WO2022217901A1 - 一种充气式颈部固定器 - Google Patents

一种充气式颈部固定器 Download PDF

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Publication number
WO2022217901A1
WO2022217901A1 PCT/CN2021/128616 CN2021128616W WO2022217901A1 WO 2022217901 A1 WO2022217901 A1 WO 2022217901A1 CN 2021128616 W CN2021128616 W CN 2021128616W WO 2022217901 A1 WO2022217901 A1 WO 2022217901A1
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WO
WIPO (PCT)
Prior art keywords
neck
inflatable
air bag
airbag
fixator according
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PCT/CN2021/128616
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English (en)
French (fr)
Inventor
章少伟
邹斯乐
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广州纽得赛生物科技有限公司
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Publication of WO2022217901A1 publication Critical patent/WO2022217901A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/055—Cervical collars
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/02—Orthopaedic corsets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
    • A61F5/048—Traction splints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058—Splints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058—Splints
    • A61F5/05816—Inflatable splints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/30—Pressure-pads
    • A61F5/32—Adjustable pressure pads

Definitions

  • This patent relates to a neck fixer, in particular to an inflatable neck fixer.
  • the existing cervical spine fixator in order to stabilize and maintain the biomechanical structure of the cervical spine, spacers are usually arranged on the inner circumference of the cervical spine fixator to provide support and traction for the neck, and the back part of the neck is usually made of fixed model products.
  • the sponge pad cannot adjust the thickness or curvature to fit different curves of the cervical vertebra, and cannot change the traction force, which affects the traction and fixation effect.
  • An inflatable neck fixer includes an inflatable mechanism, a front assembly and a rear assembly.
  • the front assembly is U-shaped and extends from the front neck of the human body to the left and right sides of the neck.
  • the rear assembly is supported on the back neck of the human body and cooperates with the front assembly.
  • the neck of the human body is clamped, the rear component includes an airbag, the airbag resists the back neck of the human body, the airbag is connected with the inflation mechanism, and the inflation mechanism fills the airbag with gas to adjust the size of the airbag.
  • the inflation mechanism includes a pressing pump and a trachea
  • the pressing pump includes an air inlet and an air outlet
  • the trachea is connected to the air outlet and the air bag, and the air is injected into the air bag when the pressing pump acts.
  • the inflation mechanism includes an exhaust valve located in the tracheal tube pathway or on the bladder.
  • the exhaust valve is a push-type exhaust button.
  • the inflation mechanism includes a quick connector, and the quick connector is located between the trachea and the airbag.
  • front assembly and the rear assembly can be detachably connected by using a detachable manner such as a buckle structure or bonding with a connecting tape.
  • the rear assembly includes a support member and an adjustment button
  • the support member is an arc-shaped plate member, located behind the airbag, and a plurality of vertical lifting grooves are opened on the support member
  • the adjustment button is connected with the airbag
  • the adjustment button is in the lifting groove. Slide up and down to drive the airbag to move and adjust the height.
  • the pressing pump is an elastic and soft cavity capsule, and a one-way valve is installed at the air inlet and the air outlet.
  • the front assembly includes a chin support piece and an adjustment mechanism, and the adjustment mechanism adjusts the height of the chin support piece.
  • the adjustment mechanism includes a ratchet, an adjustment bar and a limit pin
  • the limit pin is linked with the lower jaw bracket
  • the adjustment bar is provided with a rack
  • the rack is meshed with the ratchet
  • the end of the adjustment bar is connected with the limit pin
  • the ratchet rotates to make The adjustment bar moves so that the limit pin slides.
  • the airbag at the back of the neck and its supporting inflatable mechanism can be adjusted according to the user's needs to make it fit the cervical vertebrae with different physiological curves, so that the head is in the backward position and the cervical vertebrae present a natural curvature , the back of the neck and the back of the airbag are used as the support point, and the back of the head is held up, so as to achieve the effect of opening the intervertebral space;
  • the chin bracket and its adjustment mechanism are set up to adjust the height and angle of the chin bracket to fit various jaw shapes and different neck lengths.
  • the chin bracket resists the lower jaw and cooperates to form a supporting force to provide better Neck fixed support;
  • the height of the airbag at the back of the neck can be adjusted to adjust the support point of the back of the neck to improve comfort.
  • Figure 1 is a perspective view of an inflatable neck immobilizer
  • Figure 2 is a perspective view of the internal structure of the inflatable neck anchor
  • Figure 3 is a perspective view of the rear assembly of the inflatable neck restraint visible.
  • a preferred embodiment of the present patent is an inflatable neck fixer, including a rear component 1, a front component 2 and an inflatable mechanism 3, the front component 2 is sleeved on the front side of the human neck, and the rear component 1 is supported on On the back side of the human neck, the front component 2 and the rear component 1 are detachably connected, and the two ends of the rear component 1 are provided with connecting straps 12, which are fastened to the buckle areas 242 at both ends of the front component 2 through the connecting straps 12. Deductions, rebates and other common deduction methods.
  • the rear assembly 1 includes a support member 11 , a connecting belt 12 , an air bag 13 , and an adjustment knob 14 .
  • the support member 11 is an arc-shaped member, and two gourd-shaped vertical lifting grooves are opened on the arc-shaped member. 111.
  • Two adjustment buttons 14 are provided at the corresponding positions on the back of the airbag 13. The adjustment buttons 14 slide in the lifting groove 111 and are clamped at the required height of the gourd-shaped lifting groove 111 to realize the height adjustment function of the airbag 13.
  • the front assembly 2 includes a lower jaw bracket 21 , an adjustment mechanism 22 , a front housing 23 , a front connector 24 , a bracket connector 25 and a limit pin 29 .
  • the front connecting piece 24 is U-shaped and has an arc, and its left and right ends are provided with lifting guide grooves 241 , and the lifting guide groove 241 is a guide groove with a height displacement difference. Both ends of the front connector 24 are connected with both ends of the bracket connector 25, both ends of the bracket connector 25 are provided with adjustment guide grooves 251, and the two ends are connected to the connector 24 by positioning rivets; the adjustment guide groove 251 has a horizontal displacement difference and is arc-shaped.
  • the adjustment mechanism 22 includes a knob 221 , a ratchet 222 and an adjustment bar 223 .
  • the adjusting bar 223 is in the shape of an arc-shaped strip, and there are two on the left and right. It is installed on the front side of the front connecting piece 24.
  • the ratchet 222 is connected with the knob 221 .
  • the ratchet wheel 222 rotates, which drives the adjusting bar 223 to move forward and backward, and then drives the limit pin 29 to slide, so that the support piece 25 is flipped up and down to realize the lifting function of the chin support piece 21.
  • a front case 23 is preferably provided.
  • the front case 23 covers the front side of the front connector 24, and covers the two adjusting bars 223 and the inflation mechanism 3.
  • the adjusting bars 223 are made of soft materials.
  • the inflation mechanism 3 includes a pressing pump 31 , an air pipe 32 , an exhaust valve 33 , and a quick connector 34 .
  • the inflation mechanism 3 is hidden inside the front assembly 2 , and only the pressing pump 31 and the exhaust valve 33 are exposed.
  • the pressing pump 31 is an elastic and soft cavity capsule, which is located at the front neck and chest of the human body, which is convenient for pressing.
  • the pressing pump 31 includes an air inlet 311 and an air outlet 312 , and the trachea 32 connects the air outlet 312 and the air bag 13 .
  • a check valve is installed at the air inlet 311 and the air outlet 312. The two check valves are reversed.
  • the air outlet 312 is connected to the air pipe 32, and the air pipe 32 is connected to the exhaust valve 33. Exhaust, reset and pop up when no force is applied.
  • a quick connector 34 is installed at the end of the trachea 32, which can be quickly disassembled, so as to facilitate the disassembly of the rear assembly 1.
  • the size of the airbag 13 can be adjusted independently according to the needs of the user, so that it can be adapted to the cervical vertebrae with different physiological curves, so that the head is in a backward position and the cervical vertebrae present a natural curvature. Push up to open the intervertebral space.
  • this patent is provided with an airbag at the back of the neck and its matching inflating mechanism, which can adjust the size of the airbag according to the user's needs, so that it can be adapted to the cervical vertebrae with different physiological curves, so that the head is in the backward position and the cervical vertebrae are presented.
  • Natural curvature, the back of the airbag is the support point, holding the back of the head upward, so as to achieve the effect of opening the intervertebral space; it is equipped with a press pump and a button-type exhaust valve, which is simple and compact, and can be quickly inflated and discharged as needed.
  • the chin support piece and its adjustment mechanism are set up to adjust the height and angle of the chin support piece to fit various jaw shapes and different neck lengths.
  • the neck is fixed and supported; the height of the airbag at the back of the neck can be adjusted to adjust the support point of the back of the neck to improve comfort.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

一种充气式颈部固定器，包括充气机构（3）、前组件（2）、后组件（1），前组件（2）呈U形，从人体前颈处向颈部左右两侧延伸，后组件（1）支撑于人体后颈，与前组件（2）配合夹持人体颈部，后组件（1）包括气囊（13），气囊（13）抵挡于人体后颈处，气囊（13）与充气机构（3）连接，充气机构（3）往气囊（13）充入气体调节气囊（13）大小。该充气式颈部固定器可根据使用者所需调节气囊（13）大小，使其适配与不同生理曲线的颈椎，让头部处于后仰位颈椎呈现自然曲度，气囊（13）以后颈背部为支撑点，托住后脑勺向上顶，从而达到拉开椎间隙的效果。

Description

一种充气式颈部固定器 技术领域
本专利涉及颈部固定器，具体涉及一种充气式颈部固定器。
背景技术
现有的颈椎固定器，为了稳定保持颈椎的生物力学结构，通常会在颈椎固定器的内围配合设置垫片，对颈部提供支撑力和牵引力，后颈部分通常采用固定模型产品做的海绵垫，无法调节厚度或曲度来适配不同曲线的颈椎，无法改变牵引力度，影响牵引和固定效果，在佩戴时使用体验感较差，有待改进。
发明内容
为了克服现有技术不足，现提出一种可调节气囊大小的充气式颈部固定器。
本专利通过如下技术方案实现：
一种充气式颈部固定器，包括充气机构、前组件、后组件，前组件呈U形，从人体前颈处向颈部左右两侧延伸，后组件支撑于人体后颈，与前组件配合夹持人体颈部，后组件包括气囊，气囊抵挡于人体后颈处，气囊与充气机构连接，充气机构往气囊充入气体调节气囊大小。
进一步地，所述充气机构包括按压泵和气管，按压泵包括进气口、出气口，气管连接出气口和气囊，按压泵动作时将气体打入气囊内。
进一步地，所述充气机构包括排气阀，排气阀位于气管管道途径中或气囊上。
进一步地，所述排气阀为按压式排气钮。
进一步地，所述充气机构包括快接头，快接头位于气管与气囊之间。
进一步地，所述前组件、后组件之间可拆卸连接，使用卡扣结构或连接带粘合等可拆卸方式。
进一步地，所述后组件包括支撑件和调节钮，支撑件为弧形板件，位于气囊后方，支撑件上开设有若干竖向的升降槽，调节钮与气囊连接，调节钮于升降槽内上下滑动，带动气囊移动调节高度。
进一步地，所述按压泵为弹性软质的空腔囊体，进气口和出气口处均安装有单向阀。
进一步地，所述前组件包括下颚托片和调节机构，调节机构调节下颚托片高度。
进一步地，所述调节机构包括棘轮、调节条和限位钉，限位钉联动下颚托片，调节条上设置有齿条，齿条与棘轮啮合，调节条末端连接限位钉，棘轮旋转使调节条移动，使限位钉滑动。
本专利相对于现有技术，具有以下有益效果：
1、设置了后颈部位的气囊及其配套的充气机构，可根据使用者所需调节气囊大小，使其适配与不同生理曲线的颈椎，让头部处于后仰位颈椎呈现自然曲度，气囊以后颈背部为支撑点，托住后脑勺向上顶，从而达到拉开椎间隙的效果；
2、设置了按压泵及按压钮式的排气阀，简约小巧，可根据需要快速充气及排气；
3、设置了下颚托片及其调节机构，用于调整下颚托片的高度和角度，以契合于各类下颚形状和不同颈长，下颚托片抵挡下颚，配合形成支撑力，提供更好的颈部固定支撑作用；
4、后颈处气囊高度可调节，用于调整后颈支撑点，提高舒适度。
附图说明
图1为充气式颈部固定器的立体图；
图2为充气式颈部固定器的内部结构的立体图；
图3为充气式颈部固定器的后组件可视的立体图。
附图标记说明如下：1-后组件；11-支撑件；111-升降槽；12-连接带；13-气囊；14-调节钮；；2-前组件；21-下颚托片；22-调节机构；221-旋钮；222-棘轮；223-调节条；224-齿条；23-前壳体；24-前连接件；241-抬升导槽；242-扣合区；25-托片连接件；251-调节导槽；29-限位钉；；3-充气机构；31-按压泵；311-进气口；312-出气口；32-气管；33-排气阀；34-快接头。
具体实施方式
为了使本专利的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本专利进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本专利，并不用于限定本专利。
如图1所示，本专利较佳实施例一种充气式颈部固定器，包括后组件1、前组件2和充气机构3，前组件2套设在人体脖颈前侧，后组件1支撑在人体脖颈后侧，前组件2与后组件1间可拆卸连接，后组件1两端设置有连接带12，通过连接带12扣连在前组件2两端的扣合区242，采用魔术贴、卡扣、回折扣等常用扣合方式。
如图3所示，后组件1包括支撑件11、连接带12、气囊13、调节钮14，支撑件11为弧形件，弧形件上开设有两道葫芦状的竖直向的升降槽111，气囊13背部相应位置设置有两个调节钮14，调节钮14在升降槽111内滑动，并卡持在葫芦状 升降槽111所需高度位置，实现气囊13高度调节功能。
请综合参阅图1～图3，前组件2包括下颚托片21、调节机构22、前壳体23、前连接件24、托片连接件25和限位钉29。前连接件24呈U型，且具有弧度，其左右两端均开设有抬升导槽241，抬升导槽241为具有高度位移差的导向槽。前连接件24的两端与托片连接件25的两端相连，托片连接件25两端均开设有调节导槽251，连个末端端使用定位铆钉连接在连接件24上；调节导槽251具有水平的位移差，且呈弧形。装配状态下，抬升导槽241和调节导槽251交叉并合，同时使用限位钉29贯穿进入抬升导槽241和调节导槽251这两个导槽内，限位钉29滑动时，托片连接件25以两个末端的定位铆钉为转轴，上下运动，从而带动下颚托片21调整高度。限位钉29的滑动使用调节机构22调节。调节机构22包括旋钮221、棘轮222、调节条223。调节条223呈弧形条片状，左右设置有两个，安装在前连接件24前侧，调节条223的后端连接限位钉29，前端设置有齿条224，齿条224与棘轮222啮合，棘轮222与旋钮221连接。当使用者旋转旋钮221时，棘轮222旋转，带动调节条223前后移动，进而带动限位钉29滑动，使托片连接件25上下翻动，实现下颚托片21的升降功能。为了美观，优选设置有前壳体23，前壳体23包覆在前连接件24前侧，将两个调节条223及充气机构3包覆在内，调节条223选用软质材料。
如图2所示，充气机构3包括按压泵31、气管32、排气阀33、快接头34，充气机构3隐藏于前组件2内部，只裸露出按压泵31以及排气阀33。
所述按压泵31为弹性软质的空腔囊体，位于人体前颈胸处，便于按压。按压泵31包括进气口311、出气口312，气管32连接出气口312和气囊13，按压泵31动作时将气体打入气囊13内。进气口311和出气口312处均安装有单向阀，两个单向阀反向，出气口312连接气管32，气管32连接排气阀33，排气阀33为按压式， 压下时排气，不施力时复位弹起。气管32末端安装有快接头34，可快速拆卸，便于拆开后组件1。本专利可根据使用者所需自主调节气囊13大小，使其适配与不同生理曲线的颈椎，让头部处于后仰位颈椎呈现自然曲度，气囊13以后颈背部为支撑点，托住后脑勺向上顶，从而达到拉开椎间隙的效果。
综上，本专利设置了后颈部位的气囊及其配套的充气机构，可根据使用者所需调节气囊大小，使其适配与不同生理曲线的颈椎，让头部处于后仰位颈椎呈现自然曲度，气囊以后颈背部为支撑点，托住后脑勺向上顶，从而达到拉开椎间隙的效果；设置了按压泵及按压钮式的排气阀，简约小巧，可根据需要快速充气及排气；设置了下颚托片及其调节机构，用于调整下颚托片的高度和角度，以契合于各类下颚形状和不同颈长，下颚托片抵挡下颚，配合形成支撑力，提供更好的颈部固定支撑作用；后颈处气囊高度可调节，用于调整后颈支撑点，提高舒适度。
以上所述仅为本专利的优选实施例，并非因此限制本专利的专利范围，凡是利用本专利说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括。

Claims (10)

  1. 一种充气式颈部固定器，其特征在于：包括充气机构(3)、前组件(2)、后组件(1)，前组件(2)呈U形，从人体前颈处向颈部左右两侧延伸，后组件(1)支撑于人体后颈，与前组件(2)配合夹持人体颈部，后组件(1)包括气囊(13)，气囊(13)抵挡于人体后颈处，气囊(13)与充气机构(3)连接，充气机构(3)往气囊(13)充入气体调节气囊(13)大小。
  2. 根据权利要求1所述的充气式颈部固定器，其特征在于：所述充气机构(3)包括按压泵(31)和气管(32)，按压泵(31)包括进气口(311)、出气口(312)，气管(32)连接出气口(312)和气囊(13)，按压泵(31)动作时将气体打入气囊(13)内。
  3. 根据权利要求2所述的充气式颈部固定器，其特征在于：所述充气机构(3)包括排气阀(33)，排气阀(33)位于气管(32)管道途径中或气囊(31)上。
  4. 根据权利要求3所述的充气式颈部固定器，其特征在于：所述排气阀(33)为按压式排气钮。
  5. 根据权利要求2所述的充气式颈部固定器，其特征在于：所述充气机构(3)包括快接头(34)，快接头(34)位于气管(32)与气囊(13)之间。
  6. 根据权利要求5所述的充气式颈部固定器，其特征在于：所述前组件(2)、后组件(1)之间可拆卸连接。
  7. 根据权利要求2所述的充气式颈部固定器，其特征在于：所述后组件(1)包括支撑件(11)和调节钮(14)，支撑件(11)为弧形板件，位于气囊(13)后方，支撑件(11)上开设有若干竖向的升降槽(111)，调节钮(14)与气囊(13)连接，调节钮(14)于升降槽(111)内上下滑动，带动气囊(13)移动调节高度。
  8. 根据权利要求1～7任一所述的充气式颈部固定器，其特征在于：所述按压泵(31)为弹性软质的空腔囊体，进气口(311)和出气口(312)处均安装有单向阀。
  9. 根据权利要求1～7任一所述的充气式颈部固定器，其特征在于：所述前组件(2)包括下颚托片(21)和调节机构(22)，调节机构(22)调节下颚托片(21)高度。
  10. 根据权利要求9所述的充气式颈部固定器，其特征在于：所述调节机构(22)包括棘轮(222)、调节条(223)和限位钉(29)，限位钉(29)联动下颚托片(21)，调节条(223)上设置有齿条(224)，齿条(224)与棘轮(222)啮合，调节条(223)末端连接限位钉(29)，棘轮(222)旋转使调节条(223)移动，使限位钉(29)滑动。
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