CN112472248A - Interventional puncture device - Google Patents
Interventional puncture device Download PDFInfo
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- CN112472248A CN112472248A CN202011471223.8A CN202011471223A CN112472248A CN 112472248 A CN112472248 A CN 112472248A CN 202011471223 A CN202011471223 A CN 202011471223A CN 112472248 A CN112472248 A CN 112472248A
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- 238000001125 extrusion Methods 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000008733 trauma Effects 0.000 abstract description 3
- 210000004204 blood vessel Anatomy 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses an interventional puncture outfit, which comprises a fixed cylinder and a movable cylinder, wherein one end of an adjusting rod is fixedly connected with a rotating gear, the outer wall of a rotating ring groove is fixedly connected with gear teeth, one end of an extrusion block extending into an open groove is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a fixed rod inserted in a way of being matched with the fixed groove, a threaded lead screw movably extends into the threaded cylinder, the outer side of the threaded cylinder is fixedly connected with rotating teeth, the rotating teeth are meshed with a toothed plate, and the toothed plate is in extrusion fit with the adjusting rod. The puncture outfit needs to be inserted again after being pulled out, which causes unnecessary trauma and pain to the patient.
Description
Technical Field
The invention relates to the technical field of interventional therapy equipment, in particular to an interventional puncture outfit.
Background
When a doctor intervenes in treatment, a puncture outfit is generally used for directly puncturing a blood vessel of a patient, then a guide wire is sent into the blood vessel through the puncture outfit, and whether the guide wire can successfully reach a focus or not is closely related to the puncturing angle of the puncture outfit and the stability of the puncture outfit.
Among the prior art, a cardiovascular intervention operation piercing depth of application number "202010427233.5", including base, flexible bracing piece, frame, swivel mount, bracing piece and puncture ware, adjust the puncture height through flexible bracing piece to adjust the puncture angle of puncture ware through the swivel mount, make the puncture ware can stop steadily at the puncture position.
However, the prior art still has major defects, such as: 1, a certain deviation is generated in the process that the puncture outfit with a well-adjusted angle is inserted into a human body, the guide wire cannot smoothly reach a focus, a doctor needs to finely adjust the movement process of the guide wire manually, and the operation difficulty is increased; 2, if the puncture angle of the puncture outfit is too large with the actual deviation, so that the guide wire can not reach the focus, the puncture outfit needs to be integrally pulled out, and then a new round of puncture is carried out, thereby increasing the pain of the patient and the operation risk.
Disclosure of Invention
The present invention is directed to a puncture device for interventional therapy, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an interventional punch comprising:
the fixing cylinder is internally provided with a first yarn guide hole, a through groove is formed in the outer side of the first yarn guide hole, and the outer side of the fixing cylinder is fixedly connected with a fixing frame;
the movable cylinder is provided with a second yarn guide hole communicated with the first yarn guide hole, one side of the second yarn guide hole is connected with an outlet groove, the end face, close to the fixed cylinder, of the movable cylinder is provided with a limiting ring groove, one side, far away from the fixed cylinder, of the limiting ring groove is connected with a stretching ring groove, the end face, close to the movable cylinder, of the fixed cylinder is fixedly connected with a connecting block, and the connecting block movably penetrates through the limiting ring groove and stretches into the stretching ring groove;
the end face, close to the fixed cylinder, of the movable cylinder is provided with a rotating ring groove communicated with the through groove, the stretching ring groove is located inside the rotating ring groove, the rotating ring groove is communicated with the stretching ring groove through a connecting ring groove, the outer wall of the stretching ring groove is connected with a plurality of fixing grooves, one side, far away from the through groove, of the rotating ring groove is connected with an adjusting groove, and the adjusting groove is communicated with the wire guide hole through a communicating groove;
one end of the adjusting rod is fixedly connected with a rotating gear, one end of the adjusting rod with the rotating gear sequentially and movably penetrates through the through groove and the rotating ring groove and extends into the adjusting groove, and the outer wall of the rotating ring groove is fixedly connected with gear teeth matched with the rotating gear;
the fixed block is movably arranged in the stretching-in annular groove and fixedly connected with the connecting block, an open groove is formed in one side, close to the connecting annular groove, of the fixed block, an elastic block is fixedly connected to the inner wall of the open groove, the elastic block is fixedly connected with an extrusion block, the extrusion block sequentially and movably penetrates through the stretching-in annular groove, the connecting annular groove and the rotating annular groove, and the extrusion block is matched with the rotating gear for extrusion;
both sides of one end, extending into the open slot, of the extrusion block are fixedly connected with connecting rods, and the connecting rods are fixedly connected with fixing rods inserted in a matching manner with the fixing slots;
the adjusting baffle movably penetrates through the second yarn guide hole and the outlet groove, a rotating wheel is movably connected between the adjusting baffle and the inner wall of the second yarn guide hole, a pushing block for pushing the adjusting baffle is movably arranged on one side of the adjusting baffle close to the bottom wall of the second yarn guide hole, and a threaded screw rod is fixedly connected to one side of the pushing block close to the adjusting groove;
the thread cylinder is movably arranged in the adjusting groove, the thread lead screw movably extends into the thread cylinder, rotating teeth are fixedly connected to the outer side of the thread cylinder, the rotating teeth are meshed with toothed plates, and the toothed plates are in extrusion fit with the adjusting rod; and
the connecting cylinder, the connecting cylinder is fixed to be set up on the adjustment tank diapire, and the pinion rack activity stretches into the connecting cylinder, fixedly connected with elastic extrusion pole between pinion rack and connecting cylinder, pinion rack one side fixedly connected with limit pawl, the fixed limit pawl subassembly that a plurality of restriction pinion racks left the connecting cylinder that is provided with of connecting cylinder inside wall.
Preferably, the limiting pawl assembly comprises a first pawl and a first limiting column, the first pawl of the limiting pawl assembly is located between the first limiting column and the bottom wall of the connecting cylinder, a first roller is movably connected between the first pawl and the side wall of the connecting cylinder, and an elastic pull rope is fixedly connected between the first pawl and the side wall of the connecting cylinder.
Preferably, the adjusting rod is close to the fixed pawl of one end fixedly connected with of running gear, lead to the inslot activity be provided with fixed pawl complex pawl two, pawl two is close to the fixed spacing post two that is provided with in one side of rotating the annular, pawl two and lead to swing joint between the inslot wall have gyro wheel two, and pawl two and lead to fixedly connected with elasticity stay cord two between the inslot.
Preferably, the two diapalls of guide wire hole are connected with the spacing groove, and promote the piece activity and stretch into the spacing groove, promote the one end fixedly connected with stopper that the piece stretched into the spacing groove.
Preferably, one end of the movable cylinder, which is far away from the fixed cylinder, is fixedly connected with a puncturing head.
Compared with the prior art, the invention has the beneficial effects that:
the device adjusts the angle of an adjusting baffle through the matching of structures such as a pushing block, an adjusting rod, a toothed plate, a threaded cylinder and a threaded lead screw, so that a guide wire can accurately reach a focus in a short path, the difficulty of manual adjustment of the guide wire by medical staff is reduced, the difficulty and the operation time of an operation are reduced, the pain of a patient is relieved, and meanwhile, the toothed plate cannot reset under the elasticity of an elastic extrusion rod through the matching of a limiting pawl and a limiting pawl component, so that the extending angle of the guide wire is fixed;
2, this device is through running gear, the teeth of a cogwheel, the cooperation of fixed block and dead lever isotructure, when through running gear and the contact of the teeth of a cogwheel, the dead lever leaves the fixed slot, make a movable section of thick bamboo break away from fixedly with a fixed section of thick bamboo, the accessible rotates the regulation pole and makes a movable section of thick bamboo rotatory, adjust opening groove direction, make the different direction of seal wire accessible stretch out, avoid the puncture ware to insert human angle mistake and make the seal wire can't reach the focus position, need extract the puncture ware after inserting again and bring unnecessary wound and misery for patient.
According to the intervention puncture outfit, the angle of the adjusting baffle is adjusted through the matching of structures such as the pushing block, the threaded cylinder and the threaded lead screw, so that the guide wire can accurately reach a focus position in a short path, the extending angle of the guide wire matched with the limiting pawl and the limiting pawl component is fixed, and the guide wire can extend in different directions through the matching of structures such as the rotating gear, the gear teeth, the fixing block and the fixing rod, so that the condition that the guide wire cannot reach the focus position due to the fact that the puncture outfit is inserted into a human body at a wrong angle is avoided, unnecessary trauma and pain are brought to a patient by inserting the puncture outfit again after the puncture outfit is pulled out, the use is convenient, and the.
Drawings
FIG. 1 is a perspective view of the interventional puncture instrument of the present invention;
FIG. 2 is a schematic structural view of a portion of the movable cylinder shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 4 is a schematic view of the adjusting stop of the present invention rotating to adjust the guide wire extension angle;
FIG. 5 is an enlarged view of the structure of area A in FIG. 4;
FIG. 6 is a schematic view of the present invention showing the engagement of the limit pawl with the limit pawl assembly;
FIG. 7 is a schematic view of the rotation gear driving the movable barrel to rotate according to the present invention;
FIG. 8 is a schematic cross-sectional view of section B of FIG. 7;
FIG. 9 is an enlarged view of the structure of the area C in FIG. 7;
FIG. 10 is a schematic view of the adjustment lever of the present invention extending into the channel and secured thereto;
fig. 11 is an enlarged view of the structure of region D in fig. 10.
In the figure: 1 fixed cylinder, 101 guide wire hole I, 102 through groove, 2 movable cylinder, 201 guide wire hole II, 202 outlet groove, 203 rotating ring groove, 204 adjusting groove, 205 communicating groove, 206 connecting ring groove, 207 extending into ring groove, 208 limiting ring groove, 209 fixing groove, 210 limiting groove, 3 adjusting rod, 31 rotating gear, 32 fixing pawl, 4 gear teeth, 5 fixing block, 51 opening groove, 6 connecting block, 7 elastic block, 8 extruding block, 9 connecting rod, the device comprises a fixing rod 10, a rotating wheel 11, an adjusting baffle 12, a pushing block 13, a threaded screw rod 14, a threaded barrel 15, a 151 rotating tooth, a connecting barrel 16, an elastic extrusion rod 17, a toothed plate 18, a limit pawl 181, a limit pawl assembly 19, a pawl 191, a first limit column 192, a first 193 roller, a first 194 elastic pull rope, a second 20 pawl, a second 21 limit column, a second 22 roller, a second 23 elastic pull rope, a 24 limit block, a 25 puncturing head, a 26 fixing frame and a 27 guide wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution:
an interventional punch comprising:
the fixing device comprises a fixing barrel 1, wherein the fixing barrel 1 penetrates through the skin of a human body and enters the inside of a blood vessel, a first guide wire hole 101 is formed in the fixing barrel 1, a through groove 102 is formed in the fixing barrel 1 on the outer side of the first guide wire hole 101, a fixing frame 26 is fixedly connected to the outer side of the fixing barrel 1, the fixing frame 26 is fixed to the outside of a patient, and the fixing barrel 1 is kept fixed;
the movable cylinder 2 is inserted into a human blood vessel, the movable cylinder 2 is provided with a second yarn guide hole 201 communicated with the yarn guide hole 101, one side of the second yarn guide hole 201 is connected with an outlet groove 202, a yarn guide 27 enters the human blood vessel through the first yarn guide hole 101, the second yarn guide hole 201 and the outlet groove 202, the end surface of the movable cylinder 2 close to the fixed cylinder 1 is provided with a limit ring groove 208, one side of the limit ring groove 208 far away from the fixed cylinder 1 is connected with a stretching ring groove 207, the end surface of the fixed cylinder 1 close to the movable cylinder 2 is fixedly connected with a connecting block 6, the connecting block 6 movably penetrates through the limit ring groove 208 and stretches into the stretching ring groove 207, the fixed cylinder 1 is movably connected with the movable cylinder 2 through the connecting block 6 and a fixed block 5, and the movable cylinder;
the end face, close to the fixed cylinder 1, of the movable cylinder 2 is provided with a rotating ring groove 203 communicated with the through groove 102, the stretching ring groove 207 is located inside the rotating ring groove 203, the rotating ring groove 203 is communicated with the stretching ring groove 207 through a connecting ring groove 206, the outer wall of the stretching ring groove 207 is connected with a plurality of fixing grooves 209, one side, far away from the through groove 102, of the rotating ring groove 203 is connected with an adjusting groove 204, and the adjusting groove 204 is communicated with the wire guide hole II 201 through a communicating groove 205;
the puncture outfit comprises an adjusting rod 3, wherein one end of the adjusting rod 3 is fixedly connected with a rotating gear 31, one end of the adjusting rod 3 with the rotating gear 31 sequentially and movably penetrates through a through groove 102 and a rotating ring groove 203 and extends into an adjusting groove 204, the outer wall of the rotating ring groove 203 is fixedly connected with gear teeth 4 matched with the rotating gear 31, the adjusting rod 3 rotates to drive the gear teeth 4 to rotate through the rotating gear 31, so that a movable cylinder 2 rotates, the direction of an opening groove 202 is adjusted, the guide wire 27 can extend out in different directions, the phenomenon that the guide wire 27 cannot reach a focus position due to the fact that the puncture outfit is inserted into a human body in an incorrect angle is avoided, and unnecessary trauma and pain are;
the fixing block 5 is movably arranged in the extending ring groove 207, the fixing block 5 is fixedly connected with the connecting block 6, an open groove 51 is formed in one side, close to the connecting ring groove 206, of the fixing block 5, an elastic block 7 is fixedly connected to the inner wall of the open groove 51, an extrusion block 8 is fixedly connected to the elastic block 7, the extrusion block 8 sequentially and movably penetrates through the extending ring groove 207, the connecting ring groove 206 and the rotating ring groove 203, the extrusion block 8 is matched with the rotating gear 31 to extrude the extrusion block 8, and when the rotating gear 31 extends into the rotating ring groove 203, the rotating gear 31 extrudes the extrusion block 8 to enable the extrusion block 8 to move towards the inner wall of the open groove 51;
the two sides of one end, extending into the open slot 51, of the extrusion block 8 are fixedly connected with connecting rods 9, the connecting rods 9 are fixedly connected with fixing rods 10 which are inserted in a matched mode with the fixed slots 209, the fixing rods 10 are inserted into the fixed slots 209, so that the movable barrel 2 cannot rotate freely, the extending direction of the guide wire 27 is fixed, when the rotating gear teeth 31 extend into the rotating ring slot 203, the extrusion block 8 drives the fixing rods 10 to leave the fixed slots 209 through the connecting rods 9, the fixed barrel 1 and the movable barrel 2 are separated from being fixed, the movable barrel 2 rotates along with the rotation of the adjusting rods 3, and the extending direction of the guide wire 27 is adjusted;
when the guide wire 27 moves to the position of the adjusting baffle 12, the guide wire 27 is attached to the adjusting baffle 12 and extends out through the outlet groove 202, the angle of the adjusting baffle 12 controls the extending angle of the guide wire 27, the adjusting baffle 12 movably penetrates through the guide wire hole II 201 and the outlet groove 202, a rotating wheel 11 is movably connected between the adjusting baffle 12 and the inner wall of the guide wire hole II 201, a pushing block 13 for pushing the adjusting baffle 12 is movably arranged on one side of the adjusting baffle 12 close to the bottom wall of the guide wire hole II 201, the pushing block 13 moves to adjust the angle of the adjusting baffle 12, and a threaded screw rod 14 is fixedly connected to one side of the pushing block 13 close to the adjusting groove 204;
the thread cylinder 15, the thread cylinder 15 is movably arranged in the adjusting groove 204, the thread screw 14 movably extends into the thread cylinder 15, the thread screw cylinder 15 rotates to drive the thread screw 14 to extend out of the thread screw cylinder 15, the push block 13 moves towards the direction far away from the thread screw cylinder 15, the angle of the adjusting baffle 12 is adjusted by the movement of the push block 13, the extending angle of the guide wire 27 is adjusted, the guide wire 27 can easily and accurately reach a focus position in a short path by adjusting the extending angle of the guide wire 27, the difficulty of manual adjustment of the guide wire 27 by medical staff is reduced, the difficulty and the operation time of an operation are reduced, the pain of a patient is reduced, the rotating teeth 151 are fixedly connected to the outer side of the thread cylinder 15, the toothed plate 18 is meshed with the rotating teeth 151, the toothed plate 18 is in extrusion fit with the adjusting rod 3, the adjusting rod 3 extrudes the toothed plate 18 towards the direction close to the toothed plate 18, the toothed plate 18 moves to drive the thread cylinder 15, so that the threaded screw 14 extends and the extension angle of the guide wire 27 is adjusted; and
connecting cylinder 16, connecting cylinder 16 is fixed to be set up on adjustment tank 204 diapire, and pinion rack 18 activity stretches into connecting cylinder 16, fixedly connected with elastic extrusion pole 17 between pinion rack 18 and connecting cylinder 16, pinion rack 18 one side fixedly connected with limit pawl 181, connecting cylinder 16 inside wall is fixed to be provided with a plurality of restriction pinion rack 18 and leaves the limit pawl subassembly 19 of connecting cylinder 16, when adjusting pole 3 and promoting pinion rack 18 and move to a certain position, the angle of stretching out of seal wire 27 satisfies the demands, adjust pole 3 and leave pinion rack 18, the limit pawl 181 and the cooperation of limit pawl subassembly 19 of pinion rack 18, make pinion rack 18 can't reset under elastic extrusion pole 17's elasticity, thereby make the angle of stretching out of seal wire 27 fixed.
Specifically, the limiting pawl assembly 19 comprises a first pawl 191 and a first limiting column 192, the first pawl 191 of the same limiting pawl assembly 19 is located between the first limiting column 192 and the bottom wall of the connecting cylinder 16, the first limiting column 192 limits the first pawl 191 to overturn towards the opening direction of the connecting cylinder 16, so that the limiting pawl 181 cannot move towards the opening direction of the connecting cylinder 16 through the first pawl 191, the toothed plate 18 cannot reset under the elastic force of the elastic extrusion rod 17, a first roller 193 is movably connected between the first pawl 191 and the side wall of the connecting cylinder 16, and a first elastic pull rope 194 is fixedly connected between the first pawl 191 and the side wall of the connecting cylinder 16.
Specifically, adjust the pole 3 and be close to the fixed pawl 32 of one end fixedly connected with of running gear 31, the activity is provided with two 20 of pawl with fixed pawl 32 complex in the logical groove 102, two 20 of pawl is close to the fixed spacing post two 21 that is provided with in one side of rotating ring groove 203, after the angle of extension and the direction of extension of seal wire 27 are adjusted, the one end that will adjust the pole 3 and have running gear 31 stimulates to logical groove 102 in, make cooperation between two 20 of pawl 32 and pawl, thereby make adjust the pole 3 and stretch into once more in rotating ring groove 203, make and adjust pole 3 to stop in logical groove 102, avoid adjusting the easy problem of losing after the pole 3 uses the completion, swing joint has two 22 of gyro wheel between two 20 of pawl and the logical groove 102 inner wall, and two 20 of pawl and logical groove 102 fixed connection stay cord elasticity is.
Specifically, the second 201 bottom wall of the yarn guide hole is connected with a limiting groove 210, and the activity of the pushing block 13 stretches into the limiting groove 210, the one end fixedly connected with limiting block 24 of the pushing block 13 stretching into the limiting groove 210 is limited by the limiting block 24 and the limiting groove 210, the moving direction and the path of the pushing block 13 are limited, so that the pushing block 13 can only push the adjusting baffle 12 along the fixed path, and the running stability of the device is ensured.
Specifically, one end of the movable barrel 2, which is far away from the fixed barrel 1, is fixedly connected with a puncturing head 25, and the puncturing head 25 enables the puncture outfit to puncture the skin on the surface of a human body and enter the blood vessel more easily.
The working principle is as follows: firstly, adjusting the extension angle of the guide wire 27, moving the adjusting rod 3 to the direction close to the toothed plate 18 to extrude the toothed plate 18, moving the toothed plate 18 to drive the threaded cylinder 15 to rotate through the rotating teeth 151, rotating the threaded cylinder 15 to drive the threaded lead screw 14 to extend, so that the pushing block 13 moves to the direction far away from the threaded cylinder 15, moving the pushing block 13 to adjust the angle of the adjusting baffle 12, and thus adjusting the extension angle of the guide wire 27, and if the extension direction of the guide wire 27 is accurate, completing the adjustment;
if the extension direction of the guide wire 27 is wrong, the adjusting rod 3 is pulled to enable the rotating gear 31 to enter the rotating ring groove 203, the rotating gear 31 extrudes the extrusion block 8, the extrusion block 8 moves towards the inner wall close to the open groove 51, the extrusion block 8 drives the fixing rod 10 to leave the fixing groove 209 through the connecting rod 9, the fixed cylinder 1 is separated from the movable cylinder 2 and fixed, the adjusting rod 3 rotates to drive the gear 4 to rotate through the rotating gear 31, the movable cylinder 2 rotates, the direction of the open groove 202 is adjusted, and the guide wire 27 can extend in different directions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An interventional puncture device, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the fixing device comprises a fixing barrel (1), wherein a first wire guide hole (101) is formed in the fixing barrel (1), a through groove (102) is formed in the fixing barrel (1) on the outer side of the first wire guide hole (101), and a fixing frame (26) is fixedly connected to the outer side of the fixing barrel (1);
the movable cylinder (2), the movable cylinder (2) is provided with a second yarn guide hole (201) communicated with the first yarn guide hole (101), one side of the second yarn guide hole (201) is connected with an outlet groove (202), a limiting ring groove (208) is formed in the end face, close to the fixed cylinder (1), of the movable cylinder (2), one side, far away from the fixed cylinder (1), of the limiting ring groove (208) is connected with a stretching ring groove (207), the fixed cylinder (1) is fixedly connected with a connecting block (6) on the end face, close to the movable cylinder (2), of the fixed cylinder, and the connecting block (6) movably penetrates through the limiting ring groove (208) and stretches into the stretching ring groove (207);
the end face, close to the fixed cylinder (1), of the movable cylinder (2) is provided with a rotating ring groove (203) communicated with the through groove (102), the stretching ring groove (207) is located inside the rotating ring groove (203), the rotating ring groove (203) is communicated with the stretching ring groove (207) through a connecting ring groove (206), the outer wall of the stretching ring groove (207) is connected with a plurality of fixing grooves (209), one side, far away from the through groove (102), of the rotating ring groove (203) is connected with an adjusting groove (204), and the adjusting groove (204) is communicated with the second wire guide hole (201) through a communicating groove (205);
one end of the adjusting rod (3) is fixedly connected with a rotating gear (31), one end of the adjusting rod (3) with the rotating gear (31) sequentially and movably penetrates through the through groove (102) and the rotating ring groove (203) and extends into the adjusting groove (204), and the outer wall of the rotating ring groove (203) is fixedly connected with gear teeth (4) matched with the rotating gear (31);
fixed block (5), fixed block (5) activity sets up in stretching into annular (207), and fixed block (5) and connecting block (6) fixed connection, open slot (51) have been seted up to one side that fixed block (5) are close to connection annular (206), open slot (51) inner wall fixed connection has elastic block (7), elastic block (7) fixedly connected with extrusion piece (8), and extrusion piece (8) activity in proper order pass stretch into annular (207), connect annular (206) and stretch into and rotate in annular (203), and extrusion piece (8) and rotate the cooperation extrusion of teeth of a cogwheel (31);
both sides of one end, extending into the open slot (51), of the extrusion block (8) are fixedly connected with connecting rods (9), and the connecting rods (9) are fixedly connected with fixing rods (10) which are inserted in a matched manner with the fixing slots (209);
the adjusting baffle (12) movably penetrates through the second yarn guide hole (201) and the outlet groove (202), a rotating wheel (11) is movably connected between the adjusting baffle (12) and the inner wall of the second yarn guide hole (201), a pushing block (13) for pushing the adjusting baffle (12) is movably arranged on one side, close to the bottom wall of the second yarn guide hole (201), of the adjusting baffle (12), and a threaded screw rod (14) is fixedly connected to one side, close to the adjusting groove (204), of the pushing block (13);
the thread cylinder (15) is movably arranged in the adjusting groove (204), the thread lead screw (14) movably extends into the thread cylinder (15), the outer side of the thread cylinder (15) is fixedly connected with rotating teeth (151), the rotating teeth (151) are meshed with toothed plates (18), and the toothed plates (18) are in extrusion fit with the adjusting rod (3); and
connecting cylinder (16), connecting cylinder (16) are fixed to be set up on adjustment tank (204) diapire, and pinion rack (18) activity stretches into connecting cylinder (16), fixed connection elastic extrusion pole (17) between pinion rack (18) and connecting cylinder (16), pinion rack (18) one side fixedly connected with limit pawl (181), fixed limit pawl subassembly (19) that are provided with a plurality of restriction pinion rack (18) and leave connecting cylinder (16) of connecting cylinder (16) inside wall.
2. The interventional penetrator of claim 1, wherein: the limiting pawl assembly (19) comprises a first pawl (191) and a first limiting column (192), the first pawl (191) of the limiting pawl assembly (19) is located between the first limiting column (192) and the bottom wall of the connecting cylinder (16), a first roller (193) is movably connected between the first pawl (191) and the side wall of the connecting cylinder (16), and an elastic pull rope (194) is fixedly connected between the first pawl (191) and the side wall of the connecting cylinder (16).
3. The interventional penetrator of claim 1, wherein: adjust pole (3) one end fixedly connected with fixed pawl (32) that are close to running gear (31), the activity is provided with two (20) of pawl with fixed pawl (32) complex in leading to groove (102), one side that two (20) of pawl are close to rotating ring groove (203) is fixed and is provided with spacing post two (21), swing joint has two (22) of gyro wheel between two (20) of pawl and leading to groove (102) inner wall, and fixed connection has two (23) of elasticity stay cord between two (20) of pawl and leading to groove (102).
4. The interventional penetrator of claim 1, wherein: the wire guide hole II (201) bottom wall is connected with a limiting groove (210), and pushes a block (13) to move and stretch into the limiting groove (210), and the pushing block (13) stretches into one end of the limiting groove (210) and is fixedly connected with a limiting block (24).
5. The interventional penetrator of claim 1, wherein: one end of the movable cylinder (2) far away from the fixed cylinder (1) is fixedly connected with a puncturing head (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471223.8A CN112472248B (en) | 2020-12-14 | 2020-12-14 | Interventional puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471223.8A CN112472248B (en) | 2020-12-14 | 2020-12-14 | Interventional puncture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112472248A true CN112472248A (en) | 2021-03-12 |
| CN112472248B CN112472248B (en) | 2021-10-26 |
Family
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Family Applications (1)
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| CN202011471223.8A Expired - Fee Related CN112472248B (en) | 2020-12-14 | 2020-12-14 | Interventional puncture device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932116A (en) * | 2021-11-02 | 2022-01-14 | 安徽科技学院 | Multi-angle rotating mechanism and photoelectric imaging detection device comprising same |
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| US20190365550A1 (en) * | 2016-12-15 | 2019-12-05 | Venus Medtech (Hangzhou), Inc. | Guidewire Adjuster and Delivery-System Control Handle |
| CN110693584A (en) * | 2019-11-21 | 2020-01-17 | 周涛 | Nerve interventional therapy instrument conveyor |
| CN110974370A (en) * | 2019-12-30 | 2020-04-10 | 首都医科大学附属北京妇产医院 | Ultrasonic intervention puncture device capable of preventing miss |
| CN211213417U (en) * | 2019-08-27 | 2020-08-11 | 逯振想 | Puncture outfit is intervene to department of neurology clinical practice |
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| CN1517129A (en) * | 2003-01-23 | 2004-08-04 | 龚晓平 | Cirrus chain type floating guide wire |
| US20190365550A1 (en) * | 2016-12-15 | 2019-12-05 | Venus Medtech (Hangzhou), Inc. | Guidewire Adjuster and Delivery-System Control Handle |
| CN211213417U (en) * | 2019-08-27 | 2020-08-11 | 逯振想 | Puncture outfit is intervene to department of neurology clinical practice |
| CN110693584A (en) * | 2019-11-21 | 2020-01-17 | 周涛 | Nerve interventional therapy instrument conveyor |
| CN110974370A (en) * | 2019-12-30 | 2020-04-10 | 首都医科大学附属北京妇产医院 | Ultrasonic intervention puncture device capable of preventing miss |
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| CN113932116A (en) * | 2021-11-02 | 2022-01-14 | 安徽科技学院 | Multi-angle rotating mechanism and photoelectric imaging detection device comprising same |
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| CN112472248B (en) | 2021-10-26 |
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Inventor after: Gao Weiren Inventor after: Zhang Bin Inventor after: Tang Wenkai Inventor before: Tang Wenkai |
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Effective date of registration: 20211012 Address after: The 252000 District of Dongchangfu city of Liaocheng province Shandong Wei Yuk Road No. 62 Liaocheng Third People's Hospital Applicant after: Gao Weiren Address before: Room b-804, science and technology building, no.1151 Yan'an South Road, bengshan District, Bengbu City, Anhui Province 233000 Applicant before: Bengbu guanshuo Medical Technology Co.,Ltd. |
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