CN115054306A

CN115054306A - Adjustable brachial artery supporting device for cardiology department

Info

Publication number: CN115054306A
Application number: CN202210627705.0A
Authority: CN
Inventors: 徐桂安
Original assignee: Fuwai Central China Cardiovascular Hospital
Current assignee: Fuwai Central China Cardiovascular Hospital
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-16

Abstract

The invention relates to the technical field of cardiology department instruments, in particular to an adjustable brachial artery supporting device for cardiology department. Comprises a fixed cylinder, an air bag structure, a pressure regulating structure and an extension structure; an air cavity is arranged inside the fixed cylinder; an air pressure sensor is arranged in the air cavity, and a vent hole is also formed in the side wall of the air cavity; the air bag structure comprises an air cushion, an air bag strip and a connecting pipe; the air bag strip is of a telescopic structure; the pressure regulating structure comprises a screw rod, a nut sleeve, a pushing plate and a driving structure; the driving structure is configured to drive the screw rod to rotate forwards, so that the nut sleeve and the push plate integrally move inwards along the screw rod, the air cavity is extruded to enable the air pressure sensor to reach a preset value, the air bag strip is pressurized to a preset position, and then the air pressure in the air cavity is reduced by a preset amount and is fastened and positioned; the extension structure is configured such that the length of the fixed barrel is adjustable. The invention realizes controllable and random adjustment of pressure after the arteria brachialis hemostasis operation, and is convenient for quick recovery after operation; meanwhile, the fixing support and protection effects of postoperative care are improved.

Description

Adjustable brachial artery supporting device for cardiology department

Technical Field

The invention relates to the technical field of supporting instruments for cardiology, in particular to an adjustable brachial artery supporting device for cardiology.

Background

Brachial artery injury generally depends on the degree and symptoms of target vascular injury to determine whether to perform surgical treatment. Local open surgery is performed in the case where a blood vessel is ruptured to cause local hematoma bleeding, and peripheral nerves are pressed to cause palm ischemia. In the department of cardiology, brachial artery puncture surgery is often used for treatment, the single-wall puncture method of brachial artery puncture is adopted for puncture, and a needle tail is used for smoothly spraying blood and placing a tube. The pipe is not forced to be placed when meeting resistance. When finger numbness occurs, the puncture is stopped and the needle is withdrawn. In the prior art, the hemostasis operation after brachial artery puncture operation treatment is adopted, and the traditional hemostasis compression mode is still adopted, namely tourniquet hemostasis and elastic bandage compression are adopted, so that the mode is time-consuming and labor-consuming, the hemostasis compression effect is poor, and postoperative recovery of a patient is not facilitated. Furthermore, in the surgical treatment process of the cardiology department, the hemostasis operation and compression of the brachial artery are performed singly, and the compression pressure is uncontrollable and inconvenient to adjust; seriously affecting the nursing and recovery schedule after the operation. In addition, in the actual operation process, after the brachial artery is stopped bleeding by the tourniquet, in order to prevent the bending bleeding, the brachial artery needs to be further assisted and fixed and supported, and therefore, an adjustable brachial artery supporting device for cardiology is needed.

Disclosure of Invention

In order to solve the technical problems, the invention provides an adjustable brachial artery supporting device for cardiology department. The invention realizes the controllable and random adjustment of the pressure after the arteria brachialis hemostasis operation, so that the pressure for wrapping the patient after operation is adjusted and reduced as much as possible on the premise that the hemostasis effect is ensured for the patient, and the quick recovery after operation is convenient; and solves the problem of using different fixed support length requirements in the face of postoperative care and rehabilitation of brachial artery operations of different age groups.

The invention relates to an adjustable brachial artery supporting device for cardiology, which adopts the following technical scheme:

an adjustable brachial artery supporting device for cardiology department comprises a fixed cylinder, an air bag structure, a pressure adjusting structure and an extension structure;

the fixed cylinders are distributed on the left and right, both ends of each fixed cylinder are of open structures, and an air cavity is arranged in each fixed cylinder; the air cavity is a cylindrical sealing structure, and air pressure is filled in the air cavity; an air pressure sensor is arranged in the air cavity, and a vent hole is also formed in the side wall of the air cavity;

the air bag structure comprises an air cushion, an air bag strip and a connecting pipe; the air cushion is of an annular structure and is arranged on the inner side wall of the fixed cylinder; the air bag strips are uniformly distributed in an annular shape, are arranged on the air cushion and keep the air cushion communicated with the air cushion; the air bag strip is of a telescopic structure and is of an integrally formed structure with the air cushion; the connecting pipe is arranged on the vent hole, and one end of the connecting pipe is communicated with the air cushion, and the other end of the connecting pipe is communicated with the air cavity; a pressure control valve is arranged in the connecting pipe, so that when the air pressure in the air chamber reaches a preset value, the connecting pipe is opened and the air cushion inner chamber is pressurized;

the pressure regulating structure comprises a screw rod, a nut sleeve, a pushing plate and a driving structure; the screw rod is coaxially and rotatably arranged in the air cavity; the nut sleeve is arranged on the lead screw, and the nut sleeve and the lead screw can rotate relatively; the pushing plate is connected with the nut sleeve through a connecting rod; and the pushing plate is round; the pushing plate is also provided with a sealing rubber ring; the driving structure is configured to drive the screw rod to rotate forwards, so that the nut sleeve and the pushing plate integrally move inwards along the screw rod, the air cavity is extruded to enable the air pressure sensor to reach a preset value, the air bag strip is pressurized to a preset position, and then the air pressure in the air cavity is reduced by a preset amount and is fastened and positioned;

the extension structure is configured such that a length of the fixed barrel is adjustable.

As a preferred technical scheme: the driving structure comprises a rotating sleeve, a rotating plate and a knob; the rotating sleeve is arranged at one end of the screw rod extending out of the fixed cylinder; the rotating plate is arranged on the rotating sleeve; the knob is arranged on the outer side of the rotating plate; the knob, the rotating plate and the rotating sleeve are of an integrated structure, so that the knob can drive the screw rod to synchronously rotate and complete position fixing.

Further preferred technical solution: the driving structure further comprises a positioning structure, and the positioning structure comprises a fixing hole, a fastening bolt and a fastening pad; the fixing hole is arranged on the rotating plate; the fastening bolt is rotatably arranged in the fixing hole; the fastening pad is arranged on the inner side of the fastening bolt.

As a preferred technical scheme: the driving structure comprises a first gear, a second gear and a driving motor; the first gear is sleeved on the lead screw; the driving motor is arranged on the side wall of the fixed cylinder; the second gear is arranged on an output shaft of the driving motor; the first gear is in meshing transmission with the second gear; the side wall of the fixed cylinder is also provided with a control switch in signal connection with a driving motor; so that the driving motor drives the lead screw to synchronously rotate; the diameter of the first gear is larger than that of the second gear; and a protective cover is arranged on the outer side of the driving structure.

As a preferred technical scheme: the extension structure comprises a sleeve, an extension arm and a strong magnet block; the sleeve and the fixed cylinder have the same diameter, and one side wall of the fixed cylinder is also provided with a plurality of guide holes which are uniformly distributed in an annular manner; the extension arms are matched with the guide holes and are arranged on one side of the sleeve; the strong magnet blocks are respectively arranged in the guide holes and the extension arms; and the inner arm of the sleeve is provided with soft breathable medical cotton.

As a preferred technical scheme: and a sealing washer is arranged between the pushing plate and the lead screw, a sliding block is arranged on the inner side of the sealing washer and is matched with the lead screw for installation, the sealing state of an air cavity on the left side of the pushing plate is kept, and the nut sleeve drives the pushing plate to synchronously rotate and move.

As a preferred technical scheme: the connecting pipe is a flexible pipe; the outer edge of one end of the vent hole, which is positioned in the cavity, is also provided with a boss which is distributed annularly, and the boss is also connected with a clamping ring in a matching way; so that one end of the connecting pipe is flanged at the boss and is fixedly connected with the boss through the clamping ring.

Further preferred technical solution: the air bag strip is not inflated in the initial state and is in a contraction state; in the working process, the air pressure in the air cushion is uniformly dispersed into the plurality of air bag strips to complete the hemostasis and compression on the diseased part of the brachial artery.

As a preferred technical scheme: and a transparent observation window is also arranged on the fixed cylinder.

Further preferred technical solution: the part of the inner side wall of the fixed cylinder, which is in contact with the skin, is also provided with a certain soft breathable layer.

The invention has the beneficial effects that:

1. the device can adjust and reduce the pressure of the bandaging of the patient after the operation as much as possible on the premise of ensuring the hemostatic effect, thereby facilitating the recovery after the operation; in order to achieve the purpose, the technical scheme adopts a fixed cylinder structure, and an air bag structure is arranged on the inner side wall of the fixed cylinder; the air bag structure ensures certain softness, is convenient to contact with a human body, and increases the comfort; meanwhile, the air bag structure is connected with a driving structure, manual or automatic air bag pressurization is realized through the driving structure, a pressure detection sensor is arranged in the air bag structure, the internal air pressure of the air bag is monitored in real time, and the optimal pressure regulation on the diseased part of the brachial artery of the patient is realized through the modes of visually displaying the air pressure and intelligently controlling the pressure regulation, so that the postoperative reasonable and efficient recovery of the patient after the cardiology department is achieved;

2. the device is further provided with an extension structure at one side of the fixed cylinder, so that the length of the fixed cylinder is adjusted; the arrangement aims at solving the requirements of different auxiliary support lengths when the postoperative care and rehabilitation of the brachial artery operation in the cardiology department are faced to different age groups; the support required by the children is only 5-10 cm; adults need the fixed cylinder as a support, and the length of the fixed cylinder is about 10-20cm, so that the wide adaptability of the device is improved; by arranging the extension structure, the purpose of adjusting the length of the integral auxiliary support of the device is achieved; meanwhile, the most main air bag of the fixed cylinder is positioned and arranged above the puncture point of the brachial artery, the best effect of hemostasis and compression is ensured, and a soft breathable material is further provided at the contact part of the inner side walls of the fixed cylinder and the sleeve and the skin, so that the comfort and the safety of the device in postoperative care of the brachial artery are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a structural perspective view of a fixed cylinder of embodiment 1 of the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

fig. 4 is a top view of a fixed cylinder of embodiment 1 of the present invention;

FIG. 5 is an enlarged view of the structure of the portion C in FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is an enlarged view of the structure of the portion D in FIG. 6;

FIG. 8 is a perspective view of a partial structure of the pressure regulating structure of the present invention;

fig. 9 is a perspective view of a fixed cylinder of embodiment 2 of the invention;

fig. 10 is an enlarged view of a structure of a portion E in fig. 9.

In the figure: 1. a fixed cylinder; 11. an air cavity; 12. an air pressure sensor; 13. a vent hole; 2. an air bag structure; 21. an air cushion; 22. an air bag strip; 23. a connecting pipe; 24. a pressure control valve; 25. a boss; 26. a snap ring; 3. a pressure regulating structure; 31. a lead screw; 32. a nut sleeve; 33. a push plate; 34. a drive structure; 35. sealing the rubber ring; 36. a connecting rod; 4. an extension structure; 41. a sleeve; 42. an extension arm; 43. a strong magnet block; 44. a guide hole; 51. rotating the sleeve; 52. a rotating plate; 53. a knob; 54. a positioning structure; 55. a fixing hole; 56. fastening the bolt; 57. a fastening pad; 61. a first gear; 62. a second gear; 63. a drive motor; 7. an observation window; 8. and (4) a breathable layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: as shown in fig. 1-8:

an adjustable brachial artery supporting device for cardiology department comprises a fixing cylinder 1, an air bag structure 2, a pressure adjusting structure 3 and an extension structure 4. The fixed cylinder 1 is distributed left and right, both ends of the fixed cylinder are of open structures, and an air cavity 11 is arranged inside the fixed cylinder. In the present embodiment, the fixed cylinder 1 has a cylindrical structure. The air cavity 11 is a cylindrical sealed cavity structure, is also distributed from left to right, and is filled with air pressure. An air inlet and a safety valve arranged at the air inlet are also arranged on the fixed cylinder 1 and corresponding to the air cavity. In the initial state, the safety valve is opened, a worker inflates air into the air cavity through the air inlet hole by the external air pump, the air pressure in the air cavity is ensured to reach a preset value, and the pressure control valve is in a closed state at the moment. Still be equipped with the hole of disappointing of intercommunication air cushion on solid fixed cylinder 1, the hole of disappointing leads to the air cushion inner chamber through the pipeline, and the relief valve is also installed to hole department of disappointing, and after the device finishes using, when needing to dismantle, the relief valve that will lose hole department opens, and it can to loose the atmospheric pressure of gasbag structure, convenient and fast.

An air pressure sensor 12 is arranged in the air cavity 11 and used for monitoring the air pressure in the air cavity 11 in real time. In this embodiment, a liquid crystal display screen connected to the air pressure sensor 12 is further disposed on the sidewall of the fixing barrel 1, so that the pressure of the worker can be adjusted in real time. And the side wall of the air cavity is also provided with a vent hole 13. The fixed cylinder 1 is also provided with a transparent observation window 7, the observation window 7 can be locally or annularly distributed, so that a worker can conveniently check the observation window, the most main air bag structure center of the fixed cylinder is ensured to be correspondingly positioned and installed at the puncture point of the brachial artery, and the best effect of hemostasis and compression is ensured. And whether bleeding occurs in the compression process can be observed. In this embodiment again, also can set up fixed section of thick bamboo 1 whole and make for transparent material, and have certain gas permeability, so set up, be convenient for observe, can improve the quick answer ability to operation position postoperative care.

The part of the inner side wall of the fixed cylinder 1, which is in contact with the skin, is also provided with a certain soft breathable layer 8. The purpose of so setting up is when the device is to the supplementary fixed stay of intracardiac branch of academic or vocational study hemostasis oppression postoperative care, guarantees the ventilation effect of all the other and skin contact position, prevents that skin allergy or receives the injury.

The airbag structure 2 comprises an air cushion 21, an airbag strip 22 and a connecting pipe 23. The air cushion 21 is of an annular structure, is of a hollow structure inside, and is arranged on the inner side wall of the fixed cylinder 1. The air cushion 21 is fixedly connected with the fixed cylinder 1. The air bag strips 22 are uniformly distributed in a ring shape, are arranged on the air cushion 21 and keep the communication between the air bag strips and the air cushion; the airbag strip 22 is of a telescopic structure and is integrated with the air cushion 21. In this embodiment, the length adaptation patient postoperative hemostasis piece of air cushion and gasbag size length can, other positions also have the gasbag, will certainly weaken the pressure at puncture site, consequently guarantee that the gasbag strip oppresses also only oppresses puncture site, and other places do not need the atress. The purpose that so sets up is, the pressure regulation to brachial artery puncture point postoperative care is realized to the flexible effect through the gasbag strip, on the basis of guaranteeing hemostasis oppression, alleviates the pressure of oppression as far as possible to the progress that the postoperative resumes has been improved.

As shown in fig. 6-7, the connecting tube 23 is disposed at the vent hole 13, and has one end communicating with the air cushion 21 and the other end communicating with the air chamber 11. A pressure control valve 24 is arranged in the connecting pipe 23, so that when the air pressure in the air cavity 11 reaches a preset value, the connecting pipe 23 is opened and the inner cavity of the air cushion 21 is pressurized. The connecting pipe 23 is a flexible pipe; the outer edge of one end of the vent hole 13, which is positioned in the cavity, is also provided with a boss 25 which is distributed annularly, and the boss 25 is also connected with a snap ring 26 in a matching manner; the clamping ring is provided with a U-shaped groove, so that one end of the connecting pipe 23 is flanged at the boss 25 and is fixedly connected through the clamping ring 26 to form interference fit. The purpose of this is to allow the connection tube 23 to be fixed, thereby also ensuring a fixed set point of the pressure control valve 24.

The airbag strip 22 is not inflated in the initial state, i.e., the airbag strip is in a contracted state with small air pressure; the fixing cylinder is convenient for workers to sleeve the fixing cylinder on structures such as arms, and the center of the air bag strip is further ensured to be aligned with the puncture point of brachial artery. In the working process, the pressure control valve is opened, the air pressure in the air cushion 21 is uniformly dispersed into the plurality of air bag strips 22, the air bag strips 22 are inflated, expanded and thickened to gradually contact with the affected part, and the hemostasis and compression on the affected part of the brachial artery are completed.

As shown in fig. 8, the pressure adjusting structure 3 includes a lead screw 31, a nut sleeve 32, a pushing plate 33 and a driving structure 34. The lead screw 31 is coaxially and rotatably provided to the air chamber 11. The nut sleeve 32 is arranged on the lead screw 31 and can rotate relatively; that is, a screw nut structure is formed between the two, and the forward and reverse rotation of the screw 31 drives the nut sleeve 32 to make reciprocating linear motion.

And a sealing gasket is arranged between the pushing plate 33 and the screw rod 31 to keep the sealing of the inner ring. The inner side of the sealing washer is provided with a sliding block which is matched with the screw rod for installation, so that the spiral groove of the screw rod 31 is blocked, the sealing state of an air cavity at the left side of the pushing plate 33 (namely the internally pressurized air cavity part) is kept, and the nut sleeve 32 drives the pushing plate 33 to synchronously rotate and move. That is, in the process of the nut sleeve 32 rotating and advancing, the pushing plate 33 is driven to move inwards, so that the air in the air cavity 11 is conveniently extruded, and a stable pressurization effect is generated.

And the pushing plate 33 is circular and is adapted to the structure of the air chamber. The push plate 33 is also provided with a sealing rubber ring 35; and the sealing environment in the outer ring air cavity is ensured. The driving structure 34 is configured to drive the lead screw 31 to rotate forward, so that the nut sleeve 32 and the pushing plate 33 integrally move inward along the lead screw 31 to squeeze the air chamber 11, so that the air pressure sensor 12 in the air chamber 11 reaches a preset value, then the pressure control valve 24 is opened, the air bag strip 22 is pressurized, bulges and thickens to a preset position, and then the air pressure in the air chamber 11 is depressurized by a preset amount and is fastened and positioned. The preset amount of pressure reduction can be 2% -10% of the preset value of air pressure, and the purpose of the arrangement is to reduce the pressure of compression as far as possible on the basis of ensuring the hemostasis and compression on the brachial artery puncture point, so that the rapid recovery of the puncture part of a patient is facilitated.

In the present embodiment, the driving structure 34 includes a rotating sleeve 51, a rotating plate 52 and a knob 53. The rotating sleeve 51 is arranged at one end of the screw rod 31 extending out of the fixed cylinder 1. The rotating sleeve 51 is fixedly connected with the screw rod 31. The rotating plate 52 is arranged on the rotating sleeve 51; the knob 53 is of a fan-blade-shaped structure and is arranged on the outer side of the rotating plate 52; the knob 53 is arranged in a fan shape, so that manual operation is convenient for workers. Knob 53, rotating plate 52 and rotation cover 51 are integrated into one piece structure for the staff rotates fan-shaped knob 53, can drive lead screw 31 synchronous rotation, and then drives the nut cover and remove, accomplishes the rigidity through location structure 51 simultaneously, prevents that the device from adjusting behind the suitable pressure position, the phenomenon of return from appearing.

In this embodiment, the driving structure 34 further includes a positioning structure 54, and the positioning structure 54 includes a fixing hole 55, a fastening bolt 56, and a fastening pad 57. The fixing hole 55 is provided in the rotating plate 52; the fastening bolt 56 is rotatably provided to the fixing hole 55; the fastening pad 57 is arranged on the inner side of the fastening bolt 56, so that the fastening bolt 56 rotates to drive the fastening pad 57 to move inwards, gradually approaches the side wall of the fixed cylinder 1, and finally forms extrusion jacking contact.

The extension structure 4 is configured such that the length of the fixed cylinder 1 is adjustable. In this embodiment, the extension structure 4 includes a sleeve 41, an extension arm 42, and a ferromagnetic block 43. The diameter of the sleeve 41 is the same as that of the fixed cylinder 1, and a plurality of guide holes 44 which are uniformly distributed in an annular shape are further formed in one side wall of the fixed cylinder 1; the guide hole does not interfere with other structures. The extension arms 42 are a plurality of fitting guide holes 44, and are disposed at one side of the sleeve 41. In this embodiment, a notch is further formed on a side of the sleeve 41 corresponding to the driving structure 34, so that when the sleeve 41 and the fixed cylinder 1 are connected and mounted, the driving structure 34 does not form an obstacle as a whole.

The strong magnet blocks 43 are respectively arranged in the guide holes 44 and the extension arms 42; and the inner arm of the sleeve 41 is provided with soft breathable medical cotton. In this embodiment, the guiding hole and the extension arm are three groups for matching the installation, so set up, have improved the connection installation, form the efficiency of extension fixed stay, convenient to detach and installation, and labour saving and time saving has solved in the face of different age groups, when the postoperative care of intracardiac branch of academic or vocational study arteria brachialis operation and recovered, the demand of different auxiliary stay lengths. Moreover, in this embodiment, the fixing cylinder 1 is made of a light polymer material, and the thinner the thickness of the fixing cylinder 1 is, the better the above structure is.

The working process is as follows:

in the initial state, the airbag strip 22 is not inflated, i.e., the air pressure is small, and the airbag strip is in a contracted structure; the fixing cylinder 1 can be conveniently sleeved on an arm and other structures by workers, and the center of the air bag strip 22 is further ensured to be aligned with the puncture point of the brachial artery. At this time, the nut case 32 is located at the right end of the air chamber 11, and the region surrounded by the push plate 33 and the air chamber 11 is filled with gas of a preset pressure. At this time, the puncture point of the patient has hemostatic cotton for hemostasis.

Then, the staff sleeves the fixing cylinder 1 on the arm of the patient, and at this time, according to the different operation sizes of the patient and the requirements of auxiliary fixing support, the fixing cylinder 1 can be directly connected with the sleeve 41 on the side away from the driving structure 34, and the fixing cylinder 1 is combined and sleeved on the arm of the patient. And the center of the most main air bag structure of the fixed cylinder 1 is ensured to be correspondingly positioned and arranged at the puncture point of brachial artery through the transparent observation window 7, so that the compression hemostasis effect of the device is improved.

Then, the worker rotates the knob 53 with the sector structure clockwise to drive the lead screw 31 to rotate synchronously, and further drive the nut sleeve 32 to move to the left (i.e. move inwards) along the lead screw 31, and the nut sleeve 32 and the pushing plate 33 rotate synchronously and move, so as to drive the pushing plate 33 and the sealing rubber ring 35 to move inwards. And then the phenomenon that the volume in the air cavity 11 gradually decreases is formed, therefore, the air in the air cavity 11 is compressed, the air pressure gradually increases, when the air pressure sensor 12 in the air cavity 11 detects that the air pressure reaches a preset value, and simultaneously the pressure control valve 24 also senses the same preset air pressure value, the pressure control valve 24 is opened, the air in the air cavity 11 starts to enter the air cushion 21 and then uniformly enters the air bag strip 22, the air bag strip 22 is pressurized, and the air bag strip 22 is inflated and thickened to a preset position, so that the hemostasis and compression on the brachial artery operation puncture point is completed.

Then, the knob 53 of the fan-shaped structure is reversed to drive the push plate 33 and the nut sleeve 32 to move outwards by a preset amount, so that a certain preset amount of the preset value of the air pressure reduction in the air cavity 11 can be obtained, different preset pressure reduction amounts can be adopted according to different patients, and the positioning structure 54 is used for fastening and positioning the driving structure 34. Specifically, the fastening bolt 6 rotates to drive the fastening pad 57 to move inwards, gradually approaches the side wall of the fixed cylinder 1, and finally forms extrusion jacking contact. Namely, on the basis of ensuring the hemostasis and compression on the brachial artery puncture point, the compression pressure is reduced as much as possible, thus being beneficial to the rapid recovery of the puncture part of a patient.

Finally, according to the nursing and supporting requirements of group operations at different ages, when the postoperative nursing and rehabilitation of the brachial artery operation in the department of cardiology are carried out, different fixed support lengths are needed for protection, and the phenomena of bleeding and the like caused by bending of an affected part are prevented. In actual surgical care, the support required by the child is only about 5-10 cm; the adult needs the fixed cylinder 1 as a support, and the length of the fixed cylinder is about 10-20cm, and the extension structure 4 is arranged, so that the purpose of adjusting the length of the integral auxiliary support of the device is achieved.

After the device finishes using, when needing to dismantle, open the relief valve of the department that loses heart, it can to dispel the atmospheric pressure of gasbag structure 2, convenient and fast.

Example 2: as shown in fig. 9-10:

an adjustable brachial artery supporting device for cardiology department, the present embodiment is substantially similar to the technical solution of embodiment 1, and the difference is that: the drive structure 34 includes a first gear 61, a second gear 62, and a drive motor 63. The first gear 61 is mounted on the lead screw 31 in a sleeved manner. The driving motor 63 is arranged on the side wall of the fixed cylinder 1, the driving motor 63 adopts a miniature servo motor, can rotate forward and backward, and has a rotation prevention function without a power supply. The second gear 62 is provided on an output shaft of the drive motor 63; and the first gear 61 and the second gear 62 are in meshed transmission.

The side wall of the fixed cylinder 1 is also provided with a control switch in signal connection with the driving motor 63; meanwhile, a micro lithium battery is also arranged in the fixed cylinder 1 and used for supplying power to the driving motor. So that the driving motor 63 drives the lead screw 31 to synchronously rotate; the diameter of the first gear 61 is larger than the diameter of the second gear 62. And a protective cover is arranged outside the driving structure 34. So set up, through intelligent, automatic drive mode, under driving motor 63's positive reverse rotation, drive nut cover and slurcam and carry out reciprocating linear motion, and then realized the regulation to air cavity and gasbag internal gas pressure, further improved the device to the support and the nursing effect of suffering from the portion.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an intracardiac branch of academic or vocational study is with regulation type brachial artery strutting arrangement which characterized in that: comprises a fixed cylinder (1), an air bag structure (2), a pressure regulating structure (3) and an extension structure (4);

the fixed cylinders (1) are distributed on the left and right, both ends of each fixed cylinder are of open structures, and an air cavity (11) is arranged in each fixed cylinder; the air cavity (11) is of a cylindrical sealing structure, and air pressure is filled in the air cavity; an air pressure sensor (12) is arranged in the air cavity (11), and a vent hole (13) is formed in the side wall of the air cavity;

the air bag structure (2) comprises an air cushion (21), an air bag strip (22) and a connecting pipe (23); the air cushion (21) is of an annular structure and is arranged on the inner side wall of the fixed cylinder (1); the air bag strips (22) are uniformly distributed in a ring shape, are arranged on the air cushion (21), and are communicated with each other; the air bag strip (22) is of a telescopic structure and is of an integrally formed structure with the air cushion (21); the connecting pipe (23) is arranged on the vent hole (13), one end of the connecting pipe is communicated with the air cushion (21), and the other end of the connecting pipe is communicated with the air cavity (11); a pressure control valve (24) is arranged in the connecting pipe (23), so that when the air pressure in the air cavity (11) reaches a preset value, the connecting pipe (23) is opened and the inner cavity of the air cushion (21) is pressurized;

the pressure regulating structure (3) comprises a screw rod (31), a nut sleeve (32), a push plate (33) and a driving structure (34); the lead screw (31) is coaxially and rotatably arranged on the air cavity (11); the nut sleeve (32) is arranged on the lead screw (31) and can rotate relatively; the push plate (33) is connected with the nut sleeve (32) through a connecting rod (36); and the pushing plate (33) is circular; a sealing rubber ring (35) is also arranged on the pushing plate (33); the driving structure (34) is configured to drive the lead screw (31) to rotate forward, so that the nut sleeve (32) and the pushing plate (33) integrally move inwards along the lead screw (31), the air cavity (11) is squeezed to enable the air pressure sensor (12) to reach a preset value, the air bag strip (22) is pressurized to a preset position, and then the air pressure in the air cavity (11) is decompressed by a preset amount and is fastened and positioned;

the extension structure (4) is configured such that the length of the stationary cartridge (1) is adjustable.

2. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: the driving structure (34) comprises a rotating sleeve (51), a rotating plate (52) and a knob (53); the rotating sleeve (51) is arranged at one end of the screw rod (31) extending out of the fixed cylinder (1); the rotating plate (52) is arranged on the rotating sleeve (51); the knob (53) is of a fan-blade-shaped structure and is arranged on the outer side of the rotating plate (52); the knob (53), the rotating plate (52) and the rotating sleeve (51) are of an integrally formed structure, so that the knob (53) can drive the screw rod (31) to synchronously rotate and complete position fixing.

3. The adjustable brachial artery supporting device for cardiology department according to claim 2, wherein: the driving structure (34) further comprises a positioning structure (54), and the positioning structure (54) comprises a fixing hole (55), a fastening bolt (56) and a fastening pad (57); the fixing hole (55) is arranged on the rotating plate (52); the fastening bolt (56) is rotatably provided to the fixing hole (55); the fastening pad (57) is disposed inside the fastening bolt (56).

4. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: the drive structure (34) comprises a first gear (61), a second gear (62) and a drive motor (63); the first gear (61) is sleeved on the lead screw (31); the driving motor (63) is arranged on the side wall of the fixed cylinder (1); the second gear (62) is arranged on an output shaft of the driving motor (63); the first gear (61) is in meshed transmission with the second gear (62); the side wall of the fixed cylinder (1) is also provided with a control switch in signal connection with a driving motor (63); so that the driving motor (63) drives the lead screw (31) to synchronously rotate; the diameter of the first gear (61) is larger than the diameter of the second gear (62); and a protective cover is arranged on the outer side of the driving structure (34).

5. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: the extension structure (4) comprises a sleeve (41), an extension arm (42) and a strong magnet block (43); the diameter of the sleeve (41) is the same as that of the fixed cylinder (1), and a plurality of guide holes (44) which are uniformly distributed in an annular mode are further formed in one side wall of the fixed cylinder (1); the extension arms (42) are matched with a plurality of guide holes (44) and are arranged on one side of the sleeve (41); the strong magnet blocks (43) are respectively arranged in the guide holes (44) and the extension arms (42); and the inner arm of the sleeve (41) is provided with soft breathable medical cotton.

6. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: and a sealing gasket is arranged between the pushing plate (33) and the screw rod (31), and the sealing state of the air cavity on the left side of the pushing plate (33) is kept.

7. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: the connecting pipe (23) is a flexible pipe; the outer edge of one end of the vent hole (13) positioned in the cavity is also provided with a boss (25) which is distributed annularly, and the boss (25) is also connected with a snap ring (26) in a matching way; one end of the connecting pipe (23) is flanged at the boss (25) and fixedly connected through a snap ring (26).

8. The adjustable brachial artery supporting device for cardiology department according to claim 7, wherein: the airbag strip (22) is not inflated in the initial state and is in a contraction state; in the working process, the air pressure in the air cushion (21) is uniformly dispersed into the plurality of air bag strips (22) to complete the hemostasis and compression on the diseased part of the brachial artery.

9. The adjustable brachial artery supporting device for cardiology department according to claim 1, wherein: and a transparent observation window (7) is also arranged on the fixed cylinder (1).

10. The adjustable brachial artery supporting device for cardiology department according to claim 9, wherein: the part of the inner side wall of the fixed cylinder (1) which is in contact with the skin is also provided with a certain soft breathable layer (8).