CN113081197A - Puncture device with local anesthesia for general surgery - Google Patents
Puncture device with local anesthesia for general surgery Download PDFInfo
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- CN113081197A CN113081197A CN202110383041.3A CN202110383041A CN113081197A CN 113081197 A CN113081197 A CN 113081197A CN 202110383041 A CN202110383041 A CN 202110383041A CN 113081197 A CN113081197 A CN 113081197A
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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
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
- A61B90/13—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints guided by light, e.g. laser pointers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M19/00—Local anaesthesia; Hypothermia
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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
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
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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
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3409—Needle locating or guiding means using mechanical guide means including needle or instrument drives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0468—Liquids non-physiological
- A61M2202/048—Anaesthetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/08—Limbs
- A61M2210/086—Legs
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- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a puncture device with local anesthesia for general surgery, which relates to the technical field of medical instruments, wherein a first connecting arm and a second connecting arm are respectively and fixedly arranged on the side walls of two ends of an elastic hoop; a through groove is formed in the side wall of the elastic hoop close to the first connecting arm, and the end part of the second connecting arm movably penetrates through the through groove; a connecting rod is arranged between the first connecting arm and the second connecting arm, and two ends of the connecting rod are respectively hinged with the first connecting arm and the second connecting arm; a sliding groove is formed in the side wall of the elastic hoop close to the second connecting arm, the sliding groove is arranged in an inverted T-shaped structure, a sliding block is embedded in the sliding groove in a sliding mode, and the sliding block is matched with the sliding groove in structure; after the outer end activity of slider passed the spout, with the tip fixed connection of linking arm No. one, can be after the position of looking for femoral vein, apply the needle steadily, adopt automatic mode of applying the needle, simultaneously, can carry out local anesthesia to patient's thigh root, reduced patient's misery.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a puncturing device with local anesthesia for general surgery.
Background
The puncture is a diagnosis and treatment technology that a puncture needle is punctured into a body cavity to extract secretion for testing, gas or contrast agent is injected into the body cavity to perform contrast examination, or medicine is injected into the body cavity, and the puncture aims at blood drawing for testing, transfusion, catheter placement for angiography and the like; when blood vessel puncture is carried out, common puncture methods such as femoral artery puncture, femoral vein puncture and subclavian vein puncture can be carried out on three blood vessels for puncture and blood drawing, and a puncture femoral artery implantation catheter can be used for cardio-cerebrovascular angiography; carry out femoral vein puncture among the prior art and when drawing blood, generally disinfect in femoral vein department and medical personnel's hand is disinfected after, adopt manually to directly puncture the pjncture needle and draw blood, during handheld pjncture needle, because nervous or hand tremble lead to the counterpoint inaccuracy easily, and simultaneously, when the puncture pain of patient femoral artery department felt stronger, the shank produced easily and removed for cause the secondary damage to the patient, consequently, need for a take puncture device for general surgery operation of local anesthesia urgently.
Disclosure of Invention
The invention aims to provide a puncture device with local anesthesia for general surgery, which has simple structure, reasonable design and convenient use, can stably perform needle application after the position of femoral vein is found, adopts an automatic needle application mode, can perform local anesthesia on the thigh root of a patient, and reduces the pain of the patient aiming at the defects and defects of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: it comprises a leg fixing device, a puncture needle, a conveying device, a support and a support plate; the leg fixing device comprises an elastic hoop, a first connecting arm, a second connecting arm, a connecting rod and a sliding block; a first connecting arm and a second connecting arm are respectively and fixedly arranged on the side walls of the two ends of the elastic hoop; a through groove is formed in the side wall of the elastic hoop close to the first connecting arm, and the end part of the second connecting arm movably penetrates through the through groove; a connecting rod is arranged between the first connecting arm and the second connecting arm, two ends of the connecting rod are respectively hinged with the first connecting arm and the second connecting arm, the connecting rod is formed by mutually sleeving a plurality of sleeves, and the sleeves are fixedly connected through bolts; a sliding groove is formed in the side wall of the elastic hoop close to the second connecting arm, the sliding groove is arranged in an inverted T-shaped structure, a sliding block is embedded in the sliding groove in a sliding mode, and the sliding block is matched with the sliding groove in structure; the outer end of the sliding block is fixedly connected with the end part of the first connecting arm after movably penetrating through the sliding chute;
the upper side of the elastic hoop is movably sleeved with a support, the left side and the right side of the upper side surface of the support are symmetrically and vertically fixedly provided with support plates, and a conveying device is arranged in front of the support plates on the left side and the right side; the conveying device comprises an adjusting box, a fixing plate, a first electric push rod, a second electric push rod, a driving motor, a first synchronous wheel, a second synchronous wheel, a third synchronous wheel, a synchronous belt, a driving gear, a driven gear, a telescopic rod, a tension spring and an adjusting wheel; an adjusting box is movably arranged between the supporting plates at the left side and the right side, the left side and the right side of the top surface of the adjusting box are symmetrically and vertically fixedly provided with fixed plates, the outer side walls of the adjusting box at the left side and the right side and the fixed plates at the left side and the right side are fixedly provided with rotating shafts, and the other ends of the rotating shafts are respectively rotatably arranged on the inner side walls of the supporting plates through bearings; the left side wall and the right side wall of the adjusting box are symmetrically hinged with a first electric push rod, and the lower end of the first electric push rod is hinged with the upper side surface of the support; the upper side of the adjusting box is provided with a puncture needle, the left side and the right side of the puncture needle are symmetrically abutted with adjusting wheels, a wheel seat of the left adjusting wheel is fixedly arranged on the right side wall of the left fixing plate, a telescopic rod is fixedly connected with the wheel seat of the right adjusting wheel, the right end of the telescopic rod is fixedly connected with the left side wall of the right fixing plate, a tension spring is sleeved on the telescopic rod, the left end of the tension spring is fixedly connected with the wheel seat of the right adjusting wheel, and the right end of the tension spring is fixedly connected with the left side wall; the lower end of the wheel shaft of the left adjusting wheel is fixedly connected with the middle part of the first synchronizing wheel after rotating through the top surface of the adjusting box through a bearing; the lower end of a wheel shaft of the right adjusting wheel is rotatably connected with an adjusting plate through a bearing, a driven gear is fixedly sleeved on the wheel shaft, the right side of the driven gear is meshed with a driving gear, the middle part of the driving gear is fixedly connected with a transmission shaft, and the lower end of the transmission shaft is fixedly connected with a second synchronizing wheel after rotatably penetrating through the adjusting plate through the bearing and movably penetrating through the top surface of an adjusting box; guide rods are symmetrically arranged below the front side and the rear side of the adjusting plate, the guide rods are fixedly arranged on the top surface of the adjusting box through a connecting plate, and the bottom surface of the adjusting plate is movably arranged on the guide rods through linear bearings; the middle part of the inner bottom surface of the adjusting box is fixedly provided with two slide rails, the upper sides of the two slide rails are provided with a driving motor, the lower end of the driving motor is arranged on the slide rails in a sliding manner through sliding blocks, an output shaft of the driving motor is fixedly sleeved with a third synchronizing wheel, the first synchronizing wheel, the second synchronizing wheel and the third synchronizing wheel are arranged in a triangular manner, and the first synchronizing wheel, the second synchronizing wheel and the third synchronizing wheel are connected through synchronous belt transmission; a second electric push rod is arranged between the slide rails on the left side and the right side, the second electric push rod is fixedly arranged on the inner bottom surface of the adjusting box through an installation plate, and the pushing end of the second electric push rod is fixedly connected with the bottom surface of the driving motor;
a suction pump is fixedly arranged on the inner bottom surface of the adjusting box, a liquid inlet pipe is fixedly connected to the input end of the suction pump, the rear end of the liquid inlet pipe penetrates through the rear side wall of the adjusting box and then is connected with an external anesthetic liquid storage device, an atomizing nozzle is fixedly connected to the output end of the suction pump through a liquid guide pipe, and the atomizing nozzle is fixedly arranged on the front side wall of the adjusting box; the driving motor, the first electric push rod, the second electric push rod and the suction pump are all connected with an external power supply and an external controller.
Preferably, a plurality of shaft seats are fixedly arranged on the end face of the sliding block, the adjusting shaft is rotatably arranged in the middles of the shaft seats in a penetrating manner through a bearing, adjusting gears are fixedly arranged at the front end and the rear end of the adjusting shaft, racks are symmetrically and fixedly arranged on the inner side walls of the sliding grooves at the front side and the rear side of the sliding block, the adjusting gears are meshed with the racks, and the rear end of the adjusting shaft penetrates through a strip-shaped groove formed in the rear side wall of the elastic hoop and is fixedly connected with the plum blossom hand in a screwing; twist through rotating the plum blossom hand and drive the regulating spindle and rotate to drive the adjusting gear and remove on the rack, and then adjust the overlap joint distance at elasticity hoop both ends, then adjust the elasticity of being connected of elasticity hoop and thigh root.
Preferably, the inner side wall of the support is fixedly provided with an anti-slip pad, the anti-slip pad is arranged at the root of the thigh of the patient, the sliding of the support is reduced, and the stability of the device is improved.
Preferably, guide blocks are symmetrically and fixedly arranged on the front side wall and the rear side wall of the second connecting arm in the through groove, guide grooves are symmetrically arranged on the front side wall and the rear side wall in the through groove, and the guide blocks are slidably arranged in the guide grooves; the cooperation through guide block and guide way slides and carries on spacingly and direction No. two linking arms for simultaneously, the both ends lateral wall of elasticity hoop is laminated mutually and is set up.
Preferably, an infrared laser positioner is fixedly arranged on the top surface of the adjusting box, the infrared laser positioner is arranged on the lower side of the central axis of the puncture needle, and the infrared laser positioner is connected with an external power supply; when the puncture needle is positioned, the position of the lower needle is preliminarily measured by a positioning line generated by the infrared laser positioner.
The working principle of the invention is as follows: sleeving an elastic hoop in the device on the leg of a patient from the foot of the patient until the elastic hoop is positioned at the root of the thigh of the patient, adjusting the distance between a first connecting arm and a second connecting arm, further adjusting the tightness of the elastic hoop on the thigh of the patient, and after the adjustment is finished, fixing the length of the connecting rod through a bolt so that the device is installed on the leg of the patient; then adjusting the position of the support on the elastic hoop so as to control the left and right positions of the needle; then the position of the femoral vein is accurately found by pressing the hand of the medical care personnel, the second electric push rod is opened through an external controller, the second electric push rod is contracted, the driving motor moves forwards, the transmission shaft moves rightwards under the action of the reverse tension of the tension spring, the space between the adjusting wheels at the left side and the right side is increased, the needle cylinder of the puncture needle is clamped between the adjusting wheels at the left side and the right side, then the second electric push rod extends, and the transmission shaft moves leftwards, so that the needle cylinder of the puncture needle is tightly clamped between the adjusting wheels at the left side and the right side; open an electric putter, an electric putter's is flexible, adjust the inclination of regulating box, and then adjust the angle of executing the needle, the accurate femoral vein of syringe needle up to the pjncture needle, the suction pump of opening, atomizer department is carried with the anesthetic to the feed liquor pipe, through atomizer spraying in patient's femoral vein department, carry out local anesthesia to patient's thigh root, then execute the needle, open driving motor, driving motor's output drives No. three synchronizing wheel and rotates, because the hold-in range, driving gear and driven gear's transmission effect, the synchronizing wheel reverse rotation of the left and right sides, drive pjncture needle forward transmission, carry out femoral vein puncture.
Compared with the prior art, the invention has the beneficial effects that:
1. after the position of the femoral vein is found, the puncture needle is clamped through the adjusting wheel, and the puncture needle is driven by the driving motor to carry out needle application stably after being clamped, and an automatic needle application mode is adopted;
2. the anesthetic is atomized and sprayed through the atomizing nozzle, so that local anesthesia can be performed on the root of the thigh of the patient, and the pain of the patient is reduced;
3. the whole device is arranged at the root of the thigh of a patient through the leg fixing device, so that the device is more stable and can be adapted to legs with different thicknesses for installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Fig. 5 is an enlarged view of a portion C in fig. 1.
Fig. 6 is a schematic view of the connection structure of the shaft seat, the adjusting shaft, the adjusting gear, the rack and the quincunx hand screw and the sliding block.
Fig. 7 is a schematic view of the connection structure of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the synchronous belt of the invention.
Description of reference numerals:
the leg fixing device comprises a leg fixing device 1, an elastic hoop 1-1, a first connecting arm 1-2, a second connecting arm 1-3, a through groove 1-4, a connecting rod 1-5, a sleeve 1-5-1, a sliding groove 1-6, a sliding block 1-7, a support 2, a supporting plate 3, a conveying device 4, an adjusting box 4-1, a fixing plate 4-2, a rotating shaft 4-3, a first electric push rod 4-4, a puncture needle 4-5, an adjusting wheel 4-6, a telescopic rod 4-7, a tension spring 4-8, a first synchronizing wheel 4-9, an adjusting plate 4-10, a driven gear 4-11, a driving gear 4-12, a transmission shaft 4-13, a second synchronizing wheel 4-14, a guide rod 4-15, a sliding rail 4-16, a driving motor 4-17, a connecting rod 4-, 4-18 parts of a third synchronous wheel, 4-19 parts of a synchronous belt, 4-20 parts of a second electric push rod, a suction pump 5, a liquid inlet pipe 6, an atomizing nozzle 7, a shaft seat 8, an adjusting shaft 9, an adjusting gear 10, a rack 11, a quincuncial hand screw 12, an anti-skid pad 13, a guide block 14, a guide groove 15 and an infrared laser positioner 16.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the technical solution adopted by the present embodiment is: it comprises a leg fixing device 1, puncture needles 4-5, a conveying device 4, a support 2 and a support plate 3; the leg fixing device 1 comprises an elastic hoop 1-1, a first connecting arm 1-2, a second connecting arm 1-3, a connecting rod 1-5 and a sliding block 1-7; the side walls of the two ends of the elastic hoop 1-1 are respectively fixedly welded with a first connecting arm 1-2 and a second connecting arm 1-3; a through groove 1-4 is formed in the side wall of the elastic hoop 1-1 close to the first connecting arm 1-2, the end part of the second connecting arm 1-3 is movably arranged in the through groove 1-4 in a penetrating manner, guide blocks 14 are symmetrically and fixedly welded on the front side wall and the rear side wall of the second connecting arm 1-3 in the through groove 1-4, guide grooves 15 are symmetrically formed in the front side wall and the rear side wall in the through groove 1-4, and the guide blocks 14 are arranged in the guide grooves 15 in a sliding manner; the second connecting arm 1-3 is limited and guided by the matching sliding of the guide block 14 and the guide groove 15, and meanwhile, the side walls of the two ends of the elastic hoop 1-1 are attached to each other; a connecting rod 1-5 is arranged between the first connecting arm 1-2 and the second connecting arm 1-3, two ends of the connecting rod 1-5 are respectively hinged with the first connecting arm 1-2 and the second connecting arm 1-3, the connecting rod 1-5 is formed by mutually sleeving a plurality of sleeves 1-5-1, the sleeves 1-5-1 are fixedly connected through bolts, and the length of the connecting rod 1-5 can be adjusted; a sliding groove 1-6 is formed in the side wall of the elastic hoop 1-1 close to the second connecting arm 1-3, the sliding groove 1-6 is arranged in an inverted T-shaped structure, a sliding block 1-7 is embedded in the sliding groove 1-6 in a sliding mode, and the sliding block 1-7 is matched with the sliding groove 1-6 in structure; the outer end of the sliding block 1-7 is fixedly welded with the end part of the first connecting arm 1-2 after movably penetrating through the sliding chute 1-6; two shaft seats 8 are fixedly welded on the end faces of the sliding blocks 1-7, the adjusting shafts 9 are rotatably arranged in the middles of the shaft seats 8 through bearings, adjusting gears 10 are fixedly welded at the front and rear ends of each adjusting shaft 9, racks 11 are symmetrically and fixedly welded on the inner side walls of the sliding grooves 1-6 at the front and rear sides of each sliding block 1-7, the adjusting gears 10 are meshed with the racks 11, and the rear ends of the adjusting shafts 9 are fixedly welded with a quincunx hand screw 12 after penetrating through strip-shaped grooves formed in the rear side walls of the elastic hoops 1-1; the adjusting shaft 9 is driven to rotate by rotating the plum blossom hand screw 12, so that the adjusting gear 10 is driven to move on the rack 11, the overlapping distance of the two ends of the elastic hoop 1-1 is adjusted, and then the connection tightness of the elastic hoop 1-1 and the root of the thigh is adjusted;
the upper side of the elastic hoop 1-1 is movably sleeved with a support 2, an anti-slip pad 13 is fixedly arranged on the inner side wall of the support 2 through gluing, the anti-slip pad 13 is arranged at the root of the thigh of a patient through the anti-slip pad 13, the sliding of the support 2 is reduced, the stability of the device is improved, support plates 3 are symmetrically, vertically and fixedly welded on the left side and the right side of the upper side of the support 2, and a conveying device 4 is arranged in front of the support plates; the conveying device 4 comprises an adjusting box 4-1, a fixing plate 4-2, a first electric push rod 4-4, a second electric push rod 4-20, a driving motor 4-17, a first synchronous wheel 4-9, a second synchronous wheel 4-14, a third synchronous wheel 4-18, a synchronous belt 4-19, a driving gear 4-12, a driven gear 4-11, an expansion link 4-7, a tension spring 4-8 and an adjusting wheel 4-6; an adjusting box 4-1 is movably arranged between the supporting plates 3 at the left side and the right side, the left side and the right side of the top surface of the adjusting box 4-1 are symmetrically and vertically fixedly welded with a fixed plate 4-2, the outer side walls of the adjusting box 4-1 at the left side and the right side and the fixed plate 4-2 at the left side and the right side are fixedly welded with a rotating shaft 4-3, and the other end of the rotating shaft 4-3 is rotatably arranged on the inner side wall of the supporting plate 3 through a bearing respectively; a first electric push rod 4-4 with the model number of smr-300 is symmetrically hinged on the left side wall and the right side wall of the adjusting box 4-1, and the lower end of the first electric push rod 4-4 is hinged with the upper side surface of the support 2; the upper side of the adjusting box 4-1 is provided with a puncture needle 4-5, the left side and the right side of the puncture needle 4-5 are symmetrically abutted with adjusting wheels 4-6, the adjusting wheels 4-6 are rubber wheels, wheel seats of the left adjusting wheels 4-6 are fixedly welded on the right side wall of the left fixing plate 4-2, wheel seats of the right adjusting wheels 4-6 are fixedly welded with telescopic rods 4-7, the structure and the principle of the telescopic rods 4-7 are the same as those of an umbrella handle in the prior art, the right end of each telescopic rod 4-7 is fixedly welded with the left side wall of the right fixing plate 4-2, each telescopic rod 4-7 is sleeved with a tension spring 4-8, the left end of each tension spring 4-8 is fixedly welded with the wheel seat of the right adjusting wheel 4-6, and the right end of each tension spring 4-8 is fixedly welded with the left side wall of the right; the lower end of the wheel shaft of the left adjusting wheel 4-6 is fixedly welded with the middle part of the first synchronizing wheel 4-9 after rotating through the top surface of the adjusting box 4-1 through a bearing; the lower end of a wheel shaft of the right adjusting wheel 4-6 is rotatably connected with an adjusting plate 4-10 through a bearing, a driven gear 4-11 is fixedly welded on the wheel shaft in a sleeved mode, the right side of the driven gear 4-11 is meshed with a driving gear 4-12, a transmission shaft 4-13 is fixedly welded in the middle of the driving gear 4-12, the lower end of the transmission shaft 4-13 penetrates through the adjusting plate 4-10 through the bearing in a rotating mode and movably penetrates through the top surface of an adjusting box 4-1, and then a second synchronizing wheel 4-14 is fixedly welded; guide rods 4-15 are symmetrically arranged below the front side and the rear side of the adjusting plate 4-10, the guide rods 4-15 are fixedly welded on the top surface of the adjusting box 4-1 through a connecting plate, and the bottom surface of the adjusting plate 4-10 is movably arranged on the guide rods 4-15 through linear bearings; the middle part of the inner bottom surface of the adjusting box 4-1 is fixedly provided with two slide rails 4-16 through bolts, the upper sides of the two slide rails 4-16 are provided with driving motors 4-17, the lower ends of the driving motors 4-17 are arranged on the slide rails 4-16 in a sliding manner through sliding blocks, the output shafts of the driving motors 4-17 are fixedly welded and sleeved with third synchronizing wheels 4-18, the first synchronizing wheels 4-9, the second synchronizing wheels 4-14 and the third synchronizing wheels 4-18 are arranged in a triangular manner, and the three are in transmission connection through synchronous belts 4-19; a second electric push rod 4-20 with the model number of smr-300 is arranged between the slide rails 4-16 at the left side and the right side, the second electric push rod 4-20 is fixedly arranged at the inner bottom surface of the adjusting box 4-1 through a mounting plate and a bolt, and the pushing end of the second electric push rod 4-20 is fixedly connected with the bottom surface of the driving motor 4-17; an infrared laser locator 16 is fixedly arranged on the top surface of the adjusting box 4-1 through bolts, the laser wavelength emitted by the infrared laser locator 16 is within the acceptable range of a human body, the infrared laser locator 16 is arranged on the lower side of the central axis of the puncture needle 4-5, and the infrared laser locator 16 is connected with an external power supply; when the puncture needle 4-5 is positioned, the position of the lower needle is preliminarily measured by a positioning line generated by the infrared laser positioner 16;
a suction pump 5 is fixedly arranged on the inner bottom surface of the adjusting box 4-1 through bolts, a liquid inlet pipe 6 is fixedly connected to the input end of the suction pump 5 through bolts and flanges, the rear end of the liquid inlet pipe 6 penetrates through the rear side wall of the adjusting box 4-1 and then is connected with an external anesthetic liquid storage device, an atomizing nozzle 7 is fixedly connected to the output end of the suction pump 5 through a liquid guide pipe, and the atomizing nozzle 7 is fixedly arranged on the front side wall of the adjusting box 4-1 through bolts; the driving motor 4-17, the first electric push rod 4-4, the second electric push rod 4-20 and the suction pump 5 are all connected with an external power supply and an external controller.
The working principle of the specific embodiment is as follows: sleeving an elastic hoop 1-1 in the device on the leg of a patient from the foot of the patient until the elastic hoop 1-1 is positioned at the root of the thigh of the patient, adjusting the distance between a first connecting arm 1-2 and a second connecting arm 1-3, further adjusting the tightness of the elastic hoop 1-1 hooped on the thigh of the patient, and after the adjustment is finished, fixing the length of a connecting rod 1-5 through a bolt so that the device is installed on the leg of the patient; then adjusting the position of the support 2 on the elastic hoop 1-1, and further controlling the left and right positions of the needle; then the position of the femoral vein is accurately found by pressing hands of medical workers, a second electric push rod 4-20 is opened through an external controller, the second electric push rod 4-20 contracts, a driving motor 4-17 moves forwards, a transmission shaft 4-13 moves rightwards under the action of reverse tension of a tension spring 4-8, the distance between adjusting wheels 4-6 on the left side and the right side is increased, a needle cylinder of a puncture needle 4-5 is clamped between the adjusting wheels 4-6 on the left side and the right side, then the second electric push rod 4-20 extends, and the transmission shaft 4-13 moves leftwards, so that the needle cylinder of the puncture needle 4-5 is tightly clamped between the adjusting wheels 4-6 on the left side and the right side; opening the first electric push rod 4-4, stretching the first electric push rod 4-4, adjusting the inclination angle of the adjusting box 4-1, further adjusting the needle application angle until the needle head of the puncture needle 4-5 is aligned with the femoral vein, opening the suction pump 5, conveying the anesthetic to the atomizing nozzle 7 by the liquid inlet pipe 6, spraying the anesthetic on the femoral vein of the patient through the atomizing nozzle 7, performing local anesthesia on the femoral root of the patient, then applying the needle, opening the driving motor 4-17, driving the output end of the driving motor 4-17 to drive the third synchronous wheel 4-18 to rotate, and driving the puncture needle 4-5 to transmit forwards to perform femoral vein puncture due to the transmission effect of the synchronous belt 4-19, the driving gear 4-12 and the driven gear 4-11, and reversely rotating the synchronous wheels on the left side and the right side.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. after the position of the femoral vein is found, the puncture needle 4-5 is clamped through the adjusting wheel 4-6, and the puncture needle is driven by the driving motor 4-17 after being clamped to carry out needle application stably by adopting an automatic needle application mode;
2. the anesthetic is atomized and sprayed through the atomizing nozzle 7, so that local anesthesia can be performed on the root of the thigh of the patient, and the pain of the patient is reduced;
3. the whole device is arranged at the root of the thigh of a patient through the leg fixing device 1, so that the device is more stable and can be suitable for legs with different thicknesses to be arranged;
4. when the puncture needle 4-5 is positioned, the position of the lower needle is preliminarily measured by a positioning line generated by the infrared laser positioner 16.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a take puncture device for general surgery operation of local anesthesia which characterized in that: it comprises a leg fixing device (1), puncture needles (4-5), a conveying device (4), a support (2) and a support plate (3); the leg fixing device (1) comprises an elastic hoop (1-1), a first connecting arm (1-2), a second connecting arm (1-3), a connecting rod (1-5) and a sliding block (1-7); a first connecting arm (1-2) and a second connecting arm (1-3) are respectively and fixedly arranged on the side walls of the two ends of the elastic hoop (1-1); a through groove (1-4) is formed in the side wall of the elastic hoop (1-1) close to the first connecting arm (1-2), and the end part of the second connecting arm (1-3) is movably arranged in the through groove (1-4) in a penetrating mode; a connecting rod (1-5) is arranged between the first connecting arm (1-2) and the second connecting arm (1-3), two ends of the connecting rod (1-5) are respectively hinged with the first connecting arm (1-2) and the second connecting arm (1-3), the connecting rod (1-5) is formed by mutually sleeving a plurality of sleeves (1-5-1), and the sleeves (1-5-1) are fixedly connected through bolts; a sliding groove (1-6) is formed in the side wall of the elastic hoop (1-1) close to the second connecting arm (1-3), the sliding groove (1-6) is arranged in an inverted T-shaped structure, a sliding block (1-7) is embedded in the sliding groove (1-6) in a sliding mode, and the sliding block (1-7) is matched with the sliding groove (1-6) in structure; the outer end of the sliding block (1-7) is fixedly connected with the end part of the first connecting arm (1-2) after movably penetrating through the sliding chute (1-6);
the upper side of the elastic hoop (1-1) is movably sleeved with a support (2), the left side and the right side of the upper side surface of the support (2) are symmetrically and vertically fixedly provided with support plates (3), and a conveying device (4) is arranged in front of the support plates (3) on the left side and the right side; the conveying device (4) comprises an adjusting box (4-1), a fixing plate (4-2), a first electric push rod (4-4), a second electric push rod (4-20), a driving motor (4-17), a first synchronous wheel (4-9), a second synchronous wheel (4-14), a third synchronous wheel (4-18), a synchronous belt (4-19), a driving gear (4-12), a driven gear (4-11), an expansion link (4-7), a tension spring (4-8) and an adjusting wheel (4-6); an adjusting box (4-1) is movably arranged between the supporting plates (3) at the left side and the right side, the left side and the right side of the top surface of the adjusting box (4-1) are symmetrically and vertically fixedly provided with a fixed plate (4-2), the outer side walls of the adjusting box (4-1) at the left side and the right side and the fixed plate (4-2) at the left side and the right side are fixedly provided with a rotating shaft (4-3), and the other end of the rotating shaft (4-3) is rotatably arranged on the inner side wall of the supporting plate (3) through; a first electric push rod (4-4) is symmetrically hinged to the left side wall and the right side wall of the adjusting box (4-1), and the lower end of the first electric push rod (4-4) is hinged to the upper side face of the support (2); a puncture needle (4-5) is arranged on the upper side of the adjusting box (4-1), adjusting wheels (4-6) are symmetrically abutted to the left side and the right side of the puncture needle (4-5), a wheel seat of the left adjusting wheel (4-6) is fixedly arranged on the right side wall of the left fixing plate (4-2), a telescopic rod (4-7) is fixedly connected with the wheel seat of the right adjusting wheel (4-6), the right end of the telescopic rod (4-7) is fixedly connected with the left side wall of the right fixing plate (4-2), a tension spring (4-8) is sleeved on the telescopic rod (4-7), the left end of the tension spring (4-8) is fixedly connected with the wheel seat of the right adjusting wheel (4-6), and the right end of the tension spring (4-8) is fixedly connected with the left side wall of the right fixing plate (4-; the lower end of the wheel shaft of the left adjusting wheel (4-6) is fixedly connected with the middle part of the first synchronizing wheel (4-9) after rotating through the top surface of the adjusting box (4-1) through a bearing; the lower end of a wheel shaft of the right adjusting wheel (4-6) is rotatably connected with an adjusting plate (4-10) through a bearing, a driven gear (4-11) is fixedly sleeved on the wheel shaft, the right side of the driven gear (4-11) is meshed with a driving gear (4-12), the middle part of the driving gear (4-12) is fixedly connected with a transmission shaft (4-13), and the lower end of the transmission shaft (4-13) is fixedly connected with a second synchronizing wheel (4-14) after rotatably penetrating through the adjusting plate (4-10) through the bearing and movably penetrating through the top surface of an adjusting box (4-1); guide rods (4-15) are symmetrically arranged below the front side and the rear side of the adjusting plate (4-10), the guide rods (4-15) are fixedly arranged on the top surface of the adjusting box (4-1) through a connecting plate, and the bottom surface of the adjusting plate (4-10) is movably arranged on the guide rods (4-15) through linear bearings; the middle part of the inner bottom surface of the adjusting box (4-1) is fixedly provided with two sliding rails (4-16), the upper sides of the two sliding rails (4-16) are provided with driving motors (4-17), the lower ends of the driving motors (4-17) are arranged on the sliding rails (4-16) in a sliding manner through sliding blocks, the output shafts of the driving motors (4-17) are fixedly sleeved with third synchronizing wheels (4-18), the first synchronizing wheels (4-9), the second synchronizing wheels (4-14) and the third synchronizing wheels (4-18) are arranged in a triangular manner, and the three synchronizing wheels are in transmission connection through synchronous belts (4-19); a second electric push rod (4-20) is arranged between the slide rails (4-16) at the left side and the right side, the second electric push rod (4-20) is fixedly arranged on the inner bottom surface of the adjusting box (4-1) through a mounting plate, and the pushing end of the second electric push rod (4-20) is fixedly connected with the bottom surface of the driving motor (4-17);
a suction pump (5) is fixedly arranged on the inner bottom surface of the adjusting box (4-1), the input end of the suction pump (5) is fixedly connected with a liquid inlet pipe (6), the rear end of the liquid inlet pipe (6) penetrates through the rear side wall of the adjusting box (4-1) and then is connected with an external anesthesia liquid medicine storage device, the output end of the suction pump (5) is fixedly connected with an atomizing nozzle (7) through a liquid guide pipe, and the atomizing nozzle (7) is fixedly arranged on the front side wall of the adjusting box (4-1); the driving motor (4-17), the first electric push rod (4-4), the second electric push rod (4-20) and the suction pump (5) are connected with an external power supply and an external controller.
2. A general surgical puncture device with local anesthesia according to claim 1, wherein: a plurality of shaft seats (8) are fixedly arranged on the end face of the sliding block (1-7), an adjusting shaft (9) is rotatably arranged in the middle of the shaft seats (8) in a penetrating manner through a bearing, adjusting gears (10) are fixedly arranged at the front end and the rear end of the adjusting shaft (9), racks (11) are symmetrically and fixedly arranged on the inner side walls of sliding chutes (1-6) at the front side and the rear side of the sliding block (1-7), the adjusting gears (10) are meshed with the racks (11), and the rear end of the adjusting shaft (9) is fixedly connected with a plum-blossom hand screw (12) after passing through a strip-shaped groove formed in the rear side wall of the elastic hoop (1-1); the adjusting shaft (9) is driven to rotate by rotating the plum blossom hand wrench (12), so that the adjusting gear (10) is driven to move on the rack (11), the lap joint distance of the two ends of the elastic hoop (1-1) is adjusted, and the connection tightness of the elastic hoop (1-1) and the root of the thigh is adjusted.
3. A general surgical puncture device with local anesthesia according to claim 1, wherein: the inner side wall of the support (2) is fixedly provided with an anti-slip pad (13), the anti-slip pad (13) is arranged at the root of the thigh of the patient, the sliding of the support (2) is reduced, and the stability of the device is improved.
4. A general surgical puncture device with local anesthesia according to claim 1, wherein: guide blocks (14) are symmetrically and fixedly arranged on the front side wall and the rear side wall of the second connecting arm (1-3) in the through groove (1-4), guide grooves (15) are symmetrically arranged on the front side wall and the rear side wall in the through groove (1-4), and the guide blocks (14) are arranged in the guide grooves (15) in a sliding manner; the second connecting arm (1-3) is limited and guided by the matching sliding of the guide block (14) and the guide groove (15), and meanwhile, the side walls of the two ends of the elastic hoop (1-1) are attached to each other.
5. A general surgical puncture device with local anesthesia according to claim 1, wherein: an infrared laser positioner (16) is fixedly arranged on the top surface of the adjusting box (4-1), the infrared laser positioner (16) is arranged on the lower side of the central axis of the puncture needle (4-5), and the infrared laser positioner (16) is connected with an external power supply; when the puncture needle (4-5) is positioned, the position of the lower needle is preliminarily measured by a positioning line generated by the infrared laser positioner (16).
6. The operating principle of the puncturing device for general surgery with local anesthesia as recited in claim 1, wherein: sleeving an elastic hoop (1-1) in the device on the leg of a patient from the foot of the patient until the elastic hoop (1-1) is positioned at the root of the thigh of the patient, adjusting the distance between a first connecting arm (1-2) and a second connecting arm (1-3), further adjusting the tightness of the elastic hoop (1-1) hooped on the thigh of the patient, and after the adjustment is finished, fixing the length of a connecting rod (1-5) through a bolt so that the device is installed on the leg of the patient; then adjusting the position of the support (2) on the elastic hoop (1-1) so as to control the left and right positions of the needle; then the position of the femoral vein is accurately found by pressing hands of medical workers, a second electric push rod (4-20) is opened through an external controller, the second electric push rod (4-20) contracts, a driving motor (4-17) moves forwards, a transmission shaft (4-13) moves rightwards under the action of reverse tension of a tension spring (4-8), the distance between adjusting wheels (4-6) on the left side and the right side is increased, a needle cylinder of a puncture needle (4-5) is clamped between the adjusting wheels (4-6) on the left side and the right side, then the second electric push rod (4-20) extends, and the transmission shaft (4-13) moves leftwards, so that the needle cylinder of the puncture needle (4-5) is tightly clamped between the adjusting wheels (4-6) on the left side and the right side; opening an electric push rod (4-4), stretching the electric push rod (4-4), adjusting the inclination angle of an adjusting box (4-1), further adjusting the needle application angle until the needle head of a puncture needle (4-5) is aligned with the femoral vein, opening a suction pump (5), conveying the anesthetic to an atomizing nozzle (7) by a liquid inlet pipe (6), spraying the anesthetic on the femoral vein of a patient through the atomizing nozzle (7), locally anesthetizing the root of the thigh of the patient, then applying the needle, opening a driving motor (4-17), driving an output end of the driving motor (4-17) to drive a third synchronizing wheel (4-18) to rotate, and reversely rotating the synchronizing wheels on the left side and the right side due to the transmission action of the synchronizing belts (4-19), the driving gears (4-12) and the driven gears (4-11), the puncture needles (4-5) are driven to transmit forwards to carry out femoral vein puncture.
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| CN202110383041.3A CN113081197B (en) | 2021-04-09 | 2021-04-09 | Puncture device with local anesthesia for general surgery |
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| US20120232389A1 (en) * | 2011-01-26 | 2012-09-13 | Guzman Michael F | Methods and apparatus for administering local anesthetic |
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| CN113081197B (en) | 2022-04-15 |
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