CN111905161A

CN111905161A - Pericardial effusion positioning and guiding mechanism

Info

Publication number: CN111905161A
Application number: CN202010795411.XA
Authority: CN
Inventors: 庄晓婷; 白杨; 罗南; 费运微
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-11-10
Anticipated expiration: 2040-08-10
Also published as: CN111905161B

Abstract

The invention provides a pericardial effusion positioning and guiding mechanism which comprises a fixed seat, wherein an inner column is fixedly connected inside an outer cylinder, a base is fixedly connected at the left end of the inner column, a first slider and a second slider are movably sleeved outside the inner column, uniformly distributed positioning blocks are movably connected inside the outer cylinder, a telescopic seat is movably inserted at the left side of each positioning block, a sucking disc is fixedly connected at the left side of the telescopic seat, and a pressing plate is movably inserted inside the telescopic seat and positioned at the right side of the sucking disc. The slide bar drives the slider II and the slider I to move to the leftmost end, the slide bar II drives the block II to extend outwards through the connecting rod, the rack section on the gear II and the base drives the toothed plate to move outwards, the adjusting plate extrudes the telescopic seat to move leftwards and extend out, so that the sucker is adsorbed on the skin of a patient, and similarly, the sucker on the block I is tightly adsorbed on the skin of the patient, therefore, the base is fixed on the body of the patient through the sucker, and the positioning stability of the puncture needle is enhanced.

Description

Pericardial effusion positioning and guiding mechanism

Technical Field

The invention relates to the technical field of pericardial effusion derivation, in particular to a pericardial effusion positioning derivation mechanism.

Background

Pericardial effusion is a common clinical manifestation, and particularly after echocardiography becomes a routine examination mode of cardiovascular diseases, the detection rate of the pericardial effusion in patients is obviously increased, the pericardial effusion can be clinically asymptomatic, but if the fluid accumulation causes the pressure in the pericardial cavity to be increased to generate cardiac compression, the cardiac tamponade is generated.

When treatment pericardial effusion, the method of often adopting is the pericardial drainage method, send the pipe to the pericardial cavity through the puncture needle in, the liquid drainage of pericardial comes through the pipe, because the preceding of human heart is the lung, when doing the pericardial drainage, perhaps prick the lung carelessly, form pneumothorax, so, when carrying out the pericardial effusion puncture, the position location stability who guarantees the pjncture needle will be noticed, in order to guarantee the smooth derivation of pericardial effusion, however, traditional pericardial effusion location derivation device simple structure, it is many to be held stably by medical personnel, can't be effectual fix the puncture needle, it is higher to medical personnel's working requirement, it is inconvenient to use.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a pericardial effusion positioning and guiding mechanism, which is achieved by the following specific technical means:

a pericardial effusion positioning and guiding mechanism comprises a fixed seat, wherein a puncture needle is arranged inside the fixed seat, an outer cylinder is fixedly connected on the left side of the fixed seat, an inner column is fixedly connected inside the outer cylinder, the left end of the inner column is fixedly connected with a base on the left side of the outer cylinder, a gap is reserved between the base and the outer cylinder, a first slider and a second slider are movably sleeved outside the inner column, the first slider comprises a first slide bar and a connecting plate, the second slider comprises a second slide bar and a guide rod, a sliding chute corresponding to the first slide bar and the second slide bar is arranged outside the inner column, a reset spring is arranged outside the guide rod, positioning blocks which are uniformly distributed are movably connected inside the outer cylinder, the positioning blocks comprise a first block and a second block which are distributed in a staggered manner, the first slide bar and the first block and the second slide bar and the second block are movably connected through connecting rods, a telescopic seat, the left side fixedly connected with sucking disc of flexible seat, the inside of flexible seat and the right side activity that is located the sucking disc are pegged graft and are had the clamp plate, the inside activity of flexible seat is pegged graft and is had the inserted bar, the inserted bar passes through gear one and is connected with the clamp plate meshing, the inside of locating piece and the below activity that is located flexible seat are pegged graft and are had the pinion rack, the top fixedly connected with regulating plate of pinion rack, the right-hand member of inserted bar and the right side fixedly connected with push pedal that is located flexible seat, the pinion rack passes through gear two and is connected with the base meshing, movable mounting has the arm-tie on the fixing base, the arm-tie passes through flexible telescopic link and is.

Preferably, the first sliding rods are movably inserted outside the inner column, the first sliding rods are uniformly distributed on the left side of the connecting plate, the connecting relation between the first sliding rods and the connecting plate is fixed, and the return spring is installed on the left side of the connecting plate.

Preferably, the second sliding rod is movably inserted outside the inner column, the second sliding rod is uniformly distributed on the left side of the guide rod, the second sliding rod is fixedly connected with the guide rod, the guide rod is movably inserted inside the connecting plate, a baffle ring is fixedly sleeved on the outer side of the guide rod and positioned on the right side of the connecting plate, and the second sliding rod and the first sliding rod are staggered.

As an optimization, one side of the positioning block, which is close to the outer barrel, is provided with a slope, so that the positioning block can be retracted into the outer barrel when the connecting rod drives the positioning block to move rightwards.

Preferably, one gear is rotatably installed in the telescopic seat, rack sections meshed with the gear are arranged on one sides of opposite surfaces of the pressing plate and the inserted bar, and the pressing plate is driven to move reversely after the inserted bar moves.

As optimization, the slope has been seted up to one side that flexible seat is close to the pinion rack, and one side that the pinion rack was kept away from to flexible seat is provided with the stopper, and the right side of flexible seat is provided with the step that corresponds with the regulating plate, and the right side of regulating plate is provided with the slope that corresponds with the push pedal, and the pinion rack rebound back, the flexible seat of regulating plate extrusion moves to the left, then the regulating plate card is on the step of flexible seat to promote the push pedal and move to the right.

Preferably, the spring part is movably sleeved outside the inserted rod and between the telescopic seat and the push plate.

As optimization, the second gear is rotatably installed in the positioning block, rack sections meshed with the second gear are arranged on one sides of opposite surfaces of the toothed plate and the base, and when the positioning block moves on the right side of the base, the toothed plate is driven to move through the second gear and the rack sections on the base.

The invention has the following beneficial effects:

1. this pericardial effusion location derivation mechanism, promote the arm-tie and move left, the arm-tie drives saddle two and saddle one and moves to leftmost end successively, saddle two moves to the right side of base after, the slide bar two passes through the connecting rod and drives block two and outwards stretch out, the in-process that the block moved outside two, rack section through on gear two and the base drives the pinion rack and outwards moves, the pinion rack outwards moves the back, move left through the flexible seat of regulating plate extrusion and stretch out to the left side of block two, make the sucking disc on block two adsorb on patient's skin, the same is true, the sucking disc on block one adsorbs on patient's skin afterwards, then fix the arm-tie through the fastener, guarantee the structural firmness of whole device, therefore, the base passes through the sucking disc to be fixed on patient's health, thereby the positioning stability of pjncture needle has been strengthened.

2. This mechanism is derived in pericardial effusion location through setting up regulating plate and push pedal, and the regulating plate promotes the push pedal and moves to the right, drives the pressure plate through inserted bar and gear and moves to the left for pressure plate extrusion sucking disc further strengthens the suction force of sucking disc on skin, thereby strengthens the position stability of locating piece.

3. This pericardial effusion location derivation mechanism, through setting up piece one and piece two and outwards stretching out in proper order, piece one is after stretching out, leaves sufficient clearance between the piece one to piece two can stretch out completely and insert between piece one, has guaranteed the smooth work of integrated device.

4. This pericardial effusion location derivation mechanism is divided into the piece one and the piece two of crisscross distribution with the locating piece through the setting, and piece one and slider one swing joint, piece two and slider two swing joint, and slider one staggers about slider two, consequently, piece one and piece two can stagger about can, have guaranteed that all locating pieces can both contract in the inside of urceolus, have reduced the occupation space of whole device, simple structure, convenient to use.

Drawings

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

FIG. 2 is a right sectional view of a slider and positioning block connecting structure according to the present invention;

FIG. 3 is a schematic view of the connection structure of the inner column and the base of the present invention;

FIG. 4 is a exploded view of a slider structure of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;

FIG. 6 is a schematic view of a positioning block according to the present invention.

In the figure: 1. a fixed seat; 2. an outer cylinder; 3. an inner column; 4. a base; 5. a first slide piece; 51. a first sliding rod; 52. connecting plates; 6. a second slider; 61. a second sliding rod; 62. a guide bar; 7. a return spring; 8. positioning blocks; 81. a first block; 82. a second block; 9. a connecting rod; 10. a telescopic base; 11. a tension spring; 12. a suction cup; 121. pressing a plate; 13. inserting a rod; 14. a first gear; 15. a toothed plate; 16. an adjusting plate; 17. pushing the plate; 18. a second gear; 19. a chute; 20. pulling a plate; 21. a flexible telescoping rod; 22. a fastener; 23. a puncture needle.

Detailed Description

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

Referring to fig. 1 to 6, a pericardial effusion positioning and guiding mechanism includes a fixing base 1, a puncture needle 23 is installed inside the fixing base 1, an outer cylinder 2 is fixedly connected to the left side of the fixing base 1, an inner cylinder 3 is fixedly connected to the inside of the outer cylinder 2, a base 4 is fixedly connected to the left end of the inner cylinder 3 and located on the left side of the outer cylinder 2, a gap is left between the base 4 and the outer cylinder 2, a slider 1 and a slider 6 are movably sleeved outside the inner cylinder 3, the slider 5 includes a slide bar 51 and a connecting plate 52, the slider 6 includes a slide bar 61 and a guide rod 62, a sliding slot 19 corresponding to the slide bar 51 and the slide bar 61 is opened outside the inner cylinder 3, a return spring 7 is installed outside the guide rod 62, uniformly distributed positioning blocks 8 are movably connected to the inside of the outer cylinder 2, the positioning blocks 8 include a block 81 and a block two 82 which are distributed in a staggered manner, the slide bar 51 and the block 81 and the slide bar 61 and the block 82 are movably connected, locating piece 8's left side activity is pegged graft and is had flexible seat 10, extension spring 11 is installed on flexible seat 10's right side, flexible seat 10's left side fixedly connected with sucking disc 12, flexible seat 10's inside and the right side activity that is located sucking disc 12 are pegged graft and are had clamp plate 121, flexible seat 10's inside activity is pegged graft and is had inserted bar 13, inserted bar 13 is connected with clamp plate 121 meshing through gear 14, locating piece 8's inside and the below activity that is located flexible seat 10 are pegged graft and are had pinion rack 15, pinion rack 15's top fixedly connected with regulating plate 16, inserted bar 13's right-hand member and the right side fixedly connected with push pedal 17 that is located flexible seat 10, pinion rack 15 passes through gear two 18 and is connected with base 4 meshing, movable mounting has arm-tie 20 on fixing base 1, arm-tie 20 is connected with slide bar two 61 through flexible telescopic rod 21.

The first sliding rods 51 are movably inserted outside the inner column 3, the first sliding rods 51 are uniformly distributed on the left side of the connecting plate 52, the first sliding rods 51 are fixedly connected with the connecting plate 52, and the return spring 7 is installed on the left side of the connecting plate 52.

The second sliding rod 61 is movably inserted outside the inner column 3, the second sliding rods 61 are uniformly distributed on the left side of the guide rod 62, the second sliding rods 61 are fixedly connected with the guide rod 62, the guide rod 62 is movably inserted inside the connecting plate 52, the outer side of the guide rod 62 and the right side of the connecting plate 52 are fixedly sleeved with a baffle ring, and the second sliding rods 61 and the first sliding rods 51 are staggered.

Wherein, one side of the positioning block 8 close to the outer barrel 2 is provided with a slope, so that when the connecting rod 9 drives the positioning block 8 to move rightwards, the positioning block 8 can be retracted into the outer barrel 2.

The first gear 14 is rotatably installed inside the telescopic seat 10, rack sections meshed with the first gear 14 are arranged on one sides of opposite surfaces of the pressing plate 121 and the inserted rod 13, and the pressing plate 121 is driven to move reversely after the inserted rod 13 moves.

Wherein, the slope has been seted up to the one side that flexible seat 10 is close to pinion rack 15, and one side that pinion rack 15 was kept away from to flexible seat 10 is provided with the stopper, and the right side of flexible seat 10 is provided with the step that corresponds with regulating plate 16, and the right side of regulating plate 16 is provided with the slope that corresponds with push pedal 17, and pinion rack 15 moves the back upwards, and regulating plate 16 extrudes flexible seat 10 and moves to the left, then regulating plate 16 card is on the step of flexible seat 10 to promote push pedal 17 and move to the right.

Wherein, the spring part is movably sleeved outside the inserted link 13 and between the telescopic seat 10 and the push plate 17.

Wherein, the second gear 18 rotates and installs in the inside of locating piece 8, and one side of pinion rack 15 and base 4 opposite face all is provided with the rack section of meshing mutually with second gear 18, when locating piece 8 moved on the right side of base 4, drives pinion rack 15 through the rack section on second gear 18 and the base 4 and removes.

When the telescopic base is used, in an initial state, the pulling plate 20 is located at the right end of the movable range and is fixed on the fixed base 1 through the fastener 22, the pulling plate 20 drives the sliding piece I5 and the sliding piece II 6 to be located at the right end of the movable range, the sliding piece drives the positioning block 8 to be contracted inside the outer cylinder 2 through the connecting rod 9, the block I81 and the block II 82 are staggered left and right, and the telescopic base 10 is contracted inside the positioning block 8 under the pulling of the tension spring 11.

When carrying out pericardial effusion puncture, the puncture needle 23 is fixedly placed on the body of a patient through the fixed seat 1, the base 4 is fixedly attached on the skin of the patient, when the position of the puncture needle 23 is fixed, the fastening piece 22 is loosened, the pulling plate 20 is pushed to move left, the pulling plate 20 drives the slider II 6 to move left through the flexible telescopic rod 21 and the guide rod 62, when the baffle ring on the guide rod 62 is contacted with the connecting plate 52, the slider II 6 drives the slider I5 to move left through the baffle ring and the connecting plate 52, therefore, the slider II 6 and the slider I5 move to the leftmost end, after the slider II 6 moves to the right side of the base 4, the sliding rod II 61 drives the block II 82 to extend outwards through the connecting rod 9, in the process of moving the block II 82 outwards, the toothed plate 15 is driven to move outwards through the gear II 18 and the rack segments on the base 4, after the toothed plate 15 moves outwards, the telescopic seat 10 is extruded by the adjusting plate 16 to move left of the block II 82, the suction cup 12 on the second block 82 is adsorbed on the skin of a patient, then the adjusting plate 16 is clamped at the step of the telescopic seat 10 and pushes the push plate 17 to move right, and after the push plate 17 moves right, the press plate 121 is driven to move left through the inserted link 13 and the first gear 14, so that the press plate 121 extrudes the suction cup 12, the adsorption force of the suction cup 12 on the skin is further enhanced, and the position stability of the second block 82 is enhanced; then, the first block 81 moves to the right side of the base 4, and similarly, the first sliding rod 51 drives the first block 81 to extend outwards, the suction cup 12 on the first block 81 is tightly adsorbed on the skin of the patient, and then the pulling plate 20 is fixed through the fastener 22, so that the structural firmness of the whole device is ensured, as shown in fig. 1; the base 4 is thereby fixed to the patient's body by means of the suction cup 12, so that the positional stability of the puncture needle 23 is enhanced.

By arranging the first block 81 and the second block 82 to extend outwards in sequence, after the first block 81 extends out, enough clearance is reserved between the first blocks 81, so that the second block 82 can extend out completely and is inserted between the first blocks 81, and the smooth operation of the whole device is ensured.

The positioning block 8 is divided into the first block 81 and the second block 82 which are distributed in a staggered mode through arrangement, the first block 81 is movably connected with the first slider 5, the second block 82 is movably connected with the second slider 6, and the first slider 5 and the second slider 6 are staggered left and right, so that the first block 81 and the second block 82 can be staggered left and right, all the positioning blocks 8 can be guaranteed to be retracted inside the outer barrel 2, the occupied space of the whole device is reduced, and the positioning device is simple in structure and convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanism is derived in pericardial effusion location, includes fixing base (1), its characterized in that: the puncture needle is characterized in that a puncture needle (23) is mounted inside the fixed seat (1), an outer barrel (2) is fixedly connected to the left side of the fixed seat (1), an inner column (3) is fixedly connected to the inside of the outer barrel (2), the left end of the inner column (3) is located on the left side of the outer barrel (2), a base (4) is fixedly connected to the left side of the base (4), a gap is reserved between the base (4) and the outer barrel (2), a first slider (5) and a second slider (6) are movably sleeved on the outer side of the inner column (3), the first slider (5) comprises a first sliding rod (51) and a connecting plate (52), the second slider (6) comprises a second sliding rod (61) and a guide rod (62), a sliding groove (19) corresponding to the first sliding rod (51) and the second sliding rod (61) is formed in the outer side of the inner column (3), a reset spring (7) is, the positioning block (8) comprises a first sliding rod (51) and a second sliding rod (81) which are distributed in a staggered mode, the first sliding rod (51) and the first sliding rod (81) and the second sliding rod (61) and the second sliding rod (82) are movably connected through a connecting rod (9), a telescopic seat (10) is movably inserted and connected on the left side of the positioning block (8), a tension spring (11) is installed on the right side of the telescopic seat (10), a suction cup (12) is fixedly connected on the left side of the telescopic seat (10), a pressing plate (121) is movably inserted and connected inside the telescopic seat (10) and located on the right side of the suction cup (12), an inserted rod (13) is movably inserted and connected inside the telescopic seat (10), the inserted rod (13) is meshed and connected with the pressing plate (121) through a first gear (14), a toothed plate (15) is movably inserted and connected inside the positioning block (8) and located below the telescopic seat (10), an adjusting plate (16) is fixedly connected on the top of the toothed plate (15), and a push plate (17), the toothed plate (15) is meshed with the base (4) through a second gear (18), a pulling plate (20) is movably mounted on the fixed seat (1), the pulling plate (20) is connected with a second sliding rod (61) through a flexible telescopic rod (21), and a fastener (22) corresponding to the pulling plate (20) is arranged on the outer side of the fixed seat (1).

2. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the sliding rod I (51) is movably inserted outside the inner column (3), the sliding rods I (51) are uniformly distributed on the left side of the connecting plate (52), the connecting relation between the sliding rods I (51) and the connecting plate (52) is fixed connection, and the return spring (7) is installed on the left side of the connecting plate (52).

3. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the sliding rod II (61) is movably inserted in the outer side of the inner column (3), the sliding rod II (61) is uniformly distributed on the left side of the guide rod (62), the connection relation between the sliding rod II (61) and the guide rod (62) is fixed connection, the guide rod (62) is movably inserted in the connecting plate (52), the outer side of the guide rod (62) is fixedly sleeved with the right side of the connecting plate (52), and the sliding rod II (61) and the sliding rod I (51) are staggered.

4. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: and a slope is arranged on one side of the positioning block (8) close to the outer barrel (2).

5. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the first gear (14) is rotatably installed inside the telescopic seat (10), and rack sections meshed with the first gear (14) are arranged on one sides of opposite surfaces of the pressing plate (121) and the inserted rod (13).

6. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the utility model discloses a flexible seat, including flexible seat (10), pinion rack (15), the right side of flexible seat (10) is provided with the step that corresponds with regulating plate (16), the right side of regulating plate (16) is provided with the slope that corresponds with push pedal (17).

7. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the spring piece is movably sleeved between the telescopic seat (10) and the push plate (17) on the outer side of the inserted rod (13).

8. The pericardial effusion positioning and exporting mechanism according to claim 1, wherein: the second gear (18) is rotatably installed inside the positioning block (8), and rack sections meshed with the second gear (18) are arranged on one sides of opposite surfaces of the toothed plate (15) and the base (4).