CN111938785B - Ultrasonic device with guide puncture needle - Google Patents
Ultrasonic device with guide puncture needle Download PDFInfo
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- CN111938785B CN111938785B CN202010843357.1A CN202010843357A CN111938785B CN 111938785 B CN111938785 B CN 111938785B CN 202010843357 A CN202010843357 A CN 202010843357A CN 111938785 B CN111938785 B CN 111938785B
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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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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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
- A61B17/32—Surgical cutting instruments
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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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
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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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
- A61B17/32—Surgical cutting instruments
- A61B2017/320052—Guides for cutting instruments
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
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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
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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Abstract
The invention discloses an ultrasonic device with a guide puncture needle, which realizes automatic needle feeding and needle discharging of the puncture needle by arranging a needle feeding assembly and a power assembly, and effectively controls the needle feeding precision of the puncture needle; the guide frame is integrated on the equipment body, so that the angle of the guide frame is adjusted by the adjusting assembly, the angle of the puncture needle is adjusted, and the flexibility is high; meanwhile, the guide frame can be stored into the storage groove by arranging the adjusting assembly, so that the complex work of mounting and dismounting the puncture frame during puncture is reduced, and the guide frame can be rapidly stored through the rotating wheel; in addition, through setting up reciprocal subassembly to when making the reciprocal subassembly of power component drive move, drive the pjncture needle through clamping device and carry out reciprocating motion, constantly strike the bruising to tenosynovitis calcified tissue or other calcified tissue with certain frequency, break up efficiency to tenosynovitis calcified tissue or other calcified tissue with the improvement puncture.
Description
Technical Field
The invention relates to the technical field of ultrasonic diagnosis and treatment, in particular to an ultrasonic device with a guide puncture needle.
Background
The tendon sheath is a double-layer sleeve-like closed synovial tube sleeved outside the tendon and is a synovial sheath for protecting the tendon. It is divided into two layers to wrap the tendon, a cavity between the two layers is a synovial cavity, and tendon sheath synovial fluid is arranged in the cavity. The inner layer is tightly adhered to the tendon, and the outer layer is lined in the tendon fiber sheath and combined with the bone surface together, so that the tendon fiber sheath has the functions of fixing, protecting and lubricating the tendon and preventing the tendon from being rubbed or pressed. Over-friction of the tendons over time can cause traumatic inflammation of the tendons and sheaths, causing swelling, known as tenosynovitis.
Tenosynovitis when appearing the calcification, need smash the calcification with the syringe, the position of tenosynovitis is fixed a position through ultrasonic device's visual operation, then inserts the syringe subcutaneously through the puncture frame to the syringe needle through the syringe is smashed the calcification position, is in order to alleviate the pain and the discomfort of tenosynovitis. However, the problem of the inability of the syringe to triturate occurs because some of the calcified tissue of tenosynovitis is relatively hard; meanwhile, the existing ultrasonic device needs to be provided with a puncture frame for guiding, needs to be provided with a puncture needle in advance and adjust the insertion angle of the fixed puncture needle, cannot adjust the insertion angle in the operation process, and effectively reduces the operation efficiency.
Disclosure of Invention
The invention aims to provide an ultrasonic device with a guide puncture needle aiming at overcoming the defects in the technology, and aims to solve the problems that when a calcification and hardening injector in tenosynovitis cannot be smashed and operated, the puncture needle needs to be installed in advance and the insertion angle of the puncture needle needs to be adjusted and fixed, so that the operation efficiency is low.
The invention provides an ultrasonic device with a guide puncture needle, which comprises an equipment body, wherein an ultrasonic probe is arranged at the end part of the equipment body; the upper part of the equipment body can be accommodated and provided with a guide frame, and a cover body is detachably arranged on the guide frame; an adjusting assembly is arranged in the equipment body and hinged with the guide frame; the needle feeding device comprises a guide frame, a needle feeding assembly and a reciprocating assembly, wherein the guide frame is provided with a guide needle hole, and the needle feeding assembly is positioned on two sides of the guide needle hole; the power assembly is in transmission connection with the reciprocating assembly, and the power assembly is in transmission connection and disconnection with the needle feeding assembly through movement; the reciprocating assembly is provided with a clamping device for clamping the puncture needle, and the clamping device clamps the puncture needle through pressing.
Furthermore, the adjusting assembly comprises a screw rod, a sliding block, a push rod and a rotating wheel, a containing groove is formed in the upper portion of the equipment body, the screw rod is rotatably arranged in the containing groove, and the sliding block is connected to the screw rod in a threaded mode; one end of the guide frame is hinged to one end of the accommodating groove, one end of the push rod is hinged to the guide frame, the other end of the push rod is hinged to the sliding block, and the rotating wheel is connected to the end portion of the screw rod.
Furthermore, the needle feeding assembly comprises pushing wheels and transmission gears, the pushing wheels are arranged on two sides of the guide needle hole, and annular grooves for pushing the puncture needle are formed in the pushing wheels on the same horizontal plane of the guide needle hole; the transmission gears are located in the guide frame and connected with the pushing wheels, and meshing transmission is performed among the transmission gears.
Further, power component includes motor, driven gear and driving gear, be equipped with the spacing groove on the leading truck, the motor passes through spacing subassembly slidable and locates the spacing inslot, the driving gear connect in the output of motor, driven gear with arbitrary drive gear carries out meshing transmission, the driving gear pass through the motor changeable with driven gear meshes and breaks off.
Furthermore, the reciprocating assembly comprises a push block and a connecting rod, a rectangular hole is formed in the guide frame, and the rectangular hole is communicated with the limiting groove; the pushing block can be movably positioned in the rectangular hole, one end of the connecting rod is hinged to the driving gear, and the other end of the connecting rod is hinged to the bottom of the pushing block; the clamping device is arranged at the upper end of the push block and positioned on two sides of the guide needle hole.
Furthermore, the clamping device comprises a limiting plate, a clamping block, a push plate and a spring, the limiting plate is arranged at the upper end of the push plate, the clamping block and the push plate are respectively arranged at two sides of the limiting plate, the clamping block is connected with the push plate through a rod, and the spring is sleeved on the rod and is positioned between the limiting plate and the push plate; the two sides of the rectangular hole are provided with a plurality of balls, the push plate moves to the ball area through the push block, and the balls and the push plate are in rolling contact to push the clamping block to clamp the puncture needle.
The drawing device can be contained at one end of the guide frame; the drawing device is provided with a circular plunger body which can be movably positioned in the barrel part at the end part of the puncture needle.
Furthermore, the extraction device also comprises a movable rod, an adjusting screw rod, a locking assembly and a supporting part, wherein two sides of the end part of the guide frame are provided with limit holes, the movable rod is hinged to the end part of the limit hole, the adjusting screw rod is in threaded connection with the end part of the movable rod, and the locking assembly is arranged on the movable rod so as to be locked with the guide frame when the movable rod rotates to an angle parallel to the guide needle hole; the supporting part is sleeved at the end part of the adjusting screw rod, and the cylindrical plug body is connected to the supporting part.
Furthermore, a liquid outlet channel is arranged in the cylindrical plug body, and a movable rubber cover is hinged to the middle part in the liquid outlet channel; and a liquid outlet for connecting an external conduit is arranged at one end of the round plunger body, and the liquid outlet is communicated with the liquid outlet channel.
Further, spacing subassembly includes driving lever, change and the lantern ring, the bar hole is located to one side of leading truck, the bar hole with the spacing groove intercommunication, the driving lever passes the spacing groove with the motor is connected, the change is rotatable cup joint in on the driving lever, the lantern ring articulate in on the change, the both sides in bar hole are equipped with the locating lever, the lantern ring through with the locating lever cup joint in order to right the driving lever locks.
Compared with the prior art, the method has the following beneficial effects:
1. the needle feeding assembly and the power assembly are arranged to realize automatic needle feeding and needle discharging of the puncture needle, so that the needle feeding precision of the puncture needle is effectively controlled;
2. the guide frame is integrated on the equipment body, and the angle of the guide frame is adjusted through the adjusting assembly, so that the angle of the puncture needle is adjusted, and the flexibility is high;
3. the guide frame can be stored into the storage groove through the adjusting assembly, so that the complex work of mounting and dismounting the puncture frame during puncture is reduced, and the guide frame can be rapidly stored through the rotating wheel;
4. through the arrangement of the reciprocating assembly, the power assembly drives the reciprocating assembly to move, and meanwhile, the clamping device drives the puncture needle to reciprocate, so that tenosynovitis calcified tissues or other calcified tissues are continuously impacted and smashed at a certain frequency, and the breaking efficiency of the puncture needle on the tenosynovitis calcified tissues or other calcified tissues is improved;
5. by arranging the liquid pumping device and combining the reciprocating assembly, the round plunger body on the liquid pumping device pumps the broken tenosynovitis calcified tissues in the process that the puncture needle continuously moves;
6. the reciprocating assembly is arranged to control the impact mashing frequency and force of the puncture needle so as to reduce the problem that the puncture needle is too forceful to puncture or cannot be broken when the puncture needle is manually operated to impact and mash tenosynovitis calcified tissues or other calcified tissues;
7. through with the leading truck integration on the equipment body to rely on power component to realize the transport and reciprocating motion to the puncture needle, effectively improve operating efficiency, reduce artifical labour cost and time cost.
8. The impact mashing machine has strong applicability, and is not only suitable for impact mashing of calcified tissues of tenosynovitis, but also suitable for impact mashing of calcified tissues of other inflammations.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of an ultrasound device having a guided needle in accordance with the present invention;
FIG. 2 is an axial view of an ultrasound device having a guided needle in accordance with the present invention;
FIG. 3 is a cross-sectional axial view of an ultrasound device with a guided needle of the present invention;
FIG. 4 is a schematic view of the interior of a guide frame of an ultrasound device having a guided needle according to the present invention;
FIG. 5 is an enlarged partial view A of an ultrasound device having a guide needle according to the present invention;
FIG. 6 is an enlarged partial view B of an ultrasound device with a guide needle according to the invention;
FIG. 7 is a schematic view of an ultrasonic apparatus having a guide puncture needle according to an embodiment 4 of the present invention;
FIG. 8 is a 4-axis view of an embodiment of an ultrasonic apparatus having a guide puncture needle according to the present invention;
FIG. 9 is an enlarged partial view C of an ultrasound device having a guide needle in accordance with the present invention;
FIG. 10 is an enlarged partial view of an ultrasound device with a guide needle of the present invention at D;
FIG. 11 is an enlarged, fragmentary, schematic view E of an ultrasound device having a guide needle in accordance with the present invention;
FIG. 12 is a schematic cross-sectional view of a cylindrical plug body of an ultrasound device having a guided needle of the present invention;
FIG. 13 is a schematic view of the locking assembly of an ultrasound device with a guided needle of the present invention.
In the figure, 1-the apparatus body; 2-a guide frame; 3, puncturing needle; 4-ultrasonic probe; 5, puncturing needle; 6-cover body; 11-a receiving groove; 12-a limiting groove; 13-a rectangular hole; 14-a limiting hole; 15-strip shaped holes; 16-a guide groove; 17-a limiting groove; 21-guiding pin holes; 31-a screw; 32-a slide block; 33-a push rod; 34-a rotating wheel; 41-a motor; 42-a driven gear; 43-a drive gear; 51-a push wheel; 52-a drive gear; 61-a push block; 62-a connecting rod; 71-a limiting plate; 72-a clamping block; 73-push plate; 74-a spring; 75-a ball bearing; 81-round plunger body; 82-a movable rod; 83-adjusting screw; 84-a support portion; 91-a deflector rod; 92-swivel; 93-a collar; 94-positioning rod; 101-triangular clamping part; 102-a limit spring; 103-round clamping part; 511-a ring groove; 611-limit protrusions; 811-liquid outlet channel; 812-a rubber cover; 813-liquid outlet.
Detailed Description
For a better understanding of the present invention, its structure, and the functional features and advantages attained by its structure, reference is made to the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings, in which:
example 1:
as shown in fig. 1 to 6, the present invention provides an ultrasonic apparatus with a guide puncture needle, including an apparatus body 1, an end portion of the apparatus body 1 is provided with an ultrasonic probe 4 for diagnosis; the upper part of the equipment body 1 can be accommodated and provided with a guide frame 2, a cover body 5 is detachably arranged on the guide frame 2, and the cover body 5 and the guide frame 2 can be detachably connected in an inserting mode; an adjusting assembly is arranged in the equipment body 1 and hinged with the guide frame 2, so that the angle of the guide frame 2 can be adjusted through the adjusting assembly, and the guide frame 2 can be accommodated in the equipment body 1; the guide frame 2 is provided with a power assembly, a needle feeding assembly and a reciprocating assembly, the guide frame 2 is provided with a guide needle hole 21, and the needle feeding assemblies are positioned at two sides of the guide needle hole 21; the power component is located between needle feeding component and the reciprocating component, the power component is in transmission connection with the reciprocating component, and the power component is in transmission connection and disconnection with the needle feeding component through moving so that the power component can be in transmission connection and disconnection transmission connection with the needle feeding component through moving, and therefore the synchronous operation of the conveying motion and the reciprocating motion of the puncture needle 3 is effectively prevented. By arranging the needle feeding assembly and the power assembly, the automatic needle feeding and needle discharging of the puncture needle 3 are realized, and the needle feeding precision of the puncture needle 3 is effectively controlled.
The reciprocating assembly is provided with a clamping device for clamping the puncture needle 3, the clamping device clamps the puncture needle 3 through pressing, so that the reciprocating assembly is driven by the power assembly to drive the puncture needle 3 to reciprocate together through the clamping device, the puncture needle 3 generates a vibration effect along the needle direction, and tenosynovitis calcified tissues or other calcified tissues are impacted and smashed; by arranging the reciprocating assembly, the power assembly drives the reciprocating assembly to move. The puncture needle 3 is driven to reciprocate by the clamping device, and tenosynovitis calcified tissues or other calcified tissues are continuously impacted and smashed at a certain frequency, so that the removing efficiency of the puncture needle 3 on the tenosynovitis calcified tissues or other calcified tissues is improved; simultaneously, come control pjncture needle 3 striking trituration frequency and dynamics through setting up reciprocal subassembly to reduce artifical manually operation pjncture needle 3 and go to strike and pound the problem that too big puncture or can't break out with strength the undersize when smashing tenosynovitis calcified tissue or other calcified tissue.
Example 2:
as shown in fig. 1 to 6, in combination with the technical solution of embodiment 1, in this embodiment, the adjusting assembly includes a screw 31, a slider 32, a push rod 33 and a rotating wheel 34, the upper portion of the apparatus body 1 is provided with a receiving groove 11, and two ends of the screw 31 are provided with bearings, so that the screw 31 can be rotatably disposed in the receiving groove 11; the sliding block 32 is connected to the screw rod 31 in a threaded manner, the sliding block 32 is of a square structure, the accommodating groove 11 is provided with a strip-shaped groove at the lower part of the screw rod 31, and one end of the sliding block 32 is positioned in the strip-shaped groove, so that the sliding block 32 is limited through the strip-shaped groove in the rotating process of the screw rod 31, and the sliding block 32 connected to the screw rod 31 in a threaded manner moves linearly without rotating along with the screw rod 31; one end of the guide frame 2 is hinged to one end in the accommodating groove 11, one end of the push rod 33 is hinged to the guide frame 2, the other end of the push rod 33 is hinged to the sliding block 32, and the rotating wheel 34 is connected to the end part of the screw rod 31 so as to drive the push rod 33 to move through the linear motion of the sliding block 32 on the screw rod 31, so that the guide frame 2 is pushed to rotate around the hinged part with the equipment body 1 so as to adjust the angle of the guide frame 2 and accommodate the guide frame 2; the guide frame 2 is integrated on the device body 1, so that the angle of the guide frame 2 is adjusted by the adjusting component through the rotating wheel 34, the angle of the puncture needle 3 is adjusted, and the flexibility is high.
Specifically, the needle feeding assembly comprises a pushing wheel 51 and a transmission gear 52, the pushing wheel 51 is arranged on two sides of the guide needle hole 21, the pushing wheel 51 is provided with an annular groove 511 for pushing the puncture needle 3 on the same horizontal plane of the guide needle hole 21, so that the puncture needle 3 is clamped through the annular grooves 511 on the pushing wheels 51 on two sides of the guide needle hole 21, and the puncture needle 3 is pushed through synchronous rotation; the transmission gear 52 is positioned in the guide frame 2 and is connected with the pushing wheel 51 through a shaft, so that the transmission gear 52 drives the pushing wheel 51 to rotate; the transmission gears 52 are in meshing transmission, so that the pushing wheels 51 positioned at the two sides of the guide needle hole 21 rotate reversely to push the puncture needle 3.
Specifically, the power assembly includes a motor 41, a driven gear 42 and a driving gear 43, the motor 41 is a micro motor 41; the guide frame 2 is provided with a limit groove 12, the motor 41 is slidably arranged in the limit groove 12 through a limit component, and the driving gear 43 is connected to the output end of the motor 41; the driven gear 42 is arranged at one side of the transmission gear 52, and the driven gear 42 is in meshing transmission with any one transmission gear 52 so as to enable the two meshed transmission gears 52 to rotate in opposite directions; the driving gear 43 is engaged with and disengaged from the driven gear 42 in a movable and switchable manner by the motor 41; specifically, the motor 41 is slid and positioned by a limit component connected to the motor 41, so that the driving gear 43 on the motor 41 and the driven gear 42 meshed with one side of the driven gear 42 are in meshing transmission and off meshing transmission, and the puncture needle 3 is not reciprocated in the pushing process.
Specifically, the reciprocating assembly comprises a push block 61 and a connecting rod 62, a rectangular hole 13 is formed in the guide frame 2, and the rectangular hole 13 is communicated with the limiting groove 12; the push block 61 can be movably positioned in the rectangular hole 13, one end of the connecting rod 62 is hinged on the driving gear 43, and the other end of the connecting rod 62 is hinged at the bottom of the push block 61; furthermore, two sides of the push block 61 are provided with limiting protrusions 611, two sides in the rectangular hole 13 are provided with limiting grooves 17, and the limiting protrusions 611 are located in the limiting grooves 17 to limit the push block 61, so that the push block 61 can perform linear reciprocating motion in the rectangular hole 13; the clamping device is arranged at the upper end of the push block 61 and positioned at two sides of the guide needle hole 21; further, when the motor 41 is pushed by the limiting component to move to the side far away from the driven gear 42, at this time, the driving gear 43 is disengaged from the driven gear 42 for transmission, and the pushing block 61 enters the clamping area, so that the puncturing needle 3 is clamped by the clamping device, and the puncturing needle 3 is driven by the clamping device to reciprocate by the movement of the pushing block 61.
Specifically, the clamping device comprises a limiting plate 71, a clamping block 72, a push plate 73 and a spring 74, wherein the limiting plate 71 is arranged at the upper end of the push block 61, the clamping block 72 and the push plate 73 are respectively arranged at two sides of the limiting plate 71, the clamping block 72 is connected with the push plate 73 through a rod, and the spring 74 is sleeved on the rod and is positioned between the limiting plate 71 and the push plate 73; a plurality of balls 75 are arranged on two sides of the rectangular hole 13, the push plate 73 moves into the area of the balls 75 through the push block 61, so that the balls 75 and the push plate 73 are in rolling contact to push the clamping block 72 to clamp the puncture needle 3; further, a plurality of balls 75 form a clamping area, when the pushing motor 41 drives the pushing block 61 to enter the clamping area, the pushing plates 73 on both sides of the pushing block 61 are pressed under the action of the convex balls 75, so as to push the clamping block 72 to clamp the puncture needle 3; at this time, the motor 41 is limited and fixed by the limiting component, so that the clamping device is always positioned in the clamping area to perform reciprocating motion; when the puncture needle 3 does not need to be reciprocated, the motor 41 is pushed to one side of the driven gear 42 by the limiting component, so that the push plate 73 is separated from the clamping area, and the clamping block 72 is separated from the puncture needle 3 under the action of the spring 74.
Example 3:
as shown in fig. 5, with reference to the technical solutions of embodiment 1 and embodiment 2, in this embodiment, the limiting assembly includes a shift lever 91, a rotating ring 92 and a sleeve ring 93, one side of the guide frame 2 is disposed in a strip-shaped hole 15, the strip-shaped hole 15 is communicated with a limiting groove 12, the shift lever 91 passes through the limiting groove 12 and is connected to the motor 41, the rotating ring 92 is rotatably sleeved on the shift lever 91, the sleeve ring 93 is hinged on the rotating ring 92, positioning rods 94 are disposed on two sides of the strip-shaped hole 15, and the sleeve ring 93 is sleeved with the positioning rods 94 to lock the shift lever 91; through cup jointing swivel 92 on driving lever 91 to when making swivel 92 follow driving lever 91 and move to bar hole 15 both sides, the accessible rotates swivel 92 and realizes sleeving lantern ring 93 on locating lever 94 and lock motor 41, appears in order to reduce the problem that motor 41 rocked in the driven in-process.
Example 4:
as shown in fig. 7 to 13, in combination with the technical solutions of embodiments 1 to 3, in this embodiment, the ultrasound apparatus further includes an extraction device, and the extraction device is receivable and arranged at one end of the guide frame 2; the extraction device is provided with a circular plunger body 81, the circular plunger body 81 can be movably positioned in the barrel part at the end part of the puncture needle 3, and because the circular plunger body 81 is fixed, the circular plunger body 81 performs relative piston motion in the barrel part at the end part of the puncture needle 3 in the reciprocating motion process of the puncture needle 3 so as to extract tenosynovitis calcified tissues or other calcified tissues after the needle head end of the puncture needle 3 is broken.
Specifically, the extraction device further comprises a movable rod 82, an adjusting screw 83, a locking assembly and a support part 84, wherein two sides of the end part of the guide frame 2 are provided with limit holes 14, the movable rod 82 is hinged to the end part of the limit holes 14, the adjusting screw 83 is in threaded connection with the end part of the movable rod 82, and the locking assembly is arranged on the movable rod 82 so as to be locked with the guide frame 2 when the movable rod 82 rotates to an angle parallel to the guide needle hole 21; the supporting part 84 is sleeved on the end part of the adjusting screw 83, so that the adjusting screw 83 can be rotatably arranged on the supporting part 84, and the distance between the supporting part 84 and the movable rod 82 can be adjusted by rotating the adjusting screw 83; the circular plunger body 81 is connected to the support portion 84.
Specifically, the locking assembly comprises a triangular clamping part 101 and a limiting spring 102 which are arranged at a certain angle, the triangular clamping part 101 is arranged on the movable rod 82, the limiting spring 102 is arranged in the movable rod 82, and the limiting spring 102 is connected to the end part of the triangular clamping part 101; the limiting device further comprises a circular clamping part 103, a guide groove 16 is formed in one side of the limiting hole 14, and the circular clamping part 103 is located in the guide groove 16; when the movable rod 82 rotates to a position parallel to the guide needle hole 21 around the hinged position of the end part, the circular clamping part 103 moves to the end part of the guide groove 16 to be clamped in a clockwise rotation mode, at the moment, the triangular clamping part 101 is separated from the extrusion of the limiting hole 14, pops out under the action of the limiting spring 102 and abuts against the end face of the guide frame 2, so that the movable rod 82 is clamped in an anticlockwise rotation mode, the movable rod 82 is completely locked, the problem that the puncture needle 3 is bent due to the fact that the movable rod 82 shakes in the piston movement process of the puncture needle 3 is effectively solved, and the matching accuracy of the circular plunger body 81 and the barrel part of the puncture needle 3 is effectively improved.
Specifically, a liquid outlet channel 811 is arranged in the cylindrical plug body 81, and a movable rubber cover 812 is hinged to the middle part in the liquid outlet channel 811, so that the cylindrical plug body 81 performs piston motion on the cylindrical part of the puncture needle 3 through the reciprocating motion of the puncture needle 3, and the extraction of the crushed tenosynovitis calcified tissues or other calcified tissues is realized through the motion of the rubber cover 812; one end of the round plunger body 81 is provided with a liquid outlet 813 for connecting an external conduit, and the liquid outlet 813 is communicated with the liquid outlet channel 811.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings set forth above, without departing from the scope of the claimed solution. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (6)
1. An ultrasonic device with a guide puncture needle comprises an equipment body (1), wherein an ultrasonic probe (4) is arranged at the end part of the equipment body (1); the device is characterized in that a guide frame (2) can be contained at the upper part of the device body (1), and a cover body (5) is detachably arranged on the guide frame (2); an adjusting assembly is arranged in the equipment body (1) and hinged with the guide frame (2); the needle feeding device is characterized in that a power assembly, a needle feeding assembly and a reciprocating assembly are arranged on the guide frame (2), a guide needle hole (21) is formed in the guide frame (2), and the needle feeding assembly is located on two sides of the guide needle hole (21); the power assembly is in transmission connection with the reciprocating assembly, and the power assembly is in transmission connection and disconnection with the needle feeding assembly through movement; the reciprocating assembly is provided with a clamping device for clamping the puncture needle (3), and the clamping device clamps the puncture needle (3) through pressing;
the needle feeding assembly comprises a pushing wheel (51) and a transmission gear (52), the pushing wheel (51) is arranged on two sides of the guide needle hole (21), and an annular groove (511) for pushing the puncture needle (3) is formed in the position, on the same horizontal plane, of the pushing wheel (51) on the guide needle hole (21); the transmission gear (52) is positioned in the guide frame (2) and connected with the pushing wheel (51), and the transmission gear (52) is in meshing transmission;
the power assembly comprises a motor (41), a driven gear (42) and a driving gear (43), a limiting groove (12) is formed in the guide frame (2), the motor (41) is slidably arranged in the limiting groove (12) through the limiting assembly, the driving gear (43) is connected to the output end of the motor (41), the driven gear (42) is in meshing transmission with any one of the transmission gears (52), and the driving gear (43) is in meshing and disconnecting with the driven gear (42) in a switchable manner through the motor (41);
the reciprocating assembly comprises a push block (61) and a connecting rod (62), a rectangular hole (13) is formed in the guide frame (2), and the rectangular hole (13) is communicated with the limiting groove (12); the push block (61) can be movably positioned in the rectangular hole (13), one end of the connecting rod (62) is hinged to the driving gear (43), and the other end of the connecting rod (62) is hinged to the bottom of the push block (61); the clamping device is arranged at the upper end of the push block (61) and positioned at two sides of the guide needle hole (21);
the clamping device comprises a limiting plate (71), a clamping block (72), a push plate (73) and a spring (74), wherein the limiting plate (71) is arranged at the upper end of the push block (61), the clamping block (72) and the push plate (73) are respectively arranged at two sides of the limiting plate (71), the clamping block (72) is connected with the push plate (73) through a rod, and the spring (74) is sleeved on the rod and is positioned between the limiting plate (71) and the push plate (73); the two sides of the rectangular hole (13) are provided with a plurality of balls (75), the push plate (73) moves to the area of the balls (75) through the push block (61), and the balls (75) and the push plate (73) are in rolling contact to push the clamping block (72) to clamp the puncture needle (3).
2. The ultrasonic device with the guide puncture needle according to claim 1, wherein the adjustment assembly comprises a screw rod (31), a slide block (32), a push rod (33) and a rotating wheel (34), a receiving groove (11) is formed in the upper portion of the device body (1), the screw rod (31) is rotatably arranged in the receiving groove (11), and the slide block (32) is connected to the screw rod (31) in a threaded manner; one end of the guide frame (2) is hinged to one end of the accommodating groove (11), one end of the push rod (33) is hinged to the guide frame (2), the other end of the push rod (33) is hinged to the sliding block (32), and the rotating wheel (34) is connected to the end portion of the screw rod (31).
3. An ultrasound device with a guided puncture needle according to claim 1, characterized by further comprising an extraction device receivable at one end of the guide frame (2); the drawing device is provided with a circular plunger body (81), and the circular plunger body (81) can be movably positioned in the barrel part at the end part of the puncture needle (3).
4. The ultrasonic device with the guide puncture needle according to claim 3, wherein the extraction device further comprises a movable rod (82), an adjusting screw (83), a locking assembly and a support part (84), two sides of the end part of the guide frame (2) are provided with limit holes (14), the movable rod (82) is hinged to the end part of the limit hole (14), the adjusting screw (83) is in threaded connection with the end part of the movable rod (82), and the locking assembly is arranged on the movable rod (82) so that the movable rod (82) can be locked with the guide frame (2) when rotating to an angle parallel to the guide puncture needle hole (21); the supporting part (84) is sleeved on the end part of the adjusting screw rod (83), and the round plunger body (81) is connected to the supporting part (84).
5. The ultrasonic device with the guide puncture needle according to claim 4, wherein a liquid outlet channel (811) is arranged in the round plunger body (81), and a movable rubber cover (812) is hinged in the middle of the liquid outlet channel (811); one end of the round plunger body (81) is provided with a liquid outlet (813) used for being connected with an external conduit, and the liquid outlet (813) is communicated with the liquid outlet channel (811).
6. The ultrasonic device with the guide puncture needle according to claim 1, wherein the limiting component comprises a shifting rod (91), a rotating ring (92) and a sleeve ring (93), one side of the guide frame (2) is provided with a strip-shaped hole (15), the strip-shaped hole (15) is communicated with the limiting groove (12), the shifting rod (91) penetrates through the limiting groove (12) to be connected with the motor (41), the rotating ring (92) is rotatably sleeved on the shifting rod (91), the sleeve ring (93) is hinged on the rotating ring (92), positioning rods (94) are arranged on two sides of the strip-shaped hole (15), and the sleeve ring (93) is sleeved with the positioning rods (94) to lock the shifting rod (91).
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| CN202010843357.1A CN111938785B (en) | 2020-08-20 | 2020-08-20 | Ultrasonic device with guide puncture needle |
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| US4747414A (en) * | 1985-02-20 | 1988-05-31 | Biologie Et Industrie S.A.R.L. | Instrument for bone marrow puncture |
| US20120259221A1 (en) * | 2011-04-05 | 2012-10-11 | Houston Medical Robotics, Inc. | Robotic insertion systems and methods |
| CN108433791A (en) * | 2018-04-26 | 2018-08-24 | 王燕青 | Adjustable needle angle sting device and its system and control method |
| CN110623711A (en) * | 2019-10-15 | 2019-12-31 | 胡瑜 | Interventional ultrasound-assisted system and method of use |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747414A (en) * | 1985-02-20 | 1988-05-31 | Biologie Et Industrie S.A.R.L. | Instrument for bone marrow puncture |
| US20120259221A1 (en) * | 2011-04-05 | 2012-10-11 | Houston Medical Robotics, Inc. | Robotic insertion systems and methods |
| CN108433791A (en) * | 2018-04-26 | 2018-08-24 | 王燕青 | Adjustable needle angle sting device and its system and control method |
| CN110623711A (en) * | 2019-10-15 | 2019-12-31 | 胡瑜 | Interventional ultrasound-assisted system and method of use |
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