery. For its use in the embodiment, no detailed description is given, and the embodiment only provides the function of auxiliary positioning to reduce the shaking of the needle insertion process and provide stability.

[0032] For the purpose of understanding the details of the present embodiment, further more specifically, an auxiliary device for calcaneus reduction, comprising a main sleeve 100, a rotating rod 200, a transverse positioning needle 300 and a longitudinal positioning needle 400; wherein the rotating rod 200 is arranged on both sides of the main sleeve 100, one end of which is pivotally connected with the main sleeve 100, and the other end of which is sleeved on the transverse positioning needle 300 and is slidingly connected, the transverse positioning needle 300 is transversely inserted into the calcaneus 500 for positioning, and the longitudinal positioning needle 400 is longitudinally inserted into the calcaneus 500 for positioning after passing through the needle hole 101 of the main sleeve 100.

[0033] For the purpose of achieving the axial rotation between one end of the rotating rod 200 and the main sleeve 100, and the sliding connection between the other end of the rotating rod 200 and the transverse positioning needle 300, so that the rotating rod 200 and the main sleeve 100 can rotate around the axis, and the rotating rod 200 and the transverse positioning needle 300 can slide left and right when the main sleeve 100 is pulled forward and backward and lifted up and down, and the rotating rod 200 presents a continuously opening and closing motion posture when the main sleeve 100 is pulled forward and backward, therefore, as a preferred solution of the present embodiment, an axle seat 102 is arranged on both sides of the main sleeve 100, and an axle 201 is arranged on one end of the rotating rod 200, which is embedded in the axle seat 102, and the rotating rod 200 is pivotally arranged with the main sleeve 100.

[0034] Further, the rotating rod 200 comprises a sliding ring 202, a rotating sleeve 203 and a sleeve column 204, the sleeve column 204 is vertically arranged in the pipe of the rotating rod 200, the rotating sleeve 203 is sleeved on the sleeve column 204, and the sliding ring 202 extends outward along the rotating sleeve 203 and is sleeved on the transverse positioning needle 300.

[0035] The auxiliary device of the present embodiment further comprises a side sleeve 600, a fixing needle 700 and a hand-held part 800, the side sleeve 600 is arranged on both sides of the main sleeve 100, the fixing needle 700 is inserted into the calcaneus 500 for maintaining reduction after passing through the side sleeve 600, and the hand-held part 800 is arranged at the end of the main sleeve 100, and the side sleeve 600 is ball-jointedly arranged with the main sleeve 100.

[0036] Through the above description, the auxiliary device for calcaneus reduction can pull the rotating rod 200 to slide left and right on the transverse positioning needle 300 by pulling the main sleeve 100 forward and backward along the longitudinal positioning needle 400. By pressing the main sleeve 100 downward, the longitudinal positioning needle 400 can be lifted upward, and the longitudinal positioning needle 400 can be in contact with the concave surface S on the calcaneus 500, and by continuously pulling and lifting the longitudinal positioning needle 400, the concave surface S can be corrected to the normal joint surface M. After the calcaneus 500 is reduced, the fixing needle 700 can be inserted into the calcaneus 500 for fixing the fracture and maintaining the position after reduction by the limiting action of the side sleeve 600. And the fixing needle 700 for maintaining reduction is two, which is inserted into the calcaneus 500 in a cross shape.

[0037] The use method of the auxiliary calcaneus reduction device is as follows: first, the patient is adjusted to the appropriate height and position of the needle, the transverse positioning needle 300 and the longitudinal positioning needle 400 are inserted into the calcaneus 500 of the patient, the hand holding part 800 is held by hand, the needle hole 101 of the main sleeve 100 passes through the longitudinal positioning needle 400 to assist in positioning, at this time, the top of the longitudinal positioning needle 400 is repeatedly pried to reset by continuously pulling forward and backward and pressing down the main sleeve 100, when the joint surface M is restored to normal, the fixing needle 700 is inserted into the calcaneus 500 in a cross shape under the assistance of the side sleeve 600, after the reduction, the fracture is fixed, and the position after the reduction is maintained. The treatment effect is the change of the concave surface S to the joint surface M, that is, the correction of the varus and the correction of the joint surface collapse.

[0038] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. The embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

[0039] It should also be understood that the present application is described by embodiments, and the embodiments are only given to clearly and completely explain the technical solutions proposed by the claims of the present application, that is, the explanation and description of the claims, and therefore when judging whether the technical solutions recorded in the specification are sufficiently disclosed, the core essence of the scheme defined by the claims should be fully considered, and other technical problems irrelevant to the core technical problems solved by the embodiments in the specification are inevitable technical features, technical solutions, and therefore they are not the essence of the embodiments, and are not necessary technical features, and therefore they can be referred to as implicit disclosure, and those skilled in the art can realize them by combining the prior art and common knowledge, and therefore there is no need to make a detailed description.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be included in the scope of the claims of the present application.

Claims

1. An auxiliary calcaneus reduction device, characterized by: The application relates to a heel bone reduction device, which comprises a main sleeve (100), a rotating rod (200), a transverse positioning needle (300) and a longitudinal positioning needle (400). The rotating rod (200) is arranged on both sides of the main sleeve (100) and is pivotally connected to the main sleeve (100) at one end and is sleeved on the transverse positioning needle (300) and is slidingly connected to the transverse positioning needle (300), the transverse positioning needle (300) is transversely inserted into a heel bone (500) for positioning, and the longitudinal positioning needle (400) is longitudinally inserted into the heel bone (500) for positioning after penetrating through a needle hole (101) of the main sleeve (100). The heel bone reduction device further comprises a side sleeve (600) and a fixing needle (700), the side sleeve (600) is arranged on both sides of the main sleeve (100), and the fixing needle (700) is inserted into the heel bone (500) to maintain reduction after penetrating through the side sleeve (600).

2. An auxiliary calcaneus reduction device according to claim 1, characterized in that: Axle seats (102) are arranged on both sides of the main sleeve (100), and an axle (201) is arranged at one end of the rotating rod (200), the axle (201) is embedded into the axle seat (102), and the rotating rod (200) is pivotally arranged between the main sleeve (100).

3. The device of claim 1, wherein: The rotating rod (200) comprises a sliding ring (202), a rotating sleeve (203) and a sleeve column (204), the sleeve column (204) is vertically arranged in a pipe of the rotating rod (200), the rotating sleeve (203) is sleeved on the sleeve column (204), and the sliding ring (202) extends outward along the rotating sleeve (203) and is sleeved on the transverse positioning needle (300).

4. The device of claim 1, wherein: The heel bone reduction device further comprises a hand holding part (800), and the hand holding part (800) is arranged at the end of the main sleeve (100).

5. The device of claim 1, wherein: The main sleeve (100) can be pulled back and forth along the longitudinal positioning needle (400) to slide the rotating rod (200) on the transverse positioning needle (300) left and right.

6. The device of claim 1, wherein: The main sleeve (100) can be pressed downward to make the longitudinal positioning needle (400) be raised, the longitudinal positioning needle (400) is in abutment with a concave surface (S) on the heel bone (500), and the longitudinal positioning needle (400) can be continuously pulled and raised to correct the concave surface (S) to be a normal joint surface (M).

7. The device of claim 1, wherein: The side sleeve (600) is ball-jointedly arranged between the main sleeve (100).

8. The device of claim 1, wherein: After the heel bone (500) is reduced, the fixing needle (700) can be inserted into the heel bone (500) to fix a fracture and maintain the position after reduction through the limiting action of the side sleeve (600).

9. A device according to claim 8, wherein: The fixing needle (700) for maintaining reduction is two and is cross-shaped.

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