Infant skull orthosis with swivel buckle

Abstract

The utility model relates to a baby skull orthopedic fixator of screw buckle fixedness, including shell subassembly, locking structure, opening and inner lining, the shell subassembly is composed of shell A part and shell B part, the edge department position of shell A part is equipped with the positioning pin towards shell B part, the edge department of shell B part is equipped with the positioning slot towards shell A part, the butt joint of shell A part and shell B part defines the opening, the side edge of shell A part and shell B part jointly installs locking structure, the locking structure includes screw buckle, screw buckle mounting seat and anchor point structure, the locking structure in scheme mainly realizes by safe and convenient screw buckle and anchor point structure, can be installed on the shell of 3D printing, the ratchet structure in screw buckle can be unidirectionally tightened after screw buckle upper cover is pressed, through the tightening screw buckle rope around anchor point structure, can fast close and firmly fix the shell, pull apart screw buckle upper cover, ratchet locking structure is ineffective, and screw buckle line tension disappears, can open the shell.

Description

Technical Field

[0001] This utility model belongs to the field of cranial orthopedics, specifically a screw-on fixation device for infant cranial orthopedics. Background Technology

[0002] Currently, 3D printing has been applied to a limited extent in the field of infant cranioplasty fixation devices in China, but there are still some areas where 3D printed infant cranioplasty fixation devices on the market need improvement; for example, the fixing buckle structure is unstable. There are currently two types of 3D printed infant cranioplasty fixation devices on the market:

[0003] One method is to use adhesive hook and loop fasteners for fixation (Chinese patent: CN202420175103.0, titled: An infant cranial orthopedic fixator). The main problem with this method is insufficient adhesive strength, which sometimes leads to the hook and loop fasteners peeling off, causing instability in the overall internal structure of the infant cranial orthopedic fixator.

[0004] One method is to fix it with a 3D-printed fastener (Chinese patent: CN202321941435.7, titled: A cranial orthopedic fixator); however, the 3D-printed fastener method has the problem of easy breakage along the Z-axis due to the structure of 3D printing. After repeated friction during use, the fastener will eventually become loose or damaged.

[0005] At the same time, the relatively central fixation area of ​​the two leads to unstable fixation at the top and bottom of the helmet opening, and the pins are at risk of coming off. This will directly affect the stability of the internal space of the helmet, and thus affect the treatment effect of cranioplasty.

[0006] Therefore, this invention addresses the problems existing in current 3D-printed infant cranial orthotics fixation devices. While maintaining the lightweight and breathable nature of the 3D-printed helmet, it uses a combination of a buckle (a strapping device and teeth for the device, Chinese patent: CN201821308558.6, titled: A Strapping Device and Teeth for the Device) and an anchor point structure to fix the infant cranial orthotics fixation device. Multiple fixing anchor points can be set at the upper and lower ends of the side of the orthotics. This method facilitates the closing / opening operation of the orthotics and also increases the stability of the infant cranial orthotics fixation device during the wearing process. Utility Model Content

[0007] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0008] Given the following technical problems in the existing technology: the main problem with the method of using Velcro is insufficient adhesion, which sometimes causes the Velcro to peel off, resulting in instability in the overall internal structure of the infant craniotomy fixation device. As for the method of fixing with 3D printed buckles, the Z-axis of the 3D printed structure is prone to breakage. After repeated friction during use, the buckles will eventually become loose or damaged.

[0009] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a screw-locking infant cranial orthopedic fixator, comprising an outer shell assembly, a locking structure, an opening, and an inner liner;

[0010] The outer shell assembly consists of outer shell A and outer shell B. The outer shell A is provided with a positioning pin on the side facing the outer shell B, and the outer shell B is provided with a positioning groove on the side facing the outer shell A. The joint between the outer shell A and the outer shell B is defined as the opening. The two are joined at the opening by the positioning pin and the positioning groove to form a complete product structure. When there is only one opening, the outer shell A and the outer shell B are integrated into one unit, and only a corresponding locking structure on one side is required.

[0011] The sides of both the outer shell A and the outer shell B are fitted with a locking structure.

[0012] As a preferred technical solution for a screw-on fixation infant cranial orthopedic fixation device, the locking structure includes a screw, a screw mounting seat, and an anchor point structure. The screw mounting seat is provided on the outer side of the outer shell A, and the anchor point structure is provided on the outer side of the outer shell B. The anchor point structure can be single, two, or multiple, and the anchor point structure is integrally formed by 3D printing.

[0013] As a preferred technical solution for an infant cranial orthopedic fixation device with a snap fastener, the snap fastener can be installed on a snap fastener mounting base via a snap fastener structure.

[0014] As a preferred technical solution for a screw-on fixation infant cranial orthopedic fixation device, the outer shell A and outer shell B are provided with inner linings, and the inner linings have a certain thickness and are made of breathable, skin-friendly foam material, which are respectively glued to the inner layers of the outer shell A and outer shell B.

[0015] The beneficial effects of this utility model are:

[0016] 1. This solution adopts an integrated 3D printing structure. All key components, such as the outer shell, screw mounting base, anchor point structure, positioning pin, and positioning groove, are formed by 3D printing in one piece, resulting in a stable structure with high precision and adaptability to personalized needs.

[0017] 2. The locking structure in this solution is mainly achieved by a safe and convenient swivel and anchor point structure, which can be installed on the 3D printed shell. After the swivel cover is pressed, the ratchet structure in the swivel can tighten in one direction. By tightening the swivel rope around the anchor point structure, the shell can be quickly closed and firmly fixed. When the swivel cover is pulled open, the ratchet locking structure fails, the tension of the swivel rope disappears, and the shell can be opened.

[0018] 3. This solution relies on the precise docking of the positioning pin and the positioning groove, combined with the layout of the upper and lower anchor points. When the buckle is tightened, it can ensure that the positioning pin and the positioning groove are not easily dislodged after the upper and lower ends of the outer shell opening are closed, so that the outer shell is closed firmly and does not loosen.

[0019] 4. This solution adopts an adjustable opening and modular design to support single or double opening combinations. When using a single opening, the outer shell is integrated, reducing the number of parts and simplifying operation.

[0020] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the present invention after the screw fastener has been removed.

[0024] Figure 3 This is a schematic diagram showing the opening of the outer shell A and outer shell B of this utility model.

[0025] Figure 4 Based on this utility model Figure 1 Plan view.

[0026] Figure 5 This is a schematic diagram of various binding methods of this utility model.

[0027] Reference numerals: 1-1, Outer shell A; 1-2, swivel mounting base; 1-3, locating pin; 2-1, Outer shell B; 2-2, anchor point structure; 2-3, locating groove; 3, swivel; 4, inner lining; 5, opening. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.

[0031] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0032] Example, refer to Figure 1 and 3 A screw-on fixation infant cranial orthopedic fixator includes a shell assembly, a locking structure, an opening 5, and an inner liner 4;

[0033] The outer casing assembly consists of outer casing A part 1-1 and outer casing B part 2-1. A positioning pin 1-3 is provided on the edge of outer casing A part 1-1 facing outer casing B part 2-1, and a positioning groove 2-3 is provided on the edge of outer casing B part 2-1 facing outer casing A part 1-1. The mating point of outer casing A part 1-1 and outer casing B part 2-1 is defined as opening 5. The two parts are mated at opening 5 by positioning pin 1-3 and positioning groove 2-3 to form a complete product structure. When there is only one opening 5, outer casing A part 1-1 and outer casing B part 2-1 are integrated into one unit, and only a corresponding locking structure on one side is required.

[0034] Reference Figure 1 , 24. Locking structures are installed on the sides of both outer shell A part 1-1 and outer shell B part 2-1. The locking structure includes a swivel 3, a swivel mounting seat 1-2, and an anchor point structure 2-2. The outer side of outer shell A part 1-1 is provided with a swivel mounting seat 1-2, and the outer side of outer shell B part 2-1 is provided with an anchor point structure 2-2. The anchor point structure 2-2 can be single, two, or multiple, and the anchor point structure 2-2 is 3D printed as a single piece. The swivel 3 can be installed on the swivel mounting seat 1-2 through a snap-fit ​​structure. An inner lining 4 is installed inside outer shell A part 1-1 and outer shell B part 2-1. The inner lining 4 has a certain thickness and is made of breathable, skin-friendly foam material, which is glued to the inner layer of outer shell A part 1-1 and outer shell B part 2-1 respectively.

[0035] This implementation achieves the following: the buckle rope of the swivel 3 is wrapped around the two anchor point structures 2-2 respectively. When the top cover of the swivel 3 is pressed, the swivel 3 enters the locking state. The ratchet can only rotate clockwise in one direction. By rotating the swivel 3 clockwise, the buckle rope wrapped around the anchor point structure 2-2 can be shortened. That is, the positioning pin 1-3 and the positioning groove 2-3 can close the outer shell A part 1-1 and the outer shell B part 2-1. Because the upper and lower ends of the anchor point structure 2-2 on the side of the outer shell 2-1 are aligned with the positions of the positioning pin 1-3 and the positioning groove 2-3, the tension of the buckle rope makes the positioning pin 1-3 and the positioning groove 2-3 firmly connected. This also makes the fixing effect between the outer shells more stable and safe. When the top cover of the swivel 3 is pulled out, the ratchet locking structure is invalidated, and the buckle rope can be loosened to open the outer shell. The buckle rope can be nylon or metal wire.

[0036] Working Principle: The principle of a screw-on fixation infant craniotomy device is to inhibit the growth of the deformed area of ​​the child's head shape and then guide the head shape to grow towards the correction area, thereby achieving the effect of correcting the head shape. The specific implementation process of this invention is as follows: Taking the case with two openings and two anchor points on one side as an example; the screw 3 is installed on the screw 3 mounting base 1-3, and the inner liner 4 is attached to the inside of the outer shell A part 1-1 and the outer shell B part 2-1. Before the user wears it, first pull out the top cover of the screw 3 on both sides. At this time, the ratchet structure of the screw 3 is disabled, and the screw rope of the screw 3 can be pulled freely. Then, the outer shell A part of the infant craniotomy device is closed. Separate part A (1-1) from part B (2-1); then place part A (1-1) and part B (2-1) at the front and back of the baby's head respectively, and begin to close part A (1-1) and part B (2-1) together, aligning the positioning pin 1-3 with the positioning groove 2-3. At this time, press down the top cover of the buckle 3, and the ratchet one-way locking structure of the buckle 3 will work. The buckle 3 can only be rotated clockwise. Rotating the buckle 3 clockwise will gradually tighten the buckle cord of the buckle 3. The anchor point structure 1-3, which is wrapped by the buckle cord, will gradually merge part A (1-1) and part B (2-1) together until it is stable. At this time, the infant craniotomy fixator is fixed on the baby's head, and the wearing is complete.

[0037] Furthermore, in this solution, the inner lining 4 has a certain thickness and is made of breathable, skin-friendly foam material. Different hardness foam materials can be selected according to the baby's skull growth. Before wearing, it is glued to the inner area of ​​the outer shell A part 1-1 and the outer shell B part 2-1. The inner lining 4 can be polished later to facilitate the adjustment of the internal space of the infant skull orthopedic fixator during the baby's treatment.

[0038] There are multiple ways to bind the twisted rope to the anchor point structure 2-2, see... Figure 5 .

[0039] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine task in design, manufacturing, and production without requiring extensive experimentation.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A screw-on fixation device for infant cranial orthopedic fixation, characterized in that: Includes housing assembly, locking structure, opening (5) and liner (4); The outer casing assembly consists of outer casing A (1-1) and outer casing B (2-1). The outer casing A (1-1) is provided with a positioning pin (1-3) at the edge facing the outer casing B (2-1), and the outer casing B (2-1) is provided with a positioning groove (2-3) at the edge facing the outer casing A (1-1). The mating point between the outer casing A (1-1) and the outer casing B (2-1) is defined as an opening (5). The sides of the outer shell A part (1-1) and the outer shell B part (2-1) are jointly equipped with a locking structure.

2. The infant cranial orthopedic fixator with screw fastener as described in claim 1, characterized in that: The locking structure includes a swivel (3), a swivel mounting base (1-2), and an anchor point structure (2-2). The outer side of the outer shell A part (1-1) is provided with a swivel mounting base (1-2), and the outer side of the outer shell B part (2-1) is provided with an anchor point structure (2-2). The anchor point structure (2-2) is integrally formed by 3D printing, and the number of anchor point structures (2-2) is set to multiple.

3. The infant cranial orthopedic fixator with screw fastener as described in claim 2, characterized in that: The swivel (3) can be installed on the swivel mounting base (1-2) through the snap-fit ​​structure.

4. The infant cranial orthopedic fixator with screw fastener as described in claim 1, characterized in that: The outer shell A part (1-1) and the outer shell B part (2-1) are provided with inner linings (4).

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