CN114343800A

CN114343800A - Ultrasonic guide puncture catheter drainage device

Info

Publication number: CN114343800A
Application number: CN202210077950.9A
Authority: CN
Inventors: 李会霞; 王艳; 罗莹莹
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-04-15

Abstract

The invention relates to an ultrasonic guide puncture catheterization drainage device, which prevents a patient from moving in a puncture process by adopting a detachable arc-shaped clamping plate structure in a body clamping device, a guide rail on a bed body is provided with a frame body matched with the guide rail, and the frame body realizes the positioning and fixing of an ultrasonic probe through a three-dimensional adjusting device and an angle adjusting device, so that the hands of medical personnel are liberated, then the puncture needle, a guide pipe and an expansion pipe are driven by two groups of matched driving discs to complete the work of advancing and puncturing, meanwhile, the advancing speed is controllably adjusted by using a speed adjusting device, a handheld driving device realizes the input work of the positive direction and the negative direction of power transmission by using the transmission characteristic of a one-way gear, the invention can effectively liberate the medical personnel, is suitable for both a one-step puncture method and a two-step puncture method, and has uniform puncture process and stable advancing angle and is not easy to deviate, the efficiency of puncture and the accurate degree of puncture have been improved, have avoided simultaneously passing and the phenomenon of violence puncture.

Description

Ultrasonic guide puncture catheter drainage device

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to an ultrasonic guide puncture catheterization drainage device.

Background

The ultrasonic guided puncture tube placing technology is widely applied to the current medical system, the puncture tube placing technology under ultrasonic guidance is one of the important components of interventional ultrasound, in clinical use, a puncture needle can be guided to enter a patient body for interventional therapy through the matching of an ultrasonic probe image and an ultrasonic probe puncture frame, in brief, the puncture operation of a target focus is carried out in real time through matching of an ultrasonic image, so that a punctured drainage tube is kept, the puncture drainage is a very common treatment means in clinic, and particularly the puncture tube drainage is carried out under the B ultrasonic guidance or CT guidance at present. The use of puncture drainage in the clinic is most common in the following 3 conditions or diseases: 1. mainly seen in the infection of pleural effusion or the dyspnea symptom caused by a large amount of pleural effusion, the puncture of the postcostal space is adopted for drainage. 2. In case of liver cirrhosis after hepatitis and increased intra-abdominal pressure caused by a large amount of ascites, abdominal puncture is used to release the ascites so as to relieve the intra-abdominal hypertension symptoms of the patient. 3. The abdominal cavity residual effusion after the abdominal operation such as hepatobiliary, gastrointestinal or appendiceal suppuration and even secondary bacterial infection are mainly seen, and abscess is formed to cause symptoms of chilliness, fever and even blood toxicity. The puncture drainage under the guidance of B-ultrasonic is adopted to drain the pus completely, thereby achieving the purpose of healing and avoiding secondary operation.

The existing puncture tube placement technology generally adopts a 'one-step method' and a 'two-step method' to carry out ultrasonic-guided puncture tube placement work, in brief, the 'one-step method' is that puncture of a flow guide tube is carried out at the position of a patient needing puncture, the flow guide tube is internally sleeved with a metal inner sleeve tube and an inner core, so that puncture is directly carried out, after the focus is punctured, the metal inner sleeve tube and the inner core are pulled out, the 'two-step method' is that puncture is carried out through a puncture needle at the position of the patient needing puncture, after the puncture is carried out to a designated position, a needle core in the puncture needle is taken down, then the puncture needle is taken down after a metal guide wire is placed, then the puncture needle is inserted into an expansion tube along the guide wire, after the expansion tube is withdrawn, the drainage tube and the metal inner sleeve tube are sleeved, at the moment, the inner core does not need to be installed, then the assembled drainage tube is inserted into the focus along the guide wire, and after the focus is reached, the guide wire is drawn out, the inner core is taken out simultaneously to finish the puncture and tube placement work, and then the drainage tube is fixedly connected with the skin through the fixer to prevent the drainage tube from being pulled out.

In the process of matching with ultrasonic guidance, the existing puncture catheter drainage technology usually needs a user to continuously support an ultrasonic probe to ensure that accurate puncture is carried out in ultrasonic development, usually needs two medical staff to match with the ultrasonic probe, one person continuously holds the ultrasonic probe, and the other person carries out puncture catheter drainage work, so that an ultrasonic puncture catheter drainage device is developed on the basis of the problem, the ultrasonic probe is fixed after the position is determined, medical staff is liberated, and the medical staff in charge of puncture can carry out puncture catheter placement work under the fact of generating images, meanwhile, in the process of manual puncture by the medical staff, after a puncture route and a puncture angle are selected, violent puncture or over puncture situations possibly exist, and under different puncture situations, the requirements on the speed of puncture footage are different, the closer to the lesion area, the slower the puncture speed is required to be reduced by medical staff to prevent the puncture speed from penetrating or injuring surrounding tissues and blood vessels, meanwhile, due to the uncertainty of manual operation, the change of a puncture line is caused by artificial subjective deviation in a determined puncture route, and further inevitable injury and loss are caused to a patient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an ultrasonic guide puncture catheterization drainage device, which is used for solving the problems that an ultrasonic probe cannot be fixed in the puncture process, violent puncture, puncture and puncture line change occur in the artificial puncture process, and the puncture speed is too high or too low in the prior art.

The technical purpose of the invention is realized by the following technical scheme:

an ultrasonic guide puncture catheterization drainage device comprises a bed body and is characterized in that a body clamping device is connected to a bed plate of the bed body, the body clamping device is used for clamping and fixing the body of a patient, transverse guide rails are arranged on the front side and the rear side of the bed body, and an ultrasonic guide device is transversely arranged on the guide rails;

the ultrasonic guiding device comprises a frame body which is transversely connected on a guide rail in a sliding manner, a transverse positioning pin matched with the guide rail is connected on the frame body in a longitudinal threaded manner, a vertical sleeve is installed at the upper end of the frame body, a vertical telescopic rod is vertically matched in the vertical sleeve in a sliding manner, a vertical positioning pin matched with the vertical telescopic rod is connected on the vertical sleeve in a longitudinal threaded manner, a rectangular hole is formed in the upper end of the vertical telescopic rod, a rectangular cylinder is longitudinally matched in the rectangular hole in a sliding manner, the vertical positioning pin matched with the rectangular cylinder is connected on the vertical telescopic rod in a vertical threaded manner, inclined strip holes are formed in the left side wall and the right side wall of the rectangular cylinder, an L-shaped supporting rod arranged in the rectangular cylinder is arranged between the two groups of strip holes in a sliding manner, one end of the supporting rod is driven to move along the direction of the strip hole by a reciprocating mechanism installed at the upper end of the rectangular cylinder, and the other end of the supporting rod is hinged with a connecting rod in a spherical manner, an electromagnet and an armature which are matched with each other for use are arranged at the position where the connecting rod is hinged with the supporting rod ball, the other end of the connecting rod is detachably provided with an ultrasonic probe, and an ultrasonic display screen is arranged on the frame body;

the needle inserting and withdrawing device comprises two groups of symmetrically arranged box bodies, wherein one group of box bodies is provided with a transverse positioning rod, the other group of box bodies is provided with a positioning hole which is in transverse sliding fit with the positioning rod, a first transverse lead screw is in threaded connection between the two groups of box bodies, the screwing directions of partial threads which are in threaded fit with the box bodies on the two sides are opposite, a rotating speed adjusting device is arranged in each box body and used for adjusting the transmission ratio of an output shaft and an input shaft, the output shaft of the rotating speed adjusting device is coaxially connected with a driving disc which is arranged outside the box bodies, the outer edge of the driving disc is provided with an annular placing groove, a plurality of groups of rectangular grooves are uniformly distributed and connected in the placing groove along the circumferential direction, and the end parts of the rectangular grooves are radially matched with telescopic blocks in a sliding manner along the driving disc and are prevented from being separated, a first spring is arranged between the telescopic block and the inner bottom surface of the rectangular groove, the end part of the telescopic block is in a pointed shape, the telescopic blocks on the two groups of driving discs are matched to realize the clamping and footage effects on the puncture needle, the drainage tube and the expansion tube, the input shaft of the rotating speed adjusting device is connected with the handheld driving device, the requirement that the handheld driving device realizes the driving work of forward and reverse rotation on the input shaft of the rotating speed adjusting device is met, the rotating angle and the driving and rotating distance of the input shaft are recorded simultaneously, one end of the box body is provided with an arc-shaped contact rod, and the contact rod is contacted with the skin of a patient to realize the supporting effect on the box body structure;

the electromagnetic device comprises an electromagnet, an ultrasonic probe, an ultrasonic display screen, a reciprocating mechanism and a first controller which is arranged on a frame body, wherein the rotating speed adjusting device and the handheld driving device are electrically connected with a second controller which is arranged in the box body.

Preferably, the body clamping device comprises two groups of rectangular windows arranged on a bed plate of the bed body, two groups of rectangular blocks are arranged in the rectangular windows in a transverse sliding fit mode, sliding grooves with T-shaped sections are formed in the upper ends of the rectangular blocks, sliding blocks with T-shaped sections are arranged in the sliding grooves in a sliding fit mode, a second bidirectional lead screw arranged in the sliding grooves of the corresponding side is longitudinally connected between the two groups of rectangular blocks on the left side and the right side in a rotating fit mode, the second bidirectional lead screw is respectively in threaded fit with the sliding blocks in the two groups of sliding grooves on the left side and the right side in the same side, the direction of threaded fit of the same second bidirectional lead screw and the two groups of sliding blocks in threaded fit with the same second bidirectional lead screw is opposite, a first positioning pin matched with the lower end of the bed plate is connected to one side of one group of rectangular blocks connected to the same second bidirectional lead screw in a vertical threaded manner, an arc-shaped clamping plate is detachably connected to the upper end of the sliding blocks, and a plurality of radially arranged cylinders are uniformly distributed on one side of the arc-shaped clamping plate facing to the center of the circle, the inner end of the cylinder, facing the center of the arc-shaped clamping plate, is connected with a first telescopic rod in a sliding fit mode, a second spring is connected between the first telescopic rod and the inner bottom surface of the cylinder, and one end, facing the center of the arc-shaped clamping plate, of the first telescopic rod is connected with an arc-shaped rubber clamping block.

Preferably, the upper end of the sliding block is provided with a vertically arranged circular groove, the lower end of the arc-shaped clamping plate is connected with a cylindrical rod which is in vertical sliding fit with the circular groove, the side wall of the circular groove is provided with a rectangular through groove which is vertically arranged and provided with an upper end opening, the side wall of the circular groove is provided with a rectangular blocking groove which is horizontally arranged and is not provided with an upper end opening, the rectangular through groove and the blocking groove are communicated with each other through the arc-shaped groove, the lower end of the cylindrical rod is connected with a rectangular rod which is in vertical sliding fit with the through groove and the blocking groove, the inner bottom surface of the circular groove is connected with a third spring, the upper end of the third spring is connected with a circular plate which is in vertical sliding fit with the circular groove, and the circular plate is in contact fit with the lower bottom surface of the cylindrical rod, so that a detachable arc-shaped clamping plate structure is formed.

Preferably, reciprocating mechanism including installing the electric telescopic handle in a rectangle section of thick bamboo upper end, the actuating lever of L shape is installed to electric telescopic handle tip, the lower extreme of actuating lever and the vertical sliding fit of one end of bracing piece, electric connection between electric telescopic handle and the first controller.

Preferably, ultrasonic probe goes up to open the cooperation groove that has the rectangle with connecting rod sliding fit, it has the holding tank of rectangle to open on the both sides wall in cooperation groove, holding tank sliding fit has the cross-section to be trapezoidal chucking piece, the slope inclined plane of the tip of chucking piece sets up towards connecting rod one end, be connected with the fourth spring of arranging in the holding tank between the bottom surface in chucking piece one end and the holding tank, chucking piece front end is connected with the drive plate that extends the holding tank, it has the card hole with chucking piece complex to open on connecting rod and the cooperation groove complex both sides wall to constitute detachable ultrasonic probe structure.

Preferably, the rotating speed adjusting device comprises a first stepless speed changing wheel and a second stepless speed changing wheel which are arranged in the box body along the up-down direction and are matched with each other, the stepless speed changing wheel comprises a first conical wheel and a second conical wheel which are arranged oppositely, the outer end surface of the first conical wheel on the upper side is coaxially connected with a moving shaft, the outer end of the moving shaft is coaxially and rotatably connected with a first translation plate, the front end of the moving shaft extends out of the first translation plate and is axially and slidably matched with a first output shaft which is longitudinally and rotatably connected on the box body, the first output shaft is coaxially connected with an output shaft of the rotating speed adjusting device, the second conical wheel on the upper side is rotatably connected in the box body, the outer end surface of the second conical wheel on the lower side is coaxially and rotatably connected with a second translation plate, the first conical wheel on the lower side is rotatably connected in the box body, and the rotating guide rods which are arranged on the upper side and the lower side of the stepless speed changing wheel and are rotatably connected in the box body, the two sides of the first translation plate and the second translation plate are respectively in threaded fit with guide rods corresponding to the first translation plate and the second translation plate, the four groups of guide rods are driven by a transmission device installed in the box body to rotate synchronously, a rotating shaft of a first conical wheel on the lower side is coaxially connected with an input shaft of a rotating speed adjusting device, a metal belt is sleeved between the first stepless speed changing wheel and the second stepless speed changing wheel, and the transmission device is electrically connected with the second controller.

Preferably, transmission include the first gear of coaxial coupling on the guide bar, the meshing has the second gear of rotation connection in the box between two sets of first gears on the same infinitely variable speed wheel, second gear coaxial coupling has the third gear, and the meshing has the fourth gear of rotation connection in the box between two sets of third gears, the outer drive knob of box is arranged in to the outer coaxial coupling of pivot of fourth gear, be provided with the pointer on the drive knob, be provided with on the box lateral wall with pointer complex scale, electric connection between drive knob and the second controller.

Preferably, the hand-held driving device comprises a casing which is connected to the lower side of the box body and is open at one side far away from the centers of the two groups of box bodies, a hand-held driving sleeve is transversely matched with the open end at one side far away from the centers of the two groups of box bodies, a first one-way gear at the upper side and a second one-way gear at the lower side are respectively connected in the casing in a rotating manner, the transmission directions of the two groups of one-way gears are opposite, a double-sided rack is vertically matched in the driving sleeve in a sliding manner, the double-sided rack is transversely arranged and arranged between the two groups of one-way gears, a driving bolt is connected on the driving sleeve in a vertical threaded manner, the end part of the driving bolt is rotatably connected with the double-sided rack, the double-sided rack is respectively meshed with the one-way gear at the corresponding side at the vertical limit position, and a transversely arranged return spring is connected between the double-sided rack and the side wall of the casing, the first one-way gear is meshed with a fifth gear which is rotatably connected in the shell, the second one-way gear is meshed with a sixth gear which is rotatably connected in the shell, the fifth gear and the sixth gear are in transmission connection through a belt, the speed regulation device further comprises a seventh gear which is coaxially connected to an input shaft of the speed regulation device, and the seventh gear is meshed with the fifth gear;

and the double-sided rack is connected with a rack displacement calculating device for calculating the rotation angle and the distance of the meshing drive of the rack and the one-way gear, and the rack displacement calculating device is electrically connected with the second controller.

Preferably, the rack displacement calculating device comprises a telescopic conductive contact connected to the double-sided rack, and further comprises a plurality of groups of resistance coils transversely arranged in the housing, the telescopic conductive contact and the resistance coils are in contact fit to form a structure of the slide rheostat, the conductive contact and the plurality of groups of resistance coils form a resistance circuit, and the resistance circuit is electrically connected with the second controller.

The invention has the beneficial effects that: the invention prevents patients from moving in the puncture process by adopting a detachable arc-shaped clamping plate structure in the body clamping device, utilizes the guide rail on the bed body to be provided with the frame body matched with the guide rail, realizes the positioning and fixing of the ultrasonic probe through the three-dimensional adjusting device and the angle adjusting device on the frame body, thereby freeing the hands of medical personnel, then drives the puncture needle, the flow guide pipe and the expansion pipe to complete the work of advancing the ruler and puncturing through two groups of matched driving discs, simultaneously utilizes the speed adjusting device to controllably adjust the advancing ruler speed, and utilizes the transmission characteristic of the one-way gear to realize the input work of the positive and negative directions of power transmission by the handheld driving device. The speed of puncture can carry out the selection at any time according to the condition, has improved the efficiency of puncture and the accurate degree of puncture, has still alleviateed medical personnel's operating pressure simultaneously, avoids the puncture error because of subjective problem causes, has avoided the phenomenon of crossing and violence puncture, easy operation, and the practicality is strong, is fit for promoting.

Drawings

FIG. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view angle two of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a perspective view of the body gripping means of the present invention.

Fig. 5 is a perspective view of a part of the body clamp of the present invention.

Fig. 6 is a cross-sectional view of a slider and its attachment portion in the present invention.

Fig. 7 is a schematic perspective view of the slider of the present invention.

Fig. 8 is a perspective view of the arc-shaped clamping plate and its connection part according to the present invention.

Figure 9 is a perspective view of the ultrasonic guide of the present invention.

Fig. 10 is a perspective view of a partial structure of an ultrasonic guide device in the present invention.

Figure 11 is a perspective view of a support bar in the ultrasonic guide of the present invention.

Fig. 12 is a perspective view showing the connection of the ultrasonic probe and the connecting rod according to the present invention.

Fig. 13 is a perspective view showing a connecting rod and a connecting portion thereof according to the present invention.

FIG. 14 is a perspective view of the constant speed needle inserting and withdrawing device of the present invention.

FIG. 15 is a perspective view of the needle uniform advancing and retreating device of the present invention.

FIG. 16 is a perspective view of the shift adjustment device and its attachment portion of the present invention.

Figure 17 is a cross-sectional view of a drive plate and its attachment portion in accordance with the present invention.

Fig. 18 is a three-dimensional structure of the shift control device of the present invention.

Fig. 19 is a three-dimensional structure of the hand-held drive device of the present invention.

In the figure, 1, bed body; 2. a guide rail; 3. a frame body; 4. a transverse positioning pin; 5. a vertical sleeve; 6. a vertical telescopic rod; 7. a vertical positioning pin; 8. a rectangular hole; 9. a rectangular cylinder; 10. a longitudinal positioning pin; 11. a strip hole; 12. a support bar; 13. a connecting rod; 14. an electromagnet; 15. an ultrasonic probe; 16. an ultrasonic display screen; 17. a box body; 18. a transverse positioning rod; 19. positioning holes; 20. a first bidirectional lead screw; 21. a drive disc; 22. a placement groove; 23. a rectangular groove; 24. a telescopic block; 25. a first spring; 26. a contact lever; 27. a rectangular window; 28. a rectangular block; 29. a chute; 30. a slider; 31. a second bidirectional lead screw; 32. a first positioning pin; 33. an arc-shaped clamping plate; 34. a cylinder; 35. a first telescopic rod; 36. a second spring; 37. a rubber clamping block; 38. a circular groove; 39. a cylindrical rod; 40. passing through the slot; 41. plugging the groove; 42. an arc-shaped slot; 43. a rectangular bar; 44. a third spring; 45. a circular plate; 46. an electric telescopic rod; 47. a drive rod; 48. a mating groove; 49. accommodating grooves; 50. a clamping block; 51. a fourth spring; 52. a drive plate; 53. a clamping hole; 54. a first stepless speed change wheel; 55. a second continuously variable transmission wheel; 56. a first conical wheel; 57. a second conical wheel; 58. a movable shaft; 59. a first translation plate; 60. a first output shaft; 61. a second translation plate; 62. a guide bar; 63. a metal strip; 64. a first gear; 65. a second gear; 66. a third gear; 67. a fourth gear; 68. a drive knob; 69. a housing; 70. a drive sleeve; 71. a first one-way gear; 72. a second one-way gear; 73. a double-sided rack; 74. a drive bolt; 75. a return spring; 76. a fifth gear; 77. a sixth gear; 78. a seventh gear; 79. a retractable conductive contact; 80. and a resistance coil.

Detailed Description

The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings of fig. 1-19.

The first embodiment, in combination with the prior art, discloses an ultrasound-guided puncture catheterization drainage device, for solving the problems mentioned in the background technology, an ultrasonic guide puncture catheter-placing drainage device comprises a bed body 1, the bed board of the bed body 1 is connected with a body clamping device which realizes clamping and fixing of the body of a patient, after the patient position of the body is determined, the body of the patient is fixed through the body clamping device to be prevented from moving in the puncturing process, because the patient is prevented from being disturbed during the puncture process, the puncture needle can be displaced by the large-amplitude action of the patient during the puncture process, thereby damaging surrounding blood vessels and tissues, wherein transverse guide rails 2 are arranged on the front side and the rear side of the bed body 1, and ultrasonic guide devices are transversely arranged on the guide rails 2;

the ultrasonic guide device comprises a frame body 3 which is transversely connected on a guide rail 2 in a sliding manner, the frame body 3 is provided with a transverse positioning pin 4 matched with the guide rail 2, the frame body 3 is arranged on any one side of a bed body 1 and is convenient to take off under the condition of not using, the end part of the transverse positioning pin 4 is matched with one side of the guide rail 2 to be clamped on the current position after a knob, the transverse positioning pin 4 is matched with one side of the guide rail 2 to be clamped on the current position, the frame body 3 is matched with the guide rail 2 to adjust the position in the transverse direction, the section of the guide rail 2 is in a T shape, a groove body structure matched with the guide rail 2 is arranged on the frame body 3, so that the frame body 3 can only move along the transverse direction of the frame body 3, a vertical sleeve 5 is arranged at the upper end of the frame body 3, a vertical telescopic rod 6 is vertically matched in the vertical sleeve 5 in a sliding manner, a vertical positioning pin 7 matched with the vertical telescopic rod 6 is connected on the vertical sleeve 5 in a threaded manner, the vertical positioning pin 7 is abutted to one side of the telescopic rod after being screwed so that the relative position between the vertical telescopic rod 6 and the vertical sleeve 5 is limited, the upper end of the vertical telescopic rod 6 is provided with a rectangular hole 8, a rectangular cylinder 9 is longitudinally matched in the rectangular hole 8 in a sliding way, the front end and the rear end of the rectangular cylinder 9 are both opened, the upper end of the vertical telescopic rod 6 is vertically connected with a longitudinal positioning pin 10 matched with the rectangular cylinder 9 in a threaded way, the longitudinal positioning pin 10 also has the effect of longitudinally locking the rectangular cylinder 9, the three groups of positioning pins are matched with corresponding structures to realize the three-dimensional adjustment work of the position of the rectangular cylinder 9 in three directions, the left side wall and the right side wall of the rectangular cylinder 9 are provided with inclined long holes 11, an L-shaped support rod 12 arranged in the rectangular cylinder 9 is arranged between the two groups of long holes 11 in a sliding way, so that the support rod 12 can only move along the direction of the long holes 11, one end of the supporting rod 12 drives the supporting rod 12 to move along the direction of the elongated hole 11 through a reciprocating mechanism arranged at the upper end of the rectangular cylinder 9, the elongated hole 11 is arranged to provide an inclined downward driving action for the rectangular cylinder 9, so that the ultrasonic probe 15 connected with the supporting rod can continuously move downward at any time and is matched with the operation of the practical medical staff, the reciprocating mechanism adopts an electric telescopic rod 46 arranged at the upper end of the rectangular cylinder 9, an L-shaped driving rod 47 is arranged at the end part of the electric telescopic rod 46, the lower end of the driving rod 47 is in vertical sliding fit with one end of the supporting rod 12, so that the driving rod 47 at the end part of the electric telescopic rod 46 is driven to move longitudinally in the process of longitudinal reciprocating movement, the rectangular cylinder 9 can obliquely move downward along the elongated hole 11 in a reciprocating manner, and the other end of the supporting rod 12 is hinged with a connecting rod 13, the electromagnet 14 and the armature which are mutually matched for use are arranged at the position where the connecting rod 13 is in spherical hinge connection with the supporting rod 12, the connecting rod 13 and the supporting rod 12 are in a hinge structure, namely, a hemispherical mounting groove is arranged at the end part of the supporting rod 12, then the spherical structure on the connecting rod 13 is arranged in the mounting groove, the spherical hinge structure aims to conveniently adjust the angle of the ultrasonic probe 15, so that the ultrasonic probe 15 is matched with the position of a patient with a disease, and simultaneously, the image of the needle can be clearly seen, after the adjustment is finished, the electromagnet 14 arranged in the hemisphere is electrified to adsorb the spherical armature, thereby achieving the purpose of reliable fixation, the ultrasonic probe 15 can be detachably arranged at the other end of the connecting rod 13, and in the detachable mounting mode, a rectangular matching groove 48 in sliding fit with the connecting rod 13 is arranged on the ultrasonic probe 15, the connecting rod 13 is provided with a holding groove 49 inserted into the matching groove 48, two side walls of the matching groove 48 are provided with rectangular holding grooves 49, the front end opening of the holding groove 49 is not closed, the holding groove 49 is in sliding fit with a clamping block 50 with a trapezoidal section, a limiting cross rod for limiting the clamping block 50 to fall out of the holding groove 49 is arranged in the area where the front end opening of the holding groove 49 is not closed, an inclined plane of the end part of the clamping block 50 is arranged towards one end of the connecting rod 13, namely the connecting rod 13 can firstly touch the inclined plane of the clamping block 50 when being inserted, so that the connecting rod can be smoothly inserted into the matching groove 48, a fourth spring 51 arranged in the holding groove 49 is connected between one end of the clamping block 50 and the inner bottom surface of the holding groove 49, the front end of the clamping block 50 is connected with a driving plate 52 extending out of the holding groove 49, two side walls of the connecting rod 13 matched with the matching groove 48 are provided with clamping holes 53 matched with the clamping block 50, thereby forming a detachable ultrasonic probe 15 structure, when the connecting rod 13 is matched with the matching groove 48, when the connecting rod 13 is inserted into the matching groove 48, one side of the side wall of the connecting rod 13 with the clamping hole 53 is matched with the clamping block 50, the connecting rod 13 can push the fourth spring 51 to compress after encountering the clamping block 50 in an inclined shape, the clamping block 50 is pushed into the accommodating groove 49, after the connecting rod 13 completely enters the matching groove 48, the clamping block 50 enters the clamping hole 53 under the action of the fourth spring 51 to clamp the connecting rod 13, when the disassembly is needed, the driving plate 52 is pushed outwards, so that the clamping block 50 enters the accommodating groove 49 again, the separation of the connecting rod 13 and the matching groove 48 can be realized, the disassembly is realized, the frame body 3 is provided with the ultrasonic display screen 16, and the real-time display of an ultrasonic image is facilitated;

the needle inserting and withdrawing device comprises two groups of symmetrically arranged box bodies 17, wherein a transverse positioning rod 18 is arranged on one group of box bodies 17, a positioning hole 19 which is in transverse sliding fit with the positioning rod is arranged on the other group of box bodies 17, the positioning rod is matched with the positioning hole 19 in order to ensure that the two groups of box bodies 17 can only move relatively in the transverse direction, a first transverse lead screw 20 which is transversely arranged is connected between the two groups of box bodies 17 in a threaded manner, the thread directions of the first transverse lead screw 20 and the box bodies 17 at the two sides are partially opposite, the two groups of box bodies 17 are driven to move towards the directions which are close to or far away from each other by the rotation of the first transverse lead screw 20, so that the distance between the two groups of box bodies 17 is adjusted, and a rotating speed adjusting device is arranged in the box bodies 17 and used for adjusting the transmission ratio of an output shaft and an input shaft, therefore, in the process of needle insertion, the speed of needle insertion is adjusted, the output shaft of the rotating speed adjusting device is coaxially connected with a driving disc 21 arranged outside a box body 17, the outer edge of the driving disc 21 is provided with an annular placing groove 22, a plurality of groups of rectangular grooves 23 are uniformly distributed and connected in the circumferential direction in the placing groove 22, the end parts of the rectangular grooves 23 are radially and slidably matched with telescopic blocks 24 along the driving disc 21 and are not separated, in order to realize that the telescopic blocks 24 are not separated, the separation can be realized only by installing limiting frames for limiting at the end parts, a first spring 25 is arranged between the telescopic blocks 24 and the inner bottom surface of the rectangular grooves 23, the end parts of the telescopic blocks 24 are arranged in a pointed shape, the telescopic blocks 24 on the two groups of driving discs 21 are matched to realize the clamping and size-inserting function of puncture needles, drainage tubes and expansion tubes, and the pointed telescopic blocks 24 can clamp the puncture needles and drainage tubes in the pointed telescopic blocks, the tip of the telescopic block 24 is higher than the outer edge of the placing groove 22 as much as possible along with the rotation of the driving disc 21 to perform the work of pushing and puncturing, so that a good clamping effect can be achieved, the first bidirectional screw 20 adjusts the distance between the two groups of box bodies 17 and aims at adjusting the distance between the tip ends of the telescopic rods on different driving discs 21, so that the proper clamping effect on puncture needles, drainage tubes and expansion tubes with different thicknesses can be achieved, the efficiency and the effect of puncturing and advancing the ruler can be ensured on the premise of not damaging the puncture needles, the drainage tubes and the expansion tubes, the input shaft of the rotating speed adjusting device is connected with the handheld driving device, the requirement that the handheld driving device achieves the positive and negative rotation driving work on the input shaft of the rotating speed adjusting device is met, the rotating angle and the driving and rotating distance of the input shaft are recorded, and the handheld driving device drives the input shaft of the rotating speed adjusting device to perform the positive and negative rotation work, therefore, different working states of needle insertion and needle withdrawal are completed, the handheld driving device can also carry out speed measurement on the rotating angle and distance of an output shaft of the driving speed adjusting device when the handheld driving device is driven, so that the distance of the driving disc 21 for driving the puncture needle, the drainage tube and the expansion tube to advance is measured, an arc-shaped contact rod 26 is installed at one end of the box body 17, and the contact rod 26 is in contact with the skin of a patient to realize the supporting effect on the structure of the box body 17;

the electromagnet 14, the ultrasonic probe 15, the ultrasonic display screen 16 and the reciprocating mechanism are electrically connected with a first controller arranged on the frame body 3, the rotating speed adjusting device and the handheld driving device are electrically connected with a second controller arranged in the box body 17, the first controller and the second controller are both made of integrated CPUs (central processing units), data are collected and processed, and simultaneously, all the devices are controlled to work in a time sequence mode, when the puncture needle is used, the focus position of a patient is roughly judged, then the body is clamped at the position of the patient through a body clamping device, the patient is prevented from moving around in the puncture process, after the puncture needle is clamped, the frame body 3 is arranged on the guide rail 2 on one side, then the ultrasonic probe 15 is used for carrying out radiography observation on the focus, the needle feeding route is determined, and after the position of the ultrasonic probe 15 is determined, the position of the rectangular cylinder 9 is moved to the position of the ultrasonic probe 15 through the transverse positioning pin 4, the longitudinal positioning pin 10 and the vertical positioning pin 7, after the movement is completed, the position is locked through the positioning pin, then the ultrasonic probe 15 is connected with the connecting rod 13, the connecting rod 13 overcomes the fourth spring 51 after touching the inclined surface of the clamping block 50, the fourth spring is pushed into the accommodating groove 49, the connecting rod 13 enters the matching groove 48, once the clamping block 50 meets the clamping hole 53, the clamping connection is realized, then the angle of the ultrasonic probe 15 is adjusted by utilizing the ball hinge according to the angle of the ultrasonic probe 15, after the adjustment is completed, the electromagnet 14 is electrified, so that the electromagnet 14 adsorbs the armature, the purpose of locking the current angle of the ultrasonic probe 15 is achieved, after the probe angle is locked, in the process of puncture, the electric telescopic rod 46 can be controlled by the first controller to perform reciprocating movement, the support rod 12 moves along the direction of the elongated hole 11, so that the ultrasonic probe 15 has a reciprocating action of inclining downwards, and the work of ultrasonic radiography is more visual and inclined;

when the puncture tube placement is carried out by a one-step method, namely a direct puncture method, the distance between the two groups of box bodies 17 is adjusted by the first bidirectional screw rod 20, so that the distance between the telescopic blocks 24 on the driving disks 21 is matched with the diameter of the drainage tube, then the contact rods 26 on the two groups of box bodies 17 are supported at the position of a patient needing puncture, then the assembled drainage tube is inserted between the two groups of driving disks 21 along the puncture position, the head of the drainage tube is propped against the skin surface of the patient, then the input shaft of the rotating speed adjusting device is driven by the handheld driving device to work in the forward direction, the output shaft of the rotating speed adjusting device drives the driving disks 21 to rotate to form a group, the two groups of driving disks 21 are matched to puncture the drainage tube to the focus position of the patient at uniform speed, the puncture speed can be controlled by adjusting the rotating speed adjusting device, and tissues and blood vessels are prevented from being punctured and punctured violently, meanwhile, the handheld driving device can record and display the puncture distance, so that subsequent filing and recording are facilitated, and after the puncture is finished, the inner sleeve and the inner core are drawn out, and the drainage tube is locked on the skin of a patient;

when the two-step puncture tube placement is carried out, namely, when the puncture tube placement is carried out by a guide wire, the distance between the two groups of box bodies 17 is adjusted by the first bidirectional screw rod 20, so that the distance between the telescopic blocks 24 on the driving disks 21 is matched with the diameter of the puncture needle, then the contact rods 26 on the two groups of box bodies 17 are supported at the position of a patient needing puncture, then the assembled puncture needle is inserted between the two groups of driving disks 21 along the puncture position, the head of the puncture needle is propped against the skin surface of the patient, then the input shaft of the rotating speed adjusting device is driven by the handheld driving device to carry out forward work, the output shaft of the rotating speed adjusting device drives the driving disks 21 to rotate together, the two groups of driving disks 21 are matched to puncture the puncture needle to the focus position of the patient at constant speed, the puncture speed can also be controlled by adjusting the rotating speed adjusting device to prevent tissues and blood vessels from being punctured by over and violently, meanwhile, the handheld driving device can record and display the puncture distance, then the needle core of the puncture needle is taken out, one hand holds the device, the other hand inserts a guide wire into the puncture needle, after the guide wire is inserted, the guide wire is held, the handheld driving device drives the input shaft of the rotating speed adjusting device to reversely work, the puncture needle is taken out of the body of the patient, then the expansion tube is inserted into the focus of the human body along the guide wire according to the steps, then the handheld driving device drives the input shaft of the rotating speed adjusting device to reversely work, the expansion tube is taken out, then the combination of the drainage tube and the inner sleeve tube is punctured along the guide wire according to the mode, the drainage tube is punctured by the same stroke according to the data recorded by the handheld driving device, the over-puncture is prevented, after the focus is reached, the guide wire is taken out, and then the inner sleeve tube is taken out, the distance between the two sets of boxes 17 can also be adjusted by opening the first two-way screw 20, the whole device is removed, in the process of puncture, the speed of puncture can be adjusted at any time through the rotating speed adjusting device, after the puncture is finished, the inner sleeve and the inner core are drawn out, and the drainage tube is locked on the skin of a patient, medical staff can be effectively liberated in the embodiment, the whole process can be completed by one medical staff, both the one-step method and the two-step method puncture method are suitable for the device, the puncture process is uniform, the advancing ruler angle is stable and not easy to deviate, the speed of puncture can be selected at any time according to the situation, the efficiency of puncture and the accuracy of puncture are improved, meanwhile, the working pressure of medical staff is reduced, puncture errors caused by subjective problems are avoided, the phenomena of penetration and violent puncture are avoided, the operation is simple, the practicability is high, and the device is suitable for popularization.

In the second embodiment, on the basis of the first embodiment, the body clamping device includes two sets of rectangular windows 27 formed on the bed plate of the bed body 1, the two sets of rectangular windows 27 are longitudinally arranged at intervals, two sets of rectangular blocks 28 are transversely matched in the rectangular windows 27 in a sliding manner, so that the rectangular blocks 28 can only move along the transverse direction of the rectangular windows 27, the upper ends of the rectangular blocks 28 are provided with sliding grooves 29 with T-shaped sections, sliding blocks 30 with T-shaped sections are matched in the sliding grooves 29 in a sliding manner, the sliding blocks 30 can only move along the longitudinal direction of the sliding grooves 29, second bidirectional lead screws 31 arranged in the sliding grooves 29 on the corresponding sides are longitudinally and rotatably connected between the two sets of rectangular blocks 28 on the left and right sides, the two sets of rectangular blocks 28 on the left side share one second bidirectional lead screw 31, the two sets of rectangular blocks 28 on the right side share one second bidirectional lead screw 31, the second bidirectional lead screws 31 are respectively in threaded fit with the sliding blocks 30 in the two sets of sliding grooves 29 on the left and right sides, and the direction of the thread fit of the same second bidirectional screw 31 and the two sets of sliding blocks 30 which are thread fit thereon is opposite, so that the second bidirectional screw 31 drives the two sets of sliding blocks 30 to move towards the same or opposite direction in the rotating process, one side of one rectangular block 28 of the two sets of rectangular blocks 28 which are connected on the same second bidirectional screw 31 is vertically and threadedly connected with a first positioning pin 32 which is matched with the lower end of the bed plate, the first positioning pin 32 has the effect of locking the two sets of rectangular blocks 28 in the rectangular window 27, the upper end of the sliding block 30 is detachably connected with an arc-shaped clamping plate 33, as for the detachable structure, the upper end of the sliding block 30 is provided with a vertically arranged circular groove 38, the lower end of the arc-shaped clamping plate 33 is connected with a cylindrical rod 39 which is vertically and slidably matched with the circular groove 38, the side wall of the circular groove 38 is provided with a longitudinally arranged rectangular through groove 40 with an opening at the upper end, the side wall of the circular groove 38 is provided with a rectangular blocking groove 41 which is transversely arranged and has a non-opened upper end, the passing groove 40 and the blocking groove 41 are in a cross shape, the passing groove 40 is communicated with the blocking groove 41 through an arc-shaped groove 42, the lower end of the cylindrical rod 39 is connected with a rectangular rod 43 which is vertically matched with the passing groove 40 and the blocking groove 41 in a sliding manner, the inner bottom surface of the circular groove 38 is connected with a third spring 44, the upper end of the third spring 44 is connected with a circular plate 45 which is vertically matched in the circular groove 38 in a sliding manner, the circular plate 45 is contacted and matched with the lower bottom surface of the cylindrical rod 39, so that a detachable arc-shaped clamping plate 33 structure is formed, when the rectangular rod 43 on the cylindrical rod 39 is downwards inserted into the circular groove 38 along the passing groove 40, the elastic force of the third spring 44 is overcome at the moment, the circular plate 45 is driven to downwards move, and when the rectangular rod is moved to the position of the arc-shaped groove 42, the arc-shaped rod 43 is rotated to the position of the blocking groove 41, under the action of the third spring 44, the cylindrical rod 39 moves upwards for a certain distance, the rectangular rod 43 is clamped in the blocking groove 41 and cannot rotate, in a detachable mode, only the elastic force of the third spring 44 needs to be overcome downwards, so that the rectangular rod 43 reaches the position of the arc-shaped groove 42 and then rotates ninety degrees in the opposite direction, and the rectangular rod is pulled out through operation, the arrangement is aimed at enabling the arc-shaped clamping plate 33 on the rectangular rod to be conveniently detached at any time without influencing the normal use of the bed body 1, a plurality of groups of radially-arranged cylinders 34 are uniformly distributed and connected on one side surface of the arc-shaped clamping plate 33 facing to the arc-shaped circle center, a first telescopic rod 35 is radially and slidably matched in the cylinders 34, a second spring 36 is connected between the inner bottom surfaces of the first telescopic rod 35 and the cylinders 34, one end of the first telescopic rod 35 facing to the center of the arc-shaped clamping plate 33 is connected with an arc-shaped rubber clamping block 37 and a telescopic clamping structure, make the patient can not cause the damage of rigidity at the in-process of centre gripping, this embodiment is when using, after confirming patient's puncture position, reach the assigned position through two sets of rectangular blocks 28 that move the left and right sides, then utilize first locating pin 32 to lock, then install arc chucking piece 50 on slider 30, according to patient's size, through adjusting two sets of two-way lead screw 31 of second, make the slider 30 of homonymy remove towards the same or opposite direction, realize the effect of pressing from both sides tightly, after finishing using and dismantling the pinch-off blades, it can with the device reconversion.

Third embodiment, on the basis of the first embodiment, the rotation speed adjusting device includes a first stepless transmission wheel 54 and a second stepless transmission wheel 55 which are arranged in the box body 17 along the up-down direction and are matched with each other, and the rotation speed adjusting device herein discloses a stepless transmission adjusting structure, the stepless transmission wheels include a first cone wheel 56 and a second cone wheel 57 which are oppositely arranged, that is, each stepless transmission wheel has two sets of cone wheel structures, the cone surfaces of the two sets of cone wheels are oppositely arranged, the outer end surface of the first cone wheel 56 at the upper side is coaxially connected with a moving shaft 58, the moving shaft 58 is externally and coaxially connected with a first translation plate 59 in a rotating way, the first translation plate 59 is rotatably connected with the moving shaft 58 through a bearing, the front end of the moving shaft 58 extends out of the first translation plate 59 and is axially and slidably matched with a first output shaft 60 which is longitudinally and rotatably connected with the box body 17, the axial sliding fit here can be realized by a key-keyway connection, so that the moving shaft 58 can only move axially relative to the first output shaft 60, but two sets can rotate together, the first output shaft 60 is coaxially connected with the output shaft of the speed adjusting device, that is, the first output shaft 60 is used as the output shaft of the speed adjusting device, the second cone 57 at the upper side is rotatably connected in the box 17, the outer end surface of the second cone 57 at the lower side is coaxially rotatably connected with the second translation plate 61, the second translation plate 61 is connected with the outer end surface of the second cone 57 through a bearing, the first cone 56 at the lower side is rotatably connected in the box 17, and the axial sliding fit also comprises guide rods 62 arranged at the upper and lower sides of the stepless speed changing wheel and rotatably connected in the box 17, the guide rods 62 are four sets, and one stepless speed changing wheel is used in two sets, two groups of guide rods 62 play a role in positioning, and meanwhile, in order to prevent the translation plates from rotating, two sides of the first translation plate 59 and the second translation plate 61 are respectively in threaded fit with the corresponding guide rods 62, the four groups of guide rods 62 are driven by a transmission device arranged in the box body 17 to synchronously rotate, in the process of rotating the four groups of guide rods 62, the translation plates on the corresponding sides can synchronously move, a rotating shaft of the first conical wheel 56 on the lower side is coaxially connected with an input shaft of a rotating speed adjusting device, a metal belt 63 is sleeved between the first stepless speed changing wheel 54 and the second stepless speed changing wheel 55, the metal belt 63 is used for enabling the transmission between the conical wheels to be more reliable, and the transmission device is electrically connected with the second controller;

the transmission device comprises first gears 64 coaxially connected to the guide rod 62, a second gear 65 rotatably connected to the inside of the box body 17 is meshed between two groups of first gears 64 on the same stepless speed change wheel, a third gear 66 is coaxially connected to the second gear 65, a fourth gear 67 rotatably connected to the inside of the box body 17 is meshed between two groups of third gears 66, a driving knob 68 arranged outside the box body 17 is coaxially connected to the outside of a rotating shaft of the fourth gear 67, a pointer is arranged on the driving knob 68, scales matched with the pointer are arranged on the outer side wall of the box body 17, the driving knob 68 is electrically connected with the second controller, the pointer on the driving knob 68 can point to the corresponding scales behind the knob, then the second controller can record the transmission ratio at the position, and record the parameters of the subsequent stroke technology, that is, under the condition that the rotation angle of the input shaft is known, the rotation angle of the output shaft can be obtained through a real-time transmission ratio, so that the scale advance stroke of the driving disc 21 for driving the corresponding needle type is calculated, in the embodiment, when in use, the knob is driven to drive the knob 68 to drive the fourth gear 67 to rotate, the fourth gear 67 drives the third gears 66 at two sides to work, the third gear 66 drives the coaxial second gear 65 to work, the second gear 65 drives the first gears 64 at two sides to work, the rotation of the first gears 64 enables the two groups of guide rods 62 to rotate, so as to drive the first translation plate 59 and the first conical wheel 56 at the upper side to longitudinally reciprocate, drive the second translation plate 61 and the second conical wheel 57 at the lower side to longitudinally reciprocate synchronously, so as to adjust the transmission ratio of the metal belt 63 between the two groups of stepless wheels, thereby achieving the purpose of stepless speed regulation.

Fourth embodiment, on the basis of the first embodiment, the handheld driving device includes a casing 69 connected to the lower side of the casing 17 and having an opening on one side far away from the centers of the two sets of casings 17, a handheld driving sleeve 70 is transversely slidably fitted to an opening end of the casing 69 on one side far away from the centers of the two sets of casings 17, the driving sleeve 70 can only move in the transverse direction along the casing 69, and the position where a user holds the casing is the position of the driving sleeve 70, a first one-way gear 71 on the upper side and a second one-way gear 72 on the lower side are respectively and rotatably connected in the casing 69, the two sets of one-way gears have opposite transmission directions, a double-sided rack 73 is vertically slidably fitted in the driving sleeve 70, the double-sided rack 73 is transversely arranged and disposed between the two sets of one-way gears, a driving bolt 74 is vertically and threadedly connected to the driving sleeve 70, an end of the driving bolt 74 is rotatably connected to the double-sided rack 73, the double-sided rack 73 is engaged with the one-way gear on the corresponding side at the vertical extreme position, that is, the rotation of the driving bolt 74 causes the position of the double-sided rack 73 to change in the vertical direction, and after the upward movement extreme position, the double-sided rack 73 is engaged with the first one-way gear 71, is not engaged with the second one-way gear 72, and after the downward movement extreme position, the double-sided rack 73 is engaged with the second one-way gear 72, but is not engaged with the first one-way gear 71, a transversely arranged return spring 75 is connected between the double-sided rack 73 and the side wall of the housing 69, the return spring 75 plays a role of returning the driving sleeve 70, so that the user can drive the one-way gear on the corresponding side in one way by pressing the driving sleeve 70 all the time, the first one-way gear 71 is engaged with a fifth gear 76 rotatably connected in the housing 69, the second one-way gear 72 is engaged with a sixth gear 77 rotatably connected in the housing 69, the fifth gear 76 and the sixth gear 77 are in transmission connection through a belt, the speed regulator further comprises a seventh gear 78 coaxially connected to the input shaft of the speed regulator, the seventh gear 78 is meshed with the fifth gear 76, and the fifth gear 76, the sixth gear 77 and the seventh gear 78 are used for reversing and power transition;

the double-sided rack 73 is connected with a rack displacement calculating device for calculating the rotation angle and the distance of the meshing drive of the rack and the one-way gear, the rack displacement calculating device is electrically connected with a second controller, the rack displacement calculating device comprises a telescopic conductive contact 79 connected to the double-sided rack 73 and a plurality of groups of resistance coils 80 transversely arranged in the shell 69, the telescopic conductive contact 79 is in contact fit with the resistance coils 80 to form a structure of a slide rheostat, the conductive contact and the plurality of groups of resistance coils 80 form a resistance circuit, the resistance circuit is electrically connected with the second controller, and it should be noted that after the reset spring 75 resets the double-sided rack 73, when the reset spring 75 is in a natural state, the double-sided rack 73 is in a state just meshed with the one-way gear, and meanwhile, the resistance in the resistance circuit is zero, the moving distance of the double-sided rack 73 can be fed back through the change of the resistance value, then the collection and the recording are carried out through the second controller, the number of the rotating angles of the double-sided rack 73 driving the corresponding gear is obtained, the rotating speed ratio of the rotating speed adjusting device is combined, so that the driving disc 21 can be converted to drive the corresponding needle type puncture footage, the use is very convenient, when the double-sided rack is used, the driving bolt 74 is driven, the double-sided rack 73 is screwed to the upward limit position, at the moment, the double-sided rack 73 is meshed with the first one-way gear 71, a user presses the driving sleeves 70 at two sides with force, the double-sided rack 73 is driven to overcome the reset spring 75 to move, the first one-way gear 71 is driven to work, the first one-way gear 71 drives the fifth gear 76 and then drives the seventh gear 78 to work, the power input is improved for the rotating speed adjusting device, and simultaneously the resistance circuit can record the current stroke of the double-sided rack 73, then after the pressing is finished, the reset spring 75 resets the driving sleeve 70, at this time, the first one-way gear 71 is not driven to rotate, the driving sleeve 70 is restored to the initial position, the operation is repeated, the penetration work of advancing at a constant speed is realized, when the needle withdrawing is needed, the double-sided rack 73 is screwed to the downward limit position through the driving bolt 74, at this time, the double-sided rack 73 is meshed with the second one-way gear 72, the user presses the driving sleeve 70 at the two sides with force, the double-sided rack 73 is driven to overcome the reset spring 75 to move, the second one-way gear 72 is driven to work, the second one-way gear 72 drives the sixth gear 77 to drive the fifth gear 76 to work, then the seventh gear 78 is driven to work, the reverse power input is improved for the rotating speed adjusting device, meanwhile, the resistance circuit records the stroke of the double-sided rack 73 at this time, and then the pressing is finished, the reset spring 75 resets the driving sleeve 70, at this time, the second one-way gear 72 is not driven to rotate, the driving sleeve 70 is restored to the initial position, and the needle withdrawing operation is completed in a repeated way.

When the invention is used, firstly, the focus position of a patient is roughly judged, then after the puncture position of the patient is determined, two groups of rectangular blocks 28 at the left side and the right side are moved to a designated position, then, a first positioning pin 32 is used for locking, then, an arc-shaped clamping block 50 is installed on a slide block 30, according to the body type of the patient, two groups of second bidirectional screw rods 31 are adjusted to enable the slide block 30 at the same side to move towards the same direction or the opposite direction, the clamping effect is realized, the patient is prevented from moving in the puncture process, after clamping is completed, a frame body 3 is installed on a guide rail 2 at one side, then, an ultrasonic probe 15 is used for carrying out radiography observation on the focus, a needle feeding route is determined, after determination is completed, the position of the ultrasonic probe 15 is determined, the position of a rectangular cylinder 9 is moved towards the position of the ultrasonic probe 15 through a transverse positioning pin 4, a longitudinal positioning pin 10 and a vertical positioning pin 7, after the probe angle is locked, the electric telescopic rod 46 can be controlled to move in a reciprocating mode through the first controller in the process of puncturing, the supporting rod 12 can move along the direction of the strip hole 11, and the ultrasonic probe 15 can have a reciprocating action in an inclined downward mode, the work of ultrasonic radiography is more visual and inclined;

when the puncture tube placement is carried out by a one-step method, namely a direct puncture method, the distance between the two groups of box bodies 17 is adjusted by the first bidirectional screw rod 20, so that the distance between the telescopic blocks 24 on the driving disks 21 is matched with the diameter of the drainage tube, then the contact rods 26 on the two groups of box bodies 17 are supported at the position of a patient needing puncture, then the assembled drainage tube is inserted between the two groups of driving disks 21 along the puncture position, the head of the drainage tube is propped against the skin surface of the patient, then the input shaft of the rotating speed adjusting device is driven by the handheld driving device to carry out forward work, the output shaft of the rotating speed adjusting device drives the driving disks 21 to carry out rotary work, the two groups of driving disks 21 are matched to puncture the drainage tube to the focus position of the patient at uniform speed, the puncture speed can also be controlled by adjusting the rotating speed adjusting device, and tissues and blood vessels are prevented from being damaged by puncture and brute force puncture, meanwhile, the handheld driving device can record and display the puncture distance, so that subsequent filing and recording are facilitated, and after the puncture is finished, the inner sleeve and the inner core are drawn out, and the drainage tube is locked on the skin of a patient;

when the two-step puncture tube placement is carried out, namely, when the puncture tube placement is carried out by a guide wire, the distance between the two groups of box bodies 17 is adjusted by the first bidirectional screw rod 20, so that the distance between the telescopic blocks 24 on the driving disks 21 is matched with the diameter of the puncture needle, then the contact rods 26 on the two groups of box bodies 17 are supported at the position of a patient needing puncture, then the assembled puncture needle is inserted between the two groups of driving disks 21 along the puncture position, the head of the puncture needle is propped against the skin surface of the patient, then the input shaft of the rotating speed adjusting device is driven by the handheld driving device to carry out forward work, the output shaft of the rotating speed adjusting device drives the driving disks 21 to rotate together, the two groups of driving disks 21 are matched to puncture the puncture needle to the focus position of the patient at constant speed, the puncture speed can also be controlled by adjusting the rotating speed adjusting device to prevent tissues and blood vessels from being punctured by over and violently, meanwhile, the handheld driving device can record and display the puncture distance, then the needle core of the puncture needle is taken out, one hand holds the device, the other hand inserts a guide wire into the puncture needle, after the guide wire is inserted, the guide wire is held, the handheld driving device drives the input shaft of the rotating speed adjusting device to reversely work, the puncture needle is taken out of the body of the patient, then the expansion tube is inserted into the focus of the human body along the guide wire according to the steps, then the handheld driving device drives the input shaft of the rotating speed adjusting device to reversely work, the expansion tube is taken out, then the combination of the drainage tube and the inner sleeve tube is punctured along the guide wire according to the mode, the drainage tube is punctured by the same stroke according to the data recorded by the handheld driving device, the over-puncture is prevented, after the focus is reached, the guide wire is taken out, and then the inner sleeve tube is taken out, the whole device can be taken down by opening the first bidirectional screw 20 to adjust the distance between the two groups of boxes 17, the speed of puncture can be adjusted at any time through the rotating speed adjusting device in the process of puncture, the puncture is finished, the inner sleeve and the inner core are drawn out, and the drainage tube is locked on the skin of a patient.

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

Claims

1. An ultrasonic guide puncture catheterization drainage device comprises a bed body (1) and is characterized in that a body clamping device is connected to a bed plate of the bed body (1), the body clamping device is used for clamping and fixing the body of a patient, transverse guide rails (2) are arranged on the front side and the rear side of the bed body (1), and an ultrasonic guide device is transversely arranged on the guide rails (2);

the ultrasonic guide device comprises a frame body (3) which is connected on a guide rail (2) in a transverse sliding manner, wherein a transverse positioning pin (4) matched with the guide rail (2) is connected to the frame body (3) in a longitudinal threaded manner, a vertical sleeve (5) is installed at the upper end of the frame body (3), a vertical telescopic rod (6) is arranged in the vertical sleeve (5) in a vertical sliding manner, a vertical positioning pin (7) matched with the vertical telescopic rod (6) is connected to the vertical sleeve (5) in a longitudinal threaded manner, a rectangular hole (8) is formed in the upper end of the vertical telescopic rod (6), a rectangular cylinder (9) is arranged in the rectangular hole (8) in a longitudinal sliding manner, a longitudinal positioning pin (10) matched with the rectangular cylinder (9) is connected to the upper end of the vertical telescopic rod (6) in a vertical threaded manner, and a long inclined hole (11) is formed in the left side wall and the right side wall of the rectangular cylinder (9), an L-shaped support rod (12) arranged in the rectangular cylinder (9) is arranged between the two groups of strip holes (11) in a sliding fit mode, one end of the support rod (12) drives the support rod (12) to move along the direction of the strip holes (11) through a reciprocating mechanism arranged at the upper end of the rectangular cylinder (9), the other end of the support rod (12) is in ball hinge connection with a connecting rod (13), an electromagnet (14) and an armature which are mutually matched for use are arranged at the position where the connecting rod (13) is in ball hinge connection with the support rod (12), the other end of the connecting rod (13) is detachably provided with an ultrasonic probe (15), and an ultrasonic display screen (16) is arranged on the frame body (3);

the needle inserting and withdrawing device comprises two groups of symmetrically arranged box bodies (17), a transverse positioning rod (18) is installed on one group of box bodies (17), a positioning hole (19) which is in transverse sliding fit with the positioning rod is installed on the other group of box bodies (17), a first transversely arranged bidirectional screw rod (20) is in threaded connection between the two groups of box bodies (17), the screwing directions of partial threads which are in threaded fit with the box bodies (17) on two sides of the first bidirectional screw rod (20) are opposite, a rotating speed adjusting device is arranged in each box body (17) and used for adjusting the transmission ratio of an output shaft and an input shaft, an output shaft of the rotating speed adjusting device is coaxially connected with a driving disc (21) which is arranged outside the box body (17), the outer edge of the driving disc (21) is provided with an annular placing groove (22), and a plurality of groups of rectangular grooves (23) are uniformly and circumferentially connected in the placing groove (22), the end part of the rectangular groove (23) is matched with a telescopic block (24) along the radial direction of the driving disc (21) in a sliding way and is not separated, a first spring (25) is arranged between the telescopic block (24) and the inner bottom surface of the rectangular groove (23), the end parts of the telescopic blocks (24) are arranged in a pointed shape, the telescopic blocks (24) on the two groups of driving discs (21) are matched to realize the clamping and footage function on the puncture needle, the drainage tube and the expansion tube, the input shaft of the rotating speed adjusting device is connected with the handheld driving device, so that the handheld driving device can drive the input shaft of the rotating speed adjusting device to rotate forwards and backwards, simultaneously, the rotating angle and the driving rotating distance of the input shaft are recorded, one end of the box body (17) is provided with an arc-shaped contact rod (26), the contact rod (26) is in contact with the skin of a patient to realize the supporting effect on the structure of the box body (17);

electromagnet (14), ultrasonic probe (15), ultrasonic display screen (16), reciprocating mechanism and the first controller electric connection of installing on support body (3), rotary speed adjusting device, the drive arrangement of hand-held type and the second controller electric connection of installation in box (17).

2. The ultrasound-guided puncture catheter drainage device according to claim 1, wherein the body holding device comprises two sets of rectangular windows (27) formed on the bed plate of the bed body (1), two sets of rectangular blocks (28) are transversely and slidably fitted in the rectangular windows (27), a sliding chute (29) with a T-shaped section is formed at the upper end of each rectangular block (28), a sliding block (30) with a T-shaped section is slidably fitted in the sliding chute (29), a second bidirectional lead screw (31) arranged in the sliding chute (29) on the corresponding side is longitudinally and rotatably connected between the two sets of rectangular blocks (28) on the left side and the right side, the second bidirectional lead screw (31) is respectively in threaded fit with the sliding blocks (30) in the two sets of sliding chutes (29) on the left side and the right side, and the direction of threaded fit of the same second bidirectional lead screw (31) with the two sets of sliding blocks (30) on the same side is opposite, vertical threaded connection in one side of one of them a set of rectangle piece (28) of two sets of rectangle pieces (28) of connecting on same second bidirectional screw (31) has with bed board lower extreme complex first locating pin (32), slider (30) upper end is detachable be connected with arc pinch-off blades (33), arc pinch-off blades (33) equipartition is connected with radial multiunit drum (34) that sets up on the side towards the arc centre of a circle, radial sliding fit has first telescopic link (35) in drum (34), be connected with second spring (36) between first telescopic link (35) and drum (34) the bottom surface, first telescopic link (35) are connected with curved rubber fixture block (37) towards the one end at arc pinch-off blades (33) center.

3. The ultrasonic guided puncture catheterization drainage device according to claim 2, characterized in that the upper end of the slider (30) is provided with a vertically arranged circular groove (38), the lower end of the arc-shaped clamping plate (33) is connected with a cylindrical rod (39) which is vertically matched with the circular groove (38) in a sliding manner, the side wall of the circular groove (38) is provided with a longitudinally arranged rectangular through groove (40) with an opening at the upper end, the side wall of the circular groove (38) is provided with a transversely arranged rectangular blocking groove (41) without an opening at the upper end, the through groove (40) is communicated with the blocking groove (41) through the arc-shaped groove (42), the lower end of the cylindrical rod (39) is connected with a rectangular rod (43) which is vertically matched with the through groove (40) and the blocking groove (41) in a sliding manner, the inner bottom surface of the circular groove (38) is connected with a third spring (44), the upper end of the third spring (44) is connected with a circular plate (45) which is vertically matched with the circular groove (38) in a sliding manner, the circular plate (45) is in contact fit with the lower bottom surface of the cylindrical rod (39), so that a detachable arc-shaped clamping plate (33) structure is formed.

4. The ultrasonic guided puncture catheter drainage device according to claim 1, wherein the reciprocating mechanism comprises an electric telescopic rod (46) arranged at the upper end of the rectangular cylinder (9), an L-shaped driving rod (47) is arranged at the end of the electric telescopic rod (46), the lower end of the driving rod (47) is vertically matched with one end of the supporting rod (12) in a sliding manner, and the electric telescopic rod (46) is electrically connected with the first controller.

5. The ultrasonic guided puncture catheter drainage device according to claim 1, wherein the ultrasonic probe (15) is provided with a rectangular matching groove (48) in sliding fit with the connecting rod (13), two side walls of the matching groove (48) are provided with rectangular accommodating grooves (49), the accommodating grooves (49) are provided with clamping blocks (50) with trapezoidal cross sections in sliding fit, the inclined slope of the end parts of the clamping blocks (50) is arranged towards one end of the connecting rod (13), a fourth spring (51) arranged in the accommodating grooves (49) is connected between one end of the clamping blocks (50) and the inner bottom surface of the accommodating grooves (49), the front end of each clamping block (50) is connected with a driving plate (52) extending out of the accommodating groove (49), and two side walls of the connecting rod (13) matched with the matching grooves (48) are provided with clamping holes (53) matched with the clamping blocks (50), thereby forming a detachable ultrasonic probe (15) structure.

6. The ultrasound-guided puncture catheter drainage device according to claim 1, wherein the rotation speed adjusting device comprises a first stepless speed change wheel (54) and a second stepless speed change wheel (55) which are arranged in the box body (17) along the up-down direction and are matched with each other, the stepless speed change wheels comprise a first conical wheel (56) and a second conical wheel (57) which are arranged oppositely, a moving shaft (58) is coaxially connected with the outer end surface of the first conical wheel (56) at the upper side, a first translation plate (59) is coaxially and rotatably connected with the outer side of the moving shaft (58), the front end of the moving shaft (58) extends out of the first translation plate (59) and is axially and slidably matched with a first output shaft (60) which is longitudinally and rotatably connected on the box body (17), the first output shaft (60) is coaxially connected with the output shaft of the rotation speed adjusting device, the second conical wheel (57) at the upper side is rotatably connected in the box body (17), the outer end face of the second cone-shaped wheel (57) on the lower side is coaxially and rotatably connected with a second translation plate (61), the first cone-shaped wheel (56) on the lower side is rotatably connected in the box body (17), the automatic transmission device further comprises guide rods (62) which are arranged on the upper side and the lower side of the stepless speed change wheel and rotatably connected in the box body (17), two sides of the first translation plate (59) and two sides of the second translation plate (61) are respectively in threaded fit with the corresponding guide rods (62), the four groups of guide rods (62) are driven by a transmission device arranged in the box body (17) to synchronously rotate, a rotating shaft of the first cone-shaped wheel (56) on the lower side is coaxially connected with an input shaft of a rotating speed adjusting device, a metal belt (63) is sleeved between the first stepless speed change wheel (54) and the second stepless speed change wheel (55), and the transmission device is electrically connected with a second controller.

7. The ultrasonically guided puncture cannula drainage device of claim 6, the transmission device comprises first gears (64) coaxially connected to the guide rod (62), a second gear (65) rotatably connected in the box body (17) is meshed between two groups of first gears (64) on the same stepless speed change wheel, the second gear (65) is coaxially connected with third gears (66), a fourth gear (67) which is rotationally connected in the box body (17) is meshed between the two groups of third gears (66), a driving knob (68) arranged outside the box body (17) is coaxially connected outside a rotating shaft of the fourth gear (67), the display cabinet is characterized in that a pointer is arranged on the drive knob (68), scales matched with the pointer are arranged on the outer side wall of the cabinet body (17), and the drive knob (68) is electrically connected with the second controller.

8. The ultrasound-guided puncture catheter drainage device according to claim 1, wherein the hand-held driving device comprises a housing (69) connected to the lower side of the box body (17) and having an open side far away from the center of the two box bodies (17), a hand-held driving sleeve (70) is transversely slidably fitted to the open end of the housing (69) on the side far away from the center of the two box bodies (17), a first one-way gear (71) on the upper side and a second one-way gear (72) on the lower side are respectively rotatably connected in the housing (69), the two one-way gears have opposite transmission directions, a double-sided rack (73) is vertically slidably fitted in the driving sleeve (70), the double-sided rack (73) is transversely arranged and disposed between the two one-way gears, a driving bolt (74) is vertically screwed to the driving sleeve (70), and the end of the driving bolt (74) is rotatably connected to the double-sided rack (73), the double-faced rack (73) is respectively meshed with the one-way gears on the corresponding sides at the vertical extreme positions, a transversely arranged return spring (75) is connected between the double-faced rack (73) and the side wall of the shell (69), the first one-way gear (71) is meshed with a fifth gear (76) which is rotatably connected in the shell (69), the second one-way gear (72) is meshed with a sixth gear (77) which is rotatably connected in the shell (69), the fifth gear (76) and the sixth gear (77) are in transmission connection through a belt, the double-faced gear speed adjusting device further comprises a seventh gear (78) which is coaxially connected to an input shaft of the rotating speed adjusting device, and the seventh gear (78) is meshed with the fifth gear (76);

and the double-sided rack (73) is connected with a rack displacement calculating device for calculating the rotation angle and the distance of the meshing drive of the rack and the one-way gear, and the rack displacement calculating device is electrically connected with the second controller.

9. The sonotrode puncture catheter drainage device of claim 8, wherein said rack displacement computing means comprises a telescopic conductive contact (79) connected to the double-sided rack (73), and further comprises a plurality of sets of resistive coils (80) transversely disposed in the housing (69), the telescopic conductive contact (79) and the resistive coils (80) are in contact and matched to form a structure of a slide rheostat, the conductive contact and the plurality of sets of resistive coils (80) form a resistive circuit, and the resistive circuit is electrically connected to the second controller.