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Lateral pharyngeal wall distraction device and implantation method

The technology of a traction device and a traction mechanism is applied in the field of pharyngeal lateral wall traction device and implantation to achieve the effects of maintaining swallowing function, reducing influence and preventing obstruction

Active Publication Date: 2017-12-01
张湘民 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, there is no effective implantable medical device to treat OSA caused by the collapse and obstruction of the lateral pharyngeal wall

Method used

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  • Lateral pharyngeal wall distraction device and implantation method
  • Lateral pharyngeal wall distraction device and implantation method
  • Lateral pharyngeal wall distraction device and implantation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] Embodiment 1 Bone nail type pharyngeal wall traction device of the present invention

[0104] refer to figure 1 and Figure 1-2 , the pharyngeal lateral wall traction device 9 in this embodiment includes a bone fixator 1 , a traction mechanism 2 , and a pharyngeal lateral wall fixator 3 .

[0105] The bone fixator 1 is provided with a bone fixation mechanism 11 that can be fixed on the alveolar process 81 and a wire connection mechanism 12 that can fix the traction wire; the bone fixation mechanism 11 and the connection mechanism 12 are connected together. In this embodiment, a detachable threaded connection is adopted between the bone fixation mechanism 11 and the connection mechanism 12 .

[0106] In this embodiment, the bone fixation mechanism 11 is a threaded bone nail 11-1 made of titanium alloy that can be implanted in the human body for a long time. The threaded design can better ensure that the bone nail 11-1 is not easy to loosen when it is implanted into th...

Embodiment 2

[0119] Embodiment 2 Bone nail type pharyngeal lateral wall traction device with elastic generator of the present invention

[0120] refer to Figure 2 to Figure 2-3 The difference between this embodiment and Embodiment 1 is that in this embodiment, the traction mechanism 2 includes an elastic force generator 21 capable of generating elastic pulling force. Since the traction mechanism 2 is provided with an elastic force generator 21, when the traction mechanism 2 is subjected to a large external force, the elastic force generator 21 can produce a buffering effect, so that the traction mechanism 2 will not be affected by The large external force correspondingly produces excessive pulling force, causing discomfort to the patient and affecting swallowing.

[0121] The elastic force generator 21 includes a spring mechanism 21-1, a housing 21-2 and a slider 21-3. The spring mechanism 21-1 and the slider 21-3 are movably installed in the casing 21-2, and the traction mechanism 2 ca...

Embodiment 3

[0124] Embodiment 3 Pharyngeal lateral wall traction device of bracket type bone fixator of the present invention

[0125] refer to image 3 and Figure 3-2 The difference between this embodiment and Embodiment 2 is that in this embodiment, the bone fixation mechanism 11 of the bone fixator 1 includes a bracket 11-4. The bracket 11-4 includes two supporting legs 11-4-1, which are arranged on the left and right sides. The supporting legs 11-4-1 on the left and right sides can be respectively embedded in the through hole 83-1-1 on the inner plate 83-1 of the wing protrusion 83 and the through hole 83-1-1 on the outer plate 83-2. 2-1, forming a fixed support, refer to Figure 3-2

[0126] refer to Figure 3-2 , in clinical operation:

[0127] Step 1: Under local anesthesia or general anesthesia, insert the mouth gag, make a longitudinal mucosal incision on the surface of the wing hook 82, separate and expose the wing process 83, and open an opening on the inner plate 83-1 o...

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Abstract

The lateral pharyngeal wall traction device, because the lateral pharyngeal wall traction device of the present invention, includes a bone fixator, a traction mechanism, and a lateral pharyngeal wall fixator. Fix the lateral pharyngeal wall fixator on the velopharyngeal muscle or other submucosal tissue of the lateral pharyngeal wall, with the bone fixator fixed on the alveolar process or wing hook or pterygoid process as the fulcrum, and one end of the traction mechanism is connected to the bone fixator The other end is connected to the lateral pharyngeal wall fixator to pull the submucosal tissue of the lateral pharyngeal wall outward. The elastic pulling force generated by the traction mechanism is greater than the collapse force of the pharyngeal side wall generated by the negative pressure during inhalation, but smaller than the contraction force generated by the muscles of the pharyngeal side wall during swallowing. In this way, it not only prevents the obstruction caused by the collapse of the pharyngeal side wall caused by the negative pressure generated by inhalation, and achieves the purpose of treating OSA; at the same time, it minimizes the impact on swallowing function and maintains good swallowing function.

Description

technical field [0001] The invention relates to a traction device and implantation method implanted in the oral cavity of a human body to pull the submucosal tissue of the side wall of the pharynx to the outside, especially for treating adult obstructive sleep apnea hypopnea syndrome (Obstructivesleep apnea / hypopnea syndrome, hereinafter referred to as: OSA) lateral pharyngeal wall traction device and implantation method. Background technique [0002] Adult obstructive sleep apnea-hypopnea syndrome is a sleep-disordered breathing disorder characterized by snoring and apnea due to the collapse and blockage of the upper airway during sleep. The main hazard of OSA is that frequent sleep apnea and hypoventilation lead to a decrease in blood oxygen saturation during long-term sleep, which leads to a series of pathological changes in the human body and becomes a variety of systemic diseases (diabetes, hypertension, coronary heart disease, cerebral palsy, etc.) vascular accident, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F5/56A61B17/24
CPCA61B17/02A61B17/0401A61B2017/0417A61B2017/044A61B2017/0448A61B2017/0464A61B2017/0496A61F2/20A61F5/566A61B17/24A61B2017/248A61F5/56
Inventor 张湘民周星徐华苹韦家江刘磷海
Owner 张湘民