CN112869843A

CN112869843A - Intracardiac branch of academic or vocational study puncture positioner

Info

Publication number: CN112869843A
Application number: CN202110140938.3A
Authority: CN
Inventors: 杨斌; 郑春燕
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-01
Anticipated expiration: 2041-02-02
Also published as: CN112869843B

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to a puncture positioning device for cardiology department, which comprises a main body mechanism, a positioning mechanism and a puncture mechanism; the main body mechanism comprises a support frame and a connecting clamp; the support frame is an L-shaped plate structure body; the connecting clamps are designed in a plurality of ways and are symmetrically and fixedly connected to two sides of the L-shaped bottom end of the supporting frame; according to the invention, the movable rod and the positioning plate are arranged for dual positioning, large-range adjustment is carried out firstly, then fine adjustment is carried out, meanwhile, the positioning laser lamp is matched to accurately position the puncture position of a patient, meanwhile, the traditional force is directly applied to the puncture needle for puncture, and the puncture needle is driven to move by converting the rotating force into the thrust through the engagement of the driving wheel and the driven wheel, so that the puncture needle can effectively operate more stably and the force degree can be controlled more easily, further, the motion rate of the puncture needle is effectively controlled, and the secondary injury of the puncture needle to the patient caused by too strong force application in the puncture process is avoided.

Description

Intracardiac branch of academic or vocational study puncture positioner

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a puncture positioning device for cardiology.

Background

The heart sac puncture is often carried out in the central internal medicine operation of prior art and a large amount of hydrops are discharged so that the hydrops in the patient reduces, when carrying out conventional manual puncture operation, it possesses abundant operation experience to need medical personnel, and during the operation, medical personnel need consume great energy and time, and simultaneously because the manpower is when puncturing, the pjncture needle takes place to rock and can lead to the puncture route to take place the dislocation, cause secondary damage easily to the patient, and the in-process of manual puncture and plug, because human tissue layer is different to the hindrance effect of puncture needle, operating personnel is in order to guarantee the gentleness of puncture in-process, need consume a large amount of energy, simultaneously when taking place the artificial carelessness and lead to exerting oneself when too fiercely, still cause secondary damage easily to the patient, influence going on of operation.

A department of cardiology puncture positioner that chinese patent issued, application number: CN2020110984572, especially a puncture positioning device for cardiology department, which is directed to the problem that the existing puncture positioning device is often only capable of vertical positioning, so that a puncture needle is inconvenient to puncture by tilting, and is usually only capable of moving in one direction for position adjustment, and the positioning range is small, which brings difficulty to the work of medical staff, the present invention proposes a scheme that includes a first support column and a second support column, wherein one side of the first support column and the second support column, which are close to each other, are respectively rotatably provided with a first rotating shaft and a second rotating shaft, one end of the first rotating shaft and one end of the second rotating shaft, which are close to each other, are fixedly connected with a same rectangular block, the puncture positioning device can adjust the tilting angle of a guide tube by a second rotating button, so that the puncture needle can puncture by tilting, and the guide tube can make circular motion to improve the size of the positioning range, make things convenient for medical personnel to operate, but when carrying out angle modulation to the puncture needle in this scheme, the regulative mode is not flexible enough, and the angle of regulation is comparatively single, and the puncture needle shakes easily when carrying out the puncture in this scheme simultaneously, can not form stable support to the puncture of puncture needle.

In view of this, the invention develops a puncture positioning device for cardiology department to solve the technical problem.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems that the flexibility of a positioning device in the angle adjusting process is low, the angle adjusting effect is not fine enough, and in the manual puncturing and plugging processes in the prior art, due to different blocking effects of human tissue layers on a puncturing needle, an operator needs to consume a large amount of energy in order to ensure the smoothness of puncturing in the puncturing process, and meanwhile, when the puncture positioning device is used for too violent due to human negligence, secondary injury is easily caused to a patient to influence the operation.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a puncture positioning device for cardiology department, which comprises a main body mechanism, a positioning mechanism and a puncture mechanism;

the main body mechanism comprises a support frame and a connecting clamp; the support frame is an L-shaped plate structure body; the connecting clamps are designed in a plurality of ways and are symmetrically and fixedly connected to two sides of the L-shaped bottom end of the supporting frame; the end, far away from the connecting clamp, of the support frame is designed in an arc shape; the connecting clamp is formed by mutually and elastically hinging two C-shaped plates; the inner side of the connecting clamp is fixedly connected with clamping blocks which are uniformly distributed; the fixture blocks are all in a triangular prism structure; the clamping blocks are obliquely and fixedly connected to the inner side of the connecting clamp; the clamping blocks are positioned on the inner sides of the two symmetrically designed connecting clamps and have opposite inclination directions;

the positioning mechanism comprises a mounting block, a moving rod and a positioning plate; the support frame is provided with a first through groove; the side wall of the first through groove is provided with symmetrically designed first sliding grooves; a sliding rod is connected in the first sliding chute in a sliding manner; the mounting block is connected outside the first through groove in a sliding manner; the mounting block is designed in a T shape; the mounting block extends into the first through groove; one end of the mounting block, which is positioned in the first through groove, is fixedly connected with the sliding rod; one end of the mounting block, which is positioned in the first through groove, is provided with a rotating groove; the sliding rod extends into the rotating groove; one end of the sliding rod, which is positioned in the rotating groove, is fixedly connected with a moving rod; a stretching groove is formed in one side, away from the first through groove, of the mounting block; a second through groove is formed in one side, close to the first through groove, of the stretching groove; the second through groove is designed in an L shape; the second through groove penetrates through the mounting block and extends into the first sliding groove; a stretching piece is elastically connected in the stretching groove through a spring; the stretching piece is formed by rotationally connecting a T-shaped guide rod and a circular guide plate; the stretching piece is fixedly connected with a stretching rod; the stretching rod extends into the second through groove; a toothed plate is connected in the second through groove in a sliding manner; the toothed plate extends into the first sliding groove; the toothed plate is provided with a conducting hole; the stretching rod is connected with the toothed plate in a sliding mode through the through hole; the stretching rod is arranged on one side of the toothed plate far away from the mounting block and is designed in a stepped shape; one side of the mounting block, which is far away from the first through groove, is provided with a cross-shaped limiting groove; the limiting groove is matched with the stretching piece; one side of the movable rod, which is far away from the mounting block, is rotatably connected with a positioning plate through a guide rod; a laser positioning lamp is arranged on one side of the positioning plate, which is far away from the mounting block; the positioning plate can freely rotate relative to the moving rod;

the puncture mechanism comprises a rotating valve, a lead screw, a moving plate and a puncture needle; a power groove and a guide groove are formed in the positioning plate; the opening of one side of the positioning plate, which is far away from the moving rod, is designed; the opening of the positioning plate is rotatably connected with a sealing plate through a hinge; the rotary valve is rotatably connected to one side of the positioning plate close to the mounting block; the rotary valve extends into the power groove; one end of the rotary valve, which is positioned in the power groove, is sleeved with a driving wheel; the screw rods are symmetrically and rotatably connected to one side of the power groove, which is far away from the rotary valve; one end of the screw rod, which is positioned in the power groove, is sleeved with a driven wheel; the driving wheel is meshed with the driven wheel; the lead screw extends into the guide groove; the moving plate is connected in the guide groove in a sliding manner; the moving plate is meshed with the lead screw; the middle part of the moving plate is fixedly connected with a guide pipe; the guide tube is used for installing a puncture needle;

in the prior art, a pericardial puncture is often performed to release a large amount of effusion so as to reduce the effusion in a patient, when conventional manual puncture operation is performed, medical staff is required to have rich operation experience, and during the operation, the medical staff needs to consume great energy and time, and simultaneously, when the puncture is performed by manpower, the puncture path is staggered due to shaking of the puncture needle, so that secondary injury is easily caused to the patient;

when the invention works, the main body mechanism, the positioning mechanism and the puncture mechanism are arranged, when puncture is needed in the operation process, the support frame is fixed on a sickbed through the connecting clamp at the bottom, the laser positioning lamp on the positioning plate is turned on, then the stretching piece is manually pulled to separate the stretching piece from the limiting groove, so that the stretching piece is separated from the limitation of the limiting groove and moves towards the bottom of the stretching groove under the action of the spring, the stretching rod is driven to move in the same direction in the second through groove when the stretching piece moves towards one side of the mounting block close to the first through groove, the stretching rod is further pressurized under the initial state, the toothed plate meshed with the first through groove loses the pressing force, the combination force between the toothed plate and the first through groove is further reduced, at the moment, the mounting block is manually pushed, so that the sliding rod fixedly connected with the mounting block and the mounting block can freely slide in the first through groove and the first through groove respectively, meanwhile, a movable rod fixedly connected to a sliding rod in the rotating groove moves along with the mounting block, due to the arc design of the support frame far away from the bottom, the distance and the angle between the movable rod and the body of a patient can be adjusted through adjusting the position of the mounting block, after the position of the movable rod is adjusted, the stretching piece is pulled manually, the stretching piece and the stretching rod move to the side far away from the stretching groove, the stretching piece is meshed with the limiting groove through rotating a T-shaped guide rod on the stretching piece, the stretching rod moves in the toothed plate, the toothed plate is pressurized through the step-shaped design, the toothed plate is further meshed with the first sliding groove, the mounting block and the support frame are fixed, at the moment, the positioning plate is rotated relative to the movable rod through manually rotating the positioning plate, the angle is further finely adjusted through rotating the positioning plate, and the positioning laser lamp is used for positioning the body, after the position is determined, the sealing plate is opened, the medical puncture needle is arranged in the guide tube on the movable plate, the sealing plate is folded again, the rotary valve is rotated manually, the rotary valve drives the driving wheel in the power groove to rotate, the lead screw is driven to rotate through the transmission of the driving wheel and the driven wheel, the movable plate moves in the guide groove, the movable plate drives the puncture needle to move towards the body of a patient, the positioning is carried out through setting the movable rod and the positioning plate, the large-range adjustment is carried out firstly, then the fine adjustment is carried out, meanwhile, the patient puncture position can be accurately positioned by matching with the positioning laser lamp, meanwhile, the traditional direct force is applied to the puncture needle for puncture, the puncture needle is driven to move through the engagement of the driving wheel and the driven wheel by utilizing the rotating force, the operation of the puncture needle can be more stable, and the force can, and then make the effectual control of the rate of motion of pjncture needle, avoid exerting force too violently at the puncture in-process and lead to the puncture to cause the secondary injury to the patient.

Preferably, the moving rod is rotatably connected with the sliding rod; limiting plates are elastically connected to the two sides of the moving rod of the rotating groove through springs; the interfaces of the limiting plate and the moving rod are both designed roughly; an expansion bag is fixedly connected between the limiting plate and the rotating groove; the stretching groove is designed in a stepped shape at one side far away from the first through groove; a squeezing bag is fixedly connected between one side of the stretching groove, which is far away from the first through groove, and the stretching piece; the extrusion bag is fixedly connected in the stretching groove; the extrusion bag and the expansion bag are communicated;

when the device works, the extrusion bag, the expansion bag and the limiting plate are arranged, when a stretching piece meshed with the limiting groove in an initial state is separated from the limiting groove and enters the stretching groove to adjust the position of the mounting block, the extrusion bag on the surface of the stretching piece loses pressure and moves to the bottom of the stretching groove along with the stretching piece, so that the extrusion bag extracts gas in the expansion bag through conduction with the expansion bag, the expansion bag contracts, the pressure between the limiting plate and the moving rod is reduced, the angle between the moving rod and the mounting block can be adjusted in a small range at the moment, the range of positioning a patient by the positioning plate at the bottom end of the moving rod is effectively enlarged, the positioning effect is more flexible, meanwhile, the rough surface design between the limiting plate and the moving rod is realized, the moving rod and the mounting block are relatively fixed in the pressurizing process, and certain friction force exists between the moving rod and the mounting block when the moving rod is not pressurized, the moving rod is prevented from rotating downwards rapidly under the action of gravity, and the device or the patient is prevented from being injured.

Preferably, the bottom of the movable rod is rotatably connected with a rotating ring through a guide rod; the positioning plate is rotatably connected with the rotating ring through a guide rod; one side of the positioning plate, which is close to the movable rod, is provided with uniformly distributed locking grooves; a locking plate is connected to the moving rod in a sliding manner; the surface of one side, close to the positioning plate, of the locking plate is fixedly connected with meshing teeth which are uniformly distributed; the meshing teeth correspond to the locking grooves one to one;

when in work, the rotating ring is arranged, and in the process of positioning, the movable rod and the positioning plate move, so that the puncture needle arranged in the positioning plate can rotate and position on the plane of the human body, and simultaneously the locking plate is manually pushed, thereby separating the rotating ring from the locking plate, enabling the rotating ring to rotate, further enabling the rotating ring to rotate, enabling the rotating ring to drive the positioning plate to rotate by three hundred sixty degrees, thereby the puncture angle of the puncture needle relative to the human body can be adjusted in a large range, the puncture angle can be flexibly selected, thereby facilitating the puncture work, simultaneously loosening the locking plate after the angle is determined, utilizing the meshing teeth on the locking plate to be meshed with the locking groove, and then the rotating ring can be automatically locked, so that the phenomenon that the locking ring rotates in the puncturing process due to the fact that an operator forgets to lock the rotating ring is avoided.

Preferably, one side of the positioning plate, which is close to the rotating ring, is provided with a positioning groove; the positioning groove is circular, and the side wall of the positioning groove is uniformly designed in a tooth socket shape; the rotating ring is provided with a second sliding chute; a fixing plate is elastically connected in the second sliding groove; the fixing plate is designed in an L shape; the fixing plate extends into the positioning groove; one end of the fixing plate, which is close to the side wall of the positioning groove, is designed in a tooth shape; an inflatable bag is fixedly connected in the locking groove; the bottom of the second sliding groove is fixedly connected with a pushing bag; the inflatable bag and the pushing bag are communicated;

the during operation, when the angular adjustment who carries out the swivel becket, the lockplate breaks away from and locks the groove, and then make the gas cell that locks the inslot lose pressure, and then make the air current backward flow in the promotion bag, lead to the fixed plate to second spout internal motion under the spring tension effect, and then break away from between messenger's fixed plate and the constant head tank lateral wall, and then make the locating plate rotate, after the location, lockplate automatic meshing in locking inslot, and then through the gas cell with promote the inside gaseous flow of bag, make meshing between fixed plate and the constant head tank lateral wall, and then make the locating plate fixed for the swivel becket, can effectually fix the locating plate, make the locating plate remain stable at the puncture in-process.

Preferably, the two sides of the guide groove are fixedly connected with guide plates which are uniformly distributed; third sliding chutes are formed in the guide plates; a guide wheel is rotatably connected in the third sliding groove through a guide rod;

during operation, the pjncture needle is installed in the locating plate, through rotating the rotary valve, and then drives the lead screw through the action wheel and the transmission from the driving wheel and rotate, and the lead screw drives the movable plate and removes, and then makes the pjncture needle remove, and when the pjncture needle removed, extrudees the leading wheel, and then makes the leading wheel carry out elasticity spacing to the pjncture needle, makes the operation of pjncture needle more level and smooth on the one hand, can also carry out the elasticity direction according to the diameter of pjncture needle by oneself simultaneously, avoids the pjncture needle operation in.

Preferably, the supporting frame is hinged with an auxiliary rod; the end, far away from the hinge point, of the auxiliary rod is designed to be conical; the surface of one side of the movable rod, which is close to the auxiliary rod, is provided with a clamp and a groove; the design of the card and the uniform inclined groove in the groove is realized; the card and the groove are matched with the auxiliary rod;

during operation, through setting up the auxiliary rod, will assist the integrated circuit board and go into card and inslot on the movable plate after the location is accomplished, constitute triangle-shaped stable structure jointly with the support frame, and then utilize the auxiliary rod to support the carriage release lever, the effectual in-process that makes the carriage release lever go on in the puncture is more stable, avoids puncture positioner wholly to rock, and then leads to the puncture to produce the deviation, and then causes the injury to the patient.

The invention has the following beneficial effects:

1. according to the intracardiac puncture positioning device, the movable rod and the positioning plate are arranged for double positioning, large-range adjustment is firstly carried out, then fine adjustment is carried out, meanwhile, the positioning laser lamp is matched, the puncture position of a patient can be accurately positioned, meanwhile, the traditional puncture needle is directly applied with force for puncture, the puncture needle is driven to move by the engagement of the driving wheel and the driven wheel and the rotation force is converted into thrust, so that the operation of the puncture needle can be effectively more stable, the force can be more easily controlled, the motion rate of the puncture needle can be effectively controlled, and the secondary injury of the puncture needle to the patient caused by too violent force application in the puncture process is avoided.

2. According to the intracardiac puncture positioning device, the puncture needle is arranged in the positioning plate, the rotating valve is rotated, the lead screw is driven to rotate through the transmission of the driving wheel and the driven wheel, the lead screw drives the moving plate to move, so that the puncture needle moves, the guide wheel is extruded when the puncture needle moves, so that the guide wheel elastically limits the puncture needle, on one hand, the puncture needle can run more smoothly, and meanwhile, the puncture needle can be elastically guided according to the diameter of the puncture needle, so that the puncture needle is prevented from being stuck in the running process, and further the injury to a patient is avoided.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an internal construction view of the positioning plate;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B;

in the figure: the support frame 1, the connecting clamp 11, the mounting block 2, the first through groove 12, the first sliding groove 13, the sliding rod 21, the rotating groove 22, the moving rod 23, the stretching groove 3, the second through groove 31, the stretching piece 32, the stretching rod 33, the toothed plate 34, the through hole 35, the limiting groove 36, the positioning plate 4, the power groove 41, the guide groove 42, the sealing plate 43, the rotating valve 44, the driving wheel 45, the lead screw 46, the driven wheel 47, the moving plate 48, the guide tube 49, the limiting plate 5, the expansion bag 51, the squeezing bag 52, the rotating ring 6, the rotating ring 61, the locking plate 62, the positioning groove 63, the second sliding groove 64, the fixing plate 65, the inflating bag 66, the pushing bag 67, the guide plate 7, the third sliding groove 71, the guide wheel 72, the auxiliary rod 73, and the clamping.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, the puncture positioning device for cardiology department of the present invention comprises a main body mechanism, a positioning mechanism and a puncture mechanism;

the main body mechanism comprises a support frame 1 and a connecting clamp 11; the support frame 1 is an L-shaped plate-shaped structural body; the connecting clamps 11 are designed in a plurality of numbers and are symmetrically and fixedly connected to two sides of the L-shaped bottom end of the support frame 1; the end, far away from the connecting clamp 11, of the support frame 1 is designed in an arc shape; the connecting clamp 11 is formed by mutually and elastically hinging two C-shaped plates; the inner side of the connecting clamp 11 is fixedly connected with clamping blocks which are uniformly distributed; the fixture blocks are all in a triangular prism structure; the clamping blocks are all obliquely and fixedly connected to the inner side of the connecting clamp 11; the clamping blocks are positioned on the inner sides of the two symmetrically designed connecting clamps 11 and have opposite inclination directions;

the positioning mechanism comprises a mounting block 2, a moving rod 23 and a positioning plate 4; a first through groove 12 is formed in the support frame 1; the side wall of the first through groove 12 is provided with first sliding grooves 13 which are symmetrically designed; a sliding rod 21 is connected in the first sliding chute 13 in a sliding manner; the mounting block 2 is connected outside the first through groove 12 in a sliding manner; the mounting block is designed in a 2T shape; the mounting block 2 extends into the first through groove 12; one end of the mounting block 2 positioned in the first through groove 12 is fixedly connected with the sliding rod 21; one end of the mounting block 2, which is positioned in the first through groove 12, is provided with a rotating groove 22; the sliding rod 21 extends into the rotating groove 22; one end of the sliding rod 21 positioned in the rotating groove 22 is fixedly connected with a moving rod 23; a stretching groove 3 is formed in one side, away from the first through groove 12, of the mounting block 2; a second through groove 31 is formed in one side, close to the first through groove 12, of the stretching groove 3; the second through groove 31 is in an L-shaped design; the second through groove 31 penetrates through the mounting block 2 and extends into the first sliding groove 13; a stretching piece 32 is elastically connected in the stretching groove 3 through a spring; the stretching piece 32 is formed by rotationally connecting a T-shaped guide rod and a circular guide plate; a stretching rod 33 is fixedly connected to the stretching piece 32; the stretching rod 33 extends into the second through groove 31; a toothed plate 34 is connected in the second through groove 31 in a sliding manner; the toothed plate 34 extends into the first runner 13; the toothed plate 34 is provided with a via hole 35; the stretching rod 33 is in sliding connection with the toothed plate 34 through a through hole 35; the stretching rod 33 is in a step-shaped design at one side of the toothed plate 34 far away from the mounting block 2; a cross-shaped limiting groove 36 is formed in one side, away from the first through groove 12, of the mounting block 2; the limiting groove 36 is matched with the stretching piece 32; one side of the movable rod 23, which is far away from the mounting block 2, is rotatably connected with a positioning plate 4 through a guide rod; a laser positioning lamp is arranged on one side of the positioning plate 4, which is far away from the mounting block 2; the positioning plate 4 can rotate freely relative to the moving rod 23;

the puncture mechanism comprises a rotary valve 44, a lead screw 46, a moving plate 48 and a puncture needle; a power groove 41 and a guide groove 42 are formed in the positioning plate 4; the opening of the positioning plate 4 far away from the movable rod 23 is designed; the opening of the positioning plate 4 is rotatably connected with a sealing plate 43 through a hinge; the rotary valve 44 is rotatably connected to one side of the positioning plate 4 close to the mounting block 2; the rotary valve 44 extends into the power groove 41; one end of the rotary valve 44, which is positioned in the power groove 41, is sleeved with a driving wheel 45; the lead screw 46 is symmetrically and rotatably connected to one side of the power groove 41 away from the rotary valve 44; one end of the screw rod 46 positioned in the power groove 41 is sleeved with a driven wheel 47; the driving wheel 45 is meshed with the driven wheel 47; the lead screw 46 extends into the guide groove 42; the moving plate 48 is slidably connected in the guide groove 42; the moving plate 48 is meshed with the lead screw 46; the middle part of the moving plate 48 is fixedly connected with a guide pipe 49; the guide tube 49 is used for installing a puncture needle;

when the invention works, through arranging the main body mechanism, the positioning mechanism and the puncture mechanism, when puncture is needed in the operation process, the support frame 1 is fixed on a sickbed through the connecting clamp 11 at the bottom, the laser positioning lamp on the positioning plate 4 is turned on, then the stretching piece 32 is pulled manually to separate the stretching piece 32 from the limiting groove 36, so that the stretching piece 32 is separated from the limitation of the limiting groove 36 and moves towards the bottom of the stretching groove 3 under the action of the spring, so that the stretching piece 33 is driven to move in the same direction in the second through groove 31 when the stretching piece 32 moves towards one side of the mounting block 2 close to the first through groove 12, the stretching rod 33 is pulled to pressurize under the initial state, the toothed plate 34 meshed with the first through groove 13 loses the pressing force, so that the combining force between the toothed plate 34 and the first through groove 13 is reduced, at the moment, the mounting block 2 is pushed manually, and the sliding rod 21 fixedly connected with the mounting block 2 can freely slide in the first through groove 12 and the first through groove 13 respectively Meanwhile, the moving rod 23 fixedly connected to the sliding rod 21 in the rotating groove 22 moves along with the mounting block 2, due to the arc design of the side of the support frame 1 away from the bottom, the distance and angle between the moving rod 23 and the body of the patient can be adjusted by adjusting the position of the mounting block 2, after the position of the moving rod 23 is adjusted, the stretching piece 32 is manually pulled, the stretching piece 32 and the stretching rod 33 move to the side away from the stretching groove 3, the stretching piece 32 is meshed with the limiting groove 36 by rotating the T-shaped guide rod on the stretching piece 32, the stretching rod 33 moves in the through hole 35 on the toothed plate 34, the toothed plate 34 is pressurized by the step design, and the mounting block 2 and the support frame 1 are fixed by utilizing the meshing between the toothed plate 34 and the first sliding groove 13, at this time, the positioning plate 4 is rotated manually relative to the moving rod 23, further, the rotation of the positioning plate 4 is utilized to finely adjust the angle, the positioning laser lamp is utilized to position the human body, after the position is determined, the sealing plate 43 is opened, the medical puncture needle is installed in the guide pipe 49 on the movable plate 48, the sealing plate 43 is folded again, the rotary valve 44 is manually rotated, the rotary valve 44 drives the driving wheel 45 in the power groove 41 to rotate, the lead screw 46 is driven to rotate through the transmission of the driving wheel 45 and the driven wheel 47, the movable plate 48 is further moved in the guide groove 42, the movable plate 48 drives the puncture needle to move towards the body of the patient, the movable rod 23 and the positioning plate 4 are arranged to perform double positioning, large-range adjustment and fine adjustment are performed firstly, meanwhile, the positioning laser lamp is matched to accurately position the puncture position of the patient, meanwhile, the traditional direct force is applied to the puncture needle to perform puncture, and through the meshing of the driving wheel, and then utilize the revolving force to drive the pjncture needle through converting into thrust and remove, can effectually make the operation of pjncture needle steady more and control the power more easily, and then make the effectual control of rate of motion of pjncture needle, avoid exerting force too violently at the puncture in-process and lead to the puncture to cause the secondary injury to the patient.

As an embodiment of the present invention, the moving rod 23 is rotatably connected to the sliding rod 21; the two sides of the moving rod 23 of the rotating groove 22 are elastically connected with limiting plates 5 through springs; the interfaces of the limiting plate 5 and the moving rod 23 are both designed roughly; an expansion bag 51 is fixedly connected between the limiting plate 5 and the rotating groove 22; the stretching groove 3 is designed in a step shape at one side far away from the first through groove 12; a squeezing bag 52 is fixedly connected between one side of the stretching groove 3 far away from the first through groove 12 and the stretching piece 32; a squeezing bag 52 is fixedly connected in the stretching groove 3; the pressing bag 52 and the expansion bag 51 are communicated;

when the device works, by arranging the extrusion bag 52, the expansion bag 51 and the limit plate 5, when the stretching piece 32 meshed with the limit groove 36 in the initial state is separated from the limit groove 36 and enters the stretching groove 3 to adjust the position of the mounting block 2, the extrusion bag 52 on the surface of the stretching piece 32 loses pressure and moves towards the bottom of the stretching groove 3 along with the stretching piece 32, so that the extrusion bag 52 extracts gas in the expansion bag 51 through conduction with the expansion bag 51, the expansion bag 51 contracts, the pressure between the limit plate 5 and the moving rod 23 is reduced, the angle between the moving rod 23 and the mounting block 2 can be adjusted in a small range, the positioning plate 4 at the bottom end of the moving rod 23 can effectively and conveniently position a patient in a larger range, the positioning effect is more flexible, meanwhile, the rough surface design between the limit plate 5 and the moving rod 23 is realized, and the moving rod 23 and the mounting block 2 are relatively fixed in the pressurizing process, when the pressure is not applied, a certain friction force exists between the pressure and the pressure, so that the moving rod 23 is prevented from rapidly rotating downwards under the action of gravity to cause injury to the device or a patient.

As an embodiment of the invention, the bottom of the moving rod 23 is rotatably connected with a rotating ring 6 through a guide rod; the positioning plate 4 is rotatably connected with the rotating ring 6 through a guide rod; one side of the positioning plate 4, which is close to the moving rod 23, is provided with evenly distributed locking grooves 61; a locking plate 62 is connected on the moving rod 23 in a sliding way; the surface of one side of the locking plate 62 close to the positioning plate 4 is fixedly connected with meshing teeth which are uniformly distributed; the meshing teeth correspond to the locking grooves 61 one by one;

during operation, by arranging the rotating ring 6, in the positioning process, the puncture needle arranged in the positioning plate 4 can be rotated and positioned on the plane of a human body by moving the moving rod 23 and the positioning plate 4, meanwhile, the locking plate 62 is manually pushed, so that the rotating ring 6 is separated from the locking plate 62, the rotating ring 6 can be rotated, the rotating ring 6 is rotated, the rotating ring 6 drives the positioning plate 4 to rotate by three hundred and sixty degrees, so that the puncture angle of the puncture needle relative to the human body can be adjusted in a large range, the puncture angle can be flexibly selected conveniently, the puncture work can be conveniently carried out, after the angle is determined, the locking plate 62 is loosened, the engaging teeth on the locking plate 62 are engaged with the locking groove 61, so that the rotating ring 6 can be automatically locked, and the situation that an operator forgets to lock the rotating ring 6 is avoided, causing the locking ring to rotate during the puncturing process.

As an embodiment of the present invention, a positioning groove 63 is formed on one side of the positioning plate 4 close to the rotating ring 6; the positioning groove 63 is circular and the side wall is uniformly designed in a tooth socket shape; the rotating ring 6 is provided with a second sliding chute 64; a fixing plate 65 is elastically connected in the second sliding groove 64; the fixing plate 65 is designed in an L shape; the fixing plate 65 extends into the positioning groove 63; one end of the fixing plate 65, which is close to the side wall of the positioning groove 63, is designed in a tooth shape; an inflation bag 66 is fixedly connected in the locking groove 61; the bottom of the second chute 64 is fixedly connected with a pushing bag 67; the inflation bag 66 and the pushing bag 67 are communicated;

the during operation, when carrying out the angular adjustment of swivel becket 6, lockplate 62 breaks away from locking groove 61, and then make the gas cell 66 in the locking groove 61 lose pressure, and then make the air current backward flow in promoting bag 67, lead to fixed plate 65 to second spout 64 internal motion under the spring tension effect, and then break away from between fixed plate 65 and the constant head tank 63 lateral wall, and then make locating plate 4 rotate, after the location, lockplate 62 is automatic to be meshed in locking groove 61, and then through gas cell 66 and the inside gaseous flow of promotion bag 67, make meshing between fixed plate 65 and the constant head tank 63 lateral wall, and then make locating plate 4 fixed for swivel becket 6, can effectually fix locating plate 4, make locating plate 4 remain stable at the puncture in-process.

As an embodiment of the present invention, the two sides of the guide slot 42 are fixedly connected with the guide plates 7 which are uniformly distributed; the guide plates 7 are provided with third sliding grooves 71; a guide wheel 72 is rotatably connected in the third sliding groove 71 through a guide rod;

during operation, the pjncture needle is installed in locating plate 4, through rotating rotary valve 44, and then drive lead screw 46 through action wheel 45 and from the transmission of driving wheel 47 and rotate, lead screw 46 drives movable plate 48 and removes, and then make the pjncture needle remove, when the pjncture needle removes, extrude leading wheel 72, and then make leading wheel 72 carry out elasticity spacing to the pjncture needle, make the operation of pjncture needle more level and smooth on the one hand, can also carry out the elasticity direction according to the diameter of pjncture needle by oneself simultaneously, avoid the pjncture needle operation in-process to take place to block, and then lead to causing.

As an embodiment of the present invention, an auxiliary rod 73 is hinged on the supporting frame 1; the end of the auxiliary rod 73 far away from the hinge point is designed to be conical; the surface of one side of the moving rod 23 close to the auxiliary rod 73 is provided with a clamping and groove 74; a uniform chute design inside the card and slot 74; the card and slot 74 mates with the auxiliary rod 73;

during operation, through setting up auxiliary rod 73, with supplementary integrated circuit board and go into card and the groove 74 on the movable plate 48 after the location is accomplished, constitute triangle-shaped stable structure jointly with support frame 1, and then utilize auxiliary rod 73 to support carriage release lever 23, the effectual in-process that makes carriage release lever 23 go on in the puncture is more stable, avoids puncture positioner wholly to rock, and then leads to the puncture to produce the deviation, and then leads to the fact the injury to the patient.

The specific working process is as follows:

when the device works, by arranging the main body mechanism, the positioning mechanism and the puncturing mechanism, when puncturing is needed in the operation process, the support frame 1 is fixed on a sickbed through the connecting clamp 11 at the bottom, the laser positioning lamp on the positioning plate 4 is turned on, then the stretching piece 32 is manually pulled to separate the stretching piece 32 from the limiting groove 36, so that the stretching piece 32 is separated from the limitation of the limiting groove 36 and moves towards the bottom of the stretching groove 3 under the action of the spring, so that the stretching piece 33 is driven to move in the same direction in the second through groove 31 when the stretching piece 32 moves towards one side of the mounting block 2 close to the first through groove 12, the stretching rod 33 is pressurized under the initial state, the toothed plate 34 engaged with the first through groove 13 loses the pressing force, so that the combining force between the toothed plate 34 and the first through groove 13 is reduced, at the moment, the mounting block 2 is manually pushed, and the sliding rod 21 fixedly connected with the mounting block 2 can freely slide in the first through groove 12 and the first through groove 13 respectively, meanwhile, the moving rod 23 fixedly connected to the sliding rod 21 in the rotating groove 22 moves along with the mounting block 2, due to the arc design of the side, away from the bottom, of the support frame 1, the distance and the angle between the moving rod 23 and the body of a patient can be adjusted by adjusting the position of the mounting block 2, after the position of the moving rod 23 is adjusted, the stretching piece 32 is pulled manually, the stretching piece 32 and the stretching rod 33 move to the side away from the stretching groove 3, the stretching piece 32 is meshed with the limiting groove 36 by rotating the T-shaped guide rod on the stretching piece 32, the stretching rod 33 moves in the through hole 35 on the toothed plate 34, the toothed plate 34 is pressurized by the step design, and the mounting block 2 and the support frame 1 are fixed by utilizing the meshing between the toothed plate 34 and the first sliding groove 13, at this time, the positioning plate 4 is rotated manually relative to the moving rod 23, further, the rotation of the positioning plate 4 is used for fine adjustment of the angle, the positioning laser lamp is used for positioning the human body, after the position is determined, the sealing plate 43 is opened, the medical puncture needle is installed in the guide pipe 49 on the moving plate 48, the sealing plate 43 is folded again, the rotating valve 44 is manually rotated, the rotating valve 44 drives the driving wheel 45 in the power groove 41 to rotate, the driving wheel 45 and the driven wheel 47 are driven to drive the lead screw 46 to rotate, the moving plate 48 is moved in the guide groove 42, and the moving plate 48 drives the puncture needle to move towards the body of the patient.

The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a intracardiac branch of academic or vocational study puncture positioner which characterized in that: comprises a main body mechanism, a positioning mechanism and a puncture mechanism;

the main body mechanism comprises a support frame (1) and a connecting clamp (11); the support frame (1) is an L-shaped plate-shaped structural body; the connecting clamps (11) are designed in a plurality of ways and are symmetrically and fixedly connected to two sides of the L-shaped bottom end of the support frame (1); one end of the support frame (1) far away from the connecting clamp (11) is designed in an arc shape; the connecting clamp (11) is formed by mutually and elastically hinging two C-shaped plates; the inner side of the connecting clamp (11) is fixedly connected with clamping blocks which are uniformly distributed; the fixture blocks are all in a triangular prism structure; the clamping blocks are obliquely and fixedly connected to the inner side of the connecting clamp (11); the clamping blocks are positioned on the inner sides of the two symmetrically designed connecting clamps (11) and have opposite inclination directions;

the positioning mechanism comprises a mounting block (2), a moving rod (23) and a positioning plate (4); a first through groove (12) is formed in the support frame (1); the side wall of the first through groove (12) is provided with first sliding grooves (13) which are symmetrically designed; a sliding rod (21) is connected in the first sliding chute (13) in a sliding way; the mounting block (2) is connected outside the first through groove (12) in a sliding manner; the mounting block (2) is designed in a T shape; the mounting block (2) extends into the first through groove (12); one end of the mounting block (2) positioned in the first through groove (12) is fixedly connected with the sliding rod (21); one end of the mounting block (2) positioned in the first through groove (12) is provided with a rotating groove (22); the sliding rod (21) extends into the rotating groove (22); one end of the sliding rod (21) positioned in the rotating groove (22) is fixedly connected with a moving rod (23); a stretching groove (3) is formed in one side, away from the first through groove (12), of the mounting block (2); a second through groove (31) is formed in one side, close to the first through groove (12), of the stretching groove (3); the second through groove (31) is designed in an L shape; the second through groove (31) penetrates through the mounting block (2) and extends into the first sliding groove (13); a stretching piece (32) is elastically connected in the stretching groove (3) through a spring; the stretching piece (32) is formed by rotationally connecting a T-shaped guide rod and a circular guide plate; a stretching rod (33) is fixedly connected to the stretching piece (32); the stretching rod (33) extends into the second through groove (31); a toothed plate (34) is connected in the second through groove (31) in a sliding manner; the toothed plate (34) extends into the first sliding groove (13); a through hole (35) is formed in the toothed plate (34); the stretching rod (33) is in sliding connection with the toothed plate (34) through a via hole (35); the stretching rod (33) is arranged on the toothed plate (34) and is designed in a stepped shape on one side far away from the mounting block (2); a cross-shaped limiting groove (36) is formed in one side, away from the first through groove (12), of the mounting block (2); the limiting groove (36) is matched with the stretching piece (32); one side of the moving rod (23) far away from the mounting block (2) is rotatably connected with a positioning plate (4) through a guide rod; a laser positioning lamp is arranged on one side, far away from the mounting block (2), of the positioning plate (4); the positioning plate (4) can rotate freely relative to the moving rod (23);

the puncture mechanism comprises a rotary valve (44), a lead screw (46), a moving plate (48) and a puncture needle; a power groove (41) and a guide groove (42) are formed in the positioning plate (4); the opening of one side of the positioning plate (4) far away from the moving rod (23) is designed; the opening of the positioning plate (4) is rotatably connected with a sealing plate (43) through a hinge; the rotary valve (44) is rotatably connected to one side, close to the mounting block (2), of the positioning plate (4); the rotary valve (44) extends into the power tank (41); one end of the rotary valve (44) positioned in the power groove (41) is sleeved with a driving wheel (45); the screw rod (46) is symmetrically and rotatably connected to one side, away from the rotary valve (44), of the power groove (41); one end of the screw rod (46) positioned in the power groove (41) is sleeved with a driven wheel (47); the driving wheel (45) is meshed with the driven wheel (47); the lead screw (46) extends into the guide groove (42); the moving plate (48) is connected in the guide groove (42) in a sliding manner; the moving plate (48) is meshed with the lead screw (46); the middle part of the moving plate (48) is fixedly connected with a guide pipe (49); the guide tube (49) is used for installing a puncture needle.

2. A cardiology puncture positioning device of claim 1, wherein: the moving rod (23) is rotationally connected with the sliding rod (21); the rotating grooves (22) are positioned on two sides of the moving rod (23) and are elastically connected with limiting plates (5) through springs; the interfaces of the limiting plate (5) and the moving rod (23) are both designed roughly; an expansion bag (51) is fixedly connected between the limiting plate (5) and the rotating groove (22); the stretching groove (3) is designed in a step shape at one side far away from the first through groove (12); a squeezing bag (52) is fixedly connected between one side of the stretching groove (3) far away from the first through groove (12) and the stretching piece (32); a squeezing bag (52) is fixedly connected in the stretching groove (3); the pressing bag (52) is communicated with the expansion bag (51).

3. A cardiology puncture positioning device of claim 1, wherein: the bottom of the movable rod (23) is rotatably connected with a rotating ring (6) through a guide rod; the positioning plate (4) is rotatably connected with the rotating ring (6) through a guide rod; one side of the positioning plate (4) close to the moving rod (23) is provided with uniformly distributed locking grooves (61); a locking plate (62) is connected on the moving rod (23) in a sliding way; the surface of one side, close to the positioning plate (4), of the locking plate (62) is fixedly connected with meshing teeth which are uniformly distributed; the meshing teeth correspond to the locking grooves (61) one by one.

4. A cardiology puncture positioning device of claim 3, wherein: one side of the positioning plate (4) close to the rotating ring (6) is provided with a positioning groove (63); the positioning groove (63) is circular and has a uniform tooth socket-shaped side wall; a second sliding groove (64) is formed in the rotating ring (6); a fixing plate (65) is elastically connected in the second sliding groove (64); the fixing plate (65) is designed in an L shape; the fixing plate (65) extends into the positioning groove (63); one end of the fixing plate (65) close to the side wall of the positioning groove (63) is designed in a tooth shape; an inflation bag (66) is fixedly connected in the locking groove (61); the bottom of the second chute (64) is fixedly connected with a pushing bag (67); the inflatable bag (66) is communicated with the pushing bag (67).

5. A cardiology puncture positioning device of claim 1, wherein: guide plates (7) which are uniformly distributed are fixedly connected to two sides of the guide groove (42); third sliding grooves (71) are formed in the guide plates (7); a guide wheel (72) is rotatably connected in the third sliding groove (71) through a guide rod.

6. A cardiology puncture positioning device of claim 1, wherein: an auxiliary rod (73) is hinged on the support frame (1); the end, far away from the hinge point, of the auxiliary rod (73) is designed in a conical manner; a clamping groove (74) is formed in the surface of one side, close to the auxiliary rod (73), of the moving rod (23); a uniform chute design inside the card and slot (74); the card and slot (74) mates with an auxiliary lever (73).