CN113599152B

CN113599152B - PICC puts a tub bed

Info

Publication number: CN113599152B
Application number: CN202110881940.6A
Authority: CN
Inventors: 王小娇; 贾新; 李晓宁; 王晓明
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-02-07
Anticipated expiration: 2041-08-02
Also published as: CN113599152A

Abstract

The invention discloses a PICC (peripherally inserted central catheter) tube placing bed which comprises four supporting columns, wherein the tops of the four supporting columns are provided with a bed board, and a mattress is arranged on the bed board; a bottom plate is arranged among the four supporting columns, a driving mechanism is arranged on the bottom plate, the top of the driving mechanism is connected with an arm plate through an arm plate rotating support assembly, an L-shaped arm support is rotatably arranged on the arm plate, and the arm plate is close to one side of the bed head; the top of the driving mechanism is also connected with an instrument table board through a first supporting spring, the instrument table board is close to one side of the bed tail, a first limiting groove is formed in the center of the top of the instrument table board and extends to the front side edge and the rear side edge of the instrument table board in the front-rear direction, and a plurality of first limiting columns are uniformly arranged at positions, corresponding to the first limiting groove, of the bottom of the bed board; the driving mechanism is used for driving the arm plate and the instrument table-board to move back and forth; the side of the bed plate is also provided with a jugular vein compression component. The PICC catheterization bed has high intelligent degree, saves the labor cost and reduces the working intensity of medical personnel.

Description

PICC puts a tub bed

Technical Field

The invention relates to the technical field of medical instruments, in particular to a PICC (peripherally inserted central catheter) catheterization bed.

Background

PICC puts the pipe and puts into central venous catheter's english abbreviation for the periphery puncture promptly, is a deep vein from peripheral vein leading-in and terminal position in central vein and puts the pipe technique, and PICC wide application is clinical, puts the management place and is ward or put the management room, goes on at ordinary sick bed or examining bed, and it has a lot of limitations to just there is the hospital to design PICC by oneself and puts the pipe bed, puts the expansion of pipe technique for better realization PICC.

The PICC that uses in the clinic at present puts a tub bed has following several problems: (1) The bed height is fixed, different medical care personnel and patients can not obtain comfortable body positions, and the success rate of tube placement is reduced; (2) Some old people in PICC patients have inconvenient actions and stiff limbs, and require nurses to adjust the arms to the body positions suitable for tube placement during tube placement, so that the operation is inconvenient, the adjustment difficulty is high, and the limbs are agitated due to the sensitivity of the bodies of the patients during the tube placement process, so that the movement of the limbs is generated, and the success rate of tube placement is influenced; (3) When the PICC is used for catheter placement, a sterile object table is needed for placing surgical instruments, an independent table top is clinically adopted at present, the sterile object table is pushed to the front of a bed when the PICC is used, a ward space is occupied, and the workload of nurses is increased by pushing the table top back and forth; (4) In order to prevent the tip of the catheter from mistakenly entering the jugular vein in the PICC (peripherally inserted central catheter) catheterization process, a hand-oppressing jugular vein method is usually adopted, namely, when the PICC catheterization is carried out, a nurse is assisted to oppress the patient to puncture the lateral jugular vein by using the hand greater thenar muscle, so that the included angle between the jugular vein and the supraclavicular vein of the patient is artificially formed into an acute angle; this mode of operation needs to have a special nurse to press patient's jugular vein in the art, has improved the human cost, and degree of automation is lower.

Disclosure of Invention

Aiming at the existing problems, the invention aims to provide a PICC (peripherally inserted central catheter) catheter bed, which can solve the problems existing in the prior PICC catheter bed in the background art, has high intelligence degree, saves the labor cost and reduces the working strength of medical personnel.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a PICC (peripherally inserted central catheter) catheterization bed comprises four struts, wherein a bed board is arranged at the tops of the four struts, a mattress is arranged on the bed board, a bed head is arranged at one end of the bed board, and a bed tail is arranged at the other end of the bed board; the method is characterized in that: a bottom plate is arranged among the four supporting columns, a driving mechanism is arranged on the bottom plate, the top of the driving mechanism is connected with an arm plate through an arm plate rotating support assembly, an L-shaped arm support is rotatably arranged on the arm plate, and the arm plate is close to one side of the bed head;

the top of the driving mechanism is also connected with an instrument table board through a first supporting spring, the instrument table board is close to one side of the bed tail, a first limiting groove is formed in the center of the top of the instrument table board and extends to the front side edge and the rear side edge of the instrument table board along the front-rear direction, and a plurality of first limiting columns are uniformly arranged at positions, corresponding to the first limiting groove, of the bottom of the bed board; the driving mechanism is used for driving the arm plate and the instrument table top to move back and forth.

Further, the driving mechanism comprises a reciprocating motor, a first rotating shaft, a first lead screw, a first vertical plate, a first lead screw nut, a second lead screw, a second rotating shaft, a second vertical plate, a first belt pulley, a second belt pulley, a belt, a second lead screw nut, a first mounting plate, a second hydraulic rod, a first telescopic rod and a second mounting plate;

the reciprocating motor is arranged at the top of the bottom plate close to the rear side, an output shaft of the reciprocating motor is connected with one end of the first rotating shaft, the other end of the first rotating shaft is connected with a first lead screw, a first vertical plate is arranged on the bottom plate close to the front side of the bed plate, one end of the first lead screw is fixedly connected with the first rotating shaft, the other end of the first lead screw is rotatably connected with the first vertical plate, and a first lead screw nut matched with the first lead screw is arranged on the first lead screw;

a second lead screw is further rotatably arranged on the first vertical plate, the second lead screw is arranged in parallel with the first lead screw, one end of the second lead screw is rotatably connected with the first vertical plate, the other end of the second lead screw is fixedly connected with one end of a second rotating shaft, the other end of the second rotating shaft is rotatably connected with the second vertical plate, the second vertical plate is arranged on the top, close to the rear side, of the bottom plate, and a second lead screw nut matched with the second lead screw is arranged on the second lead screw;

a first belt pulley is fixedly sleeved on the first rotating shaft, a second belt pulley is fixedly sleeved on the second rotating shaft, and the first belt pulley is in transmission connection with the second belt pulley through a belt;

first lead screw nut with the first mounting panel of second lead screw nut's top fixedly connected with, upwards install the second hydraulic stem perpendicularly in the top of first mounting panel, the output of second hydraulic stem is connected with the second mounting panel, first mounting panel with there is first telescopic link still swing joint between the second mounting panel, the rotatory supporting component of arm board with first supporting spring all installs the top that the second mounting panel is close to the front side.

Further, the arm plate rotating support assembly comprises a first mounting column fixedly arranged on the second mounting plate, and the first mounting column is arranged close to one side of the bed head; a first mounting groove is formed in the top of the first mounting column, a first rotating motor is mounted in the first mounting groove, a rotating support column is mounted on an output shaft of the first rotating motor and penetrates through the top of the first mounting groove, and the top of the rotating support column is fixedly connected with the bottom of the arm plate;

a first sleeve is fixedly sleeved outside the rotary supporting column, a first inclined rod is fixedly arranged on the outer side wall of the first sleeve, one end of the first inclined rod is fixedly connected with the first sleeve, and the other end of the first inclined rod is fixedly connected with the bottom of the arm plate; the distance between the second mounting plate and the arm plate is matched with the total thickness of the bed plate and the mattress.

Furthermore, an L-shaped plate is fixedly arranged at the bottom of one end, close to the bed tail, of the arm plate, a second rotating motor is arranged on the bottom surface of the L-shaped plate, a third rotating shaft is arranged on an output shaft of the second rotating motor, the third rotating shaft penetrates through the arm plate, and a first bevel gear is fixedly sleeved on the third rotating shaft and positioned above the arm plate;

a third vertical plate is fixedly arranged at the top of one end, close to the bed tail, of the arm plate, a fourth rotating shaft is rotatably connected onto the third vertical plate, the fourth rotating shaft extends along the long axis direction of the arm plate, and the fourth rotating shaft penetrates through the corner of the arm support; and a second bevel gear is fixedly sleeved on the fourth rotating shaft, and the first bevel gear is meshed with the second bevel gear.

Furthermore, two invisible accommodating grooves are symmetrically formed in the bottom of the instrument table board, a first supporting column and a second supporting column are movably connected in each invisible accommodating groove, the first supporting column is matched with the second mounting plate for use, and the second supporting column is matched with the mattress for use;

and each first limiting column is provided with a roller at the bottom.

Furthermore, a first binding belt is detachably arranged on the arm support, a second binding belt is detachably arranged at a position, corresponding to the first binding belt, on the mattress, two third binding belts are detachably arranged at a position, close to the bed tail, on the mattress, and the first binding belt, the second binding belt and the third binding belts are identical in structure.

Furthermore, the second constraint area comprises an adhesive layer, a first air bag is arranged at the center of the top of the adhesive layer, and a gap is reserved between the first air bag and the adhesive layer.

Furthermore, a jugular vein pressing assembly is further arranged on the side face of one end, close to the bed head, of the bed board, and the jugular vein pressing assembly, the arm plate and the instrument table top are located on the same side of the bed board.

Furthermore, the jugular vein compression assembly comprises a second mounting column fixedly connected with the side face of the bed board, the top of the second mounting column is fixedly connected with a cross rod, the cross rod is positioned above the bed board, the bottom of the cross rod is hinged with a movable arm, a second mounting groove is formed in the center of the bottom of the movable arm, a third hydraulic rod is mounted in the second mounting groove, the output end of the third hydraulic rod penetrates through the second mounting groove, the output end of the third hydraulic rod is fixedly connected with a first pressing plate, the bottom of the first pressing plate is connected with a second pressing plate through a second supporting spring, a second air bag is arranged at the bottom of the second pressing plate, and the bottom of the second air bag is of a long strip-shaped structure;

two guide grooves are symmetrically formed in two sides of the second mounting groove, each guide groove is internally connected with a guide rod in a sliding mode, the guide rods penetrate through the guide grooves, and the end portions of the guide rods are fixedly connected with the first pressing plate.

Furthermore, every all be equipped with first hydraulic stem in the pillar, the output of first hydraulic stem with the bottom surface fixed connection of bed board, the bottom of pillar is installed and is removed the wheel.

The invention has the beneficial effects that: compared with the prior art, the invention is improved in that,

1. the PICC tube placing bed is provided with the arm plate and the instrument table top below the bed board, the arm plate and the instrument table top can move to the position below the bed board when not used, and the PICC tube placing bed can be used as a conventional hospital bed; when carrying out PICC and putting the pipe, can drive the side to the bed board through actuating mechanism with arm board and apparatus mesa, and make arm board and apparatus mesa be located the top of bed board, the arm that the patient will need to put the pipe is placed on the arm support at arm board top, and the apparatus mesa is used for placing surgical instruments, need not to use an solitary mesa to push away to PICC and puts a tub bedside, has simplified the operation of putting the pipe, has also saved the shared ward space of operation of putting the pipe.

2. The PICC tube placing bed simultaneously drives the arm plate and the instrument table top to move by using a set of driving mechanism, and drives the first lead screw and the second lead screw to rotate through the reciprocating motor, so that the first lead screw nut and the second lead screw nut are driven to move back and forth, and the first lead screw nut and the second lead screw nut drive the first mounting plate and the second mounting plate to integrally move back and forth; the second hydraulic rod on the first mounting plate can drive the second mounting plate to lift, so that the arm plate and the instrument table top are driven to move up and down; one set of driving mechanism drives the arm plate and the instrument table-board to move simultaneously, so that the energy consumption is saved, and the operation is simplified.

3. Because the apparatus mesa highly should be higher than the bed surface when using, consequently PICC puts the pipe bed in this application and is provided with first supporting spring between second mounting panel and apparatus mesa, when the apparatus mesa is located the bed board below, first supporting spring is compressed, the cooperation of first spacing post and gyro wheel and the first spacing groove at apparatus mesa top of bed board below, can not influence the removal of apparatus mesa, and when the apparatus mesa is moved to the side of bed board, the apparatus mesa breaks away from with the bed board bottom, deformation is resumeed to first supporting spring, jack-up the apparatus mesa makes progress, the hidden first supporting column and the second supporting column of accomodating in apparatus mesa bottom use with second mounting panel and mattress cooperation respectively, can improve the stability of apparatus mesa.

4. According to the PICC catheterization bed, the arm plate and the arm support can rotate under the action of the arm plate rotation supporting assembly, the arm plate and the arm support are driven to integrally rotate through the first rotating motor, the arms of a patient can be rotated to the direction perpendicular to the body (or any direction convenient for operation) from the position parallel to the body, and the first inclined rod can improve the stability of the arm plate; the arm support can also rotate under the action of the second rotating motor, so that the arms of the patient can rotate from the inward expansion state to the outward expansion state, the tube placing operation is convenient, for the patient with stiff arms, the arm plate rotating support assembly and the second rotating motor are used for driving the arm plate and the arm support to rotate to adjust the position of the arms of the patient, the operation is convenient, the labor intensity of medical personnel is reduced, and the manpower is saved.

5. According to the PICC catheterization bed, the jugular vein compression assembly is arranged on the side face of the bed plate, the second air bag is positioned above the jugular vein of a patient by adjusting the angle of the movable arm, the third hydraulic rod is started to push the first pressing plate, the second pressing plate and the second air bag to compress the jugular vein of the patient, the puncture tube is prevented from passing through the jugular vein, the second supporting spring can play a buffering role, and the patient is prevented from being damaged under the impact action of the third hydraulic rod; compared with the prior art in which medical staff press the jugular vein of a patient with hands, the jugular vein compression assembly further reduces the working intensity of the medical staff and improves the intelligence degree of equipment.

6. According to the PICC tube placing bed, the first binding belt, the second binding belt and the third binding belt which are used for fixing the arms and the legs of a patient are detachably arranged on the PICC tube placing bed, the arms and the legs of the patient can be fixed, the tube placing process of the patient due to the restless motion of four limbs is avoided, and the comfort level of the patient can be improved due to the fact that the first binding belt, the second binding belt and the third binding belt are of air bags.

7. According to the PICC tube placing bed, the position marks are arranged on the bed head, the bed tail and the side face of the bed board, so that a patient can quickly lie on the optimal tube placing position according to the position marks, the tube placing efficiency is improved, and the condition that the patient moves back and forth on the bed to adjust and replace the posture to influence the tube placing efficiency is avoided.

Drawings

Fig. 1 is a front view of a PICC placement bed structure of the present invention.

Fig. 2 is a schematic view of a connection relationship between a second mounting plate and an arm plate of the PICC catheterization bed of the present invention.

FIG. 3 is a partial enlarged view of the structure of portion A of FIG. 1 according to the present invention.

Fig. 4 is a bottom view of the table top structure of the instrument of the present invention.

FIG. 5 is a schematic view of the connection between the arm plate and the arm support according to the present invention.

Fig. 6 is a left side view of the structure of the PICC catheter placement bed of the present invention with the armplate below the bed plate.

Fig. 7 is a left side view of the structure of the PICC catheter placement bed of the present invention with the armplate above the bed plate.

Fig. 8 is a structural right view of the PICC catheterization bed of the present invention with the instrument table top positioned below the bed plate.

Fig. 9 is a right side view of the structure of the PICC catheterization bed of the present invention with the instrument table top located above the bed plate.

FIG. 10 is a top view of the driving mechanism of the present invention.

FIG. 11 is a top view of the drive mechanism of the present invention in positional relationship to the arm plate and instrument table.

Fig. 12 is a structural plan view of the PICC catheterization bed of the present invention during use.

Fig. 13 is a schematic view of a third strap structure according to the present invention.

Fig. 14 is a schematic view of a jugular vein compression assembly of the present invention.

FIG. 15 is a partial enlarged view of the portion B of FIG. 14 according to the present invention.

Figure 16 is a bottom plan view of a second bladder arrangement according to the present invention.

Wherein: 101-a support column, 102-a first hydraulic rod, 103-a bed board, 1031-a first limit column, 1032-a roller, 104-a mattress, 105-a moving wheel, 106-a bed head, 107-a bed tail, 2-a bottom board, 301-a reciprocating motor, 302-a first rotating shaft, 303-a first lead screw, 304-a first vertical board, 305-a first lead screw nut, 306-a second lead screw, 307-a second rotating shaft, 308-a second vertical board, 309-a first belt pulley, 3010-a second belt pulley, 3011-a belt, 3012-a second lead screw nut, 4-a first mounting board, 401-a second hydraulic rod, 402-a first telescopic rod, 5-a second mounting board, 6-an arm board rotating support component, 601-a first mounting column, 602-a first mounting groove, 603-a first rotating motor, 604-a rotating support column, 605-a first sleeve, 606-a first diagonal rod, 7-an arm plate, 701-an L-shaped plate, 702-a second rotating motor, 703-a third rotating shaft, 704-a first bevel gear, 705-a third vertical plate, 706-a fourth rotating shaft, 707-a second bevel gear, 8-an arm support, 9-a first support spring, 10-an instrument table-board, 1001-a first limit groove, 1002-an invisible accommodating groove, 1003-a first support column, 1004-a second support column, 11-a position mark, 12-a first binding band, 13-a second binding band, 14-a third binding band, 1301-an adhesive layer, 1302-a first air bag, 15-a second mounting column, 16-a cross bar, 17-movable arm, 1701-second mounting groove, 1702-guide groove, 18-third hydraulic rod, 19-guide rod, 20-first pressing plate, 21-second supporting spring, 22-second pressing plate, 23-second air bag.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description will be made with reference to the accompanying drawings and embodiments.

Referring to fig. 1-15, the PICC catheter placement bed includes four support columns 101, a first hydraulic rod 102 is disposed in each support column 101, an output end of the first hydraulic rod 102 is fixedly connected with a bottom surface of the bed plate 103, a moving wheel 105 is mounted at a bottom of each support column 101, the top of each support column 101 is provided with the bed plate 103, the bed plate 103 is provided with a mattress 104, one end of the bed plate 103 is provided with a bed head 106, and the other end of the bed plate 103 is provided with a bed tail 107; the column 101, the first hydraulic rod 102, the bed plate 103, the mattress 104, the moving wheels 105, the bed head 106, and the bed periphery 107 form a bed main body.

Furthermore, a bottom plate 2 is arranged among the four support columns 101, a driving mechanism is arranged on the bottom plate 2, the top of the driving mechanism is connected with an arm plate 7 through an arm plate rotating support assembly 6, an L-shaped arm support 8 is rotatably arranged on the arm plate 7, the corner of the L-shaped arm support 8 is hinged with the arm plate 7, and the arm plate 7 is close to one side of the bed head 103;

specifically, the driving mechanism comprises a reciprocating motor 301, a first rotating shaft 302, a first lead screw 303, a first vertical plate 304, a first lead screw nut 305, a second lead screw 306, a second rotating shaft 307, a second vertical plate 308, a first belt pulley 309, a second belt pulley 3010, a belt 3011, a second lead screw nut 3012, a first mounting plate 4, a second hydraulic rod 401, a first telescopic rod 402 and a second mounting plate 5;

the reciprocating motor 301 is mounted at the top of the bottom plate 2 close to the rear side, an output shaft of the reciprocating motor 301 is connected with one end of the first rotating shaft 302 through a coupler, the other end of the first rotating shaft 302 is connected with a first lead screw 303, a first vertical plate 304 is arranged on the bottom plate 2 close to the front side of the bed plate 103, one end of the first lead screw 303 is fixedly connected with the first rotating shaft 302, the other end of the first lead screw 303 is rotatably connected with the first vertical plate 304 through a bearing, and a first lead screw nut 305 matched with the first lead screw 303 is arranged on the first lead screw 303; the reciprocating motor 301 rotates to drive the first rotating shaft 302 and the first lead screw 303 to rotate, so as to drive the first lead screw nut 305 on the first lead screw 303 to move back and forth;

the first vertical plate 304 is further rotatably provided with a second lead screw 306 through a bearing, the second lead screw 306 is arranged in parallel with the first lead screw 303, one end of the second lead screw 306 is rotatably connected with the first vertical plate 304 through a bearing, the other end of the second lead screw 306 is fixedly connected with one end of a second rotating shaft 307, the other end of the second rotating shaft 307 is also rotatably connected with a second vertical plate 308 through a bearing, the second vertical plate 308 is mounted on the top portion, close to the rear side, of the bottom plate 2, the second vertical plate 308 is arranged in parallel with the first vertical plate 304, and a second lead screw nut 3012 matched with the second lead screw 306 is arranged on the second lead screw 306;

the first rotating shaft 302 is fixedly sleeved with a first belt pulley 309, the second rotating shaft 307 is fixedly sleeved with a second belt pulley 3010, and the first belt pulley 309 is in transmission connection with the second belt pulley 3010 through a belt 3011; when the first rotating shaft 302 rotates, the first belt pulley 309 drives the second belt pulley 3010 to rotate through the belt 3011, and when the second belt pulley 3010 rotates, the second rotating shaft 307 and the second lead screw 306 are driven to rotate synchronously, so as to drive the second lead screw nut 3012 on the second lead screw 206 to move back and forth; under the action of the belt 3011, the rotation directions of the first rotating shaft 302 and the second rotating shaft 307 are the same, so that the rotation directions of the first lead screw 303 and the second lead screw 306 are also the same, and the first lead screw 303 and the second lead screw 306 adopt lead screws with the same rotation direction, so that the first lead screw nut 305 and the second lead screw nut 3012 can synchronously move forward or backward.

Further, a first mounting plate 4 is fixedly connected to the tops of the first lead screw nut 305 and the second lead screw nut 3012, a second hydraulic rod 401 is vertically installed on the top of the first mounting plate 4 upwards, the output end of the second hydraulic rod 401 is connected to a second mounting plate 5, a first telescopic rod 402 is further hinged between the first mounting plate 4 and the second mounting plate 5, and the arm plate rotation support assembly 6 and the first support spring 9 are both installed on the top of the second mounting plate 5 near the front side; the distance between the second mounting plate 5 and the arm plate 7 is matched with the total thickness of the bed plate 103 and the mattress 104. When the reciprocating motor 301 drives the first lead screw nut 305 and the second lead screw nut 3012 to move forwards synchronously, the reciprocating motor can drive the first mounting plate 4 and the second mounting plate 5 mounted on the first mounting plate 4, the arm plate 7 mounted on the second mounting plate 5 and the instrument table top 10 to move from the lower side of the bed plate 103 to the front side of the bed plate 103, when the arm plate 7 and the instrument table top 10 move from the lower side of the bed plate 103 to the side surface of the bed plate 103, the second hydraulic rod 401 is started, the second hydraulic rod 401 drives the arm plate 7 mounted on the second mounting plate 5 and the instrument table top 10 to move upwards, and the first telescopic rod 402 extends along with the arm plate to support the second mounting plate 5; when the bottom surface of the arm plate 7 is parallel to the top surface of the mattress 104, the reciprocating motor 301 can be started to rotate reversely, so as to drive the arm plate 7 to move towards the rear side of the mattress 104 above the mattress 104, so that the arm plate 7 is positioned right above the mattress 104, and a patient can place an arm to be replaced on the arm plate 7 conveniently.

Further, the arm plate rotation support assembly 6 comprises a first mounting column 601 fixedly arranged on the second mounting plate 5, and the first mounting column 601 is arranged close to one side of the bed head 106; a first mounting groove 602 is formed in the top of the first mounting column 601, a first rotating motor 603 is mounted in the first mounting groove 602, a rotating support column 604 is mounted on an output shaft of the first rotating motor 603, the rotating support column 604 penetrates through the top of the first mounting groove 602, and the top of the rotating support column 604 is fixedly connected with the bottom of the arm plate 7; the arm plate 7 is of a rectangular structure, the first rotating motor 603 rotates to drive the rotating support column 604 to rotate, and further drive the arm plate 7 to rotate, the long axis direction of the bed plate 103 in the long axis direction of the arm plate 7 is parallel in the initial state, the patient places the arm needing to be placed on the arm support 8 at the top of the arm plate 7, and then the first rotating motor 603 is started to drive the arm plate 7 to rotate, so that the arm placed on the arm support 8 by the patient rotates to the direction convenient for placing the tube along with the rotation of the arm plate 7.

In order to improve the stability of the arm plate 7 in the rotating process, a first sleeve 605 is fixedly sleeved outside the rotating support column 604, the first sleeve 605 can rotate along with the rotating support column 604, a first inclined rod 606 is fixedly arranged on the outer side wall of the first sleeve 605, one end of the first inclined rod 606 is fixedly connected with the first sleeve 605, and the other end of the first inclined rod 606 is fixedly connected with the bottom of the arm plate 7.

Further, an L-shaped plate 701 is fixedly arranged at the bottom of one end, close to the tailstock 107, of the arm plate 7, a second rotating motor 702 is arranged on the bottom surface of the L-shaped plate 701, a third rotating shaft 703 is arranged on an output shaft of the second rotating motor 702, the third rotating shaft 703 penetrates through the arm plate 7, and a first bevel gear 704 is fixedly arranged on the third rotating shaft 703 and above the arm plate 7;

a third vertical plate 705 is fixedly arranged at the top of one end, close to the bed tail 107, of the arm plate 7, a fourth rotating shaft 706 is rotatably connected to the third vertical plate 705, the fourth rotating shaft 706 extends along the long axis direction of the arm plate 7, and the fourth rotating shaft 706 penetrates through the corner of the arm support 8; a second bevel gear 707 is fixedly sleeved on the fourth rotating shaft 706, and the first bevel gear 704 is meshed with the second bevel gear 707. When the second rotating motor 702 rotates, the third rotating shaft 703 and the first bevel gear 704 are driven to rotate, the first bevel gear 704 drives the second bevel gear 707 engaged with the first bevel gear to rotate, and the second bevel gear 707 drives the fourth rotating shaft 706 to rotate, so as to drive the arm support 8 to rotate, so that the arms of the patient are adjusted from the inward expansion state to the outward expansion state in the normal state, and the tube placement is convenient.

Further, actuating mechanism's top still is connected with apparatus mesa 10 through first supporting spring 9, apparatus mesa 10 is close to tailstock 107 one side, first spacing groove 1001 has been seted up to apparatus mesa 10's top central point department, first spacing groove 1001 extends to along the fore-and-aft direction the front side edge and the rear side edge of apparatus mesa 10, the bottom of bed board 103 with the corresponding position department of first spacing groove 1001 evenly is equipped with a plurality of first spacing posts 1031, every gyro wheel 1032 is all installed to first spacing post 1031's bottom. When the instrument table top 10 is located below the bed plate 103, the first support spring 9 is compressed, the first limit post 1031 and the roller 1032 below the bed plate 103 are matched with the first limit groove 1001 at the top of the instrument table top 10, the movement of the instrument table top 10 cannot be influenced, and when the instrument table top 10 is moved to the side face of the bed plate 103, the instrument table top 10 is separated from the bottom of the bed plate 103, the first support spring 9 recovers deformation, the instrument table top 10 is upwards jacked up, the height of the instrument table top 10 is higher than that of the bed body, and medical staff can take surgical instruments on the instrument table top 10 conveniently.

Further, two invisible accommodating grooves 1002 are symmetrically formed in the bottom of the instrument table top 10, each invisible accommodating groove 1002 is movably connected with a first supporting column 1003 and a second supporting column 1004, the first supporting column 1003 and the second mounting plate 5 are matched for use, a limiting groove matched with the first supporting column 1003 is formed in the side face of the second mounting plate 5, the first supporting column 1003 is transferred to a position corresponding to the limiting groove from the invisible accommodating groove 1002, the first supporting column 1003 is inserted into the corresponding limiting groove, the second supporting column 1004 and the mattress 104 are matched for use, only the first supporting column 1004 is transferred to the bottom from the invisible accommodating groove 1002 and is supported on the mattress 1004, the first supporting column 1003 and the second supporting column 1004 hidden and accommodated in the bottom of the instrument table top 10 are respectively matched with the second mounting plate 5 and the mattress 103 for use, and the stability of the instrument table top 10 can be improved.

Further, a first binding belt 12 is detachably arranged on the arm support 8, a second binding belt 13 is detachably arranged on the mattress 104 at a position corresponding to the first binding belt 12, two third binding belts 14 are detachably arranged on the mattress 104 near the bed tail 107, and the first binding belt 12, the second binding belt 13 and the third binding belts 14 have the same structure. The second binding belt 13 comprises an adhesive layer 1301, a first air bag 1302 is arranged at the center of the top of the adhesive layer 1301, and a gap is reserved between the first air bag 1302 and the adhesive layer 1301. The pasting layer 1301 is pasted at the corresponding position on the arm support 8 or the mattress 104, the arms and the legs of the patient respectively penetrate through the gaps between the pasting layer 1301 and the first air bags 1302, the air is filled into the first air bags 1302, the arms and the legs of the patient are fixed, and the phenomenon that the arms or the legs of the patient shift due to agitation in the process of placing the tube is avoided, so that the tube placing operation is not influenced. It should be noted that the sizes of the arm plate 7 and the instrument table 10 can be adjusted according to clinical needs.

Furthermore, a jugular vein compression assembly is further arranged on the side face of one end, close to the bed head 106, of the bed plate 103, and the jugular vein compression assembly, the arm plate 7 and the instrument table top 10 are located on the same side of the bed plate 103.

Specifically, jugular vein oppression subassembly include with bed board 103 side fixed connection's second erection column 15, the top fixedly connected with horizontal pole 16 of second erection column 15, horizontal pole 16 is located the top of bed board 103, the articulated digging arm 17 that is connected with in bottom of horizontal pole 16, it needs to explain that, here the articulated connecting piece that adopts the spacing function in the prior art of being connected articulated between digging arm 17 and the horizontal pole 16 rotates digging arm 17 to required position after, and digging arm 17 itself can not take place pivoted under the effect of not having the external force. The bottom central point department of digging arm 17 has seted up second mounting groove 1701, install third hydraulic stem 18 in the second mounting groove 1701, the output of third hydraulic stem 18 runs through second mounting groove 1701, just the output end fixedly connected with of third hydraulic stem 18 presses the pressure board 20, the bottom of first pressure board 20 is connected with the second through second supporting spring 21 and presses the pressure board 22, the bottom of second pressure board 22 is equipped with second gasbag 23, the bottom of second gasbag 23 is rectangular shape structure, is similar with the side structure of human palm, and rectangular shape structure's intermediate position department is the arc, is similar with human clavicle shape, and this design can improve the effect of pressing of second gasbag 23 to patient's jugular vein. After inflation of the second bladder 23, the second bladder 23 is used to compress the patient's jugular vein, similar to the effect of compressing the patient's jugular vein using the palm side of the user's hand, to avoid tubing passing through the patient's jugular vein.

Furthermore, two guide grooves 1702 are symmetrically formed in two sides of the second installation groove 1701, a guide rod 19 is slidably connected in each guide groove 1702, the guide rod 19 penetrates through the guide grooves 1702, and the end of the guide rod 19 is fixedly connected with the first pressing plate 20. The guide rod 19 and the guide groove 1702 are matched with each other, so that the stability of the first pressing plate 20 and the second pressing plate 22 moving along with the third hydraulic rod 18 can be improved, and the second supporting spring 21 between the first pressing plate 20 and the second pressing plate 22 can play a role in buffering, so that the damage to a patient under the impact action of the third hydraulic rod 18 is avoided.

Further, the side surfaces of the bed head 106, the bed tail 107 and the bed board 103 are provided with position marks 11, the position marks 11 are set according to the position of the arm board 7, so that the arm of a patient can be prevented from being optimal on the arm board 7 when lying on the mattress 104, the patient can quickly lie on the optimal tube placing position according to the position marks 11, then fine adjustment is carried out according to the difference of the body types of the patient, the tube placing efficiency is improved, and the influence of the patient on the tube placing efficiency caused by the adjustment of the back-and-forth movement and the replacement posture on the bed is avoided.

The working principle of the invention is as follows: before the PICC catheter placement bed is used, the arm plate 7 and the instrument table top 10 are positioned below the bed plate 103, and the first supporting spring 9 at the bottom of the instrument table top 10 is in a compressed state;

when the PICC catheterization bed is used, the height of the bed plate 103 is adjusted through the first hydraulic rod 102, so that a patient can conveniently get on the bed, then a large towel is laid on the mattress 104, and the patient can lie at a corresponding position according to the position mark 11;

starting the reciprocating motor 301, driving the first lead screw nut 305 and the second lead screw nut 3012 to move forwards synchronously, further driving the first mounting plate 4 and the second mounting plate 5 mounted on the first mounting plate 4, and the arm plate 7 and the instrument table top 10 mounted on the second mounting plate 5 to move from the lower side of the bed plate 103 to the front side of the bed plate 103, when the arm plate 7 and the instrument table top 10 move from the lower side of the bed plate 103 to the side surface of the bed plate 103, starting the second hydraulic rod 401, driving the arm plate 7 and the instrument table top 10 mounted on the second mounting plate 5 and the second mounting plate 5 to move upwards by the second hydraulic rod 401, and supporting the second mounting plate 5 by the first telescopic rod 402 along with the extension of the second telescopic rod 402; when the bottom surface of the arm plate 7 is parallel to the top surface of the mattress 104, the reciprocating motor 301 can be started to rotate reversely to drive the arm plate 7 to move towards the rear side of the mattress 104 above the mattress 104, so that the arm plate 7 is positioned right above the mattress 104, and a patient can conveniently place an arm to be replaced on the arm support 8 at the top of the arm plate 7;

then, a first rotating motor 603 is started, the first rotating motor 603 rotates to drive a rotating support column 604 to rotate, and further drive the arm plate 7 to rotate, the long axis direction of the bed plate 103 in the long axis direction of the arm plate 7 is parallel in the initial state, the patient places the arm needing to be placed on the arm support 8 at the top of the arm plate 7, and then the first rotating motor 603 is started to drive the arm plate 7 to rotate, so that the arm placed on the arm support 8 of the patient rotates to the direction convenient for placing the tube along with the rotation of the arm plate 7; then, the second rotating motor 702 is started again, the second rotating motor 702 drives the third rotating shaft 703 and the first bevel gear 704 to rotate when rotating, the first bevel gear 704 drives the second bevel gear 707 engaged with the first bevel gear 707 to rotate, the second bevel gear 707 drives the fourth rotating shaft 706 to rotate, and further drives the arm support 8 to rotate, so that the arms of the patient are adjusted from the inward extension state to the outward extension state in the normal state, and the tube placement is facilitated. So far, the adjustment of the position of the arm of the patient needing to be placed with the tube is finished; and (3) paving a cushion towel below the arm of the patient to sterilize the arm of the patient, repeating twice, and paving a hole towel on the intuitive arm of the patient to start to place a tube. The first, second and

third straps

12, 13, 14 may be used to secure the patient's arms and legs prior to laying the hole towel.

When the arm plate 7 and the instrument table-board 10 move to the side of the bed board 103 from the lower part of the bed board 103, the instrument table-board 10 is separated from the bottom of the bed board 103, the first supporting spring 9 recovers deformation, and the instrument table-board 10 is jacked upwards, so that the height of the instrument table-board 10 is higher than that of the bed body, and medical staff can take surgical instruments on the instrument table-board 10 conveniently; the first supporting column 1003 and the second supporting column 1004 which are hidden and stored at the bottom of the instrument table top 10 are respectively matched with the second mounting plate 5 and the mattress 103 for use, so that the stability of the instrument table top 10 can be improved.

During the operation of placing the tube, the second air bag 23 is inflated, the angle of the movable arm 17 is adjusted, then the third hydraulic rod 18 is started, the first pressing plate 20, the second pressing plate 22 and the second air bag 23 are pushed, the second air bag 23 presses the jugular vein of the patient, and the danger of the tube passing through the jugular vein of the patient is avoided.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A PICC (peripherally inserted central catheter) placing bed comprises four supporting columns (101), wherein a bed board (103) is arranged at the tops of the four supporting columns (101), a mattress (104) is arranged on the bed board (103), a bed head (106) is arranged at one end of the bed board (103), and a bed tail (107) is arranged at the other end of the bed board (103); the method is characterized in that: a bottom plate (2) is arranged among the four supporting columns (101), a driving mechanism is arranged on the bottom plate (2), the top of the driving mechanism is connected with an arm plate (7) through an arm plate rotating supporting assembly (6), an L-shaped arm support (8) is rotatably arranged on the arm plate (7), and the arm plate (7) is close to one side of the bed head (106);

the top of the driving mechanism is further connected with an instrument table top (10) through a first supporting spring (9), the instrument table top (10) is close to one side of the tailstock (107), a first limiting groove (1001) is formed in the center of the top of the instrument table top (10), the first limiting groove (1001) extends to the front side edge and the rear side edge of the instrument table top (10) along the front-rear direction, and a plurality of first limiting columns (1031) are uniformly arranged at positions, corresponding to the first limiting groove (1001), of the bottom of the bed board (103); the driving mechanism is used for driving the arm plate (7) and the instrument table top (10) to move back and forth;

the driving mechanism comprises a reciprocating motor (301), a first rotating shaft (302), a first lead screw (303), a first vertical plate (304), a first lead screw nut (305), a second lead screw (306), a second rotating shaft (307), a second vertical plate (308), a first belt pulley (309), a second belt pulley (3010), a belt (3011), a second lead screw nut (3012), a first mounting plate (4), a second hydraulic rod (401), a first telescopic rod (402) and a second mounting plate (5);

the reciprocating motor (301) is mounted at the top of the bottom plate (2) close to the rear side, an output shaft of the reciprocating motor (301) is connected with one end of the first rotating shaft (302), the other end of the first rotating shaft (302) is connected with a first lead screw (303), a first vertical plate (304) is arranged on the bottom plate (2) close to the front side of the bed plate (103), one end of the first lead screw (303) is fixedly connected with the first rotating shaft (302), the other end of the first lead screw (303) is rotatably connected with the first vertical plate (304), and a first lead screw nut (305) matched with the first lead screw (303) is arranged on the first lead screw (303);

a second lead screw (306) is further rotatably arranged on the first vertical plate (304), the second lead screw (306) is arranged in parallel with the first lead screw (303), one end of the second lead screw (306) is rotatably connected with the first vertical plate (304), the other end of the second lead screw (306) is fixedly connected with one end of a second rotating shaft (307), the other end of the second rotating shaft (307) is rotatably connected with a second vertical plate (308), the second vertical plate (308) is arranged on the top portion, close to the rear side, of the bottom plate (2), and a second lead screw nut (3012) matched with the second lead screw (306) is arranged on the second lead screw (306);

a first belt pulley (309) is fixedly sleeved on the first rotating shaft (302), a second belt pulley (3010) is fixedly sleeved on the second rotating shaft (307), and the first belt pulley (309) is in transmission connection with the second belt pulley (3010) through a belt (3011);

the top parts of the first lead screw nut (305) and the second lead screw nut (3012) are fixedly connected with a first mounting plate (4), a second hydraulic rod (401) is vertically and upwards mounted on the top part of the first mounting plate (4), the output end of the second hydraulic rod (401) is connected with a second mounting plate (5), a first telescopic rod (402) is movably connected between the first mounting plate (4) and the second mounting plate (5), and the arm plate rotating support assembly (6) and the first support spring (9) are mounted on the top part, close to the front side, of the second mounting plate (5);

the arm plate rotating support assembly (6) comprises a first mounting column (601) fixedly arranged on the second mounting plate (5), and the first mounting column (601) is arranged close to one side of the bed head (106); a first mounting groove (602) is formed in the top of the first mounting column (601), a first rotating motor (603) is mounted in the first mounting groove (602), a rotating support column (604) is mounted on an output shaft of the first rotating motor (603), the rotating support column (604) penetrates through the top of the first mounting groove (602), and the top of the rotating support column (604) is fixedly connected with the bottom of the arm plate (7);

a first sleeve (605) is fixedly sleeved outside the rotating support column (604), a first inclined rod (606) is fixedly arranged on the outer side wall of the first sleeve (605), one end of the first inclined rod (606) is fixedly connected with the first sleeve (605), and the other end of the first inclined rod (606) is fixedly connected with the bottom of the arm plate (7); the distance between the second mounting plate (5) and the arm plate (7) is matched with the total thickness of the bed plate (103) and the mattress (104);

an L-shaped plate (701) is fixedly arranged at the bottom of one end, close to the bed tail (107), of the arm plate (7), a second rotating motor (702) is arranged on the bottom surface of the L-shaped plate (701), a third rotating shaft (703) is arranged on an output shaft of the second rotating motor (702), the third rotating shaft (703) penetrates through the arm plate (7), and a first bevel gear (704) is fixedly sleeved on the third rotating shaft (703) above the arm plate (7);

a third vertical plate (705) is fixedly arranged at the top of one end, close to the bed tail (107), of the arm plate (7), a fourth rotating shaft (706) is rotatably connected to the third vertical plate (705), the fourth rotating shaft (706) extends along the long axis direction of the arm plate (7), and the fourth rotating shaft (706) penetrates through a corner of the arm support (8); a second bevel gear (707) is fixedly sleeved on the fourth rotating shaft (706), and the first bevel gear (704) is meshed with the second bevel gear (707);

two invisible accommodating grooves (1002) are symmetrically formed in the bottom of the instrument table board (10), a first supporting column (1003) and a second supporting column (1004) are movably connected into each invisible accommodating groove (1002), the first supporting column (1003) is matched with the second mounting plate (5) for use, and the second supporting column (1004) is matched with the mattress (104) for use;

and a roller (1032) is arranged at the bottom of each first limiting column (1031).

2. The PICC catheterization bed of claim 1, wherein: the arm support (8) is detachably provided with a first binding belt (12), a second binding belt (13) is detachably arranged at a position, corresponding to the first binding belt (12), on the mattress (104), two third binding belts (14) are detachably arranged at a position, close to the bed tail (107), on the mattress (104), and the first binding belt (12), the second binding belt (13) and the third binding belts (14) are identical in structure.

3. The PICC catheterization bed of claim 2, wherein: the second binding belt (13) comprises an adhesive layer (1301), a first air bag (1302) is arranged at the center of the top of the adhesive layer (1301), and a gap is reserved between the first air bag (1302) and the adhesive layer (1301).

4. The PICC catheterization bed of claim 1, wherein: the side face of one end, close to the bed head (106), of the bed plate (103) is further provided with a jugular vein compression assembly, and the jugular vein compression assembly and the arm plate (7) and the instrument table top (10) are located on the same side of the bed plate (103).

5. The PICC catheterization bed of claim 4, wherein: the jugular vein compression assembly comprises a second mounting column (15) fixedly connected with the side face of the bed plate (103), the top of the second mounting column (15) is fixedly connected with a cross rod (16), the cross rod (16) is located above the bed plate (103), the bottom of the cross rod (16) is hinged with a movable arm (17), a second mounting groove (1701) is formed in the center of the bottom of the movable arm (17), a third hydraulic rod (18) is mounted in the second mounting groove (1701), the output end of the third hydraulic rod (18) penetrates through the second mounting groove (1701), a first pressing plate (20) is fixedly connected with the output end of the third hydraulic rod (18), the bottom of the first pressing plate (20) is connected with a second pressing plate (22) through a second supporting spring (21), a second air bag (23) is arranged at the bottom of the second pressing plate (22), and the bottom of the second air bag (23) is of a long strip-shaped structure;

two sides of the second mounting groove (1701) are symmetrically provided with two guide grooves (1702), a guide rod (19) is connected in each guide groove (1702) in a sliding manner, the guide rod (19) penetrates through the guide grooves (1702), and the end part of the guide rod (19) is fixedly connected with the first pressing plate (20).

6. The PICC catheterization bed of claim 1, wherein: every all be equipped with first hydraulic stem (102) in pillar (101), the output of first hydraulic stem (102) with the bottom surface fixed connection of bed board (103), removal wheel (105) are installed to the bottom of pillar (101).