CN116725704A

CN116725704A - Needle searching device

Info

Publication number: CN116725704A
Application number: CN202310845613.4A
Authority: CN
Inventors: 黄彩虹
Original assignee: First Affiliated Hospital of Gannan Medical University
Current assignee: First Affiliated Hospital of Gannan Medical University
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-09-12

Abstract

The invention relates to a needle finder, in particular to a needle finder, which belongs to the technical field of medical treatment and comprises a needle finding cylinder, wherein a functional plate is rotatably arranged on the outer side of the needle finding cylinder, a sensing block is fixedly arranged at the center position of the outer side of the functional plate, an operating rod is sleeved on the outer side of the sensing block, a lever structure is arranged between the operating rod and the sensing block, one end of the functional plate is provided with a strong electromagnetic adsorption plate, an adjusting gear bar is connected with the inner sliding of the functional plate in a clamping manner, and a metal detector is fixedly arranged at the other end of the adjusting gear bar.

Description

Needle searching device

Technical Field

The invention relates to a needle finder, and belongs to the technical field of medical appliances.

Background

Surgery refers to the treatment of a doctor with medical instruments such as excision, suturing, etc. of a patient's body. The health of the patient is maintained by the operation of the knife, the scissors, the needle and other instruments on the local part of the human body. Is the main treatment method of surgery and is commonly called as "open operation". The purpose is to cure or diagnose diseases, such as removing pathological tissues, repairing injuries, transplanting organs, improving functions and morphology of organisms, and the like. Early surgery was limited to simple manual procedures for cutting, incising, suturing, such as abscess drainage, tumor excision, traumatic suturing, etc., on the body surface. Surgery is a procedure that disrupts tissue integrity (dissection) or restores tissue with its integrity disrupted (suturing). With the development of surgery, the surgical field is expanding continuously, and the surgery can be performed on any part of the human body. The applied instruments are also updated continuously, such as a plurality of surgical knives, namely electric knives, microwave knives, ultrasonic knives, laser knives and the like. The operation has a wider meaning.

After the operation, medical staff needs to count instruments such as a knife, a scissors and a needle, and the needle is inconvenient to search because of small volume, and the existing device is an operating room nursing needle finder (with a publication number of CN 114631862A) which can independently extend a magnet and is convenient to search for a cabinet bottom or a small gap. The needle finder for nursing in the operating room comprises a mounting plate, a first mounting frame, a mounting plate, a rotating rod, a roller and the like; the mounting plate bottom is equipped with first mounting bracket, and the slidingtype is equipped with the mounting panel on the first mounting bracket, and the mounting panel left side rotation is equipped with the bull stick, and both sides all are equipped with the cylinder around the bull stick. The extension pole can prolong this device, and the staff of being convenient for vertically promotes this device and removes, and when the magnetic path moved near the sewing needle, the magnetic path can adsorb the sewing needle, simultaneously, because the mounting panel can slide back and forth, and then makes the cylinder drive the magnetic path and stretches out, conveniently explores places such as the cupboard is below, conveniently takes out the sewing needle that drops to the cabinet bottom.

The device can conveniently adsorb the apparatus at the bottom of the cabinet and take out, however, the device is small in size and fixed, the area of probing is limited in each movement, and a user needs to circularly move for many times to complete comprehensive probing work on the inside of the operation room, so that the device is lower in working efficiency.

Disclosure of Invention

The invention aims to solve the problems and provide a needle finder, which can enable a user to quickly combine the length of a device according to needs so as to adjust the exploration area of the device, thereby improving the efficiency of the user to explore the appliance.

The needle finder comprises a needle finding cylinder, a functional plate is rotatably arranged on the outer side of the needle finding cylinder, an induction block is fixedly arranged at the center position of the outer side of the functional plate, an operating rod is sleeved on the outer side of the induction block, a lever structure is arranged between the operating rod and the induction block, a strong electromagnetic adsorption plate is arranged at one end of the functional plate, an adjusting gear bar is connected in a sliding manner in the functional plate, and a metal detector is fixedly arranged at the other end of the adjusting gear bar.

Preferably, in order to facilitate operation of the device for moving work, a rotary mounting groove is formed in the center position of the outer surface of the needle searching cylinder, a rotary bearing is embedded in the rotary mounting groove, the functional plate is fixedly mounted on the outer surface of the rotary bearing, electromagnetic pipes are fixedly sleeved at two ends of the needle searching cylinder, the outer surfaces of the electromagnetic pipes are mutually attached to the inner surface of the functional plate, a power groove is formed in the needle searching cylinder, a storage battery is embedded in the power groove, an induction groove is formed in one end of an operation rod, a supporting spring is fixedly mounted in the induction groove, the other end of the supporting spring is fixedly connected with the induction block, one end of a lever structure is clamped with the induction groove in a sliding manner, an adjusting threaded groove is formed in the other end of the operation rod, an operation threaded rod is meshed in a rotary manner in the adjusting threaded groove, a positioning nut is sleeved on the outer side of the operation threaded rod, an operation handle is fixedly mounted at the other end of the operation threaded rod, a connecting threaded rod is meshed in a connecting manner in the operation handle, and the connecting threaded rod is meshed in a connecting manner.

Preferably, in order to improve the detection precision of the device to the detection instrument, the lever structure comprises a U-shaped supporting frame, two sides of the lower end of the U-shaped supporting frame are rotatably installed in the induction groove, amplification rods are rotatably installed on the inner sides of two ends of the U-shaped supporting frame, the lower sides of the amplification rods are rotatably installed in the induction groove, pushing rods are rotatably installed at the other ends of the amplification rods, the lower sides of the pushing rods are transversely clamped in the induction groove, connecting plates are rotatably installed between the other ends of the pushing rods, and the connecting plates are in sliding clamping connection with each other between the operating rods.

Preferably, in order to adjust the state of strong electromagnetic adsorption board improves the effect of collecting to the needle of device, the one end outside fixed mounting of function board has the regulating plate, the regulation screw hole has been seted up to the regulating plate inside, the upper surface both ends of strong electromagnetic adsorption board all are provided with the direction regulating plate, fixed mounting has two-way regulating motor between the direction regulating plate, two-way regulating motor's surface fixed mounting has electric adjustment threaded rod, electric adjustment threaded rod with the mutual rotation meshing between the regulation screw hole, the four corners lower surface of strong electromagnetic adsorption board is all inlayed and is installed magnetism and inhale distance sensor.

Preferably, for nimble regulation the position of metal detector, arc adjustment tank has all been seted up to the both sides of function board, the inside slip joint in arc adjustment tank has the arc regulating plate, adjust gear strip fixed mounting in the surface of arc regulating plate, metal detector fixed mounting in the one end of arc regulating plate, one end surface fixed mounting of function board has two-way detection accommodate motor, the equal fixed mounting of output of two-way detection accommodate motor has drive gear, drive gear with intermesh between the adjusting gear strip, metal detector's lower surface mosaic installs detection distance sensor.

Preferably, in order to improve flexibility of the device in use, the needle searching cylinder comprises a left short cylinder, a middle long cylinder and a right short cylinder, the middle long cylinder is mounted at the central position of the device, the left short cylinder is mounted at one end of the device, the right short cylinder is mounted at the other end of the device, the metal detector comprises a short detector and a long detector, the short detector is mounted at one side of the left short cylinder and one side of the right short cylinder respectively, the long detector is mounted at one side of the middle long cylinder, the operation handle comprises a long rod and a short rod, the long rod is mounted at one end of the middle long cylinder, and the short rod is mounted at one side of the left short cylinder and one side of the right short cylinder respectively.

Preferably, in order to improve flexibility and convenience when the device is combined, side fastening latch is fixedly installed on one side of the left short cylinder, a middle connecting latch is formed in one end of the middle long cylinder, the middle connecting latch and the side fastening latch are in sliding clamping connection with each other, a side fastening thread groove is formed in the center position of the side fastening latch, a middle electric tightening screw is installed in the middle connecting latch in an embedded mode, the middle electric tightening screw and the side fastening thread groove are in mutual rotary meshing, a middle fastening latch is fixedly installed on one side of the middle long cylinder, a side connecting latch is formed in one end of the right short cylinder, the side connecting latch and the middle fastening latch are in sliding clamping connection with each other, a middle fastening thread groove is formed in the center position of the middle fastening latch, a side electric tightening screw is installed in the side connecting latch in an embedded mode, the side electric tightening screw and the middle fastening thread groove are in mutual rotary meshing with each other, and specifications between the side fastening latch and the middle fastening latch are identical.

The beneficial effects of the invention are as follows: the combined structure is used, so that a user can quickly adjust the length of the combined device and the exploration area of the device according to needs, the exploration efficiency of the user on the appliance is improved, the user can quickly sense the exploration condition of the device through the lever structure, the use efficiency of the device is improved, and the user can quickly position and collect the appliance through the strong electromagnetic adsorption plate and the metal detector.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the main sectional structure of the present invention.

Fig. 3 is a partial enlarged view at a in fig. 1.

Fig. 4 is a schematic structural view of a long barrel portion in the present invention.

Fig. 5 is a schematic structural view of a left stub portion of the present invention.

Fig. 6 is a schematic view of the structure of the right short cylinder part of the present invention.

Fig. 7 is a schematic view showing a connection structure of the lever portion in the present invention.

Fig. 8 is a schematic view showing the overall structure of the functional board portion in the present invention.

In the figure: 1. searching for a needle cylinder; 11. a left short cylinder; 111. side fastening latch; 12. a middle-long cylinder; 121. a middle electric tightening screw; 122. middle fastening latch; 13. a right short cylinder; 131. a side electric tightening screw; 101. a rotating bearing; 102. an electromagnetic tube; 103. a storage battery; 2. a function board; 3. an induction block; 4. an operation lever; 401. a support spring; 402. operating the threaded rod; 403. positioning a nut; 404. an operating handle; 405. connecting a threaded rod; 5. a lever structure; 501. a U-shaped supporting frame; 502. an amplifying rod; 503. a push rod; 504. a connecting plate; 6. a strong electromagnetic adsorption plate; 601. an adjusting plate; 602. a bidirectional regulating motor; 603. electrically adjusting the threaded rod; 604. a magnetic attraction distance sensor; 7. adjusting the gear strip; 701. an arc-shaped adjusting plate; 702. a bidirectional detection adjusting motor; 703. detecting a distance sensor; 8. a metal detector.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-8, a needle finder comprises a needle finding cylinder 1, a functional board 2 is rotatably mounted on the outer side of the needle finding cylinder 1, an induction block 3 is fixedly mounted on the center position of the outer side of the functional board 2, an operation rod 4 is sleeved on the outer side of the induction block 3, a lever structure 5 is mounted between the operation rod 4 and the induction block 3, a strong electromagnetic adsorption plate 6 is mounted at one end of the functional board 2, an adjusting gear bar 7 is slidably clamped in the functional board 2, and a metal detector 8 is fixedly mounted at the other end of the adjusting gear bar 7.

As shown in fig. 1, a rotation mounting groove is formed in the center of the outer surface of the needle searching cylinder 1, a rotation bearing 101 is mounted in the rotation mounting groove in an embedded manner, a functional board 2 is fixedly mounted on the outer surface of the rotation bearing 101, electromagnetic pipes 102 are fixedly sleeved at two ends of the needle searching cylinder 1, the outer surfaces of the electromagnetic pipes 102 are mutually attached to the inner surfaces of the functional board 2, a power groove is formed in the needle searching cylinder 1, a storage battery 103 is mounted in the power groove in an embedded manner, an induction groove is formed in one end of an operation rod 4, a supporting spring 401 is fixedly mounted in the induction groove, the other end of the supporting spring 401 is fixedly connected with an induction block 3, one end of a lever structure 5 is in sliding clamping connection with the induction groove, an adjusting thread groove is formed in the other end of the operation rod 4, an operation threaded rod 402 is meshed in a rotating manner in the adjusting thread groove, an operation handle 404 is fixedly mounted at the other end of the operation threaded rod 402, a connection threaded hole is formed in the operation handle 404, and the connection threaded rod 405 is meshed in the rotation of the connection threaded hole so that the operation device can be operated to move.

As shown in fig. 3, the lever structure 5 includes a U-shaped supporting frame 501, two sides of the lower end of the U-shaped supporting frame 501 are rotatably mounted in the induction groove, two inner sides of two ends of the U-shaped supporting frame 501 are rotatably mounted with an amplifying rod 502, the lower side of the amplifying rod 502 is rotatably mounted in the induction groove, the other end of the amplifying rod 502 is rotatably mounted with a pushing rod 503, the lower side of the pushing rod 503 is transversely clamped in the induction groove, a connecting plate 504 is rotatably mounted between the other ends of the pushing rod 503, and the connecting plate 504 and the operating rod 4 are slidably clamped with each other, so as to improve the detection precision of the detection device on the detection instrument.

As shown in fig. 6, an adjusting plate 601 is fixedly mounted at the outer side of one end of the functional plate 2, an adjusting threaded hole is formed in the adjusting plate 601, direction adjusting plates are arranged at two ends of the upper surface of the strong electromagnetic adsorption plate 6, a bidirectional adjusting motor 602 is fixedly mounted between the direction adjusting plates, an electric adjusting threaded rod 603 is fixedly mounted on the outer surface of the bidirectional adjusting motor 602, the electric adjusting threaded rod 603 is meshed with the adjusting threaded holes in a mutually rotating mode, and magnetic attraction distance sensors 604 are mounted on the lower surfaces of four corners of the strong electromagnetic adsorption plate 6 in an embedded mode so as to adjust the collecting effect of the state improving device of the strong electromagnetic adsorption plate 6 on needles.

As shown in fig. 5, arc-shaped adjusting grooves are formed in two sides of the functional board 2, the arc-shaped adjusting plates 701 are connected to the inner sliding joints of the arc-shaped adjusting grooves, the adjusting gear strips 7 are fixedly mounted on the outer surfaces of the arc-shaped adjusting plates 701, the metal detector 8 is fixedly mounted at one end of the arc-shaped adjusting plates 701, the bidirectional detecting adjusting motor 702 is fixedly mounted at one end outer surface of the functional board 2, driving gears are fixedly mounted at the output ends of the bidirectional detecting adjusting motor 702, the driving gears are meshed with the adjusting gear strips 7, and the detecting distance sensor 703 is mounted on the lower surface of the metal detector 8 in an embedded mode so as to flexibly adjust the positions of the metal detector 8.

As shown in fig. 1, the needle searching cylinder 1 comprises a left short cylinder 11, a middle long cylinder 12 and a right short cylinder 13, wherein the middle long cylinder 12 is installed at the central position of the device, the left short cylinder 11 is installed at one end of the device, the right short cylinder 13 is installed at the other end of the device, the metal detector 8 comprises a short detector 81 and a long detector 82, the short detector 81 is respectively installed at one sides of the left short cylinder 11 and the right short cylinder 13, the long detector 82 is installed at one side of the middle long cylinder 12, the operating handle 404 comprises a long rod and a short rod, the long rod is installed at one end of the middle long cylinder 12, and the short rod is respectively installed at one sides of the left short cylinder 11 and the right short cylinder 13, so that the flexibility of the device in use is improved.

As shown in fig. 2, a side fastening latch 111 is fixedly installed on one side of the left short cylinder 11, a middle connection latch groove is formed at one end of the middle long cylinder 12, a middle fastening latch groove is formed at the center position of the side fastening latch 111, a side fastening screw groove is formed at the center position of the side fastening latch 111, a middle electric fastening screw 121 is embedded in the middle connection latch groove, the middle electric fastening screw 121 and the side fastening screw groove are meshed in a mutually rotating manner, a middle fastening latch 122 is fixedly installed on one side of the middle long cylinder 12, a side connection latch groove is formed at one end of the right short cylinder 13, the side connection latch groove and the middle fastening latch 122 are clamped in a mutually sliding manner, a middle fastening screw groove is formed at the center position of the middle fastening latch 122, a side electric fastening screw 131 is embedded in the side connection latch groove, the side electric fastening screw 131 and the middle fastening screw groove are meshed in a mutually rotating manner, and specifications between the side fastening latch 111 and the middle fastening latch 122 are identical, so that flexibility and convenience in device combination are improved.

When the invention is used, a user fills the inside of the storage battery 103 with electric power, selects a proper number of needle searching cylinders 1 according to the requirement, operates the device, the detection width of the minimum area is the width of a single left short cylinder 11 or right short cylinder 13, then the left short cylinder 11 and the right short cylinder 13 can be combined for use, one side of the left short cylinder 11 is fixedly provided with a side fastening latch 111, one end of the right short cylinder 13 is provided with a side connecting latch groove, the center position of the side fastening latch 111 is provided with a side fastening thread groove, the inside of the side connecting latch groove is embedded with a side electric tightening screw 131, the side connecting latch groove and the side fastening thread groove are mutually meshed in a sliding way, the left short cylinder 11 and the right short cylinder 13 are tightly and stably connected, the total length of the device is smaller than the length of the middle and long cylinder 12, the user can select to add a left short tube 11 or a right short tube 13 at two ends of the middle long tube 12 to further increase the detection width of the device, and can add the middle long tube 12 between the middle long tube 12 and the left short tube 11 or the right short tube 13, one end of the middle long tube 12 is provided with a middle connecting clamping groove, the middle connecting clamping groove and the side fastening clamping teeth 111 are in sliding clamping connection with each other, a middle electric tightening screw 121 is embedded in the middle connecting clamping groove, the middle electric tightening screw 121 is in mutual rotation engagement with the side fastening screw groove, a middle fastening screw 131 is provided in the center position of the middle fastening clamping teeth 122, a side electric tightening screw 131 is embedded in mutual rotation engagement with the middle fastening screw groove, the specifications between the side fastening clamping teeth 111 and the middle fastening clamping teeth 122 are identical, the coverage length of the device is further increased, the flexibility of the device in use is improved.

The user adjusts the length of the operating rod 4, rotates the operating handle 404 to drive the operating threaded rod 402 and the operating threaded groove to generate a spiral force to push the operating threaded rod 402 to extend to a proper length, rotates the positioning nut 403 to be in mutual precise contact with the operating rod 4, fixes the position of the operating threaded rod 402, uses the connecting threaded rod 405 to tightly connect the long rod with the short rod, pushes the device to move through the operating handle 404, adjusts the distance between the metal detector 8 and the ground, drives the driving gear to rotate by starting the bidirectional detection motor to push the adjusting gear 7 to move, drives the metal detector 8 to rotate around the needle searching cylinder 1 to a proper angle, when the device moves, the bidirectional detection motor is controlled to operate through the detection distance sensor 703, then the metal detector 8 is driven to move, the proper distance is kept between the metal detector 8 and the ground, the flexibility and convenience of the device in use are improved, the distance between the strong electromagnetic adsorption plate 6 and the ground is controlled through the magnetic attraction distance sensor 604, the non-contact state is kept, the electric adjustment threaded rod 603 is opened, the screw force is generated between the electric adjustment threaded rod 603 and the adjustment threaded hole to drive the strong electromagnetic adsorption plate 6 to lift, the basic distance between the strong electromagnetic adsorption plate 6 and the ground is controlled, the strong electromagnetic adsorption plate 6 is driven to rotate through the bidirectional adjustment motor 602, the direction of the adjustment plate 601 is adjusted, and the searching and collecting efficiency of the device on the needle is improved.

When the electromagnetic tube 102 is opened and passes through the upper surface of the needle, one end of the needle searching cylinder 1 slightly ascends to push the lever structure 5 to rotate, two sides of the lower end of the U-shaped supporting frame 501 are rotatably installed inside the induction groove, two inner sides of the two ends of the U-shaped supporting frame 501 are rotatably provided with the amplifying rod 502, the lower side of the amplifying rod 502 is rotatably installed inside the induction groove, the other end of the amplifying rod 502 is rotatably provided with the pushing rod 503, the lower side of the pushing rod 503 is transversely clamped inside the induction groove, the other end of the pushing rod 503 is rotatably provided with the connecting plate 504, the connecting plate 504 is in sliding clamping connection with the operating rod 4, the moving distance of the needle searching cylinder 1 is gradually enlarged through the U-shaped supporting frame 501, the amplifying rod 502 and the pushing rod 503, and then the operating rod 4 and the induction block 3 are relatively displaced, at the moment, a user can obviously feel the reaction of the device, the user can rapidly respond to the specific position of the needle through the metal detector 8, the operating efficiency of the needle inside the device is improved, the electromagnetic tube 102 adsorbs the needle on the outer surface, the electromagnetic tube 102 is adsorbed on the electromagnetic tube 102, the electromagnetic tube 102 is adsorbed on the surface of the needle 2, the electromagnetic tube is adsorbed on the electromagnetic tube 2, the electromagnetic tube is separated from the electromagnetic tube 2, and the electromagnetic tube is adsorbed on the needle 2, and the electromagnetic tube is conveniently adsorbed on the needle, and the needle is conveniently adsorbed on the needle.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a seek needle ware which characterized in that: including seeking cylinder (1), seek the outside rotation of cylinder (1) and install function board (2), function board (2) outside central point puts fixed mounting and has response piece (3), the outside cover of response piece (3) is equipped with action bars (4), action bars (4) with install lever structure (5) between response piece (3), strong electromagnetism adsorption plate (6) are installed to the one end of function board (2), the inside slip joint of function board (2) has adjusting gear strip (7), the other end fixed mounting of adjusting gear strip (7) has metal detector (8).

2. A needle finder as claimed in claim 1, wherein: the utility model discloses a power unit, including needle cylinder (1), function board (2), electromagnetism pipe (102), power unit and battery (103) are installed in the inside inlay of needle cylinder (1), the surface central point who seeks needle cylinder (1) has offered and has rotated the mounting groove, rotation bearing (101) is installed to the inside inlay of rotation mounting groove, function board (2) fixed mounting in the surface of rotation bearing (101), the both ends that seek needle cylinder (1) are all fixed cover, the surface of electromagnetism pipe (102) with the internal surface of function board (2) is laminated each other.

3. A needle finder as claimed in claim 1, wherein: the utility model discloses a portable electronic device, including control rod (4), handle, connecting screw hole, adjusting screw thread groove's inside rotation meshing has operation threaded rod (402), positioning nut (403) are equipped with to the outside cover of operation threaded rod (402), the other end fixed mounting of operation threaded rod (402) has operation handle (404), connecting screw hole has been seted up to the inside of operation handle (404), connecting screw hole's inside rotation meshing has connection threaded rod (405) between the one end of lever structure (5) with mutual slip joint between the induction groove, the one end of operation rod (4) has been seted up.

4. A needle finder as claimed in claim 3, wherein: the lever structure (5) comprises a U-shaped supporting frame (501), wherein two sides of the lower end of the U-shaped supporting frame (501) are rotatably mounted in the induction groove, amplification rods (502) are rotatably mounted on the inner sides of two ends of the U-shaped supporting frame (501), the lower sides of the amplification rods (502) are rotatably mounted in the induction groove, pushing rods (503) are rotatably mounted at the other ends of the amplification rods (502), pushing rods (503) are transversely clamped in the induction groove, connecting plates (504) are rotatably mounted between the other ends of the pushing rods (503), and the connecting plates (504) are in sliding clamping connection with each other between the operating rods (4).

5. A needle finder as claimed in claim 1, wherein: one end outside fixed mounting of function board (2) has regulating plate (601), regulating screw hole has been seted up to regulating plate (601) inside, the upper surface both ends of strong electromagnetic adsorption board (6) all are provided with and transfer to the board, it has two-way accommodate motor (602) to transfer to fixed mounting between the board, the surface fixed mounting of two-way accommodate motor (602) has electric adjustment threaded rod (603), electric adjustment threaded rod (603) with mutual rotation meshing between the regulating screw hole, the four corners lower surface of strong electromagnetic adsorption board (6) is all inlayed and is installed magnetism and inhale distance sensor (604).

6. A needle finder as claimed in claim 1, wherein: arc adjustment tank has all been seted up to the both sides of function board (2), the inside slip joint in arc adjustment tank has arc adjustment board (701), adjust gear strip (7) fixed mounting in the surface of arc adjustment board (701), metal detector (8) fixed mounting in the one end of arc adjustment board (701), the one end surface fixed mounting of function board (2) has two-way detection accommodate motor (702), the equal fixed mounting of output of two-way detection accommodate motor (702) has drive gear, drive gear with intermesh between adjustment gear strip (7), the lower surface mosaic of metal detector (8) is installed and is surveyed distance sensor (703).

7. A needle finder as claimed in claim 3, wherein: the needle searching cylinder (1) comprises a left short cylinder (11), a middle long cylinder (12) and a right short cylinder (13), wherein the middle long cylinder (12) is arranged at the center of the device, the left short cylinder (11) is arranged at one end of the device, the right short cylinder (13) is arranged at the other end of the device, the metal detector (8) comprises a short detector (81) and a long detector (82), the short detector (81) is respectively arranged at one side of the left short cylinder (11) and one side of the right short cylinder (13), the long detector (82) is arranged at one side of the middle long cylinder (12), the operating handle (404) comprises a long rod and a short rod, the long rod is arranged at one end of the middle long cylinder (12), and the short rod is respectively arranged at one side of the left short cylinder (11) and one side of the right short cylinder (13).

8. A needle finder as defined in claim 7, wherein: side fastening latch (111) are fixedly installed on one side of a left short cylinder (11), well connection latch (111) are seted up to one end of a well long cylinder (12), well connection latch with slide joint each other between side fastening latch (111), side fastening screw thread groove has been seted up to the central point of side fastening latch (111), well electronic tight position screw rod (121) are inlayed to the inside of well connection latch, well electronic tight position screw rod (121) with mutual rotation meshing between the side fastening screw thread groove, well fastening latch (122) are fixedly installed on one side of a well long cylinder (12), side connection latch has been seted up to one end of a right short cylinder (13), side connection latch with slide joint each other between well fastening latch (122), well fastening screw thread groove has been seted up to the central point of well fastening latch (122), side electronic tight position screw rod (131) are inlayed to the inside of side connection latch, side electronic tight position screw rod (131) with well fastening latch between side fastening screw thread groove and the same specification (122) are rotated each other.