CN111011954A

CN111011954A - Safe walking aid device for postoperative activities of patients in cardiothoracic surgery

Info

Publication number: CN111011954A
Application number: CN201911264691.5A
Authority: CN
Inventors: 李秀贞; 王若琳; 李习习
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-04-17

Abstract

The invention discloses a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which structurally comprises: the device comprises a device main body, shoulder straps, a neck protection mechanism, a chest protection bag, a waistband, a dumping triggering mechanism, a standing auxiliary mechanism and a belly soft bag, and has the beneficial effects that: go up the gasbag rete of chest protection bag and can expand to certain volume and make the rete have sufficient cavity structure to patient's chest and the object or the ground that will collide soon play the spaced apart effect, simultaneously with the soft package of belly in the structure cooperate jointly and make patient's chest position present hollow state, withstand and cut down vibrations feedback power by the gasbag rete of first body and the soft package of belly in the twinkling of an eye with the barrier contact, it is injured once more to have avoided patient's chest and device contact, effectively solved the patient and can directly act on the hidden danger in chest position after the shakiness or when encountering the striking.

Description

Safe walking aid device for postoperative activities of patients in cardiothoracic surgery

Technical Field

The invention relates to the field of surgical medical rehabilitation, in particular to a safe walking aid device for postoperative activities of patients in cardiothoracic surgery.

Background

The cardiothoracic surgery is mostly focused on the chest with dense nerve distribution, so the postoperative pain is severe, in order to reduce postoperative pain in cardiothoracic surgical patients, improvements in the care measures for postoperative activities are needed to maximize the reduction in time for patient recovery, especially, the patient needs to be protected mainly aiming at the operation position of the patient, so as to avoid collision and pulling, the patient is easy to fall down due to insufficient supporting force of the skeleton and the muscle because the skeleton and the muscle tissue are not recovered in the process of postoperative activity, once the chest position is in direct contact with the ground or a nearby obstacle when falling to the ground, the generated impact force directly acts on the skeleton and the skin tissue to cause subsidence of the body, even slight collision can cause the body to be torn to cause a big bleeding phenomenon, and based on the premise, the safe walking aid device for the postoperative activities of the cardiothoracic surgery patients is developed to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a safe walking aid device for activities after operation of a cardiothoracic surgery patient structurally comprises: the device comprises a device main body, shoulder straps, a neck protection mechanism, a chest protection bag, a waistband, an overturning trigger mechanism, a standing auxiliary mechanism and a belly soft bag, wherein the device main body is connected with the shoulder straps, the shoulder straps are provided with the neck protection mechanism and are connected with the neck protection mechanism, the chest protection bag is positioned above the front surface of the device main body, the side edge of the device main body is provided with the waistband, the waistband is connected with the overturning trigger mechanism and the standing auxiliary mechanism, the belly soft bag is positioned below the front surface of the device main body, the device main body is a main composition structure of the device, the device has the function of connecting various components, has the function of enhancing the structural firmness and structural strength, is composed of enhanced nylon cloth and flexible silica gel veneering, can have skin-friendly and breathable effects under the requirement of use strength, avoids discomfort of wearing of a patient, and is composed of high-strength nylon cloth matched with sponge, the structure of the waist belt is fit with the shoulder shape of a human body, the waist belt and the shoulder belt can effectively avoid falling off after being worn, and can prevent the shoulder skin from being worn due to too high hardness of materials, the waist belt and the shoulder belt are made of the same materials and are positioned at two sides of the waist of the human body, the waist belt and the shoulder belt can play a role in wrapping and supporting the waist, abdomen and caudal vertebra of a patient after being connected with each other, the waist belt and the shoulder belt play a role in protecting, buffering and supporting the body of the patient, the shoulder belt and the waist belt are matched for use, the shoulder belt and the waist belt can mainly play a role in adjusting and stabilizing a front component under the condition of fixed support of the back, the front structure can be fit with other parts of the body on the premise of not influencing the position of a chest wound as much as possible, the protection range and the protection effect are improved, the abdomen soft bag is made of light breathable sponge, the shape of the abdomen, avoiding the direct impact between the abdomen and the impacting object.

As a further technical supplement of the invention, the neck protection mechanism consists of a lifting pull rod, jaw supports, an adjusting rod, a connecting band and support plates, wherein the jaw supports are arranged between the top positions of the lifting pull rod, the two ends of the adjusting rod are respectively connected with the lifting pull rod and the connecting band, one end of each support plate is connected with the adjusting rod, the two lifting pull rods are respectively positioned at the two sides of the neck protection mechanism, the internal structure of the neck protection mechanism can enable the lifting pull rod to realize the height adjustment function, the lifting and shortening of the rod body are utilized to achieve the state of being flush with the height of the neck of a patient, the jaw supports mainly play a supporting role on the lower jaw of the patient, the phenomenon that the lower jaw is involuntarily dropped forwards or tilted backwards due to the fact that the neck position cannot exert force caused by the damage of the chest position of the patient is avoided, the lifting of the lower jaw can also prevent the lower jaw, the adjusting lever comprises two kinds of different materials respectively, wherein with the lift pull rod, what the extension board was connected is made for high strength rubber materials, it has certain flexibility but mainly relies on the hardness of material to play the supporting role to the structure, another section of adjusting lever is then made with the telescopic rubber strip, mainly rely on tensile to make to form netted chain connection strip between the structure with additional strengthening stability, the connecting band is the connection media carrier of adjusting lever, the extension board is the recessed arc, mainly be used for connecting the bearing structure of baldric, the shape that can also the gomphosis shoulder directly exposes the use.

As a further technical supplement of the invention, the upper chest protection bag comprises an air bag film layer, air bottles, firing pins, a breathable sponge layer and a diversion trench, wherein the air bottles are arranged on two sides of the back surface of the air bag film layer, the air bottles are connected with the firing pins and are both positioned in the breathable sponge layer, the breathable sponge layer is provided with the diversion trench and is communicated with the air bag film layer through the diversion trench, the air bag film layer is a main structure of the outermost layer of the upper chest protection bag, the air bag film layer can expand to a certain volume after having sufficient air inside so that an enough cavity structure is formed in the film layer to separate the chest of a patient from an object to be impacted or the ground, the air bag film layer is made of high-strength nylon fabric and has certain ductility and hygroscopicity, the air bottles are structures for carrying out gas filling on the air bag film layer, belong to replaceable consumables, store a certain amount of compressed gas in the air bags, and can release high, ventilative sponge layer is located the gasbag rete back, rely on the structure to play the support to the rete on the one hand, the effect of design, can also play dual protection's effect simultaneously, the thickness that its itself has can promote the barrier propterty of chest protection bag by a wide margin, the soft characteristic through sponge itself alleviates the injury that receives vibrations, the guiding gutter is the slot at oblique angle, it locates ventilative sponge layer and gasbag rete continuous position, the slot can dredge the air current fast and pass through and carry and make its accomplish rapidly in the gasbag rete and aerify.

As a further technical supplement of the invention, the dumping triggering mechanism consists of a shell, a touch panel, an electrode tube, mercury fluid, a through tube and a standing cavity, the shell is internally provided with a touch panel which is connected with an electrode tube, the electrode tube is positioned at the top of the through tube, the bottom of the through tube is provided with a standing cavity, the standing cavity is provided with mercury fluid, the shell is an external main body structure of the dumping trigger mechanism and mainly provides protection for internal components and is also a component of the through tube, the touch panel is a metal iron plate, the mercury fluid is connected with the electrode tube and can be used as a conductive medium of the electrode tube, the mercury fluid is static and unchangeable when the mercury fluid is positioned in the circular arc-shaped standing cavity at the bottom of the through tube, when the dumping triggering mechanism is in contact with the touch plate when the mercury fluid changes the position before being triggered by the imminent triggering, the mercury fluid and the touch plate react with each other to cause the electrode tube to be electrified and change the attribute of the electric charge, so that the dumping triggering mechanism is started to realize the operation.

As a further technical supplement of the invention, the standing-up auxiliary mechanism consists of a square hook, a locking ring, a thread groove, a reinforcing rotating shaft, a rolling device and a starting key, wherein the square hook is provided with the locking ring and the thread groove and is connected with the rolling device through the reinforcing rotating shaft, the rolling device is provided with the starting key and is connected with the starting key, the square hook is a connector of a rectangular frame structure and is mainly used for connecting a rope for assisting a patient to stand up and stand, the locking ring is rotationally locked through the corresponding thread groove below, the inside of the locking ring is provided with lines which are mutually embedded with the thread groove, the rope can be effectively prevented from falling out of the gap due to the gap generated after the square hook is closed, the reinforcing rotating shaft is a carrier of the rolling device connected with the square hook on one hand and is also an operation structure of the rolling device on the other hand, the square hook can be driven to rotate in the same direction while rotating, the inside of the rolling device is composed of a windable, the start key is used for controlling the opening and closing of the rolling device.

Advantageous effects

The invention is applied to the aspect of the postoperative activity safe walking aid technology of a patient in cardiothoracic surgery, and mainly aims to solve the problems that the operative part of the patient needs to be mainly protected and is prevented from being collided and pulled, once the chest part is in direct contact with the ground or a nearby obstacle when falling to the ground, the impact force generated by the operative part directly acts on bones and skin tissues to cause the subsidence of the body;

the upper chest protection bag is structurally provided with the upper chest protection bag to solve the problem, the upper chest protection bag is started by the aid of the dumping triggering mechanism, after the upper chest protection bag is started, an air bag film layer of the upper chest protection bag expands to a certain volume, so that an enough cavity structure is formed in the film layer to separate the chest of a patient from an object to be impacted or the ground, the air bag film layer and the belly soft bag in the structure are matched with each other to enable the chest of the patient to be in a hollow state, the air bag film layer and the belly soft bag of the upper half body abut against each other at the moment of contact with an obstacle and reduce the vibration feedback force, the chest of the patient is prevented from being contacted with the device again and injured again, and the hidden danger that the patient can directly act on the chest after the patient stands unstably or suffers from impact is effectively.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the external structure of a postoperative movable safe walking aid device for a cardiothoracic surgery patient.

FIG. 2 is a front sectional view of the neck protection mechanism of the postoperative movable safe walking aid device for cardiothoracic surgery patients.

FIG. 3 is a side cross-sectional view of the upper chest protection bag structure of the mobility safety walking aid device for patients with cardiothoracic surgery.

FIG. 4 is a side cross-sectional view of a dump trigger mechanism of a post-operative ambulatory safety walker device for a cardiothoracic surgical patient in accordance with the present invention.

FIG. 5 is a front sectional view of the standing assist mechanism of the postoperative active safety walker device for cardiothoracic patients according to the present invention.

In the figure: the device comprises a device main body-1, shoulder straps-2, a neck protection mechanism-3, a chest protection bag-4, a waistband-5, a dumping trigger mechanism-6, a standing auxiliary mechanism-7, a belly soft bag-8, a lifting pull rod-10, a mandible support-11, an adjusting rod-12, a connecting band-13, a support plate-14, an air bag film layer-17, an air bottle-18, a firing pin-19, a breathable sponge layer-20, a diversion trench-21, a shell-23, a touch plate-24, an electrode tube-25, mercury fluid-26, a through tube-27, a standing cavity-28, a square hook-30, a locking ring-31, a thread groove-32, a reinforcing rotating shaft-33, a rolling device-34 and a start key-35.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1, the present invention provides a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which comprises: the device comprises a device main body 1, shoulder straps 2, a neck protection mechanism 3, an upper chest protection bag 4, a waistband 5, an overturning trigger mechanism 6, a standing auxiliary mechanism 7 and an abdomen soft bag 8, wherein the device main body 1 is connected with the shoulder straps 2, the shoulder straps 2 are provided with the neck protection mechanism 3 and connected with the neck protection mechanism, the upper chest protection bag 4 is positioned at the position above the front side of the device main body 1, the waistband 5 is arranged at the side edge of the device main body 1, the waistband 5 is connected with the overturning trigger mechanism 6 and the standing auxiliary mechanism 7, the abdomen soft bag 8 is arranged at the position below the front side of the device main body 1, the device main body 1 is a main component structure of the device, the device has the functions of connecting various components and strengthening structural firmness and structural strength, and adopts the strengthening nylon cloth and flexible silica gel veneering to form, and can have the effects of skin friendliness and ventilation under the requirement of use strength, and avoids discomfort of, the shoulder strap 2 is made of high-strength nylon cloth and sponge, the structure of the shoulder strap is fit with the shape of the shoulder of a human body, the shoulder strap can effectively avoid falling off after being worn, meanwhile, the shoulder skin can be prevented from being worn due to too high hardness of materials, the waist belt 5 and the shoulder strap 2 are made of the same materials and are positioned at two sides of the waist of the human body, the waist belt 5 and the shoulder strap 2 can play a role in wrapping and supporting the waist, abdomen and caudal vertebra of a patient after being connected with each other, the body of the patient is protected, buffered and supported, the shoulder strap 2 and the waist belt 5 are matched to use, and can mainly play a role in adjusting and stabilizing a front component under the condition of back fixed support, the front structure is fit with other parts of the body on the premise of not influencing the position of a chest wound as much as possible, the protection range and effect are improved, the belly soft package 8 is made of light breathable sponge, the abdomen protection device can be suitable for various abdomens with different sizes, plays a role in buffering and protecting the abdomen, and avoids direct impact between the abdomen and an impacting object.

Referring to fig. 2, the present invention provides a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which comprises: the neck protection mechanism 3 comprises a lifting pull rod 10, a lower jaw support 11, an adjusting rod 12, a connecting band 13 and a supporting plate 14, wherein the lower jaw support 11 is arranged between the top positions of the lifting pull rod 10, the two ends of the adjusting rod 12 are respectively connected with the lifting pull rod 10 and the connecting band 13, one end of the supporting plate 14 is connected with the adjusting rod 12, the lifting pull rod 10 is provided with two lifting pull rods which are respectively positioned at the two sides of the neck protection mechanism 3, the lifting pull rod 10 can realize the height adjusting function by the internal structure, the lifting and shortening of the rod body are utilized to reach the state of being flush with the height of the neck of a patient, the lower jaw support 11 mainly plays a supporting role on the lower jaw of the patient, the phenomenon that the lower jaw is involuntarily dropped forwards or tilted backwards due to the fact that the neck position cannot exert force due to the damage of the chest position of the patient is avoided, the lower jaw is supported, the, the adjusting rod 12 is composed of two different materials, wherein the adjusting rod is connected with the lifting pull rod 10 and the support plate 14 and is made of high-strength rubber materials, the adjusting rod has certain flexibility and mainly depends on the hardness of the materials to support the structure, the other section of the adjusting rod 12 is made of telescopic rubber strips, the stretching is mainly used for enabling a mesh-shaped chain connecting strip to be formed between the structures to strengthen the stability of the structure, the connecting strip 13 is a connecting medium carrier of the adjusting rod 12, the support plate 14 is a concave arc-shaped plate and is mainly used for connecting a supporting structure of the shoulder strap 2, and the shape of the shoulder portion can be embedded and directly exposed for use.

Referring to fig. 3, the present invention provides a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which comprises: the upper chest protection bag 4 consists of an air bag film layer 17, an air bottle 18, a firing pin 19, a breathable sponge layer 20 and a diversion trench 21, wherein the air bottle 18 is arranged on two sides of the back of the air bag film layer 17, the air bottle 18 is connected with the firing pin 19 and both are positioned in the breathable sponge layer 20, the breathable sponge layer 20 is provided with the diversion trench 21 and is communicated with the air bag film layer 17 through the diversion trench 21, the air bag film layer 17 is a main structure on the outermost layer of the upper chest protection bag 4 and can expand to a certain volume after having sufficient air inside so that an enough cavity structure is formed in the film layer to separate the chest of a patient from an object to be impacted or the ground, the air bag film layer 17 is made of high-strength nylon fabric and has certain ductility and hygroscopicity, the air bottle 18 is a structure for filling the air in the air bag film layer 17 and belongs to a replaceable consumable and stores a, can release high-pressure gas in the twinkling of an eye after the trigger of striker 19 and carry out gas filling to gasbag rete 17, ventilative sponge layer 20 is located gasbag rete 17 back, rely on the structure to play the support to the rete on the one hand, the effect of design, can also play dual protection's effect simultaneously, the thickness that its itself has can promote the barrier propterty of last chest protection bag 4 by a wide margin, the soft characteristic through sponge itself alleviates the injury that receives vibrations, guiding gutter 21 is the slot at oblique angle, it locates ventilative sponge layer and gasbag rete 17 hookup location, the slot can dredge the air current fast and pass through and carry and make its completion inflation rapidly in gasbag rete 17.

Referring to fig. 4, the present invention provides a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which comprises: the dumping trigger mechanism 6 comprises a shell 23, a touch plate 24, an electrode tube 25, mercury fluid 26, a through tube 27 and a standing cavity 28, wherein the touch plate 24 is arranged in the shell 23, the touch plate 24 is connected with the electrode tube 25, the electrode tube 25 is positioned at the top of the through tube 27, the standing cavity 28 is arranged at the bottom of the through tube 27, the mercury fluid 26 is arranged in the standing cavity 28, the shell 23 is an external main body structure of the dumping trigger mechanism and mainly provides protection for internal components and is also a component of the through tube 27, the touch plate 24 is a metal iron plate which is connected with the electrode tube 25 and can serve as a conductive medium of the electrode tube 25, the mercury fluid 26 is static when the standing cavity 25 with a circular arc structure is positioned at the bottom of the through tube 27, and when the dumping trigger mechanism 6 is in contact with the touch plate 24 after the mercury fluid 26 changes position before being triggered, the mercury fluid 26 reacts with each other to cause the electrode tube 25 to be, thereby activating the pour trigger mechanism 6 to operate.

Referring to fig. 5, the present invention provides a safe walking aid device for postoperative activities of patients in cardiothoracic surgery, which comprises: the rising auxiliary mechanism 7 consists of a square hook 30, a locking ring 31, a thread groove 32, a reinforcing rotating shaft 33, a rolling device 34 and a starting key 35, wherein the square hook 30 is provided with the locking ring 31 and the thread groove 32 and is connected with the rolling device 34 through the reinforcing rotating shaft 33, the rolling device 34 is provided with the starting key 35 and is connected with the starting key, the square hook 30 is a connector of a rectangular frame structure and is mainly used for connecting a rope for assisting a patient to stand up and stand, the locking ring 31 is rotationally locked through the corresponding thread groove 32 at the lower part, the inside of the locking ring is provided with grains which are mutually embedded with the thread groove 32, the rope can be effectively prevented from falling out of the gap due to the gap generated after the square hook 30 is closed, the reinforcing rotating shaft 33 is a carrier for connecting the rolling device 34 with the square hook 30 on the one hand and is also an operation structure of the rolling device 34 on the other hand, the square hook 30 can be driven to rotate in the same direction while rotating, after the operation, the reinforced rotating shaft 33 can be driven to generate high-intensity rotational kinetic energy, and the start key 35 is used for controlling the opening and closing of the rolling device 34.

When in use, firstly, medical staff or family members of a patient help the patient to wear the equipment on the body, the shoulder strap 2 and the waist belt 5 are adjusted and buckled according to the height and the body size of the patient, whether the shoulder strap is fixed or not is determined according to the stress condition of the neck of the patient, if the shoulder strap is required to be fixed, the lower jaw support 11 is adjusted to a proper position through the lifting pull rod 10 of the neck protection mechanism 3, the lower jaw of the patient is supported by the lower jaw support 11, if the patient accidentally rolls forward or an obstacle in front of the face is about to collide with the lower jaw support, the falling trigger mechanisms 6 arranged at two sides of the waist part trigger the firing pins 19 of the upper chest protection bag 4, the position of mercury fluid 26 of the falling trigger mechanism 6 can be changed at the moment when the patient falls down or the body reacts violently, and after the mercury fluid contacts with the contact plate 24, the electrode tube 25 is electrified and the property of the charge is changed and the firing pins 19 are started, striker 19 striking gas cylinder 18 can release high-pressure gas in the twinkling of an eye and carry out gaseous filling to accomplish the quick inflation work to gasbag rete 17, fully protect patient's chest position, can also avoid gasbag rete 17 to cause the oppression to the chest simultaneously, the patient reminds the back can be because the pain of chest and can't rise by oneself after sitting, if only need connect the special rope of high strength on the square hook 30 of rising complementary unit 7 under single condition, the other end is connected on the stable in structure's in the front of the patient object, press start key 35 and can withdraw the rope through rolling ware 34 and reinforcement pivot 33, rely on the pulling force help patient that produces after shortening the distance between rope and the object to stand up.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A safe walking aid device for activities after operation of a cardiothoracic surgery patient structurally comprises: device main part (1), baldric (2), neck protection mechanism (3), go up chest protection bag (4), waistband (5), empty trigger mechanism (6), stand-up complementary unit (7), the soft package of belly (8), its characterized in that:

shoulder (2) are connected in device main part (1), shoulder (2) are equipped with neck protection mechanism (3) and link to each other with it, go up chest protection bag package (4) and lie in device main part (1) positive top position, and device main part (1) side is equipped with waistband (5), and trigger mechanism (6) and standing auxiliary mechanism (7) are emptyd in waistband (5) connection, and device main part (1) positive below position is located in soft package of belly (8).

2. The safe walking aid device for activities after operation of patients in cardiothoracic surgery as claimed in claim 1, wherein: the neck protection mechanism (3) is composed of a lifting pull rod (10), a lower jaw support (11), an adjusting rod (12), a connecting band (13) and a support plate (14), the lower jaw support (11) is arranged between the top positions of the lifting pull rod (10), two ends of the adjusting rod (12) are respectively connected with the lifting pull rod (10) and the connecting band (13), and one end of the support plate (14) is connected with the adjusting rod (12).

3. The safe walking aid device for activities after operation of patients in cardiothoracic surgery as claimed in claim 1, wherein: go up chest protection bag (4) and constitute by gasbag rete (17), gas cylinder (18), firing pin (19), ventilative sponge layer (20), guiding gutter (21), gasbag rete (17) back both sides are equipped with gas cylinder (18), and gas cylinder (18) are connected firing pin (19) and both are located ventilative sponge layer (20), and ventilative sponge layer (20) are equipped with guiding gutter (21) and pass through guiding gutter (21) UNICOM gasbag rete (17).

4. The safe walking aid device for activities after operation of patients in cardiothoracic surgery as claimed in claim 1, wherein: toppling trigger mechanism (6) comprises shell (23), touch panel (24), electrode tube (25), mercury fluid (26), siphunculus (27), chamber (28) of stewing, be equipped with touch panel (24) in shell (23), electrode tube (25) is connected in touch panel (24), and electrode tube (25) are located siphunculus (27) top position, and siphunculus (27) bottom is equipped with chamber (28) of stewing, and chamber (28) of stewing is equipped with mercury fluid (26).

5. The safe walking aid device for activities after operation of patients in cardiothoracic surgery as claimed in claim 1, wherein: the standing auxiliary mechanism (7) is composed of a square hook (30), a locking ring (31), a thread groove (32), a reinforcing rotating shaft (33), a rolling device (34) and a starting key (35), the square hook (30) is provided with the locking ring (31) and the thread groove (32) and is connected with the rolling device (34) through the reinforcing rotating shaft (33), and the rolling device (34) is provided with the starting key (35) and is connected with the starting key.