Precise needle holder for plastic surgery

Abstract

The invention relates to the technical field of beauty injection needle holders, in particular to a precise needle holder for plastic surgery, which comprises a fixed base and a vertical mounting sleeve, the vertical mounting sleeve is fixedly mounted on the fixed base, a lifting adjusting column is slidably mounted in the vertical mounting sleeve, a lifting driving assembly is mounted in a vertical mounting groove, and the lifting driving assembly is slidably mounted in the vertical mounting sleeve. The lifting adjusting column is fixedly connected with the lifting driving assembly, a rotating connector is installed on the top of the lifting adjusting column and fixedly connected with an output shaft of a built-in motor of the lifting adjusting column, a push-pull driving assembly is installed in the transverse limiting sliding groove, and a detachable clamping driving assembly is installed in the longitudinal installing groove. A pair of needle holding forceps is mounted on the detachable clamping driving assembly, and a positioning connecting assembly is mounted on the needle holding forceps; the needle holding forceps can be independently taken down from the whole device, the use modes are more diversified, meanwhile, the problem that a beauty needle is not stable enough in a manual handheld mode can be avoided, and the use height and the use angle of the needle holding forceps can be adjusted.

Description

Technical Field

[0001] The invention specifically relates to a precision needle holder for plastic surgery, belonging to the technical field of needle holders for cosmetic injections. Background Art

[0002] The cosmetic needle holder is a special instrument used to clamp the suture needle in plastic surgery. Its design makes the operation more accurate and convenient, and also helps to reduce the damage to the surgical site and accelerate the patient's recovery process. The precision needle holder for plastic surgery is an indispensable and important tool in plastic surgery. Its accuracy and reliability are crucial to the success of the operation and the patient's recovery. For example, a Chinese patent with the announcement number CN110403656A discloses a precision needle holder for plastic surgery, including a needle holder body, the needle holder body includes two clamping pieces, the two clamping pieces are cross-arranged, and the two clamping pieces are rotatably installed on the side close to each other, a clamping block is fixedly installed on the top of the clamping piece, and the side close to each other of the two clamping blocks is set in a sawtooth shape, an inclined connecting rod is arranged below the clamping piece, the two connecting rods are symmetrically arranged, and the bottom end of the connecting rod is fixedly connected to a grip ring, and a telescopic mechanism and a locking mechanism matched with the telescopic mechanism are arranged on the connecting rod, and the telescopic mechanism includes a first rectangular groove opened on the top of the connecting rod, and a first positioning rod is fixedly connected to the inner wall of the first rectangular groove away from the opening. The invention has reasonable design and convenient operation, and is convenient for adjusting the total length of the needle holder body according to actual needs, so as to achieve the purpose of facilitating surgery for doctors, meet usage requirements, and be easy to use.

[0003] However, the above technical solution needs to be manually held when in use. In the process of clamping, fixing and pushing out the beauty needle, the medical staff are easily affected by themselves and external factors, causing hand shaking. At the same time, relying solely on manual holding to change the height and position of the needle holder and the beauty needle can easily cause the medical staff's arm to be unstable, which will make the precision of plastic surgery low and there are certain disadvantages in the use process.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a precision needle holder for plastic surgery in order to solve the above-mentioned problems. The device has the advantage of avoiding the problem of unstable pushing and pulling of cosmetic needles by hand. At the same time, the needle holder can be removed from the device as a whole, making it more versatile to use. The height and angle of the needle holder can be adjusted, making it more flexible to use.

[0006] The present invention achieves the above-mentioned purpose through the following technical scheme: a precision needle holder for plastic surgery, comprising the fixed base and the vertical mounting sleeve, the vertical mounting sleeve is fixedly mounted on the fixed base, the lifting adjustment column is slidably mounted in the vertical mounting sleeve, a vertical through hole groove is provided on the vertical mounting sleeve, a vertical mounting groove is provided at one end of the vertical through hole groove, the lifting drive assembly is installed in the vertical mounting groove, the lifting adjustment column is fixedly connected to the lifting drive assembly, the rotating connector is installed on the top of the lifting adjustment column, and the rotating connector is connected to the inner of the lifting adjustment column. The motor output shaft is fixedly connected, the transverse mounting block is installed on the rotating connecting head, a transverse limiting groove is provided at the bottom of the transverse mounting block, the push-pull drive assembly is installed in the transverse limiting groove, the longitudinal mounting block is installed on the push-pull drive assembly, the longitudinal mounting block is provided with a longitudinal mounting groove, the detachable clamping drive assembly is installed in the longitudinal mounting groove, the needle holder is installed on the detachable clamping drive assembly, the needle holder is installed on the positioning connecting assembly, and one end of the positioning connecting assembly is fixedly connected to the protruding head installed on the longitudinal mounting block.

[0007] Furthermore, in order to control the driving motor to be turned on so that the vertical threaded rod can be rotated to drive the lifting slider to move up and down in the vertical mounting slot, thereby driving the lifting adjustment column to move up and down through the L-shaped connecting rod, the lifting driving assembly includes the driving motor and the vertical threaded rod, the driving motor is fixed to the inner wall of one end of the vertical mounting slot, the vertical threaded rod is rotatably mounted on the inner wall of the other end of the vertical mounting slot through the first rotating joint, the lifting slider is threadedly mounted on the vertical threaded rod, the lifting slider is slidably engaged in the vertical mounting slot, the L-shaped connecting rod is fixedly mounted on the lifting slider, and one end of the L-shaped connecting rod is fixedly connected to the lifting adjustment column.

[0008] Furthermore, in order to control the servo motor to start, the transverse threaded rod can be rotated in the transverse limiting slot through the second rotating joint, thereby driving the threaded slider to slide in the transverse limiting slot, and the longitudinal mounting block can be driven to move laterally through the extension column, the push-pull drive assembly includes the servo motor and the transverse threaded rod, the servo motor is fixed on the inner wall of one end of the transverse limiting slot, the transverse threaded rod is rotatably installed on the inner wall of the other end of the transverse limiting slot through the second rotating joint, the transverse threaded rod is installed with the threaded slider, the threaded slider is slidably engaged in the transverse limiting slot, the extension column is fixedly installed on the threaded slider, and the longitudinal mounting block is fixed on the extension column.

[0009] Furthermore, in order to control the stepper motor to start, the bidirectional lead screw can be rotated in the longitudinal mounting groove through the third rotating joint, and the two clamping slide blocks can drive the first connecting box and the second connecting box to move closer or farther away through the first vertical connecting rod and the second vertical connecting rod. The detachable clamping drive assembly includes the stepper motor and the bidirectional lead screw, the stepper motor is fixed on the inner wall of one end of the longitudinal mounting groove, the bidirectional lead screw is rotatably mounted on the inner wall of the other end of the longitudinal mounting groove through the third rotating joint, the clamping slide block is threadedly mounted on the bidirectional lead screw, there are two clamping slide blocks, the two clamping slide blocks are respectively located at the reverse thread ends of the bidirectional lead screw, the first vertical connecting rod and the second vertical connecting rod are respectively fixedly mounted on the two clamping slide blocks, and the first vertical connecting rod and the second vertical connecting rod are respectively fixedly mounted on the first vertical connecting rod and the second vertical connecting rod.

[0010] Furthermore, in order to control the lifting head so that the positioning pin rod can slide in the yielding through hole and at the same time reset the positioning pin rod under the action of the clamping spring, the first connecting plug-in box and the second connecting plug-in box are both fixedly mounted with the L-shaped mounting plate on one end, the positioning pin rod is slidably mounted on one end of the L-shaped mounting plate, one end of the positioning pin rod is inserted into the yielding through hole opened on the first connecting plug-in box and the second connecting plug-in box, the lifting head is fixedly mounted on the other end of the positioning pin rod, the annular gasket is fixedly mounted on the positioning pin rod, and the annular gasket is elastically connected to the L-shaped mounting plate through the clamping spring.

[0011] Furthermore, in order to enable the first rotating clamping part and the second rotating clamping part to rotate relative to each other through the hinge axis, the needle holding forceps include the first rotating clamping part, the second rotating clamping part, the first embedded connecting block and the second embedded connecting block, the first rotating clamping part and the second rotating clamping part are rotatably connected through the hinge axis, and the first embedded connecting block and the second embedded connecting block are rotatably installed on one end of the first rotating clamping part and the second rotating clamping part respectively through the hinge seat.

[0012] Furthermore, in order to enable the positioning pin rod to pass through the make way through the through hole and be inserted into the positioning pin hole, the first embedded connection block and the second embedded connection block are respectively inserted into the first connection plug-in box and the second connection plug-in box, and the first embedded connection block and the second embedded connection block are both provided with positioning pin holes, and the positioning pin holes vertically correspond to the make way through hole.

[0013] Furthermore, in order to control the telescopic push rod, the connecting suction cup can be driven to be fixedly adsorbed on the protruding head through the U-shaped connecting rod, and the connecting suction cup can be removed from the protruding head at the same time, the positioning connection assembly includes the vertical top rod, the vertical top rod is fixed on the hinge shaft, the telescopic push rod is fixedly installed on the top of the vertical top rod, the U-shaped connecting rod is fixedly installed on the output end of the telescopic push rod, the connecting suction cup is fixedly installed on one end of the U-shaped connecting rod, and the connecting suction cup is adsorbed on the protruding head.

[0014] The technical effects and advantages of the present invention are as follows: through the detachable clamping drive component and the pushing and pulling drive component, the needle holder can clamp and fix the beauty needle, and can automatically push and pull the beauty needle, avoiding the problem of unstable pushing and pulling of the beauty needle by hand, and the needle holder can also be removed separately from the device as a whole, and the usage method is more diverse; and by controlling the lifting drive component and the rotating connector, the use height and use angle of the needle holder can be adjusted, which is more flexible to use and can meet different usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a bottom view structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the lifting drive assembly of the present invention; Figure 4 It is a schematic diagram of the installation structure of the push-pull drive assembly of the present invention; Figure 5 It is a schematic diagram of the installation structure of the protruding head of the present invention; Figure 6 It is a structural schematic diagram of the detachable clamping drive assembly of the present invention; Figure 7 It is a schematic diagram of the installation structure of the positioning pin rod of the present invention; Figure 8 It is a structural schematic diagram of the needle holding forceps and the positioning connection assembly of the present invention; In the figure: 1, fixed base; 2, vertical mounting sleeve; 3, lifting adjustment column; 4, lifting drive assembly; 401, driving motor; 402, vertical threaded rod; 403, first rotating joint; 404, lifting slider; 405, L-shaped connecting rod; 5, rotating connector; 6, horizontal mounting bar; 7, push-pull drive assembly; 701, servo motor; 702, horizontal threaded rod; 703, second rotating joint; 704, threaded slider; 705, extension column; 8, longitudinal mounting bar; 9, detachable clamping drive assembly; 901, stepping motor; 902, bidirectional lead screw; 903, third rotating joint; 904, clamping slider; 905, The first vertical connecting rod; 906, the second vertical connecting rod; 907, the first connecting plug-in box; 908, the second connecting plug-in box; 909, the L-shaped mounting plate; 910, the positioning pin rod; 911, the lifting head; 912, the annular gasket; 913, the tightening spring; 10, the needle holding forceps; 1001, the first rotating clamping part; 1002, the second rotating clamping part; 1003, the first embedded connecting block; 1004, the second embedded connecting block; 1005, the hinge shaft; 1006, the hinge seat; 11, the positioning connecting assembly; 1101, the vertical top rod; 1102, the telescopic push rod; 1103, the U-shaped connecting rod; 1104, the connecting suction cup; 12, the protruding head. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 8As shown, a precision needle holder for plastic surgery comprises a fixed base 1 and a vertical mounting sleeve 2, the vertical mounting sleeve 2 is fixedly mounted on the fixed base 1, a lifting and adjusting column 3 is slidably mounted in the vertical mounting sleeve 2, a vertical through hole groove is provided on the vertical mounting sleeve 2, a vertical mounting groove is provided at one end of the vertical through hole groove, a lifting drive assembly 4 is installed in the vertical mounting groove, the lifting and adjusting column 3 is fixedly connected to the lifting and adjusting drive assembly 4, when in use, the lifting and driving assembly 4 is controlled to drive the lifting and adjusting column 3 to slide up and down in the vertical mounting sleeve 2, so as to adjust the height of the needle holder 10, a rotating connector 5 is installed on the top of the lifting and adjusting column 3, the rotating connector 5 is fixedly connected to the output shaft of the built-in motor of the lifting and adjusting column 3, the built-in motor of the lifting and adjusting column 3 is controlled to be turned on, so as to drive the horizontal mounting strip 6 to rotate, so as to adjust the angle of the needle holder 10, the rotating connector 5 is installed with the horizontal mounting strip 6, the horizontal mounting A transverse limiting groove is provided at the bottom of the bar 6, and a pushing and pulling drive component 7 is installed in the transverse limiting groove. The pushing and pulling drive component 7 is controlled so that after the needle holder 10 clamps the beauty needle, the pushing and pulling function of the beauty needle is realized. A longitudinal mounting bar 8 is installed on the pushing and pulling drive component 7, and a longitudinal mounting groove is provided on the longitudinal mounting bar 8. A detachable clamping drive component 9 is installed in the longitudinal mounting groove. The needle holder 10 is installed on the detachable clamping drive component 9. The detachable clamping component is controlled so that the needle holder 10 clamps the beauty needle. At the same time, it is convenient to remove the needle holder 10 separately and can be used handheld. It is more flexible and has more diverse usage methods. A positioning connection component 11 is installed on the needle holder 10. One end of the positioning connection component 11 is fixedly connected to a protruding head 12 installed on the longitudinal mounting bar 8 to facilitate positioning of the needle holder 10, so that the needle holder 10 is more stable during use.

[0018] The detachable clamping drive assembly 9 includes a stepper motor 901 and a bidirectional lead screw 902. The stepper motor 901 is fixed to the inner wall of one end of the longitudinal mounting groove. The bidirectional lead screw 902 is rotatably mounted on the inner wall of the other end of the longitudinal mounting groove through a third rotating joint 903. A clamping slider 904 is threadedly mounted on the bidirectional lead screw 902. There are two clamping sliders 904. The two clamping sliders 904 are respectively located at the reverse thread ends of the bidirectional lead screw 902. The two clamping sliders 904 are respectively fixed with a first vertical connecting rod 905 and a second vertical connecting rod 906. The first connecting rod 906, the first vertical connecting rod 905 and the second vertical connecting rod 906 are respectively fixedly mounted with the first connecting plug box 907 and the second connecting plug box 908. When in use, the stepping motor 901 is controlled to start, so that the bidirectional lead screw 902 rotates in the longitudinal installation groove through the third rotating joint 903, driving the two clamping slide blocks 904 to slide in opposite directions in the longitudinal installation groove, thereby driving the first connecting plug and the second connecting plug box 908 to move closer or farther away through the first vertical connecting rod 905 and the second vertical connecting rod 906;The needle holder 10 comprises a first rotating clamping portion 1001, a second rotating clamping portion 1002, a first embedded connecting block 1003 and a second embedded connecting block 1004. The first rotating clamping portion 1001 and the second rotating clamping portion 1002 are rotatably connected via a hinge shaft 1005. The first embedded connecting block 1003 and the second embedded connecting block 1004 are rotatably mounted on one end of the first rotating clamping portion 1001 and the second rotating clamping portion 1002 respectively via a hinge seat 1006. The first embedded connecting block 1003 and the second embedded connecting block 1004 are respectively plugged into the first connecting plug box 9. In the second connection plug-in box 907 and the second connection plug-in box 908, the first embedded connection block 1003 and the second embedded connection block 1004 are both provided with positioning pin holes, and the positioning pin holes correspond vertically to the clearance holes. An L-shaped mounting plate 909 is fixedly installed on one end of the first connection plug-in box 907 and the second connection plug-in box 908, and a positioning pin rod 910 is slidably installed on one end of the L-shaped mounting plate 909. One end of the positioning pin rod 910 is inserted into the clearance holes provided on the first connection plug-in box 907 and the second connection plug-in box 908, and the other end of the positioning pin rod 910 is fixedly installed with a lifting head 911. The annular gasket 912 is fixedly installed, and the annular gasket 912 is elastically connected to the L-shaped mounting plate 909 through the tightening spring 913. When in use, the first embedded connection block 1003 and the second embedded connection block 1004 are inserted into the first connection plug-in box 907 and the second connection plug-in box 908, and under the action of the tightening spring 913, the annular gasket 912 drives the positioning pin rod 910 to pass through the yielding through hole and be fixedly inserted in the positioning pin hole, so that the first rotating clamping part 1001 and the second rotating clamping part 1002 are connected to the first connection plug-in box 907 and the second connection plug-in box 908. 08 fixed connection, when controlling the distance between the first connection plug box 907 and the second connection plug box 908, the hinge seat 1006 makes one end of the first rotating clamping part 1001 and the second rotating clamping part 1002 approach or move away, so as to realize the clamping function of the beauty needle, and when in use, the first embedded connection block 1003 and the second embedded connection block 1004 can be taken out from the first connection plug box 907 and the second connection plug box 908, so that the first rotating clamping part 1001 and the second rotating clamping part 1002 can be handheld for use, and the use is more flexible and diverse. ;

[0019] A telescopic push rod 1102 is fixedly installed on the top of the vertical push rod 1101, and a U-shaped connecting rod 1103 is fixedly installed on the output end of the telescopic push rod 1102. A connecting suction cup 1104 is fixedly installed on one end of the U-shaped connecting rod 1103, and the connecting suction cup 1104 is adsorbed on the protruding head 12. When in use, the telescopic push rod 1102 is controlled to extend and retract, so that the U-shaped connecting rod 1103 drives the connecting suction cup 1104 to rise and fall, so as to facilitate the fixing and separation of the connecting suction cup 1104 on the protruding head 12. At the same time, when the needle holder 10 is used alone, the connecting suction cup 1104 can be fixedly adsorbed on the arm of the medical staff, which effectively improves the stability of the needle holder 10 during use.

[0020] The lifting drive assembly 4 includes a driving motor 401 and a vertical threaded rod 402. The driving motor 401 is fixed on the inner wall of one end of the vertical mounting groove. The vertical threaded rod 402 is rotatably mounted on the inner wall of the other end of the vertical mounting groove through a first rotating joint 403. A lifting slider 404 is threadedly mounted on the vertical threaded rod 402. The lifting slider 404 is slidably clamped in the vertical mounting groove. An L-shaped connecting rod 405 is fixedly mounted on the lifting slider 404. One end of the L-shaped connecting rod 405 is fixedly connected to the lifting adjustment column 3. When in use, the driving motor 401 is controlled to be turned on, so that the vertical threaded rod 402 rotates in the vertical mounting groove through the first rotating joint 403, driving the lifting slider 404 to move up and down in the vertical mounting groove, and driving the lifting adjustment column 3 to slide up and down in the vertical mounting sleeve 2 through the L-shaped connecting rod 405, so as to adjust the height of the needle holder 10.

[0021] The push-pull drive assembly 7 includes a servo motor 701 and a transverse threaded rod 702. The servo motor 701 is fixed on the inner wall of one end of the transverse limiting slot. The transverse threaded rod 702 is rotatably installed on the inner wall of the other end of the transverse limiting slot through a second rotating joint 703. A threaded slider 704 is installed on the transverse threaded rod 702. The threaded slider 704 is slidably engaged in the transverse limiting slot. An extension column 705 is fixedly installed on the threaded slider 704. The longitudinal mounting strip 8 is fixed on the extension column 705. When in use, the servo motor 701 is controlled to be turned on, so that the transverse threaded rod 702 rotates in the transverse limiting slot through the second rotating joint 703, driving the threaded slider 704 to slide in the transverse limiting slot, thereby driving the longitudinal mounting strip 8 to move through the extension column 705, so as to facilitate the transverse movement of the needle holder 10 to achieve the plugging and pulling effect of the beauty needle.

[0022] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A precision needle holder for plastic surgery, comprising a fixed base (1) and a vertically mounted sleeve (2), wherein the vertically mounted sleeve (2) is fixedly mounted on the fixed base (1), characterized in that: A lifting adjustment column (3) is slidably mounted in the vertical mounting sleeve (2); a vertical through hole groove is provided on the vertical mounting sleeve (2); a vertical mounting groove is provided at one end of the vertical through hole groove; a lifting drive assembly (4) is mounted in the vertical mounting groove; the lifting adjustment column (3) is fixedly connected to the lifting drive assembly (4); a rotating connector (5) is mounted on the top of the lifting adjustment column (3); the rotating connector (5) is fixedly connected to the output shaft of the built-in motor of the lifting adjustment column (3); a transverse mounting strip (6) is mounted on the rotating connector (5); the transverse mounting strip (6) is A transverse limiting groove is provided at the bottom of the block (6), a push-pull drive assembly (7) is installed in the transverse limiting groove, a longitudinal mounting strip (8) is installed on the push-pull drive assembly (7), a longitudinal mounting groove is provided on the longitudinal mounting strip (8), a detachable clamping drive assembly (9) is installed in the longitudinal mounting groove, a needle holding forceps (10) is installed on the detachable clamping drive assembly (9), a positioning connection assembly (11) is installed on the needle holding forceps (10), and one end of the positioning connection assembly (11) is fixedly connected to a protruding head (12) installed on the longitudinal mounting strip (8).

2. The precision needle holder for plastic surgery as claimed in claim 1, characterized in that: The lifting drive assembly (4) comprises a driving motor (401) and a vertical threaded rod (402); the driving motor (401) is fixed to the inner wall of one end of the vertical installation groove; the vertical threaded rod (402) is rotatably mounted on the inner wall of the other end of the vertical installation groove via a first rotating joint (403); a lifting slider (404) is threadedly mounted on the vertical threaded rod (402); the lifting slider (404) is slidably engaged in the vertical installation groove; an L-shaped connecting rod (405) is fixedly mounted on the lifting slider (404); one end of the L-shaped connecting rod (405) is fixedly connected to the lifting adjustment column (3).

3. The precision needle holder for plastic surgery as claimed in claim 1, characterized in that: The push-pull drive assembly (7) comprises a servo motor (701) and a transverse threaded rod (702), wherein the servo motor (701) is fixed to the inner wall at one end of the transverse limit slide groove, and the transverse threaded rod (702) is rotatably mounted on the inner wall at the other end of the transverse limit slide groove via a second rotating joint (703), and a threaded slider (704) is mounted on the transverse threaded rod (702), and the threaded slider (704) is slidably engaged in the transverse limit slide groove, and an extension column (705) is fixedly mounted on the threaded slider (704), and the longitudinal mounting strip (8) is fixed on the extension column (705).

4. The precision needle holder for plastic surgery as claimed in claim 1, characterized in that: The detachable clamping drive assembly (9) comprises a stepping motor (901) and a bidirectional lead screw (902), wherein the stepping motor (901) is fixed on the inner wall at one end of the longitudinal mounting groove, and the bidirectional lead screw (902) is rotatably mounted on the inner wall at the other end of the longitudinal mounting groove via a third rotating joint (903). A clamping slider (904) is threadedly mounted on the bidirectional lead screw (902), and the number of the clamping sliders (904) is two, and the two clamping sliders (904) are respectively located at the reverse thread ends of the bidirectional lead screw (902), and a first vertical connecting rod (905) and a second vertical connecting rod (906) are respectively fixedly mounted on the two clamping sliders (904), and a first connecting plug-in box (907) and a second connecting plug-in box (908) are respectively fixedly mounted on the first vertical connecting rod (905) and the second vertical connecting rod (906).

5. The precision needle holder for plastic surgery as claimed in claim 4, characterized in that: An L-shaped mounting plate (909) is fixedly mounted on one end of the first connecting plug box (907) and the second connecting plug box (908); a positioning pin rod (910) is slidably mounted on one end of the L-shaped mounting plate (909); one end of the positioning pin rod (910) is inserted into a clearance through hole provided on the first connecting plug box (907) and the second connecting plug box (908); a lifting head (911) is fixedly mounted on the other end of the positioning pin rod (910); an annular gasket (912) is fixedly mounted on the positioning pin rod (910); and the annular gasket (912) is elastically connected to the L-shaped mounting plate (909) via a clamping spring (913).

6. The precision needle holder for plastic surgery as claimed in claim 5, characterized in that: The needle holding forceps (10) include a first rotating clamping part (1001), a second rotating clamping part (1002), a first embedded connecting block (1003) and a second embedded connecting block (1004); the first rotating clamping part (1001) and the second rotating clamping part (1002) are rotatably connected via a hinge shaft (1005); the first embedded connecting block (1003) and the second embedded connecting block (1004) are rotatably mounted on one end of the first rotating clamping part (1001) and the second rotating clamping part (1002) respectively via a hinge seat (1006).

7. The precision needle holder for plastic surgery as claimed in claim 6, characterized in that: The first embedded connection block (1003) and the second embedded connection block (1004) are respectively plugged into the first connection plug-in box (907) and the second connection plug-in box (908), and positioning pin holes are provided on the first embedded connection block (1003) and the second embedded connection block (1004), and the positioning pin holes correspond vertically to the clearance through holes.

8. The precision needle holder for plastic surgery as claimed in claim 6, characterized in that: The positioning connection assembly (11) comprises a vertical top rod (1101), the vertical top rod (1101) is fixed on the hinge shaft (1005), a telescopic push rod (1102) is fixedly installed on the top of the vertical top rod (1101), a U-shaped connecting rod (1103) is fixedly installed on the output end of the telescopic push rod (1102), and a connecting suction cup (1104) is fixedly installed on one end of the U-shaped connecting rod (1103), and the connecting suction cup (1104) is adsorbed on the protruding head (12).

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