Replaceable rongeur

Abstract

The replaceable rongeur comprises a rongeur rod and a rongeur handle, the rongeur handle comprises a handle head, a rear handle integrated with the handle head and a front handle hinged to the handle head, the rongeur rod is arranged in the handle head in a sleeved mode, and a locking piece is arranged between the rongeur rod and the handle head; an inner sleeve rod is movably sleeved in the forceps rod, one end of the forceps rod is sleeved with a fixed head, and the end part of the inner sleeve rod is connected with a movable head which is in sliding arrangement with the fixed head; the inner sleeve rod extends into the handle head, and an elastic reset piece is arranged between the upper end of the front handle and the inner sleeve rod. Compared with the prior art, the replaceable rongeur has the advantages that the replaceable rongeur is convenient to operate and capable of being disassembled, assembled, maintained, cleaned and the like, and meanwhile the use intensity is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically point to a kind of replaceable rongeur. BACKGROUND

[0002] Lamina rongeur as a kind of basic medical instrument is widely used in orthopedic surgery, in actual operation, it is mostly used for bone cutting in spinal surgery, when using, it is realized by the sliding of movable arm on fixed arm to complete the cutting and trimming of lamina bone and other spinal bones.

[0003] But the rongeur in prior art is mostly not detachable, and the structure of detachable rongeur is not close enough, which can easily cause inconvenience when using. UTILITY MODEL CONTENT

[0004] (I) problem to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects, provide a kind of replaceable rongeur which is convenient to operate, can be disassembled and maintained, cleaned and the like, and can ensure the use strength.

[0006] (II) technical scheme

[0007] To solve the above technical problems, the utility model provides the technical scheme that a kind of replaceable rongeur, including clamp bar and handle, handle includes handle head, the rear handle of integral type with handle head and the front handle hinged with handle head, clamp bar is sleeved and arranged in handle head, locking piece is arranged between clamp bar and handle head;

[0008] The inner sleeve rod is movably sleeved in the clamp bar, and the fixed head is sleeved at one end of the clamp bar;

[0009] The inner sleeve rod extends into the handle head, and the elastic reset member is arranged between the upper end of the front handle and the inner sleeve rod.

[0010] As an improvement, the locking piece includes a locking shaft sleeved with the clamp bar and a positioning plug head arranged in the handle head, and the clamp bar is sleeved with the locking shaft;

[0011] The locking shaft is provided with anti-slip lines at the end away from the handle head, and the end portion is recessed with an adjusting ring groove in the handle head, a plurality of clamping grooves are recessed in the adjusting ring groove along the circumferential direction away from the clamp bar, and the end wall of any clamping groove is in communication with the outside, and the diameter of the positioning plug head is matched with the clamping groove.

[0012] As an improvement, the elastic reset member includes a push rod and a reset spring sleeved with the push rod, the push rod is sleeved into the locking shaft, the reset spring abuts against the outer end wall of the locking shaft, and the push rod is recessed with a slot at the end towards the inner sleeve rod for sleeving the inner sleeve rod.

[0013] As an improvement, the movable head is concave inwardly towards the inner sleeve rod and is provided with a sleeve slot for sleeing the inner sleeve rod.

[0014] (III) Advantages

[0015] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0016] In the application, the use of the handle is completed by the various detachable sliding sleeve structures and the elastic return members, the assembly of the structure is ensured to be compact, meanwhile, the various structures can be assembled or disassembled, subsequent cleaning and other maintenance operations are facilitated, and different use requirements are met.

[0017] The rongeur is prone to damage, but in the application, when the forceps are damaged, only the forceps rod body needs to be replaced, the handle can be repeatedly used, and the use cost is effectively reduced.

[0018] In the application, the clamping grooves arranged in the circumferential direction enable the forceps rod to have multiple groups of installation directions, and meet different angle use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic diagram of a replaceable rongeur.

[0020] Figure 2 It is a structure schematic diagram of an exploded view of a replaceable rongeur.

[0021] Figure 3 It is a structure schematic diagram of a sectional view of a replaceable rongeur.

[0022] Figure 4 It is a partial structure schematic diagram of a replaceable rongeur.

[0023] As shown in the drawings: 1, forceps rod; 2, handle head; 3, rear handle; 4, front handle; 5, inner sleeve rod; 6, fixed head; 7, movable head; 8, locking shaft; 9, positioning bolt head; 10, anti-skid pattern; 11, adjusting ring groove; 12, clamping groove; 13, push rod; 14, return spring. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be further described below in combination with the drawings. The same parts are denoted by the same reference numerals.

[0025] It should be noted that the words “front”, “rear”, “left”, “right”, “upper” and “lower” used in the following description refer to the directions in the drawings, and the words “inner” and “outer” refer to the directions towards or away from the geometric center of a specific part.

[0026] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is described as being "connected" or "coupled" to another element, it can be directly connected or coupled or intervening elements can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] In order to make the content of the application more easily understood, the technical solutions in the embodiments of the application will be clearly and completely described in the specification of the application combined with the accompanying drawings in the embodiments of the application.

[0029] Please refer to the accompanying drawings carefully Figures 1-4 A replaceable rongeur comprises a rongeur rod 1 and a handle, the handle comprises a handle head 2, a rear handle 3 integrally arranged with the handle head 2 and a front handle 4 hingedly connected with the handle head 2, and the rongeur rod 1 is sleeved in the handle head 2.

[0030] In use, a locking member is arranged between the rongeur rod 1 and the handle head 2, and an inner sleeve rod 5 is movably sleeved in the rongeur rod 1, one end of the rongeur rod 1 is sleeved with a fixed head 6, an end of the inner sleeve rod 5 is connected with a movable head 7 which is slidably arranged with the fixed head 6, the inner sleeve rod 5 extends into the handle head 2, an elastic reset member is arranged between the upper end of the front handle 4 and the inner sleeve rod 5, and the movement of the inner sleeve rod 5 is controlled by pinching the front handle, wherein the elastic reset member is used to reset the inner sleeve rod 5 after displacement.

[0031] In specific use, the locking member comprises a locking shaft 8 sleeved with the rongeur rod 1 and a positioning bolt head 9 arranged in the handle head 2, and the rongeur rod 1 is sleeved with the locking shaft 8.

[0032] More specifically, the locking shaft 8 is provided with anti-skid lines 10 at the end away from the handle head 2, and the end is provided with an adjusting ring groove 11 in the handle head 2, and the adjusting ring groove 11 is provided with a plurality of sets of clamping grooves 12 in the circumferential direction at the end away from the pliers rod 1, the end wall of any clamping groove 12 is provided in communication with the outside, the diameter of the positioning stud head 9 is matched with the clamping groove 12, the end wall of any clamping groove 12 is in communication with the outside to form a channel through which the positioning stud head 9 can pass, and the installation and disassembly of the locking shaft 8 are completed through the channel, when the installation angle needs to be adjusted, the locking shaft 8 is pressed to make the positioning stud head 9 separate from any clamping groove 12, and the positioning stud head 9 is located in the adjusting ring groove 11, at this time, the locking shaft 8 can be rotated to complete the adjustment of the direction of the fixed head and the movable head 7.

[0033] In one embodiment, the elastic return member includes a push rod 13 and a return spring 14 sleeved on the push rod 13, the push rod 13 is sleeved into the locking shaft 8 at one end, the return spring 14 abuts against the outer end wall of the locking shaft 8, and the push rod 13 is provided with a slot for sleeving the inner sleeve rod 5 at the end away from the inner sleeve rod 5, and the return spring 14 is used to complete the reset of each component after the front handle is pinched.

[0034] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0035] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0036] The utility model and its implementation modes have been described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if the person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments similar to the technical scheme can be designed, which should belong to the protection scope of the utility model.

Claims

1. A replaceable rongeur, characterized by: The utility model provides a locking device of pliers, including pliers lever (1) and pliers handle, and the pliers handle includes handle head (2), the rear handle (3) of integral setting with handle head (2) and the front handle (4) of hinging with handle head (2), and the pliers lever (1) is connected with handle head (2) between being equipped with locking part, The inner sleeve rod (5) is movably sleeved in the pliers lever (1), and the pliers lever (1) is sleeved with a fixed head (6) at one end, and the end of the inner sleeve rod (5) is connected with a movable head (7) which is slidably arranged with the fixed head (6); The inner sleeve rod (5) extends into the handle head (2), and the upper end of the front handle (4) is provided with an elastic reset member between the inner sleeve rod (5).

2. The interchangeable rongeur of claim 1, wherein: The locking part includes a locking shaft (8) sleeved with the pliers lever (1) and a positioning bolt head (9) arranged in the handle head (2), and the pliers lever (1) is sleeved with the locking shaft (8); The locking shaft (8) is provided with an anti-slip pattern (10) at one end away from the handle head (2), and the end is recessed with an adjusting ring groove (11) in the handle head (2), and a plurality of clamping grooves (12) are recessed in the adjusting ring groove (11) along the circumferential direction away from the pliers lever (1), and the end wall of any clamping groove (12) is communicated with the outside, and the diameter of the positioning bolt head (9) is matched with the clamping groove (12).

3. The interchangeable rongeur of claim 2, wherein: The elastic reset member includes a push rod (13) and a reset spring (14) sleeved on the push rod (13), and the push rod (13) is sleeved into the locking shaft (8) at one end, and the reset spring (14) abuts against the outer end wall of the locking shaft (8), and the push rod (13) is recessed at one end towards the inner sleeve rod (5) and is provided with a slotted groove for sleeving the inner sleeve rod (5).

4. The interchangeable rongeur of claim 3, wherein: The movable head (7) is recessed towards the inner sleeve rod (5) and is provided with a sleeving groove for sleeving the inner sleeve rod (5).

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