CN113663181A - Positioner is used in clinical tumour chemotherapy - Google Patents
Positioner is used in clinical tumour chemotherapy Download PDFInfo
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- CN113663181A CN113663181A CN202110990148.4A CN202110990148A CN113663181A CN 113663181 A CN113663181 A CN 113663181A CN 202110990148 A CN202110990148 A CN 202110990148A CN 113663181 A CN113663181 A CN 113663181A
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- 238000002512 chemotherapy Methods 0.000 title claims abstract description 30
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000003921 oil Substances 0.000 claims description 132
- 238000007789 sealing Methods 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 24
- 230000008569 process Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 238000001467 acupuncture Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 238000001802 infusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
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Abstract
The invention discloses a positioning device for clinical tumor chemotherapy in the technical field of medical equipment, which comprises a medical bed and a plurality of fixing mechanisms, wherein the medical bed is provided with a plurality of fixing mechanisms; the fixing mechanisms are rotatably arranged on the side surface of the medical bed; the medical bed can completely fit the back contour of a patient after the patient lies flat, and the fixing mechanism can completely fit the front contour of the patient after being fixed on the front of the patient; the medical bed can be used for stably fixing the patient on the medical bed by matching with the fixing mechanism.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a positioning device for clinical tumor chemotherapy.
Background
Chemotherapy puncture is a treatment means for diseases in the medical field, and related devices such as a puncture needle and an infusion port are needed, wherein the infusion port is a closed infusion device implanted in a human body, and the puncture needle is a puncture auxiliary device for treating a focus.
In order to make patients suffer less pain in the chemotherapy process, a positioning device is needed to make the acupuncture more accurate and stable, and the traditional positioning device for chemotherapy mostly adopts a mechanical acupuncture means to replace manual work, so that the acupuncture process is not affected by hand vibration of doctors and the patients are subjected to secondary injury; however, in the whole process of inserting the needle, besides the effect of the hand vibration of the doctor on the inserting the needle, the movement of the body of the patient can also have great effect on the inserting process, especially for some patients who have great fear on the chemotherapy process, in the inserting process, under the action of factors such as tension or pain, the patient can continuously shake the body or move the body violently and greatly, if the patient can not be effectively limited by the support and the press of medical staff, the physical consumption of the medical staff is very serious, the working strength of the medical staff is increased, the fatigue speed of the medical staff is accelerated, and further, the risk of medical accidents caused by the fatigue state of the medical staff is increased.
Based on the above, the invention designs a positioning device for clinical tumor chemotherapy to solve the above problems.
Disclosure of Invention
The invention aims to provide a positioning device for clinical tumor chemotherapy, which aims to solve the problems that in the background technology, in order to make a patient suffer less pain in the chemotherapy process, the positioning device is required to be used for making the needle insertion more accurate and stable; however, in the whole process of inserting the needle, besides the effect of the hand vibration of the doctor on the inserting the needle, the movement of the body of the patient can also have great effect on the inserting process, in particular to the patients who have great fear on the chemotherapy process, in the inserting process, under the action of factors such as tension or pain, the patient can continuously shake the body or move the body violently and greatly, if the patient can not be effectively limited by the support and the press of medical staff, the physical consumption of the medical staff is very serious, the working strength of the medical staff is increased, the fatigue speed of the medical staff is accelerated, and further, the risk of medical accidents caused by the fatigue state of the medical staff is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning device for clinical tumor chemotherapy comprises a medical bed and a plurality of fixing mechanisms; the fixing mechanisms are rotatably arranged on the side surface of the medical bed; the medical bed can completely fit the back contour of a patient after the patient lies flat, and the fixing mechanism can completely fit the front contour of the patient after being fixed on the front of the patient; the medical bed can be used for stably fixing the patient on the medical bed by matching with the fixing mechanism.
As a further scheme of the invention, the medical bed comprises a supporting frame, a plurality of first elastic telescopic rods which are orderly arranged are vertically and fixedly installed at the bottom of the supporting frame, a plurality of connecting rods are fixedly connected to the upper end of the supporting frame, a fixing frame is fixedly connected to the upper ends of the connecting rods together, fixing blocks are fixedly connected to the front end and the rear end of the right side of the fixing frame, a rotating shaft is rotatably connected between the two fixing blocks, and the fixing mechanism is installed on the rotating shaft.
As a further scheme of the present invention, an oil chamber is disposed in the first elastic telescopic rod, the oil chamber is communicated with a first oil tank, and when the first elastic telescopic rod is extended, hydraulic oil needs to be pumped out of the first oil tank.
As a further scheme of the invention, the first elastic telescopic rod comprises a first hollow pipe, the upper end of the first hollow pipe is connected with a first slide rod in a sealing and sliding manner, the upper end of the first slide rod is fixedly connected with a first pressure head, the lower end of the first slide rod is fixedly connected with a first piston, the first piston is connected with the inner wall of the first hollow pipe in a sealing and sliding manner, the lower end of the first piston is fixedly connected with a first spring, the lower end of the first spring is fixedly connected with the bottom of the first hollow pipe, the upper end of the first piston is matched with the inner wall of the first hollow pipe to form an oil cavity together, and the first hollow pipe is connected with a first communication pipe in a penetrating manner; the utility model discloses a fuel tank, including carriage right side and first oil tank, first intercommunication pipe external rigid pipeline and first oil tank left side wall intercommunication, the sealed sliding connection of first oil tank upper end elasticity has first oil blanket, first oil blanket and first oil tank left side inner wall sliding connection, first oil blanket moves down the intercommunication department that can shutoff first intercommunication pipe and first oil tank, the sealed sliding connection of first oil tank right-hand member has first slide.
As a further scheme of the invention, the rotating shaft is slidably connected with cams of the same number as the fixing mechanism, the cams are fixedly connected with the fixing mechanism, the upper end of the first oil sealing plate is fixedly connected with the lower pressing block, and the cams rotate to enable the lower pressing block to move downwards.
As a further scheme of the invention, a motor is fixedly arranged on any one fixed block, and an output shaft of the motor penetrates through the fixed block and is fixedly connected with the rotating shaft.
As a further scheme of the invention, the fixing mechanism comprises a support arm, a support plate is fixedly connected to the right end of the support arm, a plurality of second elastic telescopic rods which are arranged in order are fixedly connected to the upper end of the support plate, each second elastic telescopic rod comprises a second hollow tube, a second slide bar is connected to the upper end of each second hollow tube in a sealing and sliding manner, a second pressure head is fixedly connected to the upper end of each second slide bar, a second piston is fixedly connected to the lower end of each second slide bar, the second piston is connected with the inner wall of the corresponding second hollow tube in a sealing and sliding manner, a second spring is fixedly connected to the lower end of each second piston, the lower end of each second spring is fixedly connected to the bottom of the corresponding second hollow tube, the upper end of each second piston is matched with the inner wall of the corresponding second hollow tube to form a second oil cavity, and a second communicating tube is connected to the corresponding second hollow tube in a penetrating manner; backup pad right-hand member and second oil tank fixed connection, the second is connected external stereoplasm pipeline and second oil tank right side wall intercommunication communicating pipe, the sealed sliding connection of second oil tank upper end right side elasticity has the second to seal the oiled-plate, the second seals oiled-plate and second oil tank right side inner wall sliding connection, the second seals oiled-plate and moves down and to block up the second and communicate the department with the second oil tank communicating pipe, the sealed sliding connection of second oil tank left end has scalable slide, second oil tank upper end is provided with the buckle, fixed frame left end fixedly connected with connecting block, the connecting block upper end is provided with the draw-in groove.
As a further aspect of the present invention, the buckle includes a sliding block; the sliding block penetrates through the upper side wall of the second oil tank and is vertically connected with the second oil tank in a sealing and sliding manner; the left side of the part, outside the second oil tank, of the sliding block is provided with a mounting groove, the upper end of the mounting groove is connected with a wedge block in a sliding mode, the right end of the wedge block is transversely and fixedly connected with a third spring, the third spring is fixedly connected with the mounting groove, the front side and the rear side of the third spring, which are positioned on the right side wall of the mounting groove, are both fixedly connected with a first sliding shaft, and a second sliding shaft is arranged below the first sliding shaft; elastic ropes are fixedly connected to the right side of the wedge-shaped block corresponding to the first sliding shaft; the elastic rope sequentially penetrates through the right sides of the first sliding shaft and the second sliding shaft at the corresponding positions and then is fixedly connected with the upper side wall of the second oil tank.
As a further scheme of the invention, the lower end of the second oil tank is hermetically and slidably connected with a second sliding plate, the upper end of the second sliding plate is slidably connected with the lower end of a telescopic sliding plate, the upper end of the second sliding plate is fixedly connected with a fixed rod, and the fixed rod is fixedly connected with the lower end of a sliding block.
Compared with the prior art, the invention has the beneficial effects that:
1. the medical bed is matched with the fixing mechanism to form a fixing structure which is completely fit with the body contour of a patient, so that the body of the patient is fixed, the body of the patient cannot move during chemotherapy, and the needle tube can be conveniently inserted; meanwhile, when the patient shakes, the medical bed is supported by matching with the fixing mechanism, so that the shaking eliminating effect is achieved (the shaking can be obviously eliminated by supporting the medical bed through a fixture when the human body shakes uncontrollably), and further, the phenomenon that the needle tube causes secondary damage to the human body due to shaking of the human body after the needle tube is inserted into the human body is avoided; and utilize equipment to fix the human body, for medical personnel's manual work fixed patient, have the better advantage of stability, simultaneously, reduced medical personnel's working strength, made medical personnel's more energy put in medical treatment, and is further, reduced because the medical personnel is too tired the production of the medical malpractice that leads to.
2. Utilize a plurality of first elasticity telescopic links to constitute the bed surface of medical bed, because first elasticity telescopic link only has the ascending degree of freedom of vertical side, make patient's extrusion health profile after, when patient's health carries out the ascending removal of horizontal direction, can be higher than the human bottom surface to the side of the first elasticity telescopic link of the adjacent position of health (the first elasticity telescopic link of the adjacent position of health does not receive human effect to produce the shrink, so be located the human side promptly), because upwards do not have the degree of freedom on the first elasticity telescopic link level, so first elasticity telescopic link can produce the rigidity to human horizontal migration and hinder, furthermore, make the medical bed spacing more reliable and stable to the horizontal direction of human body.
3. The second sliding plate is arranged, when the fixing mechanism is reset, the second sliding plate can extrude and inject hydraulic oil in the second oil tank into an oil cavity in the second elastic telescopic rod, so that the second pressure head in the second elastic telescopic rod moves downwards to the lowest point, and all the second pressure heads move downwards collectively in the resetting process of the fixing mechanism, so that the phenomenon that the second elastic telescopic rod which is close to a human body and does not contract rotates along with the fixing mechanism to press the human body to hurt the human body in the rotating and resetting process of the fixing mechanism is avoided; furthermore, the patient is protected better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention with the fixing mechanism removed;
FIG. 3 is a side cross-sectional schematic view of FIG. 2;
FIG. 4 is an enlarged view of the point A in FIG. 3;
FIG. 5 is a schematic cross-sectional elevation view of the first tank of FIG. 2;
FIG. 6 is an enlarged view of the point B in FIG. 5;
FIG. 7 is a schematic cross-sectional front view of FIG. 2 at the tie bar;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is an enlarged view of FIG. 8 at C;
FIG. 10 is a schematic cross-sectional view of the first elastic expansion link;
FIG. 11 is a schematic front cross-sectional view of a cam engagement securing mechanism;
FIG. 12 is an enlarged view of FIG. 11 at D;
FIG. 13 is an enlarged view of E in FIG. 12;
fig. 14 is a schematic cross-sectional view of the second elastic expansion link.
In the drawings, the components represented by the respective reference numerals are listed below:
1-1 part of supporting frame, 1-2 parts of first elastic telescopic rod, 1-2-1 parts of first hollow tube, 1-2-2 parts of first sliding rod, 1-2-3 parts of first pressure head, 1-2-4 parts of first piston, 1-2-5 parts of first spring, 1-2-6 parts of first communicating tube, 1-3 parts of connecting rod, 1-4 parts of fixing frame, 1-5 parts of fixing block, 1-6 parts of rotating shaft, 1-7 parts of connecting block, 1-7-1 parts of clamping groove, 2-1 parts of first oil tank, 2-2 parts of first oil sealing plate, 2-3 parts of first sliding plate, 2-4 parts of lower pressing block, 3 parts of cam, 4 parts of motor, 5-1 parts of supporting arm, 5-2 parts of supporting plate, 5-3 parts of second elastic telescopic rod, 5-3-1 parts of second hollow tube, 5-3-2 parts of a second sliding rod, 5-3-3 parts of a second pressure head, 5-3-4 parts of a second piston, 5-3-5 parts of a second spring, 5-3-6 parts of a second communicating pipe, 5-4 parts of a second oil tank, 5-5 parts of a second oil sealing plate, 5-6 parts of a telescopic sliding plate, 5-7 parts of a buckle, 5-7-1 parts of a sliding block, 5-7-2 parts of an installation groove, 5-7-3 parts of a wedge-shaped block, 5-7-4 parts of a third spring, 5-7-5 parts of a first sliding shaft, 5-7-6 parts of a second sliding shaft, 5-7-7 parts of an elastic rope, 5-8 parts of a second sliding plate and 5-9 parts of a fixing rod.
Detailed Description
Referring to fig. 1-14, the present invention provides a technical solution: a positioning device for clinical tumor chemotherapy comprises a medical bed and a plurality of fixing mechanisms; the fixing mechanisms are rotatably arranged on the side surface of the medical bed; the medical bed can completely fit the back contour of a patient after the patient lies flat, and the fixing mechanism can completely fit the front contour of the patient after being fixed on the front of the patient; the medical bed can be used for stably fixing the patient on the medical bed by matching with the fixing mechanism.
In order to make patients suffer less pain in the chemotherapy process, a positioning device is needed to make the acupuncture more accurate and stable, and the traditional positioning device for chemotherapy mostly adopts a mechanical acupuncture means to replace manual work, so that the acupuncture process is not affected by hand vibration of doctors and the patients are subjected to secondary injury; however, in the whole process of inserting the needle, besides the effect of the hand vibration of the doctor on the inserting the needle, the movement of the body of the patient can also have great effect on the inserting process, especially for some patients who have great fear on the chemotherapy process, in the inserting process, under the action of factors such as tension or pain, the patient can continuously shake the body or move the body violently and greatly, if the patient can not be effectively limited by the support and the press of medical staff, the physical consumption of the medical staff is very serious, the working strength of the medical staff is increased, the fatigue speed of the medical staff is accelerated, and further, the risk of medical accidents caused by the fatigue state of the medical staff is increased.
When the medical bed is in operation, (as shown in figure 1), a patient lies on the medical bed, the contact part of the medical bed and the patient sinks under the gravity extrusion of all parts of the body of the patient to form a contour which is fit with the body of the patient, and further, the body of the patient is limited in the horizontal direction through the sinking contour of the medical bed; then, the fixing mechanism is rotated to be fixed on the front of the patient to limit the patient in the vertical direction, and the contact surface of the fixing mechanism and the patient forms a contour which is attached to the body of the patient when being extruded with the patient and is matched with the medical bed to limit the body of the patient in the horizontal direction; the body of the patient can be fixed by the medical bed in cooperation with the fixing mechanism, and when the body of the patient shakes, the medical bed is matched with the fixing mechanism to support and limit the body of the patient, so that the position of an affected part of the patient is further stable;
the medical bed is matched with the fixing mechanism to form a fixing structure which is completely fit with the body contour of a patient, so that the body of the patient is fixed, the body of the patient cannot move during chemotherapy, and the needle tube can be conveniently inserted; meanwhile, when the patient shakes, the medical bed is supported by matching with the fixing mechanism, so that the shaking eliminating effect is achieved (the shaking can be obviously eliminated by supporting the medical bed through a fixture when the human body shakes uncontrollably), and further, the phenomenon that the needle tube causes secondary damage to the human body due to shaking of the human body after the needle tube is inserted into the human body is avoided; and utilize equipment to fix the human body, for medical personnel's manual work fixed patient, have the better advantage of stability, simultaneously, reduced medical personnel's working strength, made medical personnel's more energy put in medical treatment, and is further, reduced because the medical personnel is too tired the production of the medical malpractice that leads to.
As a further scheme of the invention, the medical bed comprises a supporting frame 1-1, a plurality of first elastic telescopic rods 1-2 which are arranged in order are vertically and fixedly installed at the bottom of the supporting frame 1-1, a plurality of connecting rods 1-3 are fixedly connected to the upper end of the supporting frame 1-1, a fixing frame 1-4 is fixedly connected to the upper ends of the connecting rods 1-3 together, fixing blocks 1-5 are fixedly connected to the front end and the rear end of the right side of the fixing frame 1-4, a rotating shaft 1-6 is rotatably connected between the two fixing blocks 1-5, and the fixing mechanism is installed on the rotating shaft 1-6.
When the human body is in work (as shown in figure 5), the human body presses down the first elastic telescopic rods 1-2, so that the first elastic telescopic rods 1-2 contacting with the human body are downwards contracted under the extrusion of the human body, and then the plurality of first elastic telescopic rods 1-2 form a contour attached to the human body, and then the fixing mechanism is driven to rotate around the rotating shafts 1-6 and fixed at the position above the human body;
the bed surface of the medical bed is formed by the plurality of first elastic telescopic rods 1-2, and the first elastic telescopic rods 1-2 only have the freedom degrees in the vertical direction, so that after a patient is pressed out of the body contour, when the body of the patient moves in the horizontal direction, the side surfaces of the first elastic telescopic rods 1-2 at the positions adjacent to the body (the first elastic telescopic rods 1-2 at the positions adjacent to the body are not contracted under the action of the human body, and are higher than the bottom surface of the human body, namely, positioned on the side surfaces of the human body) can be extruded, and the first elastic telescopic rods 1-2 do not have the freedom degrees upwards in the horizontal direction, so that the first elastic telescopic rods 1-2 can generate rigid obstruction to the horizontal movement of the human body, and further, the medical bed can be more stable and reliable to the horizontal direction limit of the human body.
As a further scheme of the invention, an oil cavity is arranged in the first elastic telescopic rod 1-2, the oil cavity is communicated with a first oil tank 2-1, and when the first elastic telescopic rod 1-2 is stretched, hydraulic oil needs to be pumped out of the first oil tank 2-1.
When the medical bed is in operation, when a patient lies on the medical bed and leaves the medical bed through the first elastic telescopic rod 1-2, the first elastic telescopic rod 1-2 can stretch, when the first elastic telescopic rod 1-2 stretches, the internal oil cavity can be used for drawing and placing hydraulic oil, and further, the stretching speed of the first elastic telescopic rod 1-2 is limited due to the fact that the liquid is drawn and placed in a time process which is obvious, and the situation that when the patient lies on the medical bed and leaves the medical bed, the patient is injured due to the fact that the stretching speed of the first elastic telescopic rod 1-2 is too fast is avoided.
As a further scheme of the invention, the first elastic telescopic rod 1-2 comprises a first hollow tube 1-2-1, the upper end of the first hollow tube 1-2-1 is connected with a first slide bar 1-2-2 in a sealing and sliding manner, the upper end of the first slide bar 1-2-2 is fixedly connected with a first pressure head 1-2-3, the lower end of the first slide bar 1-2-2 is fixedly connected with a first piston 1-2-4, the first piston 1-2-4 is connected with the inner wall of the first hollow tube 1-2-1 in a sealing and sliding manner, the lower end of the first piston 1-2-4 is fixedly connected with a first spring 1-2-5, the lower end of the first spring 1-2-5 is fixedly connected with the bottom of the first hollow tube 1-2-1, the upper end of the first piston 1-2-4 is matched with the inner wall of the first hollow pipe 1-2-1 to jointly form an oil cavity, and the first hollow pipe 1-2-1 is connected with a first communication pipe 1-2-6 in a penetrating mode; the right side of the supporting frame 1-1 is fixedly connected with a first oil tank 2-1, a first communication pipe 1-2-6 is externally connected with a hard pipeline and communicated with the left side wall of the first oil tank 2-1, the upper end of the first oil tank 2-1 is elastically, hermetically and slidably connected with a first oil sealing plate 2-2, the first oil sealing plate 2-2 is slidably connected with the left side inner wall of the first oil tank 2-1, the first oil sealing plate 2-2 moves downwards to block the communication position of the first communication pipe 1-2-6 and the first oil tank 2-1, and the right end of the first oil tank 2-1 is hermetically and slidably connected with a first sliding plate 2-3.
When the medical treatment machine works (as shown in figure 10), when a human body extrudes the first elastic telescopic rod 1-2, the first pressure head 1-2-3 moves downwards under extrusion force, and then the first piston 1-2-4 is driven to downwards slide relative to the first hollow tube 1-2-1 through the first slide rod 1-2-2, in the process, the first piston 1-2-4 extrudes the first spring 1-2-5, so that the first spring 1-2-5 is compressed (the first spring 1-2-5 is compressed to generate elastic force for supporting the weight of the human body and a resetting power source of the first elastic telescopic rod 1-2 after a patient leaves a medical bed), in the process that the first piston 1-2-4 moves downwards, the volume in the oil cavity is increased to form negative pressure to match the elastic force of the first spring 1-2-5, the downward moving speed of the first pressure head 1-2-3 is limited, so that the condition that the patient is injured due to the fact that the downward moving speed of the first pressure head 1-2-3 is too high is avoided; further, the negative pressure in the oil chamber sucks hydraulic oil from the first oil tank 2-1 through the first communication pipe 1-2-6 (after the hydraulic oil in the first oil tank 2-1 is pumped out, the first sliding plate 2-3 slides leftwards to reduce the volume of the first oil tank 2-1, so as to offset the part of the first oil tank 2-1 from which the hydraulic oil is pumped out); after the patient lies, each first elastic telescopic rod 1-2 is stabilized, the first oil sealing plate 2-2 is pressed downwards (as shown in figure 4) to seal the communication part between the first communication pipe 1-2-6 and the first oil tank 2-1, further, the first pressure head 1-2-3 cannot move upwards (incompressibility of liquid; fixing the outline of the medical bed), when the first pressure head 1-2-3 moves downwards, negative pressure is generated in the oil cavity (firstly, the outline of the medical bed has certain elasticity to prevent the patient from being hurt due to over-strong rigidity, secondly, the human body needs larger ground force to overcome the negative pressure to ensure the outline stability of the medical bed, and finally, after the first pressure head 1-2-3 moves downwards, the first pressure head 1-2-3 resets under the action of the negative pressure after the human body disappears due to the negative pressure, thereby ensuring the stability of the contour of the medical bed).
As a further scheme of the invention, the rotating shaft 1-6 is connected with cams 3 with the same number as the fixing mechanism in a sliding mode, the cams 3 are fixedly connected with the fixing mechanism, the upper end of the first oil sealing plate 2-2 is fixedly connected with lower pressing blocks 2-4, and the cams 3 rotate to enable the lower pressing blocks 2-4 to move downwards.
When the oil seal device works (as shown in figure 9), the convex section of the cam 3 rotates anticlockwise along with the fixing mechanism, the convex section of the cam 3 is gradually close to the lower pressing block 2-4, and then after the convex section of the cam 3 contacts the lower pressing block 2-4, the lower pressing block 2-4 is extruded by the convex section of the cam 3 to move downwards, so that the first oil seal plate 2-2 is driven to move downwards to seal the communication part of the first communication pipe 1-2-6 and the first oil tank 2-1;
the cam 3 connected with the fixing mechanism is arranged to control the first oil sealing plate 2-2, so that the fixing of the outline of the medical bed is controlled by the rotation of the fixing mechanism, and when the device is used, only the rotation of the fixing mechanism needs to be judged and controlled, and the independent control unit of the first oil sealing plate 2-2 is removed, so that the device is more closely connected, the space of misoperation is reduced, the probability of misoperation is reduced, and further, the stability of the device in use is ensured.
As a further scheme of the invention, a motor 4 is fixedly arranged on any one of the fixed blocks 1-5, and an output shaft of the motor 4 penetrates through the fixed blocks 1-5 and is fixedly connected with the rotating shafts 1-6.
When the medical bed is in operation, after a patient lies on the medical bed, the motor 4 is started, the output shaft of the motor 4 drives the rotating shafts 1 to 6 to rotate, and further the movement of the fixing mechanism is driven, so that the movement of the fixing mechanism is more stable and labor-saving compared with manual operation.
As a further scheme of the invention, the fixing mechanism comprises a supporting arm 5-1, the right end of the supporting arm 5-1 is fixedly connected with a supporting plate 5-2, the upper end of the supporting plate 5-2 is fixedly connected with a plurality of second elastic telescopic rods 5-3 which are arranged in order, the second elastic telescopic rods 5-3 comprise second hollow tubes 5-3-1, the upper ends of the second hollow tubes 5-3-1 are hermetically and slidably connected with second sliding rods 5-3-2, the upper ends of the second sliding rods 5-3-2 are fixedly connected with second pressure heads 5-3-3, the lower ends of the second sliding rods 5-3-2 are fixedly connected with second pistons 5-3-4, the second pistons 5-3-4 are hermetically and slidably connected with the inner walls of the second hollow tubes 5-3-1, the lower end of the second piston 5-3-4 is fixedly connected with a second spring 5-3-5, the lower end of the second spring 5-3-5 is fixedly connected with the bottom of a second hollow pipe 5-3-1, the upper end of the second piston 5-3-4 is matched with the inner wall of the second hollow pipe 5-3-1 to jointly form a second oil cavity, and the second hollow pipe 5-3-1 is connected with a second communicating pipe 5-3-6 in a penetrating manner; the right end of the supporting plate 5-2 is fixedly connected with a second oil tank 5-4, the second communicating pipe 5-3-6 is externally connected with a hard pipeline and is communicated with the right side wall of the second oil tank 5-4, the right side of the upper end of the second oil tank 5-4 is elastically, hermetically and slidably connected with a second oil sealing plate 5-5, the second oil sealing plate 5-5 is slidably connected with the right side inner wall of the second oil tank 5-4, the second oil sealing plate 5-5 moves downwards to seal the communicating part of the second communicating pipe 5-3-6 and the second oil tank 5-4, the left end of the second oil tank 5-4 is hermetically and slidably connected with a telescopic sliding plate 5-6, the upper end of the second oil tank 5-4 is provided with a buckle 5-7, and the left end of the fixed frame 1-4 is fixedly connected with a connecting block 1-7, the upper end of the connecting block is provided with a clamping groove 1-7-1.
When the medical bed is in operation, after a patient lies on the medical bed, (as shown in figure 1) the fixing mechanism is driven to rotate anticlockwise, the second pressure head 5-3-3 which is in contact with a human body moves towards the second hollow tube 5-3-1 under the action of extrusion of the human body, so that the top ends of the second pressure heads 5-3-3 jointly form a contour which is attached to the human body, (as shown in figure 14) when the second pressure head 5-3-3 is retracted into the second hollow tube 5-3-1, the second piston 5-3-4 is driven to move downwards by the second sliding rod 5-3-2 and the second spring 5-3-5 is compressed (the elastic force of the second spring 5-3-5 after compression is used for limiting the retraction of the second pressure head 5-3-3 and the resetting after chemotherapy is finished), so that the volume of an oil cavity in the second elastic telescopic rod 5-3 is increased, then, hydraulic oil is pumped from the second oil tank 5-4 through the second communication pipe 5-3-6 (as shown in fig. 12, the telescopic sliding plate 5-6 in the second oil tank 5-4 moves to the right, so that the volume of the second oil tank 5-4 is reduced, and the volume of the pumped hydraulic oil in the second oil tank 5-4 is compensated); then, the fixing mechanism rotates until the buckle 5-7 is inserted into the clamping groove 1-7-1 to be fixed, and the fixing mechanism is integrally arranged above the patient and is matched with the medical bed to limit the vertical direction of the patient; at the moment, the second oil sealing plate 5-5 is extruded by the connecting block 1-7, so that the second oil sealing plate 5-5 moves downwards and seals the connecting part of the second communicating pipe 5-3-6 and the second oil tank 5-4, hydraulic oil in the oil cavity cannot be discharged, the position of the second pressure head 5-3-3 is fixed by utilizing the incompressibility of liquid and negative pressure generated by the increase of the volume of the oil cavity, the outline of the fixing mechanism is maintained, and the fixing mechanism can more stably limit a patient.
As a further scheme of the invention, the buckle 5-7 comprises a sliding block 5-7-1; the sliding block 5-7-1 penetrates through the upper side wall of the second oil tank 5-4 and is vertically connected with the upper side wall in a sealing and sliding manner; the sliding block 5-7-1 is provided with a mounting groove 5-7-2 on the left side of the part outside the second oil tank 5-4, the upper end of the mounting groove 5-7-2 is connected with a wedge block 5-7-3 in a sliding manner, the right end of the wedge block 5-7-3 is transversely and fixedly connected with a third spring 5-7-4, the third spring 5-7-4 is fixedly connected with the mounting groove 5-7-2, the front side wall and the rear side wall of the third spring 5-7-4, which are positioned on the right side wall of the mounting groove 5-7-2, are respectively and fixedly connected with a first sliding shaft 5-7-5, and a second sliding shaft 5-7-6 is arranged below the first sliding shaft 5-7-5; elastic ropes 5-7-7 are fixedly connected to the right sides of the wedge blocks 5-7-3 corresponding to the first sliding shafts 5-7-5; the elastic rope 5-7-7 sequentially penetrates through the right sides of the first sliding shaft 5-7-5 and the second sliding shaft 5-7-6 at the corresponding positions and is then fixedly connected with the upper side wall of the second oil tank 5-4.
When the chemotherapy is finished, the fixing mechanism is rotated clockwise to remove the limitation on a patient, when the fixing mechanism rotates, the buckle 5-7 is limited by the clamping groove 1-7-1, (refer to figure 12) and then the buckle 5-7 slides upwards relative to the second oil tank 5-4, and then the elastic rope 5-7-7 is stretched and generates a tightening force, (for example, figure 13) the elastic rope 5-7-7 generating the tightening force generates a right pulling force on the wedge-shaped block 5-7-3 under the action of the first sliding shaft 5-7-5 and the second sliding shaft 5-7-6, so that the wedge-shaped block 5-7-3 extrudes the third spring 5-7-4, then the wedge-shaped block 5-7-3 is integrally retracted into the mounting groove 5-7-2, and after the wedge-7-3 is integrally retracted into the mounting groove 5-7-2, the buckle 5-7 and the clamping groove 1-7-1 do not have a clamping effect any longer, the buckle 5-7 is separated from the clamping groove 1-7-1, and the fixing mechanism can be reset freely;
the wedge-shaped block 5-7-3 structure of the buckle 5-7 is utilized, so that the fixing mechanism can be automatically separated from the clamping groove 1-7-1 after being subjected to certain clockwise rotating force, special separation operation is avoided, the relevance of equipment is stronger, the operation steps of the equipment are reduced, the use of the equipment is more convenient, and the use stability of the equipment is further improved.
As a further scheme of the invention, the lower end of the second oil tank 5-4 is hermetically and slidably connected with a second sliding plate 5-8, the upper end of the second sliding plate 5-8 is slidably connected with the lower end of a telescopic sliding plate 5-6, the upper end of the second sliding plate 5-8 is fixedly connected with a fixed rod 5-9, and the fixed rod 5-9 is fixedly connected with the lower end of a sliding block 5-7-1.
When the oil tank sealing device works, the buckle 5-7 slides upwards relative to the second oil tank 5-4 along with the buckle 5-7, the buckle 5-7 can drive the second sliding plate 5-8 to move upwards (before the second oil sealing plate 5-5 moves upwards to remove the blockage of the connecting part of the second communicating pipe 5-3-6 and the second oil tank 5-4, the telescopic sliding plate 5-6 can move leftwards to increase the volume of the second oil tank 5-4 and further compensate the reduction of the volume of the second oil tank 5-4 caused by the upward movement of the second sliding plate 5-8), so that the volume of the second oil tank 5-4 is reduced, and further hydraulic oil in the second oil tank 5-4 is squeezed to be injected into an oil cavity in the second elastic telescopic rod 5-3 through the second communicating pipe 5-3-6 (because the space for the left movement of the telescopic sliding plate 5-6 is limited, therefore, the reduced volume in the second oil tank 5-4 is finally compensated by injecting hydraulic oil into the oil cavity), so that the volume of the oil cavity is increased (as shown in fig. 14), and then the second pressure heads 5-3-3 move downwards to the lowest point, and all the second pressure heads 5-3-3 move downwards collectively in the resetting process of the fixing mechanism, thereby avoiding that the second elastic telescopic rod 5-3 which is close to the human body and does not contract rotates along with the fixing mechanism to press the human body to hurt the human body in the rotating resetting process of the fixing mechanism; furthermore, the patient is protected better.
Claims (9)
1. A clinical positioner for tumour chemotherapy which characterized in that: comprises a medical bed and a plurality of fixing mechanisms; the fixing mechanisms are rotatably arranged on the side surface of the medical bed; the medical bed can completely fit the back contour of a patient after the patient lies flat, and the fixing mechanism can completely fit the front contour of the patient after being fixed on the front of the patient; the medical bed can be used for stably fixing the patient on the medical bed by matching with the fixing mechanism.
2. The positioning device for clinical tumor chemotherapy according to claim 1, characterized in that: the medical bed comprises a supporting frame (1-1), a plurality of neatly-arranged first elastic telescopic rods (1-2) are fixedly arranged at the bottom of the supporting frame (1-1) in a vertical mode, a plurality of connecting rods (1-3) are fixedly connected to the upper end of the supporting frame (1-1) in a plurality of numbers, the upper end of each connecting rod (1-3) is fixedly connected with a fixing frame (1-4) in a common mode, fixing blocks (1-5) are fixedly connected to the front end and the rear end of the right side of the fixing frame (1-4) in a rotating mode, a rotating shaft (1-6) is connected between the fixing blocks (1-5), and the fixing mechanism is installed on the rotating shaft (1-6).
3. The positioning device for clinical tumor chemotherapy according to claim 2, characterized in that: an oil cavity is formed in the first elastic telescopic rod (1-2), the oil cavity is communicated with a first oil tank (2-1), and hydraulic oil needs to be pumped out of the first oil tank (2-1) when the first elastic telescopic rod (1-2) stretches.
4. The positioning device for clinical tumor chemotherapy according to claim 2, characterized in that: the first elastic telescopic rod (1-2) comprises a first hollow tube (1-2-1), the upper end of the first hollow tube (1-2-1) is connected with a first slide bar (1-2-2) in a sealing and sliding manner, the upper end of the first slide bar (1-2-2) is fixedly connected with a first pressure head (1-2-3), the lower end of the first slide bar (1-2-2) is fixedly connected with a first piston (1-2-4), the first piston (1-2-4) is connected with the inner wall of the first hollow tube (1-2-1) in a sealing and sliding manner, the lower end of the first piston (1-2-4) is fixedly connected with a first spring (1-2-5), the lower end of the first spring (1-2-5) is fixedly connected with the bottom of the first hollow tube (1-2-1), the upper end of the first piston (1-2-4) is matched with the inner wall of the first hollow pipe (1-2-1) to jointly form an oil cavity, and the first hollow pipe (1-2-1) is connected with a first communicating pipe (1-2-6) in a penetrating manner; the right side of the supporting frame (1-1) is fixedly connected with a first oil tank (2-1), the first communication pipe (1-2-6) is communicated with the left side wall of the first oil tank (2-1) through an external hard pipeline, the upper end of the first oil tank (2-1) is elastically, hermetically and slidably connected with a first oil sealing plate (2-2), the first oil sealing plate (2-2) is slidably connected with the left side inner wall of the first oil tank (2-1), the first oil sealing plate (2-2) moves downwards to block the communication position of the first communication pipe (1-2-6) and the first oil tank (2-1), and the right end of the first oil tank (2-1) is hermetically and slidably connected with a first sliding plate (2-3).
5. The positioning device for clinical tumor chemotherapy according to claim 4, characterized in that: the rotating shaft (1-6) is connected with cams (3) with the same number as the fixing mechanism in a sliding mode, the cams (3) are fixedly connected with the fixing mechanism, the upper end of the first oil sealing plate (2-2) is fixedly connected with lower pressing blocks (2-4), and the cams (3) rotate to enable the lower pressing blocks (2-4) to move downwards.
6. The positioning device for clinical tumor chemotherapy according to claim 5, characterized in that: any one of the fixing blocks (1-5) is fixedly provided with a motor (4), and an output shaft of the motor (4) penetrates through the fixing blocks (1-5) and is fixedly connected with the rotating shafts (1-6).
7. The positioning device for clinical tumor chemotherapy according to claim 2, characterized in that: the fixing mechanism comprises a supporting arm (5-1), a supporting plate (5-2) is fixedly connected to the right end of the supporting arm (5-1), a plurality of second elastic telescopic rods (5-3) which are arranged orderly are fixedly connected to the upper end of the supporting plate (5-2), each second elastic telescopic rod (5-3) comprises a second hollow tube (5-3-1), a second sliding rod (5-3-2) is connected to the upper end of the second hollow tube (5-3-1) in a sealing and sliding mode, a second pressure head (5-3-3) is fixedly connected to the upper end of the second sliding rod (5-3-2), a second piston (5-3-4) is fixedly connected to the lower end of the second sliding rod (5-3-2), and the second piston (5-3-4) and the inner wall of the second hollow tube (5-3-1) are in a sealing and sliding mode The lower end of the second piston (5-3-4) is fixedly connected with a second spring (5-3-5), the lower end of the second spring (5-3-5) is fixedly connected with the bottom of the second hollow pipe (5-3-1), the upper end of the second piston (5-3-4) is matched with the inner wall of the second hollow pipe (5-3-1) to jointly form a second oil cavity, and the second hollow pipe (5-3-1) is connected with a second communicating pipe (5-3-6) in a penetrating mode; the right end of the supporting plate (5-2) is fixedly connected with a second oil tank (5-4), the second communicating pipe (5-3-6) is communicated with the right side wall of the second oil tank (5-4) through an external hard pipeline, the right side of the upper end of the second oil tank (5-4) is elastically, hermetically and slidably connected with a second oil sealing plate (5-5), the second oil sealing plate (5-5) is slidably connected with the right side inner wall of the second oil tank (5-4), the second oil sealing plate (5-5) moves downwards to block the communicating part of the second communicating pipe (5-3-6) and the second oil tank (5-4), the left end of the second oil tank (5-4) is hermetically and slidably connected with a telescopic sliding plate (5-6), and the upper end of the second oil tank (5-4) is provided with a buckle (5-7), the left end of the fixing frame (1-4) is fixedly connected with a connecting block (1-7), and the upper end of the connecting block is provided with a clamping groove (1-7-1).
8. The positioning device for clinical tumor chemotherapy according to claim 7, characterized in that: the buckle (5-7) comprises a sliding block (5-7-1); the sliding block (5-7-1) penetrates through the upper side wall of the second oil tank (5-4) and is vertically and hermetically connected with the upper side wall in a sliding manner; the left side of the part of the sliding block (5-7-1) outside the second oil tank (5-4) is provided with an installation groove (5-7-2), the upper end of the mounting groove (5-7-2) is connected with a wedge block (5-7-3) in a sliding way, the right end of the wedge block (5-7-3) is transversely and fixedly connected with a third spring (5-7-4), the third spring (5-7-4) is fixedly connected with the mounting groove (5-7-2), the front side and the rear side of the third spring (5-7-4) are respectively and fixedly connected with a first sliding shaft (5-7-5) on the right side wall of the mounting groove (5-7-2), and a second sliding shaft (5-7-6) is arranged below the first sliding shaft (5-7-5); elastic ropes (5-7-7) are fixedly connected to the right side of the wedge-shaped block (5-7-3) corresponding to the first sliding shaft (5-7-5); the elastic rope (5-7-7) sequentially penetrates through the right sides of the first sliding shaft (5-7-5) and the second sliding shaft (5-7-6) at corresponding positions and is then fixedly connected with the upper side wall of the second oil tank (5-4).
9. The positioning device for clinical tumor chemotherapy according to claim 8, characterized in that: the lower end of the second oil tank (5-4) is connected with a second sliding plate (5-8) in a sealing sliding mode, the upper end of the second sliding plate (5-8) is connected with the lower end of the telescopic sliding plate (5-6) in a sliding mode, the upper end of the second sliding plate (5-8) is fixedly connected with a fixing rod (5-9), and the fixing rod (5-9) is fixedly connected with the lower end of the sliding block (5-7-1).
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Effective date of registration: 20231225 Address after: 266114 Floor 4, Building 5, Blue Biomedical Industrial Park, No. 368 Hedong Road, High tech Zone, Qingdao, Shandong Patentee after: Heartbeat Biomedical Technology (Qingdao) Co.,Ltd. Address before: 266011 Shandong province Qingdao City, Jiaozhou Road No. 1 Patentee before: Qingdao Municipal Hospital (Qingdao Institute of clinical medicine, Qingdao Medical Imaging Center) |