Neurosurgery sitting and standing recovery nursing auxiliary device

Abstract

The invention relates to the technical field of neurosurgery, in particular to a neurosurgery sitting recovery nursing auxiliary device which comprises a base, a lower body plate is slidably connected to the top of the base, an upper body plate and a leg plate are rotatably connected to the two sides of the lower body plate respectively, and two back plates are slidably connected to the top of the upper body plate; the tops of the two back plates are both fixedly provided with oscillation clothes, the inner walls of the two oscillation clothes are both fixedly provided with inner pillows, and the sides, close to each other, of the two inner pillows are both fixedly provided with a plurality of sets of first electrode plates. The chest wall of a patient is stimulated through the oscillation clothes, deep respiration and effective sputum excretion of the patient are promoted, the risk of pulmonary infection is reduced, the first electrode slice in the spiral design can be tightly attached to the intercostal curve of the human body, the contact area between the electrode slice and the skin is increased, the uniformity and conduction efficiency of electrical stimulation are improved, the spiral structure has flexibility, and the electrical stimulation effect is improved. The electrode plate can deform along with breathing and movement of a patient, and discomfort caused by a traditional rigid electrode plate can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of neurosurgery, and particularly relates to a nursing assistance device for sitting and standing recovery in neurosurgery. Background Art

[0002] Neurosurgical patients often have their respiratory functions affected by their conditions. The sitting position can better expand the chest cavity, increase lung capacity, and promote the discharge of sputum. In addition, long-term bed rest is likely to cause pressure sores. Using a nursing assistance device for sitting and standing recovery can regularly place the patient in a sitting position to relieve local body pressure. At the same time, the sitting position can make the body posture closer to the physiological state, which is beneficial to blood circulation and reduces the possibility of deep vein thrombosis in the lower extremities. Appropriate changes in the sitting position also help to promote cerebrospinal fluid circulation and are helpful for the recovery of nerve function to a certain extent.

[0003] Currently, the existing technology lacks effective respiratory assistance functions and cannot effectively promote deep breathing and sputum discharge in patients, increasing the risk of lung infection. In addition, to promote muscle activation and motor function recovery, electrode patches are usually used to activate the target muscle groups through functional electrical stimulation or electromyographic stimulation. However, most traditional electrode patches are rigidly designed and cannot closely fit the intercostal curve of the human body, resulting in a small contact area with the skin and low uniformity and conduction efficiency of electrical stimulation. This not only affects the sitting and standing recovery and treatment effects but also easily brings discomfort to the patient, thereby reducing the practicality of the device. Summary of the Invention

[0004] The purpose of the present invention is to solve the drawback of poor sitting and standing recovery effect of the device in the existing technology, and to propose a nursing assistance device for sitting and standing recovery in neurosurgery.

[0005] To achieve the above purpose, the present invention adopts the following technical solution: A nursing assistance device for sitting and standing recovery in neurosurgery, including a base. A lower body plate is slidably connected to the top of the base. An upper body plate and a leg plate are respectively rotatably connected to both sides of the lower body plate. An electric retraction member is fixedly connected to the bottom of the lower body plate, and the end of the electric retraction member away from the lower body plate is fixedly connected to the bottom of the leg plate. A lifting assembly is arranged below the upper body plate. Two back plates are slidably connected to the top of the upper body plate. Oscillating clothes are fixedly installed on the tops of the two back plates. Two groups of adjustment components are arranged below the back plates. A high-frequency chest wall oscillator is arranged on one side of the base. Introduction pipes are fixedly connected between the two oscillating clothes and the high-frequency chest wall oscillator respectively. Inner position pillows are fixedly installed on the inner walls of the two oscillating clothes, and multiple groups of first electrode patches are fixedly installed on the sides of the two inner position pillows close to each other. Multiple groups of the first electrode patches are all spirally arranged.

[0006] Preferably, the lifting assembly includes an electric lifting rod fixedly installed on the top of the base. A rotating groove is formed at the bottom of the upper body plate. The telescopic end of the electric lifting rod is rotatably connected to an inner shaft, and the inner shaft is slidably connected to the rotating groove.

[0007] Preferably, a headrest is fixedly installed on the top of the upper body plate. The headrest is located at one end of the upper body plate away from the lower body plate. Side pillows are fixedly installed on both sides of the top of the upper body plate.

[0008] Preferably, two sets of limiting grooves are formed at the bottom of the upper body plate. Two outer pulling members are respectively slidably connected to the two sets of limiting grooves, and the two outer pulling members are respectively fixedly connected to the two back plates.

[0009] Preferably, two limiting sliding grooves are formed at the bottom of the upper body plate, and a plurality of clamping grooves are formed in the limiting sliding grooves. The plurality of clamping grooves are linearly distributed in the limiting sliding grooves. The two sets of adjusting assemblies correspond to the two outer pulling members respectively. The adjusting assembly includes a connecting member fixedly installed at the end of the outer pulling member. A limiting disc is fixedly installed on the side wall of the connecting member. The limiting disc is slidably connected to the corresponding limiting sliding groove. A rotating clamping member is arranged on the connecting member, and a clamping block on the rotating clamping member is clamped with the corresponding clamping groove.

[0010] Preferably, a plurality of heating sheets are fixedly installed on the top of the two back plates.

[0011] Preferably, magnetic frames are fixedly installed inside the two back plates.

[0012] Preferably, a second magnetic block is fixedly installed inside the shock-proof clothing. A plurality of through holes are formed in the second magnetic block, and the plurality of through holes form a honeycomb structure.

[0013] Preferably, a plurality of second electrode sheets and first magnetic blocks are fixedly installed on one side of the shock-proof clothing close to the back plate, and the second electrode sheets and the first magnetic blocks are arranged alternately.

[0014] Preferably, a tightening belt is fixedly connected between the two shock-proof clothes.

[0015] Compared with the prior art, the advantages of the present invention are as follows:

[0016] 1. The present invention stimulates the patient's chest wall and lungs by setting up a shock suit, effectively promoting deep breathing and effective sputum excretion of the patient, reducing the risk of lung infection. By setting the first electrode sheet in a spiral shape, the first electrode sheet can closely fit the intercostal curve of the human body, increasing the contact area between the electrode sheet and the skin, improving the uniformity and conduction efficiency of electrical stimulation. By stimulating the intercostal muscle group, the activity of nerve cells is activated, effectively promoting the repair and regeneration of the nerve conduction pathway after spinal cord injury, thereby enhancing the nerve's control ability over muscles, providing a neural basis for sitting and standing recovery. At the same time, the spiral structure has flexibility and can deform with the patient's breathing and movement, thus helping to reduce the discomfort caused by traditional rigid electrode sheets, thereby enhancing the practicality of the device.

[0017] 2. The present invention, by setting up devices such as a magnetic frame and a second magnetic block, the magnetic frame and the second magnetic block interact to form an intertwined magnetic field. The magnetic field and the current of the electrode sheet act synergistically, helping to change the cell membrane permeability and the activity of ion channels, enhancing the sensitivity of neuromuscular cells to electrical stimulation, thereby strengthening the repair of the nerve conduction pathway and the muscle control ability. The honeycomb through-hole structure of the second magnetic block enhances the uniformity and persistence of the magnetic field distribution, helping to ensure the stable output of the treatment effect. The setting of the magnetic frame and the second magnetic block also helps to improve the support strength of the device for the patient's chest and back, enhancing the stability of the sitting and standing postures.

[0018] 3. The present invention stimulates the diaphragm by setting up a second electrode sheet, enhancing the patient's perception of muscle exertion. The first magnetic block and the second magnetic block form a dynamic magnetic coupling to lock the position of the electrode sheet, avoiding movement displacement, ensuring that the electrical stimulation acts precisely on the neuromuscular junction. The electrical stimulation and the static magnetic field act synergistically, enhancing the cell's sensitivity to electrical signals, while promoting local blood circulation and the excretion of metabolic wastes, improving the neuromuscular response efficiency. The alternately arranged electrode sheets cover different regions of the diaphragm contraction during the respiratory cycle, thus expanding the stimulation range. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a neurosurgical sitting and standing recovery nursing auxiliary device proposed by the present invention.

[0020] Figure 2 It is a schematic diagram of the shock suit and tightening belt structure of a neurosurgical sitting and standing recovery nursing auxiliary device proposed by the present invention.

[0021] Figure 3 It is a schematic diagram of the shock suit and heating sheet structure of a neurosurgical sitting and standing recovery nursing auxiliary device proposed by the present invention.

[0022] Figure 4 It is a schematic diagram of the second electrode sheet and the first magnetic block structure of a neurosurgical sitting and standing recovery nursing auxiliary device proposed by the present invention.

[0023] Figure 5 Schematic diagram of the rotating groove and the outer pulling member of a sitting-up recovery nursing assistance device for neurosurgery proposed by the present invention.

[0024] Figure 6 is Figure 5 Enlarged schematic diagram of the structure at A in

[0025] Figure 7 Schematic diagram of the connecting member and the limiting disc of a sitting-up recovery nursing assistance device for neurosurgery proposed by the present invention.

[0026] Figure 8 Schematic diagram of the magnetic frame of a sitting-up recovery nursing assistance device for neurosurgery proposed by the present invention.

[0027] In the figure: 1 base, 2 upper body plate, 3 headrest, 4 side pillows, 5 lower body plate, 6 leg plate, 7 electric recovery member, 8 electric lifting rod, 9 high-frequency chest wall oscillator, 10 introduction tube, 11 oscillation suit, 12 tightening belt, 13 back plate, 14 limiting groove, 15 rotating groove, 16 inner shaft, 17 outer pulling member, 18 connecting member, 19 limiting sliding groove, 20 limiting disc, 21 rotating clamping member, 22 clamping groove, 23 magnetic frame, 24 inner position pillow, 25 first electrode patch, 26 second electrode patch, 27 first magnetic block, 28 second magnetic block, 29 heating sheet. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Referring to Figures 1 to 8 , a sitting-up recovery nursing assistance device for neurosurgery includes a base 1. The top of the base 1 is slidably connected with a lower body plate 5. The two sides of the lower body plate 5 are respectively rotatably connected with an upper body plate 2 and a leg plate 6. The top of the base 1 is fixedly installed with an electric lifting rod 8. The electric lifting rod 8 is located below the upper body plate 2. A rotating groove 15 is opened at the bottom of the upper body plate 2. The telescopic end of the electric lifting rod 8 is rotatably connected with an inner shaft 16. The inner shaft 16 is slidably connected with the rotating groove 15. The bottom of the lower body plate 5 is fixedly connected with an electric recovery member 7. One end of the electric recovery member 7 far away from the lower body plate 5 is fixedly connected with the bottom of the leg plate 6. The electric recovery member 7 is used to pull the leg plate 6 to move. Through the telescopic movement of the electric lifting rod 8, the cooperation between the inner shaft 16 and the rotating groove 15, and the rotational connection relationship between the upper body plate 2, the lower body plate 5 and the leg plate 6, the state change of the patient from lying to sitting can be realized. A headrest 3 is fixedly installed at the top of the upper body plate 2. The headrest 3 is located at one end of the upper body plate 2 far away from the lower body plate 5. Side pillows 4 are fixedly installed on both sides of the top of the upper body plate 2.

[0030] There are two back plates 13 slidably connected to the top of the upper body plate 2. Shock vests 11 are fixedly installed at the tops of the two back plates 13. A tightening strap 12 is fixedly connected between the two shock vests 11. Two groups of limit grooves 14 are formed at the bottom of the upper body plate 2. Two outer pulling members 17 are respectively slidably connected to the two groups of limit grooves 14. The two outer pulling members 17 are respectively fixedly connected to the two back plates 13. Two limit sliding grooves 19 are formed at the bottom of the upper body plate 2. A plurality of card slots 22 are respectively formed in the two limit sliding grooves 19. The plurality of card slots 22 are linearly distributed in the limit sliding grooves 19. Two groups of adjustment components are arranged at the bottom of the upper body plate 2. The two groups of adjustment components respectively correspond to the positions of the two outer pulling members. The adjustment component includes a connecting member 18 fixedly installed at the end of the outer pulling member 17. A limit disk 20 is fixedly installed on the side wall of the connecting member 18. The limit disk 20 is slidably connected to the corresponding limit sliding groove 19 on the side. A rotating clamping member 21 is arranged on the connecting member 18. The clamping block on the rotating clamping member 21 is engaged with the corresponding card slot 22. Rotate the rotating clamping member 21. When the clamping block on the rotating clamping member 21 disengages from the card slot 22, then pull down the rotating clamping member 21, and then adjust the position of the back plate 13 by pulling the outer pulling member 17, so that the distance between the two shock vests 11 is suitable for the patient to lie down. After the adjustment is completed, re-engage the clamping block of the rotating clamping member 21 with the card slot 22, and the locking of the outer pulling member 17 can be completed. The positions of the back plate 13 and the shock vests 11 can be adjusted according to the specific needs of the patient, so that the device can adapt to patients with different body types and needs, providing personalized comfort and support. A high-frequency chest wall oscillator 9 is arranged on one side of the base 1. Two import tubes 10 are respectively fixedly connected between the two shock vests 11 and the high-frequency chest wall oscillator 9. Inner position pillows 24 are fixedly installed on the inner walls of the two shock vests 11. The shock vests 11 generate oscillations through the air flow input by the high-frequency chest wall oscillator 9, which can stimulate the chest wall and lungs of the patient, help the patient take deep breaths and effectively expectorate phlegm. At the same time, it can gently massage the patient, relieve muscle tension and stiffness, and promote the recovery of muscle function. The inner position pillows 24 can support the diaphragm and intercostals, helping the patient maintain the correct sitting or lying posture. This support not only improves the comfort of the patient, but also helps to maintain the patency of the respiratory tract and reduce the respiratory resistance.

[0031] On one side where the two inner pillows 24 are close to each other, multiple groups of first electrode sheets 25 are fixedly installed. The multiple groups of first electrode sheets 25 are all arranged in a spiral shape. The first electrode sheets 25 can activate the activity of nerve cells, promote the repair and regeneration of nerve conduction pathways. For patients with partial nerve function impairment after spinal cord injury, it helps to re-establish nerve connections, enhance the nerve's control ability over muscles, and provide a better nerve basis for sitting recovery. The spiral design can better fit the curve between the ribs of the human body, making the contact between the first electrode sheets 25 and the skin closer and more uniform, thus more effectively transmitting stimulation signals and improving the stimulation effect. The spiral shape can increase the length and area of the electrode sheets in a relatively small space, thereby expanding the stimulation range of the intercostal muscle groups, more comprehensively stimulating the intercostal nerves and muscles, and enhancing the rehabilitation effect. The spiral structure has a certain flexibility and can deform to a certain extent with the movement and breathing of the patient's body, reducing the discomfort caused to the patient by the stiffness of the first electrode sheets 25. On the top of the backboard 13, multiple heating sheets 29 are fixedly installed. The function of the heating sheets 29 is to ensure that the temperature of the patient's back is appropriate, avoid the lungs getting cold due to too low temperature and affecting the sputum excretion work. By keeping the patient's back warm, it helps to maintain the comfortable state of the patient's body, promote blood circulation in the body, and thus is beneficial to the patient's rehabilitation.

[0032] Inside the backboard 13, a magnetic frame 23 is fixedly installed. Inside the shock-proof clothing 11, a second magnetic block 28 is fixedly installed. Multiple through holes are opened on the second magnetic block 28. The magnetic frame 23 and the second magnetic block 28 form an intertwined magnetic field, which helps to regulate the function of the autonomic nervous system, improve the nerve function disorder caused by spinal cord injury, relieve sympathetic nerve tension, and play a certain regulatory role in the overall function of the body, making the patient's body state more stable during the sitting recovery training process. The magnetic frame 23 and the second magnetic block 28 can also increase the overall support effect on the patient. When the magnetic field acts together with the current generated by the first electrode sheets 25, it will change the permeability of the cell membrane and the activity of ion channels, making nerve cells and muscle cells more sensitive to electrical stimulation, thus enhancing the effect of electrical stimulation, helping to promote the repair and regeneration of nerve conduction pathways, and enhancing the nerve's control ability over muscles. The multiple through holes inside the second magnetic block 28 form a honeycomb structure, which helps to enhance the stability of the magnetic field.

[0033] On one side of the oscillation suit 11 close to the backboard 13, a plurality of second electrode plates 26 and first magnetic blocks 27 are fixedly installed, and the second electrode plates 26 and the first magnetic blocks 27 are arranged alternately. The second electrode plates 26 and the first magnetic blocks 27 correspond to the position of the patient's anterior thoracic diaphragm. The second electrode plates 26 can stimulate the muscles, enabling the patient to better feel the muscle exertion at the diaphragm, which helps the patient enhance the control ability of specific muscles during the rehabilitation process and promotes the recovery of muscle function. When the patient performs breathing training or limb activities, the dynamic magnetic coupling formed by the first magnetic block 27 and the second magnetic block 28 is like a micro-positioning anchor point, accurately locking the second electrode plate 26 in the diaphragm area, ensuring that the electrical stimulation always acts on the neuromuscular junction and avoiding the displacement deviation caused by body movement of traditional electrode plates. The electrical stimulation generated by the electrode plates and the static magnetic field formed by the magnetic blocks constitute a composite field effect. The magnetic field can enhance the permeability of the cell membrane to electrical signals (Hopkins effect), making the neuromuscular cells more sensitive to stimulation. At the same time, the magnetic field can regulate local blood circulation and promote the excretion of metabolic wastes. The two work together to improve the rehabilitation efficiency. The alternately arranged electrode plates can dynamically cover different areas during the diaphragmatic contraction in the respiratory cycle, and have a larger stimulation range compared with traditional single-point stimulation.

[0034] When the present invention is in use, first open the tightening belt 12, and then adjust the width of the oscillation suit 11 according to the patient's body type. First, hold the outer pulling member 17, and then rotate the rotating card 21 on the connecting member 18. When the block on the rotating card 21 disengages from the card slot 22, pull down the rotating card 21, and then pull the two outer pulling members to drive the two backboards 13 to move to both sides. After the two backboards 13 drive the two oscillation suits 11 to move to a position suitable for the patient, push up the rotating card 21 to make it enter the corresponding card slot 22, and then rotate the rotating card 21 to make it engage with the card slot 22. Then the patient lies flat on the device, and the head is placed on the headrest 3, and the side pillows 4 on both sides protect the patient's arms.

[0035] After the patient lies down, tighten the tightening belt 12, and then sit-to-stand assistance training can be carried out according to the patient's needs. The lower body plate 5 slides along the base 1 towards the upper body plate 2, and at the same time, the electric lifting rod 8 pushes the upper body plate 2 to rotate upward, so that after the patient sits up, both the lower body plate 5 and the upper body plate 2 stop moving. Then start the high-frequency chest wall oscillator 9, and input air flow into the oscillation suit 11 through the inlet pipe 10, so as to realize the oscillation of the oscillation suit 11. The inner pillow 24 can provide a good supporting effect on the diaphragm and intercostals. On one side of the inner pillow 24, a plurality of groups of first electrode plates 25 are arranged, and the first electrode plates 25 perform targeted stimulation on the patient's intercostal muscle groups, which helps to provide a better neural basis for the recovery of sitting up.

[0036] The heating sheet 29 can ensure that the temperature of the patient's back is appropriate, avoiding the lungs getting cold due to too low temperature, which makes it difficult to carry out sputum drainage. The magnetic frame 23 and the second magnetic block 28 form an intertwined magnetic field, which helps to regulate the function of the autonomic nervous system and improve the nerve function disorder caused by spinal cord injury, making the patient's physical state more stable during the sitting-up recovery training. When the magnetic field and the current generated by the electrode sheet act together, the nerve cells and muscle cells will be more sensitive to electrical stimulation, thus enhancing the effect of electrical stimulation. The function of the second electrode sheet 26 and the first magnetic block 27 is to stimulate the muscles, enabling the patient to better feel the muscle exertion at the diaphragm. The interaction between the first magnetic block 27 and the second magnetic block 28 better ensures the stability and accuracy of the second electrode sheet 26, ensuring its precise action on the target neuromuscular area. When the patient moves, it can ensure that the electrical stimulation acts stably on a specific part, improving the consistency of the treatment effect. When the patient needs to stretch the legs after sitting up, the electric retractor 7 is activated to drive the leg plate 6 to move, avoiding the patient's legs from getting stiff.

[0037] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A neurosurgery sit-stand recovery nursing auxiliary device, comprising a base (1), the top of the base (1) is slidably connected to a lower body board (5), the two sides of the lower body board (5) are rotatably connected to an upper body board (2) and a leg board (6), the bottom of the lower body board (5) is fixedly connected to an electric recovery component (7), and the end of the electric recovery component (7) away from the lower body board is fixedly connected to the bottom of the leg board (6), characterized in that: A lifting component is arranged below the upper body plate (2); two back plates (13) are slidably connected to the top of the upper body plate (2); a concussion suit (11) is fixedly installed on the top of the two back plates (13); two groups of adjustment components are arranged below the back plates (13); a high-frequency chest wall oscillator (9) is arranged on one side of the base (1); the two concussion suits (11) are respectively fixedly connected to the high-frequency chest wall oscillator (9) with an introduction tube (10); the inner walls of the two concussion suits (11) are fixedly installed with an inner pillow (24); and a plurality of groups of first electrode sheets (25) are fixedly installed on the sides of the two inner pillows (24) close to each other; the plurality of groups of the first electrode sheets (25) are all arranged in a spiral shape.

2. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: The lifting assembly comprises an electric lifting rod (8) fixedly mounted on the top of the base (1); a rotating groove (15) is provided at the bottom of the upper body plate (2); the telescopic end of the electric lifting rod (8) is rotatably connected to an inner shaft (16); and the inner shaft (16) is slidably connected to the rotating groove (15).

3. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A headrest (3) is fixedly installed on the top of the upper body board (2), and the headrest (3) is located at one end of the upper body board (2) away from the lower body board (5). Side pillows (4) are fixedly installed on both sides of the top of the upper body board (2).

4. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: Two groups of limiting grooves (14) are provided at the bottom of the upper body plate (2), and the two groups of limiting grooves (14) are respectively slidably connected with external pull members (17), and the two external pull members (17) are respectively fixedly connected to the two back plates (13).

5. The neurosurgery sitting recovery nursing auxiliary device according to claim 4, characterized in that: Two limiting slide grooves (19) are provided at the bottom of the upper body plate (2), and a plurality of slots (22) are provided in the limiting slide groove (19), and the plurality of slots (22) are linearly distributed in the limiting slide groove (19). The two groups of adjustment components correspond to the positions of the two outer pull members (17) respectively. The adjustment component comprises a connecting member (18) fixedly installed at the end of the outer pull member (17), and a limiting plate (20) is fixedly installed on the side wall of the connecting member (18). The limiting plate (20) is slidably connected to the limiting slide groove (19) on the corresponding side. A rotating clamp (21) is provided on the connecting member (18), and a clamping block on the rotating clamp (21) is engaged with the slot (22) on the corresponding side.

6. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A plurality of heating plates (29) are fixedly mounted on the top of the two back plates (13).

7. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A magnetic frame (23) is fixedly installed inside the two back plates (13).

8. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A second magnetic block (28) is fixedly installed inside the shock suit (11), and a plurality of through holes are provided on the second magnetic block (28), and the plurality of through holes form a honeycomb structure.

9. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A plurality of second electrode sheets (26) and first magnetic blocks (27) are fixedly mounted on one side of the oscillation suit (11) close to the back plate (13), and the second electrode sheets (26) and the first magnetic blocks (27) are alternately arranged.

10. The neurosurgery sitting recovery nursing auxiliary device according to claim 1, characterized in that: A tightening belt (12) is fixedly connected between the two shock suits (11).

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