A lateral position body position auxiliary frame for intravertebral anesthesia

CN224598392UActive Publication Date: 2026-08-07NINGBO MEDICAL CENT LIHUILI HOSPITACL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO MEDICAL CENT LIHUILI HOSPITACL
Filing Date
2025-08-23
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

这直接导致穿刺困难,需要进行长时间、多次、多间隙的穿刺尝试,甚至被迫更改麻醉方案,不仅增加了神经损伤、血肿、感染等风险,也与当前快速康复外科的理念相悖

Benefits of technology

1、精准实现标准体位,提升穿刺效率:通过膝部与颈部牵引带的协同作用,被动引导患者轻松达到“头屈曲、膝贴腹”的标准姿势,有效张开棘突间隙,为麻醉医生提供更佳的穿刺路径,降低因体位不佳导致的反复穿刺风险,缩短操作时间。

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Abstract

The utility model discloses a kind of intravertebral anesthesia with lateral decubitus body position auxiliary frame, comprising: base;Support frame, the support frame is vertically installed on base;Knee traction belt, the knee traction belt is detachably installed on support frame, for pulling double knees close to support frame;Neck traction belt, the neck traction belt is detachably installed on support frame, for pulling head and neck close to support frame.The application is guided by the synergistic effect of knee and neck traction belt, and patient reaches the standard posture of "head flexion, knee paste abdomen" easily, effectively opens spinous process gap, provides better puncture path for anesthetist, reduces the risk of repeated puncture caused by poor body position, shortens operation time.
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Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary device technology, specifically to a lateral decubitus position assistive frame for spinal anesthesia. Background Technology

[0002] This section provides only background information related to this application to enable those skilled in the art to understand this application more thoroughly and accurately, and it is not necessarily prior art.

[0003] Spinal anesthesia (including subarachnoid block, epidural block, and combined blocks) is widely used and effective in clinical practice due to its advantages such as minimal disruption to systemic physiology and rapid postoperative recovery. The lateral decubitus position is most commonly used for puncture during spinal anesthesia, and the space between the superior and inferior spinous processes is the common puncture path.

[0004] Taking the direct insertion method as an example, the specific operating steps require the patient to: lie on their left or right side with their back perpendicular to the bed surface and level with the edge of the operating table, hold their knees with both hands, keep their thighs close to the abdominal wall, and bend their head towards their chest as much as possible, so that their lower back arches backward to fully open the interspinous space, making it easier for the puncture needle to enter.

[0005] However, in clinical practice, patient-related factors (such as severe pain, advanced age and frailty, obesity, or confusion) or environmental factors often limit the placement and maintenance of this ideal position. Although anesthesiologists will provide on-site guidance and assistance in turning and bending the patient, for patients with severe pain, such as those with lower limb fractures, even with intravenous analgesia or preoperative regional nerve blocks, the quality of positioning is often unsatisfactory. This directly leads to difficulties in puncture, requiring prolonged, multiple, and multi-interval puncture attempts, and may even force changes to the anesthesia plan. This not only increases the risks of nerve damage, hematoma, and infection, but also contradicts the current concept of enhanced recovery after surgery.

[0006] Therefore, there is an urgent need for a device that can help patients quickly, accurately, and stably establish and maintain a standard lateral decubitus flexion position, while improving patient comfort and compliance, in order to optimize the spinal anesthesia procedure and improve the quality and safety of anesthesia. Utility Model Content

[0007] The purpose of this utility model is to at least partially solve one of the technical problems in the related art. In view of this, a lateral decubitus position assist frame for spinal anesthesia is provided, comprising: a base; a support frame, wherein the support frame is vertically installed on the base; a knee traction belt, wherein the knee traction belt is detachably installed on the support frame for traction of both knees toward the support frame; and a neck traction belt, wherein the neck traction belt is detachably installed on the support frame for traction of the head and neck toward the support frame.

[0008] According to an example of the present invention, the main body of the support frame is a U-shaped bracket, including two support rods arranged opposite each other, and a guide block is respectively installed on the two support rods; a strap hole is provided in the middle of the guide block, and the knee traction strap and the neck traction strap are respectively threaded through one of the guide blocks.

[0009] According to an example of this utility model, the guide block is provided with a guide hole, and a guide frame passing through the guide hole is slidably mounted horizontally on each of the two guide blocks, and a guide sign is installed on the guide frame; the guide sign on the left side is provided with a first mark for guiding the head and neck to approach, and the guide sign on the right side is provided with a second mark for guiding the knees to approach.

[0010] According to one example of this utility model, a headrest is detachably installed on the left-hand sign for flexibly supporting the patient's head after the cervical traction strap pulls the patient's neck close to the head; a knee pillow is detachably installed on the right-hand sign for flexibly supporting the patient's knees after the knee traction strap pulls the patient's knees close to the head.

[0011] According to one example of the present invention, the first mark and the second mark have different marking colors; or, the first mark and the second mark have different marking patterns.

[0012] According to one example of the present invention, the support frame is equipped with a fixing seat for fixing to the bed rail, the fixing seat is threaded with a locking screw, and the lower end of the locking screw is equipped with a handle.

[0013] According to one example of the present invention, the bottom of the base is equipped with a suction cup for adsorbing and fixing to a horizontal surface, and a release knob is threaded onto the base and extends through the base into the suction cup.

[0014] According to one example of the present invention, both the knee traction belt and the neck traction belt are elastic belts, and the ends of both the knee traction belt and the neck traction belt are self-adhesively fixed to the belt body by a Velcro structure.

[0015] The following benefits can be obtained by adopting this technical solution: 1. Precisely achieve standard positioning and improve puncture efficiency: Through the synergistic effect of the knee and neck traction straps, the patient is passively guided to easily achieve the standard posture of "head flexed and knees touching the abdomen", which effectively opens the interspinous space, provides the anesthesiologist with a better puncture path, reduces the risk of repeated punctures due to poor positioning, and shortens the operation time.

[0016] 2. Enhance stability and comfort, and improve patient experience: The traction belt combined with the flexible support of the head pillow and knee pillow greatly improves the patient's comfort and tolerance while ensuring that the body position is fixed. It is especially beneficial for patients who have difficulty maintaining their body position on their own, such as those in pain, the elderly, or who are obese, to relieve their anxiety and promote cooperation.

[0017] 3. Optimized operating procedures promote standardization and safety: Visual guidance signs reduce the cost of doctor-patient communication and encourage patients to actively cooperate; multiple fixation methods (bed rail fixation, floor adhesion) ensure the absolute stability of the device; elastic bands and Velcro design make operation quick and adaptable to different body types. The overall design reduces reliance on external manpower, making patient positioning more standardized, safe, and efficient.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in 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.

[0020] Figure 1 This is a diagram of the lateral decubitus position for spinal anesthesia puncture.

[0021] Figure 2 This is a three-dimensional structural diagram of a lateral decubitus positional support frame for spinal anesthesia according to this utility model; Figure 3 This is another three-dimensional structural diagram of a lateral decubitus positional support frame for spinal anesthesia according to this utility model.

[0022] Figure 4 This is a structural diagram of the guide frame of this utility model.

[0023] Figure 5 This is a structural diagram of the sign for this utility model.

[0024] The attached diagram is labeled as follows: 1. Base, 2. Support frame, 21. Support rod, 3. Knee traction belt, 4. Neck traction belt, 5. Guide block, 51. Thread hole, 6. Guide frame, 7. Guide sign, 8. Headrest, 9. Knee pillow, 10. Fixing seat, 11. Locking screw, 12. Handle, 13. Suction cup, 14. Release knob. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0026] Please see Figures 1-5 As shown, this utility model provides a lateral decubitus positional support frame for spinal anesthesia, including: a base 1; a support frame 2, the support frame 2 being vertically mounted on the base 1; a knee traction belt 3, the knee traction belt 3 being detachably mounted on the support frame 2 for traction of both knees towards the support frame 2; and a neck traction belt 4, the neck traction belt 4 being detachably mounted on the support frame 2 for traction of the head and neck towards the support frame 2.

[0027] The base 1 and support frame 2 form the stable foundation and core support structure of the entire device, ensuring the overall stability of the auxiliary frame during use and preventing it from tipping over due to patient leaning or traction, thus providing basic protection for safe operation. The knee traction strap 3 is specifically designed to address the positional requirement of hugging the knees with the thighs close to the abdominal wall. Through detachable traction, it passively assists or forces the patient to flex both knees and bring them closer to the chest and abdomen. Even if the patient is unable to actively complete or maintain this position due to pain, weakness, or confusion (such as after sedation), the device can still help them achieve the standard position. This reduces the difficulty of puncture caused by poor positioning. The neck traction strap 4 is specifically designed to address the positional requirement of flexing the head towards the chest. It effectively guides and restricts the patient's head position, causing the chin to retract towards the chest, thereby promoting a backward arching of the lower back and fully exposing the interspinous space, which is especially important for patients with neck weakness or poor cooperation.

[0028] The combined traction of the knee and neck allows the patient's spine to flex to the maximum extent, forming an ideal arc-shaped back. This significantly widens the interspinous space, providing anesthesiologists with a clearer target and greater operating space. This fundamentally improves the success rate and efficiency of punctures and reduces the risk of tissue damage and infection caused by repeated punctures.

[0029] According to an example of the present invention, the main body of the support frame 2 is a U-shaped bracket, including two support rods 21 arranged opposite to each other, and a guide block 5 is respectively installed on the two support rods 21. A strap hole 51 is provided in the middle of the guide block 5, and the knee traction strap 3 and the neck traction strap 4 are respectively threaded through one of the guide blocks 5.

[0030] The U-shaped bracket provides two symmetrical and stable fixing points, ensuring the balance of traction force. The threading hole 51 on the guide block 5 facilitates the threading and fixing of the traction belt, and plays a positioning role for the traction belt.

[0031] According to one example of the present invention, the guide block 5 is provided with a guide hole, and a guide frame 6 passing through the guide hole is horizontally slidably installed on each of the two guide blocks 5. A guide sign 7 is installed on the guide frame 6; the guide sign 7 on the left side is provided with a first mark for guiding the head and neck to approach, and the guide sign 7 on the right side is provided with a second mark for guiding the knees to approach.

[0032] The guide frame 6 and the guide sign 7 constitute a visual positioning guidance system. The left side guides the head and neck, and the right side guides the knees, providing clear and intuitive operational goals for both patients and medical staff. For conscious and cooperative patients, the clear signs (first sign, second sign) guide them to move autonomously and actively towards the indicated positions, transforming passive traction into active cooperation. This not only improves the accuracy of positioning but also enhances patient participation and self-efficacy, alleviating anxiety. For medical staff, visual guidance standardizes the operational process, eliminating the need for repeated verbal instructions or manual adjustments, thus improving work efficiency and consistency in positioning. Furthermore, the sliding guide frame 6 can be equipped with damping; by horizontally adjusting the distance between the left and right guide frames 6, it can accommodate patients of different body types.

[0033] According to one example of this utility model, a headrest 8 is detachably installed on the left guide sign 7 to flexibly support the patient's head after the cervical traction strap pulls the patient's neck close to the head; a knee pillow 9 is detachably installed on the right guide sign 7 to flexibly support the patient's knees after the knee traction strap pulls the patient's knees close to the head.

[0034] The head pillow 8 and knee pillow 9 are made of flexible materials, providing soft and comfortable support for the patient's head and knees after being guided by the traction strap. This design greatly improves patient comfort in the immobilized position, especially for patients who need to maintain the position for extended periods or who are relatively thin or have prominent bones, effectively avoiding pressure pain or discomfort caused by hard components. The increased comfort helps improve patient tolerance and cooperation, enabling them to maintain a more stable position and reduce movement due to discomfort, thus creating a more stable and safer puncture environment for the physician.

[0035] According to one example of this invention, the aforementioned first and second marks have different marking colors (e.g., a green arrow mark represents the knee, and a blue arrow mark represents the neck); or, the first and second marks have different marking patterns (simply drawing a simple line drawing of the knee and a simple line drawing of the head and neck). Differentiating functions through different colors or patterns conforms to ergonomic principles. This differentiated design enables rapid and unambiguous identification, allowing medical staff and patients to instantly understand instructions even in the stressful environment of an operating room, reducing the possibility of misoperation and further accelerating the patient positioning process.

[0036] According to one example of the present invention, a fixing seat 10 for fixing to the bed rail is installed on the support frame 2, and a locking screw 11 is threaded on the fixing seat 10, and a handle 12 is installed at the lower end of the locking screw 11.

[0037] The mounting base 10 and locking screw 11 allow the entire auxiliary frame to be securely fixed to the bed rails of the operating table. This fixing method greatly enhances the device's resistance to interference. Regardless of how the patient moves or traction is applied, the auxiliary frame itself will not shift or wobble, and its stability is far superior to that of a device supported solely by a base.

[0038] According to one example of the present invention, a suction cup 13 for adsorbing and fixing to a horizontal surface is installed at the bottom of the base 1, and a release knob 14 extending through the base 1 and into the suction cup is threaded onto the base 1.

[0039] The suction cup 13 provides a quick, easy, and non-invasive mounting method. It can be attached to smooth surfaces simply by pressing down, requiring no tools for rapid installation. The release knob 14 makes disassembly equally convenient; turning the knob upwards and pulling it out breaks the vacuum, allowing for easy movement of the device. This convenient operation improves the flexibility and turnover efficiency of the equipment.

[0040] According to one example of the present invention, both the knee traction belt 3 and the neck traction belt 4 are elastic belts, and the ends of both the knee traction belt 3 and the neck traction belt 4 are self-adhesively fixed to the belt body by a Velcro structure.

[0041] Elastic bands have a certain degree of elasticity, providing effective traction while avoiding excessive rigid tension that could cause patient discomfort or skin damage. This flexible restraint is more in line with ergonomic and safety requirements. The Velcro structure allows for stepless adjustment of the band's length and quick attachment and removal. This makes it easily adaptable to patients of different body types and weights, enabling personalized tightness adjustments and making it highly versatile.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0043] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

[0045] For those skilled in the art, various changes and modifications will undoubtedly be apparent after reading the above description. Therefore, the appended claims should be considered as covering all changes and modifications that encompass the true intent and scope of this utility model. Any and all equivalent scope and content within the scope of the claims should be considered as still falling within the intent and scope of this utility model.

Claims

1. A lateral decubitus positioning aid for spinal anesthesia, characterized in that, include: Base; A support frame, which is vertically mounted on a base; A knee traction strap, which is detachably mounted on a support frame, is used to pull both knees closer to the support frame; A neck traction strap, which is detachably mounted on a support frame, is used to pull the head and neck close to the support frame.

2. The lateral decubitus positional support frame for spinal anesthesia according to claim 1, characterized in that, The main body of the support frame is a U-shaped bracket, including two support rods arranged opposite each other, and a guide block is respectively installed on each of the two support rods; a strap hole is provided in the middle of the guide block, and the knee traction strap and the neck traction strap are respectively threaded through one of the guide blocks.

3. The lateral decubitus positional support frame for spinal anesthesia according to claim 2, characterized in that, The guide block is provided with a guide hole, and a guide frame passing through the guide hole is horizontally slidably installed on each of the two guide blocks, and a guide sign is installed on the guide frame; The sign on the left has a first marker to guide the head and neck closer, and the sign on the right has a second marker to guide the knees closer.

4. The lateral decubitus positional support frame for spinal anesthesia according to claim 3, characterized in that, The sign on the left is detachably equipped with a headrest, which is used to flexibly support the patient's head after the cervical traction strap pulls the patient's neck close to the head; The sign on the right is detachably equipped with a knee pillow, which is used to flexibly support the patient's knees after the knee traction strap pulls the patient's knees close together.

5. A lateral decubitus positional support frame for spinal anesthesia according to claim 3, characterized in that, The first mark and the second mark have different marking colors; or, the first mark and the second mark have different marking patterns.

6. The lateral decubitus positional support frame for spinal anesthesia according to claim 1, characterized in that: The support frame is equipped with a fixing seat for fixing to the bed rail, and a locking screw is threaded onto the fixing seat. A handle is installed at the lower end of the locking screw.

7. The lateral decubitus positional support frame for spinal anesthesia according to claim 1, characterized in that: The base has a suction cup at its bottom for adhering to and fixing to a horizontal surface, and a release knob is threaded onto the base, extending through the base and into the suction cup.

8. The lateral decubitus positional support frame for spinal anesthesia according to claim 1, characterized in that: Both the knee traction belt and the neck traction belt are elastic belts, and the ends of both the knee traction belt and the neck traction belt are self-adhesive to the belt body using a Velcro structure.