CN219921169U - Novel puncture positioning device - Google Patents

Abstract

The utility model discloses a novel puncture positioning device, in particular to the technical field of medical auxiliary instruments, which comprises a base, wherein supporting legs are fixedly arranged at four corners of the lower end of the base, an open slot is formed in the middle of the upper end of the base, a moving mechanism is arranged in the open slot, an adjusting frame is fixedly arranged at the rear end of the base, a telescopic rod is fixedly arranged at the upper end of the moving mechanism, and a puncture frame is fixedly arranged at the upper end of the telescopic rod. According to the novel puncture positioning device, the adjusting frame is matched with the moving mechanism, the rotating speed of the threaded rod can be controlled, the slower speed is used for adjusting, the movement is more accurate, a certain time is saved in use, the puncture work is convenient, the telescopic rod can adjust the height of the puncture frame, the reset spring in the puncture sleeve can rapidly and stably jack up the needle head upwards, the operation of staff is reduced, the possibility of error due to fatigue is reduced, and meanwhile the operation difficulty of puncture is also reduced.

Description

Novel puncture positioning device

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a novel puncture positioning device.

Background

The heart bag puncture is carried out frequently in the department of cardiology operation and a large amount of hydrops are discharged so that the hydrops in the patient's body is reduced, when carrying out conventional manual puncture operation, medical personnel are required to have abundant operation experience, and during operation, medical personnel need consume great energy and time, and simultaneously, because the manpower is carried out when puncturing, the puncture needle takes place to rock and can lead to the puncture route to take place misplacement, cause secondary injury to the patient easily, and the in-process of manual puncture and plug, because the human tissue layer is different to the barrier effect of puncture needle, operating personnel need consume a large amount of energy in order to guarantee the smoothness of puncture in the puncture process, when taking place the human negligence and leading to hard, still cause secondary injury to the patient easily, influence the operation.

The Chinese patent document CN106308854A discloses a novel liver disease puncture positioning device, which comprises a first lead screw, a first guide rod and a puncture needle, wherein foot seats are arranged at two ends of the first lead screw and the first guide rod, the foot seats at the left end of the first lead screw and the left end of the first guide rod are connected through a connecting plate, a first stepping motor with an output shaft penetrating through a foot seat through hole and connected with the first lead screw is arranged on the left side surface of the foot seat at the left end of the first lead screw, a nut is connected with the middle part of the first lead screw in a threaded manner, a sliding sleeve is connected with the middle part of the first guide rod in a sliding manner, stand columns are arranged on the upper side surfaces of the nut and the sliding sleeve, a shaft seat is arranged at the upper end part of the stand columns, a second lead screw is arranged in a shaft hole of the shaft seat, a second stepping motor with an output shaft connected with the end part of the second lead screw is arranged on the rear side surface of the rear shaft seat, a driving cylinder is arranged on the right side surface of the driving cylinder, a driving block is arranged on the right side surface of the driving block, a fixing plate is arranged at the lower end of the right side of the driving block, and a wing plate is arranged on the middle part of the puncture needle;

this patent is in daily use, although can remove the pjncture needle, adjusts pjncture needle's position and high convenient puncture, but the moving speed when unable control controls, misses accurate point position very easily, leads to needing the round trip movement pole to adjust, can waste a large amount of precious operation time, and the syringe needle after the puncture is retrieved simultaneously still needs operating personnel to manually improve, and very easy appearance is rocked, carries out the secondary injury to patient.

Disclosure of Invention

The utility model mainly aims to provide a novel puncture positioning device which can effectively solve the problems that the back and forth puncture needle adjusting speed cannot be controlled and the puncture needle cannot be automatically lifted upwards.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the novel puncture positioning device comprises a base, wherein supporting legs are fixedly arranged at four corners of the lower end of the base, an open slot is formed in the middle of the upper end of the base, a moving mechanism is arranged in the open slot, an adjusting frame is fixedly arranged at the rear end of the base, a telescopic rod is fixedly arranged at the upper end of the moving mechanism, and a puncture frame is fixedly arranged at the upper end of the telescopic rod;

the moving mechanism comprises a rotating rod, the front end of the rotating rod is rotatably arranged on the inner wall of the front side of the open slot, a threaded pipe is fixedly arranged in the middle of the outer surface of the rotating rod, and the outer surface of the threaded pipe penetrates through and is in threaded connection with a threaded block.

Preferably, the support rod is fixedly arranged at the rear end of the rotating rod, the outer surface of the rear side of the support rod penetrates through and is fixedly provided with the rotating disc, an arc-shaped groove is formed in the middle of the rear end of the rotating disc, and four limiting holes are formed in the rear end of the support rod.

Preferably, the adjusting frame comprises an inner gear ring fixedly arranged at the rear end of the rotating disc, two first gears are meshed and arranged on the inner wall of the inner gear ring, an L-shaped frame fixedly arranged at the rear end of the base is rotatably arranged at the rear end of each first gear, and a gear frame is arranged between the first gears.

Preferably, the gear rack comprises a gear II meshed with the gear I at the same time, a sliding sleeve is fixedly arranged at the rear end of the gear II, a fixing rod is arranged in an inner cavity of the sliding sleeve, the front end of the fixing rod penetrates through and is rotatably arranged in the middle of the rear end of the supporting rod, an elastic spring is fixedly arranged between the rear end of the fixing rod and the inner wall of the rear side of the sliding sleeve, four limiting rods are fixedly arranged at the front end of the gear II, and the diameters of the limiting rods and the limiting holes are the same.

Preferably, the puncture frame comprises a support plate, backup pad fixed mounting is in the telescopic link upper end, backup pad right side fixed mounting has the puncture cover, the puncture cover runs through backup pad horizontal surface, puncture cover inner chamber is equipped with reset spring, reset spring upper end fixed mounting has the slip ring that is located puncture cover inner chamber, backup pad upper end right side fixed mounting has interior arc piece, interior arc piece locates puncture cover upside.

Preferably, a supporting block is fixedly arranged on the left side of the upper end of the supporting plate, a sliding strip is fixedly arranged at the upper end of the supporting block, a sliding block is slidably arranged on the inner wall of the sliding strip, an extrusion block is fixedly arranged at the right end of the sliding block, and an arc-shaped hole is formed in the right side of the horizontal surface of the extrusion block.

Compared with the prior art, the utility model has the following beneficial effects:

1. the adjusting frame that sets up uses through the cooperation mobile mechanism, rotates gear two through the mode of difference, can control threaded rod pivoted speed, uses slower speed to adjust, can remove more accurate position, also can not be because of adjusting too much round trip movement simultaneously, can practice thrift certain time in the use, conveniently carries out the puncture work in the operation.

2. Through the telescopic link that sets up, can be comparatively effectual the height of adjusting the puncture frame, conveniently operate, reset spring in the puncture cover can be after the puncture finishes, quick steady upwards jack-up with the syringe needle, reduces patient's secondary injury, has also reduced staff's operation simultaneously, has reduced the possibility of error because of tired appearance, has also reduced the operation degree of difficulty of puncture.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a position structure of a moving mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting frame of the present utility model;

FIG. 4 is a cross-sectional view of the carrier structure of the present utility model;

fig. 5 is a schematic view of the structure of the puncture stand according to the present utility model.

In the figure: 1. a base; 2. support legs; 3. an open slot; 4. a moving mechanism; 5. an adjusting frame; 6. a telescopic rod; 7. a puncture frame; 41. a rotating lever; 42. a threaded tube; 43. a screw block; 44. a support rod; 45. a rotating disc; 47. an arc-shaped groove; 48. a limiting hole; 51. an inner gear ring; 52. a first gear; 53. an L-shaped frame; 54. a gear frame; 541. a second gear; 542. a sliding sleeve; 543. a fixed rod; 545. an elastic spring; 546. a limit rod; 71. a support plate; 72. a puncture sheath; 73. a return spring; 74. a slip ring; 75. an inner arc block; 76. a support block; 77. a slide bar; 78. a slide block; 79. extruding a block; 80. arc-shaped holes.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, a novel puncture positioning device comprises a base 1, support legs 2 are fixedly arranged at four corners of the lower end of the base 1, an open slot 3 is formed in the middle of the upper end of the base 1, a moving mechanism 4 is arranged in the open slot 3, an adjusting frame 5 is fixedly arranged at the rear end of the base 1, the moving mechanism 4 is matched with the adjusting frame 5 to be used for controlling the position of a puncture frame 7, a telescopic rod 6 is fixedly arranged at the upper end of the moving mechanism 4, the height of the puncture frame 7 can be adjusted by the telescopic rod 6, the puncture frame 7 is fixedly arranged at the upper end of the telescopic rod 6, and a puncture needle can be fixed for convenient puncture.

In order to adjust the position of the puncture frame 7, as shown in fig. 2, the moving mechanism 4 comprises a rotating rod 41, the front end of the rotating rod 41 is rotatably mounted on the inner wall of the front side of the open slot 3, a threaded pipe 42 is fixedly mounted in the middle of the outer surface of the rotating rod 41, the outer surface of the threaded pipe 42 penetrates through and is in threaded connection with a threaded block 43, a supporting rod 44 is fixedly mounted at the rear end of the rotating rod 41, a rotating disc 45 penetrates through and is fixedly mounted on the outer surface of the rear side of the supporting rod 44, an arc-shaped slot 47 is formed in the middle of the rear end of the rotating disc 45, and four limiting holes 48 are formed in the rear end of the supporting rod 44;

the inner gear ring 51 rotates to drive the rotating disc 45 and the supporting rod 44 to rotate, the supporting rod 44 drives the rotating rod 41 and the rotating rod 41 to rotate in the open slot 3, the threaded pipe 42 can enable the threaded block 43 to move back and forth during rotation under the action of threaded connection, and the threaded block 43 cannot rotate.

In order to control the moving speed of the screw block 43, as shown in fig. 3, the adjusting frame 5 includes an inner gear ring 51 fixedly mounted at the rear end of the rotating disc 45, two first gears 52 are mounted on the inner wall of the inner gear ring 51 in a meshed manner, an L-shaped frame 53 fixedly mounted at the rear end of the base 1 is rotatably mounted at the rear ends of the first gears 52, a gear frame 54 is arranged between the first gears 52, when the second gears 541 and the first gears 52 keep meshed, the first gears 52 at two sides are driven to rotate by rotation of the second gears 541, the inner gear ring 51 is driven to rotate by the first gears 52 at two sides, and the rotating direction of the inner gear ring 51 is opposite to that of the second gears 541, so that the screw block 43 can be slowly moved.

Further, as shown in fig. 4, the gear frame 54 includes a second gear 541 meshed with the first gear 52, a sliding sleeve 542 is fixedly mounted at the rear end of the second gear 541, a fixed rod 543 is disposed in an inner cavity of the sliding sleeve 542, the front end of the fixed rod 543 penetrates through and is rotatably mounted in the middle of the rear end of the supporting rod 44, an elastic spring 545 is fixedly mounted between the rear end of the fixed rod 543 and the inner wall of the rear side of the sliding sleeve 542, four limiting rods 546 are fixedly mounted at the front end of the second gear 541, and the diameters of the limiting rods 546 and the limiting holes 48 are the same;

pushing the sliding sleeve 542 to move forward, the sliding sleeve 542 drives the gear two 541 and the limiting rod 546 to move forward, and the fixed rod 543 can squeeze the elastic spring 545 to shrink under the condition of no movement, after the limiting rod 546 is pushed into the limiting hole 48, the gear two 541 is not meshed with the gear one 52, so that the sliding sleeve 542 can be rotated to drive the gear two 541 to rotate, the inner gear ring 51 is directly driven to rotate, after the fixed rod 543 is not pushed any more, the shrunk elastic spring 545 drives the gear two 541 to reset to keep meshed with the gear one 52, and then the fixed rod 543 is rotated to drive the gear two 541 to rotate, so that the inner gear ring 51 is driven to rotate slowly.

In order to fix the puncture needle, as shown in fig. 5, the puncture frame 7 comprises a support plate 71, the support plate 71 is fixedly installed at the upper end of the telescopic rod 6, a puncture sleeve 72 is fixedly installed on the right side of the support plate 71, the puncture sleeve 72 penetrates through the horizontal surface of the support plate 71, a reset spring 73 is arranged in the inner cavity of the puncture sleeve 72, a sliding ring 74 positioned in the inner cavity of the puncture sleeve 72 is fixedly installed at the upper end of the reset spring 73, an inner arc block 75 is fixedly installed on the right side of the upper end of the support plate 71, the inner arc block 75 is arranged on the upper side of the puncture sleeve 72, the puncture needle is stably pressed downwards, the sliding ring 74 can be driven to move downwards, the reset spring 73 is extruded to shrink, and when the puncture needle is no longer pressed, the reset spring 73 in the puncture sleeve 72 can rapidly and stably drive the sliding ring 74 and the puncture needle to jack upwards, so that the puncture is completed.

Still further, as shown in fig. 5, a supporting block 76 is fixedly mounted on the left side of the upper end of the supporting plate 71, a sliding strip 77 is fixedly mounted on the upper end of the supporting block 76, a sliding block 78 is slidably mounted on the inner wall of the sliding strip 77, an extrusion block 79 is fixedly mounted on the right end of the sliding block 78, an arc hole 80 is formed in the right side of the horizontal surface of the extrusion block 79, a puncture needle is placed in the inner arc block 75 and the puncture sleeve 72, the sliding block 78 is pushed to drive the extrusion block 79 to move forward, and the arc hole 80 is attached to a puncture needle groove, so that the puncture needle can be fixed on the puncture frame 7.

The working principle of the utility model is as follows: the device is placed on an operating table, firstly, the height of a puncture frame 7 is adjusted to be proper by a telescopic rod 6, then, a sliding sleeve 542 is pushed to move forwards, the sliding sleeve 542 drives a gear II 541 and a limiting rod 546 to move forwards, a fixed rod 543 can extrude an elastic spring 545 to shrink under the condition of not moving, after the limiting rod 546 is pushed into a limiting hole 48, the gear II 541 is not meshed with the gear I52, the sliding sleeve 542 can be rotated to drive the gear II 541 to rotate, the inner gear ring 51 is directly driven to rotate, the inner gear ring 51 can drive a rotating disc 45 and a supporting rod 44 to rotate when rotating, the supporting rod 44 can drive the rotating rod 41 and the rotating rod 41 to rotate in an opening groove 3, under the action of threaded connection, a threaded pipe 42 can drive a threaded block 43 to move forwards and backwards when rotating, and the threaded block 43 cannot rotate, after the puncture needle is just rotated to the puncture position, the fixed rod 543 is not pushed any more, the contracted elastic spring 545 drives the gear two 541 to reset and keep engaged with the gear one 52, then the fixed rod 543 is rotated to drive the gear two 541 to rotate, the gear two 541 drives the gears one 52 on two sides to rotate, the gears one 52 on two sides drive the inner gear ring 51 to rotate, the rotation direction of the inner gear ring 51 is opposite to that of the gear two 541, the threaded block 43 can be slowly moved, the accuracy in movement is kept, the puncture needle is placed in the inner arc block 75 and the puncture sleeve 72, the sliding block 78 can be pushed to drive the extrusion block 79 to move forwards, the arc hole 80 is attached to the puncture needle groove, the puncture needle can be fixed on the puncture frame 7, puncture can be performed by stably pressing down the puncture needle, the sliding ring 74 is driven to move down, the reset spring 73 is extruded to shrink, and when no longer pressed, the reset spring 73 in the puncture sleeve 72 can quickly and stably drive the sliding ring 74 and the puncture needle to jack up, thus completing the puncture.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a novel puncture positioning device, includes base (1), its characterized in that: support legs (2) are fixedly arranged at four corners of the lower end of the base (1), an open slot (3) is formed in the middle of the upper end of the base (1), a moving mechanism (4) is arranged in the open slot (3), an adjusting frame (5) is fixedly arranged at the rear end of the base (1), a telescopic rod (6) is fixedly arranged at the upper end of the moving mechanism (4), and a puncture frame (7) is fixedly arranged at the upper end of the telescopic rod (6);

the moving mechanism (4) comprises a rotating rod (41), the front end of the rotating rod (41) is rotatably arranged on the inner wall of the front side of the open slot (3), a threaded pipe (42) is fixedly arranged in the middle of the outer surface of the rotating rod (41), and a threaded block (43) penetrates through the outer surface of the threaded pipe (42) and is in threaded connection with the outer surface of the threaded pipe.

2. The novel puncture positioning device according to claim 1, wherein: the rotary rod is characterized in that a supporting rod (44) is fixedly arranged at the rear end of the rotary rod (41), a rotary disc (45) penetrates through the outer surface of the rear side of the supporting rod (44) and is fixedly arranged on the outer surface of the rear side of the supporting rod, an arc-shaped groove (47) is formed in the middle of the rear end of the rotary disc (45), and four limiting holes (48) are formed in the rear end of the supporting rod (44).

3. The novel puncture positioning device according to claim 2, wherein: the adjusting frame (5) comprises an inner gear ring (51) fixedly arranged at the rear end of the rotating disc (45), two first gears (52) are meshed and arranged on the inner wall of the inner gear ring (51), L-shaped frames (53) fixedly arranged at the rear end of the base (1) are rotatably arranged at the rear ends of the first gears (52), and a gear frame (54) is arranged between the first gears (52).

4. A novel puncture positioning device as set forth in claim 3, further characterized in that: the gear rack (54) comprises a gear II (541) meshed with the gears I (52) simultaneously, a sliding sleeve (542) is fixedly arranged at the rear end of the gear II (541), a fixed rod (543) is arranged in an inner cavity of the sliding sleeve (542), the front end of the fixed rod (543) penetrates through and is rotatably arranged in the middle of the rear end of the supporting rod (44), an elastic spring (545) is fixedly arranged between the rear end of the fixed rod (543) and the inner wall of the rear side of the sliding sleeve (542), four limiting rods (546) are fixedly arranged at the front end of the gear II (541), and the diameters of the limiting rods (546) and the limiting holes (48) are the same.

5. The novel puncture positioning device according to claim 1, wherein: the puncture frame (7) comprises a support plate (71), the support plate (71) is fixedly arranged at the upper end of the telescopic rod (6), a puncture sleeve (72) is fixedly arranged on the right side of the support plate (71), the puncture sleeve (72) penetrates through the horizontal surface of the support plate (71), a return spring (73) is arranged in an inner cavity of the puncture sleeve (72), a sliding ring (74) positioned in the inner cavity of the puncture sleeve (72) is fixedly arranged at the upper end of the return spring (73), an inner arc block (75) is fixedly arranged on the right side of the upper end of the support plate (71), and the inner arc block (75) is arranged on the upper side of the puncture sleeve (72).

6. The novel puncture positioning device according to claim 5, wherein: support plate (71) upper end left side fixed mounting has supporting shoe (76), supporting shoe (76) upper end fixed mounting has draw runner (77), draw runner (77) inner wall slidable mounting has slider (78), slider (78) right-hand member fixed mounting has extrusion piece (79), arc hole (80) have been seted up on extrusion piece (79) horizontal surface right side.